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(png_load): Remove `unused vars intent, image_gamma' warning.

This commit is contained in:
Stefan Monnier 2003-05-25 17:46:34 +00:00
parent 1e7b70b253
commit 8972820c93

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@ -7579,8 +7579,7 @@ png_load (f, img)
png_byte channels;
png_uint_32 row_bytes;
int transparent_p;
double screen_gamma, image_gamma;
int intent;
double screen_gamma;
struct png_memory_storage tbr; /* Data to be read */
/* Find out what file to load. */
@ -7719,19 +7718,22 @@ png_load (f, img)
screen_gamma = (f->gamma ? 1 / f->gamma / 0.45455 : 2.2);
#if 0 /* Avoid double gamma correction for PNG images. */
/* Tell the PNG lib to handle gamma correction for us. */
{ /* Tell the PNG lib to handle gamma correction for us. */
int intent;
double image_gamma;
#if defined(PNG_READ_sRGB_SUPPORTED) || defined(PNG_WRITE_sRGB_SUPPORTED)
if (png_get_sRGB (png_ptr, info_ptr, &intent))
/* The libpng documentation says this is right in this case. */
png_set_gamma (png_ptr, screen_gamma, 0.45455);
else
if (png_get_sRGB (png_ptr, info_ptr, &intent))
/* The libpng documentation says this is right in this case. */
png_set_gamma (png_ptr, screen_gamma, 0.45455);
else
#endif
if (png_get_gAMA (png_ptr, info_ptr, &image_gamma))
/* Image contains gamma information. */
png_set_gamma (png_ptr, screen_gamma, image_gamma);
else
/* Use the standard default for the image gamma. */
png_set_gamma (png_ptr, screen_gamma, 0.45455);
if (png_get_gAMA (png_ptr, info_ptr, &image_gamma))
/* Image contains gamma information. */
png_set_gamma (png_ptr, screen_gamma, image_gamma);
else
/* Use the standard default for the image gamma. */
png_set_gamma (png_ptr, screen_gamma, 0.45455);
}
#endif /* if 0 */
/* Handle alpha channel by combining the image with a background