1/*
2 * Copyright (C) 2008-2016 Apple 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 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include "GeneratedImage.h"
29
30namespace WebCore {
31
32class Gradient;
33class Image;
34
35class GradientImage final : public GeneratedImage {
36public:
37 static Ref<GradientImage> create(Gradient& generator, const FloatSize& size)
38 {
39 return adoptRef(*new GradientImage(generator, size));
40 }
41
42 virtual ~GradientImage();
43
44 const Gradient& gradient() const { return m_gradient.get(); }
45
46private:
47 GradientImage(Gradient&, const FloatSize&);
48
49 ImageDrawResult draw(GraphicsContext&, const FloatRect& dstRect, const FloatRect& srcRect, CompositeOperator, BlendMode, DecodingMode, ImageOrientationDescription) final;
50 void drawPattern(GraphicsContext&, const FloatRect& destRect, const FloatRect& srcRect, const AffineTransform& patternTransform, const FloatPoint& phase, const FloatSize& spacing, CompositeOperator, BlendMode) final;
51 bool isGradientImage() const final { return true; }
52 void dump(WTF::TextStream&) const final;
53
54 Ref<Gradient> m_gradient;
55 RefPtr<Image> m_cachedImage;
56 FloatSize m_cachedAdjustedSize;
57 unsigned m_cachedGeneratorHash;
58 FloatSize m_cachedScaleFactor;
59};
60
61}
62
63SPECIALIZE_TYPE_TRAITS_IMAGE(GradientImage)
64