aboutsummaryrefslogtreecommitdiffhomepage
path: root/include/effects/SkPictureImageFilter.h
blob: 0a72f71417e5758175afedb4908d9c9884f1b005 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
/*
 * 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 "SkImageFilter.h"
#include "SkPicture.h"

class SK_API SkPictureImageFilter : public SkImageFilter {
public:
    /**
     *  Refs the passed-in picture.
     */
    static SkPictureImageFilter* Create(SkPicture* picture) {
        return SkNEW_ARGS(SkPictureImageFilter, (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 SkPictureImageFilter* Create(SkPicture* picture, const SkRect& cropRect) {
        return SkNEW_ARGS(SkPictureImageFilter, (picture, cropRect));
    }

    SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkPictureImageFilter)

protected:
    explicit SkPictureImageFilter(SkPicture* picture);
    SkPictureImageFilter(SkPicture* picture, const SkRect& cropRect);
    virtual ~SkPictureImageFilter();
    /*  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.
     */
    explicit SkPictureImageFilter(SkReadBuffer&);
    virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;
    virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&,
                               SkBitmap* result, SkIPoint* offset) const SK_OVERRIDE;

private:
    SkPicture* fPicture;
    SkRect     fCropRect;
    typedef SkImageFilter INHERITED;
};

#endif