1 /* This is a small demo of the high-performance GUIX graphics framework. */
2
3 #include <stdio.h>
4 #include <string.h>
5 #include "gx_api.h"
6 #include "gx_canvas.h"
7
8 #include "graphics_palette_resources.h"
9 #include "graphics_palette_specifications.h"
10
11 MAIN_WINDOW_CONTROL_BLOCK *pMainWin;
12 ELLIPSE_WINDOW_CONTROL_BLOCK *pEllipseWin;
13 GX_WINDOW *pGraphicsWin;
14 GX_RESOURCE_ID line_color = GX_COLOR_ID_CANVAS;
15 GX_RESOURCE_ID fill_color = GX_COLOR_ID_SCROLL_BUTTON;
16 INT start_angle = 0;
17 INT end_angle = 90;
18 INT radius = 100;
19 GX_BOOL anti_aliased = GX_TRUE;
20 GX_BOOL solid_fill = GX_TRUE;
21 GX_BOOL round_end = GX_TRUE;
22 GX_BOOL pixelmap_fill = GX_FALSE;
23 INT transparent = 0;
24 INT compress = 0;
25 INT brush_width = 1;
26
27 GX_RESOURCE_ID pixelmap_id= 2;
28 GX_RESOURCE_ID fill_map[4] = { GX_PIXELMAP_ID_RAW, GX_PIXELMAP_ID_COMPRESSED, GX_PIXELMAP_ID_TRANSPARENT, GX_PIXELMAP_ID_CMOPRESSED_TRANSPARENT };
29 #define CIRCLE 0
30 #define ARC 1
31 #define PIE 2
32 #define POLYGON 3
33 #define ELLIPSE 4
34
35 INT draw_shape = CIRCLE;
36 INT pre_shape;
37 INT a = 100;
38 INT b = 50;
39
40 /* Define the ThreadX demo thread control block and stack. */
41
42 TX_THREAD demo_thread;
43 UCHAR demo_thread_stack[4096];
44
45 GX_WINDOW_ROOT *root;
46
47 /* Define prototypes. */
48 VOID demo_thread_entry(ULONG thread_input);
49 extern UINT win32_graphics_driver_setup_8bit_palette(GX_DISPLAY *display);
50
main(int argc,char ** argv)51 int main(int argc, char ** argv)
52 {
53 tx_kernel_enter();
54 return(0);
55 }
56
57
tx_application_define(void * first_unused_memory)58 VOID tx_application_define(void *first_unused_memory)
59 {
60
61 /* Create the main demo thread. */
62 tx_thread_create(&demo_thread, "GUIX Demo Thread", demo_thread_entry,
63 0, demo_thread_stack, sizeof(demo_thread_stack),
64 1, 1, TX_NO_TIME_SLICE, TX_AUTO_START);
65 }
66
67
demo_thread_entry(ULONG thread_input)68 VOID demo_thread_entry(ULONG thread_input)
69 {
70 /* Initialize GUIX. */
71 gx_system_initialize();
72
73
74 gx_studio_display_configure(DISPLAY_1, win32_graphics_driver_setup_8bit_palette,
75 LANGUAGE_ENGLISH, DISPLAY_1_DEFAULT_THEME, &root);
76
77 /* create the main screen */
78 gx_studio_named_widget_create("main_window", (GX_WIDGET *) root, (GX_WIDGET **) &pMainWin);
79
80 /* create the ellipse screen */
81 gx_studio_named_widget_create("ellipse_window", GX_NULL, (GX_WIDGET **) &pEllipseWin);
82
83 /* get a pointer to polygon window */
84 pGraphicsWin = &pMainWin -> main_window_graphics_window;
85
86 /* Show the root window to make it and patients screen visible. */
87 gx_widget_show(root);
88
89 /* let GUIX run */
90 gx_system_start();
91 }
92
update_prompt_value(GX_PROMPT * pp,INT value)93 VOID update_prompt_value(GX_PROMPT *pp, INT value)
94 {
95 GX_STRING str;
96 static GX_CHAR str_buf[10];
97
98 if(pp)
99 {
100 gx_utility_ltoa(value, str_buf, 10);
101 str.gx_string_ptr = str_buf;
102 str.gx_string_length = strnlen(str_buf, 10);
103 gx_prompt_text_set_ext(pp, &str);
104 }
105 }
106
ToggleScreen(GX_WINDOW * new_win,GX_WINDOW * old_win)107 void ToggleScreen(GX_WINDOW *new_win, GX_WINDOW *old_win)
108 {
109 if (!new_win->gx_widget_parent)
110 {
111 gx_widget_attach(root, (GX_WIDGET *) new_win);
112 }
113 else
114 {
115 gx_widget_show((GX_WIDGET *) new_win);
116 }
117 gx_widget_hide((GX_WIDGET *) old_win);
118 }
119
main_event_handler(GX_WINDOW * window,GX_EVENT * myevent)120 UINT main_event_handler(GX_WINDOW *window, GX_EVENT *myevent)
121 {
122 UINT status = 0;
123 GX_PROMPT *prompt;
124
125 switch(myevent -> gx_event_type)
126 {
127
128 case GX_SIGNAL(ID_NEXT_PAGE, GX_EVENT_CLICKED):
129 switch(window ->gx_widget_id)
130 {
131 case ID_CIRCLE_SCREEN:
132 /* we are on button window, switch to window */
133 ToggleScreen((GX_WINDOW *)pEllipseWin, window);
134 pGraphicsWin = &pEllipseWin -> ellipse_window_graphics_window;
135 pre_shape = draw_shape;
136 draw_shape = ELLIPSE;
137 break;
138
139 case ID_ELLIPSE_SCREEN:
140 ToggleScreen((GX_WINDOW *)pMainWin, window);
141 pGraphicsWin = &pMainWin -> main_window_graphics_window;
142 draw_shape = pre_shape;
143 break;
144 }
145 break;
146
147 case GX_SIGNAL(ID_A_SLIDER, GX_EVENT_SLIDER_VALUE):
148 a = myevent ->gx_event_payload.gx_event_longdata;
149 prompt = &pEllipseWin->ellipse_window_a_prompt;
150 update_prompt_value(prompt, a);
151 gx_system_dirty_mark(pGraphicsWin);
152 break;
153
154 case GX_SIGNAL(ID_B_SLIDER, GX_EVENT_SLIDER_VALUE):
155 b = myevent ->gx_event_payload.gx_event_longdata;
156 prompt = &pEllipseWin->ellipse_window_b_prompt;
157 update_prompt_value(prompt, b);
158 gx_system_dirty_mark(pGraphicsWin);
159 break;
160
161 case GX_SIGNAL(ID_START_ANGLE_SLIDER, GX_EVENT_SLIDER_VALUE):
162 start_angle = myevent ->gx_event_payload.gx_event_longdata;
163 prompt = &pMainWin->main_window_start_angle_prompt;
164 update_prompt_value(prompt, start_angle);
165 gx_system_dirty_mark(pGraphicsWin);
166 break;
167
168 case GX_SIGNAL(ID_END_ANGLE_SLIDER, GX_EVENT_SLIDER_VALUE):
169 end_angle = myevent ->gx_event_payload.gx_event_longdata;
170 prompt = &pMainWin->main_window_end_angle_prompt;
171 update_prompt_value(prompt, end_angle);
172 gx_system_dirty_mark(pGraphicsWin);
173 break;
174
175 case GX_SIGNAL(ID_RADIUS_SLIDER, GX_EVENT_SLIDER_VALUE):
176 radius = myevent ->gx_event_payload.gx_event_longdata;
177 prompt = &pMainWin->main_window_radius_prompt;
178 update_prompt_value(prompt, radius);
179 gx_system_dirty_mark(pGraphicsWin);
180 break;
181
182 case GX_SIGNAL(ID_BRUSH_WIDTH, GX_EVENT_SLIDER_VALUE):
183 brush_width = myevent->gx_event_payload.gx_event_longdata;
184 prompt = &pMainWin->main_window_brush_width_prompt;
185 update_prompt_value(prompt, brush_width);
186 gx_system_dirty_mark(pGraphicsWin);
187 break;
188
189 case GX_SIGNAL(ID_ANTI_ALIASED, GX_EVENT_TOGGLE_ON):
190 anti_aliased = GX_TRUE;
191 gx_system_dirty_mark(pGraphicsWin);
192 break;
193
194 case GX_SIGNAL(ID_ANTI_ALIASED, GX_EVENT_TOGGLE_OFF):
195 anti_aliased = GX_FALSE;
196 gx_system_dirty_mark(pGraphicsWin);
197 break;
198
199 case GX_SIGNAL(ID_ROUND_END, GX_EVENT_TOGGLE_ON):
200 round_end = GX_TRUE;
201 gx_system_dirty_mark(pGraphicsWin);
202 break;
203
204 case GX_SIGNAL(ID_ROUND_END, GX_EVENT_TOGGLE_OFF):
205 round_end = GX_FALSE;
206 gx_system_dirty_mark(pGraphicsWin);
207 break;
208
209 case GX_SIGNAL(ID_SOLID_FILL, GX_EVENT_TOGGLE_ON):
210 solid_fill = GX_TRUE;
211 gx_system_dirty_mark(pGraphicsWin);
212 break;
213
214 case GX_SIGNAL(ID_SOLID_FILL, GX_EVENT_TOGGLE_OFF):
215 solid_fill = GX_FALSE;
216 gx_system_dirty_mark(pGraphicsWin);
217 break;
218
219 case GX_SIGNAL(ID_PIXELMAP_FILL, GX_EVENT_TOGGLE_ON):
220 pixelmap_fill = GX_TRUE;
221 gx_system_dirty_mark(pGraphicsWin);
222 break;
223
224 case GX_SIGNAL(ID_PIXELMAP_FILL, GX_EVENT_TOGGLE_OFF):
225 pixelmap_fill = GX_FALSE;
226 gx_system_dirty_mark(pGraphicsWin);
227 break;
228
229 case GX_SIGNAL(ID_WALLPAPER, GX_EVENT_TOGGLE_ON):
230 gx_window_wallpaper_set(pGraphicsWin, GX_PIXELMAP_ID_CHECKBOX_OFF, GX_TRUE);
231 break;
232
233 case GX_SIGNAL(ID_WALLPAPER, GX_EVENT_TOGGLE_OFF):
234 gx_window_wallpaper_set(pGraphicsWin, GX_NULL, GX_TRUE);
235 break;
236
237 case GX_SIGNAL(ID_BLACK, GX_EVENT_RADIO_SELECT):
238 fill_color = GX_COLOR_ID_CANVAS;
239 gx_system_dirty_mark(pGraphicsWin);
240 break;
241
242 case GX_SIGNAL(ID_FRESHCOLOR, GX_EVENT_RADIO_SELECT):
243 fill_color = GX_COLOR_ID_SCROLL_BUTTON;
244 gx_system_dirty_mark(pGraphicsWin);
245 break;
246
247 case GX_SIGNAL(ID_CIRCLE, GX_EVENT_RADIO_SELECT):
248 draw_shape = CIRCLE;
249 gx_system_dirty_mark(pGraphicsWin);
250 break;
251
252 case GX_SIGNAL(ID_ARC, GX_EVENT_RADIO_SELECT):
253 draw_shape = ARC;
254 gx_system_dirty_mark(pGraphicsWin);
255 break;
256
257 case GX_SIGNAL(ID_PIE, GX_EVENT_RADIO_SELECT):
258 draw_shape = PIE;
259 gx_system_dirty_mark(pGraphicsWin);
260 break;
261
262 case GX_SIGNAL(ID_POLYGON, GX_EVENT_RADIO_SELECT):
263 draw_shape = POLYGON;
264 gx_system_dirty_mark(pGraphicsWin);
265 break;
266
267 default:
268 status = gx_window_event_process(window, myevent);
269 break;
270 }
271 return status;
272 }
273
graphics_draw(GX_WINDOW * window)274 VOID graphics_draw(GX_WINDOW *window)
275 {
276 ULONG brush_style = 0;
277 GX_POINT rectangle[4] = {{188, 50}, {254, 50}, {254, 150}, {188, 150}};
278 GX_POINT pentagon[5] = {{290, 90}, {335, 50}, {380, 90}, {360, 150}, {310, 150}};
279 GX_POINT concave[6] = {{50, 50}, {90, 80}, {130, 50}, {130, 150}, {90, 110}, {50, 150}};
280 GX_POINT star[10] = {{173, 232}, {212, 232}, {223, 192}, {237, 232}, {273, 232}, {244, 258}, {256, 299}, {226, 275}, {192, 298}, {203, 258}};
281 GX_POINT self_intersection[8] = {{110, 326}, {189, 420}, {266, 326}, {334, 420}, {334, 326}, {264, 420}, {189, 326}, {110, 420}};
282
283 gx_window_draw((GX_WINDOW*) window);
284
285 if(anti_aliased)
286 {
287 brush_style |= GX_BRUSH_ALIAS;
288 }
289
290 if(round_end)
291 {
292 brush_style |= GX_BRUSH_ROUND;
293 }
294
295 if(solid_fill)
296 {
297 brush_style |= GX_BRUSH_SOLID_FILL;
298 }
299
300 if (pixelmap_fill)
301 {
302 brush_style |= GX_BRUSH_PIXELMAP_FILL;
303 gx_context_pixelmap_set(fill_map[pixelmap_id]);
304 /* Set same brush color and style with function gx_context_brush_define().
305 Just add this to test more functions. */
306 gx_context_raw_line_color_set(0);
307 gx_context_brush_style_set(brush_style);
308 }
309 else
310 {
311 gx_context_brush_define(line_color, fill_color, brush_style);
312 }
313
314 gx_context_brush_width_set(brush_width);
315
316 switch(draw_shape)
317 {
318 case CIRCLE:
319 if (!pixelmap_fill)
320 {
321 gx_context_raw_fill_color_set(GX_COLOR_GREEN);
322 gx_context_raw_line_color_set(GX_COLOR_YELLOW);
323 }
324 gx_canvas_circle_draw(213, 230, radius);
325 break;
326
327 case ARC:
328 gx_canvas_arc_draw(213, 230, radius, start_angle, end_angle);
329 break;
330
331 case PIE:
332 gx_canvas_pie_draw(213, 230, radius, start_angle, end_angle);
333 gx_context_fill_color_set(GX_COLOR_ID_SHINE);
334 if (pixelmap_fill)
335 {
336 gx_context_pixelmap_set(GX_PIXELMAP_ID_CHECKBOX_ON);
337 }
338 gx_canvas_pie_draw(213, 230, radius, end_angle, end_angle + 30);
339 break;
340
341 case POLYGON:
342 gx_canvas_polygon_draw(rectangle, 4);
343 gx_canvas_polygon_draw(pentagon, 5);
344 gx_canvas_polygon_draw(concave, 6);
345 gx_canvas_polygon_draw(star, 10);
346 gx_canvas_polygon_draw(self_intersection, 8);
347 break;
348
349 case ELLIPSE:
350 gx_canvas_ellipse_draw(213, 230, a, b);
351 break;
352 }
353 }
354
