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| 1 /* | |
| 2 * Copyright (C) Research In Motion Limited 2010. All rights reserved. | |
| 3 * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org> | |
| 4 * Copyright (C) 2004, 2005, 2008 Rob Buis <buis@kde.org> | |
| 5 * Copyright (C) 2005, 2007 Eric Seidel <eric@webkit.org> | |
| 6 * Copyright (C) 2009 Google, Inc. | |
| 7 * | |
| 8 * This library is free software; you can redistribute it and/or | |
| 9 * modify it under the terms of the GNU Library General Public | |
| 10 * License as published by the Free Software Foundation; either | |
| 11 * version 2 of the License, or (at your option) any later version. | |
| 12 * | |
| 13 * This library is distributed in the hope that it will be useful, | |
| 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 16 * Library General Public License for more details. | |
| 17 * | |
| 18 * You should have received a copy of the GNU Library General Public License | |
| 19 * along with this library; see the file COPYING.LIB. If not, write to | |
| 20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
| 21 * Boston, MA 02110-1301, USA. | |
| 22 */ | |
| 23 | |
| 24 #include "config.h" | |
| 25 | |
| 26 #if ENABLE(SVG) | |
| 27 #include "SVGMarkerLayoutInfo.h" | |
| 28 | |
| 29 #include "RenderSVGResourceMarker.h" | |
| 30 | |
| 31 namespace WebCore { | |
| 32 | |
| 33 SVGMarkerLayoutInfo::SVGMarkerLayoutInfo() | |
| 34 : m_midMarker(0) | |
| 35 , m_elementIndex(0) | |
| 36 , m_strokeWidth(0) | |
| 37 { | |
| 38 } | |
| 39 | |
| 40 SVGMarkerLayoutInfo::~SVGMarkerLayoutInfo() | |
| 41 { | |
| 42 } | |
| 43 | |
| 44 static inline void processStartAndMidMarkers(void* infoPtr, const PathElement* e
lement) | |
| 45 { | |
| 46 SVGMarkerLayoutInfo& info = *reinterpret_cast<SVGMarkerLayoutInfo*>(infoPtr)
; | |
| 47 SVGMarkerData& markerData = info.markerData(); | |
| 48 int& elementIndex = info.elementIndex(); | |
| 49 | |
| 50 // First update the outslope for the previous element | |
| 51 markerData.updateOutslope(element->points[0]); | |
| 52 | |
| 53 // Draw the marker for the previous element | |
| 54 RenderSVGResourceMarker* marker = markerData.marker(); | |
| 55 if (elementIndex > 0 && marker) | |
| 56 info.addLayoutedMarker(marker, markerData.origin(), markerData.currentAn
gle()); | |
| 57 | |
| 58 // Update our marker data for this element | |
| 59 markerData.updateMarkerDataForPathElement(element); | |
| 60 | |
| 61 // After drawing the start marker, switch to drawing mid markers | |
| 62 if (elementIndex == 1) | |
| 63 markerData.updateTypeAndMarker(SVGMarkerData::Mid, info.midMarker()); | |
| 64 | |
| 65 ++elementIndex; | |
| 66 } | |
| 67 | |
| 68 FloatRect SVGMarkerLayoutInfo::calculateBoundaries(RenderSVGResourceMarker* star
tMarker, RenderSVGResourceMarker* midMarker, RenderSVGResourceMarker* endMarker,
float strokeWidth, const Path& path) | |
| 69 { | |
| 70 m_layout.clear(); | |
| 71 m_midMarker = midMarker; | |
| 72 m_strokeWidth = strokeWidth; | |
| 73 m_elementIndex = 0; | |
| 74 m_markerData = SVGMarkerData(SVGMarkerData::Start, startMarker); | |
| 75 path.apply(this, processStartAndMidMarkers); | |
| 76 | |
| 77 if (endMarker) { | |
| 78 m_markerData.updateTypeAndMarker(SVGMarkerData::End, endMarker); | |
| 79 addLayoutedMarker(endMarker, m_markerData.origin(), m_markerData.current
Angle()); | |
| 80 } | |
| 81 | |
| 82 if (m_layout.isEmpty()) | |
| 83 return FloatRect(); | |
| 84 | |
| 85 Vector<MarkerLayout>::iterator it = m_layout.begin(); | |
| 86 Vector<MarkerLayout>::iterator end = m_layout.end(); | |
| 87 | |
| 88 FloatRect bounds; | |
| 89 for (; it != end; ++it) { | |
| 90 MarkerLayout& layout = *it; | |
| 91 | |
| 92 RenderSVGResourceMarker* markerContent = layout.marker; | |
| 93 ASSERT(markerContent); | |
| 94 | |
| 95 bounds.unite(markerContent->markerBoundaries(layout.matrix)); | |
| 96 } | |
| 97 | |
| 98 return bounds; | |
| 99 } | |
| 100 | |
| 101 void SVGMarkerLayoutInfo::clear() | |
| 102 { | |
| 103 m_midMarker = 0; | |
| 104 m_elementIndex = 0; | |
| 105 m_strokeWidth = 0; | |
| 106 m_markerData.updateTypeAndMarker(SVGMarkerData::Unknown, 0); | |
| 107 m_layout.clear(); | |
| 108 } | |
| 109 | |
| 110 void SVGMarkerLayoutInfo::drawMarkers(PaintInfo& paintInfo) | |
| 111 { | |
| 112 if (m_layout.isEmpty()) | |
| 113 return; | |
| 114 | |
| 115 Vector<MarkerLayout>::iterator it = m_layout.begin(); | |
| 116 Vector<MarkerLayout>::iterator end = m_layout.end(); | |
| 117 | |
| 118 for (; it != end; ++it) { | |
| 119 MarkerLayout& layout = *it; | |
| 120 layout.marker->draw(paintInfo, layout.matrix); | |
| 121 } | |
| 122 } | |
| 123 | |
| 124 void SVGMarkerLayoutInfo::addLayoutedMarker(RenderSVGResourceMarker* marker, con
st FloatPoint& origin, float angle) | |
| 125 { | |
| 126 ASSERT(marker); | |
| 127 m_layout.append(MarkerLayout(marker, marker->markerTransformation(origin, an
gle, m_strokeWidth))); | |
| 128 } | |
| 129 | |
| 130 } | |
| 131 | |
| 132 #endif // ENABLE(SVG) | |
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Chromium Code Reviews
Issue 10447082:
Merge 117971 (Closed)
Base URL: http://svn.webkit.org/repository/webkit/branches/chromium/1132/