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Remove libpng dependency in the APNG decoder (flutter/engine#39622)

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Jason Simmons 2023-02-14 10:20:15 -08:00 committed by GitHub
parent 4504361bdb
commit cc7053c793
1 changed files with 1 additions and 3 deletions
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4
engine/src/flutter/lib/ui/painting/image_generator_apng.cc
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@ -7,7 +7,6 @@
#include <cstring>
#include "flutter/fml/logging.h"
#include "third_party/libpng/png.h"
#include "third_party/skia/include/codec/SkCodecAnimation.h"
#include "third_party/skia/include/core/SkAlphaType.h"
#include "third_party/skia/include/core/SkColorType.h"
@ -202,8 +201,7 @@ std::unique_ptr<ImageGenerator> APNGImageGenerator::MakeFromData(
}
// Validate the full PNG signature.
const uint8_t* data_p = static_cast<const uint8_t*>(data.get()->data());
if (png_sig_cmp(static_cast<png_const_bytep>(data_p), 0,
sizeof(kPngSignature))) {
if (memcmp(data_p, kPngSignature, sizeof(kPngSignature))) {
return nullptr;
}