examples.debugtext source code

1 //------------------------------------------------------------------------------
2 //  debugtext.d
3 //
4 //  Test sokol_debugtext.h
5 //------------------------------------------------------------------------------
6 module examples.debugtext;
7 
8 import sg = sokol.gfx;
9 import sglue = sokol.glue;
10 import sapp = sokol.app;
11 import sdtx = sokol.debugtext;
12 import log = sokol.log;
13 
14 extern (C):
15 @safe:
16 
17 // Font slots
18 immutable FONT_KC853 = 0;
19 immutable FONT_KC854 = 1;
20 immutable FONT_KC85 = 1;
21 immutable FONT_Z1013 = 2;
22 immutable FONT_CPC = 3;
23 immutable FONT_C64 = 4;
24 immutable FONT_ORIC = 5;
25 
26 struct State {
27     // background color
28     sg.PassAction passAction = {
29         colors: [
30             {
31                 load_action: sg.LoadAction.Clear,
32                 clear_value: { r: 0.0, g: 0.125, b: 0.25, a: 1.0 }
33             }
34         ]
35     };
36 }
37 static State state;
38 
39 void init() {
40     sg.Desc gfx = {
41         environment: sglue.environment(),
42         logger: { func: &log.func }
43     };
44     sg.setup(gfx);
45 
46     sdtx.Desc desc = {
47         fonts: [
48             sdtx.fontKc853(),
49             sdtx.fontKc854(),
50             sdtx.fontZ1013(),
51             sdtx.fontCpc(),
52             sdtx.fontC64(),
53             sdtx.fontOric()
54         ],
55         logger: { func: &log.func },
56     };
57     sdtx.setup(desc);
58 }
59 
60 void print_font(uint font_index, string title, ubyte r, ubyte g, ubyte b) {
61     sdtx.font(font_index);
62     sdtx.color3b(r, g, b);
63     sdtx.puts(&title[0]);
64     foreach (c; 32 .. 255) {
65         sdtx.putc(cast(char) c);
66         if (((c + 1) & 63) == 0) {
67             sdtx.crlf();
68         }
69     }
70     sdtx.crlf();
71 }
72 
73 void frame() {
74     sdtx.canvas(sapp.widthf() * 0.5, sapp.heightf() * 0.5);
75     sdtx.origin(0.0, 2.0);
76     sdtx.home();
77 
78     print_font(FONT_KC853, "KC85/3:\n", 0xf4, 0x43, 0x36);
79     print_font(FONT_KC854, "KC85/4:\n", 0x21, 0x96, 0xf3);
80     print_font(FONT_Z1013, "Z1013:\n", 0x4c, 0xaf, 0x50);
81     print_font(FONT_CPC, "Amstrad CPC:\n", 0xff, 0xeb, 0x3b);
82     print_font(FONT_C64, "C64:\n", 0x79, 0x86, 0xcb);
83     print_font(FONT_ORIC, "Oric Atmos:\n", 0xff, 0x98, 0x00);
84 
85     sg.Pass pass = { action: state.passAction, swapchain: sglue.swapchain() };
86     sg.beginPass(pass);
87     sdtx.draw();
88     sg.endPass();
89     sg.commit();
90 }
91 
92 void cleanup() {
93     sdtx.shutdown();
94     sg.shutdown();
95 }
96 
97 void main() {
98     sapp.Desc runner = {
99         window_title: "debugtext.d",
100         init_cb: &init,
101         frame_cb: &frame,
102         cleanup_cb: &cleanup,
103         width: 1024,
104         height: 600,
105         icon: {sokol_default: true},
106         logger: {func: &log.func}
107     };
108     sapp.run(runner);
109 }