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| 1 // Copyright (C) 2013 Google Inc. All rights reserved. | 1 // Copyright (C) 2013 Google Inc. All rights reserved. |
| 2 // | 2 // |
| 3 // Redistribution and use in source and binary forms, with or without | 3 // Redistribution and use in source and binary forms, with or without |
| 4 // modification, are permitted provided that the following conditions are | 4 // modification, are permitted provided that the following conditions are |
| 5 // met: | 5 // met: |
| 6 // | 6 // |
| 7 // * Redistributions of source code must retain the above copyright | 7 // * Redistributions of source code must retain the above copyright |
| 8 // notice, this list of conditions and the following disclaimer. | 8 // notice, this list of conditions and the following disclaimer. |
| 9 // * Redistributions in binary form must reproduce the above | 9 // * Redistributions in binary form must reproduce the above |
| 10 // copyright notice, this list of conditions and the following disclaimer | 10 // copyright notice, this list of conditions and the following disclaimer |
| 11 // in the documentation and/or other materials provided with the | 11 // in the documentation and/or other materials provided with the |
| 12 // distribution. | 12 // distribution. |
| 13 // * Neither the name of Google Inc. nor the names of its | 13 // * Neither the name of Google Inc. nor the names of its |
| 14 // contributors may be used to endorse or promote products derived from | 14 // contributors may be used to endorse or promote products derived from |
| 15 // this software without specific prior written permission. | 15 // this software without specific prior written permission. |
| 16 // | 16 // |
| 17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 18 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 18 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 19 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 19 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 20 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 20 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 21 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 21 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 22 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 22 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 23 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 23 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 24 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 24 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 25 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 25 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 26 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 26 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 27 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 27 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 28 | 28 |
| 29 #include "platform/graphics/StrokeData.h" | 29 #include "platform/graphics/StrokeData.h" |
| 30 #include <memory> |
| 30 #include "platform/graphics/paint/PaintFlags.h" | 31 #include "platform/graphics/paint/PaintFlags.h" |
| 32 #include "platform/wtf/PtrUtil.h" |
| 31 #include "third_party/skia/include/effects/SkDashPathEffect.h" | 33 #include "third_party/skia/include/effects/SkDashPathEffect.h" |
| 32 #include "wtf/PtrUtil.h" | |
| 33 #include <memory> | |
| 34 | 34 |
| 35 namespace blink { | 35 namespace blink { |
| 36 | 36 |
| 37 void StrokeData::setLineDash(const DashArray& dashes, float dashOffset) { | 37 void StrokeData::setLineDash(const DashArray& dashes, float dashOffset) { |
| 38 // FIXME: This is lifted directly off SkiaSupport, lines 49-74 | 38 // FIXME: This is lifted directly off SkiaSupport, lines 49-74 |
| 39 // so it is not guaranteed to work correctly. | 39 // so it is not guaranteed to work correctly. |
| 40 size_t dashLength = dashes.size(); | 40 size_t dashLength = dashes.size(); |
| 41 if (!dashLength) { | 41 if (!dashLength) { |
| 42 // If no dash is set, revert to solid stroke | 42 // If no dash is set, revert to solid stroke |
| 43 // FIXME: do we need to set NoStroke in some cases? | 43 // FIXME: do we need to set NoStroke in some cases? |
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| 128 floorf((strokeLength + gapLength) / (dashLength + gapLength)); | 128 floorf((strokeLength + gapLength) / (dashLength + gapLength)); |
| 129 float maxNumDashes = minNumDashes + 1; | 129 float maxNumDashes = minNumDashes + 1; |
| 130 float minGap = | 130 float minGap = |
| 131 (strokeLength - minNumDashes * dashLength) / (minNumDashes - 1); | 131 (strokeLength - minNumDashes * dashLength) / (minNumDashes - 1); |
| 132 float maxGap = | 132 float maxGap = |
| 133 (strokeLength - maxNumDashes * dashLength) / (maxNumDashes - 1); | 133 (strokeLength - maxNumDashes * dashLength) / (maxNumDashes - 1); |
| 134 return fabs(minGap - gapLength) < fabs(maxGap - gapLength) ? minGap : maxGap; | 134 return fabs(minGap - gapLength) < fabs(maxGap - gapLength) ? minGap : maxGap; |
| 135 } | 135 } |
| 136 | 136 |
| 137 } // namespace blink | 137 } // namespace blink |
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