leyoda/softbuffer
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Added better error handling

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This commit is contained in:
David Johnson 2022-01-16 08:59:29 -06:00
parent e4b1917333
commit dc6fc474be
8 changed files with 136 additions and 105 deletions
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30
examples/winit.rs
View file

@ -1,12 +1,12 @@
use softbuffer::GraphicsContext;
use winit::event::{Event, WindowEvent};
use winit::event_loop::{ControlFlow, EventLoop};
use winit::window::WindowBuilder;
use softbuffer::GraphicsContext;
fn main() {
let event_loop = EventLoop::new();
let window = WindowBuilder::new().build(&event_loop).unwrap();
let mut graphics_context = unsafe { GraphicsContext::new(window) };
let mut graphics_context = unsafe { GraphicsContext::new(window) }.unwrap();
event_loop.run(move |event, _, control_flow| {
*control_flow = ControlFlow::Wait;
@ -17,27 +17,29 @@ fn main() {
let size = graphics_context.window().inner_size();
(size.width, size.height)
};
let buffer = (0..((width*height) as usize)).map(|index|{
let y = index / (width as usize);
let x = index % (width as usize);
let red = x % 255;
let green = y % 255;
let blue = (x*y) % 255;
let buffer = (0..((width * height) as usize))
.map(|index| {
let y = index / (width as usize);
let x = index % (width as usize);
let red = x % 255;
let green = y % 255;
let blue = (x * y) % 255;
let color = blue | (green << 8) | (red << 16);
let color = blue | (green << 8) | (red << 16);
color as u32
}).collect::<Vec<_>>();
color as u32
})
.collect::<Vec<_>>();
graphics_context.set_buffer(&buffer, width as u16, height as u16);
}
Event::WindowEvent {
event: WindowEvent::CloseRequested,
window_id
window_id,
} if window_id == graphics_context.window().id() => {
*control_flow = ControlFlow::Exit;
},
}
_ => {}
}
});
}
}

30
examples/winit_wrong_sized_buffer.rs
View file

@ -1,7 +1,7 @@
use softbuffer::GraphicsContext;
use winit::event::{Event, WindowEvent};
use winit::event_loop::{ControlFlow, EventLoop};
use winit::window::WindowBuilder;
use softbuffer::GraphicsContext;
const BUFFER_WIDTH: usize = 256;
const BUFFER_HEIGHT: usize = 128;
@ -9,34 +9,36 @@ const BUFFER_HEIGHT: usize = 128;
fn main() {
let event_loop = EventLoop::new();
let window = WindowBuilder::new().build(&event_loop).unwrap();
let mut graphics_context = unsafe { GraphicsContext::new(window) };
let mut graphics_context = unsafe { GraphicsContext::new(window) }.unwrap();
event_loop.run(move |event, _, control_flow| {
*control_flow = ControlFlow::Wait;
match event {
Event::RedrawRequested(window_id) if window_id == graphics_context.window().id() => {
let buffer = (0..((BUFFER_WIDTH*BUFFER_HEIGHT) as usize)).map(|index|{
let y = index / (BUFFER_WIDTH as usize);
let x = index % (BUFFER_WIDTH as usize);
let red = x % 255;
let green = y % 255;
let blue = (x*y) % 255;
let buffer = (0..((BUFFER_WIDTH * BUFFER_HEIGHT) as usize))
.map(|index| {
let y = index / (BUFFER_WIDTH as usize);
let x = index % (BUFFER_WIDTH as usize);
let red = x % 255;
let green = y % 255;
let blue = (x * y) % 255;
let color = blue | (green << 8) | (red << 16);
let color = blue | (green << 8) | (red << 16);
color as u32
}).collect::<Vec<_>>();
color as u32
})
.collect::<Vec<_>>();
graphics_context.set_buffer(&buffer, BUFFER_WIDTH as u16, BUFFER_HEIGHT as u16);
}
Event::WindowEvent {
event: WindowEvent::CloseRequested,
window_id
window_id,
} if window_id == graphics_context.window().id() => {
*control_flow = ControlFlow::Exit;
},
}
_ => {}
}
});
}
}