blob: ff262ac1825db988e25c8dc5e2e789c1d3be74ce [file] [log] [blame]
// Copyright 2016 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/test/frame_generator_util.h"
#include "base/base_paths.h"
#include "base/files/file_util.h"
#include "base/logging.h"
#include "base/path_service.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "third_party/webrtc/modules/desktop_capture/desktop_frame.h"
#include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
#include "ui/gfx/codec/png_codec.h"
namespace {
// dst_stride is int, not size_t, as it may be negative for inverted (in Y)
// images.
void CopyPixelsToBuffer(const SkBitmap& src,
uint8_t* dst_pixels,
int dst_stride) {
const char* src_pixels = static_cast<const char*>(src.getPixels());
size_t src_stride = src.rowBytes();
// Only need to copy the important parts of the row.
size_t bytes_per_row = src.width() * src.bytesPerPixel();
for (int y = 0; y < src.height(); ++y) {
memcpy(dst_pixels, src_pixels, bytes_per_row);
src_pixels += src_stride;
dst_pixels += dst_stride;
}
}
} // namespace
namespace remoting {
namespace test {
std::unique_ptr<webrtc::DesktopFrame> LoadDesktopFrameFromPng(
const char* name) {
base::FilePath file_path;
base::PathService::Get(base::DIR_SOURCE_ROOT, &file_path);
file_path = file_path.AppendASCII("remoting");
file_path = file_path.AppendASCII("test");
file_path = file_path.AppendASCII("data");
file_path = file_path.AppendASCII(name);
std::string file_content;
if (!base::ReadFileToString(file_path, &file_content))
LOG(FATAL) << "Failed to read " << file_path.MaybeAsASCII()
<< ". Please run remoting/test/data/download.sh";
SkBitmap bitmap;
gfx::PNGCodec::Decode(reinterpret_cast<const uint8_t*>(file_content.data()),
file_content.size(), &bitmap);
std::unique_ptr<webrtc::DesktopFrame> frame(new webrtc::BasicDesktopFrame(
webrtc::DesktopSize(bitmap.width(), bitmap.height())));
CopyPixelsToBuffer(bitmap, frame->data(), frame->stride());
return frame;
}
void DrawRect(webrtc::DesktopFrame* frame,
webrtc::DesktopRect rect,
uint32_t color) {
for (int y = rect.top(); y < rect.bottom(); ++y) {
uint32_t* data = reinterpret_cast<uint32_t*>(
frame->GetFrameDataAtPos(webrtc::DesktopVector(rect.left(), y)));
for (int x = 0; x < rect.width(); ++x) {
data[x] = color;
}
}
}
} // namespace test
} // namespace remoting