/*
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* Copyright 2013 The Android Open Source Project
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SkPictureImageFilter_DEFINED
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#define SkPictureImageFilter_DEFINED
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#include "SkFlattenable.h"
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#include "SkImageFilter.h"
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#include "SkPicture.h"
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class SK_API SkPictureImageFilter : public SkImageFilter {
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public:
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/**
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* Refs the passed-in picture.
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*/
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static sk_sp<SkImageFilter> Make(sk_sp<SkPicture> picture);
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/**
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* Refs the passed-in picture. cropRect can be used to crop or expand the destination rect when
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* the picture is drawn. (No scaling is implied by the dest rect; only the CTM is applied.)
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*/
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static sk_sp<SkImageFilter> Make(sk_sp<SkPicture> picture, const SkRect& cropRect);
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protected:
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/* Constructs an SkPictureImageFilter object from an SkReadBuffer.
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* Note: If the SkPictureImageFilter object construction requires bitmap
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* decoding, the decoder must be set on the SkReadBuffer parameter by calling
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* SkReadBuffer::setBitmapDecoder() before calling this constructor.
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* @param SkReadBuffer Serialized picture data.
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*/
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void flatten(SkWriteBuffer&) const override;
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sk_sp<SkSpecialImage> onFilterImage(SkSpecialImage* source, const Context&,
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SkIPoint* offset) const override;
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sk_sp<SkImageFilter> onMakeColorSpace(SkColorSpaceXformer*) const override;
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private:
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SK_FLATTENABLE_HOOKS(SkPictureImageFilter)
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explicit SkPictureImageFilter(sk_sp<SkPicture> picture);
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SkPictureImageFilter(sk_sp<SkPicture> picture, const SkRect& cropRect, sk_sp<SkColorSpace>);
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sk_sp<SkPicture> fPicture;
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SkRect fCropRect;
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// Should never be set by a public constructor. This is only used when onMakeColorSpace()
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// forces a deferred color space xform.
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sk_sp<SkColorSpace> fColorSpace;
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typedef SkImageFilter INHERITED;
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};
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#endif
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