| rev |
line source |
|
nuclear@7
|
1 #include <map>
|
|
nuclear@7
|
2 #include <string>
|
|
nuclear@7
|
3 #include "goatkit/goatkit.h"
|
|
nuclear@7
|
4 #include "opengl.h"
|
|
nuclear@7
|
5 #include "drawtext.h"
|
|
nuclear@7
|
6 #include "sdr.h"
|
|
nuclear@7
|
7
|
|
nuclear@7
|
8 #define VIS_THRES 0.005
|
|
nuclear@7
|
9
|
|
nuclear@7
|
10 using namespace goatkit;
|
|
nuclear@7
|
11
|
|
nuclear@7
|
12 extern int view_xsz, view_ysz;
|
|
nuclear@7
|
13 extern unsigned int prog_ui, prog_font;
|
|
nuclear@7
|
14 extern struct dtx_font *font;
|
|
nuclear@7
|
15
|
|
nuclear@7
|
16 static void draw_label(const Widget *w);
|
|
nuclear@7
|
17 static void draw_text(float x, float y, const char *text);
|
|
nuclear@7
|
18
|
|
nuclear@7
|
19 static struct {
|
|
nuclear@7
|
20 const char *name;
|
|
nuclear@7
|
21 WidgetDrawFunc func;
|
|
nuclear@7
|
22 } widget_funcs[] = {
|
|
nuclear@7
|
23 { "label", draw_label },
|
|
nuclear@7
|
24 {0, 0}
|
|
nuclear@7
|
25 };
|
|
nuclear@7
|
26
|
|
nuclear@7
|
27 static std::map<std::string, WidgetDrawFunc> funcmap;
|
|
nuclear@7
|
28
|
|
nuclear@7
|
29 extern "C" WidgetDrawFunc get_widget_func(const char *name)
|
|
nuclear@7
|
30 {
|
|
nuclear@7
|
31 static bool initialized;
|
|
nuclear@7
|
32
|
|
nuclear@7
|
33 if(!initialized) {
|
|
nuclear@7
|
34 for(int i=0; widget_funcs[i].func; i++) {
|
|
nuclear@7
|
35 funcmap[widget_funcs[i].name] = widget_funcs[i].func;
|
|
nuclear@7
|
36 }
|
|
nuclear@7
|
37 initialized = true;
|
|
nuclear@7
|
38 }
|
|
nuclear@7
|
39 return funcmap[name];
|
|
nuclear@7
|
40 }
|
|
nuclear@7
|
41
|
|
nuclear@7
|
42 static void begin_drawing(const Widget *w)
|
|
nuclear@7
|
43 {
|
|
nuclear@7
|
44 Vec2 pos = w->get_position();
|
|
nuclear@7
|
45
|
|
nuclear@7
|
46 glEnable(GL_BLEND);
|
|
nuclear@7
|
47 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
|
nuclear@7
|
48
|
|
nuclear@7
|
49 gl_matrix_mode(GL_MODELVIEW);
|
|
nuclear@7
|
50 gl_push_matrix();
|
|
nuclear@7
|
51 gl_load_identity();
|
|
nuclear@7
|
52 gl_translatef(pos.x, pos.y, 0);
|
|
nuclear@7
|
53 }
|
|
nuclear@7
|
54
|
|
nuclear@7
|
55 static void end_drawing(const Widget *w)
|
|
nuclear@7
|
56 {
|
|
nuclear@7
|
57 gl_matrix_mode(GL_MODELVIEW);
|
|
nuclear@7
|
58 gl_pop_matrix();
|
|
nuclear@7
|
59 }
|
|
nuclear@7
|
60
|
|
nuclear@7
|
61 static void draw_label(const Widget *w)
|
|
nuclear@7
|
62 {
|
|
nuclear@7
|
63 Vec2 pos = w->get_position();
|
|
nuclear@7
|
64 float vis = w->get_visibility();
|
|
nuclear@7
|
65 if(vis < VIS_THRES) return;
|
|
nuclear@7
|
66
|
|
nuclear@7
|
67 begin_drawing(w);
|
|
nuclear@7
|
68 draw_text(pos.x, pos.y, w->get_text());
|
|
nuclear@7
|
69 end_drawing(w);
|
|
nuclear@7
|
70 }
|
|
nuclear@7
|
71
|
|
nuclear@7
|
72 static void draw_text(float x, float y, const char *text)
|
|
nuclear@7
|
73 {
|
|
nuclear@7
|
74 struct dtx_glyphmap *gmap = dtx_get_font_glyphmap_idx(font, 0);
|
|
nuclear@7
|
75 dtx_use_font(font, dtx_get_glyphmap_ptsize(gmap));
|
|
nuclear@7
|
76
|
|
nuclear@7
|
77 float aspect = (float)view_xsz / (float)view_ysz;
|
|
nuclear@7
|
78 float virt_xsz = 420.0 * aspect;
|
|
nuclear@7
|
79 float virt_ysz = 420.0;
|
|
nuclear@7
|
80
|
|
nuclear@7
|
81 gl_matrix_mode(GL_PROJECTION);
|
|
nuclear@7
|
82 gl_push_matrix();
|
|
nuclear@7
|
83 gl_load_identity();
|
|
nuclear@7
|
84 gl_ortho(0, virt_xsz, 0, virt_ysz, -1, 1);
|
|
nuclear@7
|
85
|
|
nuclear@7
|
86 gl_matrix_mode(GL_MODELVIEW);
|
|
nuclear@7
|
87 gl_push_matrix();
|
|
nuclear@7
|
88 gl_load_identity();
|
|
nuclear@7
|
89 gl_translatef(x * virt_xsz, y * virt_ysz, 0);
|
|
nuclear@7
|
90
|
|
nuclear@7
|
91 bind_program(prog_font);
|
|
nuclear@7
|
92 set_uniform_float4(prog_font, "ucolor", 1.0, 1.0, 1.0, 1.0);
|
|
nuclear@7
|
93 gl_apply_xform(prog_ui);
|
|
nuclear@7
|
94
|
|
nuclear@7
|
95 dtx_string(text);
|
|
nuclear@7
|
96
|
|
nuclear@7
|
97 gl_matrix_mode(GL_PROJECTION);
|
|
nuclear@7
|
98 gl_pop_matrix();
|
|
nuclear@7
|
99 gl_matrix_mode(GL_MODELVIEW);
|
|
nuclear@7
|
100 gl_pop_matrix();
|
|
nuclear@7
|
101 } |
