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| 1 /* | 1 /* |
| 2 * Copyright (C) Research In Motion Limited 2010-2012. All rights reserved. | 2 * Copyright (C) Research In Motion Limited 2010-2012. 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 #include "core/layout/svg/SVGTextQuery.h" | 20 #include "core/layout/svg/SVGTextQuery.h" |
| 21 | 21 |
| 22 #include "core/layout/LayoutBlockFlow.h" | 22 #include "core/layout/LayoutBlockFlow.h" |
| 23 #include "core/layout/LayoutInline.h" | 23 #include "core/layout/LayoutInline.h" |
| 24 #include "core/layout/api/LineLayoutSVGInlineText.h" | 24 #include "core/layout/api/LineLayoutSVGInlineText.h" |
| 25 #include "core/layout/line/InlineFlowBox.h" | 25 #include "core/layout/line/InlineFlowBox.h" |
| 26 #include "core/layout/svg/LayoutSVGInlineText.h" | 26 #include "core/layout/svg/LayoutSVGInlineText.h" |
| 27 #include "core/layout/svg/SVGTextFragment.h" | 27 #include "core/layout/svg/SVGTextFragment.h" |
| 28 #include "core/layout/svg/SVGTextMetrics.h" | 28 #include "core/layout/svg/SVGTextMetrics.h" |
| 29 #include "core/layout/svg/line/SVGInlineTextBox.h" | 29 #include "core/layout/svg/line/SVGInlineTextBox.h" |
| 30 #include "platform/FloatConversion.h" | |
| 31 #include "wtf/MathExtras.h" | 30 #include "wtf/MathExtras.h" |
| 32 #include "wtf/Vector.h" | 31 #include "wtf/Vector.h" |
| 33 #include <algorithm> | 32 #include <algorithm> |
| 34 | 33 |
| 35 namespace blink { | 34 namespace blink { |
| 36 | 35 |
| 37 // Base structure for callback user data | 36 // Base structure for callback user data |
| 38 struct QueryData { | 37 struct QueryData { |
| 39 QueryData() | 38 QueryData() |
| 40 : isVerticalText(false) | 39 : isVerticalText(false) |
| (...skipping 350 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 391 int startPosition = data->position; | 390 int startPosition = data->position; |
| 392 int endPosition = startPosition + 1; | 391 int endPosition = startPosition + 1; |
| 393 if (!mapStartEndPositionsIntoFragmentCoordinates(queryData, fragment, startP
osition, endPosition)) | 392 if (!mapStartEndPositionsIntoFragmentCoordinates(queryData, fragment, startP
osition, endPosition)) |
| 394 return false; | 393 return false; |
| 395 | 394 |
| 396 if (!fragment.isTransformed()) { | 395 if (!fragment.isTransformed()) { |
| 397 data->rotation = 0; | 396 data->rotation = 0; |
| 398 } else { | 397 } else { |
| 399 AffineTransform fragmentTransform = fragment.buildFragmentTransform(SVGT
extFragment::TransformIgnoringTextLength); | 398 AffineTransform fragmentTransform = fragment.buildFragmentTransform(SVGT
extFragment::TransformIgnoringTextLength); |
| 400 fragmentTransform.scale(1 / fragmentTransform.xScale(), 1 / fragmentTran
sform.yScale()); | 399 fragmentTransform.scale(1 / fragmentTransform.xScale(), 1 / fragmentTran
sform.yScale()); |
| 401 data->rotation = narrowPrecisionToFloat(rad2deg(atan2(fragmentTransform.
b(), fragmentTransform.a()))); | 400 data->rotation = clampTo<float>(rad2deg(atan2(fragmentTransform.b(), fra
gmentTransform.a()))); |
| 402 } | 401 } |
| 403 return true; | 402 return true; |
| 404 } | 403 } |
| 405 | 404 |
| 406 float SVGTextQuery::rotationOfCharacter(unsigned position) const | 405 float SVGTextQuery::rotationOfCharacter(unsigned position) const |
| 407 { | 406 { |
| 408 RotationOfCharacterData data(position); | 407 RotationOfCharacterData data(position); |
| 409 logicalQuery(m_queryRootLayoutObject, &data, rotationOfCharacterCallback); | 408 logicalQuery(m_queryRootLayoutObject, &data, rotationOfCharacterCallback); |
| 410 return data.rotation; | 409 return data.rotation; |
| 411 } | 410 } |
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| 574 } | 573 } |
| 575 | 574 |
| 576 int SVGTextQuery::characterNumberAtPosition(const FloatPoint& position) const | 575 int SVGTextQuery::characterNumberAtPosition(const FloatPoint& position) const |
| 577 { | 576 { |
| 578 CharacterNumberAtPositionData data(position); | 577 CharacterNumberAtPositionData data(position); |
| 579 spatialQuery(m_queryRootLayoutObject, &data, characterNumberAtPositionCallba
ck); | 578 spatialQuery(m_queryRootLayoutObject, &data, characterNumberAtPositionCallba
ck); |
| 580 return data.characterNumberWithin(m_queryRootLayoutObject); | 579 return data.characterNumberWithin(m_queryRootLayoutObject); |
| 581 } | 580 } |
| 582 | 581 |
| 583 } // namespace blink | 582 } // namespace blink |
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