mirror of
https://github.com/italicsjenga/agb.git
synced 2024-12-26 09:41:34 +11:00
56 lines
2.2 KiB
C
56 lines
2.2 KiB
C
/* Copyright (c) 2013-2014 Jeffrey Pfau
|
|
*
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
#ifndef PNG_IO_H
|
|
#define PNG_IO_H
|
|
|
|
#include <mgba-util/common.h>
|
|
|
|
CXX_GUARD_START
|
|
|
|
#ifdef USE_PNG
|
|
|
|
// png.h defines its own version of restrict which conflicts with mGBA's.
|
|
#ifdef restrict
|
|
#undef restrict
|
|
#endif
|
|
#include <png.h>
|
|
|
|
struct VFile;
|
|
|
|
enum {
|
|
PNG_HEADER_BYTES = 8
|
|
};
|
|
|
|
png_structp PNGWriteOpen(struct VFile* source);
|
|
png_infop PNGWriteHeader(png_structp png, unsigned width, unsigned height);
|
|
png_infop PNGWriteHeaderA(png_structp png, unsigned width, unsigned height);
|
|
png_infop PNGWriteHeader8(png_structp png, unsigned width, unsigned height);
|
|
bool PNGWritePalette(png_structp png, png_infop info, const uint32_t* palette, unsigned entries);
|
|
bool PNGWritePixels(png_structp png, unsigned width, unsigned height, unsigned stride, const void* pixels);
|
|
bool PNGWritePixelsA(png_structp png, unsigned width, unsigned height, unsigned stride, const void* pixels);
|
|
bool PNGWritePixels8(png_structp png, unsigned width, unsigned height, unsigned stride, const void* pixels);
|
|
bool PNGWriteCustomChunk(png_structp png, const char* name, size_t size, void* data);
|
|
void PNGWriteClose(png_structp png, png_infop info);
|
|
|
|
typedef int (*ChunkHandler)(png_structp, png_unknown_chunkp);
|
|
|
|
bool isPNG(struct VFile* source);
|
|
png_structp PNGReadOpen(struct VFile* source, unsigned offset);
|
|
bool PNGInstallChunkHandler(png_structp png, void* context, ChunkHandler handler, const char* chunkName);
|
|
bool PNGReadHeader(png_structp png, png_infop info);
|
|
bool PNGReadPixels(png_structp png, png_infop info, void* pixels, unsigned width, unsigned height, unsigned stride);
|
|
bool PNGReadPixelsA(png_structp png, png_infop info, void* pixels, unsigned width, unsigned height, unsigned stride);
|
|
bool PNGReadPixels8(png_structp png, png_infop info, void* pixels, unsigned width, unsigned height, unsigned stride);
|
|
bool PNGIgnorePixels(png_structp png, png_infop info);
|
|
bool PNGReadFooter(png_structp png, png_infop end);
|
|
void PNGReadClose(png_structp png, png_infop info, png_infop end);
|
|
|
|
#endif
|
|
|
|
CXX_GUARD_END
|
|
|
|
#endif
|