15 lines
646 B
Plaintext
15 lines
646 B
Plaintext
--- fig2dev/dev/readpng.c
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+++ fig2dev/dev/readpng.c 2010-04-20 15:22:10.142924814 +0000
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@@ -127,7 +127,11 @@ read_png(file,filetype,pic,llx,lly)
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if (png_get_PLTE(png_ptr, info_ptr, &palette, &num_palette)) {
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png_get_hIST(png_ptr, info_ptr, &histogram);
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+#if (PNG_LIBPNG_VER_MAJOR > 1 || (PNG_LIBPNG_VER_MAJOR == 1 && (PNG_LIBPNG_VER_MINOR > 4))) || defined(png_set_quantize)
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+ png_set_quantize(png_ptr, palette, num_palette, 256, histogram, 0);
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+#else
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png_set_dither(png_ptr, palette, num_palette, 256, histogram, 0);
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+#endif
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}
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}
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if (color_type == PNG_COLOR_TYPE_GRAY || color_type == PNG_COLOR_TYPE_GRAY_ALPHA) {
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