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/* libs/graphics/sgl/SkStrokerPriv.h
**
** Copyright 2006, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
#ifndef SkStrokerPriv_DEFINED
#define SkStrokerPriv_DEFINED
#include "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)
class SkStrokerPriv {
public:
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);
};
#endif
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