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// 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.
#include "config.h"
#include "core/paint/BlockFlowPainter.h"
#include "core/rendering/FloatingObjects.h"
#include "core/rendering/PaintInfo.h"
#include "core/rendering/RenderBlockFlow.h"
#include "core/rendering/RenderLayer.h"
#include "platform/graphics/paint/ClipRecorderStack.h"
namespace blink {
void BlockFlowPainter::paintFloats(const PaintInfo& paintInfo, const LayoutPoint& paintOffset, bool preservePhase)
{
if (!m_renderBlockFlow.floatingObjects())
return;
const FloatingObjectSet& floatingObjectSet = m_renderBlockFlow.floatingObjects()->set();
FloatingObjectSetIterator end = floatingObjectSet.end();
for (FloatingObjectSetIterator it = floatingObjectSet.begin(); it != end; ++it) {
FloatingObject* floatingObject = it->get();
// Only paint the object if our m_shouldPaint flag is set.
if (floatingObject->shouldPaint() && !floatingObject->renderer()->hasSelfPaintingLayer()) {
PaintInfo currentPaintInfo(paintInfo);
currentPaintInfo.phase = preservePhase ? paintInfo.phase : PaintPhaseBlockBackground;
// FIXME: LayoutPoint version of xPositionForFloatIncludingMargin would make this much cleaner.
LayoutPoint childPoint = m_renderBlockFlow.flipFloatForWritingModeForChild(
floatingObject, LayoutPoint(paintOffset.x()
+ m_renderBlockFlow.xPositionForFloatIncludingMargin(floatingObject) - floatingObject->renderer()->location().x(), paintOffset.y()
+ m_renderBlockFlow.yPositionForFloatIncludingMargin(floatingObject) - floatingObject->renderer()->location().y()));
floatingObject->renderer()->paint(currentPaintInfo, childPoint);
if (!preservePhase) {
currentPaintInfo.phase = PaintPhaseChildBlockBackgrounds;
floatingObject->renderer()->paint(currentPaintInfo, childPoint);
currentPaintInfo.phase = PaintPhaseFloat;
floatingObject->renderer()->paint(currentPaintInfo, childPoint);
currentPaintInfo.phase = PaintPhaseForeground;
floatingObject->renderer()->paint(currentPaintInfo, childPoint);
currentPaintInfo.phase = PaintPhaseOutline;
floatingObject->renderer()->paint(currentPaintInfo, childPoint);
}
}
}
}
void BlockFlowPainter::paintSelection(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
if (m_renderBlockFlow.shouldPaintSelectionGaps() && paintInfo.phase == PaintPhaseForeground) {
LayoutUnit lastTop = 0;
LayoutUnit lastLeft = m_renderBlockFlow.logicalLeftSelectionOffset(&m_renderBlockFlow, lastTop);
LayoutUnit lastRight = m_renderBlockFlow.logicalRightSelectionOffset(&m_renderBlockFlow, lastTop);
ClipRecorderStack clipRecorderStack(paintInfo.context);
LayoutRect gapRectsBounds = m_renderBlockFlow.selectionGaps(&m_renderBlockFlow, paintOffset, LayoutSize(), lastTop, lastLeft, lastRight, &paintInfo);
if (!gapRectsBounds.isEmpty()) {
RenderLayer* layer = m_renderBlockFlow.enclosingLayer();
gapRectsBounds.moveBy(-paintOffset);
if (!m_renderBlockFlow.hasLayer()) {
LayoutRect localBounds(gapRectsBounds);
m_renderBlockFlow.flipForWritingMode(localBounds);
gapRectsBounds = m_renderBlockFlow.localToContainerQuad(FloatRect(localBounds), layer->renderer()).enclosingBoundingBox();
if (layer->renderer()->hasOverflowClip())
gapRectsBounds.move(layer->renderBox()->scrolledContentOffset());
}
layer->addBlockSelectionGapsBounds(gapRectsBounds);
}
}
}
} // namespace blink
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