Move painting code from RenderBoxModelObject into BoxPainter.

Source/core/rendering/InlineFlowBox.cpp

 /*
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "config.h"
 #include "core/rendering/InlineFlowBox.h"
 
 #include "core/CSSPropertyNames.h"
 #include "core/dom/Document.h"
+#include "core/paint/BoxPainter.h"
 #include "core/rendering/HitTestResult.h"
 #include "core/rendering/InlineTextBox.h"
 #include "core/rendering/RenderBlock.h"
 #include "core/rendering/RenderInline.h"
 #include "core/rendering/RenderLayer.h"
 #include "core/rendering/RenderListMarker.h"
 #include "core/rendering/RenderObjectInlines.h"
 #include "core/rendering/RenderRubyBase.h"
 #include "core/rendering/RenderRubyRun.h"
 #include "core/rendering/RenderRubyText.h"
@@ skipping 1141 matching lines @@
     // would be clipped out, so it has to be drawn separately).
     StyleImage* image = lastBackgroundLayer.image();
     bool hasFillImage = image && image->canRender(renderer(), renderer().style()->effectiveZoom());
     return (!hasFillImage && !renderer().style()->hasBorderRadius()) || (!prevLineBox() && !nextLineBox()) || !parent();
 }
 
 void InlineFlowBox::paintFillLayer(const PaintInfo& paintInfo, const Color& c, const FillLayer& fillLayer, const LayoutRect& rect, CompositeOperator op)
 {
     StyleImage* img = fillLayer.image();
     bool hasFillImage = img && img->canRender(renderer(), renderer().style()->effectiveZoom());
+    ASSERT(!renderer().isText());
+    RenderBox* box = toRenderBox(&renderer());
+    BoxPainter boxPainter(*box);
     if ((!hasFillImage && !renderer().style()->hasBorderRadius()) || (!prevLineBox() && !nextLineBox()) || !parent()) {
-        boxModelObject()->paintFillLayerExtended(paintInfo, c, fillLayer, rect, BackgroundBleedNone, this, rect.size(), op);
+        boxPainter.paintFillLayerExtended(paintInfo, c, fillLayer, rect, BackgroundBleedNone, this, rect.size(), op);
     } else if (renderer().style()->boxDecorationBreak() == DCLONE) {
         GraphicsContextStateSaver stateSaver(*paintInfo.context);
         paintInfo.context->clip(LayoutRect(rect.x(), rect.y(), width(), height()));
-        boxModelObject()->paintFillLayerExtended(paintInfo, c, fillLayer, rect, BackgroundBleedNone, this, rect.size(), op);
+        boxPainter.paintFillLayerExtended(paintInfo, c, fillLayer, rect, BackgroundBleedNone, this, rect.size(), op);
     } else {
         // We have a fill image that spans multiple lines.
         // We need to adjust tx and ty by the width of all previous lines.
         // Think of background painting on inlines as though you had one long line, a single continuous
         // strip.  Even though that strip has been broken up across multiple lines, you still paint it
         // as though you had one single line.  This means each line has to pick up the background where
         // the previous line left off.
         LayoutUnit logicalOffsetOnLine = 0;
         LayoutUnit totalLogicalWidth;
         if (renderer().style()->direction() == LTR) {
             for (InlineFlowBox* curr = prevLineBox(); curr; curr = curr->prevLineBox())
                 logicalOffsetOnLine += curr->logicalWidth();
             totalLogicalWidth = logicalOffsetOnLine;
             for (InlineFlowBox* curr = this; curr; curr = curr->nextLineBox())
                 totalLogicalWidth += curr->logicalWidth();
         } else {
             for (InlineFlowBox* curr = nextLineBox(); curr; curr = curr->nextLineBox())
                 logicalOffsetOnLine += curr->logicalWidth();
             totalLogicalWidth = logicalOffsetOnLine;
             for (InlineFlowBox* curr = this; curr; curr = curr->prevLineBox())
                 totalLogicalWidth += curr->logicalWidth();
         }
         LayoutUnit stripX = rect.x() - (isHorizontal() ? logicalOffsetOnLine : LayoutUnit());
         LayoutUnit stripY = rect.y() - (isHorizontal() ? LayoutUnit() : logicalOffsetOnLine);
         LayoutUnit stripWidth = isHorizontal() ? totalLogicalWidth : static_cast<LayoutUnit>(width());
         LayoutUnit stripHeight = isHorizontal() ? static_cast<LayoutUnit>(height()) : totalLogicalWidth;
 
         GraphicsContextStateSaver stateSaver(*paintInfo.context);
         paintInfo.context->clip(LayoutRect(rect.x(), rect.y(), width(), height()));
-        boxModelObject()->paintFillLayerExtended(paintInfo, c, fillLayer, LayoutRect(stripX, stripY, stripWidth, stripHeight), BackgroundBleedNone, this, rect.size(), op);
+        boxPainter.paintFillLayerExtended(paintInfo, c, fillLayer, LayoutRect(stripX, stripY, stripWidth, stripHeight), BackgroundBleedNone, this, rect.size(), op);
     }
 }
 
 void InlineFlowBox::paintBoxShadow(const PaintInfo& info, RenderStyle* s, ShadowStyle shadowStyle, const LayoutRect& paintRect)
 {
     if ((!prevLineBox() && !nextLineBox()) || !parent())
         boxModelObject()->paintBoxShadow(info, paintRect, s, shadowStyle);
     else {
         // FIXME: We can do better here in the multi-line case. We want to push a clip so that the shadow doesn't
         // protrude incorrectly at the edges, and we want to possibly include shadows cast from the previous/following lines
@@ skipping 440 matching lines @@
         ASSERT(child->prevOnLine() == prev);
         prev = child;
     }
     ASSERT(prev == m_lastChild);
 #endif
 }
 
 #endif
 
 } // namespace blink