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1 /* | 1 /* |
2 * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved. | 2 * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved. |
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 |
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32 namespace WebCore { | 32 namespace WebCore { |
33 | 33 |
34 SVGTextLayoutAttributesBuilder::SVGTextLayoutAttributesBuilder() | 34 SVGTextLayoutAttributesBuilder::SVGTextLayoutAttributesBuilder() |
35 { | 35 { |
36 } | 36 } |
37 | 37 |
38 void SVGTextLayoutAttributesBuilder::buildLayoutAttributesForTextSubtree(RenderS
VGText* textRoot) | 38 void SVGTextLayoutAttributesBuilder::buildLayoutAttributesForTextSubtree(RenderS
VGText* textRoot) |
39 { | 39 { |
40 ASSERT(textRoot); | 40 ASSERT(textRoot); |
41 | 41 |
42 // Build list of x/y/dx/dy/rotate values for each subtree element that may d
efine these values (tspan/textPath etc). | 42 // We always clear our current attribute as we don't want to keep any stale
ones that could survive DOM modification. |
| 43 Vector<SVGTextLayoutAttributes>& allAttributes = textRoot->layoutAttributes(
); |
| 44 allAttributes.clear(); |
| 45 |
| 46 // Build list of x/y/dx/dy/rotate values for each subtree element that may
define these values (tspan/textPath etc). |
43 unsigned atCharacter = 0; | 47 unsigned atCharacter = 0; |
44 UChar lastCharacter = '\0'; | 48 UChar lastCharacter = '\0'; |
45 collectTextPositioningElements(textRoot, atCharacter, lastCharacter); | 49 collectTextPositioningElements(textRoot, atCharacter, lastCharacter); |
46 | 50 |
47 if (!atCharacter) | 51 if (!atCharacter) |
48 return; | 52 return; |
49 | 53 |
50 // Collect x/y/dx/dy/rotate values for each character, stored in the m_posit
ioningLists.xValues()/etc. lists. | 54 // Collect x/y/dx/dy/rotate values for each character, stored in the m_posit
ioningLists.xValues()/etc. lists. |
51 buildLayoutAttributesForAllCharacters(textRoot, atCharacter); | 55 buildLayoutAttributesForAllCharacters(textRoot, atCharacter); |
52 | 56 |
53 // Propagate layout attributes to each RenderSVGInlineText object, and the w
hole list to the RenderSVGText root. | 57 // Propagate layout attributes to each RenderSVGInlineText object, and the w
hole list to the RenderSVGText root. |
54 Vector<SVGTextLayoutAttributes>& allAttributes = textRoot->layoutAttributes(
); | |
55 allAttributes.clear(); | |
56 atCharacter = 0; | 58 atCharacter = 0; |
57 lastCharacter = '\0'; | 59 lastCharacter = '\0'; |
58 propagateLayoutAttributes(textRoot, allAttributes, atCharacter, lastCharacte
r); | 60 propagateLayoutAttributes(textRoot, allAttributes, atCharacter, lastCharacte
r); |
59 } | 61 } |
60 | 62 |
61 static inline void extractFloatValuesFromSVGLengthList(SVGElement* lengthContext
, const SVGLengthList& list, Vector<float>& floatValues, unsigned textContentLen
gth) | 63 static inline void extractFloatValuesFromSVGLengthList(SVGElement* lengthContext
, const SVGLengthList& list, Vector<float>& floatValues, unsigned textContentLen
gth) |
62 { | 64 { |
63 ASSERT(lengthContext); | 65 ASSERT(lengthContext); |
64 | 66 |
65 unsigned length = list.size(); | 67 unsigned length = list.size(); |
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287 return; | 289 return; |
288 | 290 |
289 float lastValue = values.last(); | 291 float lastValue = values.last(); |
290 for (unsigned i = values.size(); i < position.length; ++i) | 292 for (unsigned i = values.size(); i < position.length; ++i) |
291 m_positioningLists.rotateValues[position.start + i] = lastValue; | 293 m_positioningLists.rotateValues[position.start + i] = lastValue; |
292 } | 294 } |
293 | 295 |
294 } | 296 } |
295 | 297 |
296 #endif // ENABLE(SVG) | 298 #endif // ENABLE(SVG) |
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