blob: 22b58c87277db47c5f70d9785ff5e57006bb2a4e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/logging.h"
#include "printing/metafile_skia_wrapper.h"
#include "third_party/skia/include/core/SkCanvas.h"
#include "third_party/skia/include/core/SkDevice.h"
#include "third_party/skia/include/core/SkMetaData.h"
namespace printing {
namespace {
static const char* kMetafileKey = "CrMetafile";
SkMetaData& getMetaData(SkCanvas* canvas) {
DCHECK(canvas != NULL);
SkDevice* device = canvas->getDevice();
DCHECK(device != NULL);
return device->getMetaData();
}
} // namespace
// static
void MetafileSkiaWrapper::SetMetafileOnCanvas(SkCanvas* canvas,
Metafile* metafile) {
MetafileSkiaWrapper* wrapper = NULL;
if (metafile)
wrapper = new MetafileSkiaWrapper(metafile);
SkMetaData& meta = getMetaData(canvas);
meta.setRefCnt(kMetafileKey, wrapper);
SkSafeUnref(wrapper);
}
// static
Metafile* MetafileSkiaWrapper::GetMetafileFromCanvas(SkCanvas* canvas) {
SkMetaData& meta = getMetaData(canvas);
SkRefCnt* value;
if (!meta.findRefCnt(kMetafileKey, &value) || !value)
return NULL;
return static_cast<MetafileSkiaWrapper*>(value)->metafile_;
}
MetafileSkiaWrapper::MetafileSkiaWrapper(Metafile* metafile)
: metafile_(metafile) {
}
} // namespace printing
|
