leyoda/softbuffer
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Use #![deny(unsafe_op_in_unsafe_fn)]

Browse source
This commit is contained in:
Mads Marquart 2022-12-23 04:19:41 +01:00
parent c9e3652d13
commit 89bd260fd8
7 changed files with 109 additions and 90 deletions
Download patch file Download diff file Expand all files Collapse all files

38
src/win32.rs
View file

@ -46,7 +46,7 @@ impl Win32Impl {
// Get the handle to the device context.
// SAFETY: We have confirmed that the window handle is valid.
let hwnd = handle.hwnd as HWND;
let dc = GetDC(hwnd);
let dc = unsafe { GetDC(hwnd) };
// GetDC returns null if there is a platform error.
if dc == 0 {
@ -61,7 +61,7 @@ impl Win32Impl {
pub(crate) unsafe fn set_buffer(&mut self, buffer: &[u32], width: u16, height: u16) {
// Create a new bitmap info struct.
let mut bitmap_info: BitmapInfo = mem::zeroed();
let mut bitmap_info: BitmapInfo = unsafe { mem::zeroed() };
bitmap_info.bmi_header.biSize = mem::size_of::<BITMAPINFOHEADER>() as u32;
bitmap_info.bmi_header.biPlanes = 1;
@ -77,23 +77,25 @@ impl Win32Impl {
// SAFETY:
// - The bitmap information is valid.
// - The buffer is a valid pointer to image data.
StretchDIBits(
self.dc,
0,
0,
width as c_int,
height as c_int,
0,
0,
width as c_int,
height as c_int,
buffer.as_ptr().cast(),
&bitmap_info as *const BitmapInfo as *const _,
DIB_RGB_COLORS,
SRCCOPY,
);
unsafe {
StretchDIBits(
self.dc,
0,
0,
width as c_int,
height as c_int,
0,
0,
width as c_int,
height as c_int,
buffer.as_ptr().cast(),
&bitmap_info as *const BitmapInfo as *const _,
DIB_RGB_COLORS,
SRCCOPY,
)
};
// Validate the window.
ValidateRect(self.window, std::ptr::null_mut());
unsafe { ValidateRect(self.window, std::ptr::null_mut()) };
}
}