1/* 2 * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above 9 * copyright notice, this list of conditions and the following 10 * disclaimer. 11 * 2. Redistributions in binary form must reproduce the above 12 * copyright notice, this list of conditions and the following 13 * disclaimer in the documentation and/or other materials 14 * provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY 17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 21 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 25 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 26 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30#ifndef ShapeOutsideInfo_h 31#define ShapeOutsideInfo_h 32 33#include "core/platform/graphics/LayoutSize.h" 34#include "core/rendering/shapes/ShapeInfo.h" 35 36namespace WebCore { 37 38class RenderBox; 39 40class ShapeOutsideInfo : public ShapeInfo<RenderBox, &RenderStyle::shapeOutside, &Shape::getExcludedIntervals>, public MappedInfo<RenderBox, ShapeOutsideInfo> { 41public: 42 LayoutUnit leftSegmentMarginBoxDelta() const { return m_leftSegmentMarginBoxDelta; } 43 LayoutUnit rightSegmentMarginBoxDelta() const { return m_rightSegmentMarginBoxDelta; } 44 45 bool computeSegmentsForContainingBlockLine(LayoutUnit lineTop, LayoutUnit floatTop, LayoutUnit lineHeight); 46 virtual bool computeSegmentsForLine(LayoutUnit lineTop, LayoutUnit lineHeight) OVERRIDE; 47 48 static PassOwnPtr<ShapeOutsideInfo> createInfo(const RenderBox* renderer) { return adoptPtr(new ShapeOutsideInfo(renderer)); } 49 static bool isEnabledFor(const RenderBox*); 50 51protected: 52 virtual LayoutRect computedShapeLogicalBoundingBox() const OVERRIDE { return computedShape()->shapeMarginLogicalBoundingBox(); } 53 54private: 55 ShapeOutsideInfo(const RenderBox* renderer) : ShapeInfo<RenderBox, &RenderStyle::shapeOutside, &Shape::getExcludedIntervals>(renderer) { } 56 57 LayoutUnit m_leftSegmentMarginBoxDelta; 58 LayoutUnit m_rightSegmentMarginBoxDelta; 59 LayoutUnit m_lineTop; 60}; 61 62} 63#endif 64