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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2006 The Android Open Source Project | 3 * Copyright 2006 The Android Open Source Project |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 | 9 |
10 #ifndef SkPath_DEFINED | 10 #ifndef SkPath_DEFINED |
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23 #define GEN_ID_PTR_INC(ptr) | 23 #define GEN_ID_PTR_INC(ptr) |
24 #endif | 24 #endif |
25 | 25 |
26 class SkReader32; | 26 class SkReader32; |
27 class SkWriter32; | 27 class SkWriter32; |
28 class SkAutoPathBoundsUpdate; | 28 class SkAutoPathBoundsUpdate; |
29 class SkString; | 29 class SkString; |
30 class SkPathRef; | 30 class SkPathRef; |
31 class SkRRect; | 31 class SkRRect; |
32 | 32 |
33 #ifndef SK_DEBUG_PATH_REF | |
34 #define SK_DEBUG_PATH_REF 0 | |
35 #endif | |
36 | |
37 /** \class SkPath | 33 /** \class SkPath |
38 | 34 |
39 The SkPath class encapsulates compound (multiple contour) geometric paths | 35 The SkPath class encapsulates compound (multiple contour) geometric paths |
40 consisting of straight line segments, quadratic curves, and cubic curves. | 36 consisting of straight line segments, quadratic curves, and cubic curves. |
41 */ | 37 */ |
42 class SK_API SkPath { | 38 class SK_API SkPath { |
43 public: | 39 public: |
44 SK_DECLARE_INST_COUNT_ROOT(SkPath); | 40 SK_DECLARE_INST_COUNT_ROOT(SkPath); |
45 | 41 |
46 SkPath(); | 42 SkPath(); |
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938 private: | 934 private: |
939 enum SerializationOffsets { | 935 enum SerializationOffsets { |
940 kDirection_SerializationShift = 26, // requires 2 bits | 936 kDirection_SerializationShift = 26, // requires 2 bits |
941 kIsFinite_SerializationShift = 25, // requires 1 bit | 937 kIsFinite_SerializationShift = 25, // requires 1 bit |
942 kIsOval_SerializationShift = 24, // requires 1 bit | 938 kIsOval_SerializationShift = 24, // requires 1 bit |
943 kConvexity_SerializationShift = 16, // requires 2 bits | 939 kConvexity_SerializationShift = 16, // requires 2 bits |
944 kFillType_SerializationShift = 8, // requires 2 bits | 940 kFillType_SerializationShift = 8, // requires 2 bits |
945 kSegmentMask_SerializationShift = 0 // requires 4 bits | 941 kSegmentMask_SerializationShift = 0 // requires 4 bits |
946 }; | 942 }; |
947 | 943 |
948 #if SK_DEBUG_PATH_REF | |
949 public: | |
950 /** Debugging wrapper for SkAutoTUnref<SkPathRef> used to track owners (SkPa
ths) | |
951 of SkPathRefs */ | |
952 class PathRefDebugRef { | |
953 public: | |
954 PathRefDebugRef(SkPathRef* pr, SkPath* owner); | |
955 ~PathRefDebugRef(); | |
956 void reset(SkPathRef* ref); | |
957 void swap(PathRefDebugRef* other); | |
958 SkPathRef* get() const; | |
959 SkAutoTUnref<SkPathRef>::BlockRefType *operator->() const; | |
960 operator SkPathRef*(); | |
961 private: | |
962 SkAutoTUnref<SkPathRef> fPathRef; | |
963 SkPath* fOwner; | |
964 }; | |
965 | |
966 private: | |
967 PathRefDebugRef fPathRef; | |
968 #else | |
969 SkAutoTUnref<SkPathRef> fPathRef; | 944 SkAutoTUnref<SkPathRef> fPathRef; |
970 #endif | |
971 | 945 |
972 mutable SkRect fBounds; | 946 mutable SkRect fBounds; |
973 int fLastMoveToIndex; | 947 int fLastMoveToIndex; |
974 uint8_t fFillType; | 948 uint8_t fFillType; |
975 uint8_t fSegmentMask; | 949 uint8_t fSegmentMask; |
976 mutable uint8_t fBoundsIsDirty; | 950 mutable uint8_t fBoundsIsDirty; |
977 mutable uint8_t fConvexity; | 951 mutable uint8_t fConvexity; |
978 mutable uint8_t fDirection; | 952 mutable uint8_t fDirection; |
979 mutable SkBool8 fIsFinite; // only meaningful if bounds are valid | 953 mutable SkBool8 fIsFinite; // only meaningful if bounds are valid |
980 mutable SkBool8 fIsOval; | 954 mutable SkBool8 fIsOval; |
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1029 bool isRectContour(bool allowPartial, int* currVerb, const SkPoint** pts, | 1003 bool isRectContour(bool allowPartial, int* currVerb, const SkPoint** pts, |
1030 bool* isClosed, Direction* direction) const; | 1004 bool* isClosed, Direction* direction) const; |
1031 | 1005 |
1032 friend class SkAutoPathBoundsUpdate; | 1006 friend class SkAutoPathBoundsUpdate; |
1033 friend class SkAutoDisableOvalCheck; | 1007 friend class SkAutoDisableOvalCheck; |
1034 friend class SkAutoDisableDirectionCheck; | 1008 friend class SkAutoDisableDirectionCheck; |
1035 friend class SkBench_AddPathTest; // perf test pathTo/reversePathTo | 1009 friend class SkBench_AddPathTest; // perf test pathTo/reversePathTo |
1036 }; | 1010 }; |
1037 | 1011 |
1038 #endif | 1012 #endif |
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