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1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "cc/software_output_device.h" | |
6 | |
7 #include "base/logging.h" | |
8 #include "cc/software_frame_data.h" | |
9 #include "third_party/skia/include/core/SkCanvas.h" | |
10 #include "third_party/skia/include/core/SkDevice.h" | |
11 | |
12 namespace cc { | |
13 | |
14 SoftwareOutputDevice::SoftwareOutputDevice() {} | |
15 | |
16 SoftwareOutputDevice::~SoftwareOutputDevice() {} | |
17 | |
18 void SoftwareOutputDevice::Resize(const gfx::Size& viewport_size) { | |
19 if (viewport_size_ == viewport_size) | |
20 return; | |
21 | |
22 viewport_size_ = viewport_size; | |
23 device_ = skia::AdoptRef(new SkDevice(SkBitmap::kARGB_8888_Config, | |
24 viewport_size.width(), viewport_size.height(), true)); | |
25 canvas_ = skia::AdoptRef(new SkCanvas(device_.get())); | |
26 } | |
27 | |
28 SkCanvas* SoftwareOutputDevice::BeginPaint(const gfx::Rect& damage_rect) { | |
29 DCHECK(device_); | |
30 damage_rect_ = damage_rect; | |
31 return canvas_.get(); | |
32 } | |
33 | |
34 void SoftwareOutputDevice::EndPaint(SoftwareFrameData* frame_data) { | |
35 DCHECK(device_); | |
36 if (frame_data) { | |
37 frame_data->damage_rect = damage_rect_; | |
38 frame_data->content_dib = TransportDIB::DefaultHandleValue(); | |
39 } | |
40 } | |
41 | |
42 void SoftwareOutputDevice::CopyToBitmap( | |
43 const gfx::Rect& rect, SkBitmap* output) { | |
44 DCHECK(device_); | |
45 SkIRect invertRect = SkIRect::MakeXYWH( | |
46 rect.x(), viewport_size_.height() - rect.bottom(), | |
47 rect.width(), rect.height()); | |
48 const SkBitmap& bitmap = device_->accessBitmap(false); | |
49 bitmap.extractSubset(output, invertRect); | |
50 } | |
51 | |
52 void SoftwareOutputDevice::Scroll( | |
53 const gfx::Vector2d& delta, const gfx::Rect& clip_rect) { | |
54 NOTIMPLEMENTED(); | |
Ken Russell (switch to Gerrit)
2013/03/01 23:17:09
Should there be some way to inform callers that th
| |
55 } | |
56 | |
57 void SoftwareOutputDevice::ReclaimDIB(TransportDIB::Handle handle) { | |
58 NOTIMPLEMENTED(); | |
59 } | |
60 | |
61 } // namespace cc | |
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