reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame^] | 1 | /* libs/graphics/animator/SkDrawMatrix.h |
| 2 | ** |
| 3 | ** Copyright 2006, The Android Open Source Project |
| 4 | ** |
| 5 | ** Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | ** you may not use this file except in compliance with the License. |
| 7 | ** You may obtain a copy of the License at |
| 8 | ** |
| 9 | ** http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | ** |
| 11 | ** Unless required by applicable law or agreed to in writing, software |
| 12 | ** distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | ** See the License for the specific language governing permissions and |
| 15 | ** limitations under the License. |
| 16 | */ |
| 17 | |
| 18 | #ifndef SkDrawMatrix_DEFINED |
| 19 | #define SkDrawMatrix_DEFINED |
| 20 | |
| 21 | #include "SkDrawable.h" |
| 22 | #include "SkMatrix.h" |
| 23 | #include "SkMemberInfo.h" |
| 24 | #include "SkIntArray.h" |
| 25 | |
| 26 | class SkMatrixPart; |
| 27 | |
| 28 | class SkDrawMatrix : public SkDrawable { |
| 29 | DECLARE_DRAW_MEMBER_INFO(Matrix); |
| 30 | SkDrawMatrix(); |
| 31 | virtual ~SkDrawMatrix(); |
| 32 | virtual bool add(SkAnimateMaker& , SkDisplayable* child); |
| 33 | virtual bool childrenNeedDisposing() const; |
| 34 | virtual void dirty(); |
| 35 | virtual bool draw(SkAnimateMaker& ); |
| 36 | #ifdef SK_DUMP_ENABLED |
| 37 | virtual void dump(SkAnimateMaker* ); |
| 38 | #endif |
| 39 | SkMatrix& getMatrix(); |
| 40 | virtual bool getProperty(int index, SkScriptValue* value) const; |
| 41 | virtual void initialize(); |
| 42 | virtual void onEndElement(SkAnimateMaker& ); |
| 43 | virtual void setChildHasID(); |
| 44 | virtual bool setProperty(int index, SkScriptValue& ); |
| 45 | |
| 46 | void concat(SkMatrix& inMatrix) { |
| 47 | fConcat.preConcat(inMatrix); |
| 48 | } |
| 49 | |
| 50 | virtual SkDisplayable* deepCopy(SkAnimateMaker* ); |
| 51 | |
| 52 | |
| 53 | void rotate(SkScalar degrees, SkPoint& center) { |
| 54 | fMatrix.preRotate(degrees, center.fX, center.fY); |
| 55 | } |
| 56 | |
| 57 | void set(SkMatrix& src) { |
| 58 | fMatrix.preConcat(src); |
| 59 | } |
| 60 | |
| 61 | void scale(SkScalar scaleX, SkScalar scaleY, SkPoint& center) { |
| 62 | fMatrix.preScale(scaleX, scaleY, center.fX, center.fY); |
| 63 | } |
| 64 | |
| 65 | void skew(SkScalar skewX, SkScalar skewY, SkPoint& center) { |
| 66 | fMatrix.preSkew(skewX, skewY, center.fX, center.fY); |
| 67 | } |
| 68 | |
| 69 | void translate(SkScalar x, SkScalar y) { |
| 70 | fMatrix.preTranslate(x, y); |
| 71 | } |
| 72 | private: |
| 73 | SkTDScalarArray matrix; |
| 74 | SkMatrix fConcat; |
| 75 | SkMatrix fMatrix; |
| 76 | SkTDMatrixPartArray fParts; |
| 77 | SkBool8 fChildHasID; |
| 78 | SkBool8 fDirty; |
| 79 | typedef SkDrawable INHERITED; |
| 80 | }; |
| 81 | |
| 82 | #endif // SkDrawMatrix_DEFINED |