33 
  34 void PNGAPI
  35 my_png_read_stream(png_structp png_ptr, png_bytep data, png_size_t length)
  36 {
  37     png_uint_32 check;
  38 
  39     SplashStream * stream = (SplashStream*)png_get_io_ptr(png_ptr);
  40     check = stream->read(stream, data, length);
  41     if (check != length)
  42         png_error(png_ptr, "Read Error");
  43 }
  44 
  45 int
  46 SplashDecodePng(Splash * splash, png_rw_ptr read_func, void *io_ptr)
  47 {
  48     int stride;
  49     ImageFormat srcFormat;
  50     png_uint_32 i, rowbytes;
  51     volatile png_bytepp row_pointers = NULL;
  52     volatile png_bytep image_data = NULL;
  53     int success = 0;
  54     double gamma;
  55 
  56     png_structp png_ptr = NULL;
  57     png_infop info_ptr = NULL;
  58 
  59     png_uint_32 width, height;
  60     int bit_depth, color_type;
  61 
  62     ImageRect srcRect, dstRect;
  63 
  64     png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
  65     if (!png_ptr) {
  66         goto done;
  67     }
  68 
  69     info_ptr = png_create_info_struct(png_ptr);
  70     if (!info_ptr) {
  71         goto done;
  72     }
  73 

  33 
  34 void PNGAPI
  35 my_png_read_stream(png_structp png_ptr, png_bytep data, png_size_t length)
  36 {
  37     png_uint_32 check;
  38 
  39     SplashStream * stream = (SplashStream*)png_get_io_ptr(png_ptr);
  40     check = stream->read(stream, data, length);
  41     if (check != length)
  42         png_error(png_ptr, "Read Error");
  43 }
  44 
  45 int
  46 SplashDecodePng(Splash * splash, png_rw_ptr read_func, void *io_ptr)
  47 {
  48     int stride;
  49     ImageFormat srcFormat;
  50     png_uint_32 i, rowbytes;
  51     volatile png_bytepp row_pointers = NULL;
  52     volatile png_bytep image_data = NULL;
  53     volatile int success = 0;
  54     double gamma;
  55 
  56     png_structp png_ptr = NULL;
  57     png_infop info_ptr = NULL;
  58 
  59     png_uint_32 width, height;
  60     int bit_depth, color_type;
  61 
  62     ImageRect srcRect, dstRect;
  63 
  64     png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
  65     if (!png_ptr) {
  66         goto done;
  67     }
  68 
  69     info_ptr = png_create_info_struct(png_ptr);
  70     if (!info_ptr) {
  71         goto done;
  72     }
  73