mirror of https://github.com/axmolengine/axmol.git
74 lines
2.5 KiB
C
74 lines
2.5 KiB
C
|
/*
|
||
|
|
* Copyright (C) 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 Sk2DPathEffect_DEFINED
|
||
|
|
#define Sk2DPathEffect_DEFINED
|
||
|
|
|
||
|
|
#include "SkPathEffect.h"
|
||
|
|
#include "SkMatrix.h"
|
||
|
|
|
||
|
|
// This class is not exported to java.
|
||
|
|
class Sk2DPathEffect : public SkPathEffect {
|
||
|
|
public:
|
||
|
|
Sk2DPathEffect(const SkMatrix& mat);
|
||
|
|
|
||
|
|
// overrides
|
||
|
|
// This method is not exported to java.
|
||
|
|
virtual bool filterPath(SkPath* dst, const SkPath& src, SkScalar* width);
|
||
|
|
|
||
|
|
// overrides from SkFlattenable
|
||
|
|
// This method is not exported to java.
|
||
|
|
virtual void flatten(SkFlattenableWriteBuffer&);
|
||
|
|
|
||
|
|
// This method is not exported to java.
|
||
|
|
virtual Factory getFactory();
|
||
|
|
|
||
|
|
protected:
|
||
|
|
/** New virtual, to be overridden by subclasses.
|
||
|
|
This is called once from filterPath, and provides the
|
||
|
|
uv parameter bounds for the path. Subsequent calls to
|
||
|
|
next() will receive u and v values within these bounds,
|
||
|
|
and then a call to end() will signal the end of processing.
|
||
|
|
*/
|
||
|
|
virtual void begin(const SkIRect& uvBounds, SkPath* dst);
|
||
|
|
virtual void next(const SkPoint& loc, int u, int v, SkPath* dst);
|
||
|
|
virtual void end(SkPath* dst);
|
||
|
|
|
||
|
|
/** Low-level virtual called per span of locations in the u-direction.
|
||
|
|
The default implementation calls next() repeatedly with each
|
||
|
|
location.
|
||
|
|
*/
|
||
|
|
virtual void nextSpan(int u, int v, int ucount, SkPath* dst);
|
||
|
|
|
||
|
|
const SkMatrix& getMatrix() const { return fMatrix; }
|
||
|
|
|
||
|
|
// protected so that subclasses can call this during unflattening
|
||
|
|
Sk2DPathEffect(SkFlattenableReadBuffer&);
|
||
|
|
|
||
|
|
private:
|
||
|
|
SkMatrix fMatrix, fInverse;
|
||
|
|
// illegal
|
||
|
|
Sk2DPathEffect(const Sk2DPathEffect&);
|
||
|
|
Sk2DPathEffect& operator=(const Sk2DPathEffect&);
|
||
|
|
|
||
|
|
static SkFlattenable* CreateProc(SkFlattenableReadBuffer&);
|
||
|
|
|
||
|
|
friend class Sk2DPathEffectBlitter;
|
||
|
|
typedef SkPathEffect INHERITED;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif
|