| /* |
| * 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/css/css_to_length_conversion_data.h" |
| #include "third_party/blink/renderer/core/style/style_image.h" |
| #include "third_party/blink/renderer/platform/heap/garbage_collected.h" |
| #include "third_party/blink/renderer/platform/heap/member.h" |
| #include "third_party/blink/renderer/platform/wtf/casting.h" |
| |
| namespace blink { |
| |
| class CSSValue; |
| class CSSImageGeneratorValue; |
| class Document; |
| class ImageResourceObserver; |
| |
| // This class represents a generated <image> such as a gradient or paint(...) |
| // function. Use only for images that have no intrinsic dimensions. |
| class CORE_EXPORT StyleGeneratedImage final : public StyleImage { |
| public: |
| using ContainerSizes = CSSToLengthConversionData::ContainerSizes; |
| |
| explicit StyleGeneratedImage(const CSSImageGeneratorValue&, |
| const ContainerSizes&); |
| |
| WrappedImagePtr Data() const override { return image_generator_value_.Get(); } |
| |
| CSSValue* CssValue() const override; |
| CSSValue* ComputedCSSValue(const ComputedStyle&, |
| bool allow_visited_style, |
| CSSValuePhase value_phase) const override; |
| |
| bool IsAccessAllowed(String&) const override { return true; } |
| |
| IntrinsicSizingInfo GetNaturalSizingInfo( |
| float multiplier, |
| RespectImageOrientationEnum) const override; |
| gfx::SizeF ImageSize(float multiplier, |
| const gfx::SizeF& default_object_size, |
| RespectImageOrientationEnum) const override; |
| bool HasIntrinsicSize() const override { return false; } |
| 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 gfx::SizeF& target_size) const override; |
| bool KnownToBeOpaque(const Document&, const ComputedStyle&) const override; |
| |
| bool IsUsingCustomProperty(const AtomicString& custom_property_name, |
| const Document&) const; |
| bool IsUsingCurrentColor() const; |
| |
| void Trace(Visitor*) const override; |
| |
| private: |
| bool IsEqual(const StyleImage&) const override; |
| |
| Member<CSSImageGeneratorValue> image_generator_value_; |
| ContainerSizes container_sizes_; |
| }; |
| |
| template <> |
| struct DowncastTraits<StyleGeneratedImage> { |
| static bool AllowFrom(const StyleImage& styleImage) { |
| return styleImage.IsGeneratedImage(); |
| } |
| }; |
| |
| } // namespace blink |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_STYLE_STYLE_GENERATED_IMAGE_H_ |