blob: 0126e08ca6a06191f30ab7dc4ab95e78f5af43cd [file] [log] [blame]
/*
* Copyright (C) 2000 Lars Knoll (knoll@kde.org)
* (C) 2000 Antti Koivisto (koivisto@kde.org)
* (C) 2000 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_STYLE_STYLE_GENERATED_IMAGE_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_STYLE_STYLE_GENERATED_IMAGE_H_
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/style/style_image.h"
namespace blink {
class CSSValue;
class CSSImageGeneratorValue;
class Document;
class ImageResourceObserver;
// This class represents a generated <image> such as a gradient, cross-fade or
// paint(...) function.
class CORE_EXPORT StyleGeneratedImage final : public StyleImage {
public:
static StyleGeneratedImage* Create(const CSSImageGeneratorValue& value) {
return MakeGarbageCollected<StyleGeneratedImage>(value);
}
StyleGeneratedImage(const CSSImageGeneratorValue&);
WrappedImagePtr Data() const override { return image_generator_value_.Get(); }
CSSValue* CssValue() const override;
CSSValue* ComputedCSSValue() const override;
FloatSize ImageSize(const Document&,
float multiplier,
const LayoutSize& default_object_size) const override;
bool ImageHasRelativeSize() const override { return !fixed_size_; }
void AddClient(ImageResourceObserver*) override;
void RemoveClient(ImageResourceObserver*) override;
// The |target_size| is the desired image size
scoped_refptr<Image> GetImage(const ImageResourceObserver&,
const Document&,
const ComputedStyle&,
const FloatSize& target_size) const override;
bool KnownToBeOpaque(const Document&, const ComputedStyle&) const override;
void Trace(blink::Visitor*) override;
private:
bool IsEqual(const StyleImage&) const override;
// TODO(sashab): Replace this with <const CSSImageGeneratorValue> once
// Member<> supports const types.
Member<CSSImageGeneratorValue> image_generator_value_;
const bool fixed_size_;
};
DEFINE_STYLE_IMAGE_TYPE_CASTS(StyleGeneratedImage, IsGeneratedImage());
} // namespace blink
#endif