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(png_load): Remove `unused vars intent, image_gamma' warning.
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parent
1e7b70b253
commit
8972820c93
28
src/xfns.c
28
src/xfns.c
@ -7579,8 +7579,7 @@ png_load (f, img)
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png_byte channels;
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png_uint_32 row_bytes;
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int transparent_p;
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double screen_gamma, image_gamma;
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int intent;
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double screen_gamma;
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struct png_memory_storage tbr; /* Data to be read */
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/* Find out what file to load. */
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@ -7719,19 +7718,22 @@ png_load (f, img)
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screen_gamma = (f->gamma ? 1 / f->gamma / 0.45455 : 2.2);
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#if 0 /* Avoid double gamma correction for PNG images. */
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/* Tell the PNG lib to handle gamma correction for us. */
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{ /* Tell the PNG lib to handle gamma correction for us. */
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int intent;
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double image_gamma;
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#if defined(PNG_READ_sRGB_SUPPORTED) || defined(PNG_WRITE_sRGB_SUPPORTED)
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if (png_get_sRGB (png_ptr, info_ptr, &intent))
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/* The libpng documentation says this is right in this case. */
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png_set_gamma (png_ptr, screen_gamma, 0.45455);
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else
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if (png_get_sRGB (png_ptr, info_ptr, &intent))
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/* The libpng documentation says this is right in this case. */
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png_set_gamma (png_ptr, screen_gamma, 0.45455);
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else
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#endif
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if (png_get_gAMA (png_ptr, info_ptr, &image_gamma))
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/* Image contains gamma information. */
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png_set_gamma (png_ptr, screen_gamma, image_gamma);
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else
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/* Use the standard default for the image gamma. */
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png_set_gamma (png_ptr, screen_gamma, 0.45455);
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if (png_get_gAMA (png_ptr, info_ptr, &image_gamma))
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/* Image contains gamma information. */
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png_set_gamma (png_ptr, screen_gamma, image_gamma);
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else
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/* Use the standard default for the image gamma. */
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png_set_gamma (png_ptr, screen_gamma, 0.45455);
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}
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#endif /* if 0 */
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/* Handle alpha channel by combining the image with a background
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