C++程序  |  78行  |  2.33 KB

/* libs/graphics/animator/SkDrawPath.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 SkDrawPath_DEFINED
#define SkDrawPath_DEFINED

#include "SkBoundable.h"
#include "SkIntArray.h"
#include "SkMemberInfo.h"
#include "SkPath.h"

class SkDrawPath : public SkBoundable {
    DECLARE_DRAW_MEMBER_INFO(Path);
    SkDrawPath();
    virtual ~SkDrawPath();
    virtual bool add(SkAnimateMaker& , SkDisplayable* child);
    bool childHasID() { return SkToBool(fChildHasID); }
    virtual bool childrenNeedDisposing() const;
    virtual void dirty();
    virtual bool draw(SkAnimateMaker& );
    virtual SkDisplayable* getParent() const;
#ifdef SK_DUMP_ENABLED
    virtual void dump(SkAnimateMaker* );
#endif
    SkPath& getPath();
    virtual bool getProperty(int index, SkScriptValue* value) const;
    virtual bool setProperty(int index, SkScriptValue& value);
    virtual void onEndElement(SkAnimateMaker& );
    virtual void setChildHasID();
    virtual bool setParent(SkDisplayable* parent);
    virtual bool isPath() const { return true; }
public:
    SkPath fPath;
protected:
    void parseSVG();
    SkString d;
    SkTDPathPartArray fParts;
    mutable SkScalar fLength;
    SkDisplayable* fParent; // SkPolyToPoly or SkFromPath, for instance
    SkBool8 fChildHasID;
    SkBool8 fDirty;
private:
    typedef SkBoundable INHERITED;
};

class SkPolyline : public SkDrawPath {
    DECLARE_MEMBER_INFO(Polyline);
    virtual bool add(SkAnimateMaker& , SkDisplayable*) const;
    virtual void onEndElement(SkAnimateMaker& );
protected:
    SkTDScalarArray points;
private:
    typedef SkDrawPath INHERITED;
};

class SkPolygon : public SkPolyline {
    DECLARE_MEMBER_INFO(Polygon);
    virtual void onEndElement(SkAnimateMaker& );
private:
    typedef SkPolyline INHERITED;
};

#endif // SkDrawPath_DEFINED