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-rw-r--r--include/codec/SkCodec.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/include/codec/SkCodec.h b/include/codec/SkCodec.h
index 30bbd0f71c..5e80f8fc2c 100644
--- a/include/codec/SkCodec.h
+++ b/include/codec/SkCodec.h
@@ -619,7 +619,10 @@ public:
* This is conservative; it will still return non-opaque if e.g. a
* color index-based frame has a color with alpha but does not use it.
*/
+#ifdef SK_LEGACY_FRAME_INFO_ALPHA_TYPE
SkAlphaType fAlphaType;
+#endif
+ SkEncodedInfo::Alpha fAlpha;
/**
* How this frame should be modified before decoding the next one.
@@ -806,8 +809,12 @@ protected:
virtual int onOutputScanline(int inputScanline) const;
- bool initializeColorXform(const SkImageInfo& dstInfo,
+ bool initializeColorXform(const SkImageInfo& dstInfo, SkEncodedInfo::Alpha,
SkTransferFunctionBehavior premulBehavior);
+ // Some classes never need a colorXform e.g.
+ // - ICO uses its embedded codec's colorXform
+ // - WBMP is just Black/White
+ virtual bool usesColorXform() const { return true; }
void applyColorXform(void* dst, const void* src, int count, SkAlphaType) const;
void applyColorXform(void* dst, const void* src, int count) const;