src/third_party/WebKit/Source/core/paint/BoxPainter.h

   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