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