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