public PNG_INFO png_get_sRGB(ref PNG_sRGB_INTENT file_srgb_intent)
{
if ((info_ptr_valid & PNG_INFO.sRGB) != PNG_INFO.sRGB)
{
return(PNG_INFO.None);
}
file_srgb_intent = info_ptr_srgb_intent;
return(PNG_INFO.sRGB);
}
public PNG_INFO png_get_sRGB(ref PNG_sRGB_INTENT file_srgb_intent)
{
if((info_ptr_valid&PNG_INFO.sRGB)!=PNG_INFO.sRGB) return PNG_INFO.None;
file_srgb_intent=info_ptr_srgb_intent;
return PNG_INFO.sRGB;
}
public void png_set_sRGB_gAMA_and_cHRM(PNG_sRGB_INTENT intent)
{
png_set_sRGB(intent);
png_set_gAMA(0.45455);
png_set_cHRM(0.3127, 0.329, 0.64, 0.33, 0.3, 0.6, 0.15, 0.06);
}
public void png_set_sRGB(PNG_sRGB_INTENT intent)
{
info_ptr_srgb_intent = intent;
info_ptr_valid |= PNG_INFO.sRGB;
}
public void png_set_sRGB_gAMA_and_cHRM(PNG_sRGB_INTENT intent)
{
png_set_sRGB(intent);
png_set_gAMA(0.45455);
png_set_cHRM(0.3127, 0.329, 0.64, 0.33, 0.3, 0.6, 0.15, 0.06);
}
public void png_set_sRGB(PNG_sRGB_INTENT intent)
{
info_ptr_srgb_intent=intent;
info_ptr_valid|=PNG_INFO.sRGB;
}
// write a sRGB chunk
void png_write_sRGB(PNG_sRGB_INTENT srgb_intent)
{
if(srgb_intent>=PNG_sRGB_INTENT.LAST) Debug.WriteLine("Invalid sRGB rendering intent specified");
buf4[0]=(byte)srgb_intent;
png_write_chunk(PNG.sRGB, buf4, 1);
}