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

Issue 54363008: move SkImage::ColorType into SkColorType (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: Created 7 years, 1 month ago
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1 1
2 /* 2 /*
3 * Copyright 2006 The Android Open Source Project 3 * Copyright 2006 The Android Open Source Project
4 * 4 *
5 * Use of this source code is governed by a BSD-style license that can be 5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file. 6 * found in the LICENSE file.
7 */ 7 */
8 8
9 9
10 #ifndef SkImageDecoder_DEFINED 10 #ifndef SkImageDecoder_DEFINED
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370 * @param info Output parameter. Returns info about the encoded image. 370 * @param info Output parameter. Returns info about the encoded image.
371 * @param target Contains the address of pixel memory to decode into 371 * @param target Contains the address of pixel memory to decode into
372 * (which must be large enough to hold the width in info) and 372 * (which must be large enough to hold the width in info) and
373 * the row bytes to use. If NULL, returns info and does not 373 * the row bytes to use. If NULL, returns info and does not
374 * decode pixels. 374 * decode pixels.
375 * @return bool Whether the function succeeded. 375 * @return bool Whether the function succeeded.
376 * 376 *
377 * Sample usage: 377 * Sample usage:
378 * <code> 378 * <code>
379 * // Determine the image's info: width/height/config 379 * // Determine the image's info: width/height/config
380 * SkImage::Info info; 380 * SkImageInfo info;
381 * bool success = DecodeMemoryToTarget(src, size, &info, NULL); 381 * bool success = DecodeMemoryToTarget(src, size, &info, NULL);
382 * if (!success) return; 382 * if (!success) return;
383 * // Allocate space for the result: 383 * // Allocate space for the result:
384 * SkBitmapFactory::Target target; 384 * SkBitmapFactory::Target target;
385 * target.fAddr = malloc/other allocation 385 * target.fAddr = malloc/other allocation
386 * target.fRowBytes = ... 386 * target.fRowBytes = ...
387 * // Now decode the actual pixels into target. &info is optional, 387 * // Now decode the actual pixels into target. &info is optional,
388 * // and could be NULL 388 * // and could be NULL
389 * success = DecodeMemoryToTarget(src, size, &info, &target); 389 * success = DecodeMemoryToTarget(src, size, &info, &target);
390 * </code> 390 * </code>
391 */ 391 */
392 static bool DecodeMemoryToTarget(const void* buffer, size_t size, SkImage::I nfo* info, 392 static bool DecodeMemoryToTarget(const void* buffer, size_t size, SkImageInf o* info,
393 const SkBitmapFactory::Target* target); 393 const SkBitmapFactory::Target* target);
394 394
395 /** Decode the image stored in the specified SkStreamRewindable, and store t he result 395 /** Decode the image stored in the specified SkStreamRewindable, and store t he result
396 in bitmap. Return true for success or false on failure. 396 in bitmap. Return true for success or false on failure.
397 397
398 @param prefConfig If the PrefConfigTable is not set, prefer this config. 398 @param prefConfig If the PrefConfigTable is not set, prefer this config.
399 See NOTE ABOUT PREFERRED CONFIGS. 399 See NOTE ABOUT PREFERRED CONFIGS.
400 400
401 @param format On success, if format is non-null, it is set to the format 401 @param format On success, if format is non-null, it is set to the format
402 of the decoded stream. On failure it is ignored. 402 of the decoded stream. On failure it is ignored.
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577 DECLARE_DECODER_CREATOR(WBMPImageDecoder); 577 DECLARE_DECODER_CREATOR(WBMPImageDecoder);
578 DECLARE_DECODER_CREATOR(WEBPImageDecoder); 578 DECLARE_DECODER_CREATOR(WEBPImageDecoder);
579 579
580 580
581 // Typedefs to make registering decoder and formatter callbacks easier. 581 // Typedefs to make registering decoder and formatter callbacks easier.
582 // These have to be defined outside SkImageDecoder. :( 582 // These have to be defined outside SkImageDecoder. :(
583 typedef SkTRegistry<SkImageDecoder*(*)(SkStreamRewindable*)> SkImageDecod er_DecodeReg; 583 typedef SkTRegistry<SkImageDecoder*(*)(SkStreamRewindable*)> SkImageDecod er_DecodeReg;
584 typedef SkTRegistry<SkImageDecoder::Format(*)(SkStreamRewindable*)> SkImageDecod er_FormatReg; 584 typedef SkTRegistry<SkImageDecoder::Format(*)(SkStreamRewindable*)> SkImageDecod er_FormatReg;
585 585
586 #endif 586 #endif
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