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/*
* Copyright (C) 2017 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 "GraphicsContext.h"
namespace WebCore {
class GraphicsContextImpl {
WTF_MAKE_NONCOPYABLE(GraphicsContextImpl);
public:
GraphicsContextImpl(GraphicsContext&, const FloatRect& initialClip, const AffineTransform&);
virtual ~GraphicsContextImpl();
GraphicsContext& graphicsContext() const { return m_graphicsContext; }
virtual bool hasPlatformContext() const = 0;
virtual PlatformGraphicsContext* platformContext() const = 0;
virtual void updateState(const GraphicsContextState&, GraphicsContextState::StateChangeFlags) = 0;
virtual void clearShadow() = 0;
virtual void setLineCap(LineCap) = 0;
virtual void setLineDash(const DashArray&, float dashOffset) = 0;
virtual void setLineJoin(LineJoin) = 0;
virtual void setMiterLimit(float) = 0;
virtual void fillRect(const FloatRect&) = 0;
virtual void fillRect(const FloatRect&, const Color&) = 0;
virtual void fillRect(const FloatRect&, Gradient&) = 0;
virtual void fillRect(const FloatRect&, const Color&, CompositeOperator, BlendMode) = 0;
virtual void fillRoundedRect(const FloatRoundedRect&, const Color&, BlendMode) = 0;
virtual void fillRectWithRoundedHole(const FloatRect&, const FloatRoundedRect& roundedHoleRect, const Color&) = 0;
virtual void fillPath(const Path&) = 0;
virtual void fillEllipse(const FloatRect&) = 0;
virtual void strokeRect(const FloatRect&, float lineWidth) = 0;
virtual void strokePath(const Path&) = 0;
virtual void strokeEllipse(const FloatRect&) = 0;
virtual void clearRect(const FloatRect&) = 0;
#if USE(CG)
virtual void applyStrokePattern() = 0;
virtual void applyFillPattern() = 0;
#endif
virtual void drawGlyphs(const Font&, const GlyphBuffer&, unsigned from, unsigned numGlyphs, const FloatPoint& anchorPoint, FontSmoothingMode) = 0;
virtual ImageDrawResult drawImage(Image&, const FloatRect& destination, const FloatRect& source, const ImagePaintingOptions&) = 0;
virtual ImageDrawResult drawTiledImage(Image&, const FloatRect& destination, const FloatPoint& source, const FloatSize& tileSize, const FloatSize& spacing, const ImagePaintingOptions&) = 0;
virtual ImageDrawResult drawTiledImage(Image&, const FloatRect& destination, const FloatRect& source, const FloatSize& tileScaleFactor, Image::TileRule hRule, Image::TileRule vRule, const ImagePaintingOptions&) = 0;
#if USE(CG) || USE(CAIRO)
virtual void drawNativeImage(const NativeImagePtr&, const FloatSize& selfSize, const FloatRect& destRect, const FloatRect& srcRect, CompositeOperator, BlendMode, ImageOrientation) = 0;
#endif
virtual void drawPattern(Image&, const FloatRect& destRect, const FloatRect& srcRect, const AffineTransform&, const FloatPoint& phase, const FloatSize& spacing, CompositeOperator, BlendMode = BlendMode::Normal) = 0;
virtual void drawRect(const FloatRect&, float borderThickness) = 0;
virtual void drawLine(const FloatPoint&, const FloatPoint&) = 0;
virtual void drawLinesForText(const FloatPoint&, float thickness, const DashArray& widths, bool printing, bool doubleLines) = 0;
virtual void drawDotsForDocumentMarker(const FloatRect&, DocumentMarkerLineStyle) = 0;
virtual void drawEllipse(const FloatRect&) = 0;
virtual void drawPath(const Path&) = 0;
virtual void drawFocusRing(const Path&, float width, float offset, const Color&) = 0;
virtual void drawFocusRing(const Vector<FloatRect>&, float width, float offset, const Color&) = 0;
virtual void save() = 0;
virtual void restore() = 0;
virtual void translate(float x, float y) = 0;
virtual void rotate(float angleInRadians) = 0;
virtual void scale(const FloatSize&) = 0;
virtual void concatCTM(const AffineTransform&) = 0;
virtual void setCTM(const AffineTransform&) = 0;
virtual AffineTransform getCTM(GraphicsContext::IncludeDeviceScale) = 0;
virtual void beginTransparencyLayer(float opacity) = 0;
virtual void endTransparencyLayer() = 0;
virtual void clip(const FloatRect&) = 0;
virtual void clipOut(const FloatRect&) = 0;
virtual void clipOut(const Path&) = 0;
virtual void clipPath(const Path&, WindRule) = 0;
virtual IntRect clipBounds() = 0;
virtual void clipToImageBuffer(ImageBuffer&, const FloatRect&) = 0;
virtual void applyDeviceScaleFactor(float) = 0;
virtual FloatRect roundToDevicePixels(const FloatRect&, GraphicsContext::RoundingMode) = 0;
protected:
static ImageDrawResult drawImageImpl(GraphicsContext&, Image&, const FloatRect&, const FloatRect&, const ImagePaintingOptions&);
static ImageDrawResult drawTiledImageImpl(GraphicsContext&, Image&, const FloatRect&, const FloatPoint&, const FloatSize&, const FloatSize&, const ImagePaintingOptions&);
static ImageDrawResult drawTiledImageImpl(GraphicsContext&, Image&, const FloatRect&, const FloatRect&, const FloatSize&, Image::TileRule, Image::TileRule, const ImagePaintingOptions&);
private:
friend class GraphicsContext;
GraphicsContext& m_graphicsContext;
};
} // namespace WebCore