status_t
ScreenWindow::_WriteVesaModeFile(const screen_mode& mode) const
{
BPath path;
status_t status = find_directory(B_USER_SETTINGS_DIRECTORY, &path, true);
if (status < B_OK)
return status;
path.Append("kernel/drivers");
status = create_directory(path.Path(), 0755);
if (status < B_OK)
return status;
path.Append("vesa");
BFile file;
status = file.SetTo(path.Path(), B_CREATE_FILE | B_WRITE_ONLY | B_ERASE_FILE);
if (status < B_OK)
return status;
char buffer[256];
snprintf(buffer, sizeof(buffer), "mode %ld %ld %ld\n",
mode.width, mode.height, mode.BitsPerPixel());
ssize_t bytesWritten = file.Write(buffer, strlen(buffer));
if (bytesWritten < B_OK)
return bytesWritten;
return B_OK;
}
static void
print_mode(const screen_mode& mode, bool shortOutput)
{
const char* format
= shortOutput ? "%ld %ld %ld %g\n" : "%ld %ld, %ld bits, %g Hz\n";
printf(format, mode.width, mode.height, mode.BitsPerPixel(), mode.refresh);
}
status_t
ScreenMode::Get(screen_mode& mode, int32 workspace) const
{
display_mode displayMode;
BScreen screen(fWindow);
if (workspace == ~0)
workspace = current_workspace();
if (screen.GetMode(workspace, &displayMode) != B_OK)
return B_ERROR;
mode.SetTo(displayMode);
return B_OK;
}
static void
print_mode(const display_mode& displayMode, const screen_mode& mode)
{
const display_timing& timing = displayMode.timing;
printf("%lu %u %u %u %u %u %u %u %u ", timing.pixel_clock / 1000,
timing.h_display, timing.h_sync_start, timing.h_sync_end,
timing.h_total, timing.v_display, timing.v_sync_start,
timing.v_sync_end, timing.v_total);
// TODO: more flags?
if ((timing.flags & B_POSITIVE_HSYNC) != 0)
printf(" +HSync");
if ((timing.flags & B_POSITIVE_VSYNC) != 0)
printf(" +VSync");
if ((timing.flags & B_TIMING_INTERLACED) != 0)
printf(" Interlace");
printf(" %lu\n", mode.BitsPerPixel());
}
