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| 1 /* | 1 /* |
| 2 * Copyright (C) 2014 Google Inc. All rights reserved. | 2 * Copyright (C) 2014 Google Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
| 6 * met: | 6 * met: |
| 7 * | 7 * |
| 8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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| 151 if (treatAsSpace(character)) | 151 if (treatAsSpace(character)) |
| 152 return spaceCharacter; | 152 return spaceCharacter; |
| 153 | 153 |
| 154 if (treatAsZeroWidthSpace(character)) | 154 if (treatAsZeroWidthSpace(character)) |
| 155 return zeroWidthSpaceCharacter; | 155 return zeroWidthSpaceCharacter; |
| 156 | 156 |
| 157 return character; | 157 return character; |
| 158 } | 158 } |
| 159 | 159 |
| 160 static inline bool isNormalizedCanvasSpaceCharacter(UChar32 c) { | 160 static inline bool isNormalizedCanvasSpaceCharacter(UChar32 c) { |
| 161 // According to specification all space characters should be replaced with 0
x0020 space character. | 161 // According to specification all space characters should be replaced with |
| 162 // 0x0020 space character. |
| 162 // http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-el
ement.html#text-preparation-algorithm | 163 // http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-el
ement.html#text-preparation-algorithm |
| 163 // The space characters according to specification are : U+0020, U+0009, U+0
00A, U+000C, and U+000D. | 164 // The space characters according to specification are : U+0020, U+0009, |
| 165 // U+000A, U+000C, and U+000D. |
| 164 // http://www.whatwg.org/specs/web-apps/current-work/multipage/common-micros
yntaxes.html#space-character | 166 // http://www.whatwg.org/specs/web-apps/current-work/multipage/common-micros
yntaxes.html#space-character |
| 165 // This function returns true for 0x000B also, so that this is backward comp
atible. | 167 // This function returns true for 0x000B also, so that this is backward |
| 166 // Otherwise, the test LayoutTests/canvas/philip/tests/2d.text.draw.space.co
llapse.space.html will fail | 168 // compatible. Otherwise, the test |
| 169 // LayoutTests/canvas/philip/tests/2d.text.draw.space.collapse.space.html |
| 170 // will fail |
| 167 return c == 0x0009 || (c >= 0x000A && c <= 0x000D); | 171 return c == 0x0009 || (c >= 0x000A && c <= 0x000D); |
| 168 } | 172 } |
| 169 | 173 |
| 170 static String normalizeSpaces(const LChar*, unsigned length); | 174 static String normalizeSpaces(const LChar*, unsigned length); |
| 171 static String normalizeSpaces(const UChar*, unsigned length); | 175 static String normalizeSpaces(const UChar*, unsigned length); |
| 172 | 176 |
| 173 static bool isCommonOrInheritedScript(UChar32); | 177 static bool isCommonOrInheritedScript(UChar32); |
| 174 }; | 178 }; |
| 175 | 179 |
| 176 } // namespace blink | 180 } // namespace blink |
| 177 | 181 |
| 178 #endif | 182 #endif |
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