| 1 | /* |
| 2 | * Copyright 2019 Google LLC. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #ifndef SkPathTypes_DEFINED |
| 9 | #define SkPathTypes_DEFINED |
| 10 | |
| 11 | #include "include/core/SkTypes.h" |
| 12 | |
| 13 | enum class SkPathFillType { |
| 14 | /** Specifies that "inside" is computed by a non-zero sum of signed edge crossings */ |
| 15 | kWinding, |
| 16 | /** Specifies that "inside" is computed by an odd number of edge crossings */ |
| 17 | kEvenOdd, |
| 18 | /** Same as Winding, but draws outside of the path, rather than inside */ |
| 19 | kInverseWinding, |
| 20 | /** Same as EvenOdd, but draws outside of the path, rather than inside */ |
| 21 | kInverseEvenOdd |
| 22 | }; |
| 23 | |
| 24 | static inline bool SkPathFillType_IsEvenOdd(SkPathFillType ft) { |
| 25 | return (static_cast<int>(ft) & 1) != 0; |
| 26 | } |
| 27 | |
| 28 | static inline bool SkPathFillType_IsInverse(SkPathFillType ft) { |
| 29 | return (static_cast<int>(ft) & 2) != 0; |
| 30 | } |
| 31 | |
| 32 | static inline SkPathFillType SkPathFillType_ConvertToNonInverse(SkPathFillType ft) { |
| 33 | return static_cast<SkPathFillType>(static_cast<int>(ft) & 1); |
| 34 | } |
| 35 | |
| 36 | enum class SkPathConvexityType { |
| 37 | kUnknown, |
| 38 | kConvex, |
| 39 | kConcave |
| 40 | }; |
| 41 | |
| 42 | enum class SkPathDirection { |
| 43 | /** clockwise direction for adding closed contours */ |
| 44 | kCW, |
| 45 | /** counter-clockwise direction for adding closed contours */ |
| 46 | kCCW, |
| 47 | }; |
| 48 | |
| 49 | enum SkPathSegmentMask { |
| 50 | kLine_SkPathSegmentMask = 1 << 0, |
| 51 | kQuad_SkPathSegmentMask = 1 << 1, |
| 52 | kConic_SkPathSegmentMask = 1 << 2, |
| 53 | kCubic_SkPathSegmentMask = 1 << 3, |
| 54 | }; |
| 55 | |
| 56 | enum class SkPathVerb { |
| 57 | kMove, //!< iter.next returns 1 point |
| 58 | kLine, //!< iter.next returns 2 points |
| 59 | kQuad, //!< iter.next returns 3 points |
| 60 | kConic, //!< iter.next returns 3 points + iter.conicWeight() |
| 61 | kCubic, //!< iter.next returns 4 points |
| 62 | kClose, //!< iter.next returns 1 point (contour's moveTo pt) |
| 63 | kDone, //!< iter.next returns 0 points |
| 64 | }; |
| 65 | |
| 66 | #endif |
| 67 | |