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#[derive(Debug, Copy, Clone, PartialEq, Eq)] pub struct Pixel { pub a: u8, pub r: u8, pub g: u8, pub b: u8 } impl Pixel { pub fn rgb(r: u8, g: u8, b: u8) -> Self { Pixel { a: 255, r: r, g: g, b: b } } pub fn rgba(r: u8, g: u8, b: u8, a: u8) -> Self { Pixel { a: a, r: r, g: g, b: b } } } impl Default for Pixel { fn default() -> Self { Pixel::rgb(0, 0, 0) } } impl Into<u32> for Pixel { fn into(self) -> u32 { (self.a as u32) << 24 | (self.r as u32) << 16 | (self.g as u32) << 8 | (self.b as u32) } } impl From<u32> for Pixel { fn from(p: u32) -> Self { Pixel { a: (p >> 24) as u8, r: (p >> 16) as u8, g: (p >> 8) as u8, b: p as u8 } } } #[derive(Debug, Copy, Clone)] pub enum PixelMode { Normal, Mask, Alpha, Custom } pub const GREY: Pixel = Pixel { a: 255, r: 192, g: 192, b: 192 }; pub const DARK_GREY: Pixel = Pixel { a: 255, r: 128, g: 128, b: 128 }; pub const VERY_DARK_GREY: Pixel = Pixel { a: 255, r: 64, g: 64, b: 64 }; pub const RED: Pixel = Pixel { a: 255, r: 255, g: 0, b: 0 }; pub const DARK_RED: Pixel = Pixel { a: 255, r: 128, g: 0, b: 0 }; pub const VERY_DARK_RED: Pixel = Pixel { a: 255, r: 64, g: 0, b: 0 }; pub const YELLOW: Pixel = Pixel { a: 255, r: 255, g: 255, b: 0 }; pub const DARK_YELLOW: Pixel = Pixel { a: 255, r: 128, g: 128, b: 0 }; pub const VERY_DARK_YELLOW: Pixel = Pixel { a: 255, r: 64, g: 64, b: 0 }; pub const GREEN: Pixel = Pixel { a: 255, r: 0, g: 255, b: 0 }; pub const DARK_GREEN: Pixel = Pixel { a: 255, r: 0, g: 128, b: 0 }; pub const VERY_DARK_GREEN: Pixel = Pixel { a: 255, r: 0, g: 64, b: 0 }; pub const CYAN: Pixel = Pixel { a: 255, r: 0, g: 255, b: 255 }; pub const DARK_CYAN: Pixel = Pixel { a: 255, r: 0, g: 128, b: 128 }; pub const VERY_DARK_CYAN: Pixel = Pixel { a: 255, r: 0, g: 64, b: 64 }; pub const BLUE: Pixel = Pixel { a: 255, r: 0, g: 0, b: 255 }; pub const DARK_BLUE: Pixel = Pixel { a: 255, r: 0, g: 0, b: 128 }; pub const VERY_DARK_BLUE: Pixel = Pixel { a: 255, r: 0, g: 0, b: 64 }; pub const MAGENTA: Pixel = Pixel { a: 255, r: 255, g: 0, b: 255 }; pub const DARK_MAGENTA: Pixel = Pixel { a: 255, r: 128, g: 0, b: 128 }; pub const VERY_DARK_MAGENTA: Pixel = Pixel { a: 255, r: 64, g: 0, b: 64 }; pub const WHITE: Pixel = Pixel { a: 255, r: 255, g: 255, b: 255 }; pub const BLACK: Pixel = Pixel { a: 255, r: 0, g: 0, b: 0 }; pub const BLANK: Pixel = Pixel { a: 0, r: 0, g: 0, b: 0 };