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Fixed broken scaling

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This commit is contained in:
Daniel Collin 2015-12-11 11:26:00 +01:00
parent 6f47463a2e
commit ef9ac3e88c
1 changed files with 14 additions and 12 deletions
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26
src/windows.rs
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@ -130,6 +130,7 @@ unsafe extern "system" fn wnd_proc(window: winapi::HWND,
match msg { match msg {
winapi::winuser::WM_KEYDOWN => { winapi::winuser::WM_KEYDOWN => {
update_key_state(wnd, (lparam as u32) >> 16, true); update_key_state(wnd, (lparam as u32) >> 16, true);
return 0;
} }
winapi::winuser::WM_CLOSE => { winapi::winuser::WM_CLOSE => {
@ -138,23 +139,18 @@ unsafe extern "system" fn wnd_proc(window: winapi::HWND,
winapi::winuser::WM_KEYUP => { winapi::winuser::WM_KEYUP => {
update_key_state(wnd, (lparam as u32) >> 16, false); update_key_state(wnd, (lparam as u32) >> 16, false);
return 0;
} }
winapi::winuser::WM_PAINT => { winapi::winuser::WM_PAINT => {
let mut rect: winapi::RECT = mem::uninitialized();
user32::GetClientRect(window, &mut rect);
let mut bitmap_info: BitmapInfo = mem::zeroed(); let mut bitmap_info: BitmapInfo = mem::zeroed();
let width = rect.right - rect.left;
let height = rect.bottom - rect.top;
bitmap_info.bmi_header.biSize = mem::size_of::<BITMAPINFOHEADER>() as u32; bitmap_info.bmi_header.biSize = mem::size_of::<BITMAPINFOHEADER>() as u32;
bitmap_info.bmi_header.biPlanes = 1; bitmap_info.bmi_header.biPlanes = 1;
bitmap_info.bmi_header.biBitCount = 32; bitmap_info.bmi_header.biBitCount = 32;
bitmap_info.bmi_header.biCompression = winapi::wingdi::BI_BITFIELDS; bitmap_info.bmi_header.biCompression = winapi::wingdi::BI_BITFIELDS;
bitmap_info.bmi_header.biWidth = width; bitmap_info.bmi_header.biWidth = wnd.width;
bitmap_info.bmi_header.biHeight = -height; bitmap_info.bmi_header.biHeight = -wnd.height;
bitmap_info.bmi_colors[0].rgbRed = 0xff; bitmap_info.bmi_colors[0].rgbRed = 0xff;
bitmap_info.bmi_colors[1].rgbGreen = 0xff; bitmap_info.bmi_colors[1].rgbGreen = 0xff;
bitmap_info.bmi_colors[2].rgbBlue = 0xff; bitmap_info.bmi_colors[2].rgbBlue = 0xff;
@ -162,18 +158,20 @@ unsafe extern "system" fn wnd_proc(window: winapi::HWND,
gdi32::StretchDIBits(wnd.dc.unwrap(), gdi32::StretchDIBits(wnd.dc.unwrap(),
0, 0,
0, 0,
width * wnd.scale_factor, wnd.width * wnd.scale_factor,
height * wnd.scale_factor, wnd.height * wnd.scale_factor,
0, 0,
0, 0,
width, wnd.width,
height, wnd.height,
mem::transmute(wnd.buffer.as_ptr()), mem::transmute(wnd.buffer.as_ptr()),
mem::transmute(&bitmap_info), mem::transmute(&bitmap_info),
winapi::wingdi::DIB_RGB_COLORS, winapi::wingdi::DIB_RGB_COLORS,
winapi::wingdi::SRCCOPY); winapi::wingdi::SRCCOPY);
user32::ValidateRect(window, ptr::null_mut()); user32::ValidateRect(window, ptr::null_mut());
return 0;
} }
_ => (), _ => (),
@ -199,6 +197,8 @@ pub struct Window {
buffer: Vec<u32>, buffer: Vec<u32>,
is_open : bool, is_open : bool,
scale_factor: i32, scale_factor: i32,
width: i32,
height: i32,
} }
impl Window { impl Window {
@ -288,6 +288,8 @@ impl Window {
buffer: Vec::new(), buffer: Vec::new(),
is_open: true, is_open: true,
scale_factor: Self::get_scale_factor(scale), scale_factor: Self::get_scale_factor(scale),
width: width as i32,
height: height as i32,
}; };
Ok(window) Ok(window)