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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"
#include "ShapeInsideInfo.h"
#if ENABLE(CSS_SHAPES)
#include "InlineIterator.h"
#include "RenderBlock.h"
namespace WebCore {
LineSegmentRange::LineSegmentRange(const InlineIterator& start, const InlineIterator& end)
: start(start.root(), start.object(), start.offset())
, end(end.root(), end.object(), end.offset())
{
}
bool ShapeInsideInfo::isEnabledFor(const RenderBlock* renderer)
{
ShapeValue* shapeValue = renderer->style()->resolvedShapeInside();
if (!shapeValue || shapeValue->type() != ShapeValue::Shape)
return false;
BasicShape* shape = shapeValue->shape();
return shape && shape->type() != BasicShape::BasicShapeInsetRectangleType;
}
bool ShapeInsideInfo::adjustLogicalLineTop(float minSegmentWidth)
{
const Shape* shape = computedShape();
if (!shape || m_lineHeight <= 0 || logicalLineTop() > shapeLogicalBottom())
return false;
LayoutUnit newLineTop;
if (shape->firstIncludedIntervalLogicalTop(m_shapeLineTop, LayoutSize(minSegmentWidth, m_lineHeight), newLineTop)) {
if (newLineTop > m_shapeLineTop) {
m_shapeLineTop = newLineTop;
return true;
}
}
return false;
}
}
#endif
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