[???] Lots of work

Cleanup un-needed elements, simplify memory management

src/graphics/graphics_adapter.rs

@@ -1,18 +1,53 @@
 use std::cell::Ref;
-use std::fmt::Debug;
+use std::fmt::{Debug, Formatter};
+use sdl2::render::{Canvas, WindowCanvas};
+use crate::emu::graphics::{DEVICE_FRAMEBUFFER_SIZE, GraphicsProcessor};
+use crate::graphics::color::Color;
+use crate::misc::emulator_error::EmulatorError;
 use crate::misc::result::EmulatorResult;
 
-pub trait GraphicsAdapter: Debug {
-    fn draw(&self, frame_buf: Ref<Box<[u8; 65536]>>) -> EmulatorResult<()>;
+
+#[derive(Clone)]
+pub struct SDLGraphicsAdapter<'a> {
+    pub graphics_processor: &'a GraphicsProcessor<'a>
 }
 
-#[derive(Debug, Clone)]
-pub struct SDLGraphicsAdapter {
-}
-
-impl GraphicsAdapter for SDLGraphicsAdapter {
-    fn draw(&self, frame_buffer: Ref<Box<[u8; 65536]>>) -> EmulatorResult<()> {
-        todo!()
+impl <'a> Debug for SDLGraphicsAdapter<'a> {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        f.write_str("SDL2 adapter")
+    }
+}
+
+impl <'a> SDLGraphicsAdapter<'a> {
+    pub fn new(graphics_processor: &'a GraphicsProcessor)->SDLGraphicsAdapter<'a>{
+        SDLGraphicsAdapter{
+            graphics_processor
+        }
+    }
+    pub fn draw(&self, canvas:&mut WindowCanvas) -> EmulatorResult<()> {
+        let mut canvas_ref = &canvas;
+        let fb = self.graphics_processor.get_framebuffer();
+        for i in 0..fb.len() {
+            let i = i as u32;
+            let y_coord = i&0xff00;
+            let x_coord = i&0x00ff;
+
+        }
+        let xyc = fb.iter().enumerate().map(|(i,e)| {
+            let i = i as u32;
+            let y_coord = i&0xff00;
+            let x_coord = i&0x00ff;
+            let color = Color::new(*e);
+            (x_coord,y_coord,color)
+        });
+        for (x,y,c) in xyc{
+            canvas.set_draw_color(c.get_rgb());
+            let coordinates = (x as i32,y as i32);
+            let draw_result = canvas.draw_point(coordinates).map_err(|str|EmulatorError::OtherError(str));
+
+            draw_result?;
+        }
+        Ok(())
     }
 }