73 lines
No EOL
1.7 KiB
Rust
73 lines
No EOL
1.7 KiB
Rust
use std::os::raw::{c_char, c_uint};
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use raw_window_handle::XlibHandle;
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use x11_dl::xlib::{Display, GC, Visual, Xlib, ZPixmap};
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use crate::GraphicsContextImpl;
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pub struct X11Impl{
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handle: XlibHandle,
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lib: Xlib,
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gc: GC,
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visual: *mut Visual,
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depth: i32
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}
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impl X11Impl {
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pub unsafe fn new(handle: XlibHandle) -> Self{
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let lib = Xlib::open().unwrap();
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let screen = (lib.XDefaultScreen)(handle.display as *mut Display);
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let gc = (lib.XDefaultGC)(handle.display as *mut Display, screen);
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let visual = (lib.XDefaultVisual)(handle.display as *mut Display, screen);
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let depth = (lib.XDefaultDepth)(handle.display as *mut Display, screen);
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Self{
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handle,
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lib,
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gc,
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visual,
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depth
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}
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}
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}
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impl GraphicsContextImpl for X11Impl {
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unsafe fn set_buffer(&mut self, buffer: &[u32], width: u16, height: u16) {
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//create image
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let image = (self.lib.XCreateImage)(
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self.handle.display as *mut Display,
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self.visual,
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self.depth as u32,
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ZPixmap,
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0,
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(buffer.as_ptr()) as *mut c_char,
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width as u32,
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height as u32,
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32,
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(width*4) as i32
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);
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if image.is_null(){
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panic!("Image is null!");
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}
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//push image to window
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(self.lib.XPutImage)(
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self.handle.display as *mut Display,
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self.handle.window,
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self.gc,
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image,
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0,
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0,
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0,
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0,
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width as c_uint,
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height as c_uint
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);
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(*image).data = std::ptr::null_mut();
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(self.lib.XDestroyImage)(image);
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}
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} |