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1 /* | 1 /* |
2 * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org> | 2 * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org> |
3 * Copyright (C) 2004, 2005, 2006, 2007, 2010 Rob Buis <buis@kde.org> | 3 * Copyright (C) 2004, 2005, 2006, 2007, 2010 Rob Buis <buis@kde.org> |
4 * Copyright (C) 2014 Samsung Electronics. All rights reserved. | 4 * Copyright (C) 2014 Samsung Electronics. All rights reserved. |
5 * | 5 * |
6 * This library is free software; you can redistribute it and/or | 6 * This library is free software; you can redistribute it and/or |
7 * modify it under the terms of the GNU Library General Public | 7 * modify it under the terms of the GNU Library General Public |
8 * License as published by the Free Software Foundation; either | 8 * License as published by the Free Software Foundation; either |
9 * version 2 of the License, or (at your option) any later version. | 9 * version 2 of the License, or (at your option) any later version. |
10 * | 10 * |
11 * This library is distributed in the hope that it will be useful, | 11 * This library is distributed in the hope that it will be useful, |
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 * Library General Public License for more details. | 14 * Library General Public License for more details. |
15 * | 15 * |
16 * You should have received a copy of the GNU Library General Public License | 16 * You should have received a copy of the GNU Library General Public License |
17 * along with this library; see the file COPYING.LIB. If not, write to | 17 * along with this library; see the file COPYING.LIB. If not, write to |
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | 18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
19 * Boston, MA 02110-1301, USA. | 19 * Boston, MA 02110-1301, USA. |
20 */ | 20 */ |
21 | 21 |
22 #include "core/svg/SVGFitToViewBox.h" | 22 #include "core/svg/SVGFitToViewBox.h" |
23 | 23 |
24 #include "core/dom/Attribute.h" | |
25 #include "core/svg/SVGDocumentExtensions.h" | |
26 #include "core/svg/SVGElement.h" | 24 #include "core/svg/SVGElement.h" |
27 #include "core/svg/SVGParserUtilities.h" | 25 #include "core/svg/SVGParsingError.h" |
28 #include "platform/geometry/FloatRect.h" | 26 #include "platform/geometry/FloatRect.h" |
29 #include "platform/transforms/AffineTransform.h" | 27 #include "platform/transforms/AffineTransform.h" |
30 #include "wtf/text/StringImpl.h" | |
31 | 28 |
32 namespace blink { | 29 namespace blink { |
33 | 30 |
34 class SVGAnimatedViewBoxRect : public SVGAnimatedRect { | 31 class SVGAnimatedViewBoxRect : public SVGAnimatedRect { |
35 public: | 32 public: |
36 static SVGAnimatedRect* create(SVGElement* contextElement) { | 33 static SVGAnimatedRect* create(SVGElement* contextElement) { |
37 return new SVGAnimatedViewBoxRect(contextElement); | 34 return new SVGAnimatedViewBoxRect(contextElement); |
38 } | 35 } |
39 | 36 |
40 SVGParsingError setBaseValueAsString(const String&) override; | 37 SVGParsingError setBaseValueAsString(const String&) override; |
41 | 38 |
42 protected: | 39 protected: |
43 SVGAnimatedViewBoxRect(SVGElement* contextElement) | 40 SVGAnimatedViewBoxRect(SVGElement* contextElement) |
44 : SVGAnimatedRect(contextElement, SVGNames::viewBoxAttr) {} | 41 : SVGAnimatedRect(contextElement, SVGNames::viewBoxAttr) {} |
45 }; | 42 }; |
46 | 43 |
47 SVGParsingError SVGAnimatedViewBoxRect::setBaseValueAsString( | 44 SVGParsingError SVGAnimatedViewBoxRect::setBaseValueAsString( |
48 const String& value) { | 45 const String& value) { |
49 SVGParsingError parseStatus = SVGAnimatedRect::setBaseValueAsString(value); | 46 SVGParsingError parseStatus = SVGAnimatedRect::setBaseValueAsString(value); |
50 | 47 |
51 if (parseStatus == SVGParseStatus::NoError && | 48 if (parseStatus == SVGParseStatus::NoError && |
52 (baseValue()->width() < 0 || baseValue()->height() < 0)) { | 49 (baseValue()->width() < 0 || baseValue()->height() < 0)) { |
53 parseStatus = SVGParseStatus::NegativeValue; | 50 parseStatus = SVGParseStatus::NegativeValue; |
54 baseValue()->setInvalid(); | 51 baseValue()->setInvalid(); |
55 } | 52 } |
56 return parseStatus; | 53 return parseStatus; |
57 } | 54 } |
58 | 55 |
59 SVGFitToViewBox::SVGFitToViewBox(SVGElement* element, | 56 SVGFitToViewBox::SVGFitToViewBox(SVGElement* element) |
60 PropertyMapPolicy propertyMapPolicy) | |
61 : m_viewBox(SVGAnimatedViewBoxRect::create(element)), | 57 : m_viewBox(SVGAnimatedViewBoxRect::create(element)), |
62 m_preserveAspectRatio(SVGAnimatedPreserveAspectRatio::create( | 58 m_preserveAspectRatio(SVGAnimatedPreserveAspectRatio::create( |
63 element, | 59 element, |
64 SVGNames::preserveAspectRatioAttr)) { | 60 SVGNames::preserveAspectRatioAttr)) { |
65 ASSERT(element); | 61 DCHECK(element); |
66 if (propertyMapPolicy == PropertyMapPolicyAdd) { | 62 element->addToPropertyMap(m_viewBox); |
67 element->addToPropertyMap(m_viewBox); | 63 element->addToPropertyMap(m_preserveAspectRatio); |
68 element->addToPropertyMap(m_preserveAspectRatio); | |
69 } | |
70 } | 64 } |
71 | 65 |
72 DEFINE_TRACE(SVGFitToViewBox) { | 66 DEFINE_TRACE(SVGFitToViewBox) { |
73 visitor->trace(m_viewBox); | 67 visitor->trace(m_viewBox); |
74 visitor->trace(m_preserveAspectRatio); | 68 visitor->trace(m_preserveAspectRatio); |
75 } | 69 } |
76 | 70 |
77 AffineTransform SVGFitToViewBox::viewBoxToViewTransform( | 71 AffineTransform SVGFitToViewBox::viewBoxToViewTransform( |
78 const FloatRect& viewBoxRect, | 72 const FloatRect& viewBoxRect, |
79 SVGPreserveAspectRatio* preserveAspectRatio, | 73 SVGPreserveAspectRatio* preserveAspectRatio, |
80 float viewWidth, | 74 float viewWidth, |
81 float viewHeight) { | 75 float viewHeight) { |
82 if (!viewBoxRect.width() || !viewBoxRect.height() || !viewWidth || | 76 if (!viewBoxRect.width() || !viewBoxRect.height() || !viewWidth || |
83 !viewHeight) | 77 !viewHeight) |
84 return AffineTransform(); | 78 return AffineTransform(); |
85 | 79 |
86 return preserveAspectRatio->getCTM(viewBoxRect.x(), viewBoxRect.y(), | 80 return preserveAspectRatio->getCTM(viewBoxRect.x(), viewBoxRect.y(), |
87 viewBoxRect.width(), viewBoxRect.height(), | 81 viewBoxRect.width(), viewBoxRect.height(), |
88 viewWidth, viewHeight); | 82 viewWidth, viewHeight); |
89 } | 83 } |
90 | 84 |
91 bool SVGFitToViewBox::isKnownAttribute(const QualifiedName& attrName) { | 85 bool SVGFitToViewBox::isKnownAttribute(const QualifiedName& attrName) { |
92 return attrName == SVGNames::viewBoxAttr || | 86 return attrName == SVGNames::viewBoxAttr || |
93 attrName == SVGNames::preserveAspectRatioAttr; | 87 attrName == SVGNames::preserveAspectRatioAttr; |
94 } | 88 } |
95 | 89 |
96 void SVGFitToViewBox::updateViewBox(const FloatRect& rect) { | |
97 ASSERT(m_viewBox); | |
98 m_viewBox->baseValue()->setValue(rect); | |
99 } | |
100 | |
101 } // namespace blink | 90 } // namespace blink |
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