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Unified Diff: include/codec/SkCodec.h

Issue 1040453002: Add SkPngChunkReader. (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Update SkImageDecoder_empty Created 5 years, 1 month ago
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Index: include/codec/SkCodec.h
diff --git a/include/codec/SkCodec.h b/include/codec/SkCodec.h
index d90fea8cedcf6d92ecdc8535e71962faaa376689..dffab6b3779207aeba99084810afb27d8416a097 100644
--- a/include/codec/SkCodec.h
+++ b/include/codec/SkCodec.h
@@ -17,6 +17,7 @@
#include "SkTypes.h"
class SkData;
+class SkPngChunkReader;
class SkSampler;
/**
@@ -28,18 +29,24 @@ public:
* If this stream represents an encoded image that we know how to decode,
* return an SkCodec that can decode it. Otherwise return NULL.
*
+ * If SkPngChunkReader is not NULL, take a ref and pass it to libpng if
+ * the image is a png.
+ *
* If NULL is returned, the stream is deleted immediately. Otherwise, the
* SkCodec takes ownership of it, and will delete it when done with it.
*/
- static SkCodec* NewFromStream(SkStream*);
+ static SkCodec* NewFromStream(SkStream*, SkPngChunkReader* = NULL);
/**
* If this data represents an encoded image that we know how to decode,
* return an SkCodec that can decode it. Otherwise return NULL.
*
+ * If SkPngChunkReader is not NULL, take a ref and pass it to libpng if
+ * the image is a png.
+ *
* Will take a ref if it returns a codec, else will not affect the data.
*/
- static SkCodec* NewFromData(SkData*);
+ static SkCodec* NewFromData(SkData*, SkPngChunkReader* = NULL);
virtual ~SkCodec();
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