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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 |
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45 public: | 45 public: |
46 // Shares child layouting code between RenderSVGRoot/RenderSVG(Hidden)Contai
ner | 46 // Shares child layouting code between RenderSVGRoot/RenderSVG(Hidden)Contai
ner |
47 static void layoutChildren(RenderObject*, bool selfNeedsLayout); | 47 static void layoutChildren(RenderObject*, bool selfNeedsLayout); |
48 | 48 |
49 // Layout resources used by this node. | 49 // Layout resources used by this node. |
50 static void layoutResourcesIfNeeded(const RenderObject*); | 50 static void layoutResourcesIfNeeded(const RenderObject*); |
51 | 51 |
52 // Helper function determining wheter overflow is hidden | 52 // Helper function determining wheter overflow is hidden |
53 static bool isOverflowHidden(const RenderObject*); | 53 static bool isOverflowHidden(const RenderObject*); |
54 | 54 |
55 // Calculates the repaintRect in combination with filter, clipper and masker
in local coordinates. | 55 // Calculates the paintInvalidationRect in combination with filter, clipper
and masker in local coordinates. |
56 static void intersectRepaintRectWithResources(const RenderObject*, FloatRect
&); | 56 static void intersectPaintInvalidationRectWithResources(const RenderObject*,
FloatRect&); |
57 | 57 |
58 // Determines whether a container needs to be laid out because it's filtered
and a child is being laid out. | 58 // Determines whether a container needs to be laid out because it's filtered
and a child is being laid out. |
59 static bool filtersForceContainerLayout(RenderObject*); | 59 static bool filtersForceContainerLayout(RenderObject*); |
60 | 60 |
61 // Determines whether the passed point lies in a clipping area | 61 // Determines whether the passed point lies in a clipping area |
62 static bool pointInClippingArea(RenderObject*, const FloatPoint&); | 62 static bool pointInClippingArea(RenderObject*, const FloatPoint&); |
63 | 63 |
64 // Transform |pointInParent| to |object|'s user-space and check if it is | 64 // Transform |pointInParent| to |object|'s user-space and check if it is |
65 // within the clipping area. Returns false if the transform is singular or | 65 // within the clipping area. Returns false if the transform is singular or |
66 // the point is outside the clipping area. | 66 // the point is outside the clipping area. |
67 static bool transformToUserSpaceAndCheckClipping(RenderObject*, const Affine
Transform& localTransform, const FloatPoint& pointInParent, FloatPoint& localPoi
nt); | 67 static bool transformToUserSpaceAndCheckClipping(RenderObject*, const Affine
Transform& localTransform, const FloatPoint& pointInParent, FloatPoint& localPoi
nt); |
68 | 68 |
69 static void computeContainerBoundingBoxes(const RenderObject* container, Flo
atRect& objectBoundingBox, bool& objectBoundingBoxValid, FloatRect& strokeBoundi
ngBox, FloatRect& repaintBoundingBox); | 69 static void computeContainerBoundingBoxes(const RenderObject* container, Flo
atRect& objectBoundingBox, bool& objectBoundingBoxValid, FloatRect& strokeBoundi
ngBox, FloatRect& paintInvalidationBoundingBox); |
70 | 70 |
71 static bool paintInfoIntersectsRepaintRect(const FloatRect& localRepaintRect
, const AffineTransform& localTransform, const PaintInfo&); | 71 static bool paintInfoIntersectsPaintInvalidationRect(const FloatRect& localP
aintInvalidationRect, const AffineTransform& localTransform, const PaintInfo&); |
72 | 72 |
73 // Important functions used by nearly all SVG renderers centralizing coordin
ate transformations / repaint rect calculations | 73 // Important functions used by nearly all SVG renderers centralizing coordin
ate transformations / paint invalidation rect calculations |
74 static LayoutRect clippedOverflowRectForRepaint(const RenderObject*, const R
enderLayerModelObject* repaintContainer, const PaintInvalidationState*); | 74 static LayoutRect clippedOverflowRectForPaintInvalidation(const RenderObject
*, const RenderLayerModelObject* paintInvalidationContainer, const PaintInvalida
tionState*); |
75 static void computeFloatRectForRepaint(const RenderObject*, const RenderLaye
rModelObject* repaintContainer, FloatRect&, bool fixed, const PaintInvalidationS
tate*); | 75 static void computeFloatRectForPaintInvalidation(const RenderObject*, const
RenderLayerModelObject* paintInvalidationContainer, FloatRect&, bool fixed, cons
t PaintInvalidationState*); |
76 static void mapLocalToContainer(const RenderObject*, const RenderLayerModelO
bject* repaintContainer, TransformState&, bool* wasFixed = 0, const PaintInvalid
ationState* = 0); | 76 static void mapLocalToContainer(const RenderObject*, const RenderLayerModelO
bject* paintInvalidationContainer, TransformState&, bool* wasFixed = 0, const Pa
intInvalidationState* = 0); |
77 static const RenderObject* pushMappingToContainer(const RenderObject*, const
RenderLayerModelObject* ancestorToStopAt, RenderGeometryMap&); | 77 static const RenderObject* pushMappingToContainer(const RenderObject*, const
RenderLayerModelObject* ancestorToStopAt, RenderGeometryMap&); |
78 | 78 |
79 // Shared between SVG renderers and resources. | 79 // Shared between SVG renderers and resources. |
80 static void applyStrokeStyleToContext(GraphicsContext*, const RenderStyle*,
const RenderObject*); | 80 static void applyStrokeStyleToContext(GraphicsContext*, const RenderStyle*,
const RenderObject*); |
81 static void applyStrokeStyleToStrokeData(StrokeData*, const RenderStyle*, co
nst RenderObject*); | 81 static void applyStrokeStyleToStrokeData(StrokeData*, const RenderStyle*, co
nst RenderObject*); |
82 | 82 |
83 // Determines if any ancestor's transform has changed. | 83 // Determines if any ancestor's transform has changed. |
84 static bool transformToRootChanged(RenderObject*); | 84 static bool transformToRootChanged(RenderObject*); |
85 | 85 |
86 // FIXME: These methods do not belong here. | 86 // FIXME: These methods do not belong here. |
87 static const RenderSVGRoot* findTreeRootObject(const RenderObject*); | 87 static const RenderSVGRoot* findTreeRootObject(const RenderObject*); |
88 | 88 |
89 // Helper method for determining if a RenderObject marked as text (isText()=
= true) | 89 // Helper method for determining if a RenderObject marked as text (isText()=
= true) |
90 // can/will be rendered as part of a <text>. | 90 // can/will be rendered as part of a <text>. |
91 static bool isRenderableTextNode(const RenderObject*); | 91 static bool isRenderableTextNode(const RenderObject*); |
92 | 92 |
93 private: | 93 private: |
94 static void updateObjectBoundingBox(FloatRect& objectBoundingBox, bool& obje
ctBoundingBoxValid, RenderObject* other, FloatRect otherBoundingBox); | 94 static void updateObjectBoundingBox(FloatRect& objectBoundingBox, bool& obje
ctBoundingBoxValid, RenderObject* other, FloatRect otherBoundingBox); |
95 static bool layoutSizeOfNearestViewportChanged(const RenderObject* start); | 95 static bool layoutSizeOfNearestViewportChanged(const RenderObject* start); |
96 }; | 96 }; |
97 | 97 |
98 } // namespace blink | 98 } // namespace blink |
99 | 99 |
100 #endif // SVGRenderSupport_h | 100 #endif // SVGRenderSupport_h |
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