acolor 0.0.11

Color representations, operations and conversions.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292

// acolor::color
//
//!
//

use crate::{
    oklab::{Oklab32, Oklch32},
    srgb::{LinearSrgb32, LinearSrgba32, Srgb32, Srgb8, Srgba32, Srgba8},
};
use core::fmt::Debug;

/// Common color trait for all supported color formats.
pub trait Color: Copy + Debug + PartialEq {
    /// The type of the inner color components.
    type Inner;

    /// Returns the red luminosity.
    fn color_red(&self) -> Self::Inner;
    /// Returns the green luminosity.
    fn color_green(&self) -> Self::Inner;
    /// Returns the blue luminosity.
    fn color_blue(&self) -> Self::Inner;
    /// Returns the alpha luminosity.
    fn color_alpha(&self) -> Self::Inner;

    /// Returns the overall luminosity.
    ///
    /// If the color is not in [`Oklab32`] or [`Oklch32`] format,
    /// it will be converted to `Oklab32` for the operation.
    fn color_luminosity(&self) -> Self::Inner;

    /// Returns the hue.
    ///
    /// If the color is not in [`Oklch32`] format
    /// it will be converted to it for the operation.
    fn color_hue(&self) -> Self::Inner;

    /* conversions */

    /// Returns the 3 components, without alpha.
    fn color_to_array3(&self) -> [Self::Inner; 3];
    /// Returns the 4 components, with alpha.
    ///
    /// If the specific color type has no alpha the maximum value is returned.
    fn color_to_array4(&self) -> [Self::Inner; 4];

    /// Conversion to `Srgb8`.
    fn color_to_srgb8(&self) -> Srgb8;
    /// Conversion to `Srgba8`.
    fn color_to_srgba8(&self) -> Srgba8;
    /// Conversion to `Srgb32`.
    fn color_to_srgb32(&self) -> Srgb32;
    /// Conversion to `Srgba32`.
    fn color_to_srgba32(&self) -> Srgba32;
    /// Conversion to `LinearSrgb32`.
    fn color_to_linear_srgb32(&self) -> LinearSrgb32;
    /// Conversion to `LinearSrgba32`.
    fn color_to_linear_srgba32(&self) -> LinearSrgba32;
    /// Conversion to `Oklab32`.
    fn color_to_oklab32(&self) -> Oklab32;
    /// Conversion to `Oklch32`.
    fn color_to_oklch32(&self) -> Oklch32;
}

#[cfg(any(feature = "std", feature = "no_std"))]
#[cfg_attr(
    feature = "nightly",
    doc(cfg(any(feature = "std", feature = "no_std")))
)]
mod impl_color {
    use super::{
        Color, LinearSrgb32, LinearSrgba32, Oklab32, Oklch32, Srgb32, Srgb8, Srgba32, Srgba8,
    };
    use iunorm::Unorm8;

    #[rustfmt::skip]
    impl Color for Srgb8 {
        type Inner = u8;
        fn color_to_array3(&self) -> [Self::Inner; 3] { [self.r, self.g, self.b] }
        fn color_to_array4(&self) -> [Self::Inner; 4] { [self.r, self.g, self.b, u8::MAX] }

        /// Returns the gamma corrected red luminosity.
        fn color_red(&self) -> Self::Inner { self.r }
        /// Returns the gamma corrected green luminosity.
        fn color_green(&self) -> Self::Inner { self.g }
        /// Returns the gamma corrected blue luminosity.
        fn color_blue(&self) -> Self::Inner { self.b }
        /// Returns the maximum opacity alpha.
        fn color_alpha(&self) -> Self::Inner { u8::MAX }
        fn color_luminosity(&self) -> Self::Inner { Unorm8::from_f32(self.to_oklab32().l).0 }
        fn color_hue(&self) -> Self::Inner { Unorm8::from_f32(self.to_oklch32().h).0 }

        /// no-op.
        fn color_to_srgb8(&self) -> Srgb8 { *self }
        fn color_to_srgba8(&self) -> Srgba8 { self.to_srgba8(u8::MAX) }
        fn color_to_srgb32(&self) -> Srgb32 { self.to_srgb32() }
        fn color_to_srgba32(&self) -> Srgba32 { self.to_srgba32(1.) }
        fn color_to_linear_srgb32(&self) -> LinearSrgb32 { self.to_linear_srgb32() }
        fn color_to_linear_srgba32(&self) -> LinearSrgba32 { self.to_linear_srgba32(1.) }
        fn color_to_oklab32(&self) -> Oklab32 { self.to_oklab32() }
        fn color_to_oklch32(&self) -> Oklch32 { self.to_oklch32() }
    }
    #[rustfmt::skip]
    impl Color for Srgba8 {
        type Inner = u8;
        fn color_to_array3(&self) -> [Self::Inner; 3] { [self.r, self.g, self.b] }
        fn color_to_array4(&self) -> [Self::Inner; 4] { [self.r, self.g, self.b, self.a] }

        /// Returns the gamma corrected red luminosity.
        fn color_red(&self) -> Self::Inner { self.r }
        /// Returns the gamma corrected green luminosity.
        fn color_green(&self) -> Self::Inner { self.g }
        /// Returns the gamma corrected blue luminosity.
        fn color_blue(&self) -> Self::Inner { self.b }
        /// Returns the linear alpha.
        fn color_alpha(&self) -> Self::Inner { self.a }
        fn color_luminosity(&self) -> Self::Inner { Unorm8::from_f32(self.to_oklab32().l).0 }
        fn color_hue(&self) -> Self::Inner { Unorm8::from_f32(self.to_oklch32().h).0 }

        fn color_to_srgb8(&self) -> Srgb8 { self.to_srgb8() }
        /// no-op.
        fn color_to_srgba8(&self) -> Srgba8 { *self }
        fn color_to_srgb32(&self) -> Srgb32 { self.to_srgb32() }
        fn color_to_srgba32(&self) -> Srgba32 { self.to_srgba32() }
        fn color_to_linear_srgb32(&self) -> LinearSrgb32 { self.to_linear_srgb32() }
        fn color_to_linear_srgba32(&self) -> LinearSrgba32 { self.to_linear_srgba32() }
        fn color_to_oklab32(&self) -> Oklab32 { self.to_oklab32() }
        fn color_to_oklch32(&self) -> Oklch32 { self.to_oklch32() }
    }
    #[rustfmt::skip]
    impl Color for Srgb32 {
        type Inner = f32;
        fn color_to_array3(&self) -> [Self::Inner; 3] { [self.r, self.g, self.b] }
        fn color_to_array4(&self) -> [Self::Inner; 4] { [self.r, self.g, self.b, 1.] }

        /// Returns the gamma corrected red luminosity.
        fn color_red(&self) -> Self::Inner { self.r }
        /// Returns the gamma corrected green luminosity.
        fn color_green(&self) -> Self::Inner { self.g }
        /// Returns the gamma corrected blue luminosity.
        fn color_blue(&self) -> Self::Inner { self.b }
        /// Returns the maximum opacity alpha.
        fn color_alpha(&self) -> Self::Inner { 1. }
        fn color_luminosity(&self) -> Self::Inner { self.to_oklab32().l }
        fn color_hue(&self) -> Self::Inner { self.to_oklch32().h }

        fn color_to_srgb8(&self) -> Srgb8 { self.to_srgb8() }
        fn color_to_srgba8(&self) -> Srgba8 { self.to_srgba8(u8::MAX) }
        /// no-op.
        fn color_to_srgb32(&self) -> Srgb32 { *self }
        fn color_to_srgba32(&self) -> Srgba32 { self.to_srgba32(1.) }
        fn color_to_linear_srgb32(&self) -> LinearSrgb32 { self.to_linear_srgb32() }
        fn color_to_linear_srgba32(&self) -> LinearSrgba32 { self.to_linear_srgba32(1.) }
        fn color_to_oklab32(&self) -> Oklab32 { self.to_oklab32() }
        fn color_to_oklch32(&self) -> Oklch32 { self.to_oklch32() }
    }
    #[rustfmt::skip]
    impl Color for Srgba32 {
        type Inner = f32;
        fn color_to_array3(&self) -> [Self::Inner; 3] { [self.r, self.g, self.b] }
        fn color_to_array4(&self) -> [Self::Inner; 4] { [self.r, self.g, self.b, self.a] }

        /// Returns the gamma corrected red luminosity.
        fn color_red(&self) -> Self::Inner { self.r }
        /// Returns the gamma corrected green luminosity.
        fn color_green(&self) -> Self::Inner { self.g }
        /// Returns the gamma corrected blue luminosity.
        fn color_blue(&self) -> Self::Inner { self.b }
        /// Returns the linear alpha.
        fn color_alpha(&self) -> Self::Inner { self.a }
        fn color_luminosity(&self) -> Self::Inner { self.to_oklab32().l }
        fn color_hue(&self) -> Self::Inner { self.to_oklch32().h }

        fn color_to_srgb8(&self) -> Srgb8 { self.to_srgb8() }
        fn color_to_srgba8(&self) -> Srgba8 { self.to_srgba8() }
        fn color_to_srgb32(&self) -> Srgb32 { self.to_srgb32() }
        /// no-op.
        fn color_to_srgba32(&self) -> Srgba32 { *self }
        fn color_to_linear_srgb32(&self) -> LinearSrgb32 { self.to_linear_srgb32() }
        fn color_to_linear_srgba32(&self) -> LinearSrgba32 { self.to_linear_srgba32() }
        fn color_to_oklab32(&self) -> Oklab32 { self.to_oklab32() }
        fn color_to_oklch32(&self) -> Oklch32 { self.to_oklch32() }
    }
    #[rustfmt::skip]
    impl Color for LinearSrgb32 {
        type Inner = f32;
        fn color_to_array3(&self) -> [Self::Inner; 3] { [self.r, self.g, self.b] }
        fn color_to_array4(&self) -> [Self::Inner; 4] { [self.r, self.g, self.b, 1.] }

        /// Returns the linear red luminosity.
        fn color_red(&self) -> Self::Inner { self.r }
        /// Returns the linear green luminosity.
        fn color_green(&self) -> Self::Inner { self.g }
        /// Returns the linear blue luminosity.
        fn color_blue(&self) -> Self::Inner { self.b }
        /// Returns the maximum opacity alpha.
        fn color_alpha(&self) -> Self::Inner { 1. }
        fn color_luminosity(&self) -> Self::Inner { self.to_oklab32().l }
        fn color_hue(&self) -> Self::Inner { self.to_oklch32().h }

        fn color_to_srgb8(&self) -> Srgb8 { self.to_srgb8() }
        fn color_to_srgba8(&self) -> Srgba8 { self.to_srgba8(u8::MAX) }
        fn color_to_srgb32(&self) -> Srgb32 { self.to_srgb32() }
        fn color_to_srgba32(&self) -> Srgba32 { self.to_srgba32(1.) }
        /// no-op.
        fn color_to_linear_srgb32(&self) -> LinearSrgb32 { *self }
        fn color_to_linear_srgba32(&self) -> LinearSrgba32 { self.to_linear_srgba32(1.) }
        fn color_to_oklab32(&self) -> Oklab32 { self.to_oklab32() }
        fn color_to_oklch32(&self) -> Oklch32 { self.to_oklch32() }
    }
    #[rustfmt::skip]
    impl Color for LinearSrgba32 {
        type Inner = f32;
        fn color_to_array3(&self) -> [Self::Inner; 3] { [self.r, self.g, self.b] }
        fn color_to_array4(&self) -> [Self::Inner; 4] { [self.r, self.g, self.b, self.a] }

        /// Returns the linear red luminosity.
        fn color_red(&self) -> Self::Inner { self.r }
        /// Returns the linear green luminosity.
        fn color_green(&self) -> Self::Inner { self.g }
        /// Returns the linear blue luminosity.
        fn color_blue(&self) -> Self::Inner { self.b }
        /// Returns the linear alpha.
        fn color_alpha(&self) -> Self::Inner { self.a }
        fn color_luminosity(&self) -> Self::Inner { self.to_oklab32().l }
        fn color_hue(&self) -> Self::Inner { self.to_oklch32().h }

        fn color_to_srgb8(&self) -> Srgb8 { self.to_srgb8() }
        fn color_to_srgba8(&self) -> Srgba8 { self.to_srgba8() }
        fn color_to_srgb32(&self) -> Srgb32 { self.to_srgb32() }
        fn color_to_srgba32(&self) -> Srgba32 { self.to_srgba32() }
        fn color_to_linear_srgb32(&self) -> LinearSrgb32 { self.to_linear_srgb32() }
        /// no-op.
        fn color_to_linear_srgba32(&self) -> LinearSrgba32 { *self }
        fn color_to_oklab32(&self) -> Oklab32 { self.to_oklab32() }
        fn color_to_oklch32(&self) -> Oklch32 { self.to_oklch32() }
    }
    #[rustfmt::skip]
    impl Color for Oklab32 {
        type Inner = f32;
        fn color_to_array3(&self) -> [Self::Inner; 3] { [self.l, self.a, self.b] }
        fn color_to_array4(&self) -> [Self::Inner; 4] { [self.l, self.a, self.b, 1.] }

        /// Returns the linear red luminosity, after converting to [`LinearSrgb32`].
        fn color_red(&self) -> Self::Inner { self.color_to_linear_srgb32().r }
        /// Returns the linear green luminosity, after converting to [`LinearSrgb32`].
        fn color_green(&self) -> Self::Inner { self.color_to_linear_srgb32().g }
        /// Returns the linear blue luminosity, after converting to [`LinearSrgb32`].
        fn color_blue(&self) -> Self::Inner { self.color_to_linear_srgb32().b }
        /// Returns the maximum opacity alpha.
        fn color_alpha(&self) -> Self::Inner { 1. }
        fn color_luminosity(&self) -> Self::Inner { self.l }
        fn color_hue(&self) -> Self::Inner { self.to_oklch32().h }

        fn color_to_srgb8(&self) -> Srgb8 { self.to_srgb8() }
        fn color_to_srgba8(&self) -> Srgba8 { self.to_srgba8(u8::MAX) }
        fn color_to_srgb32(&self) -> Srgb32 { self.to_srgb32() }
        fn color_to_srgba32(&self) -> Srgba32 { self.to_srgba32(1.) }
        fn color_to_linear_srgb32(&self) -> LinearSrgb32 { self.to_linear_srgb32() }
        fn color_to_linear_srgba32(&self) -> LinearSrgba32 { self.to_linear_srgba32(1.) }
        /// no-op.
        fn color_to_oklab32(&self) -> Oklab32 { *self }
        fn color_to_oklch32(&self) -> Oklch32 { self.to_oklch32() }
    }
    #[rustfmt::skip]
    impl Color for Oklch32 {
        type Inner = f32;
        fn color_to_array3(&self) -> [Self::Inner; 3] { [self.l, self.c, self.h] }
        fn color_to_array4(&self) -> [Self::Inner; 4] { [self.l, self.c, self.h, 1.] }

        /// Returns the red luminosity, after converting to [`LinearSrgb32`].
        fn color_red(&self) -> Self::Inner { self.color_to_linear_srgb32().r }
        /// Returns the green luminosity, after converting to [`LinearSrgb32`].
        fn color_green(&self) -> Self::Inner { self.color_to_linear_srgb32().g }
        /// Returns the blue luminosity, after converting to [`LinearSrgb32`].
        fn color_blue(&self) -> Self::Inner { self.color_to_linear_srgb32().b }
        /// Returns the maximum opacity alpha.
        fn color_alpha(&self) -> Self::Inner { 1. }
        fn color_luminosity(&self) -> Self::Inner { self.l }
        fn color_hue(&self) -> Self::Inner { self.h }

        fn color_to_srgb8(&self) -> Srgb8 { self.to_srgb8() }
        fn color_to_srgba8(&self) -> Srgba8 { self.to_srgba8(u8::MAX) }
        fn color_to_srgb32(&self) -> Srgb32 { self.to_srgb32() }
        fn color_to_srgba32(&self) -> Srgba32 { self.to_srgba32(1.) }
        fn color_to_linear_srgb32(&self) -> LinearSrgb32 { self.to_linear_srgb32() }
        fn color_to_linear_srgba32(&self) -> LinearSrgba32 { self.to_linear_srgba32(1.) }
        fn color_to_oklab32(&self) -> Oklab32 { self.to_oklab32() }
        /// no-op.
        fn color_to_oklch32(&self) -> Oklch32 { *self }
    }
}