axmol/cocos2dx/platform/third_party/qnx/include/grskia/SkCubicClipper.h

42 lines
1.2 KiB
C++

/*
* Copyright (C) 2009 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 SkCubicClipper_DEFINED
#define SkCubicClipper_DEFINED
#include "SkPoint.h"
#include "SkRect.h"
/** This class is initialized with a clip rectangle, and then can be fed cubics,
which must already be monotonic in Y.
In the future, it might return a series of segments, allowing it to clip
also in X, to ensure that all segments fit in a finite coordinate system.
*/
class SkCubicClipper {
public:
SkCubicClipper();
void setClip(const SkIRect& clip);
bool clipCubic(const SkPoint src[4], SkPoint dst[4]);
private:
SkRect fClip;
};
#endif // SkCubicClipper_DEFINED