2012-04-19 14:35:52 +08:00
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/* libs/graphics/animator/SkDrawMatrix.h
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**
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** Copyright 2006, The Android Open Source Project
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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#ifndef SkDrawMatrix_DEFINED
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#define SkDrawMatrix_DEFINED
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#include "SkDrawable.h"
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#include "SkMatrix.h"
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#include "SkMemberInfo.h"
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#include "SkIntArray.h"
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class SkMatrixPart;
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class SkDrawMatrix : public SkDrawable {
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DECLARE_DRAW_MEMBER_INFO(Matrix);
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SkDrawMatrix();
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virtual ~SkDrawMatrix();
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virtual bool add(SkAnimateMaker& , SkDisplayable* child);
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virtual bool childrenNeedDisposing() const;
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virtual void dirty();
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virtual bool draw(SkAnimateMaker& );
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#ifdef SK_DUMP_ENABLED
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virtual void dump(SkAnimateMaker* );
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#endif
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SkMatrix& getMatrix();
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virtual bool getProperty(int index, SkScriptValue* value) const;
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virtual void initialize();
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virtual void onEndElement(SkAnimateMaker& );
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virtual void setChildHasID();
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virtual bool setProperty(int index, SkScriptValue& );
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void concat(SkMatrix& inMatrix) {
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fConcat.preConcat(inMatrix);
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}
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virtual SkDisplayable* deepCopy(SkAnimateMaker* );
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void rotate(SkScalar degrees, SkPoint& center) {
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fMatrix.preRotate(degrees, center.fX, center.fY);
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}
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void set(SkMatrix& src) {
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fMatrix.preConcat(src);
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}
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void scale(SkScalar scaleX, SkScalar scaleY, SkPoint& center) {
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fMatrix.preScale(scaleX, scaleY, center.fX, center.fY);
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}
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void skew(SkScalar skewX, SkScalar skewY, SkPoint& center) {
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fMatrix.preSkew(skewX, skewY, center.fX, center.fY);
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}
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void translate(SkScalar x, SkScalar y) {
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fMatrix.preTranslate(x, y);
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}
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private:
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SkTDScalarArray matrix;
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SkMatrix fConcat;
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SkMatrix fMatrix;
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SkTDMatrixPartArray fParts;
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SkBool8 fChildHasID;
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SkBool8 fDirty;
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typedef SkDrawable INHERITED;
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};
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#endif // SkDrawMatrix_DEFINED
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