1/*
2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
3 *           (C) 2000 Antti Koivisto (koivisto@kde.org)
4 *           (C) 2000 Dirk Mueller (mueller@kde.org)
5 * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 * Library General Public License for more details.
16 *
17 * You should have received a copy of the GNU Library General Public License
18 * along with this library; see the file COPYING.LIB.  If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
21 *
22 */
23
24#ifndef StyleGeneratedImage_h
25#define StyleGeneratedImage_h
26
27#include "StyleImage.h"
28
29namespace WebCore {
30
31class CSSValue;
32class CSSImageGeneratorValue;
33
34class StyleGeneratedImage final : public StyleImage {
35public:
36    static PassRefPtr<StyleGeneratedImage> create(PassRef<CSSImageGeneratorValue> value)
37    {
38        return adoptRef(new StyleGeneratedImage(WTF::move(value)));
39    }
40
41    CSSImageGeneratorValue& imageValue() { return m_imageGeneratorValue.get(); }
42
43private:
44    virtual WrappedImagePtr data() const override { return &m_imageGeneratorValue.get(); }
45
46    virtual PassRefPtr<CSSValue> cssValue() const override;
47
48    virtual FloatSize imageSize(const RenderElement*, float multiplier) const override;
49    virtual bool imageHasRelativeWidth() const override { return !m_fixedSize; }
50    virtual bool imageHasRelativeHeight() const override { return !m_fixedSize; }
51    virtual void computeIntrinsicDimensions(const RenderElement*, Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio) override;
52    virtual bool usesImageContainerSize() const override { return !m_fixedSize; }
53    virtual void setContainerSizeForRenderer(const RenderElement*, const FloatSize& containerSize, float) override { m_containerSize = containerSize; }
54    virtual void addClient(RenderElement*) override;
55    virtual void removeClient(RenderElement*) override;
56    virtual PassRefPtr<Image> image(RenderElement*, const FloatSize&) const override;
57    virtual bool knownToBeOpaque(const RenderElement*) const override;
58
59    StyleGeneratedImage(PassRef<CSSImageGeneratorValue>);
60
61    Ref<CSSImageGeneratorValue> m_imageGeneratorValue;
62    FloatSize m_containerSize;
63    bool m_fixedSize;
64};
65
66STYLE_IMAGE_TYPE_CASTS(StyleGeneratedImage, StyleImage, isGeneratedImage)
67
68}
69#endif
70