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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 "ui/gfx/ozone/impl/file_surface_factory.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/SkCanvas.h" | |
13 #include "third_party/skia/include/core/SkSurface.h" | |
14 #include "ui/gfx/codec/png_codec.h" | |
15 #include "ui/gfx/ozone/surface_ozone_canvas.h" | |
16 #include "ui/gfx/skia_util.h" | |
17 #include "ui/gfx/vsync_provider.h" | |
18 | |
19 namespace gfx { | |
20 | |
21 namespace { | |
22 | |
23 void WriteDataToFile(const base::FilePath& location, | |
24 const SkBitmap& bitmap) { | |
25 std::vector<unsigned char> png_data; | |
26 gfx::PNGCodec::FastEncodeBGRASkBitmap(bitmap, true, &png_data); | |
27 base::WriteFile(location, | |
28 reinterpret_cast<const char*>(vector_as_array(&png_data)), | |
29 png_data.size()); | |
30 } | |
31 | |
32 class FileSurface : public SurfaceOzoneCanvas { | |
33 public: | |
34 FileSurface(const base::FilePath& location) : location_(location) {} | |
35 virtual ~FileSurface() {} | |
36 | |
37 // SurfaceOzoneCanvas overrides: | |
38 virtual void ResizeCanvas(const Size& viewport_size) OVERRIDE { | |
39 surface_ = skia::AdoptRef(SkSurface::NewRaster( | |
40 SkImageInfo::MakeN32Premul(viewport_size.width(), | |
41 viewport_size.height()))); | |
42 } | |
43 virtual skia::RefPtr<SkCanvas> GetCanvas() OVERRIDE { | |
44 return skia::SharePtr(surface_->getCanvas()); | |
45 } | |
46 virtual void PresentCanvas(const gfx::Rect& damage) OVERRIDE { | |
47 SkBitmap bitmap; | |
48 bitmap.setInfo(surface_->getCanvas()->imageInfo()); | |
49 | |
50 // TODO(dnicoara) Use SkImage instead to potentially avoid a copy. | |
51 // See crbug.com/361605 for details. | |
52 if (surface_->getCanvas()->readPixels(&bitmap, 0, 0)) { | |
53 base::WorkerPool::PostTask( | |
54 FROM_HERE, base::Bind(&WriteDataToFile, location_, bitmap), true); | |
55 } | |
56 } | |
57 virtual scoped_ptr<gfx::VSyncProvider> CreateVSyncProvider() OVERRIDE { | |
58 return scoped_ptr<gfx::VSyncProvider>(); | |
59 } | |
60 | |
61 private: | |
62 base::FilePath location_; | |
63 skia::RefPtr<SkSurface> surface_; | |
64 }; | |
65 | |
66 } // namespace | |
67 | |
68 FileSurfaceFactory::FileSurfaceFactory( | |
69 const base::FilePath& dump_location) | |
70 : location_(dump_location) { | |
71 CHECK(!base::DirectoryExists(location_)) | |
72 << "Location cannot be a directory (" << location_.value() << ")"; | |
73 CHECK(!base::PathExists(location_) || base::PathIsWritable(location_)); | |
74 } | |
75 | |
76 FileSurfaceFactory::~FileSurfaceFactory() {} | |
77 | |
78 SurfaceFactoryOzone::HardwareState | |
79 FileSurfaceFactory::InitializeHardware() { | |
80 return INITIALIZED; | |
81 } | |
82 | |
83 void FileSurfaceFactory::ShutdownHardware() { | |
84 } | |
85 | |
86 AcceleratedWidget FileSurfaceFactory::GetAcceleratedWidget() { | |
87 return 1; | |
88 } | |
89 | |
90 scoped_ptr<SurfaceOzoneCanvas> FileSurfaceFactory::CreateCanvasForWidget( | |
91 gfx::AcceleratedWidget w) { | |
92 return make_scoped_ptr<SurfaceOzoneCanvas>(new FileSurface(location_)); | |
93 } | |
94 | |
95 bool FileSurfaceFactory::LoadEGLGLES2Bindings( | |
96 AddGLLibraryCallback add_gl_library, | |
97 SetGLGetProcAddressProcCallback set_gl_get_proc_address) { | |
98 return false; | |
99 } | |
100 | |
101 } // namespace gfx | |
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