1 /* 2 * Copyright 2006 The Android Open Source Project 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 9 #ifndef SkStrokerPriv_DEFINED 10 #define SkStrokerPriv_DEFINED 11 12 #include "SkStroke.h" 13 14 #define CWX(x, y) (-y) 15 #define CWY(x, y) (x) 16 #define CCWX(x, y) (y) 17 #define CCWY(x, y) (-x) 18 19 #define CUBIC_ARC_FACTOR ((SK_ScalarSqrt2 - SK_Scalar1) * 4 / 3) 20 21 // this enables a global which is not thread-safe; doing so triggers a TSAN error in Chrome tests. 22 #define QUAD_STROKE_APPROX_EXTENDED_DEBUGGING 0 // set to 1 to enable debugging in StrokerTest.cpp 23 24 class SkStrokerPriv { 25 public: 26 typedef void (*CapProc)(SkPath* path, 27 const SkPoint& pivot, 28 const SkVector& normal, 29 const SkPoint& stop, 30 SkPath* otherPath); 31 32 typedef void (*JoinProc)(SkPath* outer, SkPath* inner, 33 const SkVector& beforeUnitNormal, 34 const SkPoint& pivot, 35 const SkVector& afterUnitNormal, 36 SkScalar radius, SkScalar invMiterLimit, 37 bool prevIsLine, bool currIsLine); 38 39 static CapProc CapFactory(SkPaint::Cap); 40 static JoinProc JoinFactory(SkPaint::Join); 41 }; 42 43 #endif 44
