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Bug 1194059 (Part 2) - Always detect IS_ANIMATED during the metadata decode. r=tn

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This commit is contained in:
Seth Fowler
2015-08-14 00:37:13 -07:00
parent 546d267e04
commit 4508b595bb
14 changed files with 282 additions and 261 deletions
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41
image/DecoderFactory.cpp
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@@ -113,8 +113,7 @@ DecoderFactory::CreateDecoder(DecoderType aType,
int aSampleSize,
const IntSize& aResolution,
bool aIsRedecode,
bool aImageIsTransient,
bool aImageIsLocked)
bool aImageIsTransient)
{
if (aType == DecoderType::UNKNOWN) {
return nullptr;
@@ -131,10 +130,7 @@ DecoderFactory::CreateDecoder(DecoderType aType,
decoder->SetResolution(aResolution);
decoder->SetSendPartialInvalidations(!aIsRedecode);
decoder->SetImageIsTransient(aImageIsTransient);
if (aImageIsLocked) {
decoder->SetImageIsLocked();
}
decoder->SetIsFirstFrameDecode();
// Set a target size for downscale-during-decode if applicable.
if (aTargetSize) {
@@ -152,6 +148,39 @@ DecoderFactory::CreateDecoder(DecoderType aType,
return decoder.forget();
}
/* static */ already_AddRefed<Decoder>
DecoderFactory::CreateAnimationDecoder(DecoderType aType,
RasterImage* aImage,
SourceBuffer* aSourceBuffer,
uint32_t aFlags,
const IntSize& aResolution)
{
if (aType == DecoderType::UNKNOWN) {
return nullptr;
}
MOZ_ASSERT(aType == DecoderType::GIF || aType == DecoderType::PNG,
"Calling CreateAnimationDecoder for non-animating DecoderType");
nsRefPtr<Decoder> decoder =
GetDecoder(aType, aImage, /* aIsRedecode = */ true);
MOZ_ASSERT(decoder, "Should have a decoder now");
// Initialize the decoder.
decoder->SetMetadataDecode(false);
decoder->SetIterator(aSourceBuffer->Iterator());
decoder->SetFlags(aFlags);
decoder->SetResolution(aResolution);
decoder->SetSendPartialInvalidations(false);
decoder->Init();
if (NS_FAILED(decoder->GetDecoderError())) {
return nullptr;
}
return decoder.forget();
}
/* static */ already_AddRefed<Decoder>
DecoderFactory::CreateMetadataDecoder(DecoderType aType,
RasterImage* aImage,