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 "SkFlattenable.h" 12 #include "SkImageFilter.h" 13 #include "SkPicture.h" 14 15 class SK_API SkPictureImageFilter : public SkImageFilter { 16 public: 17 /** 18 * Refs the passed-in picture. 19 */ 20 static sk_sp<SkImageFilter> Make(sk_sp<SkPicture> picture); 21 22 /** 23 * Refs the passed-in picture. cropRect can be used to crop or expand the destination rect when 24 * the picture is drawn. (No scaling is implied by the dest rect; only the CTM is applied.) 25 */ 26 static sk_sp<SkImageFilter> Make(sk_sp<SkPicture> picture, const SkRect& cropRect); 27 28 29 protected: 30 /* Constructs an SkPictureImageFilter object from an SkReadBuffer. 31 * Note: If the SkPictureImageFilter object construction requires bitmap 32 * decoding, the decoder must be set on the SkReadBuffer parameter by calling 33 * SkReadBuffer::setBitmapDecoder() before calling this constructor. 34 * @param SkReadBuffer Serialized picture data. 35 */ 36 void flatten(SkWriteBuffer&) const override; 37 sk_sp<SkSpecialImage> onFilterImage(SkSpecialImage* source, const Context&, 38 SkIPoint* offset) const override; 39 sk_sp<SkImageFilter> onMakeColorSpace(SkColorSpaceXformer*) const override; 40 41 private: 42 SK_FLATTENABLE_HOOKS(SkPictureImageFilter) 43 44 explicit SkPictureImageFilter(sk_sp<SkPicture> picture); 45 SkPictureImageFilter(sk_sp<SkPicture> picture, const SkRect& cropRect, sk_sp<SkColorSpace>); 46 47 sk_sp<SkPicture> fPicture; 48 SkRect fCropRect; 49 50 // Should never be set by a public constructor. This is only used when onMakeColorSpace() 51 // forces a deferred color space xform. 52 sk_sp<SkColorSpace> fColorSpace; 53 54 typedef SkImageFilter INHERITED; 55 }; 56 57 #endif 58