2020-05-28 14:21:20 +03:00
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module gx
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pub const (
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blue = Color { r: 0, g: 0, b: 255 }
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red = Color { r: 255, g: 0, b: 0 }
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green = Color { r: 0, g: 255, b: 0 }
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yellow = Color { r: 255, g: 255, b: 0 }
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orange = Color { r: 255, g: 165, b: 0 }
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purple = Color { r: 128, g: 0, b: 128 }
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black = Color { r: 0, g: 0, b: 0 }
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gray = Color { r: 128, g: 128, b: 128 }
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indigo = Color { r: 75, g: 0, b: 130 }
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pink = Color { r: 255, g: 192, b: 203 }
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violet = Color { r: 238, g: 130, b: 238 }
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white = Color { r: 255, g: 255, b: 255 }
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dark_blue = Color { r: 0, g: 0, b: 139 }
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dark_gray = Color { r: 169, g: 169, b: 169 }
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dark_green = Color { r: 0, g: 100, b: 0 }
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dark_red = Color { r: 139, g: 0, b: 0 }
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light_blue = Color { r: 173, g: 216, b: 230 }
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light_gray = Color { r: 211, g: 211, b: 211 }
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light_green = Color { r: 144, g: 238, b: 144 }
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light_red = Color { r: 255, g: 204, b: 203 }
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)
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// Color represents a 32 bit color value in sRGB format
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pub struct Color {
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pub mut:
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r byte
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g byte
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b byte
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a byte = 255
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}
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// hex takes in a 32 bit integer and splits it into 4 byte values
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pub fn hex(color int) Color {
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return Color {
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r: byte((color >> 24) & 0xFF),
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g: byte((color >> 16) & 0xFF),
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b: byte((color >> 8) & 0xFF),
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a: byte((color ) & 0xFF)
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}
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}
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pub fn rgb(r, g, b byte) Color {
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return Color{
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r: r,
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g: g,
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b: b
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}
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}
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pub fn rgba(r, g, b, a byte) Color {
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return Color{
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r: r,
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g: g,
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b: b,
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a: a
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}
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}
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pub fn (c Color) + (c2 Color) Color {
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return Color {
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r: c.r + c2.r,
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g: c.g + c2.g,
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b: c.b + c2.b,
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a: c.b + c2.a
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}
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}
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pub fn (c Color) - (c2 Color) Color {
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return Color {
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r: c.r - c2.r,
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g: c.g - c2.g,
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b: c.b - c2.b,
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a: c.b - c2.a
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}
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}
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pub fn (c Color) * (c2 Color) Color {
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return Color {
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r: c.r * c2.r,
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g: c.g * c2.g,
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b: c.b * c2.b,
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a: c.b * c2.a
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}
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}
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pub fn (c Color) / (c2 Color) Color {
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return Color {
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r: c.r / c2.r,
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g: c.g / c2.g,
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b: c.b / c2.b,
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a: c.b / c2.a
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}
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}
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pub fn (c Color) eq(c2 Color) bool {
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return c.r == c2.r && c.g == c2.g && c.b == c2.b && c.a == c2.a
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}
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pub fn (c Color) str() string {
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return 'Color{$c.r, $c.g, $c.b, $c.a}'
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}
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2020-08-09 04:57:54 +03:00
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const (
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string_colors = {
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'black': black
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2020-08-20 09:30:52 +03:00
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'blue': blue
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2020-08-09 04:57:54 +03:00
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'red': red
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}
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)
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pub fn color_from_string(s string) Color {
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return string_colors[s]
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}
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