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
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
/*
* Copyright (c) 2013, Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "platform/graphics/UnacceleratedImageBufferSurface.h"
#include "platform/graphics/skia/SkiaUtils.h"
#include "third_party/skia/include/core/SkSurface.h"
#include "wtf/PassRefPtr.h"
class SkCanvas;
namespace blink {
UnacceleratedImageBufferSurface::UnacceleratedImageBufferSurface(
const IntSize& size,
OpacityMode opacityMode,
ImageInitializationMode initializationMode,
sk_sp<SkColorSpace> colorSpace,
SkColorType colorType)
: ImageBufferSurface(size, opacityMode, colorSpace, colorType) {
SkAlphaType alphaType =
(Opaque == opacityMode) ? kOpaque_SkAlphaType : kPremul_SkAlphaType;
SkImageInfo info = SkImageInfo::Make(size.width(), size.height(), colorType,
alphaType, colorSpace);
SkSurfaceProps disableLCDProps(0, kUnknown_SkPixelGeometry);
m_surface =
SkSurface::MakeRaster(info, Opaque == opacityMode ? 0 : &disableLCDProps);
// Always save an initial frame, to support resetting the top level matrix
// and clip.
if (m_surface)
m_surface->getCanvas()->save();
if (initializationMode == InitializeImagePixels) {
if (m_surface)
clear();
}
}
UnacceleratedImageBufferSurface::~UnacceleratedImageBufferSurface() {}
SkCanvas* UnacceleratedImageBufferSurface::canvas() {
return m_surface->getCanvas();
}
bool UnacceleratedImageBufferSurface::isValid() const {
return m_surface;
}
sk_sp<SkImage> UnacceleratedImageBufferSurface::newImageSnapshot(
AccelerationHint,
SnapshotReason) {
return m_surface->makeImageSnapshot();
}
} // namespace blink
|
