1 /* 2 * Copyright 2016 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #ifndef SkImageDeserializer_DEFINED 9 #define SkImageDeserializer_DEFINED 10 11 #include "SkRefCnt.h" 12 13 struct SkIRect; 14 class SkData; 15 class SkImage; 16 17 class SK_API SkImageDeserializer { 18 public: 19 virtual ~SkImageDeserializer() {} 20 21 /** 22 * Given a data containing serialized content, return an SkImage from it. 23 * 24 * @param data The data containing the encoded image. The subclass may ref this for later 25 * decoding, or read it and process it immediately. 26 * @param subset Optional rectangle represent the subset of the encoded data that is being 27 * requested to be turned into an image. 28 * @return The new image, or nullptr on failure. 29 * 30 * The default implementation is to call SkImage::MakeFromEncoded(...) 31 */ 32 virtual sk_sp<SkImage> makeFromData(SkData*, const SkIRect* subset); 33 virtual sk_sp<SkImage> makeFromMemory(const void* data, size_t length, const SkIRect* subset); 34 }; 35 36 #endif 37
