raze-gles/source/build/include/pngwrite.h
hendricks266 7414f29348 Add buildvfs, abstraction layer for file I/O.
Currently it passes calls through to the system libraries as before.

Also adds an incomplete implementation on PhysFS.

git-svn-id: https://svn.eduke32.com/eduke32@7359 1a8010ca-5511-0410-912e-c29ae57300e0
2019-03-01 08:51:50 +00:00

39 lines
719 B
C

#ifndef __PNGWRITE_H__
#define __PNGWRITE_H__
#include "miniz.h"
#include "vfs.h"
#define CHUNK_COMPRESSED 1
#define CHUNK_ROW 2
enum
{
PNG_TRUECOLOR = 2,
PNG_INDEXED = 3,
};
#pragma pack(push, 1)
typedef struct
{
z_stream *zs;
buildvfs_FILE file;
uint8_t *pal_data;
uint16_t pal_entries;
uint8_t *text;
uint8_t textlen;
} pngwrite_t;
typedef struct
{
uint32_t width, height;
uint8_t depth, type, filler[3];
} png_ihdr_t;
#pragma pack(pop)
void png_set_pal(uint8_t const * data, int numentries);
void png_set_text(char const * keyword, char const * text);
void png_write(buildvfs_FILE file, uint32_t width, uint32_t height, uint8_t type, uint8_t const * data);
#endif