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1 // Copyright (c) 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 "ui/gfx/ozone/impl/file_surface_factory_ozone.h" | |
6 | |
7 #include "base/bind.h" | |
8 #include "base/file_util.h" | |
9 #include "base/location.h" | |
10 #include "base/stl_util.h" | |
11 #include "base/threading/worker_pool.h" | |
12 #include "third_party/skia/include/core/SkBitmapDevice.h" | |
13 #include "third_party/skia/include/core/SkDevice.h" | |
14 #include "ui/gfx/codec/png_codec.h" | |
15 | |
16 namespace { | |
17 | |
18 void WriteDataToFile(const base::FilePath& location, | |
19 const SkBitmap& bitmap) { | |
20 std::vector<unsigned char> png_data; | |
21 gfx::PNGCodec::FastEncodeBGRASkBitmap(bitmap, true, &png_data); | |
22 file_util::WriteFile(location, | |
23 (char*)vector_as_array(&png_data), | |
24 png_data.size()); | |
25 } | |
26 | |
27 } | |
28 | |
29 namespace gfx { | |
30 | |
31 FileSurfaceFactoryOzone::FileSurfaceFactoryOzone( | |
32 const base::FilePath& dump_location) | |
33 : location_(dump_location) { | |
34 CHECK(!base::DirectoryExists(location_)) | |
35 << "Location cannot be a directory (" << location_.value() << ")"; | |
36 CHECK(!base::PathExists(location_) || base::PathIsWritable(location_)); | |
37 } | |
38 | |
39 FileSurfaceFactoryOzone::~FileSurfaceFactoryOzone() {} | |
40 | |
41 SurfaceFactoryOzone::HardwareState | |
42 FileSurfaceFactoryOzone::InitializeHardware() { | |
43 return INITIALIZED; | |
44 } | |
45 | |
46 void FileSurfaceFactoryOzone::ShutdownHardware() { | |
47 } | |
48 | |
49 AcceleratedWidget FileSurfaceFactoryOzone::GetAcceleratedWidget() { | |
50 return 1; | |
51 } | |
52 | |
53 AcceleratedWidget FileSurfaceFactoryOzone::RealizeAcceleratedWidget( | |
54 AcceleratedWidget widget) { | |
55 return 1; | |
56 } | |
57 | |
58 bool FileSurfaceFactoryOzone::LoadEGLGLES2Bindings( | |
59 AddGLLibraryCallback add_gl_library, | |
60 SetGLGetProcAddressProcCallback set_gl_get_proc_address) { | |
61 return false; | |
62 } | |
63 | |
64 bool FileSurfaceFactoryOzone::AttemptToResizeAcceleratedWidget( | |
65 AcceleratedWidget widget, | |
66 const Rect& bounds) { | |
67 device_ = skia::AdoptRef(new SkBitmapDevice(SkBitmap::kARGB_8888_Config, | |
68 bounds.width(), | |
69 bounds.height())); | |
70 canvas_ = skia::AdoptRef(new SkCanvas(device_.get())); | |
71 return true; | |
72 } | |
73 | |
74 bool FileSurfaceFactoryOzone::SchedulePageFlip(AcceleratedWidget widget) { | |
75 SkBitmap bitmap; | |
76 bitmap.setConfig(SkBitmap::kARGB_8888_Config, | |
77 device_->width(), | |
78 device_->height()); | |
79 | |
80 if (canvas_->readPixels(&bitmap, 0, 0)) { | |
81 base::WorkerPool::PostTask(FROM_HERE, | |
82 base::Bind(&WriteDataToFile, location_, bitmap), | |
83 true); | |
84 } | |
85 return true; | |
86 } | |
87 | |
88 SkCanvas* FileSurfaceFactoryOzone::GetCanvasForWidget(AcceleratedWidget w) { | |
89 return canvas_.get(); | |
90 } | |
91 | |
92 VSyncProvider* FileSurfaceFactoryOzone::GetVSyncProvider(AcceleratedWidget w) { | |
93 return NULL; | |
94 } | |
95 | |
96 } // namespace gfx | |
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