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