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/*
* Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "config.h"
#if ENABLE(CSS_SHAPES)
#include "ShapeOutsideInfo.h"
#include "RenderBox.h"
namespace WebCore {
bool ShapeOutsideInfo::isEnabledFor(const RenderBox* box)
{
ShapeValue* value = box->style()->shapeOutside();
return box->isFloatingWithShapeOutside() && value->type() == ShapeValue::Shape && value->shape();
}
bool ShapeOutsideInfo::computeSegmentsForContainingBlockLine(LayoutUnit lineTop, LayoutUnit floatTop, LayoutUnit lineHeight)
{
LayoutUnit lineTopInShapeCoordinates = lineTop - floatTop + logicalTopOffset();
return computeSegmentsForLine(lineTopInShapeCoordinates, lineHeight);
}
bool ShapeOutsideInfo::computeSegmentsForLine(LayoutUnit lineTop, LayoutUnit lineHeight)
{
if (shapeSizeDirty() || m_lineTop != lineTop || m_lineHeight != lineHeight) {
if (ShapeInfo<RenderBox, &RenderStyle::shapeOutside, &Shape::getExcludedIntervals>::computeSegmentsForLine(lineTop, lineHeight)) {
m_leftSegmentMarginBoxDelta = m_segments[0].logicalLeft + m_renderer->marginStart();
m_rightSegmentMarginBoxDelta = m_segments[m_segments.size()-1].logicalRight - m_renderer->logicalWidth() - m_renderer->marginEnd();
} else {
m_leftSegmentMarginBoxDelta = m_renderer->logicalWidth() + m_renderer->marginStart();
m_rightSegmentMarginBoxDelta = -m_renderer->logicalWidth() - m_renderer->marginEnd();
}
m_lineTop = lineTop;
}
return m_segments.size();
}
}
#endif
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