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* Copyright 2006 The Android Open Source Project
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
#ifndef SkStrokerPriv_DEFINED
#define SkStrokerPriv_DEFINED
#include "src/core/SkStroke.h"
#define CWX(x, y) (-y)
#define CWY(x, y) (x)
#define CCWX(x, y) (y)
#define CCWY(x, y) (-x)
#define CUBIC_ARC_FACTOR ((SK_ScalarSqrt2 - SK_Scalar1) * 4 / 3)
// this enables a global which is not thread-safe; doing so triggers a TSAN error in Chrome tests.
#define QUAD_STROKE_APPROX_EXTENDED_DEBUGGING 0 // set to 1 to enable debugging in StrokerTest.cpp
class SkStrokerPriv {
typedef void (*CapProc)(SkPath* path,
const SkPoint& pivot,
const SkVector& normal,
const SkPoint& stop,
SkPath* otherPath);
typedef void (*JoinProc)(SkPath* outer, SkPath* inner,
const SkVector& beforeUnitNormal,
const SkPoint& pivot,
const SkVector& afterUnitNormal,
SkScalar radius, SkScalar invMiterLimit,
bool prevIsLine, bool currIsLine);
static CapProc CapFactory(SkPaint::Cap);
static JoinProc JoinFactory(SkPaint::Join);