mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-26 12:05:36 +01:00
4547 lines
130 KiB
C++
Executable File
4547 lines
130 KiB
C++
Executable File
/*
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* Copyright (c) 2013-14 Mikko Mononen memon@inside.org
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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*
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* The SVG parser is based on Anti-Grain Geometry 2.4 SVG example
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* Copyright (C) 2002-2004 Maxim Shemanarev (McSeem) (http://www.antigrain.com/)
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*
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* Arc calculation code based on canvg (https://code.google.com/p/canvg/)
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*
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* Bounding box calculation based on http://blog.hackers-cafe.net/2009/06/how-to-calculate-bezier-curves-bounding.html
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*
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*/
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// NanoSVG is a simple stupid single-header-file SVG parse. The output of the parser is a list of cubic bezier shapes.
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//
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// The library suits well for anything from rendering scalable icons in your editor application to prototyping a game.
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//
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// NanoSVG supports a wide range of SVG features, but something may be missing, feel free to create a pull request!
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//
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#include "nanosvg.h"
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#include "FloatLib.h"
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#include "../Platform/b64cdecode.h"
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#include "XImage.h"
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#include "../refit/lib.h"
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#include "../libeg/XTheme.h"
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//#include "../include/OneLinerMacros.h"
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#include "../Platform/Utils.h"
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#include "BmLib.h"
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#ifndef DEBUG_ALL
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#define DEBUG_SVG 0
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#else
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#define DEBUG_SVG DEBUG_ALL
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#endif
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#if DEBUG_SVG == 0
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#define DBG(...)
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#else
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#define DBG(...) DebugLog(DEBUG_SVG, __VA_ARGS__)
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#endif
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//typedef UINTN size_t;
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#define NSVG_PI (3.14159265358979323846264338327f)
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#define NSVG_PI_DEG (0.01745329251994f)
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#define NSVG_KAPPA90 (0.5522847493f) // Length proportional to radius of a cubic bezier handle for 90deg arcs.
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#define pow(x,n) PowF(x,n)
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#define sqrt(x) SqrtF(x)
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#define sqrtf(x) SqrtF(x)
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#define sinf(x) SinF(x)
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#define cosf(x) CosF(x)
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#define tanf(x) TanF(x)
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#define ceilf(x) CeilF(x)
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#define floorf(x) FloorF(x)
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#define acosf(x) AcosF(x)
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#define atan2f(y,x) Atan2F(y,x)
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#define fabsf(x) FabsF(x)
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//#define sscanf(s,f,x) AsciiStrToFloat(s, NULL, x)
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#define fabs(x) ((x > 0.0)?x:(-x))
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//#define fabsf(x) ((x > 0.0f)?x:(-x))
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#define NSVG_ALIGN_MIN 0
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#define NSVG_ALIGN_MID 1
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#define NSVG_ALIGN_MAX 2
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#define NSVG_ALIGN_NONE 0
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#define NSVG_ALIGN_MEET 1
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#define NSVG_ALIGN_SLICE 2
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#define NSVG_NOTUSED(v) do { (void)(1 ? (void)0 : ( (void)(v) ) ); } while(0)
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#define NSVG_RGB(r, g, b) (((unsigned int)b) | ((unsigned int)g << 8) | ((unsigned int)r << 16))
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#ifdef _MSC_VER
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#pragma warning (disable: 4996) // Switch off security warnings
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#pragma warning (disable: 4100) // Switch off unreferenced formal parameter warnings
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#ifdef __cplusplus
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#define NSVG_INLINE inline
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#else
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#define NSVG_INLINE
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#endif
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#else
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#define NSVG_INLINE inline
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#endif
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//TODO there are anime properties should be properties of FilmC
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//which is not accessible here
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UINTN NumFrames;
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UINTN FrameTime;
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int nsvg__shapesBound(NSVGshape *shapes, float* bounds);
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void takeXformBounds(NSVGshape *shape, float *xform, float *bounds);
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void nsvg__deleteShapes(NSVGshape* shape);
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void DumpFloat2 (CONST char* s, float* t, int N)
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{
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#if DEBUG_SVG
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int i;
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DBG("%s: ", s);
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for(i=0; i<N;i++)
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{
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float a = t[i];
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int b = (int)a;
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int sign = (a < 0.f);
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DBG("%c%d.%06d ", ((b == 0) && sign)?'-':' ', b, (int)(fabsf((a-(float)b)*1.0e6f)));
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}
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DBG("\n");
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#else
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(void)s;
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(void)t;
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(void)N;
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#endif
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}
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static int getIntegerDict(const char* s)
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{
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if ((s[1] == 'x') || (s[1] == 'X')) {
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return (int)AsciiStrHexToUintn (s);
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} else if (IS_DIGIT(s[0])) {
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return (int)AsciiStrDecimalToUintn(s);
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}
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return 0xFFFF;
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}
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float nsvg__sqr(float x) { return x*x; }
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float nsvg__vmag(float x, float y) { return sqrtf(x*x + y*y); }
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static float nsvg__vecrat(float ux, float uy, float vx, float vy)
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{
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return (ux*vx + uy*vy) / (nsvg__vmag(ux,uy) * nsvg__vmag(vx,vy));
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}
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static float nsvg__vecang(float ux, float uy, float vx, float vy)
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{
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float r = nsvg__vecrat(ux,uy, vx,vy);
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if (r < -1.0f) r = -1.0f;
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if (r > 1.0f) r = 1.0f;
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return ((ux*vy < uy*vx) ? -1.0f : 1.0f) * acosf(r);
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}
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static char *nsvg__strndup(const char *s, size_t n);
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// Calculate number of characters.
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static int nsvg__strchr(const char *s, char c)
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{
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int n = 0;
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while (*s != 0) {
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if (*s++ == c) {
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n++;
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}
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}
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return n;
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}
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static int nsvg__isspace(char c)
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{
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return nsvg__strchr(" \t\n\v\f\r", c) != 0;
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}
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static int nsvg__isdigit(char c)
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{
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return c >= '0' && c <= '9';
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}
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/*
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static int nsvg__isnum(char c)
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{
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return nsvg__strchr("0123456789+-.eE", c) != 0; //SIC!
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}
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*/
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static NSVG_INLINE float nsvg__minf(float a, float b) { return a < b ? a : b; }
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static NSVG_INLINE float nsvg__maxf(float a, float b) { return a > b ? a : b; }
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// Simple XML parser
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#define NSVG_XML_TAG 1
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#define NSVG_XML_CONTENT 2
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#define NSVG_XML_MAX_ATTRIBS 256
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static void nsvg__parseContent(char* s,
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void (*contentCb)(void* ud, char* s),
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void* ud)
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{
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// Trim start white spaces
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while (*s && nsvg__isspace(*s)) s++;
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if (!*s) return;
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if (contentCb)
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(*contentCb)(ud, s);
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}
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static void nsvg__parseElement(char* s,
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void (*startelCb)(void* ud, const char* el, char** attr),
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void (*endelCb)(void* ud, const char* el),
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void* ud)
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{
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char* attr[NSVG_XML_MAX_ATTRIBS];
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int nattr = 0;
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char* tagname;
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int start = 0;
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int end = 0;
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char quote;
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// Skip white space after the '<'
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while (*s && nsvg__isspace(*s)) s++;
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// Check if the tag is end tag
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if (*s == '/') {
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s++;
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end = 1;
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} else {
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start = 1;
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}
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// Skip comments, data and preprocessor stuff.
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if (!*s || *s == '?' || *s == '!')
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return;
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// Get tag name
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tagname = s;
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while (*s && !nsvg__isspace(*s)) s++;
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if (*s) { *s++ = '\0'; }
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// Get attribs
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while (!end && *s && nattr < NSVG_XML_MAX_ATTRIBS-3) {
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char* name = NULL;
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char* value = NULL;
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// Skip white space before the attrib name
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while (*s && nsvg__isspace(*s)) s++;
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if (!*s) break;
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if (*s == '/') {
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end = 1;
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break;
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}
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name = s;
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// Find end of the attrib name.
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while (*s && !nsvg__isspace(*s) && *s != '=') s++;
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if (*s) {
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*s++ = '\0';
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// DBG("attrib name %s\n", name);
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}
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// Skip until the beginning of the value.
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while (*s && *s != '\"' && *s != '\'') s++;
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if (!*s) break;
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quote = *s;
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s++;
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// Store value and find the end of it.
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value = s;
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while (*s && *s != quote) s++;
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if (*s) {
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*s++ = '\0';
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// DBG("value:%s\n", value);
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}
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// Store only well formed attributes
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if (name && value) {
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attr[nattr++] = name; //class
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attr[nattr++] = value; //Master_Slide
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// DBG("attrib %d: name %s value %s\n", nattr, name, value);
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}
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}
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// List terminator
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attr[nattr++] = 0;
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attr[nattr++] = 0;
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// Call callbacks.
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if (start && startelCb) {
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(*startelCb)(ud, tagname, attr); //nsvg__startElement
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}
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if (end && endelCb) {
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(*endelCb)(ud, tagname); //nsvg__endElement
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}
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// DBG("parseElement %s ended\n", tagname);
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}
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void nsvg__parseXML(char* input,
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void (*startelCb)(void* ud, const char* el, char** attr),
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void (*endelCb)(void* ud, const char* el),
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void (*contentCb)(void* ud, char* s),
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void* ud)
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{
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char* s = input;
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char* mark = s;
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int state = NSVG_XML_CONTENT;
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while (*s) {
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if (*s == '<' && state == NSVG_XML_CONTENT) {
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// skip cdata
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if (strncmp(s, "<![CDATA[", 9) == 0) {
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s += 9;
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char* rv = strstr(s, "]]>");
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if (rv) s = rv + 3;
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continue;
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}
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// Start of a tag
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*s++ = '\0';
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nsvg__parseContent(mark, contentCb, ud);
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// DBG("tag content %s parsed\n", mark);
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mark = s;
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state = NSVG_XML_TAG;
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} else if (*s == '>' && state == NSVG_XML_TAG) {
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// Start of a content or new tag.
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*s++ = '\0';
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// nsvg__parseContent(mark, contentCb, ud);
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// DBG("nsvg__parseElement %s\n", mark);
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nsvg__parseElement(mark, startelCb, endelCb, ud);
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// DBG(" element %s parsed\n", mark);
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mark = s;
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state = NSVG_XML_CONTENT;
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} else {
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s++;
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}
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}
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return;
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}
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/* Simple SVG parser. */
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void nsvg__xformIdentity(float* t)
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{
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t[0] = 1.0f; t[1] = 0.0f;
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t[2] = 0.0f; t[3] = 1.0f;
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t[4] = 0.0f; t[5] = 0.0f;
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}
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static void nsvg__xformSetTranslation(float* t, float tx, float ty)
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{
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t[0] = 1.0f; t[1] = 0.0f;
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t[2] = 0.0f; t[3] = 1.0f;
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t[4] = tx; t[5] = ty;
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}
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void nsvg__xformSetScale(float* t, float sx, float sy)
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{
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t[0] = sx; t[1] = 0.0f;
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t[2] = 0.0f; t[3] = sy;
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t[4] = 0.0f; t[5] = 0.0f;
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}
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static void nsvg__xformSetSkewX(float* t, float a)
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{
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t[0] = 1.0f; t[1] = 0.0f;
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t[2] = tanf(a); t[3] = 1.0f;
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t[4] = 0.0f; t[5] = 0.0f;
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}
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static void nsvg__xformSetSkewY(float* t, float a)
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{
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t[0] = 1.0f; t[1] = tanf(a);
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t[2] = 0.0f; t[3] = 1.0f;
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t[4] = 0.0f; t[5] = 0.0f;
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}
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static void nsvg__xformSetRotation(float* t, float a)
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{
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float cs = cosf(a), sn = sinf(a);
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t[0] = cs; t[1] = sn;
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t[2] = -sn; t[3] = cs;
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t[4] = 0.0f; t[5] = 0.0f;
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}
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void nsvg__xformMultiply(float* t, float* s)
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{
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float t0 = t[0] * s[0] + t[1] * s[2];
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float t2 = t[2] * s[0] + t[3] * s[2];
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float t4 = t[4] * s[0] + t[5] * s[2] + s[4];
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t[1] = t[0] * s[1] + t[1] * s[3];
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t[3] = t[2] * s[1] + t[3] * s[3];
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t[5] = t[4] * s[1] + t[5] * s[3] + s[5];
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t[0] = t0;
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t[2] = t2;
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t[4] = t4;
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}
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void nsvg__xformInverse(float* inv, float* t)
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{
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double invdet, det = (double)t[0] * t[3] - (double)t[2] * t[1];
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if (det > -1e-6 && det < 1e-6) {
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nsvg__xformIdentity(inv);
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return;
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}
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invdet = 1.0 / det;
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inv[0] = (float)(t[3] * invdet);
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inv[2] = (float)(-t[2] * invdet);
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inv[4] = (float)(((double)t[2] * t[5] - (double)t[3] * t[4]) * invdet);
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inv[1] = (float)(-t[1] * invdet);
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inv[3] = (float)(t[0] * invdet);
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inv[5] = (float)(((double)t[1] * t[4] - (double)t[0] * t[5]) * invdet);
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}
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void nsvg__xformPremultiply(float* t, float* s)
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{
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float s2[6];
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memcpy(s2, s, sizeof(float)*6);
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nsvg__xformMultiply(s2, t);
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memcpy(t, s2, sizeof(float)*6);
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}
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static void nsvg__xformPoint(float* dx, float* dy, float x, float y, float* t)
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{
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*dx = x*t[0] + y*t[2] + t[4];
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*dy = x*t[1] + y*t[3] + t[5];
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}
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static void nsvg__xformVec(float* dx, float* dy, float x, float y, float* t)
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{
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*dx = x*t[0] + y*t[2];
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*dy = x*t[1] + y*t[3];
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}
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#define NSVG_EPSILON (1e-12)
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static int nsvg__ptInBounds(float* pt, float* bounds)
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{
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return pt[0] >= bounds[0] && pt[0] <= bounds[2] && pt[1] >= bounds[1] && pt[1] <= bounds[3];
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}
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static double nsvg__evalBezier(double t, double p0, double p1, double p2, double p3)
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{
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double it = 1.0-t;
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return it*it*it*p0 + 3.0*it*it*t*p1 + 3.0*it*t*t*p2 + t*t*t*p3;
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}
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static void nsvg__curveBounds(float* bounds, float* curve)
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{
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double roots[2], a, b, c, b2ac, t, v;
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float* v0 = &curve[0];
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float* v1 = &curve[2];
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float* v2 = &curve[4];
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float* v3 = &curve[6];
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// Start the bounding box by end points
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bounds[0] = nsvg__minf(v0[0], v3[0]);
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bounds[1] = nsvg__minf(v0[1], v3[1]);
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bounds[2] = nsvg__maxf(v0[0], v3[0]);
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bounds[3] = nsvg__maxf(v0[1], v3[1]);
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// Bezier curve fits inside the convex hull of it's control points.
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// If control points are inside the bounds, we're done.
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if (nsvg__ptInBounds(v1, bounds) && nsvg__ptInBounds(v2, bounds))
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return;
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// Add bezier curve inflection points in X and Y.
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for (int i = 0; i < 2; i++) {
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a = -3.0f * v0[i] + 9.0f * v1[i] - 9.0f * v2[i] + 3.0f * v3[i];
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b = 6.0f * v0[i] - 12.0f * v1[i] + 6.0f * v2[i];
|
|
c = 3.0f * v1[i] - 3.0f * v0[i];
|
|
int count = 0;
|
|
if (fabs(a) < NSVG_EPSILON) {
|
|
if (fabs(b) > NSVG_EPSILON) {
|
|
t = -c / b;
|
|
if (t > NSVG_EPSILON && t < 1.0f-NSVG_EPSILON)
|
|
roots[count++] = t;
|
|
}
|
|
} else {
|
|
b2ac = b*b - 4.0f*c*a;
|
|
if (b2ac > NSVG_EPSILON) {
|
|
t = (-b + (double)sqrtf((float)b2ac)) / (2.0 * a);
|
|
if (t > NSVG_EPSILON && t < 1.0-NSVG_EPSILON) roots[count++] = t;
|
|
t = (-b - (double)sqrtf((float)b2ac)) / (2.0 * a);
|
|
if (t > NSVG_EPSILON && t < 1.0-NSVG_EPSILON) roots[count++] = t;
|
|
}
|
|
}
|
|
for (int j = 0; j < count; j++) {
|
|
v = nsvg__evalBezier(roots[j], v0[i], v1[i], v2[i], v3[i]);
|
|
bounds[0+i] = nsvg__minf(bounds[0+i], (float)v);
|
|
bounds[2+i] = nsvg__maxf(bounds[2+i], (float)v);
|
|
}
|
|
}
|
|
}
|
|
|
|
NSVGparser* nsvg__createParser()
|
|
{
|
|
NSVGparser* p;
|
|
p = (NSVGparser*)AllocateZeroPool(sizeof(NSVGparser));
|
|
if (p == NULL) return NULL;
|
|
|
|
p->image = (NSVGimage*)AllocateZeroPool(sizeof(NSVGimage));
|
|
if (p->image == NULL) {
|
|
FreePool(p);
|
|
return NULL;
|
|
}
|
|
// Init style
|
|
nsvg__xformIdentity(p->attr[0].xform);
|
|
memset(p->attr[0].id, 0, kMaxIDLength);
|
|
p->attr[0].fillColor = NSVG_RGB(0,0,0);
|
|
p->attr[0].strokeColor = NSVG_RGB(0,0,0);
|
|
p->attr[0].opacity = 1.f;
|
|
p->attr[0].fillOpacity = 1.f;
|
|
p->attr[0].strokeOpacity = 1.f;
|
|
p->attr[0].stopOpacity = 1.f;
|
|
p->attr[0].strokeWidth = 1.f;
|
|
p->attr[0].strokeLineJoin = NSVG_JOIN_MITER;
|
|
p->attr[0].strokeLineCap = NSVG_CAP_BUTT;
|
|
p->attr[0].miterLimit = 4;
|
|
p->attr[0].fillRule = NSVG_FILLRULE_NONZERO;
|
|
p->attr[0].hasFill = 1;
|
|
p->attr[0].visible = NSVG_VIS_DISPLAY | NSVG_VIS_VISIBLE;
|
|
p->isText = false;
|
|
|
|
return p;
|
|
}
|
|
|
|
static void nsvg__deleteStyles(NSVGstyles* style)
|
|
{
|
|
while (style) {
|
|
NSVGstyles *next = style->next;
|
|
if (style->name != NULL)
|
|
FreePool(style->name);
|
|
if (style->description != NULL)
|
|
FreePool(style->description);
|
|
FreePool(style);
|
|
style = next;
|
|
}
|
|
}
|
|
|
|
static void nsvg__deletePaths(NSVGpath* path)
|
|
{
|
|
while (path) {
|
|
NSVGpath *next = path->next;
|
|
if (path->pts != NULL) {
|
|
FreePool(path->pts);
|
|
path->pts = NULL;
|
|
}
|
|
FreePool(path);
|
|
path = next;
|
|
}
|
|
}
|
|
|
|
void nsvg__deleteFont(NSVGfont* font)
|
|
{
|
|
NSVGglyph *glyphs, *next;
|
|
if (!font) {
|
|
return;
|
|
}
|
|
if (font->missingGlyph) {
|
|
// DBG("missing glyph=%s\n", font->missingGlyph->name);
|
|
nsvg__deletePaths(font->missingGlyph->path);
|
|
FreePool(font->missingGlyph);
|
|
font->missingGlyph = NULL;
|
|
}
|
|
glyphs = font->glyphs;
|
|
while (glyphs) {
|
|
// DBG(" glyph=%s\n", glyphs->name);
|
|
next = glyphs->next;
|
|
nsvg__deletePaths(glyphs->path);
|
|
FreePool(glyphs);
|
|
glyphs = next;
|
|
}
|
|
FreePool(font);
|
|
}
|
|
|
|
static void nsvg__deletePaint(NSVGpaint* paint)
|
|
{
|
|
if (!paint || !paint->paint.gradient) {
|
|
return;
|
|
}
|
|
if (paint->type == NSVG_PAINT_LINEAR_GRADIENT ||
|
|
paint->type == NSVG_PAINT_RADIAL_GRADIENT ||
|
|
paint->type == NSVG_PAINT_CONIC_GRADIENT) {
|
|
FreePool(paint->paint.gradient);
|
|
paint->paint.gradient = NULL;
|
|
}
|
|
}
|
|
|
|
static void nsvg__deleteGradientData(NSVGgradientData* grad)
|
|
{
|
|
NSVGgradientData* next;
|
|
while (grad != NULL) {
|
|
next = grad->next;
|
|
if (grad->nstops > 0) {
|
|
FreePool(grad->stops);
|
|
}
|
|
FreePool(grad);
|
|
grad = next;
|
|
}
|
|
}
|
|
|
|
|
|
static void nsvg__deleteSymbols(NSVGsymbol* symbol)
|
|
{
|
|
NSVGsymbol* next;
|
|
while (symbol) {
|
|
next = symbol->next;
|
|
NSVGshape* shape = symbol->shapes;
|
|
nsvg__deleteShapes(shape);
|
|
FreePool(symbol);
|
|
symbol = next;
|
|
}
|
|
}
|
|
|
|
void nsvg__deleteParser(NSVGparser* p)
|
|
{
|
|
int i;
|
|
if (p != NULL) {
|
|
nsvg__deleteStyles(p->styles);
|
|
nsvg__deleteSymbols(p->symbols);
|
|
nsvg__deletePaths(p->plist);
|
|
nsvg__deleteGradientData(p->gradients);
|
|
// do not delete font here, as we free all fonts later by following fontsdb
|
|
|
|
nsvgDelete(p->image);
|
|
if (p->cpts > 0 && p->pts) {
|
|
FreePool(p->pts);
|
|
}
|
|
for (i=0; i<NSVG_MAX_ATTR; i++) {
|
|
NSVGattrib* attr = &(p->attr[i]);
|
|
if (attr && attr->fontFace) {
|
|
FreePool(attr->fontFace);
|
|
attr->fontFace = NULL;
|
|
}
|
|
while (attr->group) {
|
|
NSVGgroup* group = attr->group->next;
|
|
FreePool(attr->group);
|
|
attr->group = group;
|
|
}
|
|
}
|
|
FreePool(p);
|
|
}
|
|
}
|
|
|
|
static void nsvg__resetPath(NSVGparser* p)
|
|
{
|
|
p->npts = 0;
|
|
if (p->cpts > 0 && p->pts) {
|
|
FreePool(p->pts);
|
|
p->pts = NULL;
|
|
p->cpts = 0;
|
|
}
|
|
}
|
|
|
|
static void nsvg__addPoint(NSVGparser* p, float x, float y)
|
|
{
|
|
// DBG("enter addPoint\n");
|
|
if (p->npts*2+7 > p->cpts) {
|
|
// DBG("npts=%d, cpts=%d\n", p->npts, p->cpts);
|
|
if ((p->cpts == 0) || !p->pts) {
|
|
p->cpts = 8;
|
|
p->pts = (float*)AllocatePool(16 * sizeof(float));
|
|
} else {
|
|
// DBG("reallocate\n");
|
|
p->cpts *= 2;
|
|
p->pts = (float*)ReallocatePool(p->cpts*sizeof(float), p->cpts*2*sizeof(float), p->pts);
|
|
|
|
}
|
|
if (!p->pts) return;
|
|
}
|
|
// DBG("new point\n");
|
|
p->pts[p->npts*2+0] = x;
|
|
p->pts[p->npts*2+1] = y;
|
|
p->npts++;
|
|
}
|
|
|
|
static void nsvg__moveTo(NSVGparser* p, float x, float y)
|
|
{
|
|
if (p->npts > 0) {
|
|
p->pts[(p->npts-1)*2+0] = x;
|
|
p->pts[(p->npts-1)*2+1] = y;
|
|
} else {
|
|
nsvg__addPoint(p, x, y);
|
|
}
|
|
}
|
|
|
|
static void nsvg__lineTo(NSVGparser* p, float x, float y)
|
|
{
|
|
float px,py, dx,dy;
|
|
if (p->npts > 0) {
|
|
// DBG("npts=%d, and cpts=%d\n", p->npts, p->cpts);
|
|
px = p->pts[(p->npts-1)*2+0];
|
|
py = p->pts[(p->npts-1)*2+1];
|
|
dx = x - px;
|
|
dy = y - py;
|
|
|
|
nsvg__addPoint(p, px + dx/3.0f, py + dy/3.0f);
|
|
nsvg__addPoint(p, x - dx/3.0f, y - dy/3.0f);
|
|
nsvg__addPoint(p, x, y);
|
|
}
|
|
}
|
|
|
|
static void nsvg__cubicBezTo(NSVGparser* p, float cpx1, float cpy1, float cpx2, float cpy2, float x, float y)
|
|
{
|
|
if (p->npts > 0) {
|
|
nsvg__addPoint(p, cpx1, cpy1);
|
|
nsvg__addPoint(p, cpx2, cpy2);
|
|
nsvg__addPoint(p, x, y);
|
|
}
|
|
}
|
|
|
|
static NSVGattrib* nsvg__getAttr(NSVGparser* p)
|
|
{
|
|
return &p->attr[p->attrHead];
|
|
}
|
|
|
|
static void nsvg__pushAttr(NSVGparser* p)
|
|
{
|
|
if (p->attrHead < NSVG_MAX_ATTR-1) {
|
|
p->attrHead++;
|
|
memcpy(&p->attr[p->attrHead], &p->attr[p->attrHead-1], sizeof(NSVGattrib));
|
|
memset(&p->attr[p->attrHead].id, 0, sizeof(p->attr[p->attrHead].id));
|
|
// p->attr[p->attrHead].opacity = 1.0f; //let it be copy
|
|
}
|
|
}
|
|
|
|
static void nsvg__popAttr(NSVGparser* p)
|
|
{
|
|
if (p->attrHead > 0)
|
|
p->attrHead--;
|
|
}
|
|
|
|
static float nsvg__actualOrigX(NSVGparser* p)
|
|
{
|
|
return p->viewMinx;
|
|
}
|
|
|
|
static float nsvg__actualOrigY(NSVGparser* p)
|
|
{
|
|
return p->viewMiny;
|
|
}
|
|
|
|
static float nsvg__actualWidth(NSVGparser* p)
|
|
{
|
|
return p->viewWidth;
|
|
}
|
|
|
|
static float nsvg__actualHeight(NSVGparser* p)
|
|
{
|
|
return p->viewHeight;
|
|
}
|
|
|
|
static float nsvg__actualLength(NSVGparser* p)
|
|
{
|
|
float w = nsvg__actualWidth(p), h = nsvg__actualHeight(p);
|
|
return nsvg__vmag(w, h) * 0.70710678118655f; // 1.0/sqrtf(2.0f);
|
|
}
|
|
|
|
static float nsvg__convertToPixels(NSVGparser* p, NSVGcoordinate* c, float orig, float length)
|
|
{
|
|
NSVGattrib* attr = nsvg__getAttr(p);
|
|
float fontSize = 10;
|
|
if ((p->dpi <= 0) || (p->dpi > 2400)) {
|
|
// DBG("wrong dpi=%d\n", (int)p->dpi);
|
|
p->dpi = 72;
|
|
}
|
|
if (attr->fontFace) {
|
|
fontSize = attr->fontFace->fontSize;
|
|
}
|
|
switch (c->units) {
|
|
case NSVG_UNITS_USER: return c->value;
|
|
case NSVG_UNITS_PX: return c->value;
|
|
case NSVG_UNITS_PT: return c->value / 72.0f * p->dpi;
|
|
case NSVG_UNITS_PC: return c->value / 6.0f * p->dpi;
|
|
case NSVG_UNITS_MM: return c->value / 25.4f * p->dpi;
|
|
case NSVG_UNITS_CM: return c->value / 2.54f * p->dpi;
|
|
case NSVG_UNITS_IN: return c->value * p->dpi;
|
|
case NSVG_UNITS_EM: return c->value * fontSize;
|
|
case NSVG_UNITS_EX: return c->value * fontSize * 0.52f; // x-height of Helvetica.
|
|
case NSVG_UNITS_PERCENT: return orig + c->value * 0.01f * length;
|
|
default: return c->value;
|
|
}
|
|
// return c.value;
|
|
}
|
|
|
|
static float nsvg__convertToPixelsForGradient(NSVGparser* p, char units, NSVGcoordinate* c, float orig, float length)
|
|
{
|
|
// float temp = 0.0;
|
|
//units can be NSVG_USER_SPACE or NSVG_OBJECT_SPACE
|
|
if (units == NSVG_USER_SPACE || c->units == NSVG_UNITS_PERCENT)
|
|
return nsvg__convertToPixels(p, c, orig, length);
|
|
|
|
return orig + c->value * length; //orig=x1 length=x2-x1 c->value= 86%
|
|
}
|
|
|
|
static NSVGgradientData* nsvg__findGradientData(NSVGparser* p, const char* id)
|
|
{
|
|
NSVGgradientData* grad = p->gradients;
|
|
if (id == NULL || *id == '\0')
|
|
return NULL;
|
|
|
|
while (grad) {
|
|
if (strcmp(grad->id, id) == 0)
|
|
return grad;
|
|
grad = grad->next;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static NSVGgradientLink* nsvg__createGradientLink(const char* id)
|
|
{
|
|
NSVGgradientLink* grad = (NSVGgradientLink*)AllocateZeroPool(sizeof(NSVGgradientLink));
|
|
if (grad == NULL) return NULL;
|
|
strncpy(grad->id, id, 63);
|
|
grad->id[63] = '\0';
|
|
return grad;
|
|
}
|
|
|
|
static void nsvg__getLocalBounds(float* bounds, NSVGshape *shape); //, float* xform);
|
|
|
|
static NSVGgradient* nsvg__createGradient(NSVGparser* p, NSVGshape* shape, NSVGgradientLink* link, char* paintType)
|
|
{
|
|
// NSVGattrib* attr = nsvg__getAttr(p);
|
|
NSVGgradientData* data = NULL;
|
|
NSVGgradientData* ref = NULL;
|
|
NSVGgradientStop* stops = NULL;
|
|
NSVGgradient* grad;
|
|
float ox, oy, sw, sh, sl;
|
|
int nstops = 0;
|
|
int refIter = 0;
|
|
if (!link) {
|
|
*paintType = NSVG_PAINT_NONE;
|
|
return NULL;
|
|
}
|
|
data = nsvg__findGradientData(p, link->id);
|
|
if (data == NULL) return NULL;
|
|
// DumpFloat2("gradient data xform:", data->xform, 6);
|
|
stops = data->stops;
|
|
nstops = data->nstops;
|
|
ref = nsvg__findGradientData(p, data->ref);
|
|
while (ref != NULL) {
|
|
NSVGgradientData* nextRef = NULL;
|
|
if (stops == NULL && ref->stops != NULL) { //take stops only once at first occuerence
|
|
stops = ref->stops;
|
|
nstops = ref->nstops;
|
|
}
|
|
//left referenced, right is current,
|
|
// matrix are reversed
|
|
nsvg__xformPremultiply(data->xform, ref->xform);
|
|
nextRef = nsvg__findGradientData(p, ref->ref); //recursive refs?
|
|
if (nextRef == ref) break; // prevent infinite loops on malformed data
|
|
ref = nextRef;
|
|
refIter++;
|
|
if (refIter > 32) break; // prevent infinite loops on malformed data
|
|
}
|
|
if (stops == NULL) return NULL;
|
|
// DumpFloat2("gradient final xform:", data->xform, 6);
|
|
grad = (NSVGgradient*)AllocateZeroPool(sizeof(NSVGgradient) + sizeof(NSVGgradientStop)*(nstops-1));
|
|
if (grad == NULL) return NULL;
|
|
// The shape width and height.
|
|
if (data->units == NSVG_OBJECT_SPACE) {
|
|
float localBounds[4];
|
|
nsvg__getLocalBounds(localBounds, shape); //, inv); //before any transform
|
|
|
|
ox = localBounds[0];
|
|
oy = localBounds[1];
|
|
sw = localBounds[2] - localBounds[0];
|
|
sh = localBounds[3] - localBounds[1];
|
|
} else {
|
|
ox = nsvg__actualOrigX(p);
|
|
oy = nsvg__actualOrigY(p);
|
|
sw = nsvg__actualWidth(p);
|
|
sh = nsvg__actualHeight(p);
|
|
}
|
|
|
|
float gradForm[6]; //coordinates
|
|
nsvg__xformIdentity(gradForm);
|
|
// sl = sqrtf(sw*sw + sh*sh) * 0.70710678118655f; // == 1. / sqrtf(2.0f);
|
|
sl = nsvg__vmag(sw, sh) * 0.70710678118655f;
|
|
if (data->type == NSVG_PAINT_LINEAR_GRADIENT) {
|
|
float x1, y1, x2, y2, dx, dy;
|
|
|
|
x1 = nsvg__convertToPixelsForGradient(p, data->units, &data->direction.linear.x1, ox, sw);
|
|
y1 = nsvg__convertToPixelsForGradient(p, data->units, &data->direction.linear.y1, oy, sh);
|
|
x2 = nsvg__convertToPixelsForGradient(p, data->units, &data->direction.linear.x2, ox, sw);
|
|
y2 = nsvg__convertToPixelsForGradient(p, data->units, &data->direction.linear.y2, oy, sh);
|
|
// Calculate transform aligned to the line
|
|
dx = x2 - x1;
|
|
dy = y2 - y1;
|
|
|
|
gradForm[0] = dy; gradForm[1] = -dx;
|
|
gradForm[2] = dx; gradForm[3] = dy;
|
|
gradForm[4] = x1; gradForm[5] = y1;
|
|
} else if ((data->type == NSVG_PAINT_RADIAL_GRADIENT) ||
|
|
(data->type == NSVG_PAINT_CONIC_GRADIENT)) {
|
|
float cx, cy, fx, fy, r;
|
|
cx = nsvg__convertToPixelsForGradient(p, data->units, &data->direction.radial.cx, ox, sw);
|
|
cy = nsvg__convertToPixelsForGradient(p, data->units, &data->direction.radial.cy, oy, sh);
|
|
fx = nsvg__convertToPixelsForGradient(p, data->units, &data->direction.radial.fx, ox, sw);
|
|
fy = nsvg__convertToPixelsForGradient(p, data->units, &data->direction.radial.fy, oy, sh);
|
|
r = nsvg__convertToPixelsForGradient(p, data->units, &data->direction.radial.r, 0, sl);
|
|
// Calculate transform aligned to the circle
|
|
gradForm[0] = r; gradForm[1] = 0;
|
|
gradForm[2] = 0; gradForm[3] = r;
|
|
gradForm[4] = cx; gradForm[5] = cy;
|
|
grad->fx = (fx - cx) / r;
|
|
grad->fy = (fy - cy) / r;
|
|
}
|
|
|
|
// nsvg__xformInverse(grad->xform, gradForm);
|
|
// nsvg__xformMultiply(grad->xform, data->xform); //from GradientData "gradientTransform"
|
|
nsvg__xformMultiply(gradForm, data->xform);
|
|
nsvg__xformInverse(grad->xform, gradForm);
|
|
|
|
grad->spread = data->spread;
|
|
grad->ditherCoarse = data->ditherCoarse;
|
|
memcpy(grad->stops, stops, nstops*sizeof(NSVGgradientStop));
|
|
grad->nstops = nstops;
|
|
|
|
*paintType = data->type;
|
|
|
|
return grad;
|
|
}
|
|
|
|
static float nsvg__getAverageScale(float* t)
|
|
{
|
|
return (nsvg__vmag(t[0], t[2]) + nsvg__vmag(t[1], t[3])) * 0.5f;
|
|
}
|
|
|
|
static void nsvg__getLocalBounds(float* bounds, NSVGshape *shape) //, float* atXform)
|
|
{
|
|
NSVGpath* path;
|
|
float curve[8];
|
|
float curveBounds[4];
|
|
|
|
int i, first = 1;
|
|
|
|
for (path = shape->paths; path != NULL; path = path->next) {
|
|
curve[0] = path->pts[0];
|
|
curve[1] = path->pts[1];
|
|
for (i = 1; i < path->npts; i += 3) {
|
|
// curve = &path->pts[i*2];
|
|
memcpy(&curve[2], &path->pts[i*2], 6*sizeof(float));
|
|
nsvg__curveBounds(curveBounds, curve);
|
|
if (first) {
|
|
bounds[0] = curveBounds[0];
|
|
bounds[1] = curveBounds[1];
|
|
bounds[2] = curveBounds[2];
|
|
bounds[3] = curveBounds[3];
|
|
first = 0;
|
|
} else {
|
|
bounds[0] = nsvg__minf(bounds[0], curveBounds[0]);
|
|
bounds[1] = nsvg__minf(bounds[1], curveBounds[1]);
|
|
bounds[2] = nsvg__maxf(bounds[2], curveBounds[2]);
|
|
bounds[3] = nsvg__maxf(bounds[3], curveBounds[3]);
|
|
}
|
|
curve[0] = curve[6];
|
|
curve[1] = curve[7];
|
|
}
|
|
}
|
|
}
|
|
/*
|
|
static void nsvg__getSymbolBounds(NSVGparser* p)
|
|
{
|
|
NSVGsymbol* symbol = p->symbols;
|
|
NSVGshape* shape = symbol->shapes;
|
|
if (!shape) return;
|
|
symbol->bounds[0] = FLT_MAX;
|
|
symbol->bounds[1] = FLT_MAX;
|
|
symbol->bounds[2] = -FLT_MAX;
|
|
symbol->bounds[3] = -FLT_MAX;
|
|
nsvg__shapesBound(shape, symbol->bounds);
|
|
// DumpFloat2("Symbol has bounds", symbol->bounds, 4); //nothing
|
|
DumpFloat2("Symbol has viewbox", symbol->viewBox, 4);
|
|
}
|
|
*/
|
|
static void nsvg__addShape(NSVGparser* p)
|
|
{
|
|
NSVGattrib* attr = nsvg__getAttr(p);
|
|
float scale;
|
|
NSVGshape* shape;
|
|
int i;
|
|
|
|
if (p->plist == NULL /*&& !p->isText*/ )
|
|
return;
|
|
|
|
shape = (NSVGshape*)AllocateZeroPool(sizeof(NSVGshape));
|
|
if (shape == NULL) return;
|
|
|
|
memcpy(shape->id, attr->id, sizeof shape->id);
|
|
memcpy(shape->title, attr->title, sizeof shape->title);
|
|
// DBG("shapeID=%s\n", shape->id);
|
|
shape->group = attr->group;
|
|
scale = nsvg__getAverageScale(attr->xform); //ssss
|
|
shape->strokeWidth = attr->strokeWidth * scale;
|
|
shape->strokeDashOffset = attr->strokeDashOffset * scale;
|
|
shape->strokeDashCount = (char)attr->strokeDashCount;
|
|
for (i = 0; i < attr->strokeDashCount; i++)
|
|
shape->strokeDashArray[i] = attr->strokeDashArray[i] * scale;
|
|
shape->strokeLineJoin = attr->strokeLineJoin;
|
|
shape->strokeLineCap = attr->strokeLineCap;
|
|
shape->miterLimit = attr->miterLimit;
|
|
shape->fillRule = attr->fillRule;
|
|
shape->opacity = attr->opacity;
|
|
memcpy(shape->xform, attr->xform, sizeof(float)*6);
|
|
|
|
shape->paths = p->plist;
|
|
p->plist = NULL;
|
|
|
|
shape->clip.count = attr->clipPathCount;
|
|
if (shape->clip.count > 0) {
|
|
shape->clip.index = (NSVGclipPathIndex*)AllocateCopyPool(attr->clipPathCount * sizeof(NSVGclipPathIndex),
|
|
p->clipPathStack);
|
|
if (shape->clip.index == NULL) {
|
|
FreePool(shape);
|
|
return;
|
|
}
|
|
}
|
|
|
|
nsvg__getLocalBounds(shape->bounds, shape); //(dest, src)
|
|
|
|
// Set fill
|
|
shape->fill.type = NSVG_PAINT_NONE;
|
|
if (attr->hasFill == 1) {
|
|
shape->fill.type = NSVG_PAINT_COLOR;
|
|
shape->fill.paint.color = ((unsigned int)(attr->fillOpacity*255) << 24) | attr->fillColor;
|
|
} else if (attr->hasFill == 2) {
|
|
shape->fill.type = NSVG_PAINT_GRADIENT_LINK;
|
|
shape->fill.paint.gradientLink = nsvg__createGradientLink(attr->fillGradient);
|
|
if (shape->fill.paint.gradientLink == NULL) {
|
|
shape->fill.type = NSVG_PAINT_NONE;
|
|
if (shape->clip.index) {
|
|
FreePool(shape->clip.index);
|
|
}
|
|
FreePool(shape);
|
|
return;
|
|
}
|
|
} else if (attr->hasFill == 3) {
|
|
shape->fill.type = NSVG_PAINT_PATTERN;
|
|
const char *id = attr->fillGradient;
|
|
NSVGpattern* pt = p->patterns;
|
|
while (pt) {
|
|
if (strcmp(pt->id, id) == 0) {
|
|
break;
|
|
}
|
|
pt = pt->next;
|
|
}
|
|
shape->fill.paint.gradient = (NSVGgradient*)pt;
|
|
}
|
|
|
|
// Set stroke
|
|
shape->stroke.type = NSVG_PAINT_NONE;
|
|
if (attr->hasStroke == 1) {
|
|
shape->stroke.type = NSVG_PAINT_COLOR;
|
|
shape->stroke.paint.color = ((unsigned int)(attr->strokeOpacity*255) << 24) | attr->strokeColor;
|
|
} else if (attr->hasStroke == 2) {
|
|
shape->stroke.type = NSVG_PAINT_GRADIENT_LINK;
|
|
shape->stroke.paint.gradientLink = nsvg__createGradientLink(attr->strokeGradient);
|
|
if (shape->stroke.paint.gradientLink == NULL) {
|
|
shape->fill.type = NSVG_PAINT_NONE;
|
|
if (shape->clip.index) {
|
|
FreePool(shape->clip.index);
|
|
}
|
|
FreePool(shape);
|
|
return;
|
|
}
|
|
} else if (attr->hasStroke == 3) {
|
|
shape->stroke.type = NSVG_PAINT_PATTERN;
|
|
const char *id = attr->strokeGradient;
|
|
NSVGpattern* pt = p->patterns;
|
|
while (pt) {
|
|
if (strcmp(pt->id, id) == 0) {
|
|
break;
|
|
}
|
|
pt = pt->next;
|
|
}
|
|
shape->stroke.paint.gradient = (NSVGgradient*)pt;
|
|
}
|
|
|
|
// Set flags
|
|
// shape->flags = ((attr->visible & NSVG_VIS_DISPLAY) && (attr->visible & NSVG_VIS_VISIBLE) ? NSVG_VIS_VISIBLE : 0x00);
|
|
shape->flags = attr->visible;
|
|
if (p->defsFlag) {
|
|
shape->flags = 0;
|
|
}
|
|
|
|
// Add shape
|
|
if (p->clipPath != NULL) {
|
|
shape->next = p->clipPath->shapes;
|
|
p->clipPath->shapes = shape;
|
|
} else if (p->symbolFlag) {
|
|
if (p->symbols->shapes == NULL)
|
|
p->symbols->shapes = shape;
|
|
else
|
|
p->symbols->shapesTail->next = shape;
|
|
p->symbols->shapesTail = shape;
|
|
} else {
|
|
// Add to tail
|
|
if (p->image->shapes == NULL)
|
|
p->image->shapes = shape;
|
|
else
|
|
p->shapesTail->next = shape;
|
|
p->shapesTail = shape;
|
|
}
|
|
return;
|
|
}
|
|
|
|
static void nsvg__addPath(NSVGparser* p, char closed)
|
|
{
|
|
// NSVGattrib* attr = nsvg__getAttr(p);
|
|
NSVGpath* path = NULL;
|
|
float bounds[4];
|
|
float* curve;
|
|
int i;
|
|
|
|
if (p->npts < 4)
|
|
return;
|
|
|
|
if (closed)
|
|
nsvg__lineTo(p, p->pts[0], p->pts[1]);
|
|
// Expect 1 + N*3 points (N = number of cubic bezier segments).
|
|
if ((p->npts % 3) != 1)
|
|
return;
|
|
|
|
path = (NSVGpath*)AllocateZeroPool(sizeof(NSVGpath));
|
|
if (path == NULL) {
|
|
return;
|
|
}
|
|
path->pts = (float*)AllocateZeroPool(p->npts*2*sizeof(float));
|
|
if (path->pts == NULL) {
|
|
FreePool(path);
|
|
return;
|
|
}
|
|
path->closed = closed;
|
|
path->npts = p->npts;
|
|
|
|
memcpy(path->pts, p->pts, p->npts * 2 * sizeof(float));
|
|
|
|
// Find bounds
|
|
for (i = 0; i < path->npts-1; i += 3) {
|
|
curve = &path->pts[i*2];
|
|
nsvg__curveBounds(bounds, curve);
|
|
if (i == 0) {
|
|
path->bounds[0] = bounds[0];
|
|
path->bounds[1] = bounds[1];
|
|
path->bounds[2] = bounds[2];
|
|
path->bounds[3] = bounds[3];
|
|
} else {
|
|
path->bounds[0] = nsvg__minf(path->bounds[0], bounds[0]);
|
|
path->bounds[1] = nsvg__minf(path->bounds[1], bounds[1]);
|
|
path->bounds[2] = nsvg__maxf(path->bounds[2], bounds[2]);
|
|
path->bounds[3] = nsvg__maxf(path->bounds[3], bounds[3]);
|
|
}
|
|
}
|
|
path->next = p->plist;
|
|
p->plist = path;
|
|
return;
|
|
}
|
|
|
|
//Slice - replace by own implementation
|
|
#ifdef USE_ATOF
|
|
// We roll our own string to float because the std library one uses locale and messes things up.
|
|
static double nsvg__atof(const char* s)
|
|
{
|
|
char* cur = (char*)s;
|
|
char* end = NULL;
|
|
double res = 0.0, sign = 1.0;
|
|
long long intPart = 0, fracPart = 0;
|
|
char hasIntPart = 0, hasFracPart = 0;
|
|
|
|
// Parse optional sign
|
|
if (*cur == '+') {
|
|
cur++;
|
|
} else if (*cur == '-') {
|
|
sign = -1;
|
|
cur++;
|
|
}
|
|
|
|
// Parse integer part
|
|
if (nsvg__isdigit(*cur)) {
|
|
// Parse digit sequence
|
|
// intPart = (double)strtoll(cur, &end, 10);
|
|
AsciiStrDecimalToUintnS(cur, &end, &intPart);
|
|
if (cur != end) {
|
|
res = (double)intPart;
|
|
hasIntPart = 1;
|
|
cur = end;
|
|
}
|
|
}
|
|
|
|
// Parse fractional part.
|
|
if (*cur == '.') {
|
|
cur++; // Skip '.'
|
|
if (nsvg__isdigit(*cur)) {
|
|
// Parse digit sequence
|
|
// fracPart = strtoll(cur, &end, 10);
|
|
AsciiStrDecimalToUintnS(cur, &end, &fracPart);
|
|
if (cur != end) {
|
|
res += (double)fracPart / pow(10.0, (double)(end - cur));
|
|
hasFracPart = 1;
|
|
cur = end;
|
|
}
|
|
}
|
|
}
|
|
|
|
// A valid number should have integer or fractional part.
|
|
if (!hasIntPart && !hasFracPart)
|
|
return 0.0;
|
|
|
|
// Parse optional exponent
|
|
if (*cur == 'e' || *cur == 'E') {
|
|
long expPart = 0;
|
|
cur++; // skip 'E'
|
|
expPart = strtol(cur, &end, 10); // Parse digit sequence with sign
|
|
if (cur != end) {
|
|
res *= pow(10.0, (double)expPart);
|
|
}
|
|
}
|
|
|
|
return res * sign;
|
|
}
|
|
#else
|
|
static float nsvg__atof(const char* s)
|
|
{
|
|
float Data = 0.0f;
|
|
AsciiStrToFloat(s, NULL, &Data);
|
|
return Data;
|
|
}
|
|
#endif
|
|
|
|
static const char* nsvg__parseNumber(const char* s, char* it, const int size)
|
|
{
|
|
const int last = size-1;
|
|
int i = 0;
|
|
|
|
// sign
|
|
if (*s == '-' || *s == '+') {
|
|
if (i < last) it[i++] = *s;
|
|
s++;
|
|
}
|
|
// integer part
|
|
while (*s && nsvg__isdigit(*s)) {
|
|
if (i < last) it[i++] = *s;
|
|
s++;
|
|
}
|
|
if (*s == '.') {
|
|
// decimal point
|
|
if (i < last) it[i++] = *s;
|
|
s++;
|
|
// fraction part
|
|
while (*s && nsvg__isdigit(*s)) {
|
|
if (i < last) it[i++] = *s;
|
|
s++;
|
|
}
|
|
}
|
|
// exponent but not units ex|em
|
|
if ((*s == 'e' || *s == 'E') && (s[1] != 'm' && s[1] != 'x')) {
|
|
if (i < last) it[i++] = *s;
|
|
s++;
|
|
if (*s == '-' || *s == '+') {
|
|
if (i < last) it[i++] = *s;
|
|
s++;
|
|
}
|
|
while (*s && nsvg__isdigit(*s)) {
|
|
if (i < last) it[i++] = *s;
|
|
s++;
|
|
}
|
|
}
|
|
it[i] = '\0';
|
|
|
|
return s;
|
|
}
|
|
|
|
static const char* nsvg__getNextPathItemWhenArcFlag(const char* s, char* it)
|
|
{
|
|
it[0] = '\0';
|
|
while (*s && (nsvg__isspace(*s) || *s == ',')) s++;
|
|
if (!*s) return s;
|
|
if (*s == '0' || *s == '1') {
|
|
it[0] = *s++;
|
|
it[1] = '\0';
|
|
return s;
|
|
}
|
|
return s;
|
|
}
|
|
|
|
|
|
static const char* nsvg__getNextPathItem(const char* s, char* it)
|
|
{
|
|
it[0] = '\0';
|
|
// Skip white spaces and commas
|
|
while (*s && (nsvg__isspace(*s) || *s == ',')) s++;
|
|
if (!*s) return s;
|
|
if (*s == '-' || *s == '+' || *s == '.' || nsvg__isdigit(*s)) {
|
|
s = nsvg__parseNumber(s, it, 64);
|
|
} else {
|
|
// Parse command
|
|
it[0] = *s++;
|
|
it[1] = '\0';
|
|
return s;
|
|
}
|
|
|
|
return s;
|
|
}
|
|
|
|
//w3.org
|
|
/*
|
|
<circle cx="200" cy="135" r="20" fill="#3b3"/> //Three digit hex — #rgb
|
|
<circle cx="240" cy="135" r="20" fill="#33bb33"/> //Six digit hex — #rrggbb
|
|
<circle cx="200" cy="175" r="20" fill="rgb(51,187,51)"/> //Integer functional — rgb(rrr, ggg, bbb)
|
|
<circle cx="240" cy="175" r="20" fill="rgb(20%,73.333%,20%)"/> //Float functional — rgb(R%, G%, B%)
|
|
*/
|
|
static unsigned int nsvg__parseColorHex(const char* str)
|
|
{
|
|
unsigned int r = 0, g = 0, b = 0;
|
|
UINTN c = 0;
|
|
int n = 0;
|
|
str++; // skip #
|
|
// Calculate number of characters.
|
|
while(str[n] && IsHexDigit(str[n]))
|
|
n++;
|
|
if (n == 6) {
|
|
hex2bin((CHAR8*)str, 6, (UINT8*)&c, 3); //big endian
|
|
b = (c >> 16) & 0xff;
|
|
g = (c >> 8) & 0xff;
|
|
r = c & 0xff;
|
|
} else if (n == 3) {
|
|
c = AsciiStrHexToUintn(str);
|
|
r = ((c&0xf00) >> 8) * 17;
|
|
g = ((c&0xf0) >> 4) * 17;
|
|
b = (c&0xf) * 17;
|
|
}
|
|
return NSVG_RGB(r,g,b);
|
|
}
|
|
|
|
static unsigned int nsvg__parseColorRGB(const char* str)
|
|
{
|
|
int r = -1, g = -1, b = -1, a = 0;
|
|
float fr, fg, fb, fa;
|
|
char *s1 = NULL;
|
|
AsciiStrToFloat(str+4, &s1, &fr);
|
|
if (*s1 == '%') {
|
|
r = (int)(fr * 2.55f);
|
|
str = s1 + 2;
|
|
} else if (*s1 == ',') {
|
|
r = (int)fr;
|
|
str = s1 + 1;
|
|
} else {
|
|
//error
|
|
DBG("StrFloat error:%s\n", str);
|
|
return NSVG_RGB(0,0,0);
|
|
}
|
|
AsciiStrToFloat(str, &s1, &fg);
|
|
if (*s1 == '%') {
|
|
g = (int)(fg * 2.55f);
|
|
str = s1 + 2;
|
|
} else if (*s1 == ',') {
|
|
g = (int)fg;
|
|
str = s1 + 1;
|
|
} else {
|
|
//error
|
|
DBG("StrFloat error:%s\n", str);
|
|
return NSVG_RGB(0,0,0);
|
|
}
|
|
AsciiStrToFloat(str, &s1, &fb);
|
|
if (*s1++ == '%') {
|
|
b = (int)(fb * 2.55f);
|
|
str = s1 + 1;
|
|
} else {
|
|
b = (int)fb;
|
|
str = s1;
|
|
}
|
|
if (*s1 == ',') { //there can be no spaces?!
|
|
AsciiStrToFloat(str, &s1, &fa);
|
|
if (*s1 == '%') {
|
|
a = (int)(fa * 2.55f);
|
|
} else {
|
|
a = (int)fa;
|
|
}
|
|
return NSVG_RGBA(r,g,b,a);
|
|
}
|
|
return NSVG_RGB(r,g,b);
|
|
}
|
|
|
|
typedef struct NSVGNamedColor {
|
|
const char* name;
|
|
unsigned int color;
|
|
} NSVGNamedColor;
|
|
|
|
NSVGNamedColor nsvg__colors[] = {
|
|
|
|
{ "red", NSVG_RGB(255, 0, 0) },
|
|
{ "green", NSVG_RGB( 0, 128, 0) },
|
|
{ "blue", NSVG_RGB( 0, 0, 255) },
|
|
{ "yellow", NSVG_RGB(255, 255, 0) },
|
|
{ "cyan", NSVG_RGB( 0, 255, 255) },
|
|
{ "magenta", NSVG_RGB(255, 0, 255) },
|
|
{ "black", NSVG_RGB( 0, 0, 0) },
|
|
{ "grey", NSVG_RGB(128, 128, 128) },
|
|
{ "gray", NSVG_RGB(128, 128, 128) },
|
|
{ "white", NSVG_RGB(255, 255, 255) },
|
|
|
|
#ifdef NANOSVG_ALL_COLOR_KEYWORDS
|
|
{ "aliceblue", NSVG_RGB(240, 248, 255) },
|
|
{ "antiquewhite", NSVG_RGB(250, 235, 215) },
|
|
{ "aqua", NSVG_RGB( 0, 255, 255) },
|
|
{ "aquamarine", NSVG_RGB(127, 255, 212) },
|
|
{ "azure", NSVG_RGB(240, 255, 255) },
|
|
{ "beige", NSVG_RGB(245, 245, 220) },
|
|
{ "bisque", NSVG_RGB(255, 228, 196) },
|
|
{ "blanchedalmond", NSVG_RGB(255, 235, 205) },
|
|
{ "blueviolet", NSVG_RGB(138, 43, 226) },
|
|
{ "brown", NSVG_RGB(165, 42, 42) },
|
|
{ "burlywood", NSVG_RGB(222, 184, 135) },
|
|
{ "cadetblue", NSVG_RGB( 95, 158, 160) },
|
|
{ "chartreuse", NSVG_RGB(127, 255, 0) },
|
|
{ "chocolate", NSVG_RGB(210, 105, 30) },
|
|
{ "coral", NSVG_RGB(255, 127, 80) },
|
|
{ "cornflowerblue", NSVG_RGB(100, 149, 237) },
|
|
{ "cornsilk", NSVG_RGB(255, 248, 220) },
|
|
{ "crimson", NSVG_RGB(220, 20, 60) },
|
|
{ "darkblue", NSVG_RGB( 0, 0, 139) },
|
|
{ "darkcyan", NSVG_RGB( 0, 139, 139) },
|
|
{ "darkgoldenrod", NSVG_RGB(184, 134, 11) },
|
|
{ "darkgray", NSVG_RGB(169, 169, 169) },
|
|
{ "darkgreen", NSVG_RGB( 0, 100, 0) },
|
|
{ "darkgrey", NSVG_RGB(169, 169, 169) },
|
|
{ "darkkhaki", NSVG_RGB(189, 183, 107) },
|
|
{ "darkmagenta", NSVG_RGB(139, 0, 139) },
|
|
{ "darkolivegreen", NSVG_RGB( 85, 107, 47) },
|
|
{ "darkorange", NSVG_RGB(255, 140, 0) },
|
|
{ "darkorchid", NSVG_RGB(153, 50, 204) },
|
|
{ "darkred", NSVG_RGB(139, 0, 0) },
|
|
{ "darksalmon", NSVG_RGB(233, 150, 122) },
|
|
{ "darkseagreen", NSVG_RGB(143, 188, 143) },
|
|
{ "darkslateblue", NSVG_RGB( 72, 61, 139) },
|
|
{ "darkslategray", NSVG_RGB( 47, 79, 79) },
|
|
{ "darkslategrey", NSVG_RGB( 47, 79, 79) },
|
|
{ "darkturquoise", NSVG_RGB( 0, 206, 209) },
|
|
{ "darkviolet", NSVG_RGB(148, 0, 211) },
|
|
{ "deeppink", NSVG_RGB(255, 20, 147) },
|
|
{ "deepskyblue", NSVG_RGB( 0, 191, 255) },
|
|
{ "dimgray", NSVG_RGB(105, 105, 105) },
|
|
{ "dimgrey", NSVG_RGB(105, 105, 105) },
|
|
{ "dodgerblue", NSVG_RGB( 30, 144, 255) },
|
|
{ "firebrick", NSVG_RGB(178, 34, 34) },
|
|
{ "floralwhite", NSVG_RGB(255, 250, 240) },
|
|
{ "forestgreen", NSVG_RGB( 34, 139, 34) },
|
|
{ "fuchsia", NSVG_RGB(255, 0, 255) },
|
|
{ "gainsboro", NSVG_RGB(220, 220, 220) },
|
|
{ "ghostwhite", NSVG_RGB(248, 248, 255) },
|
|
{ "gold", NSVG_RGB(255, 215, 0) },
|
|
{ "goldenrod", NSVG_RGB(218, 165, 32) },
|
|
{ "greenyellow", NSVG_RGB(173, 255, 47) },
|
|
{ "honeydew", NSVG_RGB(240, 255, 240) },
|
|
{ "hotpink", NSVG_RGB(255, 105, 180) },
|
|
{ "indianred", NSVG_RGB(205, 92, 92) },
|
|
{ "indigo", NSVG_RGB( 75, 0, 130) },
|
|
{ "ivory", NSVG_RGB(255, 255, 240) },
|
|
{ "khaki", NSVG_RGB(240, 230, 140) },
|
|
{ "lavender", NSVG_RGB(230, 230, 250) },
|
|
{ "lavenderblush", NSVG_RGB(255, 240, 245) },
|
|
{ "lawngreen", NSVG_RGB(124, 252, 0) },
|
|
{ "lemonchiffon", NSVG_RGB(255, 250, 205) },
|
|
{ "lightblue", NSVG_RGB(173, 216, 230) },
|
|
{ "lightcoral", NSVG_RGB(240, 128, 128) },
|
|
{ "lightcyan", NSVG_RGB(224, 255, 255) },
|
|
{ "lightgoldenrodyellow", NSVG_RGB(250, 250, 210) },
|
|
{ "lightgray", NSVG_RGB(211, 211, 211) },
|
|
{ "lightgreen", NSVG_RGB(144, 238, 144) },
|
|
{ "lightgrey", NSVG_RGB(211, 211, 211) },
|
|
{ "lightpink", NSVG_RGB(255, 182, 193) },
|
|
{ "lightsalmon", NSVG_RGB(255, 160, 122) },
|
|
{ "lightseagreen", NSVG_RGB( 32, 178, 170) },
|
|
{ "lightskyblue", NSVG_RGB(135, 206, 250) },
|
|
{ "lightslategray", NSVG_RGB(119, 136, 153) },
|
|
{ "lightslategrey", NSVG_RGB(119, 136, 153) },
|
|
{ "lightsteelblue", NSVG_RGB(176, 196, 222) },
|
|
{ "lightyellow", NSVG_RGB(255, 255, 224) },
|
|
{ "lime", NSVG_RGB( 0, 255, 0) },
|
|
{ "limegreen", NSVG_RGB( 50, 205, 50) },
|
|
{ "linen", NSVG_RGB(250, 240, 230) },
|
|
{ "maroon", NSVG_RGB(128, 0, 0) },
|
|
{ "mediumaquamarine", NSVG_RGB(102, 205, 170) },
|
|
{ "mediumblue", NSVG_RGB( 0, 0, 205) },
|
|
{ "mediumorchid", NSVG_RGB(186, 85, 211) },
|
|
{ "mediumpurple", NSVG_RGB(147, 112, 219) },
|
|
{ "mediumseagreen", NSVG_RGB( 60, 179, 113) },
|
|
{ "mediumslateblue", NSVG_RGB(123, 104, 238) },
|
|
{ "mediumspringgreen", NSVG_RGB( 0, 250, 154) },
|
|
{ "mediumturquoise", NSVG_RGB( 72, 209, 204) },
|
|
{ "mediumvioletred", NSVG_RGB(199, 21, 133) },
|
|
{ "midnightblue", NSVG_RGB( 25, 25, 112) },
|
|
{ "mintcream", NSVG_RGB(245, 255, 250) },
|
|
{ "mistyrose", NSVG_RGB(255, 228, 225) },
|
|
{ "moccasin", NSVG_RGB(255, 228, 181) },
|
|
{ "navajowhite", NSVG_RGB(255, 222, 173) },
|
|
{ "navy", NSVG_RGB( 0, 0, 128) },
|
|
{ "oldlace", NSVG_RGB(253, 245, 230) },
|
|
{ "olive", NSVG_RGB(128, 128, 0) },
|
|
{ "olivedrab", NSVG_RGB(107, 142, 35) },
|
|
{ "orange", NSVG_RGB(255, 165, 0) },
|
|
{ "orangered", NSVG_RGB(255, 69, 0) },
|
|
{ "orchid", NSVG_RGB(218, 112, 214) },
|
|
{ "palegoldenrod", NSVG_RGB(238, 232, 170) },
|
|
{ "palegreen", NSVG_RGB(152, 251, 152) },
|
|
{ "paleturquoise", NSVG_RGB(175, 238, 238) },
|
|
{ "palevioletred", NSVG_RGB(219, 112, 147) },
|
|
{ "papayawhip", NSVG_RGB(255, 239, 213) },
|
|
{ "peachpuff", NSVG_RGB(255, 218, 185) },
|
|
{ "peru", NSVG_RGB(205, 133, 63) },
|
|
{ "pink", NSVG_RGB(255, 192, 203) },
|
|
{ "plum", NSVG_RGB(221, 160, 221) },
|
|
{ "powderblue", NSVG_RGB(176, 224, 230) },
|
|
{ "purple", NSVG_RGB(128, 0, 128) },
|
|
{ "rosybrown", NSVG_RGB(188, 143, 143) },
|
|
{ "royalblue", NSVG_RGB( 65, 105, 225) },
|
|
{ "saddlebrown", NSVG_RGB(139, 69, 19) },
|
|
{ "salmon", NSVG_RGB(250, 128, 114) },
|
|
{ "sandybrown", NSVG_RGB(244, 164, 96) },
|
|
{ "seagreen", NSVG_RGB( 46, 139, 87) },
|
|
{ "seashell", NSVG_RGB(255, 245, 238) },
|
|
{ "sienna", NSVG_RGB(160, 82, 45) },
|
|
{ "silver", NSVG_RGB(192, 192, 192) },
|
|
{ "skyblue", NSVG_RGB(135, 206, 235) },
|
|
{ "slateblue", NSVG_RGB(106, 90, 205) },
|
|
{ "slategray", NSVG_RGB(112, 128, 144) },
|
|
{ "slategrey", NSVG_RGB(112, 128, 144) },
|
|
{ "snow", NSVG_RGB(255, 250, 250) },
|
|
{ "springgreen", NSVG_RGB( 0, 255, 127) },
|
|
{ "steelblue", NSVG_RGB( 70, 130, 180) },
|
|
{ "tan", NSVG_RGB(210, 180, 140) },
|
|
{ "teal", NSVG_RGB( 0, 128, 128) },
|
|
{ "thistle", NSVG_RGB(216, 191, 216) },
|
|
{ "tomato", NSVG_RGB(255, 99, 71) },
|
|
{ "turquoise", NSVG_RGB( 64, 224, 208) },
|
|
{ "violet", NSVG_RGB(238, 130, 238) },
|
|
{ "wheat", NSVG_RGB(245, 222, 179) },
|
|
{ "whitesmoke", NSVG_RGB(245, 245, 245) },
|
|
{ "yellowgreen", NSVG_RGB(154, 205, 50) },
|
|
#endif
|
|
};
|
|
|
|
static unsigned int nsvg__parseColorName(const char* str)
|
|
{
|
|
int i, ncolors = sizeof(nsvg__colors) / sizeof(NSVGNamedColor);
|
|
// DBG("namedcolor=%d\n", sizeof(NSVGNamedColor));
|
|
#if 0
|
|
for (i = 0; i < ncolors; i++) {
|
|
if (strcmp(nsvg__colors[i].name, str) == 0) {
|
|
return nsvg__colors[i].color;
|
|
}
|
|
}
|
|
#else
|
|
int low, high, med;
|
|
INTN res;
|
|
low = 10;
|
|
high = ncolors - 1;
|
|
for (i = 0; i < 10; i++) {
|
|
if (strcmp(nsvg__colors[i].name, str) == 0) {
|
|
return nsvg__colors[i].color;
|
|
}
|
|
}
|
|
|
|
while (low <= high)
|
|
{
|
|
med = (low + high) / 2;
|
|
res = strcmp(nsvg__colors[med].name, str);
|
|
if(res < 0)
|
|
low = med + 1;
|
|
else if (res > 0)
|
|
high = med - 1;
|
|
else
|
|
return nsvg__colors[med].color;
|
|
}
|
|
#endif
|
|
|
|
return NSVG_RGB(128, 128, 128); //if not found then Grey50%
|
|
}
|
|
|
|
/*
|
|
static unsigned int nsvg__parseColorRGBA(const char* str)
|
|
{
|
|
int r = -1, g = -1, b = -1;
|
|
float a = -1;
|
|
char s1[32]="", s2[32]="", s3[32]="";
|
|
sscanf(str + 5, "%d%[%%, \t]%d%[%%, \t]%d%[%%, \t]%f", &r, s1, &g, s2, &b, s3, &a);
|
|
if (strchr(s1, '%')) {
|
|
return NSVG_RGBA((r*255)/100,(g*255)/100,(b*255)/100,(a*255)/100);
|
|
} else {
|
|
return NSVG_RGBA(r,g,b,(a*255));
|
|
}
|
|
}
|
|
*/
|
|
|
|
static unsigned int nsvg__parseColor(const char* str)
|
|
{
|
|
size_t len = 0;
|
|
while(*str == ' ') ++str;
|
|
len = strlen(str);
|
|
if (len >= 1 && *str == '#')
|
|
return nsvg__parseColorHex(str);
|
|
else if (len >= 4 && str[0] == 'r' && str[1] == 'g' && str[2] == 'b' && str[3] == '(')
|
|
return nsvg__parseColorRGB(str);
|
|
else if (len >= 5 && str[0] == 'r' && str[1] == 'g' && str[2] == 'b' && str[3] == 'a' && str[4] == '(')
|
|
return nsvg__parseColorRGB(str);
|
|
|
|
return nsvg__parseColorName(str);
|
|
}
|
|
|
|
static float nsvg__parseOpacity(const char* str)
|
|
{
|
|
float val = 0;
|
|
// sscanf(str, "%f", &val);
|
|
AsciiStrToFloat(str, NULL, &val);
|
|
if (val < 0.0f) val = 0.0f;
|
|
if (val > 1.0f) val = 1.0f;
|
|
return val;
|
|
}
|
|
|
|
static float nsvg__parseMiterLimit(const char* str)
|
|
{
|
|
float val = 0;
|
|
// sscanf(str, "%f", &val);
|
|
AsciiStrToFloat(str, NULL, &val);
|
|
if (val < 0.0f) val = 0.0f;
|
|
return val;
|
|
}
|
|
|
|
static int nsvg__parseUnits(const char* units)
|
|
{
|
|
if (!units || units[0] == '\0') {
|
|
return NSVG_UNITS_USER;
|
|
}
|
|
if (units[0] == 'p' && units[1] == 'x')
|
|
return NSVG_UNITS_PX;
|
|
else if (units[0] == 'p' && units[1] == 't')
|
|
return NSVG_UNITS_PT;
|
|
else if (units[0] == 'p' && units[1] == 'c')
|
|
return NSVG_UNITS_PC;
|
|
else if (units[0] == 'm' && units[1] == 'm')
|
|
return NSVG_UNITS_MM;
|
|
else if (units[0] == 'c' && units[1] == 'm')
|
|
return NSVG_UNITS_CM;
|
|
else if (units[0] == 'i' && units[1] == 'n')
|
|
return NSVG_UNITS_IN;
|
|
else if (units[0] == '%')
|
|
return NSVG_UNITS_PERCENT;
|
|
else if (units[0] == 'e' && units[1] == 'm')
|
|
return NSVG_UNITS_EM;
|
|
else if (units[0] == 'e' && units[1] == 'x')
|
|
return NSVG_UNITS_EX;
|
|
return NSVG_UNITS_USER;
|
|
}
|
|
|
|
static int nsvg__isCoordinate(const char* s)
|
|
{
|
|
// optional sign
|
|
if (*s == '-' || *s == '+')
|
|
s++;
|
|
// must have at least one digit, or start by a dot
|
|
return (nsvg__isdigit(*s) || *s == '.');
|
|
}
|
|
|
|
static NSVGcoordinate nsvg__parseCoordinateRaw(const char* str)
|
|
{
|
|
NSVGcoordinate coord = {0, NSVG_UNITS_USER};
|
|
// char units[32]="";
|
|
char* UnitsStr = NULL;
|
|
// sscanf(str, "%f%31s", &coord.value, units);
|
|
AsciiStrToFloat(str, &UnitsStr, &coord.value);
|
|
|
|
// coord.units = nsvg__parseUnits(units);
|
|
coord.units = nsvg__parseUnits((const char*)UnitsStr);
|
|
return coord;
|
|
}
|
|
|
|
static NSVGcoordinate nsvg__coord(float v, int units)
|
|
{
|
|
NSVGcoordinate coord;
|
|
coord.value = v;
|
|
coord.units = units;
|
|
return coord;
|
|
}
|
|
|
|
static float nsvg__parseCoordinate(NSVGparser* p, const char* str, float orig, float length)
|
|
{
|
|
NSVGcoordinate coord = nsvg__parseCoordinateRaw(str);
|
|
float v = nsvg__convertToPixels(p, &coord, orig, length);
|
|
return v;
|
|
}
|
|
|
|
static int nsvg__parseTransformArgs(const char* str, float* args, int maxNa, int* na)
|
|
{
|
|
const char* end;
|
|
const char* ptr;
|
|
char it[64];
|
|
|
|
*na = 0;
|
|
ptr = str;
|
|
while (*ptr && *ptr != '(') ++ptr;
|
|
if (*ptr == 0)
|
|
return 1;
|
|
end = ptr;
|
|
while (*end && *end != ')') ++end;
|
|
if (*end == 0)
|
|
return 1;
|
|
|
|
while (ptr < end) {
|
|
if (*ptr == '-' || *ptr == '+' || *ptr == '.' || nsvg__isdigit(*ptr)) {
|
|
if (*na >= maxNa) return 0;
|
|
ptr = nsvg__parseNumber(ptr, it, 64);
|
|
args[(*na)++] = (float)nsvg__atof(it);
|
|
} else {
|
|
++ptr;
|
|
}
|
|
}
|
|
return (int)(end - str);
|
|
}
|
|
|
|
|
|
static int nsvg__parseMatrix(float* xform, const char* str)
|
|
{
|
|
float t[6];
|
|
int na = 0;
|
|
int len = nsvg__parseTransformArgs(str, t, 6, &na);
|
|
if (na != 6) return len;
|
|
memcpy(xform, t, sizeof(float)*6);
|
|
return len;
|
|
}
|
|
|
|
static int nsvg__parseTranslate(float* xform, const char* str)
|
|
{
|
|
float args[2];
|
|
float t[6];
|
|
int na = 0;
|
|
int len = nsvg__parseTransformArgs(str, args, 2, &na);
|
|
if (na == 1) args[1] = 0.0;
|
|
|
|
nsvg__xformSetTranslation(t, args[0], args[1]);
|
|
memcpy(xform, t, sizeof(float)*6);
|
|
return len;
|
|
}
|
|
|
|
static int nsvg__parseScale(float* xform, const char* str)
|
|
{
|
|
float args[2];
|
|
int na = 0;
|
|
float t[6];
|
|
int len = nsvg__parseTransformArgs(str, args, 2, &na);
|
|
if (na == 1) args[1] = args[0];
|
|
nsvg__xformSetScale(t, args[0], args[1]);
|
|
memcpy(xform, t, sizeof(float)*6);
|
|
return len;
|
|
}
|
|
|
|
static int nsvg__parseSkewX(float* xform, const char* str)
|
|
{
|
|
float args[1];
|
|
int na = 0;
|
|
float t[6];
|
|
int len = nsvg__parseTransformArgs(str, args, 1, &na);
|
|
nsvg__xformSetSkewX(t, args[0] * NSVG_PI_DEG);
|
|
memcpy(xform, t, sizeof(float)*6);
|
|
return len;
|
|
}
|
|
|
|
static int nsvg__parseSkewY(float* xform, const char* str)
|
|
{
|
|
float args[1];
|
|
int na = 0;
|
|
float t[6];
|
|
int len = nsvg__parseTransformArgs(str, args, 1, &na);
|
|
nsvg__xformSetSkewY(t, args[0] * NSVG_PI_DEG);
|
|
memcpy(xform, t, sizeof(float)*6);
|
|
return len;
|
|
}
|
|
|
|
static int nsvg__parseRotate(float* xform, const char* str)
|
|
{
|
|
float args[3];
|
|
int na = 0;
|
|
float m[6];
|
|
float t[6];
|
|
int len = nsvg__parseTransformArgs(str, args, 3, &na);
|
|
if (na == 1)
|
|
args[1] = args[2] = 0.0f;
|
|
nsvg__xformIdentity(m);
|
|
|
|
if (na > 1) {
|
|
nsvg__xformSetTranslation(t, -args[1], -args[2]);
|
|
nsvg__xformMultiply(m, t);
|
|
}
|
|
|
|
nsvg__xformSetRotation(t, args[0] * NSVG_PI_DEG);
|
|
nsvg__xformMultiply(m, t);
|
|
|
|
if (na > 1) {
|
|
nsvg__xformSetTranslation(t, args[1], args[2]);
|
|
nsvg__xformMultiply(m, t);
|
|
}
|
|
|
|
memcpy(xform, m, sizeof(float)*6);
|
|
|
|
return len;
|
|
}
|
|
|
|
static void nsvg__parseTransform(float* xform, const char* str)
|
|
{
|
|
float t[6];
|
|
int len;
|
|
nsvg__xformIdentity(xform);
|
|
|
|
while (*str)
|
|
{
|
|
if (strncmp(str, "matrix", 6) == 0)
|
|
len = nsvg__parseMatrix(t, str);
|
|
else if (strncmp(str, "translate", 9) == 0)
|
|
len = nsvg__parseTranslate(t, str);
|
|
else if (strncmp(str, "scale", 5) == 0)
|
|
len =nsvg__parseScale(t, str);
|
|
else if (strncmp(str, "rotate", 6) == 0)
|
|
len = nsvg__parseRotate(t, str);
|
|
else if (strncmp(str, "skewX", 5) == 0)
|
|
len = nsvg__parseSkewX(t, str);
|
|
else if (strncmp(str, "skewY", 5) == 0)
|
|
len = nsvg__parseSkewY(t, str);
|
|
else{
|
|
++str;
|
|
continue;
|
|
}
|
|
if (len != 0) {
|
|
str += len;
|
|
} else {
|
|
++str;
|
|
continue;
|
|
}
|
|
nsvg__xformPremultiply(xform, t);
|
|
}
|
|
}
|
|
|
|
static void nsvg__parseUrl(char* id, const char* str)
|
|
{
|
|
int i = 0;
|
|
str += 4; // "url(";
|
|
if (*str == '#')
|
|
str++;
|
|
while (i < 63 && *str != ')') {
|
|
id[i] = *str++;
|
|
i++;
|
|
}
|
|
id[i] = '\0';
|
|
}
|
|
|
|
static char nsvg__parseLineCap(const char* str)
|
|
{
|
|
if (strcmp(str, "butt") == 0)
|
|
return NSVG_CAP_BUTT;
|
|
else if (strcmp(str, "round") == 0)
|
|
return NSVG_CAP_ROUND;
|
|
else if (strcmp(str, "square") == 0)
|
|
return NSVG_CAP_SQUARE;
|
|
// TODO: handle inherit.
|
|
return NSVG_CAP_BUTT;
|
|
}
|
|
|
|
static char nsvg__parseLineJoin(const char* str)
|
|
{
|
|
if (strcmp(str, "miter") == 0)
|
|
return NSVG_JOIN_MITER;
|
|
else if (strcmp(str, "round") == 0)
|
|
return NSVG_JOIN_ROUND;
|
|
else if (strcmp(str, "bevel") == 0)
|
|
return NSVG_JOIN_BEVEL;
|
|
// TODO: handle inherit.
|
|
return NSVG_JOIN_MITER;
|
|
}
|
|
|
|
static char nsvg__parseFillRule(const char* str)
|
|
{
|
|
if (strcmp(str, "nonzero") == 0)
|
|
return NSVG_FILLRULE_NONZERO;
|
|
else if (strcmp(str, "evenodd") == 0)
|
|
return NSVG_FILLRULE_EVENODD;
|
|
// TODO: handle inherit.
|
|
return NSVG_FILLRULE_NONZERO;
|
|
}
|
|
|
|
static const char* nsvg__getNextDashItem(const char* s, char* it)
|
|
{
|
|
int n = 0;
|
|
it[0] = '\0';
|
|
// Skip white spaces and commas
|
|
while (*s && (nsvg__isspace(*s) || *s == ',')) s++;
|
|
// Advance until whitespace, comma or end.
|
|
while (*s && (!nsvg__isspace(*s) && *s != ',')) {
|
|
if (n < 63)
|
|
it[n++] = *s;
|
|
s++;
|
|
}
|
|
it[n++] = '\0';
|
|
return s;
|
|
}
|
|
|
|
static int nsvg__parseStrokeDashArray(NSVGparser* p, const char* str, float* strokeDashArray)
|
|
{
|
|
char item[64];
|
|
int count = 0, i;
|
|
float sum = 0.0f;
|
|
|
|
// Handle "none"
|
|
if (str[0] == 'n')
|
|
return 0;
|
|
|
|
// Parse dashes
|
|
while (*str) {
|
|
str = nsvg__getNextDashItem(str, item);
|
|
if (!*item) break;
|
|
if (count < NSVG_MAX_DASHES)
|
|
strokeDashArray[count++] = fabsf(nsvg__parseCoordinate(p, item, 0.0f, nsvg__actualLength(p)));
|
|
}
|
|
|
|
for (i = 0; i < count; i++)
|
|
sum += strokeDashArray[i];
|
|
if (sum <= 1e-6f)
|
|
count = 0;
|
|
|
|
return count;
|
|
}
|
|
|
|
static NSVGclipPath* nsvg__createClipPath(const char* name, int index)
|
|
{
|
|
NSVGclipPath* clipPath = (NSVGclipPath*)AllocateZeroPool(sizeof(NSVGclipPath));
|
|
if (clipPath == NULL) return NULL;
|
|
|
|
strncpy(clipPath->id, name, 63);
|
|
clipPath->id[63] = '\0';
|
|
clipPath->index = (NSVGclipPathIndex)index;
|
|
return clipPath;
|
|
}
|
|
|
|
static NSVGclipPath* nsvg__findClipPath(NSVGparser* p, const char* name)
|
|
{
|
|
int i = 0;
|
|
NSVGclipPath** link;
|
|
NSVGattrib* attr = nsvg__getAttr(p);
|
|
|
|
link = &p->image->clipPaths;
|
|
while (*link != NULL) {
|
|
if (strcmp((*link)->id, name) == 0) {
|
|
break;
|
|
}
|
|
link = &(*link)->next;
|
|
i++;
|
|
}
|
|
if (*link == NULL) {
|
|
*link = nsvg__createClipPath(name, i);
|
|
(*link)->group = attr->group;
|
|
}
|
|
return *link;
|
|
}
|
|
|
|
static int substr(const char* aClass, char* style)
|
|
{
|
|
const char *p;
|
|
|
|
while (*aClass) {
|
|
char *s = style;
|
|
p = aClass++;
|
|
while (*p++ == *s++) {
|
|
if (*s == '\0') {
|
|
if ((*p == '\0') || (*p == ' ')) {
|
|
return 1;
|
|
} else break;
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void nsvg__parseStyle(NSVGparser* p, const char* str);
|
|
|
|
static int nsvg__parseAttr(NSVGparser* p, const char* name, char* value)
|
|
{
|
|
float xform[6];
|
|
// DBG("parse Name:%s Value:%s\n", name, value);
|
|
NSVGattrib* attr = nsvg__getAttr(p);
|
|
if (!attr) return 0;
|
|
if (strcmp(name, "style") == 0) {
|
|
nsvg__parseStyle(p, value);
|
|
} else if (strcmp(name, "display") == 0) {
|
|
if (strcmp(value, "none") == 0) {
|
|
attr->visible &= ~NSVG_VIS_DISPLAY;
|
|
}
|
|
// Don't reset ->visible on display:inline, one display:none hides the whole subtree
|
|
} else if (strcmp(name, "visibility") == 0) {
|
|
if (strcmp(value, "hidden") == 0) {
|
|
attr->visible &= ~NSVG_VIS_VISIBLE;
|
|
} else if (strcmp(value, "visible") == 0) {
|
|
attr->visible |= NSVG_VIS_VISIBLE;
|
|
}
|
|
} else if (strcmp(name, "fill") == 0) {
|
|
if (strcmp(value, "none") == 0) {
|
|
attr->hasFill = 0;
|
|
} else if (strncmp(value, "url(", 4) == 0) {
|
|
if (strstr(value, "pattern")) {
|
|
attr->hasFill = 3;
|
|
} else {
|
|
attr->hasFill = 2;
|
|
}
|
|
nsvg__parseUrl(attr->fillGradient, value);
|
|
|
|
} else {
|
|
attr->hasFill = 1;
|
|
attr->fillColor = nsvg__parseColor(value);
|
|
// if the fillColor has an alpha value then use it to
|
|
// set the fillOpacity
|
|
if (attr->fillColor & 0xFF000000) {
|
|
attr->fillOpacity = (float)(((attr->fillColor >> 24) & 0xFF)) / 255.0f; // safe cast
|
|
// remove the alpha value from the color
|
|
attr->fillColor &= 0x00FFFFFF;
|
|
}
|
|
}
|
|
} else if (strcmp(name, "opacity") == 0) {
|
|
float opacity = nsvg__parseOpacity(value);
|
|
attr->opacity *= opacity;
|
|
if (attr->opacity == 0.0f) {
|
|
attr->opacity = p->opacity; //some trick for seal an image on preview
|
|
}
|
|
} else if (strcmp(name, "fill-opacity") == 0) {
|
|
attr->fillOpacity = nsvg__parseOpacity(value);
|
|
} else if (strcmp(name, "stroke") == 0) {
|
|
if (strcmp(value, "none") == 0) {
|
|
attr->hasStroke = 0;
|
|
} else if (strncmp(value, "url(", 4) == 0) {
|
|
if (strstr(value, "pattern")) {
|
|
attr->hasStroke = 3;
|
|
} else {
|
|
attr->hasStroke = 2;
|
|
}
|
|
nsvg__parseUrl(attr->strokeGradient, value);
|
|
} else {
|
|
attr->hasStroke = 1;
|
|
attr->strokeColor = nsvg__parseColor(value);
|
|
// if the strokeColor has an alpha value then use it to
|
|
// set the strokeOpacity
|
|
if (attr->strokeColor & 0xFF000000) {
|
|
attr->strokeOpacity = (float)(((attr->strokeColor >> 24) & 0xFF)) / 255.0f; // safe cast
|
|
// remove the alpha value from the color
|
|
attr->strokeColor &= 0x00FFFFFF;
|
|
}
|
|
}
|
|
} else if (strcmp(name, "stroke-width") == 0) {
|
|
attr->strokeWidth = nsvg__parseCoordinate(p, value, 0.0f, nsvg__actualLength(p));
|
|
} else if (strcmp(name, "stroke-dasharray") == 0) {
|
|
attr->strokeDashCount = nsvg__parseStrokeDashArray(p, value, attr->strokeDashArray);
|
|
} else if (strcmp(name, "stroke-dashoffset") == 0) {
|
|
attr->strokeDashOffset = nsvg__parseCoordinate(p, value, 0.0f, nsvg__actualLength(p));
|
|
} else if (strcmp(name, "stroke-opacity") == 0) {
|
|
attr->strokeOpacity = nsvg__parseOpacity(value);
|
|
} else if (strcmp(name, "stroke-linecap") == 0) {
|
|
attr->strokeLineCap = nsvg__parseLineCap(value);
|
|
} else if (strcmp(name, "stroke-linejoin") == 0) {
|
|
attr->strokeLineJoin = nsvg__parseLineJoin(value);
|
|
} else if (strcmp(name, "stroke-miterlimit") == 0) {
|
|
attr->miterLimit = nsvg__parseMiterLimit(value);
|
|
} else if (strcmp(name, "fill-rule") == 0) {
|
|
attr->fillRule = nsvg__parseFillRule(value);
|
|
} else if (strcmp(name, "font-size") == 0) {
|
|
if (!attr->fontFace) {
|
|
// DBG("font face=%d\n", sizeof(NSVGfont));
|
|
attr->fontFace = (NSVGfont*)AllocateZeroPool(sizeof(NSVGfont));
|
|
}
|
|
attr->fontFace->fontSize = nsvg__parseCoordinate(p, value, 0.0f, nsvg__actualLength(p));
|
|
} else if (strcmp(name, "clip-path") == 0) {
|
|
if (strncmp(value, "url(", 4) == 0 && attr->clipPathCount < NSVG_MAX_CLIP_PATHS) {
|
|
char clipName[64];
|
|
nsvg__parseUrl(clipName, value);
|
|
NSVGclipPath *clipPath = nsvg__findClipPath(p, clipName);
|
|
p->clipPathStack[attr->clipPathCount++] = clipPath->index;
|
|
}
|
|
} else if (strcmp(name, "stop-color") == 0) {
|
|
attr->stopColor = nsvg__parseColor(value);
|
|
} else if (strcmp(name, "stop-opacity") == 0) {
|
|
attr->stopOpacity = nsvg__parseOpacity(value);
|
|
} else if (strcmp(name, "offset") == 0) {
|
|
attr->stopOffset = nsvg__parseCoordinate(p, value, 0.0f, 1.0f);
|
|
} else if (strcmp(name, "font-family") == 0) {
|
|
if (!attr->fontFace) {
|
|
// DBG("font face=%d\n", sizeof(NSVGfont));
|
|
attr->fontFace = (NSVGfont*)AllocateZeroPool(sizeof(NSVGfont));
|
|
}
|
|
if (attr->fontFace) {
|
|
if (value[0] == 0x27) { //'
|
|
CHAR8* apo = strstr(++value, "'");
|
|
if (apo) apo[0] = '\0';
|
|
}
|
|
// DBG("reduced font-family:%s\n", value);
|
|
strncpy(attr->fontFace->fontFamily, value, 63);
|
|
attr->fontFace->fontFamily[63] = '\0';
|
|
}
|
|
} else if (strcmp(name, "font-weight") == 0) {
|
|
if (!attr->fontFace) {
|
|
attr->fontFace = (NSVGfont*)AllocateZeroPool(sizeof(NSVGfont));
|
|
}
|
|
if (attr->fontFace) {
|
|
// char* Next = 0;
|
|
float fontWeight = 0.0f;
|
|
AsciiStrToFloat(value, NULL /*&Next*/, &fontWeight);
|
|
attr->fontFace->fontWeight = fontWeight;
|
|
}
|
|
} else if (strcmp(name, "font-style") == 0) {
|
|
DBG("attr=%s value=%s\n", name, value);
|
|
if (!attr->fontFace) {
|
|
attr->fontFace = (NSVGfont*)AllocateZeroPool(sizeof(NSVGfont));
|
|
}
|
|
if (strstr(value, "italic") != NULL) {
|
|
DBG("it is italic\n");
|
|
attr->fontFace->fontStyle = 'i';
|
|
} else if (strstr(value, "bold") != NULL) {
|
|
DBG("it is bold\n");
|
|
attr->fontFace->fontStyle = 'b';
|
|
} else if (strstr(value, "light") != NULL) {
|
|
DBG("it is light\n");
|
|
attr->fontFace->fontStyle = 'l';
|
|
} else {
|
|
DBG("it is other\n");
|
|
attr->fontFace->fontStyle = 'n';
|
|
}
|
|
} else if (strcmp(name, "id") == 0) {
|
|
strncpy(attr->id, value, sizeof(attr->id)-1); // -1 or not -1, doesn't change a thing because of the next line.
|
|
attr->id[63] = '\0';
|
|
} else if (strcmp(name, "x") == 0) {
|
|
nsvg__xformSetTranslation(xform, (float)nsvg__atof(value), 0);
|
|
nsvg__xformPremultiply(attr->xform, xform);
|
|
} else if (strcmp(name, "y") == 0) {
|
|
nsvg__xformSetTranslation(xform, 0, (float)nsvg__atof(value));
|
|
nsvg__xformPremultiply(attr->xform, xform);
|
|
} else if (strcmp(name, "transform") == 0) {
|
|
nsvg__parseTransform(xform, value);
|
|
nsvg__xformPremultiply(attr->xform, xform);
|
|
}
|
|
else if (strcmp(name, "class") == 0) {
|
|
NSVGstyles* style = p->styles;
|
|
while (style) {
|
|
if (substr(value, style->name) != 0) {
|
|
nsvg__parseStyle(p, style->description);
|
|
}
|
|
style = style->next;
|
|
}
|
|
}
|
|
else {
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static int nsvg__parseNameValue(NSVGparser* p, const char* start, const char* end)
|
|
{
|
|
const char* str;
|
|
const char* val;
|
|
char name[512];
|
|
char value[512];
|
|
int n;
|
|
|
|
str = start;
|
|
while (str < end && *str != ':') ++str;
|
|
|
|
val = str;
|
|
|
|
// Right Trim
|
|
while (str > start && (*str == ':' || nsvg__isspace(*str))) --str;
|
|
++str;
|
|
|
|
n = (int)(str - start);
|
|
if (n > 511) n = 511;
|
|
if (n) memcpy(name, start, n);
|
|
name[n] = 0;
|
|
|
|
while (val < end && (*val == ':' || nsvg__isspace(*val))) ++val;
|
|
|
|
n = (int)(end - val);
|
|
if (n > 511) n = 511;
|
|
if (n) memcpy(value, val, n);
|
|
value[n] = 0;
|
|
|
|
n = nsvg__parseAttr(p, name, value);
|
|
return n;
|
|
}
|
|
|
|
static void nsvg__parseStyle(NSVGparser* p, const char* str)
|
|
{
|
|
const char* start;
|
|
const char* end;
|
|
|
|
if (str == NULL) return;
|
|
|
|
while (*str) {
|
|
// Left Trim
|
|
while(*str && nsvg__isspace(*str)) ++str;
|
|
start = str;
|
|
while(*str && *str != ';') ++str;
|
|
end = str;
|
|
|
|
// Right Trim
|
|
while (end > start && (*end == ';' || nsvg__isspace(*end))) --end;
|
|
++end;
|
|
nsvg__parseNameValue(p, start, end);
|
|
if (*str) ++str;
|
|
}
|
|
}
|
|
/*
|
|
static void nsvg__parseAttribs(NSVGparser* p, const char** dict)
|
|
{
|
|
int i;
|
|
for (i = 0; dict[i]; i += 2)
|
|
{
|
|
if (strcmp(dict[i], "style") == 0)
|
|
nsvg__parseStyle(p, dict[i + 1]);
|
|
else {
|
|
nsvg__parseAttr(p, dict[i], dict[i + 1]);
|
|
}
|
|
}
|
|
}
|
|
*/
|
|
static int nsvg__getArgsPerElement(char cmd)
|
|
{
|
|
switch (cmd) {
|
|
case 'v':
|
|
case 'V':
|
|
case 'h':
|
|
case 'H':
|
|
return 1;
|
|
case 'm':
|
|
case 'M':
|
|
case 'l':
|
|
case 'L':
|
|
case 't':
|
|
case 'T':
|
|
return 2;
|
|
case 'q':
|
|
case 'Q':
|
|
case 's':
|
|
case 'S':
|
|
return 4;
|
|
case 'c':
|
|
case 'C':
|
|
return 6;
|
|
case 'a':
|
|
case 'A':
|
|
return 7;
|
|
case 'z':
|
|
case 'Z':
|
|
return 0;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
static void nsvg__pathMoveTo(NSVGparser* p, float* cpx, float* cpy, float* args, int rel)
|
|
{
|
|
if (rel) {
|
|
*cpx += args[0];
|
|
*cpy += args[1];
|
|
} else {
|
|
*cpx = args[0];
|
|
*cpy = args[1];
|
|
}
|
|
nsvg__moveTo(p, *cpx, *cpy);
|
|
}
|
|
|
|
static void nsvg__pathLineTo(NSVGparser* p, float* cpx, float* cpy, float* args, int rel)
|
|
{
|
|
if (rel) {
|
|
*cpx += args[0];
|
|
*cpy += args[1];
|
|
} else {
|
|
*cpx = args[0];
|
|
*cpy = args[1];
|
|
}
|
|
nsvg__lineTo(p, *cpx, *cpy);
|
|
}
|
|
|
|
static void nsvg__pathHLineTo(NSVGparser* p, float* cpx, float* cpy, float* args, int rel)
|
|
{
|
|
if (rel)
|
|
*cpx += args[0];
|
|
else
|
|
*cpx = args[0];
|
|
nsvg__lineTo(p, *cpx, *cpy);
|
|
}
|
|
|
|
static void nsvg__pathVLineTo(NSVGparser* p, float* cpx, float* cpy, float* args, int rel)
|
|
{
|
|
if (rel)
|
|
*cpy += args[0];
|
|
else
|
|
*cpy = args[0];
|
|
nsvg__lineTo(p, *cpx, *cpy);
|
|
}
|
|
|
|
static void nsvg__pathCubicBezTo(NSVGparser* p, float* cpx, float* cpy,
|
|
float* cpx2, float* cpy2, float* args, int rel)
|
|
{
|
|
float x2, y2, cx1, cy1, cx2, cy2;
|
|
|
|
if (rel) {
|
|
cx1 = *cpx + args[0];
|
|
cy1 = *cpy + args[1];
|
|
cx2 = *cpx + args[2];
|
|
cy2 = *cpy + args[3];
|
|
x2 = *cpx + args[4];
|
|
y2 = *cpy + args[5];
|
|
} else {
|
|
cx1 = args[0];
|
|
cy1 = args[1];
|
|
cx2 = args[2];
|
|
cy2 = args[3];
|
|
x2 = args[4];
|
|
y2 = args[5];
|
|
}
|
|
|
|
nsvg__cubicBezTo(p, cx1,cy1, cx2,cy2, x2,y2);
|
|
|
|
*cpx2 = cx2;
|
|
*cpy2 = cy2;
|
|
*cpx = x2;
|
|
*cpy = y2;
|
|
}
|
|
|
|
static void nsvg__pathCubicBezShortTo(NSVGparser* p, float* cpx, float* cpy,
|
|
float* cpx2, float* cpy2, float* args, int rel)
|
|
{
|
|
float x1, y1, x2, y2, cx1, cy1, cx2, cy2;
|
|
|
|
x1 = *cpx;
|
|
y1 = *cpy;
|
|
if (rel) {
|
|
cx2 = *cpx + args[0];
|
|
cy2 = *cpy + args[1];
|
|
x2 = *cpx + args[2];
|
|
y2 = *cpy + args[3];
|
|
} else {
|
|
cx2 = args[0];
|
|
cy2 = args[1];
|
|
x2 = args[2];
|
|
y2 = args[3];
|
|
}
|
|
|
|
cx1 = 2*x1 - *cpx2;
|
|
cy1 = 2*y1 - *cpy2;
|
|
|
|
nsvg__cubicBezTo(p, cx1,cy1, cx2,cy2, x2,y2);
|
|
|
|
*cpx2 = cx2;
|
|
*cpy2 = cy2;
|
|
*cpx = x2;
|
|
*cpy = y2;
|
|
}
|
|
|
|
static void nsvg__pathQuadBezTo(NSVGparser* p, float* cpx, float* cpy,
|
|
float* cpx2, float* cpy2, float* args, int rel)
|
|
{
|
|
float x1, y1, x2, y2, cx, cy;
|
|
float cx1, cy1, cx2, cy2;
|
|
|
|
x1 = *cpx;
|
|
y1 = *cpy;
|
|
if (rel) {
|
|
cx = *cpx + args[0];
|
|
cy = *cpy + args[1];
|
|
x2 = *cpx + args[2];
|
|
y2 = *cpy + args[3];
|
|
} else {
|
|
cx = args[0];
|
|
cy = args[1];
|
|
x2 = args[2];
|
|
y2 = args[3];
|
|
}
|
|
|
|
// Convert to cubic bezier
|
|
cx1 = x1 + 2.0f/3.0f*(cx - x1);
|
|
cy1 = y1 + 2.0f/3.0f*(cy - y1);
|
|
cx2 = x2 + 2.0f/3.0f*(cx - x2);
|
|
cy2 = y2 + 2.0f/3.0f*(cy - y2);
|
|
|
|
nsvg__cubicBezTo(p, cx1,cy1, cx2,cy2, x2,y2);
|
|
|
|
*cpx2 = cx;
|
|
*cpy2 = cy;
|
|
*cpx = x2;
|
|
*cpy = y2;
|
|
}
|
|
|
|
static void nsvg__pathQuadBezShortTo(NSVGparser* p, float* cpx, float* cpy,
|
|
float* cpx2, float* cpy2, float* args, int rel)
|
|
{
|
|
float x1, y1, x2, y2, cx, cy;
|
|
float cx1, cy1, cx2, cy2;
|
|
|
|
x1 = *cpx;
|
|
y1 = *cpy;
|
|
if (rel) {
|
|
x2 = *cpx + args[0];
|
|
y2 = *cpy + args[1];
|
|
} else {
|
|
x2 = args[0];
|
|
y2 = args[1];
|
|
}
|
|
|
|
cx = 2*x1 - *cpx2;
|
|
cy = 2*y1 - *cpy2;
|
|
|
|
// Convert to cubix bezier
|
|
cx1 = x1 + 2.0f/3.0f*(cx - x1);
|
|
cy1 = y1 + 2.0f/3.0f*(cy - y1);
|
|
cx2 = x2 + 2.0f/3.0f*(cx - x2);
|
|
cy2 = y2 + 2.0f/3.0f*(cy - y2);
|
|
|
|
nsvg__cubicBezTo(p, cx1,cy1, cx2,cy2, x2,y2);
|
|
|
|
*cpx2 = cx;
|
|
*cpy2 = cy;
|
|
*cpx = x2;
|
|
*cpy = y2;
|
|
}
|
|
|
|
static void nsvg__pathArcTo(NSVGparser* p, float* cpx, float* cpy, float* args, int rel)
|
|
{
|
|
// Ported from canvg (https://code.google.com/p/canvg/)
|
|
float rx, ry, rotx;
|
|
float x1, y1, x2, y2, cx, cy, dx, dy, d;
|
|
float x1p, y1p, cxp, cyp, s, sa, sb;
|
|
float ux, uy, vx, vy, a1, da;
|
|
float x, y, tanx, tany, a, px = 0, py = 0, ptanx = 0, ptany = 0, t[6];
|
|
float sinrx, cosrx;
|
|
int fa, fs;
|
|
int i, ndivs;
|
|
float hda, kappa;
|
|
|
|
rx = fabsf(args[0]); // y radius
|
|
ry = fabsf(args[1]); // x radius
|
|
rotx = args[2] * NSVG_PI_DEG; // x rotation angle
|
|
fa = fabsf(args[3]) > 1e-6 ? 1 : 0; // Large arc
|
|
fs = fabsf(args[4]) > 1e-6 ? 1 : 0; // Sweep direction
|
|
x1 = *cpx; // start point
|
|
y1 = *cpy;
|
|
if (rel) { // end point
|
|
x2 = *cpx + args[5];
|
|
y2 = *cpy + args[6];
|
|
} else {
|
|
x2 = args[5];
|
|
y2 = args[6];
|
|
}
|
|
dx = x1 - x2;
|
|
dy = y1 - y2;
|
|
// d = sqrtf(dx*dx + dy*dy);
|
|
d = nsvg__vmag(dx, dy);
|
|
if (d < 1e-6f || rx < 1e-6f || ry < 1e-6f) {
|
|
// The arc degenerates to a line
|
|
nsvg__lineTo(p, x2, y2);
|
|
*cpx = x2;
|
|
*cpy = y2;
|
|
return;
|
|
}
|
|
|
|
sinrx = sinf(rotx);
|
|
cosrx = cosf(rotx);
|
|
|
|
// Convert to center point parameterization.
|
|
// http://www.w3.org/TR/SVG11/implnote.html#ArcImplementationNotes
|
|
// 1) Compute x1', y1'
|
|
x1p = cosrx * dx / 2.0f + sinrx * dy / 2.0f;
|
|
y1p = -sinrx * dx / 2.0f + cosrx * dy / 2.0f;
|
|
d = nsvg__sqr(x1p)/nsvg__sqr(rx) + nsvg__sqr(y1p)/nsvg__sqr(ry);
|
|
if (d > 1) {
|
|
d = sqrtf(d);
|
|
rx *= d;
|
|
ry *= d;
|
|
}
|
|
// 2) Compute cx', cy'
|
|
s = 0.0f;
|
|
sa = nsvg__sqr(rx)*nsvg__sqr(ry) - nsvg__sqr(rx)*nsvg__sqr(y1p) - nsvg__sqr(ry)*nsvg__sqr(x1p);
|
|
sb = nsvg__sqr(rx)*nsvg__sqr(y1p) + nsvg__sqr(ry)*nsvg__sqr(x1p);
|
|
if (sa < 0.0f) sa = 0.0f;
|
|
if (sb > 0.0f)
|
|
s = sqrtf(sa / sb);
|
|
if (fa == fs)
|
|
s = -s;
|
|
cxp = s * rx * y1p / ry;
|
|
cyp = s * -ry * x1p / rx;
|
|
|
|
// 3) Compute cx,cy from cx',cy'
|
|
cx = (x1 + x2)/2.0f + cosrx*cxp - sinrx*cyp;
|
|
cy = (y1 + y2)/2.0f + sinrx*cxp + cosrx*cyp;
|
|
|
|
// 4) Calculate theta1, and delta theta.
|
|
ux = (x1p - cxp) / rx;
|
|
uy = (y1p - cyp) / ry;
|
|
vx = (-x1p - cxp) / rx;
|
|
vy = (-y1p - cyp) / ry;
|
|
a1 = nsvg__vecang(1.0f,0.0f, ux,uy); // Initial angle
|
|
da = nsvg__vecang(ux,uy, vx,vy); // Delta angle
|
|
|
|
// if (vecrat(ux,uy,vx,vy) <= -1.0f) da = NSVG_PI;
|
|
// if (vecrat(ux,uy,vx,vy) >= 1.0f) da = 0;
|
|
|
|
if (fs == 0 && da > 0)
|
|
da -= 2 * NSVG_PI;
|
|
else if (fs == 1 && da < 0)
|
|
da += 2 * NSVG_PI;
|
|
|
|
// Approximate the arc using cubic spline segments.
|
|
t[0] = cosrx; t[1] = sinrx;
|
|
t[2] = -sinrx; t[3] = cosrx;
|
|
t[4] = cx; t[5] = cy;
|
|
|
|
// Split arc into max 90 degree segments.
|
|
// The loop assumes an iteration per end point (including start and end), this +1.
|
|
ndivs = (int)(fabsf(da) / (NSVG_PI * 0.5f) + 1.0f);
|
|
if (ndivs > 6) ndivs = 6;
|
|
hda = (da / (float)ndivs) * 0.5f;
|
|
if ((hda < 1e-3f) && (hda > -1e-3f)) hda *= 0.5f;
|
|
else hda = (1.0f - cosf(hda)) / sinf(hda);
|
|
kappa = fabsf(4.0f / 3.0f * hda);
|
|
if (da < 0.0f)
|
|
kappa = -kappa;
|
|
|
|
for (i = 0; i <= ndivs; i++) {
|
|
a = a1 + da * ((float)i/(float)ndivs);
|
|
dx = cosf(a);
|
|
dy = sinf(a);
|
|
nsvg__xformPoint(&x, &y, dx*rx, dy*ry, t); // position
|
|
nsvg__xformVec(&tanx, &tany, -dy*rx * kappa, dx*ry * kappa, t); // tangent
|
|
if (i > 0)
|
|
nsvg__cubicBezTo(p, px+ptanx,py+ptany, x-tanx, y-tany, x, y);
|
|
px = x;
|
|
py = y;
|
|
ptanx = tanx;
|
|
ptany = tany;
|
|
}
|
|
|
|
*cpx = x2;
|
|
*cpy = y2;
|
|
}
|
|
|
|
static void nsvg__parsePath(NSVGparser* p, char** attr)
|
|
{
|
|
const char* s = NULL;
|
|
char cmd = '\0';
|
|
float args[30];
|
|
int nargs;
|
|
int rargs = 0;
|
|
char initPoint;
|
|
float cpx, cpy, cpx2, cpy2;
|
|
// const char* tmp[4];
|
|
char closedFlag;
|
|
int i;
|
|
char item[kMaxIDLength];
|
|
|
|
for (i = 0; attr[i]; i += 2) {
|
|
if (strcmp(attr[i], "d") == 0) {
|
|
s = attr[i + 1];
|
|
} else {
|
|
nsvg__parseAttr(p, attr[i], attr[i + 1]);
|
|
}
|
|
}
|
|
|
|
if (s) {
|
|
nsvg__resetPath(p);
|
|
cpx = 0; cpy = 0;
|
|
cpx2 = 0; cpy2 = 0;
|
|
initPoint = 0;
|
|
closedFlag = 0;
|
|
nargs = 0;
|
|
while (*s) {
|
|
item[0] = '\0';
|
|
if ((cmd == 'A' || cmd == 'a') && (nargs == 3 || nargs == 4))
|
|
s = nsvg__getNextPathItemWhenArcFlag(s, item);
|
|
if (!*item)
|
|
s = nsvg__getNextPathItem(s, item);
|
|
|
|
if (!*item) break;
|
|
if (cmd != '\0' && nsvg__isCoordinate(item)) {
|
|
if (nargs < 30) {
|
|
float x = (float)nsvg__atof(item);
|
|
args[nargs++] = x;
|
|
}
|
|
if (nargs >= rargs) {
|
|
switch (cmd) {
|
|
case 'm':
|
|
case 'M':
|
|
nsvg__pathMoveTo(p, &cpx, &cpy, args, cmd == 'm' ? 1 : 0);
|
|
// Moveto can be followed by multiple coordinate pairs,
|
|
// which should be treated as linetos.
|
|
cmd = (cmd == 'm') ? 'l' : 'L';
|
|
rargs = nsvg__getArgsPerElement(cmd);
|
|
cpx2 = cpx; cpy2 = cpy;
|
|
initPoint = 1;
|
|
break;
|
|
case 'l':
|
|
case 'L':
|
|
nsvg__pathLineTo(p, &cpx, &cpy, args, cmd == 'l' ? 1 : 0);
|
|
cpx2 = cpx; cpy2 = cpy;
|
|
break;
|
|
case 'H':
|
|
case 'h':
|
|
nsvg__pathHLineTo(p, &cpx, &cpy, args, cmd == 'h' ? 1 : 0);
|
|
cpx2 = cpx; cpy2 = cpy;
|
|
break;
|
|
case 'V':
|
|
case 'v':
|
|
nsvg__pathVLineTo(p, &cpx, &cpy, args, cmd == 'v' ? 1 : 0);
|
|
cpx2 = cpx; cpy2 = cpy;
|
|
break;
|
|
case 'C':
|
|
case 'c':
|
|
nsvg__pathCubicBezTo(p, &cpx, &cpy, &cpx2, &cpy2, args, cmd == 'c' ? 1 : 0);
|
|
break;
|
|
case 'S':
|
|
case 's':
|
|
nsvg__pathCubicBezShortTo(p, &cpx, &cpy, &cpx2, &cpy2, args, cmd == 's' ? 1 : 0);
|
|
break;
|
|
case 'Q':
|
|
case 'q':
|
|
nsvg__pathQuadBezTo(p, &cpx, &cpy, &cpx2, &cpy2, args, cmd == 'q' ? 1 : 0);
|
|
break;
|
|
case 'T':
|
|
case 't':
|
|
nsvg__pathQuadBezShortTo(p, &cpx, &cpy, &cpx2, &cpy2, args, cmd == 't' ? 1 : 0);
|
|
break;
|
|
case 'A':
|
|
case 'a':
|
|
nsvg__pathArcTo(p, &cpx, &cpy, args, cmd == 'a' ? 1 : 0);
|
|
cpx2 = cpx; cpy2 = cpy;
|
|
break;
|
|
default:
|
|
if (nargs >= 2) {
|
|
cpx = args[nargs-2];
|
|
cpy = args[nargs-1];
|
|
cpx2 = cpx; cpy2 = cpy;
|
|
}
|
|
break;
|
|
}
|
|
nargs = 0;
|
|
}
|
|
} else {
|
|
|
|
cmd = item[0];
|
|
// rargs = nsvg__getArgsPerElement(cmd);
|
|
if (cmd == 'M' || cmd == 'm') {
|
|
if (p->npts > 0)
|
|
nsvg__addPath(p, closedFlag);
|
|
// Start new subpath.
|
|
nsvg__resetPath(p);
|
|
closedFlag = 0;
|
|
nargs = 0;
|
|
} else if (initPoint == 0) {
|
|
// Do not allow other commands until initial point has been set (moveTo called once).
|
|
cmd = '\0';
|
|
}
|
|
if (cmd == 'Z' || cmd == 'z') {
|
|
closedFlag = 1;
|
|
// Commit path.
|
|
// DBG("commit path, npts=%d\n", p->npts);
|
|
if (p->npts > 0) {
|
|
// Move current point to first point
|
|
cpx = p->pts[0];
|
|
cpy = p->pts[1];
|
|
cpx2 = cpx; cpy2 = cpy;
|
|
nsvg__addPath(p, closedFlag);
|
|
}
|
|
// Start new subpath.
|
|
nsvg__resetPath(p);
|
|
nsvg__moveTo(p, cpx, cpy);
|
|
closedFlag = 0;
|
|
nargs = 0;
|
|
}
|
|
rargs = nsvg__getArgsPerElement(cmd);
|
|
if (rargs == -1) {
|
|
// Command not recognized
|
|
cmd = '\0';
|
|
rargs = 0;
|
|
}
|
|
}
|
|
}
|
|
// Commit path.
|
|
if (p->npts)
|
|
nsvg__addPath(p, closedFlag);
|
|
}
|
|
}
|
|
|
|
static void nsvg__parseRect(NSVGparser* p, char** attr)
|
|
{
|
|
float x = 0.0f;
|
|
float y = 0.0f;
|
|
float w = 0.0f;
|
|
float h = 0.0f;
|
|
float rx = -1.0f; // marks not set
|
|
float ry = -1.0f;
|
|
int i;
|
|
|
|
for (i = 0; attr[i]; i += 2) {
|
|
if (strcmp(attr[i], "x") == 0) x = nsvg__parseCoordinate(p, attr[i+1], nsvg__actualOrigX(p), nsvg__actualWidth(p));
|
|
else if (strcmp(attr[i], "y") == 0) y = nsvg__parseCoordinate(p, attr[i+1], nsvg__actualOrigY(p), nsvg__actualHeight(p));
|
|
else if (strcmp(attr[i], "width") == 0) w = nsvg__parseCoordinate(p, attr[i+1], 0.0f, nsvg__actualWidth(p));
|
|
else if (strcmp(attr[i], "height") == 0) h = nsvg__parseCoordinate(p, attr[i+1], 0.0f, nsvg__actualHeight(p));
|
|
else if (strcmp(attr[i], "rx") == 0) rx = fabsf(nsvg__parseCoordinate(p, attr[i+1], 0.0f, nsvg__actualWidth(p)));
|
|
else if (strcmp(attr[i], "ry") == 0) ry = fabsf(nsvg__parseCoordinate(p, attr[i+1], 0.0f, nsvg__actualHeight(p)));
|
|
else nsvg__parseAttr(p, attr[i], attr[i + 1]);
|
|
}
|
|
|
|
if (rx < 0.0f && ry > 0.0f) rx = ry;
|
|
if (ry < 0.0f && rx > 0.0f) ry = rx;
|
|
if (rx < 0.0f) rx = 0.0f;
|
|
if (ry < 0.0f) ry = 0.0f;
|
|
if (rx > w/2.0f) rx = w/2.0f;
|
|
if (ry > h/2.0f) ry = h/2.0f;
|
|
|
|
if (w != 0.0f && h != 0.0f) {
|
|
nsvg__resetPath(p);
|
|
|
|
if (rx < 0.00001f || ry < 0.0001f) {
|
|
nsvg__moveTo(p, x, y);
|
|
nsvg__lineTo(p, x+w, y);
|
|
nsvg__lineTo(p, x+w, y+h);
|
|
nsvg__lineTo(p, x, y+h);
|
|
} else {
|
|
// Rounded rectangle
|
|
nsvg__moveTo(p, x+rx, y);
|
|
nsvg__lineTo(p, x+w-rx, y);
|
|
nsvg__cubicBezTo(p, x+w-rx*(1-NSVG_KAPPA90), y, x+w, y+ry*(1-NSVG_KAPPA90), x+w, y+ry);
|
|
nsvg__lineTo(p, x+w, y+h-ry);
|
|
nsvg__cubicBezTo(p, x+w, y+h-ry*(1-NSVG_KAPPA90), x+w-rx*(1-NSVG_KAPPA90), y+h, x+w-rx, y+h);
|
|
nsvg__lineTo(p, x+rx, y+h);
|
|
nsvg__cubicBezTo(p, x+rx*(1-NSVG_KAPPA90), y+h, x, y+h-ry*(1-NSVG_KAPPA90), x, y+h-ry);
|
|
nsvg__lineTo(p, x, y+ry);
|
|
nsvg__cubicBezTo(p, x, y+ry*(1-NSVG_KAPPA90), x+rx*(1-NSVG_KAPPA90), y, x+rx, y);
|
|
}
|
|
nsvg__addPath(p, 1);
|
|
nsvg__addShape(p);
|
|
}
|
|
}
|
|
|
|
static void nsvg__parseUse(NSVGparser* p, char** dict)
|
|
{
|
|
NSVGattrib* attr = nsvg__getAttr(p);
|
|
NSVGshape* shape = NULL;
|
|
NSVGshape* ref = NULL;
|
|
NSVGsymbol* refSym = NULL;
|
|
int i;
|
|
|
|
float x = 0.0f;
|
|
float y = 0.0f;
|
|
float xform[6];
|
|
|
|
for (i = 0; dict[i]; i += 2) {
|
|
if (strcmp(dict[i], "x") == 0) {
|
|
x = nsvg__parseCoordinate(p, dict[i+1], nsvg__actualOrigX(p), nsvg__actualWidth(p));
|
|
} else if (strcmp(dict[i], "y") == 0) {
|
|
y = nsvg__parseCoordinate(p, dict[i+1], nsvg__actualOrigY(p), nsvg__actualHeight(p));
|
|
} else if (strcmp(dict[i], "xlink:href") == 0) {
|
|
const char *href = dict[i+1];
|
|
refSym = p->symbols;
|
|
while (refSym) {
|
|
if (strcmp(refSym->id, href+1) == 0)
|
|
break;
|
|
refSym = refSym->next;
|
|
}
|
|
if (!refSym) {
|
|
ref = p->image->shapes;
|
|
while (ref) {
|
|
if (strcmp(ref->id, href+1) == 0)
|
|
break;
|
|
ref = ref->next;
|
|
}
|
|
}
|
|
if (!ref && !refSym) {
|
|
return; // use without ref
|
|
}
|
|
} else {
|
|
nsvg__parseAttr(p, dict[i], dict[i + 1]);
|
|
}
|
|
}
|
|
|
|
if (refSym) {
|
|
x -= refSym->viewBox[0];
|
|
y -= refSym->viewBox[1];
|
|
} else if (ref) {
|
|
x -= ref->bounds[0];
|
|
y -= ref->bounds[1];
|
|
}
|
|
|
|
nsvg__xformSetTranslation(&xform[0], x, y);
|
|
nsvg__xformMultiply(&xform[0], attr->xform); //translate before rotate
|
|
// DumpFloat2("use xform", xform, 6);
|
|
|
|
if (ref) {
|
|
shape = (NSVGshape*)AllocateCopyPool(sizeof(NSVGshape), ref);
|
|
if (!shape) return;
|
|
memcpy(shape->xform, &xform[0], sizeof(float)*6);
|
|
shape->isSymbol = false;
|
|
shape->link = ref;
|
|
shape->group = attr->group;
|
|
AsciiStrCatS(shape->id, 64, "_lnk");
|
|
shape->bounds[0] = FLT_MAX;
|
|
shape->bounds[1] = FLT_MAX;
|
|
shape->bounds[2] = -FLT_MAX;
|
|
shape->bounds[3] = -FLT_MAX;
|
|
takeXformBounds(ref, &xform[0], shape->bounds);
|
|
// DumpFloat2("used shape has bounds", shape->bounds, 4);
|
|
} else if (refSym) {
|
|
shape = (NSVGshape*)AllocateZeroPool(sizeof(NSVGshape));
|
|
if (!shape) return;
|
|
memcpy(shape->xform, xform, sizeof(float)*6);
|
|
// nsvg__xformMultiply(shape->xform, &xform[0]);
|
|
shape->isSymbol = true;
|
|
shape->link = refSym->shapes;
|
|
shape->group = attr->group;
|
|
AsciiStrCpyS(shape->id, 64, attr->id);
|
|
shape->bounds[0] = FLT_MAX;
|
|
shape->bounds[1] = FLT_MAX;
|
|
shape->bounds[2] = -FLT_MAX;
|
|
shape->bounds[3] = -FLT_MAX;
|
|
NSVGshape* shapeInt = refSym->shapes;
|
|
float xform2[6];
|
|
while (shapeInt) {
|
|
memcpy(&xform2[0], shape->xform, sizeof(float)*6);
|
|
nsvg__xformPremultiply(&xform2[0], shapeInt->xform);
|
|
takeXformBounds(shapeInt, &xform2[0], shape->bounds);
|
|
shapeInt = shapeInt->next;
|
|
}
|
|
// DumpFloat2("used symbol has bounds", shape->bounds, 4);
|
|
}
|
|
|
|
/* //there can't be own gradient
|
|
// DBG("paint type=%d\n", shape->fill.type);
|
|
if (shape->fill.type == NSVG_PAINT_GRADIENT_LINK) {
|
|
shape->fill.gradientLink = nsvg__createGradientLink(ref->fill.gradientLink->id);
|
|
}
|
|
|
|
if (shape->stroke.type == NSVG_PAINT_GRADIENT_LINK) {
|
|
shape->stroke.gradientLink = nsvg__createGradientLink(ref->stroke.gradientLink->id);
|
|
}
|
|
*/
|
|
|
|
shape->next = NULL;
|
|
shape->flags = NSVG_VIS_DISPLAY | NSVG_VIS_VISIBLE; //use always visible
|
|
|
|
// Add to tail
|
|
if (p->image->shapes == NULL)
|
|
p->image->shapes = shape;
|
|
else
|
|
p->shapesTail->next = shape;
|
|
p->shapesTail = shape;
|
|
|
|
}
|
|
|
|
|
|
static void nsvg__parseTextSpan(NSVGparser* p, char** dict)
|
|
{
|
|
NSVGattrib* attr = nsvg__getAttr(p);
|
|
NSVGtext* text = p->text;
|
|
float x = 0.f, y = 0.f, r = 0.f;
|
|
int i;
|
|
DBG("parse textSpan\n");
|
|
//there should be text->next with own attribs
|
|
for (i = 0; dict[i]; i += 2) {
|
|
if (strcmp(dict[i], "x") == 0) {
|
|
x = nsvg__parseCoordinate(p, dict[i+1], nsvg__actualOrigX(p), nsvg__actualWidth(p));
|
|
text->x = x;
|
|
// DBG("span posX=%f\n", x);
|
|
} else if (strcmp(dict[i], "y") == 0) {
|
|
y = nsvg__parseCoordinate(p, dict[i+1], nsvg__actualOrigY(p), nsvg__actualHeight(p));
|
|
text->y = y;
|
|
// DBG("span posY=%f\n", y);
|
|
} else if (strcmp(dict[i], "font-size") == 0) {
|
|
r = nsvg__parseCoordinate(p, dict[i+1], 0.0f, nsvg__actualHeight(p));
|
|
text->fontSize = r;
|
|
// DBG("span fontSize=%f from=%s\n", r, dict[i+1]);
|
|
} else if (strcmp(dict[i], "font-style") == 0) {
|
|
// DBG("span: attr=%s value=%s\n", dict[i], dict[i+1]);
|
|
if (strstr(dict[i+1], "italic") != NULL) {
|
|
text->fontStyle = 'i';
|
|
} else if (strstr(dict[i+1], "bold") != NULL) {
|
|
text->fontStyle = 'b';
|
|
} else if (strstr(dict[i + 1], "light") != NULL) {
|
|
text->fontStyle = 'l';
|
|
} else {
|
|
text->fontStyle = 'n';
|
|
}
|
|
} else {
|
|
nsvg__parseAttr(p, dict[i], dict[i + 1]);
|
|
}
|
|
}
|
|
if (attr->fontFace) {
|
|
text->fontFace = attr->fontFace;
|
|
}
|
|
if (attr->hasFill == 1) {
|
|
text->fontColor = attr->fillColor | ((int)(attr->fillOpacity * 255.f) << 24);
|
|
}
|
|
if (attr->hasStroke == 1) {
|
|
text->strokeColor = attr->strokeColor | ((int)(attr->strokeOpacity * 255.f) << 24);
|
|
text->strokeWidth = attr->strokeWidth;
|
|
}
|
|
if (text->fontStyle < 0x30) {
|
|
text->fontStyle = 'n';
|
|
}
|
|
}
|
|
|
|
//static int once = 0;
|
|
//static int once2 = 0;
|
|
|
|
static void nsvg__parseText(NSVGparser* p, char** dict)
|
|
{
|
|
float x = 0.0f;
|
|
float y = 0.0f;
|
|
//float r = 0.0f;
|
|
// float xform[6];
|
|
|
|
NSVGattrib* attr = nsvg__getAttr(p);
|
|
|
|
int i;
|
|
DBG("text found\n");
|
|
NSVGtext* text = (NSVGtext*)AllocateZeroPool(sizeof(NSVGtext));
|
|
if (!text) {
|
|
return;
|
|
}
|
|
text->group = attr->group;
|
|
|
|
for (i = 0; dict[i]; i += 2) {
|
|
if (strcmp(dict[i], "x") == 0) {
|
|
x = nsvg__parseCoordinate(p, dict[i+1], nsvg__actualOrigX(p), nsvg__actualWidth(p));
|
|
} else if (strcmp(dict[i], "y") == 0) {
|
|
y = nsvg__parseCoordinate(p, dict[i+1], nsvg__actualOrigY(p), nsvg__actualHeight(p));
|
|
} else {
|
|
// DBG("%d: attr=%s value=%s\n", i, dict[i], dict[i+1]);
|
|
nsvg__parseAttr(p, dict[i], dict[i + 1]);
|
|
}
|
|
}
|
|
DBG("text: x=%f y=%f attr:Style=%hhX, size=%f, id=%s\n", x, y, attr->fontFace->fontStyle, attr->fontFace->fontSize, attr->id);
|
|
text->x = x;
|
|
text->y = y;
|
|
text->fontSize = attr->fontFace->fontSize;
|
|
text->fontStyle = attr->fontFace->fontStyle;
|
|
memcpy(text->id, attr->id, kMaxIDLength);
|
|
text->fontFace = attr->fontFace;
|
|
if (attr->hasFill == 1) {
|
|
text->fontColor = attr->fillColor | ((int)(attr->fillOpacity * 255.f) << 24);
|
|
}
|
|
if (attr->hasStroke == 1) {
|
|
text->strokeColor = attr->strokeColor | ((int)(attr->strokeOpacity * 255.f) << 24);
|
|
text->strokeWidth = attr->strokeWidth;
|
|
}
|
|
|
|
memcpy(text->xform, attr->xform, 6*sizeof(float));
|
|
if (text->fontStyle < 0x30) {
|
|
text->fontStyle = 'n';
|
|
}
|
|
DBG("required font %s required style=%c\n", text->fontFace->fontFamily, text->fontStyle);
|
|
//if the font is not registered then we have to load new one
|
|
NSVGfont *fontSVG = NULL;
|
|
NSVGfontChain *fontChain = fontsDB;
|
|
NSVGfontChain *fontChainSimilar = NULL;
|
|
while (fontChain) {
|
|
fontSVG = fontChain->font;
|
|
if (fontSVG) {
|
|
DBG("probe fontFamily=%s fontStyle=%c\n", fontSVG->fontFamily, fontSVG->fontStyle);
|
|
if (strcmp(fontSVG->fontFamily, text->fontFace->fontFamily) == 0) {
|
|
fontChainSimilar = fontChain;
|
|
DBG("font %s found\n", fontSVG->fontFamily);
|
|
if (fontSVG->fontStyle == text->fontStyle) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
fontChain = fontChain->next;
|
|
}
|
|
if (!fontChain && fontChainSimilar) { //font with this style is not found but we have same font with other style
|
|
// DBG("found similar font with style=%c\n", fontChainSimilar->font->fontStyle);
|
|
fontChain = fontChainSimilar;
|
|
fontSVG = fontChain->font;
|
|
}
|
|
if (!fontChain) { // font not found in the chain
|
|
//then load it
|
|
UINT8 *FileData = NULL;
|
|
UINTN FileDataLength = 0;
|
|
NSVGparser *p1 = NULL;
|
|
EFI_STATUS Status;
|
|
// DBG("required font %s not found, try to load external\n", text->fontFace->fontFamily);
|
|
XStringW FontFileName = XStringW().takeValueFrom(text->fontFace->fontFamily) + L".svg"_XSW;
|
|
// DBG(" file name =%ls\n", FontFileName.wc_str());
|
|
Status = egLoadFile(&ThemeX.getThemeDir(), FontFileName.wc_str(), &FileData, &FileDataLength);
|
|
// DBG(" font %s loaded status=%lld, %s\n", text->fontFace->fontFamily, Status, efiStrError(Status));
|
|
if (!EFI_ERROR(Status)) {
|
|
p1 = nsvgParse((CHAR8*)FileData, 72, 1.0f); //later we will free parser p1
|
|
if (!p1) {
|
|
DBG("font %s not parsed\n", text->fontFace->fontFamily);
|
|
} else {
|
|
fontSVG = fontsDB->font; //last added during parse file data
|
|
text->font = fontSVG;
|
|
}
|
|
FreePool(FileData); //after load
|
|
FileData = NULL;
|
|
} else {
|
|
DBG("set embedded font\n");
|
|
text->font = p->font; //else embedded if present which is also double fontChain
|
|
}
|
|
} else {
|
|
DBG("set found font %s\n", fontSVG->fontFamily);
|
|
text->font = fontSVG; //the font found in fontChain
|
|
}
|
|
|
|
//instead of embedded
|
|
if (fontSVG && fontSVG->glyphs) {
|
|
NSVGgroup* group = attr->group;
|
|
while (group) {
|
|
if (strcmp(group->id, "MessageRow") == 0) {
|
|
if (!textFace[1].valid) {
|
|
//here we want to set text->font as p->font if text->groupID == MessageRow
|
|
p->font = fontSVG;
|
|
p->fontSize = text->fontSize;
|
|
p->fontColor = text->fontColor;
|
|
textFace[1].font = fontSVG;
|
|
textFace[1].size = (INTN)text->fontSize;
|
|
textFace[1].color = text->fontColor;
|
|
textFace[1].valid = true;
|
|
DBG("set message->font=%s color=%X size=%f as in MessageRow\n", fontSVG->fontFamily, text->fontColor, text->fontSize);
|
|
}
|
|
break;
|
|
} else if (!ThemeX.Daylight && strcmp(group->id, "MessageRow_night") == 0) {
|
|
//replace ThemeX.Daylight settings
|
|
p->font = fontSVG;
|
|
p->fontSize = text->fontSize;
|
|
p->fontColor = text->fontColor;
|
|
textFace[1].font = fontSVG;
|
|
textFace[1].size = (INTN)text->fontSize;
|
|
textFace[1].color = text->fontColor;
|
|
textFace[1].valid = true;
|
|
DBG("set message_night->font=%s color=%X size=%f as in MessageRow\n", fontSVG->fontFamily, text->fontColor, text->fontSize);
|
|
break;
|
|
} else if (strcmp(group->id, "MenuRows") == 0) {
|
|
if (!textFace[2].valid) {
|
|
textFace[2].font = fontSVG;
|
|
textFace[2].size = (INTN)text->fontSize;
|
|
textFace[2].color = text->fontColor;
|
|
textFace[2].valid = true;
|
|
DBG("set menu->font=%s color=%X size=%f as in MenuRows\n", fontSVG->fontFamily, text->fontColor, text->fontSize);
|
|
}
|
|
break;
|
|
} else if (!ThemeX.Daylight && strcmp(group->id, "MenuRows_night") == 0) {
|
|
textFace[2].font = fontSVG;
|
|
textFace[2].size = (INTN)text->fontSize;
|
|
textFace[2].color = text->fontColor;
|
|
textFace[2].valid = true;
|
|
break;
|
|
} else if (strcmp(group->id, "HelpRows") == 0) {
|
|
if (!textFace[0].valid) {
|
|
textFace[0].font = fontSVG;
|
|
textFace[0].size = (INTN)text->fontSize;
|
|
textFace[0].color = text->fontColor;
|
|
textFace[0].valid = true;
|
|
DBG("set help->font=%s color=%X size=%f as in HelpRows\n", fontSVG->fontFamily, text->fontColor, text->fontSize);
|
|
}
|
|
break;
|
|
} else if (!ThemeX.Daylight && strstr(group->id, "HelpRows_night") != NULL) {
|
|
textFace[0].font = fontSVG;
|
|
textFace[0].size = (INTN)text->fontSize;
|
|
textFace[0].color = text->fontColor;
|
|
textFace[0].valid = true;
|
|
DBG("set help_night->font=%s color=%X size=%f as in HelpRows\n", fontSVG->fontFamily, text->fontColor, text->fontSize);
|
|
break;
|
|
}
|
|
group = group->next;
|
|
}
|
|
}
|
|
|
|
//add to head
|
|
text->next = p->text;
|
|
p->text = text;
|
|
p->isText = true;
|
|
}
|
|
|
|
static void nsvg__parseCircle(NSVGparser* p, char** attr)
|
|
{
|
|
float cx = 0.0f;
|
|
float cy = 0.0f;
|
|
float r = 0.0f;
|
|
int i;
|
|
|
|
for (i = 0; attr[i]; i += 2) {
|
|
if (!nsvg__parseAttr(p, attr[i], attr[i + 1])) {
|
|
if (strcmp(attr[i], "cx") == 0) cx = nsvg__parseCoordinate(p, attr[i+1], nsvg__actualOrigX(p), nsvg__actualWidth(p));
|
|
else if (strcmp(attr[i], "cy") == 0) cy = nsvg__parseCoordinate(p, attr[i+1], nsvg__actualOrigY(p), nsvg__actualHeight(p));
|
|
else if (strcmp(attr[i], "r") == 0) r = fabsf(nsvg__parseCoordinate(p, attr[i+1], 0.0f, nsvg__actualLength(p)));
|
|
}
|
|
}
|
|
|
|
if (r > 0.0f) {
|
|
nsvg__resetPath(p);
|
|
nsvg__moveTo(p, cx+r, cy);
|
|
nsvg__cubicBezTo(p, cx+r, cy+r*NSVG_KAPPA90, cx+r*NSVG_KAPPA90, cy+r, cx, cy+r);
|
|
nsvg__cubicBezTo(p, cx-r*NSVG_KAPPA90, cy+r, cx-r, cy+r*NSVG_KAPPA90, cx-r, cy);
|
|
nsvg__cubicBezTo(p, cx-r, cy-r*NSVG_KAPPA90, cx-r*NSVG_KAPPA90, cy-r, cx, cy-r);
|
|
nsvg__cubicBezTo(p, cx+r*NSVG_KAPPA90, cy-r, cx+r, cy-r*NSVG_KAPPA90, cx+r, cy);
|
|
nsvg__addPath(p, 1);
|
|
nsvg__addShape(p);
|
|
}
|
|
}
|
|
|
|
static void nsvg__parseEllipse(NSVGparser* p, char** attr)
|
|
{
|
|
float cx = 0.0f;
|
|
float cy = 0.0f;
|
|
float rx = 0.0f;
|
|
float ry = 0.0f;
|
|
int i;
|
|
|
|
for (i = 0; attr[i]; i += 2) {
|
|
if (!nsvg__parseAttr(p, attr[i], attr[i + 1])) {
|
|
if (strcmp(attr[i], "cx") == 0) cx = nsvg__parseCoordinate(p, attr[i+1], nsvg__actualOrigX(p), nsvg__actualWidth(p));
|
|
else if (strcmp(attr[i], "cy") == 0) cy = nsvg__parseCoordinate(p, attr[i+1], nsvg__actualOrigY(p), nsvg__actualHeight(p));
|
|
else if (strcmp(attr[i], "rx") == 0) rx = fabsf(nsvg__parseCoordinate(p, attr[i+1], 0.0f, nsvg__actualWidth(p)));
|
|
else if (strcmp(attr[i], "ry") == 0) ry = fabsf(nsvg__parseCoordinate(p, attr[i+1], 0.0f, nsvg__actualHeight(p)));
|
|
}
|
|
}
|
|
|
|
if (rx > 0.0f && ry > 0.0f) {
|
|
nsvg__resetPath(p);
|
|
nsvg__moveTo(p, cx+rx, cy);
|
|
nsvg__cubicBezTo(p, cx+rx, cy+ry*NSVG_KAPPA90, cx+rx*NSVG_KAPPA90, cy+ry, cx, cy+ry);
|
|
nsvg__cubicBezTo(p, cx-rx*NSVG_KAPPA90, cy+ry, cx-rx, cy+ry*NSVG_KAPPA90, cx-rx, cy);
|
|
nsvg__cubicBezTo(p, cx-rx, cy-ry*NSVG_KAPPA90, cx-rx*NSVG_KAPPA90, cy-ry, cx, cy-ry);
|
|
nsvg__cubicBezTo(p, cx+rx*NSVG_KAPPA90, cy-ry, cx+rx, cy-ry*NSVG_KAPPA90, cx+rx, cy);
|
|
nsvg__addPath(p, 1);
|
|
nsvg__addShape(p);
|
|
}
|
|
}
|
|
|
|
static void nsvg__parseLine(NSVGparser* p, char** attr)
|
|
{
|
|
float x1 = 0.0;
|
|
float y1 = 0.0;
|
|
float x2 = 0.0;
|
|
float y2 = 0.0;
|
|
int i;
|
|
|
|
for (i = 0; attr[i]; i += 2) {
|
|
if (!nsvg__parseAttr(p, attr[i], attr[i + 1])) {
|
|
if (strcmp(attr[i], "x1") == 0) x1 = nsvg__parseCoordinate(p, attr[i + 1], nsvg__actualOrigX(p), nsvg__actualWidth(p));
|
|
else if (strcmp(attr[i], "y1") == 0) y1 = nsvg__parseCoordinate(p, attr[i + 1], nsvg__actualOrigY(p), nsvg__actualHeight(p));
|
|
else if (strcmp(attr[i], "x2") == 0) x2 = nsvg__parseCoordinate(p, attr[i + 1], nsvg__actualOrigX(p), nsvg__actualWidth(p));
|
|
else if (strcmp(attr[i], "y2") == 0) y2 = nsvg__parseCoordinate(p, attr[i + 1], nsvg__actualOrigY(p), nsvg__actualHeight(p));
|
|
}
|
|
}
|
|
nsvg__resetPath(p);
|
|
nsvg__moveTo(p, x1, y1);
|
|
nsvg__lineTo(p, x2, y2);
|
|
nsvg__addPath(p, 0);
|
|
nsvg__addShape(p);
|
|
}
|
|
|
|
static void nsvg__parsePoly(NSVGparser* p, char** attr, int closeFlag)
|
|
{
|
|
int i;
|
|
const char* s;
|
|
float args[2];
|
|
int nargs, npts = 0;
|
|
char item[64];
|
|
|
|
nsvg__resetPath(p);
|
|
|
|
for (i = 0; attr[i]; i += 2) {
|
|
if (!nsvg__parseAttr(p, attr[i], attr[i + 1])) {
|
|
if (strcmp(attr[i], "points") == 0) {
|
|
s = attr[i + 1];
|
|
nargs = 0;
|
|
while (*s) {
|
|
s = nsvg__getNextPathItem(s, item);
|
|
args[nargs++] = (float)nsvg__atof(item);
|
|
if (nargs >= 2) {
|
|
if (npts == 0)
|
|
nsvg__moveTo(p, args[0], args[1]);
|
|
else
|
|
nsvg__lineTo(p, args[0], args[1]);
|
|
nargs = 0;
|
|
npts++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
nsvg__addPath(p, (char)closeFlag);
|
|
|
|
nsvg__addShape(p);
|
|
}
|
|
|
|
/* Slice - I dont know what it should be
|
|
static void nsvg__parseIMAGE(NSVGparser* p, const char** attr)
|
|
{
|
|
float x = 0.0f;
|
|
float y = 0.0f;
|
|
float w = 0.0f;
|
|
float h = 0.0f;
|
|
int i;
|
|
const char *href = NULL;
|
|
|
|
for (i = 0; attr[i]; i += 2) {
|
|
if (!nsvg__parseAttr(p, attr[i], attr[i + 1])) {
|
|
if (strcmp(attr[i], "x") == 0) {
|
|
x = nsvg__parseCoordinate(p, attr[i+1], nsvg__actualOrigX(p), nsvg__actualWidth(p));
|
|
} else
|
|
if (strcmp(attr[i], "y") == 0) {
|
|
y = nsvg__parseCoordinate(p, attr[i+1], nsvg__actualOrigY(p), nsvg__actualHeight(p));
|
|
} else
|
|
if (strcmp(attr[i], "width") == 0) {
|
|
w = nsvg__parseCoordinate(p, attr[i+1], 0.0f, nsvg__actualWidth(p));
|
|
} else
|
|
if (strcmp(attr[i], "height") == 0) {
|
|
h = nsvg__parseCoordinate(p, attr[i+1], 0.0f, nsvg__actualHeight(p));
|
|
} else
|
|
if (strcmp(attr[i], "xlink:href") == 0) {
|
|
href = attr[i+1];
|
|
}
|
|
}
|
|
}
|
|
|
|
if (w != 0.0f && h != 0.0f) {
|
|
nsvg__resetPath(p);
|
|
|
|
NSVGattrib* attr = nsvg__getAttr(p);
|
|
float scale = 1.0f;
|
|
NSVGshape *shape, *cur, *prev;
|
|
|
|
if (href == NULL)
|
|
return;
|
|
|
|
shape = (NSVGshape*)AllocateZeroPool(sizeof(NSVGshape));
|
|
if (shape == NULL) return;
|
|
|
|
memcpy(shape->id, attr->id, sizeof shape->id);
|
|
memcpy(shape->title, attr->title, sizeof shape->title);
|
|
// DBG("shapeID=%s\n", shape->id);
|
|
shape->group = attr->group;
|
|
scale = nsvg__getAverageScale(attr->xform);
|
|
shape->opacity = attr->opacity;
|
|
shape->image_href = href;
|
|
p->plist = NULL;
|
|
|
|
shape->bounds[0] = x;
|
|
shape->bounds[1] = y;
|
|
shape->bounds[2] = x+w;
|
|
shape->bounds[3] = y+h;
|
|
|
|
nsvg__xformIdentity(shape->xform);
|
|
|
|
// Set flags
|
|
shape->flags = (attr->visible ? NSVG_VIS_DISPLAY | NSVG_VIS_VISIBLE : 0x00);
|
|
|
|
// Add to tail
|
|
prev = NULL;
|
|
cur = p->image->shapes;
|
|
while (cur != NULL) {
|
|
prev = cur;
|
|
cur = cur->next;
|
|
}
|
|
if (prev == NULL)
|
|
p->image->shapes = shape;
|
|
else
|
|
prev->next = shape;
|
|
|
|
return;
|
|
}
|
|
}
|
|
*/
|
|
|
|
//parse embedded PNG image
|
|
static void parseImage(NSVGparser* p, char** dict)
|
|
{
|
|
// NSVGattrib* attr = nsvg__getAttr(p);
|
|
NSVGpattern *pt = NULL;
|
|
int i;
|
|
UINTN len = 0;
|
|
// float w,h;
|
|
const char *href = NULL;
|
|
UINT8 *tmpData = NULL;
|
|
// EG_IMAGE *NewImage = NULL;
|
|
XImage *NewImage = new XImage;
|
|
|
|
for (i = 0; dict[i]; i += 2) {
|
|
if (strcmp(dict[i], "width") == 0) {
|
|
/*w =*/ nsvg__parseCoordinate(p, dict[i+1], 0.0f, nsvg__actualWidth(p));
|
|
} else if (strcmp(dict[i], "height") == 0) {
|
|
/*h =*/ nsvg__parseCoordinate(p, dict[i+1], 0.0f, nsvg__actualHeight(p));
|
|
} else if (strcmp(dict[i], "xlink:href") == 0) {
|
|
href = dict[i+1];
|
|
} else {
|
|
nsvg__parseAttr(p, dict[i], dict[i + 1]);
|
|
}
|
|
}
|
|
if (!href || (strstr(href, "data:image/png;") == NULL)) {
|
|
return;
|
|
}
|
|
href = strstr(href, "base64,") + 7;
|
|
if (p->patternFlag) {
|
|
pt = p->patterns; //the last one
|
|
}
|
|
tmpData = (UINT8 *)Base64DecodeClover((char*)href, &len);
|
|
if (len == 0) {
|
|
DBG("image not decoded from base64\n");
|
|
}
|
|
// NewImage = egDecodePNG(tmpData, len, true);
|
|
NewImage->FromPNG(tmpData, len);
|
|
pt->image = (void *)NewImage;
|
|
if (tmpData) {
|
|
FreePool(tmpData);
|
|
}
|
|
}
|
|
|
|
static void parsePattern(NSVGparser* p, char** dict)
|
|
{
|
|
NSVGattrib* attr = nsvg__getAttr(p);
|
|
int i;
|
|
float w = 0.f, h=0.f;
|
|
NSVGpattern *pt;
|
|
|
|
for (i = 0; dict[i]; i += 2) {
|
|
if (strcmp(dict[i], "width") == 0) {
|
|
w = nsvg__parseCoordinate(p, dict[i+1], 0.0f, nsvg__actualWidth(p));
|
|
} else if (strcmp(dict[i], "height") == 0) {
|
|
h = nsvg__parseCoordinate(p, dict[i+1], 0.0f, nsvg__actualHeight(p));
|
|
} else {
|
|
nsvg__parseAttr(p, dict[i], dict[i + 1]);
|
|
}
|
|
}
|
|
|
|
pt = (decltype(pt))AllocateZeroPool(sizeof(NSVGpattern));
|
|
AsciiStrCpyS(pt->id, 64, attr->id);
|
|
pt->width = w;
|
|
pt->height = h;
|
|
pt->next = p->patterns;
|
|
p->patterns = pt;
|
|
}
|
|
|
|
static void nsvg__parseSVG(NSVGparser* p, char** attr)
|
|
{
|
|
int i;
|
|
for (i = 0; attr[i]; i += 2) {
|
|
if (!nsvg__parseAttr(p, attr[i], attr[i + 1])) {
|
|
if (strcmp(attr[i], "width") == 0) {
|
|
p->image->width = nsvg__parseCoordinate(p, attr[i + 1], 0.0f, 0.0f);
|
|
} else if (strcmp(attr[i], "height") == 0) {
|
|
p->image->height = nsvg__parseCoordinate(p, attr[i + 1], 0.0f, 0.0f);
|
|
} else if (strcmp(attr[i], "viewBox") == 0) {
|
|
char* Next = 0;
|
|
AsciiStrToFloat(attr[i + 1], &Next, &p->viewMinx);
|
|
AsciiStrToFloat((const char*)Next, &Next, &p->viewMiny);
|
|
AsciiStrToFloat((const char*)Next, &Next, &p->viewWidth);
|
|
AsciiStrToFloat((const char*)Next, &Next, &p->viewHeight);
|
|
} else if (strcmp(attr[i], "preserveAspectRatio") == 0) {
|
|
if (strstr(attr[i + 1], "none") != 0) {
|
|
// No uniform scaling
|
|
p->alignType = NSVG_ALIGN_NONE;
|
|
} else {
|
|
// Parse X align
|
|
if (strstr(attr[i + 1], "xMin") != 0)
|
|
p->alignX = NSVG_ALIGN_MIN;
|
|
else if (strstr(attr[i + 1], "xMid") != 0)
|
|
p->alignX = NSVG_ALIGN_MID;
|
|
else if (strstr(attr[i + 1], "xMax") != 0)
|
|
p->alignX = NSVG_ALIGN_MAX;
|
|
// Parse X align
|
|
if (strstr(attr[i + 1], "yMin") != 0)
|
|
p->alignY = NSVG_ALIGN_MIN;
|
|
else if (strstr(attr[i + 1], "yMid") != 0)
|
|
p->alignY = NSVG_ALIGN_MID;
|
|
else if (strstr(attr[i + 1], "yMax") != 0)
|
|
p->alignY = NSVG_ALIGN_MAX;
|
|
// Parse meet/slice
|
|
p->alignType = NSVG_ALIGN_MEET;
|
|
if (strstr(attr[i + 1], "slice") != 0)
|
|
p->alignType = NSVG_ALIGN_SLICE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void nsvg__parseGradient(NSVGparser* p, char** attr, char type)
|
|
{
|
|
int i;
|
|
NSVGgradientData* grad = (NSVGgradientData*)AllocateZeroPool(sizeof(NSVGgradientData));
|
|
if (grad == NULL) return;
|
|
//defaults
|
|
grad->units = NSVG_USER_SPACE; //NSVG_OBJECT_SPACE;
|
|
grad->type = type;
|
|
grad->ditherCoarse = 0; //default value
|
|
if (grad->type == NSVG_PAINT_LINEAR_GRADIENT) {
|
|
grad->direction.linear.x1 = nsvg__coord(0.0f, NSVG_UNITS_PERCENT);
|
|
grad->direction.linear.y1 = nsvg__coord(0.0f, NSVG_UNITS_PERCENT);
|
|
grad->direction.linear.x2 = nsvg__coord(100.0f, NSVG_UNITS_PERCENT);
|
|
grad->direction.linear.y2 = nsvg__coord(100.0f, NSVG_UNITS_PERCENT);
|
|
} else if (grad->type == NSVG_PAINT_RADIAL_GRADIENT) {
|
|
grad->direction.radial.cx = nsvg__coord(50.0f, NSVG_UNITS_PERCENT);
|
|
grad->direction.radial.cy = nsvg__coord(50.0f, NSVG_UNITS_PERCENT);
|
|
grad->direction.radial.r = nsvg__coord(50.0f, NSVG_UNITS_PERCENT);
|
|
} else if (grad->type == NSVG_PAINT_CONIC_GRADIENT) {
|
|
grad->direction.radial.cx = nsvg__coord(50.0f, NSVG_UNITS_PERCENT);
|
|
grad->direction.radial.cy = nsvg__coord(50.0f, NSVG_UNITS_PERCENT);
|
|
grad->direction.radial.r = nsvg__coord(50.0f, NSVG_UNITS_PERCENT);
|
|
}
|
|
|
|
nsvg__xformIdentity(grad->xform);
|
|
|
|
for (i = 0; attr[i]; i += 2) {
|
|
if (strcmp(attr[i], "xml:id") == 0) {
|
|
// DBG("xml:id ?\n");
|
|
strncpy(grad->id, attr[i+1], 63);
|
|
grad->id[63] = '\0';
|
|
} else if (strcmp(attr[i], "id") == 0) {
|
|
strncpy(grad->id, attr[i+1], 63);
|
|
grad->id[63] = '\0';
|
|
} else if (!nsvg__parseAttr(p, attr[i], attr[i + 1])) {
|
|
if (strcmp(attr[i], "gradientUnits") == 0) {
|
|
if (strcmp(attr[i+1], "objectBoundingBox") == 0)
|
|
grad->units = NSVG_OBJECT_SPACE;
|
|
else
|
|
grad->units = NSVG_USER_SPACE;
|
|
} else if (strcmp(attr[i], "gradientTransform") == 0) {
|
|
nsvg__parseTransform(grad->xform, attr[i + 1]);
|
|
} else if (strcmp(attr[i], "cx") == 0) {
|
|
grad->direction.radial.cx = nsvg__parseCoordinateRaw(attr[i + 1]);
|
|
} else if (strcmp(attr[i], "cy") == 0) {
|
|
grad->direction.radial.cy = nsvg__parseCoordinateRaw(attr[i + 1]);
|
|
} else if (strcmp(attr[i], "r") == 0) {
|
|
grad->direction.radial.r = nsvg__parseCoordinateRaw(attr[i + 1]);
|
|
} else if (strcmp(attr[i], "fx") == 0) {
|
|
grad->direction.radial.fx = nsvg__parseCoordinateRaw(attr[i + 1]);
|
|
} else if (strcmp(attr[i], "fy") == 0) {
|
|
grad->direction.radial.fy = nsvg__parseCoordinateRaw(attr[i + 1]);
|
|
} else if (strcmp(attr[i], "x1") == 0) {
|
|
grad->direction.linear.x1 = nsvg__parseCoordinateRaw(attr[i + 1]);
|
|
} else if (strcmp(attr[i], "y1") == 0) {
|
|
grad->direction.linear.y1 = nsvg__parseCoordinateRaw(attr[i + 1]);
|
|
} else if (strcmp(attr[i], "x2") == 0) {
|
|
grad->direction.linear.x2 = nsvg__parseCoordinateRaw(attr[i + 1]);
|
|
} else if (strcmp(attr[i], "y2") == 0) {
|
|
grad->direction.linear.y2 = nsvg__parseCoordinateRaw(attr[i + 1]);
|
|
} else if (strcmp(attr[i], "clover:ditherCoarse") == 0) {
|
|
grad->ditherCoarse = getIntegerDict(attr[i + 1]);
|
|
} else if (strcmp(attr[i], "clover:conic") == 0) {
|
|
int conic = getIntegerDict(attr[i + 1]);
|
|
if (conic > 0) {
|
|
grad->type = NSVG_PAINT_CONIC_GRADIENT;
|
|
}
|
|
} else if (strcmp(attr[i], "spreadMethod") == 0) {
|
|
if (strcmp(attr[i+1], "pad") == 0)
|
|
grad->spread = NSVG_SPREAD_PAD;
|
|
else if (strcmp(attr[i+1], "reflect") == 0)
|
|
grad->spread = NSVG_SPREAD_REFLECT;
|
|
else if (strcmp(attr[i+1], "repeat") == 0)
|
|
grad->spread = NSVG_SPREAD_REPEAT;
|
|
} else if (strcmp(attr[i], "xlink:href") == 0) {
|
|
const char *href = attr[i+1];
|
|
strncpy(grad->ref, href+1, 62);
|
|
grad->ref[62] = '\0';
|
|
}
|
|
}
|
|
}
|
|
|
|
grad->next = p->gradients;
|
|
p->gradients = grad;
|
|
}
|
|
|
|
static void nsvg__parseGradientStop(NSVGparser* p, char** dict)
|
|
{
|
|
NSVGattrib* curAttr = nsvg__getAttr(p);
|
|
NSVGgradientData* grad;
|
|
NSVGgradientStop* stop;
|
|
int i, idx = 0, nsize;
|
|
|
|
curAttr->stopOffset = 0.f;
|
|
curAttr->stopColor = 0;
|
|
curAttr->stopOpacity = 1.0f;
|
|
|
|
for (i = 0; dict[i]; i += 2) {
|
|
nsvg__parseAttr(p, dict[i], dict[i + 1]);
|
|
}
|
|
|
|
// Add stop to the last gradient.
|
|
grad = p->gradients;
|
|
if (grad == NULL) return;
|
|
|
|
nsize = sizeof(NSVGgradientStop) * grad->nstops;
|
|
if (nsize == 0) {
|
|
grad->stops = (NSVGgradientStop*)AllocatePool(sizeof(NSVGgradientStop));
|
|
grad->nstops = 1;
|
|
} else {
|
|
grad->nstops++;
|
|
grad->stops = (NSVGgradientStop*)ReallocatePool(nsize, sizeof(NSVGgradientStop)*grad->nstops, grad->stops);
|
|
}
|
|
if (grad->stops == NULL) return;
|
|
|
|
// Insert
|
|
idx = grad->nstops-1;
|
|
for (i = 0; i < grad->nstops-1; i++) {
|
|
if (curAttr->stopOffset < grad->stops[i].offset) {
|
|
idx = i;
|
|
break;
|
|
}
|
|
}
|
|
if (idx != grad->nstops-1) {
|
|
for (i = grad->nstops-1; i > idx; i--)
|
|
memcpy(&grad->stops[i], &grad->stops[i-1], sizeof(NSVGgradientStop));
|
|
}
|
|
|
|
stop = &grad->stops[idx];
|
|
stop->color = ((unsigned int)(curAttr->stopOpacity*255) << 24) | curAttr->stopColor;
|
|
stop->offset = curAttr->stopOffset;
|
|
}
|
|
|
|
static void nsvg__parseSymbol(NSVGparser* p, char** dict)
|
|
{
|
|
NSVGsymbol* symbol;
|
|
NSVGattrib* curAttr = nsvg__getAttr(p);
|
|
int i;
|
|
symbol = (NSVGsymbol*)AllocateZeroPool(sizeof(NSVGsymbol));
|
|
for (i = 0; dict[i]; i += 2) {
|
|
if (strcmp(dict[i], "viewBox") == 0) {
|
|
char* Next = 0;
|
|
AsciiStrToFloat(dict[i + 1], &Next, &symbol->viewBox[0]);
|
|
AsciiStrToFloat((const char*)Next, &Next, &symbol->viewBox[1]);
|
|
AsciiStrToFloat((const char*)Next, &Next, &symbol->viewBox[2]);
|
|
AsciiStrToFloat((const char*)Next, &Next, &symbol->viewBox[3]);
|
|
} else nsvg__parseAttr(p, dict[i], dict[i + 1]);
|
|
}
|
|
AsciiStrCpyS(symbol->id, 64, curAttr->id);
|
|
// memcpy(symbol->xform, curAttr->xform, 6*sizeof(float));
|
|
symbol->next = p->symbols;
|
|
p->symbols = symbol;
|
|
}
|
|
|
|
static void nsvg__parseGroup(NSVGparser* p, char** dict)
|
|
{
|
|
NSVGgroup* group;
|
|
NSVGattrib* oldAttr = nsvg__getAttr(p);
|
|
nsvg__pushAttr(p);
|
|
NSVGattrib* curAttr = nsvg__getAttr(p);
|
|
int i;
|
|
int visSet = 0;
|
|
if (!curAttr) {
|
|
return;
|
|
}
|
|
// DBG("parse group\n");
|
|
group = (NSVGgroup*)AllocateZeroPool(sizeof(NSVGgroup));
|
|
|
|
// if (curAttr->id[0] == '\0') //skip anonymous groups
|
|
// return;
|
|
for (i = 0; dict[i]; i += 2) {
|
|
if (strcmp(dict[i], "visibility") == 0) {
|
|
visSet = 1;
|
|
if (strcmp(dict[i+1], "hidden") == 0) {
|
|
group->visibility &= ~NSVG_VIS_VISIBLE;
|
|
} else if (strcmp(dict[i+1], "visible") == 0) {
|
|
group->visibility |= NSVG_VIS_VISIBLE;
|
|
}
|
|
} else nsvg__parseAttr(p, dict[i], dict[i + 1]);
|
|
}
|
|
AsciiStrCpyS(group->id, 64, curAttr->id);
|
|
// DBG("parsed groupID=%s\n", group->id);
|
|
|
|
if (oldAttr != NULL) {
|
|
group->next = oldAttr->group;
|
|
}
|
|
curAttr->group = group;
|
|
|
|
if (!visSet) {
|
|
if (group->next != NULL) {
|
|
group->visibility = group->next->visibility;
|
|
} else {
|
|
group->visibility = NSVG_VIS_VISIBLE;
|
|
}
|
|
}
|
|
}
|
|
|
|
//parse Clover settings for theme
|
|
void XTheme::parseTheme(void* parser, char** dict)
|
|
{
|
|
NSVGparser* p = (NSVGparser*)parser;
|
|
XBool found = false;
|
|
UINT32 Color = 0x80808080; //default value
|
|
for (int i = 0; dict[i]; i += 2) {
|
|
if (strcmp(dict[i], "SelectionOnTop") == 0) {
|
|
SelectionOnTop = getIntegerDict(dict[i+1]) > 0;
|
|
} else if (strcmp(dict[i], "BadgeOffsetX") == 0) {
|
|
BadgeOffsetX = getIntegerDict(dict[i + 1]);
|
|
} else if (strcmp(dict[i], "BadgeOffsetY") == 0) {
|
|
BadgeOffsetY = getIntegerDict(dict[i + 1]);
|
|
} else if (strcmp(dict[i], "LayoutBannerOffset") == 0) {
|
|
LayoutBannerOffset = getIntegerDict(dict[i + 1]);
|
|
} else if (strcmp(dict[i], "LayoutButtonOffset") == 0) {
|
|
LayoutButtonOffset = getIntegerDict(dict[i + 1]);
|
|
|
|
} else if (strcmp(dict[i], "NonSelectedGrey") == 0) {
|
|
NonSelectedGrey = getIntegerDict(dict[i + 1]) > 0;
|
|
} else if (strcmp(dict[i], "CharWidth") == 0) {
|
|
CharWidth = getIntegerDict(dict[i + 1]);
|
|
} else if (strcmp(dict[i], "BackgroundDark") == 0) {
|
|
BackgroundDark = getIntegerDict(dict[i + 1]) > 0;
|
|
} else if (strcmp(dict[i], "BackgroundSharp") == 0) {
|
|
BackgroundSharp = getIntegerDict(dict[i + 1]);
|
|
} else if (strcmp(dict[i], "BackgroundScale") == 0) {
|
|
BackgroundScale = imNone;
|
|
if (strstr(dict[i+1], "scale") != NULL) {
|
|
BackgroundScale = imScale;
|
|
}
|
|
if (strstr(dict[i+1], "crop") != NULL) {
|
|
BackgroundScale = imCrop;
|
|
}
|
|
if (strstr(dict[i+1], "tile") != NULL) {
|
|
BackgroundScale = imTile;
|
|
}
|
|
} else if (strcmp(dict[i], "Badges") == 0) {
|
|
HideBadges = 0;
|
|
if (strstr(dict[i+1], "show") != NULL) {
|
|
HideBadges |= HDBADGES_SHOW;
|
|
}
|
|
if (strstr(dict[i+1], "swap") != NULL) {
|
|
HideBadges |= HDBADGES_SWAP;
|
|
}
|
|
if (strstr(dict[i+1], "inline") != NULL) {
|
|
HideBadges |= HDBADGES_INLINE;
|
|
}
|
|
} else if (strcmp(dict[i], "BadgeScale") == 0) {
|
|
BadgeScale = getIntegerDict(dict[i + 1]);
|
|
} else if (strcmp(dict[i], "SelectionColor") == 0) {
|
|
Color = getIntegerDict(dict[i + 1]);
|
|
if (ThemeX.Daylight) {
|
|
SelectionColor = Color;
|
|
}
|
|
} else if (strcmp(dict[i], "SelectionColor_night") == 0) {
|
|
found = true;
|
|
if (!ThemeX.Daylight) {
|
|
SelectionColor = getIntegerDict(dict[i + 1]);
|
|
}
|
|
} else if (strcmp(dict[i], "VerticalLayout") == 0) {
|
|
VerticalLayout = getIntegerDict(dict[i + 1]) > 0;
|
|
} else if (strcmp(dict[i], "BootCampStyle") == 0) {
|
|
BootCampStyle = getIntegerDict(dict[i + 1]) > 0;
|
|
} else if (strcmp(dict[i], "AnimeFrames") == 0) {
|
|
NumFrames = getIntegerDict(dict[i + 1]);
|
|
if (NumFrames == 0xFFFF) {
|
|
NumFrames = 0;
|
|
}
|
|
} else if (strcmp(dict[i], "FrameTime") == 0) {
|
|
FrameTime = getIntegerDict(dict[i + 1]);
|
|
} else nsvg__parseAttr(p, dict[i], dict[i + 1]);
|
|
}
|
|
if (!found) {
|
|
SelectionColor = Color;
|
|
}
|
|
}
|
|
|
|
|
|
// parse embedded font
|
|
static void nsvg__parseFont(NSVGparser* p, char** dict)
|
|
{
|
|
int i;
|
|
NSVGfont* font;
|
|
NSVGattrib* curAttr = nsvg__getAttr(p);
|
|
if (!curAttr) {
|
|
return;
|
|
}
|
|
|
|
font = (decltype(font))AllocateZeroPool(sizeof(*font));
|
|
|
|
for (i = 0; dict[i]; i += 2) {
|
|
if (strcmp(dict[i], "horiz-adv-x") == 0) {
|
|
font->horizAdvX = (int)AsciiStrDecimalToUintn(dict[i+1]);
|
|
} else if (strcmp(dict[i], "font-family") == 0) { //usually absent here
|
|
AsciiStrCpyS(font->fontFamily, kMaxIDLength, dict[i+1]);
|
|
} else {
|
|
nsvg__parseAttr(p, dict[i], dict[i + 1]);
|
|
}
|
|
}
|
|
|
|
AsciiStrCpyS(font->id, kMaxIDLength, curAttr->id);
|
|
if (!font->horizAdvX) {
|
|
font->horizAdvX = 1000;
|
|
}
|
|
DBG("found font id=%s family=%s\n", font->id, font->fontFamily);
|
|
|
|
NSVGfontChain* fontChain = (decltype(fontChain))AllocatePool(sizeof(*fontChain));
|
|
fontChain->font = font;
|
|
fontChain->next = fontsDB;
|
|
p->font = font;
|
|
|
|
fontsDB = fontChain;
|
|
}
|
|
|
|
static void nsvg__parseFontFace(NSVGparser* p, char** dict)
|
|
{
|
|
int i;
|
|
if (!p) {
|
|
DBG("no parser\n");
|
|
return;
|
|
}
|
|
NSVGfont* font = p->font; //if present??? assumed good svg structure
|
|
if (!font) {
|
|
return;
|
|
}
|
|
// DBG("begin parse font face, font->id=%s\n", font->id);
|
|
for (i = 0; dict[i]; i += 2) {
|
|
if (strcmp(dict[i], "font-family") == 0) {
|
|
AsciiStrCpyS(font->fontFamily, 64, dict[i+1]);
|
|
DBG("font-family %s\n", font->fontFamily);
|
|
}
|
|
else if (strcmp(dict[i], "font-weight") == 0) {
|
|
float fontWeight = 0.0f;
|
|
AsciiStrToFloat(dict[i+1], NULL /*&Next*/, &fontWeight);
|
|
font->fontWeight = fontWeight;
|
|
}
|
|
else if (strcmp(dict[i], "font-style") == 0) {
|
|
if (strstr(dict[i+1], "italic") != NULL) {
|
|
font->fontStyle = 'i';
|
|
} else if (strstr(dict[i+1], "bold") != NULL) {
|
|
font->fontStyle = 'b';
|
|
} else if (strstr(dict[i + 1], "light") != NULL) {
|
|
font->fontStyle = 'l';
|
|
} else {
|
|
font->fontStyle = 'n'; //normal
|
|
}
|
|
}
|
|
else if (strcmp(dict[i], "units-per-em") == 0) {
|
|
float unitsPerEm = 0.0f;
|
|
AsciiStrToFloat(dict[i+1], NULL /*&Next*/, &unitsPerEm);
|
|
font->unitsPerEm = unitsPerEm;
|
|
}
|
|
else if (strcmp(dict[i], "ascent") == 0) {
|
|
font->ascent = (int)AsciiStrDecimalToUintn(dict[i+1]);
|
|
}
|
|
else if (strcmp(dict[i], "descent") == 0) {
|
|
font->descent = (int)AsciiStrDecimalToUintn(dict[i+1]);
|
|
}
|
|
else if (strcmp(dict[i], "x-height") == 0) {
|
|
font->xHeight = (int)AsciiStrDecimalToUintn(dict[i+1]);
|
|
}
|
|
else if (strcmp(dict[i], "cap-height") == 0) {
|
|
font->capHeight = (int)AsciiStrDecimalToUintn(dict[i+1]);
|
|
}
|
|
else if (strcmp(dict[i], "underline-thickness") == 0) {
|
|
font->underlineThickness = (int)AsciiStrDecimalToUintn(dict[i+1]);
|
|
}
|
|
else if (strcmp(dict[i], "underline-position") == 0) {
|
|
font->underlinePosition = (int)AsciiStrDecimalToUintn(dict[i+1]);
|
|
}
|
|
else if (strcmp(dict[i], "slope") == 0) {
|
|
font->slope = (int)AsciiStrDecimalToUintn(dict[i+1]);
|
|
}
|
|
else if (strcmp(dict[i], "bbox") == 0) {
|
|
char* Next = 0;
|
|
AsciiStrToFloat(dict[i + 1], &Next, &font->bbox[0]);
|
|
AsciiStrToFloat((const char*)Next, &Next, &font->bbox[1]);
|
|
AsciiStrToFloat((const char*)Next, &Next, &font->bbox[2]);
|
|
AsciiStrToFloat((const char*)Next, &Next, &font->bbox[3]);
|
|
// DumpFloat2("font bbox=", font->bbox, 4);
|
|
}
|
|
else if (strcmp(dict[i], "unicode-range") == 0) {
|
|
const char * a = dict[i + 1];
|
|
if (*a == 'U') {
|
|
font->unicodeRange[0] = (int)AsciiStrHexToUintn(a+2);
|
|
font->unicodeRange[1] = (int)AsciiStrHexToUintn(a+7);
|
|
}
|
|
} else nsvg__parseAttr(p, dict[i], dict[i + 1]);
|
|
|
|
}
|
|
if (font->unitsPerEm < 1.f) {
|
|
font->unitsPerEm = 1000.f;
|
|
}
|
|
if ((font->bbox[3] - font->bbox[1]) < 1.) {
|
|
font->bbox[0] = 0;
|
|
font->bbox[1] = 0;
|
|
font->bbox[2] = font->unitsPerEm;
|
|
font->bbox[3] = font->unitsPerEm;
|
|
}
|
|
if (font->fontWeight < 1.f) {
|
|
font->fontWeight = font->unitsPerEm;
|
|
}
|
|
if (font->fontStyle < 0x30) {
|
|
font->fontStyle = 'n';
|
|
}
|
|
}
|
|
|
|
CHAR16 nsvg__parseUnicode(const char *s)
|
|
{
|
|
CHAR16 A = L'\0';
|
|
if (*s != '&') {
|
|
if (strlen(s) == 2) {
|
|
A = (*s << 8) + *(s+1);
|
|
} else {
|
|
A = *s;
|
|
}
|
|
} else if (strstr(s, "&#x") !=0 ) {
|
|
s += 3;
|
|
while (IS_HEX(*s) || IS_DIGIT(*s)) {
|
|
A <<= 4;
|
|
if (IS_DIGIT(*s)) {
|
|
A += *s - 0x30;
|
|
} else if (IS_UPPER(*s)) {
|
|
A += *s - 0x41 + 10;
|
|
} else {
|
|
A += *s - 0x61 + 10;
|
|
}
|
|
s++;
|
|
}
|
|
} else if (strstr(s, "&") !=0 ) {
|
|
A = 0x26; //&
|
|
} else if (strstr(s, """) !=0 ) {
|
|
A = 0x22; //"
|
|
} else if (strstr(s, "<") !=0 ) {
|
|
A = 0x3C; //<
|
|
} else if (strstr(s, ">") !=0 ) {
|
|
A = 0x3E; //>
|
|
} else if (strstr(s, " ") !=0 ) {
|
|
A = 0xA0; //>
|
|
} else if (strstr(s, "©") !=0 ) {
|
|
A = 0xA9; //>
|
|
}
|
|
return A;
|
|
}
|
|
|
|
static void nsvg__parseGlyph(NSVGparser* p, char** dict, XBool missing)
|
|
{
|
|
//glyph-name="E_d" unicode="Ed" horiz-adv-x="1289" d="M679 ..."/>
|
|
/*
|
|
typedef struct NSVGglyph {
|
|
char name[16];
|
|
CHAR16 unicode;
|
|
int horizAdvX;
|
|
NSVGpath* path;
|
|
struct NSVGglyph *next;
|
|
} NSVGglyph;
|
|
*/
|
|
int i;
|
|
NSVGglyph *glyph;
|
|
if (!p) {
|
|
return;
|
|
}
|
|
|
|
p->plist = NULL;
|
|
|
|
glyph = (NSVGglyph*)AllocateZeroPool(sizeof(NSVGglyph));
|
|
if (!glyph) {
|
|
return;
|
|
}
|
|
for (i = 0; dict[i]; i += 2) {
|
|
if (!nsvg__parseAttr(p, dict[i], dict[i + 1])) {
|
|
if (strcmp(dict[i], "unicode") == 0) {
|
|
glyph->unicode = nsvg__parseUnicode(dict[i+1]);
|
|
} else if (strcmp(dict[i], "horiz-adv-x") == 0) {
|
|
glyph->horizAdvX = (int)AsciiStrDecimalToUintn(dict[i+1]);
|
|
} else if (strcmp(dict[i], "glyph-name") == 0) {
|
|
strncpy(glyph->name, dict[i+1], 16);
|
|
glyph->name[15] = '\0';
|
|
if (strcmp(dict[i+1], "nonmarkingreturn") == 0) {
|
|
glyph->unicode = L'\n';
|
|
} else if (strcmp(dict[i+1], ".notdef") == 0) {
|
|
missing = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
nsvg__parsePath(p, dict);
|
|
|
|
glyph->path = p->plist; // plist means PathList ;)
|
|
p->plist = 0; //lastPath;
|
|
|
|
if (p->font) {
|
|
if (missing) {
|
|
p->font->missingGlyph = glyph;
|
|
if (!glyph->horizAdvX && p->font->horizAdvX) {
|
|
p->font->missingGlyph->horizAdvX = p->font->horizAdvX;
|
|
}
|
|
} else {
|
|
if (!glyph->horizAdvX) {
|
|
if (p->font->missingGlyph) {
|
|
glyph->horizAdvX = p->font->missingGlyph->horizAdvX;
|
|
} else if (p->font->horizAdvX) {
|
|
glyph->horizAdvX = p->font->horizAdvX;
|
|
}
|
|
}
|
|
glyph->next = p->font->glyphs;
|
|
p->font->glyphs = glyph;
|
|
}
|
|
}
|
|
// DBG("glyph %X parsed\n", glyph->unicode);
|
|
}
|
|
|
|
static void nsvg__startElement(void* ud, const char* el, char** dict)
|
|
{
|
|
NSVGparser* p = (NSVGparser*)ud;
|
|
if (!p) {
|
|
return;
|
|
}
|
|
|
|
if (strcmp(el, "linearGradient") == 0) {
|
|
nsvg__parseGradient(p, dict, NSVG_PAINT_LINEAR_GRADIENT);
|
|
} else if (strcmp(el, "radialGradient") == 0) {
|
|
nsvg__parseGradient(p, dict, NSVG_PAINT_RADIAL_GRADIENT);
|
|
} else if (strcmp(el, "conicGradient") == 0) {
|
|
nsvg__parseGradient(p, dict, NSVG_PAINT_CONIC_GRADIENT);
|
|
} else if (strcmp(el, "stop") == 0) {
|
|
nsvg__parseGradientStop(p, dict);
|
|
} else if (strcmp(el, "font") == 0) {
|
|
nsvg__parseFont(p, dict);
|
|
} else if (strcmp(el, "font-face") == 0) {
|
|
nsvg__parseFontFace(p, dict);
|
|
} else if (strcmp(el, "missing-glyph") == 0) {
|
|
nsvg__parseGlyph(p, dict, true);
|
|
} else if (strcmp(el, "glyph") == 0) {
|
|
nsvg__parseGlyph(p, dict, false);
|
|
} else if (strcmp(el, "style") == 0) {
|
|
p->styleFlag = 1;
|
|
} else if (strcmp(el, "g") == 0) {
|
|
// nsvg__pushAttr(p);
|
|
nsvg__parseGroup(p, dict);
|
|
} else if (strcmp(el, "text") == 0) {
|
|
nsvg__pushAttr(p);
|
|
p->isText = true;
|
|
nsvg__parseText(p, dict);
|
|
} else if (strcmp(el, "tspan") == 0) {
|
|
nsvg__pushAttr(p);
|
|
nsvg__parseTextSpan(p, dict);
|
|
nsvg__popAttr(p);
|
|
} else if (strcmp(el, "path") == 0) {
|
|
if (p->pathFlag) { // Do not allow nested paths.
|
|
return;
|
|
}
|
|
nsvg__pushAttr(p);
|
|
p->pathFlag = 1;
|
|
p->shapeFlag = 1;
|
|
nsvg__parsePath(p, dict);
|
|
nsvg__addShape(p);
|
|
nsvg__popAttr(p);
|
|
} else if (strcmp(el, "rect") == 0) {
|
|
nsvg__pushAttr(p);
|
|
p->shapeFlag = 1;
|
|
nsvg__parseRect(p, dict);
|
|
nsvg__popAttr(p);
|
|
} else if (strcmp(el, "circle") == 0) {
|
|
nsvg__pushAttr(p);
|
|
p->shapeFlag = 1;
|
|
nsvg__parseCircle(p, dict);
|
|
nsvg__popAttr(p);
|
|
} else if (strcmp(el, "ellipse") == 0) {
|
|
nsvg__pushAttr(p);
|
|
p->shapeFlag = 1;
|
|
nsvg__parseEllipse(p, dict);
|
|
nsvg__popAttr(p);
|
|
} else if (strcmp(el, "line") == 0) {
|
|
nsvg__pushAttr(p);
|
|
p->shapeFlag = 1;
|
|
nsvg__parseLine(p, dict);
|
|
nsvg__popAttr(p);
|
|
} else if (strcmp(el, "polyline") == 0) {
|
|
nsvg__pushAttr(p);
|
|
p->shapeFlag = 1;
|
|
nsvg__parsePoly(p, dict, 0);
|
|
nsvg__popAttr(p);
|
|
} else if (strcmp(el, "polygon") == 0) {
|
|
nsvg__pushAttr(p);
|
|
p->shapeFlag = 1;
|
|
nsvg__parsePoly(p, dict, 1);
|
|
nsvg__popAttr(p);
|
|
} else if (strcmp(el, "use") == 0) {
|
|
nsvg__pushAttr(p);
|
|
p->shapeFlag = 1;
|
|
nsvg__parseUse(p, dict);
|
|
nsvg__popAttr(p);
|
|
} else if (strcmp(el, "defs") == 0) {
|
|
p->defsFlag = 1;
|
|
} else if (strcmp(el, "symbol") == 0) {
|
|
nsvg__pushAttr(p);
|
|
p->symbolFlag = 1;
|
|
nsvg__parseSymbol(p, dict);
|
|
} else if (strcmp(el, "svg") == 0) {
|
|
nsvg__pushAttr(p);
|
|
nsvg__parseSVG(p, dict);
|
|
} else if (strcmp(el, "clipPath") == 0) {
|
|
int i;
|
|
nsvg__pushAttr(p);
|
|
for (i = 0; dict[i]; i += 2) {
|
|
if (strcmp(dict[i], "id") == 0) {
|
|
p->clipPath = nsvg__findClipPath(p, dict[i+1]);
|
|
break;
|
|
}
|
|
}
|
|
} else if (strcmp(el, "title") == 0) {
|
|
p->titleFlag = 1;
|
|
} else if (strcmp(el, "image") == 0) {
|
|
// nsvg__pushAttr(p);
|
|
// nsvg__parseIMAGE(p, dict);
|
|
parseImage(p, dict);
|
|
// nsvg__popAttr(p);
|
|
} else if (strcmp(el, "pattern") == 0) {
|
|
parsePattern(p, dict);
|
|
p->patternFlag = 1;
|
|
|
|
} else if (strcmp(el, "clover:theme") == 0) {
|
|
ThemeX.parseTheme((void*)p, dict);
|
|
|
|
} else {
|
|
strncpy(p->unknown, el, 63);
|
|
}
|
|
}
|
|
|
|
static void nsvg__endElement(void* ud, const char* el)
|
|
{
|
|
NSVGparser* p = (NSVGparser*)ud;
|
|
// NSVGattrib* curAttr = nsvg__getAttr(p);
|
|
|
|
if (strcmp(el, "g") == 0) {
|
|
nsvg__popAttr(p);
|
|
} else if (strcmp(el, "path") == 0) {
|
|
p->pathFlag = 0;
|
|
} else if (strcmp(el, "defs") == 0) {
|
|
p->defsFlag = 0;
|
|
} else if (strcmp(el, "pattern") == 0) {
|
|
p->patternFlag = 0;
|
|
} else if (strcmp(el, "symbol") == 0) {
|
|
// nsvg__getSymbolBounds(p); //no sense
|
|
nsvg__popAttr(p);
|
|
p->symbolFlag = 0;
|
|
} else if (strcmp(el, "svg") == 0) {
|
|
nsvg__popAttr(p);
|
|
} else if (strcmp(el, "clipPath") == 0) {
|
|
if (p->clipPath != NULL) {
|
|
NSVGshape* shape = p->clipPath->shapes;
|
|
while (shape != NULL) {
|
|
shape->fill.type = NSVG_PAINT_COLOR;
|
|
shape->stroke.type = NSVG_PAINT_NONE;
|
|
shape = shape->next;
|
|
}
|
|
p->clipPath = NULL;
|
|
}
|
|
nsvg__popAttr(p);
|
|
} else if (strcmp(el, "text") == 0) {
|
|
nsvg__popAttr(p);
|
|
p->isText = false;
|
|
// } else if (strcmp(el, "tspan") == 0) {
|
|
// nsvg__popAttr(p);
|
|
|
|
} else if (strcmp(el, "title") == 0) {
|
|
p->titleFlag = 0;
|
|
} else if (strcmp(el, "style") == 0) {
|
|
p->styleFlag = 0;
|
|
} else if (strcmp(el, "rect") == 0 ||
|
|
strcmp(el, "circle") == 0 ||
|
|
strcmp(el, "ellipse") == 0 ||
|
|
strcmp(el, "line") == 0 ||
|
|
strcmp(el, "polyline") == 0 ||
|
|
strcmp(el, "polygon") == 0 ||
|
|
strcmp(el, "use") == 0
|
|
) {
|
|
p->shapeFlag = 0;
|
|
} else if (strcmp(el, p->unknown) == 0) {
|
|
// p->defsFlag = 0;
|
|
}
|
|
}
|
|
|
|
float addLetter(NSVGparser* p, CHAR16 letter, float x, float y, float scale, UINT32 color)
|
|
{
|
|
float x1 = x; //initial position
|
|
// INTN y = 0;
|
|
NSVGshape *shape;
|
|
NSVGattrib* attr = nsvg__getAttr(p);
|
|
NSVGglyph* g;
|
|
if (!p->text || !p->text->font) {
|
|
DBG("font absent\n");
|
|
return x;
|
|
}
|
|
if ( scale == 0 ) { // doing "if (!scale)" generates a warning
|
|
return x;
|
|
}
|
|
|
|
shape = (NSVGshape*)AllocateZeroPool(sizeof(NSVGshape));
|
|
if (shape == NULL) return x;
|
|
|
|
g = p->text->font->glyphs;
|
|
while (g) {
|
|
if (g->unicode == letter) {
|
|
shape->paths = g->path;
|
|
/*
|
|
if (shape->paths) {
|
|
if (letter == L'C') {
|
|
DBG("Found glyph %X, point[0]=(%d,%d) points=%d\n", letter,
|
|
(int)shape->paths->pts[0], (int)shape->paths->pts[1], shape->paths->npts);
|
|
shape->debug = true;
|
|
}
|
|
} */
|
|
break;
|
|
}
|
|
g = g->next;
|
|
}
|
|
if (!g) {
|
|
//missing glyph
|
|
g = p->text->font->missingGlyph;
|
|
shape->paths = g->path;
|
|
// if (shape->paths) {
|
|
// DBG("Missing glyph %X, path[0]=%d\n", letter, (int)shape->paths->pts[0]);
|
|
// }
|
|
}
|
|
if (!shape->paths) {
|
|
if (g) {
|
|
x1 += g->horizAdvX * scale; //user space
|
|
}
|
|
if (shape) {
|
|
FreePool(shape);
|
|
}
|
|
return x1;
|
|
}
|
|
//fill shape
|
|
// DBG("fill shape\n"); //ssss
|
|
shape->group = p->text->group;
|
|
shape->id[0] = (char)(letter & 0xff);
|
|
shape->id[1] = (char)((letter >> 8) & 0xff);
|
|
shape->strokeWidth = p->text->strokeWidth / scale;
|
|
shape->strokeLineJoin = attr->strokeLineJoin;
|
|
shape->strokeLineCap = attr->strokeLineCap;
|
|
shape->miterLimit = attr->miterLimit;
|
|
shape->fillRule = NSVG_FILLRULE_NONZERO;
|
|
shape->opacity = 1.f;
|
|
|
|
shape->fill.type = NSVG_PAINT_NONE;
|
|
if (attr->hasFill == 1) {
|
|
shape->fill.type = NSVG_PAINT_COLOR;
|
|
shape->fill.paint.color = color;
|
|
}
|
|
shape->stroke.type = NSVG_PAINT_NONE;
|
|
if (attr->hasStroke == 1) {
|
|
shape->stroke.type = NSVG_PAINT_COLOR;
|
|
shape->stroke.paint.color = p->text->strokeColor;
|
|
}
|
|
|
|
shape->flags = NSVG_VIS_DISPLAY | NSVG_VIS_VISIBLE;
|
|
shape->isText = true;
|
|
nsvg__xformIdentity(shape->xform);
|
|
//scale convert shape from glyph size to user's font-size
|
|
shape->xform[0] = scale; //1.f;
|
|
shape->xform[3] = -scale; //-1.f; //glyphs are mirrored by Y
|
|
shape->xform[4] = x - p->text->font->bbox[0] * scale;
|
|
shape->xform[5] = y + p->text->font->bbox[3] * scale; // Y3 is a floor for a letter, so Y+x[5]=realY
|
|
// then apply text transform
|
|
nsvg__xformMultiply(shape->xform, p->text->xform);
|
|
|
|
|
|
// if (letter == L'C') {
|
|
// DBG("bbox0=%f ", p->text->font->bbox[0]);
|
|
// DBG("bbox3=%f \n", p->text->font->bbox[3]);
|
|
// DumpFloat2("glyph xform:", shape->xform, 6);
|
|
// DBG("stroke-color=%X ", shape->stroke.paint.color);
|
|
// DBG("stroke-width=%f\n", shape->strokeWidth);
|
|
// }
|
|
|
|
//in glyph units
|
|
shape->bounds[0] = p->text->font->bbox[0] + x/scale; //x + p->font->bbox[0] * scale;
|
|
shape->bounds[1] = p->text->font->bbox[1] + y/scale; //y + p->font->bbox[1] * scale;
|
|
shape->bounds[2] = p->text->font->bbox[2] + x/scale; //x + p->font->bbox[2] * scale;
|
|
shape->bounds[3] = p->text->font->bbox[3] + y/scale; //y + p->font->bbox[3] * scale;
|
|
// if (letter == L'C') {
|
|
// DumpFloat2("glyph bounds in text", shape->bounds, 4);
|
|
// }
|
|
// if (color == NSVG_RGBA(0x80, 0xFF, 0, 255)) {
|
|
// DBG("glyph code=%X\n", letter);
|
|
// DumpFloat2("glyph xform", shape->xform, 6);
|
|
// DumpFloat2("glyph bounds", shape->bounds, 4);
|
|
// DBG("glyph width=%d\n", g->horizAdvX);
|
|
// }
|
|
|
|
x1 += g->horizAdvX * scale; //position for next letter in user's units
|
|
|
|
// Add to tail
|
|
if (p->image->shapes == NULL)
|
|
p->image->shapes = shape;
|
|
else
|
|
p->shapesTail->next = shape;
|
|
p->shapesTail = shape;
|
|
return x1;
|
|
}
|
|
|
|
static void addString(NSVGparser* p, char* s)
|
|
{
|
|
//text support should create shape for each letter
|
|
UINTN len = strlen(s);
|
|
UINTN i;
|
|
if (!p->text->font) {
|
|
DBG("font for the text is not loaded\n");
|
|
return; //use external fonts
|
|
}
|
|
// DBG("the text %ls uses font %s\n", s, p->text->fontFace->fontFamily);
|
|
|
|
//calculate letter size
|
|
float sy = p->text->font->bbox[3] - p->text->font->bbox[1];
|
|
sy = (sy <= 0.f)? p->text->font->fontWeight: sy;
|
|
//required height
|
|
float h = p->text->fontSize;
|
|
float scale = h / sy; //scale to font size
|
|
//text position based on ?
|
|
float x = p->text->x; //user space
|
|
float y = p->text->y - h;
|
|
for (i = 0; i < len; i++) {
|
|
CHAR16 letter = 0;
|
|
s = GetUnicodeChar(s, &letter);
|
|
if (!letter) {
|
|
break;
|
|
}
|
|
x = addLetter(p, letter, x, y, scale, p->text->fontColor);
|
|
}
|
|
}
|
|
|
|
static void nsvg__content(void* ud, char* s)
|
|
{
|
|
NSVGparser* p = (NSVGparser*)ud;
|
|
if (p->titleFlag) {
|
|
int len = (int)strlen(s);
|
|
NSVGshape *shape = p->image->shapes;
|
|
const int lim = sizeof(shape->title);
|
|
if(len > lim-1)
|
|
len = lim-1;
|
|
if (p->shapeFlag) {
|
|
while (shape->next)
|
|
shape = shape->next;
|
|
// if (shape) {
|
|
memcpy(shape->title, s, len);
|
|
memset(shape->title + len, 0, lim-len);
|
|
// }
|
|
} else { //not shape
|
|
NSVGattrib* attr = nsvg__getAttr(p);
|
|
memcpy(attr->title, s, len);
|
|
memset(attr->title + len, 0, lim-len);
|
|
}
|
|
} else
|
|
if (p->styleFlag) {
|
|
// decrease string to cdata content (if present)
|
|
char* rv = strstr(s, "<![CDATA[");
|
|
if (rv) {
|
|
s = rv + 9;
|
|
rv = strstr(s, "]]>");
|
|
if (!rv)
|
|
return;
|
|
else *rv = '\0';
|
|
}
|
|
|
|
//.cls-1{fill:url(#linear-gradient);}
|
|
const char* start = s;
|
|
int state = 0;
|
|
while (*s) {
|
|
char c = *s;
|
|
if (state == 1) {
|
|
if (nsvg__isspace(c) || c == '{') {
|
|
NSVGstyles* next = p->styles;
|
|
p->styles = (NSVGstyles*)AllocatePool(sizeof(NSVGstyles));
|
|
p->styles->next = next;
|
|
p->styles->name = nsvg__strndup(start, (size_t)(s - start)); //style->name=cls-1
|
|
p->styles->description = NULL;
|
|
if (c == '{') {
|
|
start = s + 1;
|
|
state = 3;
|
|
} else {
|
|
state = 2;
|
|
}
|
|
}
|
|
} else if (state == 2 && c == '{') {
|
|
start = s + 1;
|
|
state = 3;
|
|
} else if (state == 3 && c == '}') {
|
|
p->styles->description = nsvg__strndup(start, (size_t)(s - start));
|
|
// nsvg__parseStyle(p, p->styles->description);
|
|
state = 0;
|
|
} else if (state == 0 && c == '.') {
|
|
start = s + 1;
|
|
state = 1;
|
|
}
|
|
s++;
|
|
}
|
|
}
|
|
else if (p->isText) { //text support
|
|
addString(p, s);
|
|
}
|
|
}
|
|
|
|
static void nsvg__assignGradients(NSVGparser* p, NSVGshape* shapes)
|
|
{
|
|
for (NSVGshape* shape = shapes; shape != NULL; shape = shape->next) {
|
|
|
|
if (shape->fill.type == NSVG_PAINT_GRADIENT_LINK) {
|
|
NSVGgradientLink* link = shape->fill.paint.gradientLink;
|
|
shape->fill.paint.gradient = nsvg__createGradient(p, shape, link, &shape->fill.type);
|
|
if (link != NULL) {
|
|
FreePool(link);
|
|
}
|
|
if (shape->fill.paint.gradient == NULL) {
|
|
shape->fill.type = NSVG_PAINT_NONE;
|
|
}
|
|
}
|
|
if (shape->stroke.type == NSVG_PAINT_GRADIENT_LINK) {
|
|
NSVGgradientLink* link = shape->stroke.paint.gradientLink;
|
|
shape->stroke.paint.gradient = nsvg__createGradient(p, shape, link, &shape->stroke.type);
|
|
if (link != NULL) {
|
|
FreePool(link);
|
|
}
|
|
if (shape->stroke.paint.gradient == NULL) {
|
|
shape->stroke.type = NSVG_PAINT_NONE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static char *nsvg__strndup(const char *s, size_t n)
|
|
{
|
|
char *result;
|
|
size_t len = strlen(s);
|
|
|
|
if (n < len)
|
|
len = n;
|
|
|
|
result = (char *)AllocateCopyPool(len + 1, s);
|
|
if (!result)
|
|
return 0;
|
|
|
|
result[len] = '\0';
|
|
return result;
|
|
}
|
|
|
|
void takeXformBounds(NSVGshape *shape, float *xform, float *bounds)
|
|
{
|
|
float newBounds[8]; //(x1, y1), (x2, y2), (x2, y1), (x1, y2)
|
|
nsvg__xformPoint(&newBounds[0], &newBounds[1], shape->bounds[0], shape->bounds[1], xform);
|
|
nsvg__xformPoint(&newBounds[2], &newBounds[3], shape->bounds[2], shape->bounds[3], xform);
|
|
nsvg__xformPoint(&newBounds[4], &newBounds[5], shape->bounds[2], shape->bounds[1], xform);
|
|
nsvg__xformPoint(&newBounds[6], &newBounds[7], shape->bounds[0], shape->bounds[3], xform);
|
|
//we have to take into account all points, as x1 can be > x2 etc.
|
|
bounds[0] = nsvg__minf(bounds[0], newBounds[0]);
|
|
bounds[0] = nsvg__minf(bounds[0], newBounds[2]);
|
|
bounds[0] = nsvg__minf(bounds[0], newBounds[4]);
|
|
bounds[0] = nsvg__minf(bounds[0], newBounds[6]);
|
|
|
|
bounds[1] = nsvg__minf(bounds[1], newBounds[1]);
|
|
bounds[1] = nsvg__minf(bounds[1], newBounds[3]);
|
|
bounds[1] = nsvg__minf(bounds[1], newBounds[5]);
|
|
bounds[1] = nsvg__minf(bounds[1], newBounds[7]);
|
|
|
|
bounds[2] = nsvg__maxf(bounds[2], newBounds[0]);
|
|
bounds[2] = nsvg__maxf(bounds[2], newBounds[2]);
|
|
bounds[2] = nsvg__maxf(bounds[2], newBounds[4]);
|
|
bounds[2] = nsvg__maxf(bounds[2], newBounds[6]);
|
|
|
|
bounds[3] = nsvg__maxf(bounds[3], newBounds[1]);
|
|
bounds[3] = nsvg__maxf(bounds[3], newBounds[3]);
|
|
bounds[3] = nsvg__maxf(bounds[3], newBounds[5]);
|
|
bounds[3] = nsvg__maxf(bounds[3], newBounds[7]);
|
|
}
|
|
//image bounds for a shape group
|
|
//bounds inited before use, called from nsvgParse
|
|
//assumed each shape already has bounds calculated.
|
|
int nsvg__shapesBound(/*NSVGimage* image,*/ NSVGshape *shapes, float* bounds)
|
|
{
|
|
NSVGshape *shape, *shapeLink;
|
|
float xform[6];
|
|
float xform2[6];
|
|
int count = 0;
|
|
int visibility;
|
|
for (shapeLink = shapes; shapeLink != NULL; shapeLink = shapeLink->next) {
|
|
memcpy(&xform[0], shapeLink->xform, sizeof(float)*6);
|
|
visibility = (shapeLink->flags & NSVG_VIS_VISIBLE); //check origin visibility, not link
|
|
|
|
if (/*shapeLink->isText ||*/ !visibility) { //dont count text
|
|
continue;
|
|
}
|
|
shape = shapeLink->link; //this is <use>
|
|
if (!shape) {
|
|
takeXformBounds(shapeLink, &xform[0], bounds);
|
|
}
|
|
while (shape) { //take bounds from symbol's shapes
|
|
memcpy(xform2, xform, sizeof(float)*6);
|
|
nsvg__xformPremultiply(&xform2[0], shape->xform);
|
|
takeXformBounds(shape, &xform2[0], bounds);
|
|
shape = shape->next;
|
|
}
|
|
/*
|
|
if (shapeLink->isText) { //strstr(shapeLink->id, "shar")) {
|
|
DBG("take Bounds: shapeID=%s\n", shapeLink->id);
|
|
DumpFloat2(" transform", xform, 6);
|
|
DumpFloat2(" shape initial bounds", shapeLink->bounds, 4);
|
|
}
|
|
*/
|
|
count++; //count visible
|
|
}
|
|
return count;
|
|
}
|
|
|
|
void nsvg__imageBounds(NSVGimage* image, float* bounds)
|
|
{
|
|
// NSVGimage* image = p->image;
|
|
NSVGclipPath* clipPath;
|
|
if (!bounds || !image) {
|
|
return;
|
|
}
|
|
bounds[0] = FLT_MAX;
|
|
bounds[1] = FLT_MAX;
|
|
bounds[2] = -FLT_MAX;
|
|
bounds[3] = -FLT_MAX;
|
|
|
|
int count = 0;
|
|
clipPath = image->clipPaths;
|
|
while (clipPath != NULL) {
|
|
if (clipPath->index == 0) { // this is bottom image
|
|
//check max bound only for this image
|
|
count = nsvg__shapesBound(clipPath->shapes, bounds);
|
|
}
|
|
clipPath = clipPath->next;
|
|
}
|
|
count += nsvg__shapesBound(image->shapes, bounds);
|
|
// DBG("found shapes=%d\n", count);
|
|
if (count == 0) {
|
|
bounds[0] = bounds[1] = 0.0f;
|
|
bounds[2] = bounds[3] = 1.0f;
|
|
}
|
|
}
|
|
// units like "px" is not used so just exclude it
|
|
NSVGparser* nsvgParse(char* input, /* const char* units,*/ float dpi, float opacity)
|
|
{
|
|
NSVGparser* p;
|
|
NSVGclipPath* clipPath;
|
|
NSVGsymbol* symbol;
|
|
float bounds[4];
|
|
|
|
p = nsvg__createParser();
|
|
if (p == NULL) {
|
|
return NULL;
|
|
}
|
|
p->dpi = dpi;
|
|
p->opacity = opacity;
|
|
// DBG("fontDb=%X\n", (UINTN)fontsDB);
|
|
nsvg__parseXML(input, nsvg__startElement, nsvg__endElement, nsvg__content, p);
|
|
// DBG("fontDb after parse=%X\n", (UINTN)fontsDB);
|
|
// if (fontsDB && fontsDB->font) {
|
|
// DBG("added font=%s\n", fontsDB->font->fontFamily); //yes, fonts added here
|
|
// }
|
|
//assign gradients
|
|
clipPath = p->image->clipPaths;
|
|
while (clipPath != NULL) {
|
|
nsvg__assignGradients(p, clipPath->shapes);
|
|
clipPath = clipPath->next;
|
|
}
|
|
symbol = p->symbols;
|
|
while (symbol) {
|
|
nsvg__assignGradients(p, symbol->shapes);
|
|
symbol = symbol->next;
|
|
}
|
|
nsvg__assignGradients(p, p->image->shapes);
|
|
nsvg__imageBounds(p->image, bounds);
|
|
#if 1
|
|
memcpy(p->image->realBounds, bounds, 4*sizeof(float));
|
|
|
|
DumpFloat2("image real bounds", bounds, 4);
|
|
p->image->width = bounds[2] - bounds[0];
|
|
p->image->height = bounds[3] - bounds[1];
|
|
#endif
|
|
DBG("scaled width=%f height=%f\n", p->image->width, p->image->height);
|
|
return p;
|
|
}
|
|
|
|
void nsvg__deleteShapes(NSVGshape* shape)
|
|
{
|
|
NSVGshape *snext;
|
|
while (shape != NULL) {
|
|
snext = shape->next;
|
|
if (!shape->link) { //don't touch fake shape!
|
|
nsvg__deleteFont(shape->fontFace);
|
|
shape->fontFace = NULL;
|
|
nsvg__deletePaint(&shape->fill);
|
|
nsvg__deletePaint(&shape->stroke);
|
|
}
|
|
if (shape->clip.index) {
|
|
FreePool(shape->clip.index);
|
|
}
|
|
FreePool(shape);
|
|
shape = snext;
|
|
}
|
|
}
|
|
|
|
void nsvg__deleteClipPaths(NSVGclipPath* path)
|
|
{
|
|
NSVGclipPath *pnext;
|
|
while (path != NULL) {
|
|
pnext = path->next;
|
|
nsvg__deleteShapes(path->shapes);
|
|
FreePool(path);
|
|
path = pnext;
|
|
}
|
|
}
|
|
|
|
void nsvgDelete(NSVGimage* image)
|
|
{
|
|
NSVGgroup *group, *gnext;
|
|
if (image == NULL) return;
|
|
nsvg__deleteShapes(image->shapes);
|
|
nsvg__deleteClipPaths(image->clipPaths);
|
|
group = image->groups;
|
|
while (group != NULL) {
|
|
gnext = group->next;
|
|
FreePool(group);
|
|
group = gnext;
|
|
}
|
|
FreePool(image);
|
|
}
|
|
/*
|
|
NSVGpath* nsvgDuplicatePath(NSVGpath* p)
|
|
{
|
|
NSVGpath* res = NULL;
|
|
|
|
if (p == NULL)
|
|
return NULL;
|
|
|
|
res = (NSVGpath*)AllocateZeroPool(sizeof(NSVGpath));
|
|
if (res == NULL) return NULL;
|
|
|
|
res->pts = (float*)AllocatePool(p->npts*2*sizeof(float));
|
|
if (res->pts == NULL) {
|
|
FreePool(res);
|
|
return NULL;
|
|
}
|
|
memcpy(res->pts, p->pts, p->npts * sizeof(float) * 2);
|
|
res->npts = p->npts;
|
|
|
|
memcpy(res->bounds, p->bounds, sizeof(p->bounds));
|
|
|
|
res->closed = p->closed;
|
|
|
|
return res;
|
|
}
|
|
*/
|
|
|
|
|