A game framework written with osu! in mind.
keii.dev
1// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
2// See the LICENCE file in the repository root for full licence text.
3
4using osu.Framework.Extensions.Color4Extensions;
5using osu.Framework.Graphics;
6using osu.Framework.Graphics.Colour;
7using osu.Framework.Graphics.Shapes;
8using osu.Framework.Graphics.Sprites;
9using osu.Framework.Testing;
10using osuTK;
11using osuTK.Graphics;
12
13namespace osu.Framework.Tests.Visual.Drawables
14{
15 public class TestSceneColourGradient : GridTestScene
16 {
17 public TestSceneColourGradient()
18 : base(4, 2)
19 {
20 Color4 transparentBlack = new Color4(0, 0, 0, 0);
21
22 ColourInfo[] colours =
23 {
24 new ColourInfo
25 {
26 TopLeft = Color4.Pink.ToLinear(),
27 BottomLeft = Color4.Pink.ToLinear(),
28 TopRight = Color4.SkyBlue.ToLinear(),
29 BottomRight = Color4.SkyBlue.ToLinear(),
30 },
31 new ColourInfo
32 {
33 TopLeft = Color4.Pink,
34 BottomLeft = Color4.Pink,
35 TopRight = Color4.SkyBlue,
36 BottomRight = Color4.SkyBlue,
37 },
38 new ColourInfo
39 {
40 TopLeft = Color4.White.ToLinear(),
41 BottomLeft = Color4.White.ToLinear(),
42 TopRight = Color4.Black.ToLinear(),
43 BottomRight = Color4.Black.ToLinear(),
44 },
45 new ColourInfo
46 {
47 TopLeft = Color4.White,
48 BottomLeft = Color4.White,
49 TopRight = Color4.Black,
50 BottomRight = Color4.Black,
51 },
52 new ColourInfo
53 {
54 TopLeft = Color4.White.ToLinear(),
55 BottomLeft = Color4.White.ToLinear(),
56 TopRight = Color4.Transparent.ToLinear(),
57 BottomRight = Color4.Transparent.ToLinear(),
58 },
59 new ColourInfo
60 {
61 TopLeft = Color4.White,
62 BottomLeft = Color4.White,
63 TopRight = Color4.Transparent,
64 BottomRight = Color4.Transparent,
65 },
66 new ColourInfo
67 {
68 TopLeft = Color4.White.ToLinear(),
69 BottomLeft = Color4.White.ToLinear(),
70 TopRight = transparentBlack.ToLinear(),
71 BottomRight = transparentBlack.ToLinear(),
72 },
73 new ColourInfo
74 {
75 TopLeft = Color4.White,
76 BottomLeft = Color4.White,
77 TopRight = transparentBlack,
78 BottomRight = transparentBlack,
79 },
80 };
81
82 string[] labels =
83 {
84 "Colours (Linear)",
85 "Colours (sRGB)",
86 "White to black (Linear brightness gradient)",
87 "White to black (sRGB brightness gradient)",
88 "White to transparent white (Linear brightness gradient)",
89 "White to transparent white (sRGB brightness gradient)",
90 "White to transparent black (Linear brightness gradient)",
91 "White to transparent black (sRGB brightness gradient)",
92 };
93
94 for (int i = 0; i < Rows * Cols; ++i)
95 {
96 Cell(i).AddRange(new Drawable[]
97 {
98 new SpriteText
99 {
100 Text = labels[i],
101 Font = new FontUsage(size: 20),
102 },
103 new Box
104 {
105 RelativeSizeAxes = Axes.Both,
106 Anchor = Anchor.Centre,
107 Origin = Anchor.Centre,
108 Size = new Vector2(0.5f),
109 Colour = colours[i],
110 },
111 });
112 }
113 }
114 }
115}