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| 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 #include "config.h" |
| 6 #include "core/paint/LineBoxListPainter.h" |
| 7 |
| 8 #include "core/paint/InlinePainter.h" |
| 9 #include "core/rendering/InlineFlowBox.h" |
| 10 #include "core/rendering/PaintInfo.h" |
| 11 #include "core/rendering/RenderBoxModelObject.h" |
| 12 #include "core/rendering/RenderLineBoxList.h" |
| 13 #include "core/rendering/RootInlineBox.h" |
| 14 |
| 15 namespace blink { |
| 16 |
| 17 void LineBoxListPainter::paint(RenderBoxModelObject* renderer, PaintInfo& paintI
nfo, const LayoutPoint& paintOffset) const |
| 18 { |
| 19 // Only paint during the foreground/selection phases. |
| 20 if (paintInfo.phase != PaintPhaseForeground && paintInfo.phase != PaintPhase
Selection && paintInfo.phase != PaintPhaseOutline |
| 21 && paintInfo.phase != PaintPhaseSelfOutline && paintInfo.phase != PaintP
haseChildOutlines && paintInfo.phase != PaintPhaseTextClip |
| 22 && paintInfo.phase != PaintPhaseMask) |
| 23 return; |
| 24 |
| 25 ASSERT(renderer->isRenderBlock() || (renderer->isRenderInline() && renderer-
>hasLayer())); // The only way an inline could paint like this is if it has a la
yer. |
| 26 |
| 27 // If we have no lines then we have no work to do. |
| 28 if (!m_renderLineBoxList.firstLineBox()) |
| 29 return; |
| 30 |
| 31 if (!m_renderLineBoxList.anyLineIntersectsRect(renderer, paintInfo.rect, pai
ntOffset)) |
| 32 return; |
| 33 |
| 34 PaintInfo info(paintInfo); |
| 35 ListHashSet<RenderInline*> outlineObjects; |
| 36 info.setOutlineObjects(&outlineObjects); |
| 37 |
| 38 // See if our root lines intersect with the dirty rect. If so, then we paint |
| 39 // them. Note that boxes can easily overlap, so we can't make any assumption
s |
| 40 // based off positions of our first line box or our last line box. |
| 41 for (InlineFlowBox* curr = m_renderLineBoxList.firstLineBox(); curr; curr =
curr->nextLineBox()) { |
| 42 if (m_renderLineBoxList.lineIntersectsDirtyRect(renderer, curr, info, pa
intOffset)) { |
| 43 RootInlineBox& root = curr->root(); |
| 44 curr->paint(info, paintOffset, root.lineTop(), root.lineBottom()); |
| 45 } |
| 46 } |
| 47 |
| 48 if (info.phase == PaintPhaseOutline || info.phase == PaintPhaseSelfOutline |
| info.phase == PaintPhaseChildOutlines) { |
| 49 ListHashSet<RenderInline*>::iterator end = info.outlineObjects()->end(); |
| 50 for (ListHashSet<RenderInline*>::iterator it = info.outlineObjects()->be
gin(); it != end; ++it) { |
| 51 RenderInline* flow = *it; |
| 52 InlinePainter(*flow).paintOutline(info, paintOffset); |
| 53 } |
| 54 info.outlineObjects()->clear(); |
| 55 } |
| 56 } |
| 57 |
| 58 } // namespace blink |
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