/* * 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 namespace WebCore { class TextMetrics; class CanvasRenderingContext2D final : public CanvasRenderingContext2DBase { WTF_MAKE_ISO_ALLOCATED(CanvasRenderingContext2D); public: static std::unique_ptr create(CanvasBase&, CanvasRenderingContext2DSettings&&, bool usesCSSCompatibilityParseMode); virtual ~CanvasRenderingContext2D(); HTMLCanvasElement& canvas() const { return downcast(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 maxWidth = std::nullopt); void strokeText(const String& text, double x, double y, std::optional maxWidth = std::nullopt); Ref 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 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())