| /* |
| * 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 "core/rendering/shapes/ShapeOutsideInfo.h" |
| |
| #include "core/rendering/RenderBox.h" |
| |
| namespace WebCore { |
| bool ShapeOutsideInfo::isEnabledFor(const RenderBox* box) |
| { |
| ShapeValue* shapeValue = box->style()->shapeOutside(); |
| if (!box->isFloatingWithShapeOutside() || !shapeValue) |
| return false; |
| |
| switch (shapeValue->type()) { |
| case ShapeValue::Shape: |
| return shapeValue->shape(); |
| case ShapeValue::Image: |
| return shapeValue->isImageValid(); |
| case ShapeValue::Outside: |
| return false; |
| } |
| |
| return false; |
| } |
| |
| 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(); |
| } |
| |
| } |