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// Copyright (c) 2011 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 "remoting/host/capturer_fake_ascii.h"
#include "ui/gfx/rect.h"
namespace remoting {
static const int kWidth = 32;
static const int kHeight = 20;
static const int kBytesPerPixel = 1;
CapturerFakeAscii::CapturerFakeAscii()
: current_buffer_(0),
pixel_format_(media::VideoFrame::ASCII) {
}
CapturerFakeAscii::~CapturerFakeAscii() {
}
void CapturerFakeAscii::ScreenConfigurationChanged() {
width_ = kWidth;
height_ = kHeight;
bytes_per_row_ = width_ * kBytesPerPixel;
pixel_format_ = media::VideoFrame::ASCII;
// Create memory for the buffers.
int buffer_size = height_ * bytes_per_row_;
for (int i = 0; i < kNumBuffers; i++) {
buffers_[i].reset(new uint8[buffer_size]);
}
}
media::VideoFrame::Format CapturerFakeAscii::pixel_format() const {
return pixel_format_;
}
void CapturerFakeAscii::ClearInvalidRegion() {
helper_.ClearInvalidRegion();
}
void CapturerFakeAscii::InvalidateRegion(const SkRegion& invalid_region) {
helper_.InvalidateRegion(invalid_region);
}
void CapturerFakeAscii::InvalidateScreen(const gfx::Size& size) {
helper_.InvalidateScreen(size);
}
void CapturerFakeAscii::InvalidateFullScreen() {
helper_.InvalidateFullScreen();
}
void CapturerFakeAscii::CaptureInvalidRegion(
CaptureCompletedCallback* callback) {
scoped_ptr<CaptureCompletedCallback> callback_deleter(callback);
GenerateImage();
DataPlanes planes;
planes.data[0] = buffers_[current_buffer_].get();
current_buffer_ = (current_buffer_ + 1) % kNumBuffers;
planes.strides[0] = bytes_per_row_;
scoped_refptr<CaptureData> capture_data(new CaptureData(
planes, gfx::Size(width_, height_), pixel_format_));
helper_.set_size_most_recent(capture_data->size());
callback->Run(capture_data);
}
const gfx::Size& CapturerFakeAscii::size_most_recent() const {
return helper_.size_most_recent();
}
void CapturerFakeAscii::GenerateImage() {
for (int y = 0; y < height_; ++y) {
uint8* row = buffers_[current_buffer_].get() + bytes_per_row_ * y;
for (int x = 0; x < bytes_per_row_; ++x) {
if (y == 0 || x == 0 || x == (width_ - 1) || y == (height_ - 1)) {
row[x] = '*';
} else {
row[x] = ' ';
}
}
}
}
} // namespace remoting
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