Check libpng version before reading color space
TBR=scroggo@google.com
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1767723003
Review URL: https://codereview.chromium.org/1767723003
diff --git a/src/codec/SkPngCodec.cpp b/src/codec/SkPngCodec.cpp
index 1b51432..23f7bee 100644
--- a/src/codec/SkPngCodec.cpp
+++ b/src/codec/SkPngCodec.cpp
@@ -178,6 +178,8 @@
// return NULL.
SkColorSpace* read_color_space(png_structp png_ptr, png_infop info_ptr) {
+#if (PNG_LIBPNG_VER_MAJOR > 1) || (PNG_LIBPNG_VER_MAJOR == 1 && PNG_LIBPNG_VER_MINOR >= 6)
+
// First check for an ICC profile
png_bytep profile;
png_uint_32 length;
@@ -249,6 +251,8 @@
return SkColorSpace::NewRGB(toXYZD50, gammas);
}
+#endif // LIBPNG >= 1.6
+
// Finally, what should we do if there is no color space information in the PNG?
// The specification says that this indicates "gamma is unknown" and that the
// "color is device dependent". I'm assuming we can represent this with NULL.