/* Copied and modified from png.c
logerror doesn't work here... changed to printf */
static int png_read_bitmap_gui(util::core_file &mfile, HGLOBAL *phDIB, HPALETTE *pPAL)
{
png_info p;
UINT32 i;
int bytespp;
if (png_read_file(mfile, &p) != PNGERR_NONE)
return 0;
if (p.color_type != 3 && p.color_type != 2)
{
printf("PNG Unsupported color type %i (has to be 2 or 3)\n", p.color_type);
//png_free(&p);
//return 0; Leave in so ppl can see incompatibility
}
if (p.interlace_method != 0)
{
printf("PNG Interlace unsupported\n");
png_free(&p);
return 0;
}
/* Convert < 8 bit to 8 bit */
png_expand_buffer_8bit(&p);
if (!AllocatePNG(&p, phDIB, pPAL))
{
printf("PNG Unable to allocate memory to display screenshot\n");
png_free(&p);
return 0;
}
bytespp = (p.color_type == 2) ? 3 : 1;
for (i = 0; i < p.height; i++)
{
UINT8 *ptr = p.image + i * (p.width * bytespp);
if (p.color_type == 2) /*(p->bit_depth > 8) */
{
int j;
UINT8 bTmp;
for (j = 0; j < p.width; j++)
{
bTmp = ptr[0];
ptr[0] = ptr[2];
ptr[2] = bTmp;
ptr += 3;
}
}
store_pixels(p.image + i * (p.width * bytespp), p.width * bytespp);
}
png_free(&p);
return 1;
}
/* Copied and modified from png.c */
static int png_read_bitmap(LPVOID mfile, HGLOBAL *phDIB, HPALETTE *pPAL)
{
png_info p;
UINT32 i;
int bytespp;
if (png_read_file(mfile, &p) != PNGERR_NONE)
return 0;
if (p.color_type != 3 && p.color_type != 2)
{
logerror("Unsupported color type %i (has to be 3)\n", p.color_type);
free(p.image);
return 0;
}
if (p.interlace_method != 0)
{
logerror("Interlace unsupported\n");
free (p.image);
return 0;
}
/* Convert < 8 bit to 8 bit */
png_expand_buffer_8bit(&p);
if (!AllocatePNG(&p, phDIB, pPAL))
{
logerror("Unable to allocate memory for artwork\n");
free(p.image);
return 0;
}
bytespp = (p.color_type == 2) ? 3 : 1;
for (i = 0; i < p.height; i++)
{
UINT8 *ptr = p.image + i * (p.width * bytespp);
if (p.color_type == 2) /*(p->bit_depth > 8) */
{
int j;
UINT8 bTmp;
for (j = 0; j < p.width; j++)
{
bTmp = ptr[0];
ptr[0] = ptr[2];
ptr[2] = bTmp;
ptr += 3;
}
}
store_pixels(p.image + i * (p.width * bytespp), p.width * bytespp);
}
free(p.image);
return 1;
}
