png_tool.h

Go to the documentation of this file.

#ifndef  __JBXL_PNG_TOOL_H_
#define  __JBXL_PNG_TOOL_H_
 
#include "xtools.h"
 
#ifndef HAVE_PNG_H
#ifndef DISABLE_PNG
#define DISABLE_PNG
#endif
#endif
 
#ifdef  DISABLE_PNG
#undef  ENABLE_PNG
#endif
 
 
#ifdef  ENABLE_PNG
 
#include "gdata.h"
#include <png.h>
 
#ifndef PNG_SIGNATURE_SIZE
#define  PNG_SIGNATURE_SIZE  8
#endif
 
 
typedef struct
{
    int      xs;
    int      ys;
    int      col;
    int      state;
    uByte    type;
    uByte*   gp;
    //
} PNGImage;
 
 
 
 
PNGImage   read_png_file (const char* fname);
int        write_png_file(const char* fname, PNGImage* png);
 
WSGraph    PNGImage2WSGraph(PNGImage png);
BSGraph    PNGImage2BSGraph(PNGImage png);
PNGImage   WSGraph2PNGImage(WSGraph vp);
PNGImage   BSGraph2PNGImage(BSGraph vp);
 
void       free_PNGImage(PNGImage* png);
 
 
#endif      // DISABLE_PNG
#endif      // __JBXL_PNG_TOOL_H_