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module gx
pub const (
blue = Color{
r: 0
g: 0
b: 255
}
red = Color{
r: 255
g: 0
b: 0
}
green = Color{
r: 0
g: 255
b: 0
}
yellow = Color{
r: 255
g: 255
b: 0
}
orange = Color{
r: 255
g: 165
b: 0
}
purple = Color{
r: 128
g: 0
b: 128
}
black = Color{
r: 0
g: 0
b: 0
}
gray = Color{
r: 128
g: 128
b: 128
}
indigo = Color{
r: 75
g: 0
b: 130
}
pink = Color{
r: 255
g: 192
b: 203
}
violet = Color{
r: 238
g: 130
b: 238
}
white = Color{
r: 255
g: 255
b: 255
}
dark_blue = Color{
r: 0
g: 0
b: 139
}
dark_gray = Color{
r: 169
g: 169
b: 169
}
dark_green = Color{
r: 0
g: 100
b: 0
}
dark_red = Color{
r: 139
g: 0
b: 0
}
light_blue = Color{
r: 173
g: 216
b: 230
}
light_gray = Color{
r: 211
g: 211
b: 211
}
light_green = Color{
r: 144
g: 238
b: 144
}
light_red = Color{
r: 255
g: 204
b: 203
}
)
// Color represents a 32 bit color value in sRGB format
pub struct Color {
pub mut:
r byte
g byte
b byte
a byte = 255
}
// hex takes in a 32 bit integer and splits it into 4 byte values
pub fn hex(color int) Color {
return Color{
r: byte((color >> 24) & 0xFF)
g: byte((color >> 16) & 0xFF)
b: byte((color >> 8) & 0xFF)
a: byte(color & 0xFF)
}
}
pub fn rgb(r byte, g byte, b byte) Color {
return Color{
r: r
g: g
b: b
}
}
pub fn rgba(r byte, g byte, b byte, a byte) Color {
return Color{
r: r
g: g
b: b
a: a
}
}
pub fn (c Color) + (c2 Color) Color {
return Color{
r: c.r + c2.r
g: c.g + c2.g
b: c.b + c2.b
a: c.b + c2.a
}
}
pub fn (c Color) - (c2 Color) Color {
return Color{
r: c.r - c2.r
g: c.g - c2.g
b: c.b - c2.b
a: c.b - c2.a
}
}
pub fn (c Color) * (c2 Color) Color {
return Color{
r: c.r * c2.r
g: c.g * c2.g
b: c.b * c2.b
a: c.b * c2.a
}
}
pub fn (c Color) / (c2 Color) Color {
return Color{
r: c.r / c2.r
g: c.g / c2.g
b: c.b / c2.b
a: c.b / c2.a
}
}
pub fn (c Color) eq(c2 Color) bool {
return c.r == c2.r && c.g == c2.g && c.b == c2.b && c.a == c2.a
}
pub fn (c Color) str() string {
return 'Color{$c.r, $c.g, $c.b, $c.a}'
}
// rgba8 - convert a color value to an int in the RGBA8 order.
// see https://developer.apple.com/documentation/coreimage/ciformat
[inline]
pub fn (c Color) rgba8() int {
return (int(c.r) << 24) + (int(c.g) << 16) + (int(c.b) << 8) + int(c.a)
}
// bgra8 - convert a color value to an int in the BGRA8 order.
// see https://developer.apple.com/documentation/coreimage/ciformat
[inline]
pub fn (c Color) bgra8() int {
return (int(c.b) << 24) + (int(c.g) << 16) + (int(c.r) << 8) + int(c.a)
}
// abgr8 - convert a color value to an int in the ABGR8 order.
// see https://developer.apple.com/documentation/coreimage/ciformat
[inline]
pub fn (c Color) abgr8() int {
return (int(c.a) << 24) + (int(c.b) << 16) + (int(c.g) << 8) + int(c.r)
}
const (
string_colors = map{
'blue': blue
'red': red
'green': green
'yellow': yellow
'orange': orange
'purple': purple
'black': black
'gray': gray
'indigo': indigo
'pink': pink
'violet': violet
'white': white
'dark_blue': dark_blue
'dark_gray': dark_gray
'dark_green': dark_green
'dark_red': dark_red
'light_blue': light_blue
'light_gray': light_gray
'light_green': light_green
'light_red': light_red
}
)
pub fn color_from_string(s string) Color {
return gx.string_colors[s]
}
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