Struct Canvas

Source

pub struct Canvas { /* private fields */ }

Expand description

canvas struct, to draw upon it and once it’s done attach it to the screen

Implementations§

Source §

impl Canvas

Source

pub fn new(width: u8, height: u8, color: PixelColors) -> Option<Canvas>

as the one with screen, canvas is a small screen.

Examples found in repository ?

examples/shapes/main.rs (line 24)

6fn main(){
7    let mut vecan = Vec::new();
8    let mut shape1 = Vec::new();
9    //one way to make a smily face
10    shape1.push(vec![2,2,0,2,2]);
11    shape1.push(vec![2,2,0,2,2]);
12    shape1.push(vec![0,0,0,0,0]);
13    shape1.push(vec![0,0,1,0,0]);
14    shape1.push(vec![8,0,0,0,8]);
15    shape1.push(vec![8,8,8,8,8]);
16    //another
17    let shape2 =square(2,PixelColors::Blue).unwrap() ;
18    let shape3 =line(5,PixelColors::White,false).unwrap();
19    let shape4 =square(1,PixelColors::Red).unwrap();
20    let shape5 =rectangle(9,10,PixelColors::Magenta).unwrap();
21    let shape6 =triangle(9,PixelColors::Magenta).unwrap();
22    let mut vecer = Vec::new();
23    vecer.push(vec![8,0,0,0,8]);
24    let mut canvas1 = Canvas::new(30,30,PixelColors::Black).unwrap(); 
25    let mut screen1 = Screen::new(35,35,PixelColors::Black).unwrap();
26    screen1.attach_pixels(&shape1,1,1).unwrap();
27    let mut screen2 = Screen::new(35,35,PixelColors::Black).unwrap();
28    canvas1.attach(&shape5,8,8).unwrap();
29    canvas1.attach(&shape2,10,10).unwrap();
30    canvas1.attach(&shape2,13,10).unwrap();
31    canvas1.attach(&shape4,12,13).unwrap();
32    canvas1.attach(&vecer,10,14).unwrap();
33    canvas1.attach(&shape3,10,15).unwrap();
34    canvas1.attach(&shape6,16,16).unwrap();
35    screen2.attach(&canvas1,0,0);
36
37    &vecan.push(screen1);
38    &vecan.push(screen2);
39    let mut animation = Animation::new(vecan,15,10);
40    animation.play();
41}

More examples

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examples/simple/main.rs (line 30)

4fn main(){
5    let mut vecan = Vec::new();
6    let mut shape1 = Vec::new();
7    shape1.push(vec![1,1,0,1,1]);
8    shape1.push(vec![1,1,0,1,1]);
9    shape1.push(vec![0,0,0,0,0]);
10    shape1.push(vec![0,0,1,0,0]);
11    shape1.push(vec![1,0,0,0,1]);
12    shape1.push(vec![1,1,1,1,1]);
13    let mut shape2 = Vec::new();
14    shape2.push(vec![1,1,1,1,1]);
15    shape2.push(vec![1,0,0,0,1]);
16    shape2.push(vec![1,0,0,0,1]);
17    shape2.push(vec![1,0,0,0,1]);
18    shape2.push(vec![1,0,0,0,1]);
19    shape2.push(vec![1,1,1,1,1]);
20    let mut shape3 = Vec::new();
21    shape3.push(vec![0,0,0,0,0]);
22    shape3.push(vec![0,0,1,0,0]);
23    shape3.push(vec![0,1,1,1,0]);
24    shape3.push(vec![0,1,1,1,0]);
25    shape3.push(vec![0,0,1,0,0]);
26    shape3.push(vec![0,0,0,0,0]);
27    // this is a rather basic and none usable example, if you would really like to learn how to use
28    // the library you should go to oter examples
29    let mut screen1 = Screen::new(25,25,PixelColors::Green).unwrap();
30    let mut canvas1 = Canvas::new(17,17,PixelColors::Green).unwrap();
31    canvas1.attach(&shape1,1,1).unwrap();
32    canvas1.attach(&shape2,10,10).unwrap();
33    screen1.attach(&canvas1,0,0).unwrap();
34    let mut screen2 = Screen::new(25,25,PixelColors::Green).unwrap();
35    let mut canvas2 = Canvas::new(17,17,PixelColors::Green).unwrap();
36    canvas2.attach(&shape1,1,1).unwrap();
37    canvas2.attach(&shape3,10,10).unwrap();
38    screen2.attach(&canvas2,0,0).unwrap();
39    &vecan.push(screen1);
40    &vecan.push(screen2);
41    let mut animation = Animation::new(vecan,15,10);
42    animation.play();
43
44
45}

Source

pub fn print_canvas(&self)

you should only be able to print a canvas in debug

Source

pub fn attach(&mut self, shape: &Vec<Vec<u8>>, x: u8, y: u8) -> Result<(), &str>

as the one in screen(attach_pixels)

Examples found in repository ?

examples/shapes/main.rs (line 28)

6fn main(){
7    let mut vecan = Vec::new();
8    let mut shape1 = Vec::new();
9    //one way to make a smily face
10    shape1.push(vec![2,2,0,2,2]);
11    shape1.push(vec![2,2,0,2,2]);
12    shape1.push(vec![0,0,0,0,0]);
13    shape1.push(vec![0,0,1,0,0]);
14    shape1.push(vec![8,0,0,0,8]);
15    shape1.push(vec![8,8,8,8,8]);
16    //another
17    let shape2 =square(2,PixelColors::Blue).unwrap() ;
18    let shape3 =line(5,PixelColors::White,false).unwrap();
19    let shape4 =square(1,PixelColors::Red).unwrap();
20    let shape5 =rectangle(9,10,PixelColors::Magenta).unwrap();
21    let shape6 =triangle(9,PixelColors::Magenta).unwrap();
22    let mut vecer = Vec::new();
23    vecer.push(vec![8,0,0,0,8]);
24    let mut canvas1 = Canvas::new(30,30,PixelColors::Black).unwrap(); 
25    let mut screen1 = Screen::new(35,35,PixelColors::Black).unwrap();
26    screen1.attach_pixels(&shape1,1,1).unwrap();
27    let mut screen2 = Screen::new(35,35,PixelColors::Black).unwrap();
28    canvas1.attach(&shape5,8,8).unwrap();
29    canvas1.attach(&shape2,10,10).unwrap();
30    canvas1.attach(&shape2,13,10).unwrap();
31    canvas1.attach(&shape4,12,13).unwrap();
32    canvas1.attach(&vecer,10,14).unwrap();
33    canvas1.attach(&shape3,10,15).unwrap();
34    canvas1.attach(&shape6,16,16).unwrap();
35    screen2.attach(&canvas1,0,0);
36
37    &vecan.push(screen1);
38    &vecan.push(screen2);
39    let mut animation = Animation::new(vecan,15,10);
40    animation.play();
41}

More examples

Hide additional examples

examples/simple/main.rs (line 31)

4fn main(){
5    let mut vecan = Vec::new();
6    let mut shape1 = Vec::new();
7    shape1.push(vec![1,1,0,1,1]);
8    shape1.push(vec![1,1,0,1,1]);
9    shape1.push(vec![0,0,0,0,0]);
10    shape1.push(vec![0,0,1,0,0]);
11    shape1.push(vec![1,0,0,0,1]);
12    shape1.push(vec![1,1,1,1,1]);
13    let mut shape2 = Vec::new();
14    shape2.push(vec![1,1,1,1,1]);
15    shape2.push(vec![1,0,0,0,1]);
16    shape2.push(vec![1,0,0,0,1]);
17    shape2.push(vec![1,0,0,0,1]);
18    shape2.push(vec![1,0,0,0,1]);
19    shape2.push(vec![1,1,1,1,1]);
20    let mut shape3 = Vec::new();
21    shape3.push(vec![0,0,0,0,0]);
22    shape3.push(vec![0,0,1,0,0]);
23    shape3.push(vec![0,1,1,1,0]);
24    shape3.push(vec![0,1,1,1,0]);
25    shape3.push(vec![0,0,1,0,0]);
26    shape3.push(vec![0,0,0,0,0]);
27    // this is a rather basic and none usable example, if you would really like to learn how to use
28    // the library you should go to oter examples
29    let mut screen1 = Screen::new(25,25,PixelColors::Green).unwrap();
30    let mut canvas1 = Canvas::new(17,17,PixelColors::Green).unwrap();
31    canvas1.attach(&shape1,1,1).unwrap();
32    canvas1.attach(&shape2,10,10).unwrap();
33    screen1.attach(&canvas1,0,0).unwrap();
34    let mut screen2 = Screen::new(25,25,PixelColors::Green).unwrap();
35    let mut canvas2 = Canvas::new(17,17,PixelColors::Green).unwrap();
36    canvas2.attach(&shape1,1,1).unwrap();
37    canvas2.attach(&shape3,10,10).unwrap();
38    screen2.attach(&canvas2,0,0).unwrap();
39    &vecan.push(screen1);
40    &vecan.push(screen2);
41    let mut animation = Animation::new(vecan,15,10);
42    animation.play();
43
44
45}