Source/core/paint/BlockFlowPainter.cpp

// 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"

namespace blink {

void BlockFlowPainter::paintFloats(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()->x(), paintOffset.y()
                + m_renderBlockFlow.yPositionForFloatIncludingMargin(floatingObject) - floatingObject->renderer()->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);
            }
        }
    }
}

} // namespace blink