SkDisplayBounds.cpp revision 03202c9c3dfbf8c4feb0a1ee9b3680817e633f58 
1/* libs/graphics/animator/SkDisplayBounds.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 "SkDisplayBounds.h"
19#include "SkAnimateMaker.h"
20
21#if SK_USE_CONDENSED_INFO == 0
22
23const SkMemberInfo SkDisplayBounds::fInfo[] = {
24    SK_MEMBER_INHERITED,
25    SK_MEMBER(inval, Boolean)
26};
27
28#endif
29
30DEFINE_GET_MEMBER(SkDisplayBounds);
31
32SkDisplayBounds::SkDisplayBounds() : inval(false) {
33}
34
35bool SkDisplayBounds::draw(SkAnimateMaker& maker) {
36    maker.fDisplayList.fUnionBounds = SkToBool(inval);
37    maker.fDisplayList.fDrawBounds = false;
38    fBounds.setEmpty();
39    bool result = INHERITED::draw(maker);
40    maker.fDisplayList.fUnionBounds = false;
41    maker.fDisplayList.fDrawBounds = true;
42    if (inval && fBounds.isEmpty() == false) {
43        SkIRect& rect = maker.fDisplayList.fInvalBounds;
44        maker.fDisplayList.fHasUnion = true;
45        if (rect.isEmpty())
46            rect = fBounds;
47        else
48            rect.join(fBounds);
49    }
50    return result;
51}
52
53
54
55