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1 /* | 1 /* |
2 * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org> | 2 * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org> |
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 #include "core/layout/svg/LayoutSVGTextPath.h" | 20 #include "core/layout/svg/LayoutSVGTextPath.h" |
21 | 21 |
22 #include "core/layout/svg/SVGLayoutSupport.h" | 22 #include "core/layout/svg/SVGLayoutSupport.h" |
23 #include "core/svg/SVGPathElement.h" | 23 #include "core/svg/SVGPathElement.h" |
24 #include "core/svg/SVGTextPathElement.h" | 24 #include "core/svg/SVGTextPathElement.h" |
25 #include "platform/graphics/Path.h" | 25 #include "platform/graphics/Path.h" |
26 | 26 |
27 namespace blink { | 27 namespace blink { |
28 | 28 |
| 29 TreeScope& treeScopeForIdResolution(const SVGElement& element) |
| 30 { |
| 31 if (SVGElement* correspondingElement = element.correspondingElement()) |
| 32 return correspondingElement->treeScope(); |
| 33 return element.treeScope(); |
| 34 } |
| 35 |
29 PathPositionMapper::PathPositionMapper(const Path& path) | 36 PathPositionMapper::PathPositionMapper(const Path& path) |
30 : m_positionCalculator(path) | 37 : m_positionCalculator(path) |
31 , m_pathLength(path.length()) | 38 , m_pathLength(path.length()) |
32 { | 39 { |
33 } | 40 } |
34 | 41 |
35 PathPositionMapper::PositionType PathPositionMapper::pointAndNormalAtLength( | 42 PathPositionMapper::PositionType PathPositionMapper::pointAndNormalAtLength( |
36 float length, FloatPoint& point, float& angle) | 43 float length, FloatPoint& point, float& angle) |
37 { | 44 { |
38 if (length < 0) | 45 if (length < 0) |
(...skipping 15 matching lines...) Expand all Loading... |
54 if (child->isText()) | 61 if (child->isText()) |
55 return SVGLayoutSupport::isLayoutableTextNode(child); | 62 return SVGLayoutSupport::isLayoutableTextNode(child); |
56 | 63 |
57 return child->isSVGInline() && !child->isSVGTextPath(); | 64 return child->isSVGInline() && !child->isSVGTextPath(); |
58 } | 65 } |
59 | 66 |
60 PassOwnPtr<PathPositionMapper> LayoutSVGTextPath::layoutPath() const | 67 PassOwnPtr<PathPositionMapper> LayoutSVGTextPath::layoutPath() const |
61 { | 68 { |
62 const SVGTextPathElement& textPathElement = toSVGTextPathElement(*node()); | 69 const SVGTextPathElement& textPathElement = toSVGTextPathElement(*node()); |
63 Element* targetElement = SVGURIReference::targetElementFromIRIString( | 70 Element* targetElement = SVGURIReference::targetElementFromIRIString( |
64 textPathElement.hrefString(), textPathElement.treeScope()); | 71 textPathElement.hrefString(), treeScopeForIdResolution(textPathElement))
; |
| 72 |
65 if (!isSVGPathElement(targetElement)) | 73 if (!isSVGPathElement(targetElement)) |
66 return nullptr; | 74 return nullptr; |
67 | 75 |
68 SVGPathElement& pathElement = toSVGPathElement(*targetElement); | 76 SVGPathElement& pathElement = toSVGPathElement(*targetElement); |
69 Path pathData = pathElement.asPath(); | 77 Path pathData = pathElement.asPath(); |
70 if (pathData.isEmpty()) | 78 if (pathData.isEmpty()) |
71 return nullptr; | 79 return nullptr; |
72 | 80 |
73 // Spec: The transform attribute on the referenced 'path' element represent
s a | 81 // Spec: The transform attribute on the referenced 'path' element represent
s a |
74 // supplemental transformation relative to the current user coordinate syste
m for | 82 // supplemental transformation relative to the current user coordinate syste
m for |
75 // the current 'text' element, including any adjustments to the current user
coordinate | 83 // the current 'text' element, including any adjustments to the current user
coordinate |
76 // system due to a possible transform attribute on the current 'text' elemen
t. | 84 // system due to a possible transform attribute on the current 'text' elemen
t. |
77 // http://www.w3.org/TR/SVG/text.html#TextPathElement | 85 // http://www.w3.org/TR/SVG/text.html#TextPathElement |
78 pathData.transform(pathElement.calculateAnimatedLocalTransform()); | 86 pathData.transform(pathElement.calculateAnimatedLocalTransform()); |
79 | 87 |
80 return PathPositionMapper::create(pathData); | 88 return PathPositionMapper::create(pathData); |
81 } | 89 } |
82 | 90 |
83 float LayoutSVGTextPath::calculateStartOffset(float pathLength) const | 91 float LayoutSVGTextPath::calculateStartOffset(float pathLength) const |
84 { | 92 { |
85 const SVGLength& startOffset = *toSVGTextPathElement(node())->startOffset()-
>currentValue(); | 93 const SVGLength& startOffset = *toSVGTextPathElement(node())->startOffset()-
>currentValue(); |
86 float textPathStartOffset = startOffset.valueAsPercentage(); | 94 float textPathStartOffset = startOffset.valueAsPercentage(); |
87 if (startOffset.typeWithCalcResolved() == CSSPrimitiveValue::UnitType::Perce
ntage) | 95 if (startOffset.typeWithCalcResolved() == CSSPrimitiveValue::UnitType::Perce
ntage) |
88 textPathStartOffset *= pathLength; | 96 textPathStartOffset *= pathLength; |
89 | 97 |
90 return textPathStartOffset; | 98 return textPathStartOffset; |
91 } | 99 } |
92 | 100 |
93 } // namespace blink | 101 } // namespace blink |
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