1 /* libs/graphics/animator/SkDrawSaveLayer.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 "SkDrawSaveLayer.h"
19 #include "SkAnimateMaker.h"
20 #include "SkCanvas.h"
21 #include "SkDrawPaint.h"
22 #include "SkDrawRectangle.h"
23
24 #if SK_USE_CONDENSED_INFO == 0
25
26 const SkMemberInfo SkSaveLayer::fInfo[] = {
27 SK_MEMBER(bounds, Rect),
28 SK_MEMBER(paint, Paint)
29 };
30
31 #endif
32
33 DEFINE_GET_MEMBER(SkSaveLayer);
34
SkSaveLayer()35 SkSaveLayer::SkSaveLayer() : paint(NULL), bounds(NULL) {
36 }
37
~SkSaveLayer()38 SkSaveLayer::~SkSaveLayer(){
39 }
40
draw(SkAnimateMaker & maker)41 bool SkSaveLayer::draw(SkAnimateMaker& maker)
42 {
43 if (!bounds) {
44 return false;
45 }
46 SkPaint* save = maker.fPaint;
47 //paint is an SkDrawPaint
48 if (paint)
49 {
50 SkPaint realPaint;
51 paint->setupPaint(&realPaint);
52 maker.fCanvas->saveLayer(&bounds->fRect, &realPaint, SkCanvas::kHasAlphaLayer_SaveFlag);
53 }
54 else
55 maker.fCanvas->saveLayer(&bounds->fRect, save, SkCanvas::kHasAlphaLayer_SaveFlag);
56 SkPaint local = SkPaint(*maker.fPaint);
57 maker.fPaint = &local;
58 bool result = INHERITED::draw(maker);
59 maker.fPaint = save;
60 maker.fCanvas->restore();
61 return result;
62 }
63
64 #ifdef SK_DUMP_ENABLED
dump(SkAnimateMaker * maker)65 void SkSaveLayer::dump(SkAnimateMaker* maker)
66 {
67 dumpBase(maker);
68 //would dump enabled be defined but not debug?
69 #ifdef SK_DEBUG
70 if (paint)
71 SkDebugf("paint=\"%s\" ", paint->id);
72 if (bounds)
73 SkDebugf("bounds=\"%s\" ", bounds->id);
74 #endif
75 dumpDrawables(maker);
76 }
77 #endif
78
onEndElement(SkAnimateMaker & maker)79 void SkSaveLayer::onEndElement(SkAnimateMaker& maker)
80 {
81 if (!bounds)
82 maker.setErrorCode(SkDisplayXMLParserError::kSaveLayerNeedsBounds);
83 INHERITED::onEndElement(maker);
84 }
85
86
87