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change resolution, macos needs more tests

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Signed-off-by: fufesou <shuanglongchen@yeah.net>
This commit is contained in:
fufesou
2023-05-24 22:50:53 +08:00
parent 0d11a88dce
commit b36a3f70fb
4 changed files with 22 additions and 15 deletions
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15
src/platform/windows.rs
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@@ -1867,10 +1867,10 @@ pub fn resolutions(name: &str) -> Vec<Resolution> {
}
pub fn current_resolution(name: &str) -> ResultType<Resolution> {
let device_name = str_to_device_name(name);
unsafe {
let mut dm: DEVMODEW = std::mem::zeroed();
dm.dmSize = std::mem::size_of::<DEVMODEW>() as _;
let device_name = str_to_device_name(name);
if EnumDisplaySettingsW(device_name.as_ptr(), ENUM_CURRENT_SETTINGS, &mut dm) == 0 {
bail!(
"failed to get currrent resolution, errno={}",
@@ -1886,21 +1886,10 @@ pub fn current_resolution(name: &str) -> ResultType<Resolution> {
}
}
pub fn change_resolution(name: &str, width: usize, height: usize) -> ResultType<()> {
pub(super) fn change_resolution_directly(name: &str, width: usize, height: usize) -> ResultType<()> {
let device_name = str_to_device_name(name);
unsafe {
let mut dm: DEVMODEW = std::mem::zeroed();
if FALSE == EnumDisplaySettingsW(device_name.as_ptr() as _, ENUM_CURRENT_SETTINGS, &mut dm)
{
bail!("EnumDisplaySettingsW failed, errno={}", GetLastError());
}
// dmPelsWidth and dmPelsHeight is the same to width and height
// Because this process is running in dpi awareness mode.
if dm.dmPelsWidth == width as u32 && dm.dmPelsHeight == height as u32 {
return Ok(());
}
dm.dmPelsWidth = width as _;
dm.dmPelsHeight = height as _;
dm.dmFields = DM_PELSHEIGHT | DM_PELSWIDTH;