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/* This file is part of dvi2bitmap; see README for copyrights and licence */
#ifndef PNGBITMAP_HEADER_READ
#define PNGBITMAP_HEADER_READ 1
#include "BitmapImage.h"
#ifdef HAVE_CSTD_INCLUDE
#include <cstdio>
#else
#include <stdio.h>
#endif
#include <png.h>
class PNGBitmap : public BitmapImage {
public:
PNGBitmap (const int w, const int h, const int bpp=1);
~PNGBitmap ();
void write (const string filename);
string fileExtension () const { return "png"; }
static const char *version_string (void) { return PNG_LIBPNG_VER_STRING; };
private:
static png_structp png_ptr_;
static png_infop info_ptr_;
static png_color* palettes_[];
static png_byte* trans_[];
static void png_error_fn (png_structp png_ptr,
png_const_charp error_msg);
static void png_warning_fn (png_structp png_ptr,
png_const_charp warning_msg);
};
#endif /* #ifndef PNGBITMAP_HEADER_READ */
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