1 /* This is a demo of the high-performance GUIX graphics framework. */
2
3 #include <stdio.h>
4 #include "gx_api.h"
5 #include "all_widgets_16bpp_rotated_cw_binary_resources.h"
6 #include "all_widgets_16bpp_rotated_cw_binary_specifications.h"
7
8 GX_RESOURCE_ID line_color = GX_COLOR_ID_GRAY;
9 GX_RESOURCE_ID fill_color = GX_COLOR_ID_PURPLE;
10 INT xcenter = 213;
11 INT ycenter = 230;
12 INT radius = 160;
13 GX_BOOL anti_aliased = GX_TRUE;
14 GX_BOOL round_end = GX_TRUE;
15 GX_BOOL solid_fill = GX_TRUE;
16 GX_BOOL pixelmap_fill = GX_FALSE;
17 INT brush_width = 2;
18 INT start_angle = 60;
19 INT end_angle = 90;
20 INT angle_off = 0;
21 INT ellipse_b = 100;
22 GX_UBYTE brush_alpha = 255;
23 INT fill_pixelmap_index = 0;
24 INT alpha = 0;
25 INT compress = 0;
26
27 GX_RESOURCE_ID pixelmap_id[4] = { GX_PIXELMAP_ID_ID_RAW, GX_PIXELMAP_ID_ID_ALPHA,
28 GX_PIXELMAP_ID_ID_COMPRESS, GX_PIXELMAP_ID_ID_COMPRESS_ALPHA};
29
30
31
32 #define CIRCLE 0
33 #define ARC 1
34 #define PIE 2
35 #define POLYGON 3
36 #define ELLIPSE 4
37 #define RECTANGLE 5
38
39 #define ARC_TIMER 5
40 #define PIE_TIMER 6
41
42 #define ARC_TICKS 2
43 #define PIE_TICKS 10
44
45 INT draw_shape = CIRCLE;
46 INT pre_shape;
47
update_prompt_value(GX_PROMPT * pp,INT value)48 VOID update_prompt_value(GX_PROMPT *pp, INT value)
49 {
50 static GX_CHAR str[10];
51
52 if (pp)
53 {
54 gx_utility_ltoa(value, str, 10);
55 gx_prompt_text_set(pp, str);
56 }
57 }
58
shapesscreen_event_handler(GX_WINDOW * window,GX_EVENT * myevent)59 UINT shapesscreen_event_handler(GX_WINDOW *window, GX_EVENT *myevent)
60 {
61 GX_WINDOW *pGraphicsWin = &shapes_screen.shapes_screen_graphics_window;
62
63 switch (myevent->gx_event_type)
64 {
65 case GX_EVENT_SHOW:
66 gx_window_event_process(window, myevent);
67 break;
68
69 case GX_SIGNAL(ID_BRUSH_ALPHA_SLIDER, GX_EVENT_SLIDER_VALUE):
70 brush_alpha = (GX_UBYTE )myevent->gx_event_payload.gx_event_longdata;
71 update_prompt_value(&shapes_screen.shapes_screen_prompt_12, brush_alpha);
72 gx_system_dirty_mark(pGraphicsWin);
73 break;
74
75 case GX_SIGNAL(ID_RADIUS_SLIDER, GX_EVENT_SLIDER_VALUE):
76 radius = myevent->gx_event_payload.gx_event_longdata;
77 update_prompt_value(&shapes_screen.shapes_screen_prompt_6, radius);
78 gx_system_dirty_mark(pGraphicsWin);
79 break;
80
81 case GX_SIGNAL(ID_BRUSH_WIDTH, GX_EVENT_SLIDER_VALUE):
82 brush_width = myevent->gx_event_payload.gx_event_longdata;
83 update_prompt_value(&shapes_screen.shapes_screen_prompt_12, brush_width);
84 gx_system_dirty_mark(pGraphicsWin);
85 break;
86
87 case GX_SIGNAL(ID_ANTI_ALIASED, GX_EVENT_TOGGLE_ON):
88 anti_aliased = GX_TRUE;
89 gx_system_dirty_mark(pGraphicsWin);
90 break;
91
92 case GX_SIGNAL(ID_ANTI_ALIASED, GX_EVENT_TOGGLE_OFF):
93 anti_aliased = GX_FALSE;
94 gx_system_dirty_mark(pGraphicsWin);
95 break;
96
97 case GX_SIGNAL(ID_ROUND_END, GX_EVENT_TOGGLE_ON):
98 round_end = GX_TRUE;
99 gx_system_dirty_mark(pGraphicsWin);
100 break;
101
102 case GX_SIGNAL(ID_ROUND_END, GX_EVENT_TOGGLE_OFF):
103 round_end = GX_FALSE;
104 gx_system_dirty_mark(pGraphicsWin);
105 break;
106
107 case GX_SIGNAL(ID_SOLID_FILL, GX_EVENT_TOGGLE_ON):
108 solid_fill = GX_TRUE;
109 gx_system_dirty_mark(pGraphicsWin);
110 break;
111
112 case GX_SIGNAL(ID_SOLID_FILL, GX_EVENT_TOGGLE_OFF):
113 solid_fill = GX_FALSE;
114 gx_system_dirty_mark(pGraphicsWin);
115 break;
116
117 case GX_SIGNAL(ID_PIXELMAP_FILL, GX_EVENT_TOGGLE_ON):
118 pixelmap_fill = GX_TRUE;
119 gx_system_dirty_mark(pGraphicsWin);
120 break;
121
122 case GX_SIGNAL(ID_PIXELMAP_FILL, GX_EVENT_TOGGLE_OFF):
123 pixelmap_fill = GX_FALSE;
124 gx_system_dirty_mark(pGraphicsWin);
125 break;
126
127 case GX_SIGNAL(ID_COMPRESS, GX_EVENT_TOGGLE_ON):
128 compress = 2;
129 gx_system_dirty_mark(pGraphicsWin);
130 break;
131
132 case GX_SIGNAL(ID_COMPRESS, GX_EVENT_TOGGLE_OFF):
133 compress = 0;
134 gx_system_dirty_mark(pGraphicsWin);
135 break;
136
137 case GX_SIGNAL(ID_ALPHA, GX_EVENT_TOGGLE_ON):
138 alpha = 1;
139 gx_system_dirty_mark(pGraphicsWin);
140 break;
141
142 case GX_SIGNAL(ID_ALPHA, GX_EVENT_TOGGLE_OFF):
143 alpha = 0;
144 gx_system_dirty_mark(pGraphicsWin);
145 break;
146
147 case GX_SIGNAL(ID_CIRCLE, GX_EVENT_RADIO_SELECT):
148 draw_shape = CIRCLE;
149 gx_system_dirty_mark(pGraphicsWin);
150 break;
151
152 case GX_SIGNAL(ID_ELLIPSE, GX_EVENT_RADIO_SELECT):
153 draw_shape = ELLIPSE;
154 gx_system_dirty_mark(pGraphicsWin);
155 break;
156
157 case GX_SIGNAL(ID_ARC, GX_EVENT_RADIO_SELECT):
158 draw_shape = ARC;
159 end_angle = start_angle;
160 gx_system_timer_start(pGraphicsWin, ARC_TIMER, ARC_TICKS, ARC_TICKS);
161 gx_system_dirty_mark(pGraphicsWin);
162 break;
163
164 case GX_SIGNAL(ID_PIE, GX_EVENT_RADIO_SELECT):
165 draw_shape = PIE;
166 gx_system_timer_start(pGraphicsWin, PIE_TIMER, PIE_TICKS, PIE_TICKS);
167 gx_system_dirty_mark(pGraphicsWin);
168 break;
169
170 case GX_SIGNAL(ID_POLYGON, GX_EVENT_RADIO_SELECT):
171 draw_shape = POLYGON;
172 gx_system_dirty_mark(pGraphicsWin);
173 break;
174
175 case GX_SIGNAL(ID_RECTANGLE, GX_EVENT_RADIO_SELECT):
176 draw_shape = RECTANGLE;
177 gx_system_dirty_mark(pGraphicsWin);
178 break;
179
180 case GX_EVENT_TIMER:
181 if (myevent->gx_event_payload.gx_event_timer_id == ARC_TIMER)
182 {
183 /* Update arc parameter. */
184 end_angle += 2;
185 if (end_angle == 360)
186 {
187 gx_system_timer_stop(pGraphicsWin, ARC_TIMER);
188 }
189 }
190 else if (myevent->gx_event_payload.gx_event_timer_id == PIE_TIMER)
191 {
192 /* Update pie parameter. */
193 angle_off += 2;
194 if (angle_off >= 360)
195 {
196 angle_off = 0;
197 }
198 gx_system_dirty_mark(pGraphicsWin);
199 }
200 break;
201
202 default:
203 return next_button_handler(window, myevent);
204 break;
205 }
206 fill_pixelmap_index = alpha + compress;
207
208 return 0;
209 }
210
211
212
graphics_draw(GX_WINDOW * window)213 VOID graphics_draw(GX_WINDOW *window)
214 {
215 ULONG brush_style = 0;
216 GX_RECTANGLE rect;
217 GX_POINT rectangle[4] = { { 188, 50 },{ 254, 50 },{ 254, 150 },{ 188, 150 } };
218 GX_POINT rectangle_1[4] = { { 300, 200 }, { 539, 200 }, { 530, 250 }, { 310, 250 } };
219 GX_POINT rectangle_2[4] = { { 300, 0 }, { 539, 0 }, { 530, 50 }, { 310, 50 } };
220 GX_POINT pentagon[5] = { { 310, 150 }, { 290, 90 },{ 335, 50 },{ 380, 90 },{ 360, 150 } };
221 GX_POINT concave[6] = { { 50, 50 },{ 90, 80 },{ 130, 50 },{ 130, 150 },{ 90, 110 },{ 50, 150 } };
222 GX_POINT star[10] = { { 173, 227 },{ 212, 227 },{ 223, 187 },{ 237, 227 },{ 273, 227 },{ 244, 253 },{ 256, 294 },{ 226, 270 },{ 192, 293 },{ 203, 253 } };
223 GX_POINT self_intersection[8] = { { 110, 321 },{ 189, 415 },{ 266, 321 },{ 334, 415 },{ 334, 321 },{ 264, 415 },{ 189, 321 },{ 110, 415 } };
224 GX_BRUSH *brush;
225
226 gx_context_brush_get(&brush);
227 gx_window_draw((GX_WINDOW*)window);
228 brush->gx_brush_alpha = brush_alpha;
229
230 if (anti_aliased)
231 {
232 brush_style |= GX_BRUSH_ALIAS;
233 }
234
235 if (solid_fill)
236 {
237 brush_style |= GX_BRUSH_SOLID_FILL;
238 }
239
240 if (pixelmap_fill)
241 {
242 brush_style |= GX_BRUSH_PIXELMAP_FILL;
243 gx_context_pixelmap_set(pixelmap_id[fill_pixelmap_index]);
244 }
245
246 if (round_end)
247 {
248 brush_style |= GX_BRUSH_ROUND;
249 }
250
251 gx_context_brush_define(line_color, fill_color, brush_style);
252 gx_context_brush_width_set(brush_width);
253
254
255 switch (draw_shape)
256 {
257
258 case CIRCLE:
259 gx_canvas_circle_draw(xcenter, ycenter, radius);
260 break;
261
262 case ARC:
263
264 gx_canvas_arc_draw(xcenter, ycenter, radius, start_angle, end_angle);
265 break;
266
267 case PIE:
268 gx_context_brush_define(GX_COLOR_ID_GRAY, GX_COLOR_ID_INDIAN_RED, brush_style);
269 gx_canvas_pie_draw(xcenter, ycenter, radius, 60 + angle_off, 150 + angle_off);
270
271 gx_context_brush_define(GX_COLOR_ID_GRAY, GX_COLOR_ID_YELLOW, brush_style);
272 gx_canvas_pie_draw(xcenter, ycenter, radius, 150 + angle_off, 200 + angle_off);
273
274 gx_context_brush_define(GX_COLOR_ID_GRAY, GX_COLOR_ID_PINK, brush_style);
275 gx_canvas_pie_draw(xcenter, ycenter, radius, 200 + angle_off, 280 + angle_off);
276
277 gx_context_brush_define(GX_COLOR_ID_GRAY, GX_COLOR_ID_PURPLE, brush_style);
278 gx_canvas_pie_draw(xcenter, ycenter, radius, 280 + angle_off, 60 + angle_off);
279 break;
280
281 case RECTANGLE:
282 gx_context_line_color_set(GX_COLOR_ID_INDIAN_RED);
283 gx_context_fill_color_set(GX_COLOR_ID_YELLOW);
284 rect = window->gx_widget_size;
285 gx_utility_rectangle_resize(&rect, -10);
286 gx_canvas_rectangle_draw(&rect);
287
288 gx_utility_rectangle_resize(&rect, -30);
289 gx_context_fill_color_set(GX_COLOR_ID_BROWN);
290 gx_canvas_rectangle_draw(&rect);
291
292 gx_utility_rectangle_resize(&rect, -30);
293 gx_context_line_color_set(GX_COLOR_ID_WHITE);
294 gx_context_fill_color_set(GX_COLOR_ID_BLACK);
295 gx_canvas_rectangle_draw(&rect);
296 break;
297
298 case POLYGON:
299 gx_context_brush_define(GX_COLOR_ID_GREEN, fill_color, brush_style);
300 gx_canvas_polygon_draw(rectangle, 4);
301 gx_canvas_polygon_draw(rectangle_1, 4);
302 gx_canvas_polygon_draw(rectangle_2, 4);
303 gx_canvas_polygon_draw(pentagon, 5);
304 gx_canvas_polygon_draw(concave, 6);
305 gx_canvas_polygon_draw(star, 10);
306 gx_canvas_polygon_draw(self_intersection, 8);
307 break;
308
309 case ELLIPSE:
310 gx_context_brush_define(GX_COLOR_ID_BROWN, GX_COLOR_ID_YELLOW, brush_style);
311 gx_canvas_ellipse_draw(xcenter, ycenter, radius, ellipse_b);
312 break;
313 }
314
315 }
