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| 1 /* | |
| 2 * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved. | |
| 3 * | |
| 4 * This library is free software; you can redistribute it and/or | |
| 5 * modify it under the terms of the GNU Library General Public | |
| 6 * License as published by the Free Software Foundation; either | |
| 7 * version 2 of the License, or (at your option) any later version. | |
| 8 * | |
| 9 * This library is distributed in the hope that it will be useful, | |
| 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 12 * Library General Public License for more details. | |
| 13 * | |
| 14 * You should have received a copy of the GNU Library General Public License | |
| 15 * along with this library; see the file COPYING.LIB. If not, write to | |
| 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
| 17 * Boston, MA 02110-1301, USA. | |
| 18 */ | |
| 19 | |
| 20 #ifndef RenderSVGResourceMarker_h | |
| 21 #define RenderSVGResourceMarker_h | |
| 22 | |
| 23 #include "core/rendering/svg/RenderSVGResourceContainer.h" | |
| 24 #include "core/svg/SVGElement.h" | |
| 25 #include "core/svg/SVGMarkerElement.h" | |
| 26 #include "platform/geometry/FloatRect.h" | |
| 27 #include "wtf/HashSet.h" | |
| 28 | |
| 29 namespace blink { | |
| 30 | |
| 31 class LayoutObject; | |
| 32 | |
| 33 class RenderSVGResourceMarker final : public RenderSVGResourceContainer { | |
| 34 public: | |
| 35 explicit RenderSVGResourceMarker(SVGMarkerElement*); | |
| 36 virtual ~RenderSVGResourceMarker(); | |
| 37 | |
| 38 virtual const char* renderName() const override { return "RenderSVGResourceM
arker"; } | |
| 39 | |
| 40 virtual void removeAllClientsFromCache(bool markForInvalidation = true) over
ride; | |
| 41 virtual void removeClientFromCache(LayoutObject*, bool markForInvalidation =
true) override; | |
| 42 | |
| 43 // Calculates marker boundaries, mapped to the target element's coordinate s
pace | |
| 44 FloatRect markerBoundaries(const AffineTransform& markerTransformation) cons
t; | |
| 45 | |
| 46 virtual void layout() override; | |
| 47 virtual void calcViewport() override; | |
| 48 | |
| 49 virtual const AffineTransform& localToParentTransform() const override; | |
| 50 AffineTransform markerTransformation(const FloatPoint& origin, float angle,
float strokeWidth) const; | |
| 51 | |
| 52 FloatPoint referencePoint() const; | |
| 53 float angle() const; | |
| 54 SVGMarkerUnitsType markerUnits() const { return toSVGMarkerElement(element()
)->markerUnits()->currentValue()->enumValue(); } | |
| 55 SVGMarkerOrientType orientType() const { return toSVGMarkerElement(element()
)->orientType()->currentValue()->enumValue(); } | |
| 56 | |
| 57 const FloatRect& viewport() const { return m_viewport; } | |
| 58 | |
| 59 static const RenderSVGResourceType s_resourceType = MarkerResourceType; | |
| 60 virtual RenderSVGResourceType resourceType() const override { return s_resou
rceType; } | |
| 61 | |
| 62 private: | |
| 63 // Generates a transformation matrix usable to render marker content. Handle
s scaling the marker content | |
| 64 // acording to SVGs markerUnits="strokeWidth" concept, when a strokeWidth va
lue != -1 is passed in. | |
| 65 AffineTransform markerContentTransformation(const AffineTransform& contentTr
ansformation, const FloatPoint& origin, float strokeWidth = -1) const; | |
| 66 | |
| 67 AffineTransform viewportTransform() const; | |
| 68 | |
| 69 mutable AffineTransform m_localToParentTransform; | |
| 70 FloatRect m_viewport; | |
| 71 }; | |
| 72 | |
| 73 DEFINE_RENDER_SVG_RESOURCE_TYPE_CASTS(RenderSVGResourceMarker, MarkerResourceTyp
e); | |
| 74 | |
| 75 } | |
| 76 | |
| 77 #endif | |
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Chromium Code Reviews
Issue 908243002:
Move rendering/svg/RenderSVGResource* to layout/svg. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk