1/*
2 * Copyright (C) 2012 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1.  Redistributions of source code must retain the above copyright
9 *     notice, this list of conditions and the following disclaimer.
10 * 2.  Redistributions in binary form must reproduce the above copyright
11 *     notice, this list of conditions and the following disclaimer in the
12 *     documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef SkiaImageFilterBuilder_h
27#define SkiaImageFilterBuilder_h
28
29#include "platform/PlatformExport.h"
30#include "platform/geometry/FloatSize.h"
31#include "platform/graphics/ColorSpace.h"
32#include "public/platform/WebFilterOperations.h"
33
34class SkImageFilter;
35
36namespace WebCore {
37class AffineTransform;
38class FilterEffect;
39class FilterOperations;
40class GraphicsContext;
41
42class PLATFORM_EXPORT SkiaImageFilterBuilder {
43public:
44    SkiaImageFilterBuilder();
45    explicit SkiaImageFilterBuilder(GraphicsContext*);
46    ~SkiaImageFilterBuilder();
47
48    PassRefPtr<SkImageFilter> build(FilterEffect*, ColorSpace, bool requiresPMColorValidation = true);
49    bool buildFilterOperations(const FilterOperations&, blink::WebFilterOperations*);
50    PassRefPtr<SkImageFilter> buildTransform(const AffineTransform&, SkImageFilter* input);
51
52    PassRefPtr<SkImageFilter> transformColorSpace(
53        SkImageFilter* input, ColorSpace srcColorSpace, ColorSpace dstColorSpace);
54
55    void setCropOffset(const FloatSize& cropOffset) { m_cropOffset = cropOffset; };
56    FloatSize cropOffset() { return m_cropOffset; }
57    GraphicsContext* context() { return m_context; }
58
59private:
60    FloatSize m_cropOffset;
61    GraphicsContext* m_context;
62};
63
64} // namespace WebCore
65
66#endif
67