re.gfx.window source code

1 /** system window */
2 
3 module re.gfx.window;
4 
5 import re.core;
6 import re.math;
7 import std.string;
8 import std.algorithm.comparison: max;
9 static import raylib;
10 
11 class Window {
12     // raw window width and height
13     private int _width;
14     private int _height;
15     /// the window dpi scale
16     private float _scale_dpi;
17     /// the monitor
18     private int _monitor;
19 
20     /// creates a window instance with the given dimensions
21     this(int width, int height) {
22         _width = width;
23         _height = height;
24     }
25 
26     /// window width
27     @property int width() {
28         update_window();
29         return cast(int)(_width);
30     }
31 
32     /// window height
33     @property int height() {
34         update_window();
35         return cast(int)(_height);
36     }
37 
38     @property float scale_dpi() {
39         update_window();
40         return _scale_dpi;
41     }
42 
43     /// initializes the window
44     public void initialize() {
45         // create the window
46         raylib.InitWindow(_width, _height, "");
47         // set options
48         raylib.SetTargetFPS(Core.target_fps);
49         // // get properties
50         // _scale_dpi = get_display_dpi_scale();
51         update_window();
52     }
53 
54     public static float get_display_dpi_scale() {
55         auto scale_dpi_vec = raylib.GetWindowScaleDPI();
56         return max(scale_dpi_vec.x, scale_dpi_vec.y);
57     }
58 
59     public void set_title(string title) {
60         raylib.SetWindowTitle(toStringz(title));
61     }
62 
63     public void resize(int width, int height) {
64         raylib.SetWindowSize(width, height);
65         update_window();
66     }
67 
68     private void update_window() {
69         _width = raylib.GetScreenWidth();
70         _height = raylib.GetScreenHeight();
71         _scale_dpi = get_display_dpi_scale();
72     }
73 
74     public void destroy() {
75         raylib.CloseWindow();
76     }
77 }