/* * 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