1 /* 2 * Copyright 2013 The Android Open Source Project 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 SkPictureImageFilter_DEFINED 9 #define SkPictureImageFilter_DEFINED 10 11 #include "SkImageFilter.h" 12 #include "SkPicture.h" 13 14 class SK_API SkPictureImageFilter : public SkImageFilter { 15 public: 16 /** 17 * Refs the passed-in picture. 18 */ 19 static SkPictureImageFilter* Create(const SkPicture* picture, int32_t uniqueID = 0) { 20 return SkNEW_ARGS(SkPictureImageFilter, (picture, uniqueID)); 21 } 22 23 /** 24 * Refs the passed-in picture. cropRect can be used to crop or expand the destination rect when 25 * the picture is drawn. (No scaling is implied by the dest rect; only the CTM is applied.) 26 */ 27 static SkPictureImageFilter* Create(const SkPicture* picture, const SkRect& cropRect, uint32_t uniqueID = 0) { 28 return SkNEW_ARGS(SkPictureImageFilter, (picture, cropRect, uniqueID)); 29 } 30 31 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkPictureImageFilter) 32 33 protected: 34 explicit SkPictureImageFilter(const SkPicture* picture, uint32_t uniqueID); 35 SkPictureImageFilter(const SkPicture* picture, const SkRect& cropRect, uint32_t uniqueID); 36 virtual ~SkPictureImageFilter(); 37 /* Constructs an SkPictureImageFilter object from an SkReadBuffer. 38 * Note: If the SkPictureImageFilter object construction requires bitmap 39 * decoding, the decoder must be set on the SkReadBuffer parameter by calling 40 * SkReadBuffer::setBitmapDecoder() before calling this constructor. 41 * @param SkReadBuffer Serialized picture data. 42 */ 43 #ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING 44 explicit SkPictureImageFilter(SkReadBuffer&); 45 #endif 46 virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; 47 virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&, 48 SkBitmap* result, SkIPoint* offset) const SK_OVERRIDE; 49 virtual bool onFilterBounds(const SkIRect& src, const SkMatrix&, 50 SkIRect* dst) const SK_OVERRIDE; 51 52 private: 53 const SkPicture* fPicture; 54 SkRect fCropRect; 55 typedef SkImageFilter INHERITED; 56 }; 57 58 #endif 59
