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Side by Side Diff: include/core/SkImageDecoder.h

Issue 1217573002: remove SkInstCnt (Closed) Base URL: https://skia.googlesource.com/skia@master
Patch Set: Created 5 years, 5 months ago
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1 /* 1 /*
2 * Copyright 2006 The Android Open Source Project 2 * Copyright 2006 The Android Open Source Project
3 * 3 *
4 * Use of this source code is governed by a BSD-style license that can be 4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file. 5 * found in the LICENSE file.
6 */ 6 */
7 7
8 #ifndef SkImageDecoder_DEFINED 8 #ifndef SkImageDecoder_DEFINED
9 #define SkImageDecoder_DEFINED 9 #define SkImageDecoder_DEFINED
10 10
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126 */ 126 */
127 bool getRequireUnpremultipliedColors() const { return fRequireUnpremultiplie dColors; } 127 bool getRequireUnpremultipliedColors() const { return fRequireUnpremultiplie dColors; }
128 128
129 /** \class Peeker 129 /** \class Peeker
130 130
131 Base class for optional callbacks to retrieve meta/chunk data out of 131 Base class for optional callbacks to retrieve meta/chunk data out of
132 an image as it is being decoded. 132 an image as it is being decoded.
133 */ 133 */
134 class Peeker : public SkRefCnt { 134 class Peeker : public SkRefCnt {
135 public: 135 public:
136 SK_DECLARE_INST_COUNT(Peeker)
137
138 /** Return true to continue decoding, or false to indicate an error, whi ch 136 /** Return true to continue decoding, or false to indicate an error, whi ch
139 will cause the decoder to not return the image. 137 will cause the decoder to not return the image.
140 */ 138 */
141 virtual bool peek(const char tag[], const void* data, size_t length) = 0 ; 139 virtual bool peek(const char tag[], const void* data, size_t length) = 0 ;
142 private: 140 private:
143 typedef SkRefCnt INHERITED; 141 typedef SkRefCnt INHERITED;
144 }; 142 };
145 143
146 Peeker* getPeeker() const { return fPeeker; } 144 Peeker* getPeeker() const { return fPeeker; }
147 Peeker* setPeeker(Peeker*); 145 Peeker* setPeeker(Peeker*);
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369 public: 367 public:
370 bool shouldCancelDecode() const { return fShouldCancelDecode; } 368 bool shouldCancelDecode() const { return fShouldCancelDecode; }
371 369
372 protected: 370 protected:
373 SkImageDecoder(); 371 SkImageDecoder();
374 372
375 /** 373 /**
376 * Return the default preference being used by the current or latest call t o decode. 374 * Return the default preference being used by the current or latest call t o decode.
377 */ 375 */
378 SkColorType getDefaultPref() { return fDefaultPref; } 376 SkColorType getDefaultPref() { return fDefaultPref; }
379 377
380 /* Helper for subclasses. Call this to allocate the pixel memory given the bitmap's info. 378 /* Helper for subclasses. Call this to allocate the pixel memory given the bitmap's info.
381 Returns true on success. This method handles checking for an optional Al locator. 379 Returns true on success. This method handles checking for an optional Al locator.
382 */ 380 */
383 bool allocPixelRef(SkBitmap*, SkColorTable*) const; 381 bool allocPixelRef(SkBitmap*, SkColorTable*) const;
384 382
385 /** 383 /**
386 * The raw data of the src image. 384 * The raw data of the src image.
387 */ 385 */
388 enum SrcDepth { 386 enum SrcDepth {
389 // Color-indexed. 387 // Color-indexed.
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414 }; 412 };
415 413
416 /** Calling newDecoder with a stream returns a new matching imagedecoder 414 /** Calling newDecoder with a stream returns a new matching imagedecoder
417 instance, or NULL if none can be found. The caller must manage its ownership 415 instance, or NULL if none can be found. The caller must manage its ownership
418 of the stream as usual, calling unref() when it is done, as the returned 416 of the stream as usual, calling unref() when it is done, as the returned
419 decoder may have called ref() (and if so, the decoder is responsible for 417 decoder may have called ref() (and if so, the decoder is responsible for
420 balancing its ownership when it is destroyed). 418 balancing its ownership when it is destroyed).
421 */ 419 */
422 class SkImageDecoderFactory : public SkRefCnt { 420 class SkImageDecoderFactory : public SkRefCnt {
423 public: 421 public:
424 SK_DECLARE_INST_COUNT(SkImageDecoderFactory) 422
425 423
426 virtual SkImageDecoder* newDecoder(SkStreamRewindable*) = 0; 424 virtual SkImageDecoder* newDecoder(SkStreamRewindable*) = 0;
427 425
428 private: 426 private:
429 typedef SkRefCnt INHERITED; 427 typedef SkRefCnt INHERITED;
430 }; 428 };
431 429
432 class SkDefaultImageDecoderFactory : SkImageDecoderFactory { 430 class SkDefaultImageDecoderFactory : SkImageDecoderFactory {
433 public: 431 public:
434 // calls SkImageDecoder::Factory(stream) 432 // calls SkImageDecoder::Factory(stream)
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461 DECLARE_DECODER_CREATOR(PKMImageDecoder); 459 DECLARE_DECODER_CREATOR(PKMImageDecoder);
462 DECLARE_DECODER_CREATOR(KTXImageDecoder); 460 DECLARE_DECODER_CREATOR(KTXImageDecoder);
463 DECLARE_DECODER_CREATOR(ASTCImageDecoder); 461 DECLARE_DECODER_CREATOR(ASTCImageDecoder);
464 462
465 // Typedefs to make registering decoder and formatter callbacks easier. 463 // Typedefs to make registering decoder and formatter callbacks easier.
466 // These have to be defined outside SkImageDecoder. :( 464 // These have to be defined outside SkImageDecoder. :(
467 typedef SkTRegistry<SkImageDecoder*(*)(SkStreamRewindable*)> SkImageDecod er_DecodeReg; 465 typedef SkTRegistry<SkImageDecoder*(*)(SkStreamRewindable*)> SkImageDecod er_DecodeReg;
468 typedef SkTRegistry<SkImageDecoder::Format(*)(SkStreamRewindable*)> SkImageDecod er_FormatReg; 466 typedef SkTRegistry<SkImageDecoder::Format(*)(SkStreamRewindable*)> SkImageDecod er_FormatReg;
469 467
470 #endif 468 #endif
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