| OLD | NEW |
| 1 /** | 1 /** |
| 2 * Copyright (C) 2007 Rob Buis <buis@kde.org> | 2 * Copyright (C) 2007 Rob Buis <buis@kde.org> |
| 3 * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org> | 3 * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@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. All rights reserved. | 5 * Copyright (C) 2009 Google, Inc. All rights reserved. |
| 6 * Copyright (C) Research In Motion Limited 2010. All rights reserved. | 6 * Copyright (C) Research In Motion Limited 2010. All rights reserved. |
| 7 * | 7 * |
| 8 * This library is free software; you can redistribute it and/or | 8 * This library is free software; you can redistribute it and/or |
| 9 * modify it under the terms of the GNU Library General Public | 9 * modify it under the terms of the GNU Library General Public |
| 10 * License as published by the Free Software Foundation; either | 10 * License as published by the Free Software Foundation; either |
| (...skipping 32 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 43 class ComputedStyle; | 43 class ComputedStyle; |
| 44 class LayoutSVGRoot; | 44 class LayoutSVGRoot; |
| 45 class SVGLengthContext; | 45 class SVGLengthContext; |
| 46 class StrokeData; | 46 class StrokeData; |
| 47 class TransformState; | 47 class TransformState; |
| 48 | 48 |
| 49 class CORE_EXPORT SVGLayoutSupport { | 49 class CORE_EXPORT SVGLayoutSupport { |
| 50 STATIC_ONLY(SVGLayoutSupport); | 50 STATIC_ONLY(SVGLayoutSupport); |
| 51 | 51 |
| 52 public: | 52 public: |
| 53 // Shares child layouting code between LayoutSVGRoot/LayoutSVG(Hidden)Containe
r | 53 // Shares child layouting code between |
| 54 // LayoutSVGRoot/LayoutSVG(Hidden)Container |
| 54 static void layoutChildren(LayoutObject*, | 55 static void layoutChildren(LayoutObject*, |
| 55 bool forceLayout, | 56 bool forceLayout, |
| 56 bool screenScalingFactorChanged, | 57 bool screenScalingFactorChanged, |
| 57 bool layoutSizeChanged); | 58 bool layoutSizeChanged); |
| 58 | 59 |
| 59 // Layout resources used by this node. | 60 // Layout resources used by this node. |
| 60 static void layoutResourcesIfNeeded(const LayoutObject*); | 61 static void layoutResourcesIfNeeded(const LayoutObject*); |
| 61 | 62 |
| 62 // Helper function determining whether overflow is hidden. | 63 // Helper function determining whether overflow is hidden. |
| 63 static bool isOverflowHidden(const LayoutObject*); | 64 static bool isOverflowHidden(const LayoutObject*); |
| 64 | 65 |
| 65 // Calculates the paintInvalidationRect in combination with filter, clipper an
d masker in local coordinates. | 66 // Calculates the paintInvalidationRect in combination with filter, clipper |
| 67 // and masker in local coordinates. |
| 66 static void intersectPaintInvalidationRectWithResources(const LayoutObject*, | 68 static void intersectPaintInvalidationRectWithResources(const LayoutObject*, |
| 67 FloatRect&); | 69 FloatRect&); |
| 68 | 70 |
| 69 // Determine if the LayoutObject references a filter resource object. | 71 // Determine if the LayoutObject references a filter resource object. |
| 70 static bool hasFilterResource(const LayoutObject&); | 72 static bool hasFilterResource(const LayoutObject&); |
| 71 | 73 |
| 72 // Determines whether the passed point lies in a clipping area | 74 // Determines whether the passed point lies in a clipping area |
| 73 static bool pointInClippingArea(const LayoutObject&, const FloatPoint&); | 75 static bool pointInClippingArea(const LayoutObject&, const FloatPoint&); |
| 74 | 76 |
| 75 // Transform |pointInParent| to |object|'s user-space and check if it is | 77 // Transform |pointInParent| to |object|'s user-space and check if it is |
| 76 // within the clipping area. Returns false if the transform is singular or | 78 // within the clipping area. Returns false if the transform is singular or |
| 77 // the point is outside the clipping area. | 79 // the point is outside the clipping area. |
| 78 static bool transformToUserSpaceAndCheckClipping( | 80 static bool transformToUserSpaceAndCheckClipping( |
| 79 const LayoutObject&, | 81 const LayoutObject&, |
| 80 const AffineTransform& localTransform, | 82 const AffineTransform& localTransform, |
| 81 const FloatPoint& pointInParent, | 83 const FloatPoint& pointInParent, |
| 82 FloatPoint& localPoint); | 84 FloatPoint& localPoint); |
| 83 | 85 |
| 84 static void computeContainerBoundingBoxes( | 86 static void computeContainerBoundingBoxes( |
| 85 const LayoutObject* container, | 87 const LayoutObject* container, |
| 86 FloatRect& objectBoundingBox, | 88 FloatRect& objectBoundingBox, |
| 87 bool& objectBoundingBoxValid, | 89 bool& objectBoundingBoxValid, |
| 88 FloatRect& strokeBoundingBox, | 90 FloatRect& strokeBoundingBox, |
| 89 FloatRect& paintInvalidationBoundingBox); | 91 FloatRect& paintInvalidationBoundingBox); |
| 90 | 92 |
| 91 // Important functions used by nearly all SVG layoutObjects centralizing coord
inate transformations / paint invalidation rect calculations | 93 // Important functions used by nearly all SVG layoutObjects centralizing |
| 94 // coordinate transformations / paint invalidation rect calculations |
| 92 static FloatRect localOverflowRectForPaintInvalidation(const LayoutObject&); | 95 static FloatRect localOverflowRectForPaintInvalidation(const LayoutObject&); |
| 93 static LayoutRect clippedOverflowRectForPaintInvalidation( | 96 static LayoutRect clippedOverflowRectForPaintInvalidation( |
| 94 const LayoutObject&, | 97 const LayoutObject&, |
| 95 const LayoutBoxModelObject& paintInvalidationContainer); | 98 const LayoutBoxModelObject& paintInvalidationContainer); |
| 96 static LayoutRect transformPaintInvalidationRect(const LayoutObject&, | 99 static LayoutRect transformPaintInvalidationRect(const LayoutObject&, |
| 97 const AffineTransform&, | 100 const AffineTransform&, |
| 98 const FloatRect&); | 101 const FloatRect&); |
| 99 static bool mapToVisualRectInAncestorSpace( | 102 static bool mapToVisualRectInAncestorSpace( |
| 100 const LayoutObject&, | 103 const LayoutObject&, |
| 101 const LayoutBoxModelObject* ancestor, | 104 const LayoutBoxModelObject* ancestor, |
| (...skipping 24 matching lines...) Expand all Loading... |
| 126 | 129 |
| 127 // Determines if any ancestor has adjusted the scale factor. | 130 // Determines if any ancestor has adjusted the scale factor. |
| 128 static bool screenScaleFactorChanged(const LayoutObject*); | 131 static bool screenScaleFactorChanged(const LayoutObject*); |
| 129 | 132 |
| 130 // Determines if any ancestor's layout size has changed. | 133 // Determines if any ancestor's layout size has changed. |
| 131 static bool layoutSizeOfNearestViewportChanged(const LayoutObject*); | 134 static bool layoutSizeOfNearestViewportChanged(const LayoutObject*); |
| 132 | 135 |
| 133 // FIXME: These methods do not belong here. | 136 // FIXME: These methods do not belong here. |
| 134 static const LayoutSVGRoot* findTreeRootObject(const LayoutObject*); | 137 static const LayoutSVGRoot* findTreeRootObject(const LayoutObject*); |
| 135 | 138 |
| 136 // Helper method for determining if a LayoutObject marked as text (isText()==
true) | 139 // Helper method for determining if a LayoutObject marked as text (isText()== |
| 137 // can/will be laid out as part of a <text>. | 140 // true) can/will be laid out as part of a <text>. |
| 138 static bool isLayoutableTextNode(const LayoutObject*); | 141 static bool isLayoutableTextNode(const LayoutObject*); |
| 139 | 142 |
| 140 // Determines whether a svg node should isolate or not based on ComputedStyle. | 143 // Determines whether a svg node should isolate or not based on ComputedStyle. |
| 141 static bool willIsolateBlendingDescendantsForStyle(const ComputedStyle&); | 144 static bool willIsolateBlendingDescendantsForStyle(const ComputedStyle&); |
| 142 static bool willIsolateBlendingDescendantsForObject(const LayoutObject*); | 145 static bool willIsolateBlendingDescendantsForObject(const LayoutObject*); |
| 143 template <typename LayoutObjectType> | 146 template <typename LayoutObjectType> |
| 144 static bool computeHasNonIsolatedBlendingDescendants(const LayoutObjectType*); | 147 static bool computeHasNonIsolatedBlendingDescendants(const LayoutObjectType*); |
| 145 static bool isIsolationRequired(const LayoutObject*); | 148 static bool isIsolationRequired(const LayoutObject*); |
| 146 | 149 |
| 147 static AffineTransform deprecatedCalculateTransformToLayer( | 150 static AffineTransform deprecatedCalculateTransformToLayer( |
| (...skipping 71 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 219 if (child->hasNonIsolatedBlendingDescendants() && | 222 if (child->hasNonIsolatedBlendingDescendants() && |
| 220 !willIsolateBlendingDescendantsForObject(child)) | 223 !willIsolateBlendingDescendantsForObject(child)) |
| 221 return true; | 224 return true; |
| 222 } | 225 } |
| 223 return false; | 226 return false; |
| 224 } | 227 } |
| 225 | 228 |
| 226 } // namespace blink | 229 } // namespace blink |
| 227 | 230 |
| 228 #endif // SVGLayoutSupport_h | 231 #endif // SVGLayoutSupport_h |
| OLD | NEW |