rev |
line source |
nuclear@2
|
1 #include <stdio.h>
|
nuclear@2
|
2
|
nuclear@2
|
3 #ifndef __APPLE__
|
nuclear@2
|
4 #include <GL/glut.h>
|
nuclear@2
|
5 #else
|
nuclear@2
|
6 #include <GLUT/glut.h>
|
nuclear@2
|
7 #endif
|
nuclear@2
|
8
|
nuclear@2
|
9 #include <vmath.h>
|
nuclear@2
|
10 #include <ubertk.h>
|
nuclear@2
|
11 #include "gui.h"
|
nuclear@2
|
12 #include "utktext.h"
|
nuclear@2
|
13 #include "sdr.h"
|
nuclear@2
|
14
|
nuclear@2
|
15 #define TEXT_PT_SIZE 18
|
nuclear@2
|
16
|
nuclear@2
|
17 void huecb(utk::Event *ev, void *cls);
|
nuclear@2
|
18 static void cbfunc(utk::Event *ev, void *cls);
|
nuclear@2
|
19
|
nuclear@2
|
20 void utk_color(int r, int g, int b, int a);
|
nuclear@2
|
21 void utk_clip(int x1, int y1, int x2, int y2);
|
nuclear@2
|
22 void utk_image(int x, int y, const void *pix, int xsz, int ysz);
|
nuclear@2
|
23
|
nuclear@2
|
24 void utk_rect(int x1, int y1, int x2, int y2);
|
nuclear@2
|
25 void utk_line(int x1, int y1, int x2, int y2, int width);
|
nuclear@2
|
26
|
nuclear@2
|
27 void utk_text(int x, int y, const char *txt, int sz);
|
nuclear@2
|
28 int utk_text_spacing();
|
nuclear@2
|
29 int utk_text_width(const char *txt, int sz);
|
nuclear@2
|
30
|
nuclear@2
|
31
|
nuclear@2
|
32 int xsz, ysz;
|
nuclear@2
|
33 static utk::Container *utkroot;
|
nuclear@2
|
34 static float max_descent;
|
nuclear@2
|
35 utk::Window *win_seed, *win_material;
|
nuclear@2
|
36
|
nuclear@2
|
37
|
nuclear@2
|
38 extern unsigned int sdr;
|
nuclear@2
|
39 extern Vector4 seed;
|
nuclear@2
|
40 extern int iter;
|
nuclear@2
|
41 extern float err_thres;
|
nuclear@2
|
42 extern float reflectivity;
|
nuclear@2
|
43 extern Vector3 color;
|
nuclear@2
|
44
|
nuclear@2
|
45 int gui_init(int width, int height)
|
nuclear@2
|
46 {
|
nuclear@2
|
47 xsz = width;
|
nuclear@2
|
48 ysz = height;
|
nuclear@2
|
49
|
nuclear@2
|
50 if(!CreateFont("georgia.ttf", TEXT_PT_SIZE)) {
|
nuclear@2
|
51 fprintf(stderr, "failed to load font\n");
|
nuclear@2
|
52 return -1;
|
nuclear@2
|
53 }
|
nuclear@2
|
54 max_descent = GetMaxDescent();
|
nuclear@2
|
55
|
nuclear@2
|
56 utk::gfx::color = utk_color;
|
nuclear@2
|
57 utk::gfx::clip = utk_clip;
|
nuclear@2
|
58 utk::gfx::image = utk_image;
|
nuclear@2
|
59 utk::gfx::rect = utk_rect;
|
nuclear@2
|
60 utk::gfx::line = utk_line;
|
nuclear@2
|
61 utk::gfx::text = utk_text;
|
nuclear@2
|
62 utk::gfx::text_spacing = utk_text_spacing;
|
nuclear@2
|
63 utk::gfx::text_width = utk_text_width;
|
nuclear@2
|
64
|
nuclear@2
|
65 utkroot = utk::init(xsz, ysz);
|
nuclear@2
|
66
|
nuclear@2
|
67 win_seed = utk::create_window(utkroot, 5, 25, 220, 175, "julia parameters");
|
nuclear@2
|
68 win_seed->set_alpha(128);
|
nuclear@2
|
69 win_seed->show();
|
nuclear@2
|
70
|
nuclear@2
|
71 utk::VBox *vbox = utk::create_vbox(win_seed);
|
nuclear@2
|
72 utk::HBox *hbox;
|
nuclear@2
|
73
|
nuclear@2
|
74 hbox = utk::create_hbox(vbox);
|
nuclear@2
|
75 utk::create_label(hbox, "seed x");
|
nuclear@2
|
76 utk::create_slider(hbox, -1.0, 1.0, cbfunc, (void*)0)->set_value(seed.x);
|
nuclear@2
|
77 hbox = utk::create_hbox(vbox);
|
nuclear@2
|
78 utk::create_label(hbox, "seed y");
|
nuclear@2
|
79 utk::create_slider(hbox, -1.0, 1.0, cbfunc, (void*)1)->set_value(seed.y);
|
nuclear@2
|
80 hbox = utk::create_hbox(vbox);
|
nuclear@2
|
81 utk::create_label(hbox, "seed z");
|
nuclear@2
|
82 utk::create_slider(hbox, -1.0, 1.0, cbfunc, (void*)2)->set_value(seed.z);
|
nuclear@2
|
83 hbox = utk::create_hbox(vbox);
|
nuclear@2
|
84 utk::create_label(hbox, "seed w");
|
nuclear@2
|
85 utk::create_slider(hbox, -1.0, 1.0, cbfunc, (void*)3)->set_value(seed.w);
|
nuclear@2
|
86
|
nuclear@2
|
87 hbox = utk::create_hbox(vbox);
|
nuclear@2
|
88 utk::create_label(hbox, "iterations");
|
nuclear@2
|
89 utk::Slider *iter_slider = utk::create_slider(hbox, 0, 32, cbfunc, (void*)5);
|
nuclear@2
|
90 iter_slider->set_value(iter);
|
nuclear@2
|
91 iter_slider->set_vis_decimal(0);
|
nuclear@2
|
92
|
nuclear@2
|
93 hbox = utk::create_hbox(vbox);
|
nuclear@2
|
94 utk::create_label(hbox, "max error");
|
nuclear@2
|
95 utk::Slider *err_slider = utk::create_slider(hbox, 0, 0.075, cbfunc, (void*)6);
|
nuclear@2
|
96 err_slider->set_value(err_thres);
|
nuclear@2
|
97 err_slider->set_vis_decimal(4);
|
nuclear@2
|
98
|
nuclear@2
|
99 win_material = utk::create_window(utkroot, 250, 25, 220, 210, "material");
|
nuclear@2
|
100 win_material->set_alpha(128);
|
nuclear@2
|
101 win_material->show();
|
nuclear@2
|
102 ((utk::WinFrame*)win_material->get_parent())->set_shade(true);
|
nuclear@2
|
103
|
nuclear@2
|
104 vbox = utk::create_vbox(win_material);
|
nuclear@2
|
105
|
nuclear@2
|
106 utk::ColorBox *colbox = new utk::ColorBox;
|
nuclear@2
|
107 vbox->add_child(colbox);
|
nuclear@2
|
108 utk::HueBox *huebox = new utk::HueBox;
|
nuclear@2
|
109 vbox->add_child(huebox);
|
nuclear@2
|
110 huebox->set_callback(utk::EVENT_MODIFY, huecb, colbox);
|
nuclear@2
|
111
|
nuclear@2
|
112 float hue, sat, val;
|
nuclear@2
|
113 utk::rgb_to_hsv(color.x, color.y, color.z, &hue, &sat, &val);
|
nuclear@2
|
114 colbox->set_color_hsv(hue, sat, val);
|
nuclear@2
|
115 huebox->set_h(hue);
|
nuclear@2
|
116
|
nuclear@2
|
117 hbox = utk::create_hbox(vbox);
|
nuclear@2
|
118 utk::create_label(hbox, "reflectivity");
|
nuclear@2
|
119 utk::create_slider(hbox, 0, 1.0, cbfunc, (void*)4)->set_value(reflectivity);
|
nuclear@2
|
120
|
nuclear@2
|
121 return 0;
|
nuclear@2
|
122 }
|
nuclear@2
|
123
|
nuclear@2
|
124 void gui_draw()
|
nuclear@2
|
125 {
|
nuclear@2
|
126 glMatrixMode(GL_MODELVIEW);
|
nuclear@2
|
127 glPushMatrix();
|
nuclear@2
|
128 glLoadIdentity();
|
nuclear@2
|
129 glMatrixMode(GL_PROJECTION);
|
nuclear@2
|
130 glPushMatrix();
|
nuclear@2
|
131 glLoadIdentity();
|
nuclear@2
|
132
|
nuclear@2
|
133 glPushAttrib(GL_ENABLE_BIT);
|
nuclear@2
|
134 glDisable(GL_LIGHTING);
|
nuclear@2
|
135 glDisable(GL_DEPTH_TEST);
|
nuclear@2
|
136 glDisable(GL_CULL_FACE);
|
nuclear@2
|
137 glEnable(GL_BLEND);
|
nuclear@2
|
138
|
nuclear@2
|
139 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
nuclear@2
|
140
|
nuclear@2
|
141 utk::draw();
|
nuclear@2
|
142
|
nuclear@2
|
143 glPopAttrib();
|
nuclear@2
|
144
|
nuclear@2
|
145 glMatrixMode(GL_PROJECTION);
|
nuclear@2
|
146 glPopMatrix();
|
nuclear@2
|
147 glMatrixMode(GL_MODELVIEW);
|
nuclear@2
|
148 glPopMatrix();
|
nuclear@2
|
149 }
|
nuclear@2
|
150
|
nuclear@2
|
151 void gui_set_visible(bool vis)
|
nuclear@2
|
152 {
|
nuclear@2
|
153 if(vis) {
|
nuclear@2
|
154 win_seed->show();
|
nuclear@2
|
155 win_material->show();
|
nuclear@2
|
156 } else {
|
nuclear@2
|
157 win_seed->hide();
|
nuclear@2
|
158 win_material->hide();
|
nuclear@2
|
159 }
|
nuclear@2
|
160 }
|
nuclear@2
|
161
|
nuclear@2
|
162 void huecb(utk::Event *ev, void *cls)
|
nuclear@2
|
163 {
|
nuclear@2
|
164 utk::HueBox *huebox = (utk::HueBox*)ev->widget;
|
nuclear@2
|
165 utk::ColorBox *colbox = (utk::ColorBox*)cls;
|
nuclear@2
|
166
|
nuclear@2
|
167 colbox->set_h(huebox->get_h());
|
nuclear@2
|
168 }
|
nuclear@2
|
169
|
nuclear@2
|
170 void cbfunc(utk::Event *ev, void *cls)
|
nuclear@2
|
171 {
|
nuclear@2
|
172 int id = (int)(intptr_t)cls;
|
nuclear@2
|
173
|
nuclear@2
|
174 switch(id) {
|
nuclear@2
|
175 case 0:
|
nuclear@2
|
176 case 1:
|
nuclear@2
|
177 case 2:
|
nuclear@2
|
178 case 3:
|
nuclear@2
|
179 {
|
nuclear@2
|
180 utk::Slider *slider = (utk::Slider*)ev->widget;
|
nuclear@2
|
181
|
nuclear@2
|
182 seed[id] = slider->get_value();
|
nuclear@2
|
183 set_uniform_float4(sdr, "seed", seed.x, seed.y, seed.z, seed.w);
|
nuclear@2
|
184 glutPostRedisplay();
|
nuclear@2
|
185 }
|
nuclear@2
|
186 break;
|
nuclear@2
|
187
|
nuclear@2
|
188 case 4:
|
nuclear@2
|
189 {
|
nuclear@2
|
190 utk::Slider *slider = (utk::Slider*)ev->widget;
|
nuclear@2
|
191
|
nuclear@2
|
192 reflectivity = slider->get_value();
|
nuclear@2
|
193 set_uniform_float(sdr, "reflectivity", reflectivity);
|
nuclear@2
|
194 glutPostRedisplay();
|
nuclear@2
|
195 }
|
nuclear@2
|
196 break;
|
nuclear@2
|
197
|
nuclear@2
|
198 case 5:
|
nuclear@2
|
199 {
|
nuclear@2
|
200 utk::Slider *slider = (utk::Slider*)ev->widget;
|
nuclear@2
|
201
|
nuclear@2
|
202 iter = (int)slider->get_value();
|
nuclear@2
|
203 set_uniform_int(sdr, "iter", iter);
|
nuclear@2
|
204 glutPostRedisplay();
|
nuclear@2
|
205 }
|
nuclear@2
|
206 break;
|
nuclear@2
|
207
|
nuclear@2
|
208 case 6:
|
nuclear@2
|
209 {
|
nuclear@2
|
210 utk::Slider *slider = (utk::Slider*)ev->widget;
|
nuclear@2
|
211
|
nuclear@2
|
212 err_thres = slider->get_value();
|
nuclear@2
|
213 set_uniform_float(sdr, "err_thres", err_thres);
|
nuclear@2
|
214 glutPostRedisplay();
|
nuclear@2
|
215 }
|
nuclear@2
|
216 break;
|
nuclear@2
|
217
|
nuclear@2
|
218 default:
|
nuclear@2
|
219 fprintf(stderr, "unhandled callback (id: %d)\n", id);
|
nuclear@2
|
220 break;
|
nuclear@2
|
221 }
|
nuclear@2
|
222 }
|
nuclear@2
|
223
|
nuclear@2
|
224
|
nuclear@2
|
225 #define CONVX(x) (2.0 * (float)(x) / (float)xsz - 1.0)
|
nuclear@2
|
226 #define CONVY(y) (1.0 - 2.0 * (float)(y) / (float)ysz)
|
nuclear@2
|
227
|
nuclear@2
|
228 void utk_color(int r, int g, int b, int a)
|
nuclear@2
|
229 {
|
nuclear@2
|
230 glColor4ub(r, g, b, a);
|
nuclear@2
|
231 SetTextColor(Color(r / 255.0, g / 255.0, b / 255.0, a / 255.0));
|
nuclear@2
|
232 }
|
nuclear@2
|
233
|
nuclear@2
|
234 void utk_clip(int x1, int y1, int x2, int y2)
|
nuclear@2
|
235 {
|
nuclear@2
|
236 if(x1 == x2 && y1 == y2 && x1 == y1 && x1 == 0) {
|
nuclear@2
|
237 glDisable(GL_SCISSOR_TEST);
|
nuclear@2
|
238 } else {
|
nuclear@2
|
239 glEnable(GL_SCISSOR_TEST);
|
nuclear@2
|
240 }
|
nuclear@2
|
241 glScissor(x1, ysz - y2, x2 - x1, y2 - y1);
|
nuclear@2
|
242 }
|
nuclear@2
|
243
|
nuclear@2
|
244 void utk_image(int x, int y, const void *pix, int w, int h)
|
nuclear@2
|
245 {
|
nuclear@2
|
246 glPixelZoom(1, -1);
|
nuclear@2
|
247 glRasterPos2f(CONVX(x), CONVY(y));
|
nuclear@2
|
248 glDrawPixels(w, h, GL_BGRA, GL_UNSIGNED_BYTE, pix);
|
nuclear@2
|
249 }
|
nuclear@2
|
250
|
nuclear@2
|
251 void utk_rect(int x1, int y1, int x2, int y2)
|
nuclear@2
|
252 {
|
nuclear@2
|
253 glRectf(CONVX(x1), CONVY(y1), CONVX(x2), CONVY(y2));
|
nuclear@2
|
254 }
|
nuclear@2
|
255
|
nuclear@2
|
256 void utk_line(int x1, int y1, int x2, int y2, int width)
|
nuclear@2
|
257 {
|
nuclear@2
|
258 glPushAttrib(GL_LINE_BIT);
|
nuclear@2
|
259
|
nuclear@2
|
260 glLineWidth((float)width);
|
nuclear@2
|
261 glBegin(GL_LINES);
|
nuclear@2
|
262 glVertex2f(CONVX(x1), CONVY(y1));
|
nuclear@2
|
263 glVertex2f(CONVX(x2), CONVY(y2));
|
nuclear@2
|
264 glEnd();
|
nuclear@2
|
265
|
nuclear@2
|
266 glPopAttrib();
|
nuclear@2
|
267 }
|
nuclear@2
|
268
|
nuclear@2
|
269 void utk_text(int x, int y, const char *txt, int sz)
|
nuclear@2
|
270 {
|
nuclear@2
|
271 float fx = (float)x / (float)xsz;
|
nuclear@2
|
272 float fy = (float)y / (float)ysz;
|
nuclear@2
|
273
|
nuclear@2
|
274 SetTextPos(Vector2(fx, fy - max_descent));
|
nuclear@2
|
275 //SetTextPos(Vector2(0.25, 0.25));
|
nuclear@2
|
276 SetTextSize((float)sz / (float)TEXT_PT_SIZE);
|
nuclear@2
|
277 PrintString(txt);
|
nuclear@2
|
278 }
|
nuclear@2
|
279
|
nuclear@2
|
280 int utk_text_spacing()
|
nuclear@2
|
281 {
|
nuclear@2
|
282 return (int)(GetLineAdvance() * (float)ysz);
|
nuclear@2
|
283 }
|
nuclear@2
|
284
|
nuclear@2
|
285 int utk_text_width(const char *txt, int sz)
|
nuclear@2
|
286 {
|
nuclear@2
|
287 float prev_sz = GetTextSize();
|
nuclear@2
|
288 SetTextSize((float)sz / (float)TEXT_PT_SIZE);
|
nuclear@2
|
289
|
nuclear@2
|
290 int width = (int)(GetTextWidth(txt) * (float)xsz);
|
nuclear@2
|
291
|
nuclear@2
|
292 SetTextSize(prev_sz);
|
nuclear@2
|
293 return width;
|
nuclear@2
|
294 }
|
nuclear@2
|
295
|