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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 | |
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