CloverBootloader/rEFIt_UEFI/libeg/XImage.h
jief 8de61a22fb XIcon::GetBest now returns a reference, which save time and memory.
Added some const.
Remove GetIconP from XTheme.
2023-11-07 17:40:28 +01:00

132 lines
4.4 KiB
C++

/*
This class will replace EG_IMAGE structure and methods
*/
#if !defined(__XIMAGE_H__)
#define __XIMAGE_H__
extern "C" {
#include <Protocol/GraphicsOutput.h>
}
#include "../cpp_foundation/XArray.h"
#include "../cpp_foundation/XString.h"
#include "../libeg/libeg.h"
//#include "lodepng.h"
//
//#include "nanosvg.h"
//#include "FloatLib.h"
#if 0 //ndef EFI_GRAPHICS_OUTPUT_BLT_PIXEL
typedef struct {
UINT8 Blue;
UINT8 Green;
UINT8 Red;
UINT8 Reserved; //this is Alpha. 0 means full transparent, 0xFF means opaque
} EFI_GRAPHICS_OUTPUT_BLT_PIXEL;
typedef union {
EFI_GRAPHICS_OUTPUT_BLT_PIXEL Pixel;
UINT32 Raw;
} EFI_GRAPHICS_OUTPUT_BLT_PIXEL_UNION;
#endif
/*
typedef struct {
UINTN Xpos;
UINTN Ypos;
UINTN Width;
UINTN Height;
} EgRect;
*/
class XImage
{
protected:
size_t Width; //may be better to use INTN - signed integer as it always compared with expressions
size_t Height;
XArray<EFI_GRAPHICS_OUTPUT_BLT_PIXEL> PixelData;
public:
XImage() : Width(0), Height(0), PixelData() {};
XImage(UINTN W, UINTN H);
XImage(const XImage& Image, float scale = 0.f); //the constructor can accept 0 scale as 1.f
virtual ~XImage();
XImage& operator= (const XImage& other);
UINTN GetSizeInBytes() const; //in bytes
void setSizeInPixels(UINTN W, UINTN H);
const XArray<EFI_GRAPHICS_OUTPUT_BLT_PIXEL>& GetData() const;
const EFI_GRAPHICS_OUTPUT_BLT_PIXEL& GetPixel(INTN x, INTN y) const;
const EFI_GRAPHICS_OUTPUT_BLT_PIXEL* GetPixelPtr(INTN x, INTN y) const ;
EFI_GRAPHICS_OUTPUT_BLT_PIXEL* GetPixelPtr(INTN x, INTN y);
INTN GetWidth() const { return (INTN)Width; }
INTN GetHeight() const { return (INTN)Height; }
void setZero() { SetMem( (void*)GetPixelPtr(0, 0), GetSizeInBytes(), 0); }
void setEmpty() { Width=0; Height=0; PixelData.setEmpty(); }
XBool isEmpty() const { return PixelData.size() == 0; }
void Fill(const EFI_GRAPHICS_OUTPUT_BLT_PIXEL& Color = { 0, 0, 0, 0 });
void Fill(const EG_PIXEL* Color);
void FillArea(const EG_PIXEL* Color, EG_RECT& Rect);
void FillArea(const EFI_GRAPHICS_OUTPUT_BLT_PIXEL& Color, EG_RECT& Rect);
UINT8 Smooth(const UINT8* p, int a01, int a10, int a21, int a12, float dx, float dy, float scale);
void Copy(XImage* Image);
void CopyScaled(const XImage& Image, float scale = 0.f);
void CopyRect(const XImage& Image, INTN X, INTN Y);
void CopyRect(const XImage& Image, const EG_RECT& OwnPlace, const EG_RECT& InputRect);
void Compose(const EG_RECT& OwnPlace, const EG_RECT& InputRect, const XImage& TopImage, XBool Lowest, float TopScale = 0.f);
void Compose(INTN PosX, INTN PosY, const XImage& TopImage, XBool Lowest, float topScale = 0); //instead of compose we often can Back.Draw(...) + Top.Draw(...)
void FlipRB();
EFI_STATUS FromPNG(const UINT8 * Data, UINTN Lenght);
EFI_STATUS ToPNG(UINT8** Data, UINTN& OutSize);
EFI_STATUS FromSVG(const CHAR8 *SVGData, float scale);
EFI_STATUS FromICNS(IN UINT8 *FileData, IN UINTN FileDataLength, IN UINTN IconSize);
void GetArea(const EG_RECT& Rect);
void GetArea(INTN x, INTN y, UINTN W, UINTN H);
void Draw(INTN x, INTN y, float scale, XBool Opaque) const;
void Draw(INTN x, INTN y, float scale) const; //can accept 0 scale as 1.f
void Draw(INTN x, INTN y) const;
void DrawWithoutCompose(INTN x, INTN y, UINTN width = 0, UINTN height = 0) const;
void DrawOnBack(INTN x, INTN y, const XImage& Plate) const;
//I changed the name because LoadImage is too widely used
// will be used instead of old egLoadImage
EFI_STATUS LoadXImage(const EFI_FILE *Dir, const XStringW& FileName); //for example LoadImage(ThemeDir, L"icons\\" + Name);
EFI_STATUS LoadXImage(const EFI_FILE *Dir, const wchar_t* LIconName);
EFI_STATUS LoadXImage(const EFI_FILE *Dir, const char* IconName);
EFI_STATUS LoadIcns(const EFI_FILE *Dir, IN CONST CHAR16 *FileName, IN UINTN PixelSize);
void EnsureImageSize(IN UINTN Width, IN UINTN Height, IN CONST EFI_GRAPHICS_OUTPUT_BLT_PIXEL& Color);
void EnsureImageSize(IN UINTN NewWidth, IN UINTN NewHeight);
void DummyImage(IN UINTN PixelSize);
protected:
};
extern XImage NullXImage;
class IndexedImage
{
public:
protected:
INTN Id;
XImage Image;
public:
INTN getIndex() const { return Id; }
void setIndex(INTN Index) { Id = Index; }
const XImage& getImage() const { return Image; }
void setImage(const XImage& Sample) { Image = Sample; }
IndexedImage() : Id(0), Image() {}
IndexedImage(INTN ID) : Id(ID), Image() {}
~IndexedImage() {}
};
#endif //__XSTRINGW_H__