| /* |
| * Copyright (C) 2016 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 "DisplayList.h" |
| #include "GraphicsContextImpl.h" |
| #include "Image.h" // For Image::TileRule. |
| #include "TextFlags.h" |
| #include <wtf/Noncopyable.h> |
| |
| namespace WebCore { |
| |
| class FloatPoint; |
| class FloatRect; |
| class GlyphBuffer; |
| class FloatPoint; |
| class Font; |
| class Image; |
| |
| struct GraphicsContextState; |
| struct ImagePaintingOptions; |
| |
| namespace DisplayList { |
| |
| class DrawingItem; |
| |
| class Recorder : public GraphicsContextImpl { |
| WTF_MAKE_FAST_ALLOCATED; |
| WTF_MAKE_NONCOPYABLE(Recorder); |
| public: |
| WEBCORE_EXPORT Recorder(GraphicsContext&, DisplayList&, const GraphicsContextState&, const FloatRect& initialClip, const AffineTransform&); |
| WEBCORE_EXPORT virtual ~Recorder(); |
| |
| size_t itemCount() const { return m_displayList.itemCount(); } |
| |
| private: |
| bool hasPlatformContext() const override { return false; } |
| PlatformGraphicsContext* platformContext() const override { return nullptr; } |
| |
| void updateState(const GraphicsContextState&, GraphicsContextState::StateChangeFlags) override; |
| void clearShadow() override; |
| |
| void setLineCap(LineCap) override; |
| void setLineDash(const DashArray&, float dashOffset) override; |
| void setLineJoin(LineJoin) override; |
| void setMiterLimit(float) override; |
| |
| void fillRect(const FloatRect&) override; |
| void fillRect(const FloatRect&, const Color&) override; |
| void fillRect(const FloatRect&, Gradient&) override; |
| void fillRect(const FloatRect&, const Color&, CompositeOperator, BlendMode) override; |
| void fillRoundedRect(const FloatRoundedRect&, const Color&, BlendMode) override; |
| void fillRectWithRoundedHole(const FloatRect&, const FloatRoundedRect& roundedHoleRect, const Color&) override; |
| void fillPath(const Path&) override; |
| void fillEllipse(const FloatRect&) override; |
| void strokeRect(const FloatRect&, float lineWidth) override; |
| void strokePath(const Path&) override; |
| void strokeEllipse(const FloatRect&) override; |
| void clearRect(const FloatRect&) override; |
| |
| #if USE(CG) |
| void applyStrokePattern() override; |
| void applyFillPattern() override; |
| #endif |
| |
| void drawGlyphs(const Font&, const GlyphBuffer&, unsigned from, unsigned numGlyphs, const FloatPoint& anchorPoint, FontSmoothingMode) override; |
| |
| ImageDrawResult drawImage(Image&, const FloatRect& destination, const FloatRect& source, const ImagePaintingOptions&) override; |
| ImageDrawResult drawTiledImage(Image&, const FloatRect& destination, const FloatPoint& source, const FloatSize& tileSize, const FloatSize& spacing, const ImagePaintingOptions&) override; |
| ImageDrawResult drawTiledImage(Image&, const FloatRect& destination, const FloatRect& source, const FloatSize& tileScaleFactor, Image::TileRule hRule, Image::TileRule vRule, const ImagePaintingOptions&) override; |
| #if USE(CG) || USE(CAIRO) || USE(DIRECT2D) |
| void drawNativeImage(const NativeImagePtr&, const FloatSize& selfSize, const FloatRect& destRect, const FloatRect& srcRect, const ImagePaintingOptions&) override; |
| #endif |
| void drawPattern(Image&, const FloatRect& destRect, const FloatRect& srcRect, const AffineTransform&, const FloatPoint& phase, const FloatSize& spacing, const ImagePaintingOptions&) override; |
| |
| void drawRect(const FloatRect&, float borderThickness) override; |
| void drawLine(const FloatPoint&, const FloatPoint&) override; |
| void drawLinesForText(const FloatPoint&, float thickness, const DashArray& widths, bool printing, bool doubleLines) override; |
| void drawDotsForDocumentMarker(const FloatRect&, DocumentMarkerLineStyle) override; |
| void drawEllipse(const FloatRect&) override; |
| void drawPath(const Path&) override; |
| |
| void drawFocusRing(const Path&, float width, float offset, const Color&) override; |
| void drawFocusRing(const Vector<FloatRect>&, float width, float offset, const Color&) override; |
| |
| void save() override; |
| void restore() override; |
| |
| void translate(float x, float y) override; |
| void rotate(float angleInRadians) override; |
| void scale(const FloatSize&) override; |
| void concatCTM(const AffineTransform&) override; |
| void setCTM(const AffineTransform&) override; |
| AffineTransform getCTM(GraphicsContext::IncludeDeviceScale) override; |
| |
| void beginTransparencyLayer(float opacity) override; |
| void endTransparencyLayer() override; |
| |
| void clip(const FloatRect&) override; |
| void clipOut(const FloatRect&) override; |
| void clipOut(const Path&) override; |
| void clipPath(const Path&, WindRule) override; |
| IntRect clipBounds() override; |
| void clipToImageBuffer(ImageBuffer&, const FloatRect&) override; |
| |
| void applyDeviceScaleFactor(float) override; |
| |
| FloatRect roundToDevicePixels(const FloatRect&, GraphicsContext::RoundingMode) override; |
| |
| Item& appendItem(Ref<Item>&&); |
| void willAppendItem(const Item&); |
| |
| FloatRect extentFromLocalBounds(const FloatRect&) const; |
| void updateItemExtent(DrawingItem&) const; |
| |
| const AffineTransform& ctm() const; |
| const FloatRect& clipBounds() const; |
| |
| struct ContextState { |
| AffineTransform ctm; |
| FloatRect clipBounds; |
| GraphicsContextStateChange stateChange; |
| GraphicsContextState lastDrawingState; |
| bool wasUsedForDrawing { false }; |
| size_t saveItemIndex { 0 }; |
| |
| ContextState(const GraphicsContextState& state, const AffineTransform& transform, const FloatRect& clip) |
| : ctm(transform) |
| , clipBounds(clip) |
| , lastDrawingState(state) |
| { |
| } |
| |
| ContextState cloneForSave(size_t saveIndex) const |
| { |
| ContextState state(lastDrawingState, ctm, clipBounds); |
| state.stateChange = stateChange; |
| state.saveItemIndex = saveIndex; |
| return state; |
| } |
| |
| void translate(float x, float y); |
| void rotate(float angleInRadians); |
| void scale(const FloatSize&); |
| void concatCTM(const AffineTransform&); |
| }; |
| |
| const ContextState& currentState() const; |
| ContextState& currentState(); |
| |
| DisplayList& m_displayList; |
| |
| Vector<ContextState, 32> m_stateStack; |
| }; |
| |
| } |
| } |
| |