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Side by Side Diff: Source/core/layout/svg/LayoutSVGViewportContainer.cpp

Issue 921633007: Move the SVG container code from rendering/svg to layout/svg. (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 5 years, 10 months ago
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1 /* 1 /*
2 * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org> 2 * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 2004, 2005, 2007 Rob Buis <buis@kde.org> 3 * Copyright (C) 2004, 2005, 2007 Rob Buis <buis@kde.org>
4 * Copyright (C) 2007 Eric Seidel <eric@webkit.org> 4 * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
5 * Copyright (C) 2009 Google, Inc. 5 * Copyright (C) 2009 Google, Inc.
6 * 6 *
7 * This library is free software; you can redistribute it and/or 7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public 8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either 9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version. 10 * version 2 of the License, or (at your option) any later version.
11 * 11 *
12 * This library is distributed in the hope that it will be useful, 12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details. 15 * Library General Public License for more details.
16 * 16 *
17 * You should have received a copy of the GNU Library General Public License 17 * You should have received a copy of the GNU Library General Public License
18 * along with this library; see the file COPYING.LIB. If not, write to 18 * along with this library; see the file COPYING.LIB. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 * Boston, MA 02110-1301, USA. 20 * Boston, MA 02110-1301, USA.
21 */ 21 */
22 22
23 #include "config.h" 23 #include "config.h"
24 #include "core/rendering/svg/RenderSVGViewportContainer.h" 24 #include "core/layout/svg/LayoutSVGViewportContainer.h"
25 25
26 #include "core/layout/PaintInfo.h" 26 #include "core/layout/PaintInfo.h"
27 #include "core/layout/svg/SVGLayoutSupport.h" 27 #include "core/layout/svg/SVGLayoutSupport.h"
28 #include "core/paint/SVGContainerPainter.h" 28 #include "core/paint/SVGContainerPainter.h"
29 #include "core/svg/SVGSVGElement.h" 29 #include "core/svg/SVGSVGElement.h"
30 #include "core/svg/SVGUseElement.h" 30 #include "core/svg/SVGUseElement.h"
31 #include "platform/graphics/GraphicsContext.h" 31 #include "platform/graphics/GraphicsContext.h"
32 32
33 namespace blink { 33 namespace blink {
34 34
35 RenderSVGViewportContainer::RenderSVGViewportContainer(SVGElement* node) 35 LayoutSVGViewportContainer::LayoutSVGViewportContainer(SVGElement* node)
36 : LayoutSVGContainer(node) 36 : LayoutSVGContainer(node)
37 , m_didTransformToRootUpdate(false) 37 , m_didTransformToRootUpdate(false)
38 , m_isLayoutSizeChanged(false) 38 , m_isLayoutSizeChanged(false)
39 , m_needsTransformUpdate(true) 39 , m_needsTransformUpdate(true)
40 { 40 {
41 } 41 }
42 42
43 void RenderSVGViewportContainer::determineIfLayoutSizeChanged() 43 void LayoutSVGViewportContainer::determineIfLayoutSizeChanged()
44 { 44 {
45 ASSERT(element()); 45 ASSERT(element());
46 if (!isSVGSVGElement(*element())) 46 if (!isSVGSVGElement(*element()))
47 return; 47 return;
48 48
49 m_isLayoutSizeChanged = toSVGSVGElement(element())->hasRelativeLengths() && selfNeedsLayout(); 49 m_isLayoutSizeChanged = toSVGSVGElement(element())->hasRelativeLengths() && selfNeedsLayout();
50 } 50 }
51 51
52 void RenderSVGViewportContainer::calcViewport() 52 void LayoutSVGViewportContainer::calcViewport()
53 { 53 {
54 SVGElement* element = this->element(); 54 SVGElement* element = this->element();
55 ASSERT(element); 55 ASSERT(element);
56 if (!isSVGSVGElement(*element)) 56 if (!isSVGSVGElement(*element))
57 return; 57 return;
58 SVGSVGElement* svg = toSVGSVGElement(element); 58 SVGSVGElement* svg = toSVGSVGElement(element);
59 FloatRect oldViewport = m_viewport; 59 FloatRect oldViewport = m_viewport;
60 60
61 SVGLengthContext lengthContext(element); 61 SVGLengthContext lengthContext(element);
62 m_viewport = FloatRect(svg->x()->currentValue()->value(lengthContext), svg-> y()->currentValue()->value(lengthContext), svg->width()->currentValue()->value(l engthContext), svg->height()->currentValue()->value(lengthContext)); 62 m_viewport = FloatRect(svg->x()->currentValue()->value(lengthContext), svg-> y()->currentValue()->value(lengthContext), svg->width()->currentValue()->value(l engthContext), svg->height()->currentValue()->value(lengthContext));
63 63
64 if (oldViewport != m_viewport) { 64 if (oldViewport != m_viewport) {
65 setNeedsBoundariesUpdate(); 65 setNeedsBoundariesUpdate();
66 setNeedsTransformUpdate(); 66 setNeedsTransformUpdate();
67 } 67 }
68 } 68 }
69 69
70 bool RenderSVGViewportContainer::calculateLocalTransform() 70 bool LayoutSVGViewportContainer::calculateLocalTransform()
71 { 71 {
72 m_didTransformToRootUpdate = m_needsTransformUpdate || SVGLayoutSupport::tra nsformToRootChanged(parent()); 72 m_didTransformToRootUpdate = m_needsTransformUpdate || SVGLayoutSupport::tra nsformToRootChanged(parent());
73 if (!m_needsTransformUpdate) 73 if (!m_needsTransformUpdate)
74 return false; 74 return false;
75 75
76 m_localToParentTransform = AffineTransform::translation(m_viewport.x(), m_vi ewport.y()) * viewportTransform(); 76 m_localToParentTransform = AffineTransform::translation(m_viewport.x(), m_vi ewport.y()) * viewportTransform();
77 m_needsTransformUpdate = false; 77 m_needsTransformUpdate = false;
78 return true; 78 return true;
79 } 79 }
80 80
81 AffineTransform RenderSVGViewportContainer::viewportTransform() const 81 AffineTransform LayoutSVGViewportContainer::viewportTransform() const
82 { 82 {
83 ASSERT(element()); 83 ASSERT(element());
84 if (isSVGSVGElement(*element())) { 84 if (isSVGSVGElement(*element())) {
85 SVGSVGElement* svg = toSVGSVGElement(element()); 85 SVGSVGElement* svg = toSVGSVGElement(element());
86 return svg->viewBoxToViewTransform(m_viewport.width(), m_viewport.height ()); 86 return svg->viewBoxToViewTransform(m_viewport.width(), m_viewport.height ());
87 } 87 }
88 88
89 return AffineTransform(); 89 return AffineTransform();
90 } 90 }
91 91
92 bool RenderSVGViewportContainer::pointIsInsideViewportClip(const FloatPoint& poi ntInParent) 92 bool LayoutSVGViewportContainer::pointIsInsideViewportClip(const FloatPoint& poi ntInParent)
93 { 93 {
94 // Respect the viewport clip (which is in parent coords) 94 // Respect the viewport clip (which is in parent coords)
95 if (!SVGLayoutSupport::isOverflowHidden(this)) 95 if (!SVGLayoutSupport::isOverflowHidden(this))
96 return true; 96 return true;
97 97
98 return m_viewport.contains(pointInParent); 98 return m_viewport.contains(pointInParent);
99 } 99 }
100 100
101 void RenderSVGViewportContainer::paint(const PaintInfo& paintInfo, const LayoutP oint& paintOffset) 101 void LayoutSVGViewportContainer::paint(const PaintInfo& paintInfo, const LayoutP oint& paintOffset)
102 { 102 {
103 SVGContainerPainter(*this).paint(paintInfo); 103 SVGContainerPainter(*this).paint(paintInfo);
104 } 104 }
105 105
106 } 106 }
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