[Line Layout API] Add LineLayoutItem::resolveColor()

third_party/WebKit/Source/core/paint/TextPainter.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef TextPainter_h
 #define TextPainter_h
 
 #include "core/CoreExport.h"
 #include "core/style/ComputedStyleConstants.h"
 #include "platform/fonts/TextBlob.h"
 #include "platform/geometry/FloatPoint.h"
 #include "platform/geometry/FloatRect.h"
 #include "platform/geometry/LayoutRect.h"
 #include "platform/graphics/Color.h"
 #include "platform/transforms/AffineTransform.h"
 #include "wtf/Allocator.h"
 #include "wtf/text/AtomicString.h"
 
 namespace blink {
 
 class ComputedStyle;
 class Font;
 class GraphicsContext;
 class GraphicsContextStateSaver;
 class LayoutTextCombine;
 class LayoutObject;
+class LineLayoutItem;
 struct PaintInfo;
 class ShadowList;
 class TextRun;
 struct TextRunPaintInfo;
 
 class CORE_EXPORT TextPainter {
     STACK_ALLOCATED();
 public:
     struct Style;
 
@@ skipping 20 matching lines @@
         {
             return currentColor == other.currentColor
                 && fillColor == other.fillColor
                 && strokeColor == other.strokeColor
                 && emphasisMarkColor == other.emphasisMarkColor
                 && strokeWidth == other.strokeWidth
                 && shadow == other.shadow;
         }
         bool operator!=(const Style& other) { return !(*this == other); }
     };
-    static Style textPaintingStyle(const LayoutObject&, const ComputedStyle&, const PaintInfo&);
-    static Style selectionPaintingStyle(const LayoutObject&, bool haveSelection, const PaintInfo&, const Style& textStyle);
+    static Style textPaintingStyle(LineLayoutItem, const ComputedStyle&, const PaintInfo&);
+    static Style selectionPaintingStyle(LineLayoutItem, bool haveSelection, const PaintInfo&, const Style& textStyle);
 
     enum RotationDirection { Counterclockwise, Clockwise };
     static AffineTransform rotation(const LayoutRect& boxRect, RotationDirection);
 
 private:
     void updateGraphicsContext(const Style& style, GraphicsContextStateSaver& saver)
     {
         updateGraphicsContext(m_graphicsContext, style, m_horizontal, saver);
     }
 
@@ skipping 31 matching lines @@
     // 5. Therefore the translation from (3) to (4) is (x(), y()) - (-maxY(), x()) = (x() + maxY(), y() - x())
 
     // A similar argument derives the counter-clockwise case.
     return rotationDirection == Clockwise ? AffineTransform(0, 1, -1, 0, boxRect.x() + boxRect.maxY(), boxRect.y() - boxRect.x())
         : AffineTransform(0, -1, 1, 0, boxRect.x() - boxRect.y(), boxRect.x() + boxRect.maxY());
 }
 
 } // namespace blink
 
 #endif // TextPainter_h