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// Copyright (c) 2009 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 "base/linux_util.h"
#include <stdlib.h>
#include <vector>
#include "base/command_line.h"
#include "base/process_util.h"
namespace base {
uint8_t* BGRAToRGBA(const uint8_t* pixels, int width, int height, int stride) {
if (stride == 0)
stride = width * 4;
uint8_t* new_pixels = static_cast<uint8_t*>(malloc(height * stride));
// We have to copy the pixels and swap from BGRA to RGBA.
for (int i = 0; i < height; ++i) {
for (int j = 0; j < width; ++j) {
int idx = i * stride + j * 4;
new_pixels[idx] = pixels[idx + 2];
new_pixels[idx + 1] = pixels[idx + 1];
new_pixels[idx + 2] = pixels[idx];
new_pixels[idx + 3] = pixels[idx + 3];
}
}
return new_pixels;
}
// We use this static string to hold the Linux distro info. If we
// crash, the crash handler code will send this in the crash dump.
std::string linux_distro = "Unknown";
std::string GetLinuxDistro() {
static bool checked_distro = false;
if (!checked_distro) {
std::vector<std::string> argv;
argv.push_back("lsb_release");
argv.push_back("-d");
std::string output;
base::GetAppOutput(CommandLine(argv), &output);
if (output.length() > 0) {
// lsb_release -d should return: Description:<tab>Distro Info
static const std::string field = "Description:\t";
if (output.compare(0, field.length(), field) == 0)
linux_distro = output.substr(field.length());
}
// We do this check only once per process. If it fails, there's
// little reason to believe it will work if we attempt to run
// lsb_release again.
checked_distro = true;
}
return linux_distro;
}
bool UseGnomeForSettings() {
// GNOME_DESKTOP_SESSION_ID being defined is a good indication that
// we are probably running under GNOME.
// Note: KDE_FULL_SESSION is a corresponding env var to recognize KDE.
char* desktop_session;
return (getenv("GNOME_DESKTOP_SESSION_ID") ||
((desktop_session = getenv("DESKTOP_SESSION")) &&
std::string(desktop_session) == "gnome"));
}
} // namespace base
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