1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef BoxPainter_h 6 #define BoxPainter_h 7 8 #include "core/paint/ObjectPainter.h" 9 #include "core/rendering/RenderBoxModelObject.h" 10 11 namespace blink { 12 13 class LayoutPoint; 14 struct PaintInfo; 15 class RenderBox; 16 class RenderObject; 17 18 class BoxPainter { 19 public: 20 BoxPainter(RenderBox& renderBox) : m_renderBox(renderBox) { } 21 void paint(PaintInfo&, const LayoutPoint&); 22 23 void paintBoxDecorationBackground(PaintInfo&, const LayoutPoint&); 24 void paintMask(PaintInfo&, const LayoutPoint&); 25 void paintClippingMask(PaintInfo&, const LayoutPoint&); 26 void paintFillLayers(const PaintInfo&, const Color&, const FillLayer&, const LayoutRect&, BackgroundBleedAvoidance = BackgroundBleedNone, CompositeOperator = CompositeSourceOver, RenderObject* backgroundObject = 0); 27 void paintMaskImages(const PaintInfo&, const LayoutRect&); 28 void paintBoxDecorationBackgroundWithRect(PaintInfo&, const LayoutPoint&, const LayoutRect&); 29 static void paintFillLayerExtended(RenderBoxModelObject&, const PaintInfo&, const Color&, const FillLayer&, const LayoutRect&, BackgroundBleedAvoidance, InlineFlowBox* = 0, const LayoutSize& = LayoutSize(), CompositeOperator = CompositeSourceOver, RenderObject* backgroundObject = 0, bool skipBaseColor = false); 30 static void calculateBackgroundImageGeometry(RenderBoxModelObject&, const RenderLayerModelObject* paintContainer, const FillLayer&, const LayoutRect& paintRect, BackgroundImageGeometry&, RenderObject* = 0); 31 static InterpolationQuality chooseInterpolationQuality(RenderBoxModelObject&, GraphicsContext*, Image*, const void*, const LayoutSize&); 32 static void clipRoundedInnerRect(GraphicsContext*, const LayoutRect&, const RoundedRect& clipRect); 33 static bool paintNinePieceImage(RenderBoxModelObject&, GraphicsContext*, const LayoutRect&, const RenderStyle*, const NinePieceImage&, CompositeOperator = CompositeSourceOver); 34 static void paintBorder(RenderBoxModelObject&, const PaintInfo&, const LayoutRect&, const RenderStyle*, BackgroundBleedAvoidance = BackgroundBleedNone, bool includeLogicalLeftEdge = true, bool includeLogicalRightEdge = true); 35 static void paintBoxShadow(const PaintInfo&, const LayoutRect&, const RenderStyle*, ShadowStyle, bool includeLogicalLeftEdge = true, bool includeLogicalRightEdge = true); 36 static bool shouldAntialiasLines(GraphicsContext*); 37 38 private: 39 void paintBackground(const PaintInfo&, const LayoutRect&, const Color& backgroundColor, BackgroundBleedAvoidance = BackgroundBleedNone); 40 void paintRootBoxFillLayers(const PaintInfo&); 41 void paintFillLayer(const PaintInfo&, const Color&, const FillLayer&, const LayoutRect&, BackgroundBleedAvoidance, CompositeOperator, RenderObject* backgroundObject, bool skipBaseColor = false); 42 static void paintRootBackgroundColor(RenderObject&, const PaintInfo&, const LayoutRect&, const Color&); 43 static RoundedRect backgroundRoundedRectAdjustedForBleedAvoidance(RenderObject&, GraphicsContext*, const LayoutRect&, BackgroundBleedAvoidance, InlineFlowBox*, const LayoutSize&, bool includeLogicalLeftEdge, bool includeLogicalRightEdge); 44 static RoundedRect getBackgroundRoundedRect(RenderObject&, const LayoutRect&, InlineFlowBox*, LayoutUnit inlineBoxWidth, LayoutUnit inlineBoxHeight, 45 bool includeLogicalLeftEdge, bool includeLogicalRightEdge); 46 static bool isDocumentElementWithOpaqueBackground(RenderObject&); 47 static void applyBoxShadowForBackground(GraphicsContext*, RenderObject&); 48 static bool fixedBackgroundPaintsInLocalCoordinates(const RenderObject&); 49 static IntSize calculateFillTileSize(const RenderBoxModelObject&, const FillLayer&, const IntSize& scaledPositioningAreaSize); 50 static void paintTranslucentBorderSides(RenderObject&, GraphicsContext*, const RenderStyle*, const RoundedRect& outerBorder, const RoundedRect& innerBorder, const IntPoint& innerBorderAdjustment, 51 const BorderEdge[], BorderEdgeFlags, BackgroundBleedAvoidance, bool includeLogicalLeftEdge, bool includeLogicalRightEdge, bool antialias = false); 52 static LayoutRect borderInnerRectAdjustedForBleedAvoidance(GraphicsContext*, const LayoutRect&, BackgroundBleedAvoidance); 53 static void paintOneBorderSide(RenderObject&, GraphicsContext*, const RenderStyle*, const RoundedRect& outerBorder, const RoundedRect& innerBorder, 54 const IntRect& sideRect, BoxSide, BoxSide adjacentSide1, BoxSide adjacentSide2, const BorderEdge[], 55 const Path*, BackgroundBleedAvoidance, bool includeLogicalLeftEdge, bool includeLogicalRightEdge, bool antialias, const Color* overrideColor = 0); 56 static void paintBorderSides(RenderObject&, GraphicsContext*, const RenderStyle*, const RoundedRect& outerBorder, const RoundedRect& innerBorder, 57 const IntPoint& innerBorderAdjustment, const BorderEdge[], BorderEdgeFlags, BackgroundBleedAvoidance, 58 bool includeLogicalLeftEdge, bool includeLogicalRightEdge, bool antialias = false, const Color* overrideColor = 0); 59 static void drawBoxSideFromPath(GraphicsContext*, const LayoutRect&, const Path&, const BorderEdge[], 60 float thickness, float drawThickness, BoxSide, const RenderStyle*, 61 Color, EBorderStyle, BackgroundBleedAvoidance, bool includeLogicalLeftEdge, bool includeLogicalRightEdge); 62 static void clipBorderSidePolygon(GraphicsContext*, const RoundedRect& outerBorder, const RoundedRect& innerBorder, 63 BoxSide, bool firstEdgeMatches, bool secondEdgeMatches); 64 static void clipBorderSideForComplexInnerPath(GraphicsContext*, const RoundedRect&, const RoundedRect&, BoxSide, const BorderEdge[]); 65 66 // FIXME: this should be const. 67 RenderBox& m_renderBox; 68 }; 69 70 } // namespace blink 71 72 #endif 73
