novelate.colormanager source code

1 /**
2 * Copyright © Novelate 2020
3 * License: MIT (https://github.com/Novelate/NovelateEngine/blob/master/LICENSE)
4 * Author: Jacob Jensen (bausshf)
5 * Website: https://novelate.com/
6 * ------
7 * Novelate is a free and open-source visual novel engine and framework written in the D programming language.
8 * It can be used freely for both personal and commercial projects.
9 * ------
10 * Module Description:
11 * This module handles color management.
12 */
13 module novelate.colormanager;
14 
15 import std.array : split;
16 import std.conv : to;
17 
18 import novelate.external;
19 
20 /**
21 * Creates a color from given RGBA channels.
22 * Params:
23 *   r = The red channel.
24 *   g = The green channel.
25 *   b = The blue channel.
26 *   a = The alpha channel.
27 *  Returns:
28 *   The color created.
29 */
30 Paint colorFromRGBA(ubyte r, ubyte g, ubyte b, ubyte a = 0xff)
31 {
32   return Paint(r, g, b, a);
33 }
34 
35 /**
36 * Creates a color from given RGBA channels contained in a string. Ex. "255,255,0" fpr green or with alpha "255,255,0,150"
37 * Params:
38 *   color = The color string of the RGBA channels.
39 *  Returns:
40 *   The color created.
41 */
42 Paint colorFromString(string color)
43 {
44   auto data = color.split(",");
45 
46   if (data.length < 3)
47   {
48     return colorFromRGBA(0,0,0);
49   }
50 
51   auto r = to!ubyte(data[0]);
52   auto g = to!ubyte(data[1]);
53   auto b = to!ubyte(data[2]);
54   auto a = data.length == 4 ? to!ubyte(data[3]) : cast(ubyte)0xff;
55 
56   return colorFromRGBA(r, g, b, a);
57 }