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/*
* Copyright (C) 2017 Metrological Group B.V.
* Copyright (C) 2017 Igalia S.L.
* Copyright (C) 2022 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
#if USE(CAIRO)
#include "GraphicsContext.h"
typedef struct _cairo cairo_t;
typedef struct _cairo_surface cairo_surface_t;
namespace WebCore {
class WEBCORE_EXPORT GraphicsContextCairo final : public GraphicsContext {
public:
explicit GraphicsContextCairo(RefPtr<cairo_t>&&);
explicit GraphicsContextCairo(cairo_surface_t*);
#if PLATFORM(WIN)
GraphicsContextCairo(HDC, bool hasAlpha = false); // FIXME: To be removed.
explicit GraphicsContextCairo(GraphicsContextCairo*);
#endif
virtual ~GraphicsContextCairo();
bool hasPlatformContext() const final;
GraphicsContextCairo* platformContext() const final;
void didUpdateState(GraphicsContextState&);
void setLineCap(LineCap) final;
void setLineDash(const DashArray&, float) final;
void setLineJoin(LineJoin) final;
void setMiterLimit(float) final;
using GraphicsContext::fillRect;
void fillRect(const FloatRect&, RequiresClipToRect = RequiresClipToRect::Yes) final;
void fillRect(const FloatRect&, Gradient&, const AffineTransform&, RequiresClipToRect = RequiresClipToRect::Yes) final;
void fillRect(const FloatRect&, const Color&) final;
void fillRoundedRectImpl(const FloatRoundedRect&, const Color&) final;
void fillRectWithRoundedHole(const FloatRect&, const FloatRoundedRect&, const Color&) final;
void fillPath(const Path&) final;
void strokeRect(const FloatRect&, float) final;
void strokePath(const Path&) final;
void clearRect(const FloatRect&) final;
void drawNativeImageInternal(NativeImage&, const FloatRect&, const FloatRect&, ImagePaintingOptions) final;
void drawPattern(NativeImage&, const FloatRect& destRect, const FloatRect& srcRect, const AffineTransform&, const FloatPoint& phase, const FloatSize& spacing, ImagePaintingOptions) final;
void drawRect(const FloatRect&, float) final;
void drawLine(const FloatPoint&, const FloatPoint&) final;
void drawLinesForText(const FloatPoint&, float thickness, std::span<const FloatSegment>, bool, bool, StrokeStyle) final;
void drawDotsForDocumentMarker(const FloatRect&, DocumentMarkerLineStyle) final;
void drawEllipse(const FloatRect&) final;
void drawFocusRing(const Path&, float outlineWidth, const Color&) final;
void drawFocusRing(const Vector<FloatRect>&, float outlineOffset, float outlineWidth, const Color&) final;
void save(GraphicsContextState::Purpose = GraphicsContextState::Purpose::SaveRestore) final;
void restore(GraphicsContextState::Purpose = GraphicsContextState::Purpose::SaveRestore) final;
void translate(float, float) final;
void rotate(float) final;
using GraphicsContext::scale;
void scale(const FloatSize&) final;
void concatCTM(const AffineTransform&) final;
void setCTM(const AffineTransform&) final;
AffineTransform getCTM(GraphicsContext::IncludeDeviceScale) const final;
void beginTransparencyLayer(float) final;
void endTransparencyLayer() final;
void resetClip() final;
void clip(const FloatRect&) final;
void clipOut(const FloatRect&) final;
void clipOut(const Path&) final;
void clipPath(const Path&, WindRule) final;
IntRect clipBounds() const final;
void clipToImageBuffer(ImageBuffer&, const FloatRect&) final;
RenderingMode renderingMode() const final;
cairo_t* cr() const;
Vector<float>& layers();
void pushImageMask(cairo_surface_t*, const FloatRect&);
// Exposed as public because freestanding functions use this.
using GraphicsContext::nativeImageForDrawing;
private:
RefPtr<cairo_t> m_cr;
class CairoState;
CairoState* m_cairoState;
Vector<CairoState> m_cairoStateStack;
// Transparency layers.
Vector<float> m_layers;
};
} // namespace WebCore
#endif // USE(CAIRO)
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