37 lines
688 B
Rust
37 lines
688 B
Rust
use color::Color;
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struct Canvas {
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width: usize,
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height: usize,
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pixels: Vec<Vec<Color>>,
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}
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impl Canvas {
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fn new(width: usize, height: usize) -> Canvas {
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Canvas {
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width,
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height,
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pixels : vec![vec![Color::new(0.0, 0.0, 0.0); width]; height],
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}
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn create_canvas() {
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let c = Canvas::new(10, 20);
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assert_eq!(10, c.width);
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assert_eq!(20, c.height);
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let black = Color::new(0.0, 0.0, 0.0);
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for row in c.pixels {
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for pixel in row {
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assert_eq!(black, pixel);
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}
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}
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}
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}
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