mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-21 15:57:42 +01:00
287 lines
9.1 KiB
C++
Executable File
287 lines
9.1 KiB
C++
Executable File
/*
|
|
* libeg/load_icns.c
|
|
* Loading function for .icns Apple icon images
|
|
*
|
|
* Copyright (c) 2006 Christoph Pfisterer
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are
|
|
* met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* * Neither the name of Christoph Pfisterer nor the names of the
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
//#if !defined(LODEPNG)
|
|
#include "libegint.h"
|
|
#include "XImage.h"
|
|
|
|
#ifndef DEBUG_ALL
|
|
#define DEBUG_IMG 0
|
|
#else
|
|
#define DEBUG_IMG DEBUG_ALL
|
|
#endif
|
|
|
|
#if DEBUG_IMG == 0
|
|
#define DBG(...)
|
|
#else
|
|
#define DBG(...) DebugLog(DEBUG_IMG, __VA_ARGS__)
|
|
#endif
|
|
|
|
#define PLPTR(imagevar, colorname) ((UINT8 *) &((imagevar).GetPixelPtr(0,0)->colorname))
|
|
|
|
|
|
//these functions used for icns, not with png
|
|
void egInsertPlane(IN UINT8 *SrcDataPtr, IN UINT8 *DestPlanePtr, IN UINTN PixelCount)
|
|
{
|
|
UINTN i;
|
|
if (!SrcDataPtr || !DestPlanePtr) {
|
|
return;
|
|
}
|
|
|
|
for (i = 0; i < PixelCount; i++) {
|
|
*DestPlanePtr = *SrcDataPtr++;
|
|
DestPlanePtr += 4;
|
|
}
|
|
}
|
|
|
|
void egSetPlane(IN UINT8 *DestPlanePtr, IN UINT8 Value, IN UINT64 PixelCount)
|
|
{
|
|
UINT64 i;
|
|
if (!DestPlanePtr) {
|
|
return;
|
|
}
|
|
|
|
for (i = 0; i < PixelCount; i++) {
|
|
*DestPlanePtr = Value;
|
|
DestPlanePtr += 4;
|
|
}
|
|
}
|
|
|
|
void egCopyPlane(IN UINT8 *SrcPlanePtr, IN UINT8 *DestPlanePtr, IN UINTN PixelCount)
|
|
{
|
|
UINTN i;
|
|
if (!SrcPlanePtr || !DestPlanePtr) {
|
|
return;
|
|
}
|
|
|
|
for (i = 0; i < PixelCount; i++) {
|
|
*DestPlanePtr = *SrcPlanePtr;
|
|
DestPlanePtr += 4; SrcPlanePtr += 4;
|
|
}
|
|
}
|
|
|
|
|
|
//
|
|
// Decompress .icns RLE data
|
|
//
|
|
|
|
void egDecompressIcnsRLE(IN OUT UINT8 **CompData, IN OUT UINTN *CompLen, IN UINT8 *PixelData, IN UINTN PixelCount)
|
|
{
|
|
UINT8 *cp;
|
|
UINT8 *cp_end;
|
|
UINT8 *pp;
|
|
UINTN pp_left;
|
|
UINTN len, i;
|
|
UINT8 value;
|
|
|
|
// setup variables
|
|
cp = *CompData;
|
|
cp_end = cp + *CompLen;
|
|
pp = PixelData;
|
|
pp_left = PixelCount;
|
|
|
|
// decode
|
|
while (cp + 1 < cp_end && pp_left > 0) {
|
|
len = *cp++;
|
|
if (len & 0x80) { // compressed data: repeat next byte
|
|
len -= 125;
|
|
if (len > pp_left)
|
|
break;
|
|
value = *cp++;
|
|
for (i = 0; i < len; i++) {
|
|
*pp = value;
|
|
pp += 4;
|
|
}
|
|
} else { // uncompressed data: copy bytes
|
|
len++;
|
|
if (len > pp_left || cp + len > cp_end)
|
|
break;
|
|
for (i = 0; i < len; i++) {
|
|
*pp = *cp++;
|
|
pp += 4;
|
|
}
|
|
}
|
|
pp_left -= len;
|
|
}
|
|
|
|
if (pp_left > 0) {
|
|
DBG(" egDecompressIcnsRLE: still need %llu bytes of pixel data\n", pp_left);
|
|
}
|
|
|
|
// record what's left of the compressed data stream
|
|
*CompData = cp;
|
|
*CompLen = (UINTN)(cp_end - cp);
|
|
}
|
|
|
|
//
|
|
// Load Apple .icns icons
|
|
//
|
|
|
|
EFI_STATUS XImage::FromICNS(IN UINT8 *FileData, IN UINTN FileDataLength, IN UINTN IconSize)
|
|
{
|
|
UINT8 *Ptr, *BufferEnd, *DataPtr, *MaskPtr;
|
|
UINT32 BlockLen, DataLen, MaskLen;
|
|
UINTN FetchPixelSize, PixelCount, i;
|
|
UINT8 *CompData;
|
|
UINTN CompLen;
|
|
UINT8 *SrcPtr;
|
|
EFI_GRAPHICS_OUTPUT_BLT_PIXEL *DestPtr;
|
|
|
|
if (FileDataLength < 8 || FileData == NULL ||
|
|
FileData[0] != 'i' || FileData[1] != 'c' || FileData[2] != 'n' || FileData[3] != 's') {
|
|
// not an icns file...
|
|
DBG("not icns\n");
|
|
return EFI_NOT_FOUND; //it is null at this moment
|
|
}
|
|
|
|
FetchPixelSize = IconSize;
|
|
for (;;) {
|
|
DataPtr = NULL;
|
|
DataLen = 0;
|
|
MaskPtr = NULL;
|
|
MaskLen = 0;
|
|
|
|
Ptr = FileData + 8;
|
|
BufferEnd = FileData + FileDataLength;
|
|
// iterate over tagged blocks in the file
|
|
while (Ptr + 8 <= BufferEnd) {
|
|
BlockLen = ((UINT32)Ptr[4] << 24) + ((UINT32)Ptr[5] << 16) + ((UINT32)Ptr[6] << 8) + (UINT32)Ptr[7];
|
|
if (Ptr + BlockLen > BufferEnd) // block continues beyond end of file
|
|
break;
|
|
|
|
// extract the appropriate blocks for each pixel size
|
|
if (FetchPixelSize == 128) {
|
|
if (Ptr[0] == 'i' && Ptr[1] == 't' && Ptr[2] == '3' && Ptr[3] == '2') {
|
|
if (Ptr[8] == 0 && Ptr[9] == 0 && Ptr[10] == 0 && Ptr[11] == 0) {
|
|
DataPtr = Ptr + 12;
|
|
DataLen = BlockLen - 12;
|
|
}
|
|
} else if (Ptr[0] == 't' && Ptr[1] == '8' && Ptr[2] == 'm' && Ptr[3] == 'k') {
|
|
MaskPtr = Ptr + 8;
|
|
MaskLen = BlockLen - 8;
|
|
}
|
|
|
|
} else if (FetchPixelSize == 48) {
|
|
if (Ptr[0] == 'i' && Ptr[1] == 'h' && Ptr[2] == '3' && Ptr[3] == '2') {
|
|
DataPtr = Ptr + 8;
|
|
DataLen = BlockLen - 8;
|
|
} else if (Ptr[0] == 'h' && Ptr[1] == '8' && Ptr[2] == 'm' && Ptr[3] == 'k') {
|
|
MaskPtr = Ptr + 8;
|
|
MaskLen = BlockLen - 8;
|
|
}
|
|
|
|
} else if (FetchPixelSize == 32) {
|
|
if (Ptr[0] == 'i' && Ptr[1] == 'l' && Ptr[2] == '3' && Ptr[3] == '2') {
|
|
DataPtr = Ptr + 8;
|
|
DataLen = BlockLen - 8;
|
|
} else if (Ptr[0] == 'l' && Ptr[1] == '8' && Ptr[2] == 'm' && Ptr[3] == 'k') {
|
|
MaskPtr = Ptr + 8;
|
|
MaskLen = BlockLen - 8;
|
|
}
|
|
|
|
} else if (FetchPixelSize == 16) {
|
|
if (Ptr[0] == 'i' && Ptr[1] == 's' && Ptr[2] == '3' && Ptr[3] == '2') {
|
|
DataPtr = Ptr + 8;
|
|
DataLen = BlockLen - 8;
|
|
} else if (Ptr[0] == 's' && Ptr[1] == '8' && Ptr[2] == 'm' && Ptr[3] == 'k') {
|
|
MaskPtr = Ptr + 8;
|
|
MaskLen = BlockLen - 8;
|
|
}
|
|
|
|
}
|
|
|
|
Ptr += BlockLen;
|
|
}
|
|
//TODO - take different larger size if not found
|
|
// FUTURE: try to load a different size and scale it later
|
|
if (DataPtr == NULL && FetchPixelSize == 128) {
|
|
FetchPixelSize = 32;
|
|
continue;
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
if (DataPtr == NULL) {
|
|
DBG("not found such IconSize\n");
|
|
return EFI_NOT_FOUND; // no image found
|
|
}
|
|
|
|
// allocate image structure and buffer
|
|
// NewImage = egCreateImage(FetchPixelSize, FetchPixelSize, WantAlpha);
|
|
// if (NewImage == NULL)
|
|
// return NULL;
|
|
setSizeInPixels(FetchPixelSize, FetchPixelSize);
|
|
PixelCount = FetchPixelSize * FetchPixelSize;
|
|
|
|
if (DataLen < PixelCount * 3) {
|
|
|
|
// pixel data is compressed, RGB planar
|
|
CompData = DataPtr;
|
|
CompLen = DataLen;
|
|
egDecompressIcnsRLE(&CompData, &CompLen, PLPTR(*this, Red), PixelCount);
|
|
egDecompressIcnsRLE(&CompData, &CompLen, PLPTR(*this, Green), PixelCount);
|
|
egDecompressIcnsRLE(&CompData, &CompLen, PLPTR(*this, Blue), PixelCount);
|
|
// possible assertion: CompLen == 0
|
|
if (CompLen > 0) {
|
|
DBG(" egLoadICNSIcon: %llu bytes of compressed data left\n", CompLen);
|
|
}
|
|
|
|
} else {
|
|
|
|
// pixel data is uncompressed, RGB interleaved
|
|
SrcPtr = DataPtr;
|
|
DestPtr = GetPixelPtr(0,0);
|
|
for (i = 0; i < PixelCount; i++, DestPtr++) {
|
|
DestPtr->Red = *SrcPtr++;
|
|
DestPtr->Green = *SrcPtr++;
|
|
DestPtr->Blue = *SrcPtr++;
|
|
}
|
|
|
|
}
|
|
|
|
// add/set alpha plane
|
|
if (MaskPtr != NULL && MaskLen >= PixelCount)
|
|
egInsertPlane(MaskPtr, PLPTR(*this, Reserved), PixelCount);
|
|
else
|
|
egSetPlane(PLPTR(*this, Reserved), 255, PixelCount);
|
|
|
|
// FUTURE: scale to originally requested size if we had to load another size
|
|
|
|
return EFI_SUCCESS;
|
|
}
|
|
//#endif
|
|
/* EOF */
|