| OLD | NEW |
| 1 /* | 1 /* |
| 2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 Google Inc. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
| 6 */ | 6 */ |
| 7 | 7 |
| 8 #ifndef GrPathUtils_DEFINED | 8 #ifndef GrPathUtils_DEFINED |
| 9 #define GrPathUtils_DEFINED | 9 #define GrPathUtils_DEFINED |
| 10 | 10 |
| 11 #include "GrPoint.h" | |
| 12 #include "SkRect.h" | 11 #include "SkRect.h" |
| 13 #include "SkPath.h" | 12 #include "SkPath.h" |
| 14 #include "SkTArray.h" | 13 #include "SkTArray.h" |
| 15 | 14 |
| 16 class SkMatrix; | 15 class SkMatrix; |
| 17 | 16 |
| 18 /** | 17 /** |
| 19 * Utilities for evaluating paths. | 18 * Utilities for evaluating paths. |
| 20 */ | 19 */ |
| 21 namespace GrPathUtils { | 20 namespace GrPathUtils { |
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| 164 // K = (klm[0], klm[1], klm[2]) | 163 // K = (klm[0], klm[1], klm[2]) |
| 165 // L = (klm[3], klm[4], klm[5]) | 164 // L = (klm[3], klm[4], klm[5]) |
| 166 // M = (klm[6], klm[7], klm[8]) | 165 // M = (klm[6], klm[7], klm[8]) |
| 167 // | 166 // |
| 168 // Notice that the klm lines are calculated in the same space as the input c
ontrol points. | 167 // Notice that the klm lines are calculated in the same space as the input c
ontrol points. |
| 169 // If you transform the points the lines will also need to be transformed. T
his can be done | 168 // If you transform the points the lines will also need to be transformed. T
his can be done |
| 170 // by mapping the lines with the inverse-transpose of the matrix used to map
the points. | 169 // by mapping the lines with the inverse-transpose of the matrix used to map
the points. |
| 171 void getCubicKLM(const SkPoint p[4], SkScalar klm[9]); | 170 void getCubicKLM(const SkPoint p[4], SkScalar klm[9]); |
| 172 }; | 171 }; |
| 173 #endif | 172 #endif |
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