74 lines
3.0 KiB
C++
74 lines
3.0 KiB
C++
/*
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* Copyright (C) 2006, 2007, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "CanvasRenderingContext2DBase.h"
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#include "HTMLCanvasElement.h"
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#include <memory>
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namespace WebCore {
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class TextMetrics;
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class CanvasRenderingContext2D final : public CanvasRenderingContext2DBase {
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WTF_MAKE_ISO_ALLOCATED(CanvasRenderingContext2D);
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public:
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static std::unique_ptr<CanvasRenderingContext2D> create(CanvasBase&, CanvasRenderingContext2DSettings&&, bool usesCSSCompatibilityParseMode);
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virtual ~CanvasRenderingContext2D();
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HTMLCanvasElement& canvas() const { return downcast<HTMLCanvasElement>(canvasBase()); }
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void drawFocusIfNeeded(Element&);
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void drawFocusIfNeeded(Path2D&, Element&);
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void setFont(const String&);
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CanvasDirection direction() const;
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void fillText(const String& text, double x, double y, std::optional<double> maxWidth = std::nullopt);
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void strokeText(const String& text, double x, double y, std::optional<double> maxWidth = std::nullopt);
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Ref<TextMetrics> measureText(const String& text);
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private:
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CanvasRenderingContext2D(CanvasBase&, CanvasRenderingContext2DSettings&&, bool usesCSSCompatibilityParseMode);
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bool is2d() const final { return true; }
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const FontProxy* fontProxy() final;
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void setFontWithoutUpdatingStyle(const String&);
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void drawTextInternal(const String& text, double x, double y, bool fill, std::optional<double> maxWidth = std::nullopt);
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void drawFocusIfNeededInternal(const Path&, Element&);
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TextDirection toTextDirection(CanvasRenderingContext2DBase::Direction, const RenderStyle** computedStyle = nullptr) const;
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};
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} // namespace WebCore
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SPECIALIZE_TYPE_TRAITS_CANVASRENDERINGCONTEXT(WebCore::CanvasRenderingContext2D, is2d())
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