hui-shared 0.1.0-alpha.6

internal crate
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

use super::Corners;
use glam::{Vec2, Vec3, Vec4, vec4};

/// Represents the fill color of a rectangle
///
/// Can be a single color or a simple gradient with different colors for each corner
#[derive(Clone, Copy, Debug, PartialEq)]
pub struct FillColor(Corners<Vec4>);

impl FillColor {
  pub const fn new(corners: Corners<Vec4>) -> Self {
    Self(corners)
  }

  /// Transparent background (alpha = 0)
  pub const TRANSPARENT: Self = Self::rgba(0., 0., 0., 0.);

  /// Transparent background (alpha = 0)
  pub const fn transparent() -> Self {
    Self::TRANSPARENT
  }

  /// Check if the fill color is completely transparent
  ///
  /// (i.e. all corners have an alpha value of 0.0)
  pub fn is_transparent(&self) -> bool {
    self.0.top_left.w == 0. &&
    self.0.top_right.w == 0. &&
    self.0.bottom_left.w == 0. &&
    self.0.bottom_right.w == 0.
  }

  /// Check if the fill color is completely opaque
  ///
  /// (i.e. all corners have an alpha value of 1.0)
  pub fn is_opaque(&self) -> bool {
    self.0.top_left.w == 1. &&
    self.0.top_right.w == 1. &&
    self.0.bottom_left.w == 1. &&
    self.0.bottom_right.w == 1.
  }

  /// Construct a solid color fill from values representing the red, green, blue and alpha channels
  pub const fn rgba(r: f32, g: f32, b: f32, a: f32) -> Self {
    Self(Corners {
      top_left: vec4(r, g, b, a),
      top_right: vec4(r, g, b, a),
      bottom_left: vec4(r, g, b, a),
      bottom_right: vec4(r, g, b, a),
    })
  }

  /// Construct a solid color fill from three values representing the red, green and blue channels
  pub const fn rgb(r: f32, g: f32, b: f32) -> Self {
    Self(Corners {
      top_left: vec4(r, g, b, 1.0),
      top_right: vec4(r, g, b, 1.0),
      bottom_left: vec4(r, g, b, 1.0),
      bottom_right: vec4(r, g, b, 1.0),
    })
  }

  /// Construct a solid color fill from colors for each corner
  pub const fn from_corners(corners: Corners<Vec4>) -> Self {
    Self(corners)
  }

  /// Get a list of the colors for each corner
  pub const fn corners(&self) -> Corners<Vec4> {
    self.0
  }

  /// Interpolate color on position, assuming a linear gradient
  pub fn interpolate(&self, uv: Vec2) -> Vec4 {
    let c = self.corners();
    let top = c.top_left.lerp(c.top_right, uv.x);
    let bottom = c.bottom_left.lerp(c.bottom_right, uv.x);
    top.lerp(bottom, uv.y)
  }
}

impl Default for FillColor {
  fn default() -> Self {
    Self(Corners::all(vec4(0.0, 0.0, 0.0, 1.0)))
  }
}

impl From<Corners<Vec4>> for FillColor {
  fn from(corners: Corners<Vec4>) -> Self {
    Self(corners)
  }
}

impl From<FillColor> for Corners<Vec4> {
  fn from(corners: FillColor) -> Self {
    corners.0
  }
}

impl From<Vec4> for FillColor {
  fn from(value: Vec4) -> Self {
    Self(Corners::all(value))
  }
}

impl From<(f32, f32, f32, f32)> for FillColor {
  fn from((r, g, b, a): (f32, f32, f32, f32)) -> Self {
    Self(Corners::all(vec4(r, g, b, a)))
  }
}

impl From<[f32; 4]> for FillColor {
  fn from([r, g, b, a]: [f32; 4]) -> Self {
    Self(Corners::all(vec4(r, g, b, a)))
  }
}

impl From<Vec3> for FillColor {
  fn from(value: Vec3) -> Self {
    Self(Corners::all(vec4(value.x, value.y, value.z, 1.0)))
  }
}

impl From<(f32, f32, f32)> for FillColor {
  fn from((r, g, b): (f32, f32, f32)) -> Self {
    Self(Corners::all(vec4(r, g, b, 1.0)))
  }
}

impl From<[f32; 3]> for FillColor {
  fn from([r, g, b]: [f32; 3]) -> Self {
    Self(Corners::all(vec4(r, g, b, 1.0)))
  }
}

impl From<(Vec4, Vec4, Vec4, Vec4)> for FillColor {
  fn from((top_left, top_right, bottom_left, bottom_right): (Vec4, Vec4, Vec4, Vec4)) -> Self {
    Self(Corners { top_left, top_right, bottom_left, bottom_right })
  }
}

impl From<((f32, f32, f32, f32), (f32, f32, f32, f32), (f32, f32, f32, f32), (f32, f32, f32, f32))> for FillColor {
  fn from(value: ((f32, f32, f32, f32), (f32, f32, f32, f32), (f32, f32, f32, f32), (f32, f32, f32, f32))) -> Self {
    Self(Corners {
      top_left: vec4(value.0.0, value.0.1, value.0.2, value.0.3),
      top_right: vec4(value.1.0, value.1.1, value.1.2, value.1.3),
      bottom_left: vec4(value.2.0, value.2.1, value.2.2, value.2.3),
      bottom_right: vec4(value.3.0, value.3.1, value.3.2, value.3.3),
    })
  }
}

impl From<[[f32; 4]; 4]> for FillColor {
  fn from(value: [[f32; 4]; 4]) -> Self {
    Self(Corners {
      top_left: vec4(value[0][0], value[0][1], value[0][2], value[0][3]),
      top_right: vec4(value[1][0], value[1][1], value[1][2], value[1][3]),
      bottom_left: vec4(value[2][0], value[2][1], value[2][2], value[2][3]),
      bottom_right: vec4(value[3][0], value[3][1], value[3][2], value[3][3]),
    })
  }
}

impl From<Corners<Vec3>> for FillColor {
  fn from(corners: Corners<Vec3>) -> Self {
    Self(Corners {
      top_left: corners.top_left.extend(1.),
      top_right: corners.top_right.extend(1.),
      bottom_left: corners.bottom_left.extend(1.),
      bottom_right: corners.bottom_right.extend(1.),
    })
  }
}

impl From<(Vec3, Vec3, Vec3, Vec3)> for FillColor {
  fn from((top_left, top_right, bottom_left, bottom_right): (Vec3, Vec3, Vec3, Vec3)) -> Self {
    Self(Corners {
      top_left: vec4(top_left.x, top_left.y, top_left.z, 1.0),
      top_right: vec4(top_right.x, top_right.y, top_right.z, 1.0),
      bottom_left: vec4(bottom_left.x, bottom_left.y, bottom_left.z, 1.0),
      bottom_right: vec4(bottom_right.x, bottom_right.y, bottom_right.z, 1.0),
    })
  }
}

impl From<((f32, f32, f32), (f32, f32, f32), (f32, f32, f32), (f32, f32, f32))> for FillColor {
  fn from(value: ((f32, f32, f32), (f32, f32, f32), (f32, f32, f32), (f32, f32, f32))) -> Self {
    Self(Corners {
      top_left: vec4(value.0.0, value.0.1, value.0.2, 1.0),
      top_right: vec4(value.1.0, value.1.1, value.1.2, 1.0),
      bottom_left: vec4(value.2.0, value.2.1, value.2.2, 1.0),
      bottom_right: vec4(value.3.0, value.3.1, value.3.2, 1.0),
    })
  }
}

impl From<[[f32; 3]; 4]> for FillColor {
  fn from(value: [[f32; 3]; 4]) -> Self {
    Self(Corners {
      top_left: vec4(value[0][0], value[0][1], value[0][2], 1.0),
      top_right: vec4(value[1][0], value[1][1], value[1][2], 1.0),
      bottom_left: vec4(value[2][0], value[2][1], value[2][2], 1.0),
      bottom_right: vec4(value[3][0], value[3][1], value[3][2], 1.0),
    })
  }
}