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-rw-r--r--include/core/SkImageDecoder.h34
1 files changed, 17 insertions, 17 deletions
diff --git a/include/core/SkImageDecoder.h b/include/core/SkImageDecoder.h
index 30323b59ee..144878c166 100644
--- a/include/core/SkImageDecoder.h
+++ b/include/core/SkImageDecoder.h
@@ -10,14 +10,11 @@
#include "SkBitmap.h"
#include "SkImage.h"
-#include "SkPngChunkReader.h"
#include "SkRect.h"
#include "SkRefCnt.h"
#include "SkTRegistry.h"
#include "SkTypes.h"
-//#define SK_LEGACY_PEEKER
-
class SkStream;
class SkStreamRewindable;
@@ -129,20 +126,23 @@ public:
*/
bool getRequireUnpremultipliedColors() const { return fRequireUnpremultipliedColors; }
-#ifdef SK_LEGACY_PEEKER
- // Android subclasses SkImageDecoder::Peeker, which has been changed into SkPngChunkReader.
- // Temporarily use this class until Android can be updated to directly inherit from
- // SkPngChunkReader.
- class Peeker : public SkPngChunkReader {
+ /** \class Peeker
+
+ Base class for optional callbacks to retrieve meta/chunk data out of
+ an image as it is being decoded.
+ */
+ class Peeker : public SkRefCnt {
public:
- bool readChunk(const char tag[], const void* data, size_t length) final {
- return this->peek(tag, data, length);
- }
+ /** Return true to continue decoding, or false to indicate an error, which
+ will cause the decoder to not return the image.
+ */
virtual bool peek(const char tag[], const void* data, size_t length) = 0;
+ private:
+ typedef SkRefCnt INHERITED;
};
-#endif
- SkPngChunkReader* getPeeker() const { return fPeeker; }
- SkPngChunkReader* setPeeker(SkPngChunkReader*);
+
+ Peeker* getPeeker() const { return fPeeker; }
+ Peeker* setPeeker(Peeker*);
/**
* By default, the codec will try to comply with the "pref" colortype
@@ -229,8 +229,8 @@ public:
to allocate the memory from a cache, volatile memory, or even from
an existing bitmap's memory.
- If an SkPngChunkReader is installed via setPeeker, it may be used to
- peek into meta data during the decode.
+ If a Peeker is installed via setPeeker, it may be used to peek into
+ meta data during the decode.
*/
Result decode(SkStream*, SkBitmap* bitmap, SkColorType pref, Mode);
Result decode(SkStream* stream, SkBitmap* bitmap, Mode mode) {
@@ -350,7 +350,7 @@ protected:
SkColorType getPrefColorType(SrcDepth, bool hasAlpha) const;
private:
- SkPngChunkReader* fPeeker;
+ Peeker* fPeeker;
SkBitmap::Allocator* fAllocator;
int fSampleSize;
SkColorType fDefaultPref; // use if fUsePrefTable is false