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1 /* | 1 /* |
2 * Copyright (C) Research In Motion Limited 2010. All rights reserved. | 2 * Copyright (C) Research In Motion Limited 2010. 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 |
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 * Library General Public License for more details. | 12 * Library General Public License for more details. |
13 * | 13 * |
14 * You should have received a copy of the GNU Library General Public License | 14 * You should have received a copy of the GNU Library General Public License |
15 * along with this library; see the file COPYING.LIB. If not, write to | 15 * along with this library; see the file COPYING.LIB. If not, write to |
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
17 * Boston, MA 02110-1301, USA. | 17 * Boston, MA 02110-1301, USA. |
18 */ | 18 */ |
19 | 19 |
20 #ifndef SVGTextLayoutEngineSpacing_h | 20 #ifndef SVGTextLayoutEngineSpacing_h |
21 #define SVGTextLayoutEngineSpacing_h | 21 #define SVGTextLayoutEngineSpacing_h |
22 | 22 |
23 #include "core/rendering/svg/SVGTextMetrics.h" | 23 #include "core/rendering/svg/SVGTextMetrics.h" |
24 | 24 |
25 namespace WebCore { | 25 namespace WebCore { |
26 | 26 |
27 class Font; | 27 class Font; |
28 class SVGRenderStyle; | |
29 class SVGElement; | |
30 | 28 |
31 // Helper class used by SVGTextLayoutEngine to handle 'letter-spacing' and 'word
-spacing'. | 29 // Helper class used by SVGTextLayoutEngine to handle 'letter-spacing' and 'word
-spacing'. |
32 class SVGTextLayoutEngineSpacing { | 30 class SVGTextLayoutEngineSpacing { |
33 WTF_MAKE_NONCOPYABLE(SVGTextLayoutEngineSpacing); | 31 WTF_MAKE_NONCOPYABLE(SVGTextLayoutEngineSpacing); |
34 public: | 32 public: |
35 SVGTextLayoutEngineSpacing(const Font&, float effectiveZoom); | 33 SVGTextLayoutEngineSpacing(const Font&, float effectiveZoom); |
36 | 34 |
37 float calculateSVGKerning(bool isVerticalText, Glyph currentGlyph); | 35 float calculateSVGKerning(bool isVerticalText, Glyph currentGlyph); |
38 float calculateCSSSpacing(UChar currentCharacter); | 36 float calculateCSSSpacing(UChar currentCharacter); |
39 | 37 |
40 private: | 38 private: |
41 const Font& m_font; | 39 const Font& m_font; |
42 UChar m_lastCharacter; | 40 UChar m_lastCharacter; |
43 float m_effectiveZoom; | 41 float m_effectiveZoom; |
44 | 42 |
45 #if ENABLE(SVG_FONTS) | 43 #if ENABLE(SVG_FONTS) |
46 Glyph m_lastGlyph; | 44 Glyph m_lastGlyph; |
47 #endif | 45 #endif |
48 }; | 46 }; |
49 | 47 |
50 } // namespace WebCore | 48 } // namespace WebCore |
51 | 49 |
52 #endif | 50 #endif |
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