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1 /* libs/graphics/animator/SkBoundable.cpp | |
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 #include "SkBoundable.h" | |
19 #include "SkAnimateMaker.h" | |
20 #include "SkCanvas.h" | |
21 | |
22 SkBoundable::SkBoundable() { | |
23 clearBounds(); | |
24 fBounds.fTop = 0; | |
25 fBounds.fRight = 0; | |
26 fBounds.fBottom = 0; | |
27 } | |
28 | |
29 void SkBoundable::clearBounder() { | |
30 fBounds.fLeft = 0x7fff; | |
31 } | |
32 | |
33 void SkBoundable::getBounds(SkRect* rect) { | |
34 SkASSERT(rect); | |
35 if (fBounds.fLeft == (int16_t)0x8000U) { | |
36 INHERITED::getBounds(rect); | |
37 return; | |
38 } | |
39 rect->fLeft = SkIntToScalar(fBounds.fLeft); | |
40 rect->fTop = SkIntToScalar(fBounds.fTop); | |
41 rect->fRight = SkIntToScalar(fBounds.fRight); | |
42 rect->fBottom = SkIntToScalar(fBounds.fBottom); | |
43 } | |
44 | |
45 void SkBoundable::enableBounder() { | |
46 fBounds.fLeft = 0; | |
47 } | |
48 | |
49 | |
50 SkBoundableAuto::SkBoundableAuto(SkBoundable* boundable, | |
51 SkAnimateMaker& maker) : fBoundable(boundable), fMaker(maker) { | |
52 if (fBoundable->hasBounds()) { | |
53 fMaker.fCanvas->setBounder(&maker.fDisplayList); | |
54 fMaker.fDisplayList.fBounds.setEmpty(); | |
55 } | |
56 } | |
57 | |
58 SkBoundableAuto::~SkBoundableAuto() { | |
59 if (fBoundable->hasBounds() == false) | |
60 return; | |
61 fMaker.fCanvas->setBounder(NULL); | |
62 fBoundable->setBounds(fMaker.fDisplayList.fBounds); | |
63 } | |
64 | |
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