diff --git a/src/graphics_api_impl.rs b/src/graphics_api_impl.rs index 3497640..3a0e760 100644 --- a/src/graphics_api_impl.rs +++ b/src/graphics_api_impl.rs @@ -1,6 +1,7 @@ #![allow(dead_code, unused)] use able_graphics_library::{AglApi, FrameBuffer, Point, HEIGHT, RGBA, WIDTH}; +use mini_gl_fb::glutin::platform::unix::x11::ffi::XK_R10; #[derive(Clone, Debug, Copy)] pub struct GraphicsRenderer { @@ -23,7 +24,25 @@ impl GraphicsRenderer { impl AglApi for GraphicsRenderer { fn put_line(&mut self, coords_start: Point, coords_end: Point, thickness: u32, color: RGBA) { - todo!(); + // Wikipedia's naive line drawing algorithm + let x1 = coords_start.x; + let y1 = coords_start.y; + + let x2 = coords_end.x; + let y2 = coords_end.y; + + let dx = x2 - x1; + let dy = y2 - y1; + + for x in x1..x2 { + let y = y1 + dy * (x - x1) / dx; + + let coordinates = x + (WIDTH as u16) * y; + + self.buff[coordinates as usize] = color; + } + + // todo!(); } fn put_rect(&mut self, coords_start: Point, coords_end: Point, color: RGBA) { todo!(); diff --git a/src/main.rs b/src/main.rs index dbd4d03..e52eeb8 100644 --- a/src/main.rs +++ b/src/main.rs @@ -1,6 +1,10 @@ use able_graphics_library::{AglApi, HEIGHT, WIDTH}; use able_graphics_library::{Point, RGBA}; use graphics_api_impl::GraphicsRenderer; +use mini_gl_fb::{ + config, + glutin::{dpi::LogicalSize, event_loop::EventLoop}, +}; mod graphics_api_impl; extern crate mini_gl_fb; @@ -9,36 +13,73 @@ fn main() { let mut xyz = GraphicsRenderer::new(); // Create the event loop and framebuffer - let (mut event_loop, mut fb) = mini_gl_fb::gotta_go_fast("AGL", WIDTH as f64, HEIGHT as f64); + // mini_gl_fb::gotta_go_fast( ); + + let mut event_loop = EventLoop::new(); + + let mut fb = mini_gl_fb::get_fancy( + config! { + window_title: String::from("AGL"), + window_size: LogicalSize::new(WIDTH as f64, HEIGHT as f64), + buffer_size: Some(LogicalSize::new(WIDTH as u32, HEIGHT as u32)), + resizable: true + }, + &event_loop, + ); // Fill the buffer with something let mut buffer = vec![[0, 0, 0, 0]; WIDTH * HEIGHT]; // Use cool fancy drawing api - xyz.clear(RGBA { - r: 255, - g: 255, - b: 255, - a: 255, - }); + { + xyz.clear(RGBA { + r: 255, + g: 255, + b: 255, + a: 255, + }); - xyz.put_pixel( - Point { x: 34, y: 43 }, + xyz.put_pixel( + Point { x: 34, y: 43 }, + RGBA { + r: 123, + g: 123, + b: 123, + a: 123, + }, + ); + + xyz.put_pixel( + Point { x: 346, y: 199 }, + RGBA { + r: 255, + g: 0, + b: 0, + a: 123, + }, + ); + } + xyz.put_line( + Point { x: 3, y: 30 }, + Point { x: 324, y: 50 }, + 1, RGBA { - r: 123, - g: 123, - b: 123, - a: 123, + r: 0, + g: 0, + b: 0, + a: 0, }, ); - xyz.put_pixel( - Point { x: 346, y: 199 }, + xyz.put_line( + Point { x: 0, y: 0 }, + Point { x: 300, y: 200 }, + 1, RGBA { - r: 255, + r: 0, g: 0, b: 0, - a: 123, + a: 0, }, );