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1 |
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2 /* |
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3 * Copyright 2009 The Android Open Source Project |
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4 * |
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5 * Use of this source code is governed by a BSD-style license that can be |
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6 * found in the LICENSE file. |
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7 */ |
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8 |
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9 |
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10 #ifndef SkCubicClipper_DEFINED |
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11 #define SkCubicClipper_DEFINED |
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12 |
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13 #include "SkPoint.h" |
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14 #include "SkRect.h" |
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15 |
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16 /** This class is initialized with a clip rectangle, and then can be fed cubics, |
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17 which must already be monotonic in Y. |
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18 |
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19 In the future, it might return a series of segments, allowing it to clip |
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20 also in X, to ensure that all segments fit in a finite coordinate system. |
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21 */ |
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22 class SkCubicClipper { |
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23 public: |
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24 SkCubicClipper(); |
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25 |
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26 void setClip(const SkIRect& clip); |
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27 |
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28 bool clipCubic(const SkPoint src[4], SkPoint dst[4]); |
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29 |
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30 private: |
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31 SkRect fClip; |
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32 }; |
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33 |
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34 #endif // SkCubicClipper_DEFINED |