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| 1 // Copyright 2014 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/ozone/platform/test/test_window_manager.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/files/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/skia_util.h" | |
| 16 #include "ui/gfx/vsync_provider.h" | |
| 17 #include "ui/ozone/public/surface_ozone_canvas.h" | |
| 18 | |
| 19 namespace ui { | |
| 20 | |
| 21 namespace { | |
| 22 | |
| 23 void WriteDataToFile(const base::FilePath& location, const SkBitmap& bitmap) { | |
| 24 DCHECK(!location.empty()); | |
| 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 gfx::Size& viewport_size) override { | |
| 39 surface_ = skia::AdoptRef(SkSurface::NewRaster(SkImageInfo::MakeN32Premul( | |
| 40 viewport_size.width(), viewport_size.height()))); | |
| 41 } | |
| 42 virtual skia::RefPtr<SkCanvas> GetCanvas() override { | |
| 43 return skia::SharePtr(surface_->getCanvas()); | |
| 44 } | |
| 45 virtual void PresentCanvas(const gfx::Rect& damage) override { | |
| 46 if (location_.empty()) | |
| 47 return; | |
| 48 SkBitmap bitmap; | |
| 49 bitmap.setInfo(surface_->getCanvas()->imageInfo()); | |
| 50 | |
| 51 // TODO(dnicoara) Use SkImage instead to potentially avoid a copy. | |
| 52 // See crbug.com/361605 for details. | |
| 53 if (surface_->getCanvas()->readPixels(&bitmap, 0, 0)) { | |
| 54 base::WorkerPool::PostTask( | |
| 55 FROM_HERE, base::Bind(&WriteDataToFile, location_, bitmap), true); | |
| 56 } | |
| 57 } | |
| 58 virtual scoped_ptr<gfx::VSyncProvider> CreateVSyncProvider() override { | |
| 59 return scoped_ptr<gfx::VSyncProvider>(); | |
| 60 } | |
| 61 | |
| 62 private: | |
| 63 base::FilePath location_; | |
| 64 skia::RefPtr<SkSurface> surface_; | |
| 65 }; | |
| 66 | |
| 67 } // namespace | |
| 68 | |
| 69 TestWindowManager::TestWindowManager(const base::FilePath& dump_location) | |
| 70 : location_(dump_location) { | |
| 71 } | |
| 72 | |
| 73 TestWindowManager::~TestWindowManager() { | |
| 74 } | |
| 75 | |
| 76 void TestWindowManager::Initialize() { | |
| 77 if (location_.empty()) | |
| 78 return; | |
| 79 if (!DirectoryExists(location_) && !base::CreateDirectory(location_) && | |
| 80 location_ != base::FilePath("/dev/null")) | |
| 81 PLOG(FATAL) << "unable to create output directory"; | |
| 82 if (!base::PathIsWritable(location_)) | |
| 83 PLOG(FATAL) << "unable to write to output location"; | |
| 84 } | |
| 85 | |
| 86 int32_t TestWindowManager::AddWindow(TestWindow* window) { | |
| 87 return windows_.Add(window); | |
| 88 } | |
| 89 | |
| 90 void TestWindowManager::RemoveWindow(int32_t window_id, TestWindow* window) { | |
| 91 DCHECK_EQ(window, windows_.Lookup(window_id)); | |
| 92 windows_.Remove(window_id); | |
| 93 } | |
| 94 | |
| 95 base::FilePath TestWindowManager::base_path() const { | |
| 96 return location_; | |
| 97 } | |
| 98 | |
| 99 scoped_ptr<SurfaceOzoneCanvas> TestWindowManager::CreateCanvasForWidget( | |
| 100 gfx::AcceleratedWidget widget) { | |
| 101 TestWindow* window = windows_.Lookup(widget); | |
| 102 DCHECK(window); | |
| 103 return make_scoped_ptr<SurfaceOzoneCanvas>(new FileSurface(window->path())); | |
| 104 } | |
| 105 | |
| 106 bool TestWindowManager::LoadEGLGLES2Bindings( | |
| 107 AddGLLibraryCallback add_gl_library, | |
| 108 SetGLGetProcAddressProcCallback set_gl_get_proc_address) { | |
| 109 return false; | |
| 110 } | |
| 111 | |
| 112 } // namespace ui | |
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