зеркало из https://github.com/mozilla/gecko-dev.git
32 строки
961 B
Diff
32 строки
961 B
Diff
diff --git a/pngwutil.c b/pngwutil.c
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--- a/pngwutil.c
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+++ b/pngwutil.c
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@@ -336,8 +336,10 @@ png_deflate_claim(png_structrp png_ptr,
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if ((png_ptr->flags & PNG_FLAG_ZLIB_CUSTOM_STRATEGY) != 0)
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strategy = png_ptr->zlib_strategy;
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+#ifdef PNG_WRITE_FILTER_SUPPORTED
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else if (png_ptr->do_filter != PNG_FILTER_NONE)
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strategy = PNG_Z_DEFAULT_STRATEGY;
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+#endif
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else
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strategy = PNG_Z_DEFAULT_NOFILTER_STRATEGY;
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@@ -828,12 +830,16 @@ png_write_IHDR(png_structrp png_ptr, png
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if ((png_ptr->do_filter) == PNG_NO_FILTERS)
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{
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+#ifdef PNG_WRITE_FILTER_SUPPORTED
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if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE ||
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png_ptr->bit_depth < 8)
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png_ptr->do_filter = PNG_FILTER_NONE;
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else
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png_ptr->do_filter = PNG_ALL_FILTERS;
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+#else
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+ png_ptr->do_filter = PNG_FILTER_NONE;
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+#endif
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}
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png_ptr->mode = PNG_HAVE_IHDR; /* not READY_FOR_ZTXT */
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