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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/gfx/ozone/impl/file_surface_factory.h"
#include "base/bind.h"
#include "base/file_util.h"
#include "base/location.h"
#include "base/stl_util.h"
#include "base/threading/worker_pool.h"
#include "third_party/skia/include/core/SkBitmapDevice.h"
#include "third_party/skia/include/core/SkDevice.h"
#include "ui/gfx/codec/png_codec.h"
namespace {
void WriteDataToFile(const base::FilePath& location,
const SkBitmap& bitmap) {
std::vector<unsigned char> png_data;
gfx::PNGCodec::FastEncodeBGRASkBitmap(bitmap, true, &png_data);
file_util::WriteFile(location,
(char*)vector_as_array(&png_data),
png_data.size());
}
}
namespace gfx {
FileSurfaceFactory::FileSurfaceFactory(
const base::FilePath& dump_location)
: location_(dump_location) {
CHECK(!base::DirectoryExists(location_))
<< "Location cannot be a directory (" << location_.value() << ")";
CHECK(!base::PathExists(location_) || base::PathIsWritable(location_));
}
FileSurfaceFactory::~FileSurfaceFactory() {}
SurfaceFactoryOzone::HardwareState
FileSurfaceFactory::InitializeHardware() {
return INITIALIZED;
}
void FileSurfaceFactory::ShutdownHardware() {
}
AcceleratedWidget FileSurfaceFactory::GetAcceleratedWidget() {
return 1;
}
AcceleratedWidget FileSurfaceFactory::RealizeAcceleratedWidget(
AcceleratedWidget widget) {
return 1;
}
bool FileSurfaceFactory::LoadEGLGLES2Bindings(
AddGLLibraryCallback add_gl_library,
SetGLGetProcAddressProcCallback set_gl_get_proc_address) {
return false;
}
bool FileSurfaceFactory::AttemptToResizeAcceleratedWidget(
AcceleratedWidget widget,
const Rect& bounds) {
device_ = skia::AdoptRef(new SkBitmapDevice(SkBitmap::kARGB_8888_Config,
bounds.width(),
bounds.height()));
canvas_ = skia::AdoptRef(new SkCanvas(device_.get()));
return true;
}
bool FileSurfaceFactory::SchedulePageFlip(AcceleratedWidget widget) {
SkBitmap bitmap;
bitmap.setConfig(SkBitmap::kARGB_8888_Config,
device_->width(),
device_->height());
if (canvas_->readPixels(&bitmap, 0, 0)) {
base::WorkerPool::PostTask(FROM_HERE,
base::Bind(&WriteDataToFile, location_, bitmap),
true);
}
return true;
}
SkCanvas* FileSurfaceFactory::GetCanvasForWidget(AcceleratedWidget w) {
return canvas_.get();
}
VSyncProvider* FileSurfaceFactory::GetVSyncProvider(AcceleratedWidget w) {
return NULL;
}
} // namespace gfx
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