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