diff options
Diffstat (limited to 'libraries/evas/src/lib/canvas/evas_object_polygon.c')
-rw-r--r-- | libraries/evas/src/lib/canvas/evas_object_polygon.c | 554 |
1 files changed, 0 insertions, 554 deletions
diff --git a/libraries/evas/src/lib/canvas/evas_object_polygon.c b/libraries/evas/src/lib/canvas/evas_object_polygon.c deleted file mode 100644 index cbc1802..0000000 --- a/libraries/evas/src/lib/canvas/evas_object_polygon.c +++ /dev/null | |||
@@ -1,554 +0,0 @@ | |||
1 | #include "evas_common.h" | ||
2 | #include "evas_private.h" | ||
3 | |||
4 | /* private magic number for polygon objects */ | ||
5 | static const char o_type[] = "polygon"; | ||
6 | |||
7 | /* private struct for line object internal data */ | ||
8 | typedef struct _Evas_Object_Polygon Evas_Object_Polygon; | ||
9 | typedef struct _Evas_Polygon_Point Evas_Polygon_Point; | ||
10 | |||
11 | struct _Evas_Object_Polygon | ||
12 | { | ||
13 | DATA32 magic; | ||
14 | Eina_List *points; | ||
15 | void *engine_data; | ||
16 | struct { | ||
17 | int x, y; | ||
18 | } offset; | ||
19 | Evas_Coord_Rectangle geometry; | ||
20 | char changed : 1; | ||
21 | }; | ||
22 | |||
23 | struct _Evas_Polygon_Point | ||
24 | { | ||
25 | Evas_Coord x, y; | ||
26 | }; | ||
27 | |||
28 | /* private methods for polygon objects */ | ||
29 | static void evas_object_polygon_init(Evas_Object *obj); | ||
30 | static void *evas_object_polygon_new(void); | ||
31 | static void evas_object_polygon_render(Evas_Object *obj, void *output, void *context, void *surface, int x, int y); | ||
32 | static void evas_object_polygon_free(Evas_Object *obj); | ||
33 | static void evas_object_polygon_render_pre(Evas_Object *obj); | ||
34 | static void evas_object_polygon_render_post(Evas_Object *obj); | ||
35 | |||
36 | static unsigned int evas_object_polygon_id_get(Evas_Object *obj); | ||
37 | static unsigned int evas_object_polygon_visual_id_get(Evas_Object *obj); | ||
38 | static void *evas_object_polygon_engine_data_get(Evas_Object *obj); | ||
39 | |||
40 | static int evas_object_polygon_is_opaque(Evas_Object *obj); | ||
41 | static int evas_object_polygon_was_opaque(Evas_Object *obj); | ||
42 | static int evas_object_polygon_is_inside(Evas_Object *obj, Evas_Coord x, Evas_Coord y); | ||
43 | static int evas_object_polygon_was_inside(Evas_Object *obj, Evas_Coord x, Evas_Coord y); | ||
44 | |||
45 | static const Evas_Object_Func object_func = | ||
46 | { | ||
47 | /* methods (compulsory) */ | ||
48 | evas_object_polygon_free, | ||
49 | evas_object_polygon_render, | ||
50 | evas_object_polygon_render_pre, | ||
51 | evas_object_polygon_render_post, | ||
52 | evas_object_polygon_id_get, | ||
53 | evas_object_polygon_visual_id_get, | ||
54 | evas_object_polygon_engine_data_get, | ||
55 | /* these are optional. NULL = nothing */ | ||
56 | NULL, | ||
57 | NULL, | ||
58 | NULL, | ||
59 | NULL, | ||
60 | evas_object_polygon_is_opaque, | ||
61 | evas_object_polygon_was_opaque, | ||
62 | evas_object_polygon_is_inside, | ||
63 | evas_object_polygon_was_inside, | ||
64 | NULL, | ||
65 | NULL, | ||
66 | NULL, | ||
67 | NULL, | ||
68 | NULL | ||
69 | }; | ||
70 | |||
71 | /* the actual api call to add a rect */ | ||
72 | /* it has no other api calls as all properties are standard */ | ||
73 | |||
74 | EVAS_MEMPOOL(_mp_obj); | ||
75 | |||
76 | EAPI Evas_Object * | ||
77 | evas_object_polygon_add(Evas *e) | ||
78 | { | ||
79 | Evas_Object *obj; | ||
80 | |||
81 | MAGIC_CHECK(e, Evas, MAGIC_EVAS); | ||
82 | return NULL; | ||
83 | MAGIC_CHECK_END(); | ||
84 | obj = evas_object_new(e); | ||
85 | evas_object_polygon_init(obj); | ||
86 | evas_object_inject(obj, e); | ||
87 | return obj; | ||
88 | } | ||
89 | |||
90 | EAPI void | ||
91 | evas_object_polygon_point_add(Evas_Object *obj, Evas_Coord x, Evas_Coord y) | ||
92 | { | ||
93 | Evas_Object_Polygon *o; | ||
94 | Evas_Polygon_Point *p; | ||
95 | Evas_Coord min_x, max_x, min_y, max_y; | ||
96 | int is, was = 0; | ||
97 | |||
98 | MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ); | ||
99 | return; | ||
100 | MAGIC_CHECK_END(); | ||
101 | o = (Evas_Object_Polygon *)(obj->object_data); | ||
102 | MAGIC_CHECK(o, Evas_Object_Polygon, MAGIC_OBJ_POLYGON); | ||
103 | return; | ||
104 | MAGIC_CHECK_END(); | ||
105 | |||
106 | if (obj->layer->evas->events_frozen <= 0) | ||
107 | { | ||
108 | if (!evas_event_passes_through(obj) && | ||
109 | !evas_event_freezes_through(obj)) | ||
110 | was = evas_object_is_in_output_rect(obj, | ||
111 | obj->layer->evas->pointer.x, | ||
112 | obj->layer->evas->pointer.y, | ||
113 | 1, 1); | ||
114 | } | ||
115 | if (!o->points) | ||
116 | { | ||
117 | o->offset.x = obj->cur.geometry.x; | ||
118 | o->offset.y = obj->cur.geometry.y; | ||
119 | } | ||
120 | else | ||
121 | { | ||
122 | /* Update all points and take offset into account. */ | ||
123 | Eina_List *over; | ||
124 | |||
125 | EINA_LIST_FOREACH(o->points, over, p) | ||
126 | { | ||
127 | p->x += o->offset.x; | ||
128 | p->y += o->offset.y; | ||
129 | } | ||
130 | } | ||
131 | |||
132 | p = malloc(sizeof(Evas_Polygon_Point)); | ||
133 | if (!p) return; | ||
134 | p->x = x + o->offset.x; | ||
135 | p->y = y + o->offset.y; | ||
136 | |||
137 | if (!o->points) | ||
138 | { | ||
139 | obj->cur.geometry.x = p->x; | ||
140 | obj->cur.geometry.y = p->y; | ||
141 | obj->cur.geometry.w = 2; | ||
142 | obj->cur.geometry.h = 2; | ||
143 | } | ||
144 | else | ||
145 | { | ||
146 | if (p->x < obj->cur.geometry.x) min_x = p->x; | ||
147 | else min_x = obj->cur.geometry.x; | ||
148 | if (p->x > (obj->cur.geometry.x + obj->cur.geometry.w - 2)) | ||
149 | max_x = p->x; | ||
150 | else max_x = obj->cur.geometry.x + obj->cur.geometry.w - 2; | ||
151 | if (p->y < obj->cur.geometry.y) min_y = p->y; | ||
152 | else min_y = obj->cur.geometry.y; | ||
153 | if (p->y > (obj->cur.geometry.y + obj->cur.geometry.h - 2)) | ||
154 | max_y = p->y; | ||
155 | else max_y = obj->cur.geometry.y + obj->cur.geometry.h - 2; | ||
156 | obj->cur.geometry.x = min_x; | ||
157 | obj->cur.geometry.y = min_y; | ||
158 | obj->cur.geometry.w = max_x - min_x + 2; | ||
159 | obj->cur.geometry.h = max_y - min_y + 2; | ||
160 | } | ||
161 | o->points = eina_list_append(o->points, p); | ||
162 | |||
163 | o->geometry = obj->cur.geometry; | ||
164 | o->offset.x = 0; | ||
165 | o->offset.y = 0; | ||
166 | |||
167 | //// obj->cur.cache.geometry.validity = 0; | ||
168 | o->changed = EINA_TRUE; | ||
169 | evas_object_change(obj); | ||
170 | evas_object_clip_dirty(obj); | ||
171 | evas_object_coords_recalc(obj); | ||
172 | if (obj->layer->evas->events_frozen <= 0) | ||
173 | { | ||
174 | is = evas_object_is_in_output_rect(obj, | ||
175 | obj->layer->evas->pointer.x, | ||
176 | obj->layer->evas->pointer.y, 1, 1); | ||
177 | if (!evas_event_passes_through(obj) && | ||
178 | !evas_event_freezes_through(obj) ) | ||
179 | { | ||
180 | if ((is ^ was) && obj->cur.visible) | ||
181 | evas_event_feed_mouse_move(obj->layer->evas, | ||
182 | obj->layer->evas->pointer.x, | ||
183 | obj->layer->evas->pointer.y, | ||
184 | obj->layer->evas->last_timestamp, | ||
185 | NULL); | ||
186 | } | ||
187 | } | ||
188 | evas_object_inform_call_move(obj); | ||
189 | evas_object_inform_call_resize(obj); | ||
190 | } | ||
191 | |||
192 | EAPI void | ||
193 | evas_object_polygon_points_clear(Evas_Object *obj) | ||
194 | { | ||
195 | Evas_Object_Polygon *o; | ||
196 | int is, was; | ||
197 | |||
198 | MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ); | ||
199 | return; | ||
200 | MAGIC_CHECK_END(); | ||
201 | o = (Evas_Object_Polygon *)(obj->object_data); | ||
202 | MAGIC_CHECK(o, Evas_Object_Polygon, MAGIC_OBJ_POLYGON); | ||
203 | return; | ||
204 | MAGIC_CHECK_END(); | ||
205 | was = evas_object_is_in_output_rect(obj, | ||
206 | obj->layer->evas->pointer.x, | ||
207 | obj->layer->evas->pointer.y, 1, 1); | ||
208 | while (o->points) | ||
209 | { | ||
210 | free(o->points->data); | ||
211 | o->points = eina_list_remove(o->points, o->points->data); | ||
212 | } | ||
213 | obj->cur.geometry.x = 0; | ||
214 | obj->cur.geometry.y = 0; | ||
215 | obj->cur.geometry.w = 0; | ||
216 | obj->cur.geometry.h = 0; | ||
217 | //// obj->cur.cache.geometry.validity = 0; | ||
218 | o->changed = EINA_TRUE; | ||
219 | evas_object_change(obj); | ||
220 | evas_object_clip_dirty(obj); | ||
221 | evas_object_coords_recalc(obj); | ||
222 | is = evas_object_is_in_output_rect(obj, | ||
223 | obj->layer->evas->pointer.x, | ||
224 | obj->layer->evas->pointer.y, 1, 1); | ||
225 | if ((is || was) && obj->cur.visible) | ||
226 | evas_event_feed_mouse_move(obj->layer->evas, | ||
227 | obj->layer->evas->pointer.x, | ||
228 | obj->layer->evas->pointer.y, | ||
229 | obj->layer->evas->last_timestamp, | ||
230 | NULL); | ||
231 | evas_object_inform_call_move(obj); | ||
232 | evas_object_inform_call_resize(obj); | ||
233 | } | ||
234 | |||
235 | /* all nice and private */ | ||
236 | static void | ||
237 | evas_object_polygon_init(Evas_Object *obj) | ||
238 | { | ||
239 | /* alloc image ob, setup methods and default values */ | ||
240 | obj->object_data = evas_object_polygon_new(); | ||
241 | /* set up default settings for this kind of object */ | ||
242 | obj->cur.color.r = 255; | ||
243 | obj->cur.color.g = 255; | ||
244 | obj->cur.color.b = 255; | ||
245 | obj->cur.color.a = 255; | ||
246 | obj->cur.geometry.x = 0; | ||
247 | obj->cur.geometry.y = 0; | ||
248 | obj->cur.geometry.w = 0; | ||
249 | obj->cur.geometry.h = 0; | ||
250 | obj->cur.layer = 0; | ||
251 | /* set up object-specific settings */ | ||
252 | obj->prev = obj->cur; | ||
253 | /* set up methods (compulsory) */ | ||
254 | obj->func = &object_func; | ||
255 | obj->type = o_type; | ||
256 | } | ||
257 | |||
258 | static void * | ||
259 | evas_object_polygon_new(void) | ||
260 | { | ||
261 | Evas_Object_Polygon *o; | ||
262 | |||
263 | /* alloc obj private data */ | ||
264 | EVAS_MEMPOOL_INIT(_mp_obj, "evas_object_polygon", Evas_Object_Polygon, 32, NULL); | ||
265 | o = EVAS_MEMPOOL_ALLOC(_mp_obj, Evas_Object_Polygon); | ||
266 | if (!o) return NULL; | ||
267 | EVAS_MEMPOOL_PREP(_mp_obj, o, Evas_Object_Polygon); | ||
268 | o->magic = MAGIC_OBJ_POLYGON; | ||
269 | return o; | ||
270 | } | ||
271 | |||
272 | static void | ||
273 | evas_object_polygon_free(Evas_Object *obj) | ||
274 | { | ||
275 | Evas_Object_Polygon *o; | ||
276 | |||
277 | /* frees private object data. very simple here */ | ||
278 | o = (Evas_Object_Polygon *)(obj->object_data); | ||
279 | MAGIC_CHECK(o, Evas_Object_Polygon, MAGIC_OBJ_POLYGON); | ||
280 | return; | ||
281 | MAGIC_CHECK_END(); | ||
282 | /* free obj */ | ||
283 | while (o->points) | ||
284 | { | ||
285 | free(o->points->data); | ||
286 | o->points = eina_list_remove(o->points, o->points->data); | ||
287 | } | ||
288 | o->engine_data = obj->layer->evas->engine.func->polygon_points_clear(obj->layer->evas->engine.data.output, | ||
289 | obj->layer->evas->engine.data.context, | ||
290 | o->engine_data); | ||
291 | o->magic = 0; | ||
292 | EVAS_MEMPOOL_FREE(_mp_obj, o); | ||
293 | } | ||
294 | |||
295 | static void | ||
296 | evas_object_polygon_render(Evas_Object *obj, void *output, void *context, void *surface, int x, int y) | ||
297 | { | ||
298 | Evas_Object_Polygon *o; | ||
299 | Eina_List *l; | ||
300 | Evas_Polygon_Point *p; | ||
301 | |||
302 | /* render object to surface with context, and offxet by x,y */ | ||
303 | o = (Evas_Object_Polygon *)(obj->object_data); | ||
304 | obj->layer->evas->engine.func->context_color_set(output, | ||
305 | context, | ||
306 | obj->cur.cache.clip.r, | ||
307 | obj->cur.cache.clip.g, | ||
308 | obj->cur.cache.clip.b, | ||
309 | obj->cur.cache.clip.a); | ||
310 | obj->layer->evas->engine.func->context_multiplier_unset(output, | ||
311 | context); | ||
312 | obj->layer->evas->engine.func->context_render_op_set(output, context, | ||
313 | obj->cur.render_op); | ||
314 | if (o->changed) | ||
315 | { | ||
316 | o->engine_data = obj->layer->evas->engine.func->polygon_points_clear(obj->layer->evas->engine.data.output, | ||
317 | obj->layer->evas->engine.data.context, | ||
318 | o->engine_data); | ||
319 | EINA_LIST_FOREACH(o->points, l, p) | ||
320 | { | ||
321 | //px = evas_coord_world_x_to_screen(obj->layer->evas, p->x); | ||
322 | //py = evas_coord_world_y_to_screen(obj->layer->evas, p->y); | ||
323 | o->engine_data = obj->layer->evas->engine.func->polygon_point_add(obj->layer->evas->engine.data.output, | ||
324 | obj->layer->evas->engine.data.context, | ||
325 | o->engine_data, | ||
326 | p->x, p->y); | ||
327 | } | ||
328 | } | ||
329 | |||
330 | if (o->engine_data) | ||
331 | obj->layer->evas->engine.func->polygon_draw(output, | ||
332 | context, | ||
333 | surface, | ||
334 | o->engine_data, | ||
335 | o->offset.x + x, o->offset.y + y); | ||
336 | } | ||
337 | |||
338 | static void | ||
339 | evas_object_polygon_render_pre(Evas_Object *obj) | ||
340 | { | ||
341 | Evas_Object_Polygon *o; | ||
342 | int is_v, was_v; | ||
343 | |||
344 | /* dont pre-render the obj twice! */ | ||
345 | if (obj->pre_render_done) return; | ||
346 | obj->pre_render_done = 1; | ||
347 | /* pre-render phase. this does anything an object needs to do just before */ | ||
348 | /* rendering. this could mean loading the image data, retrieving it from */ | ||
349 | /* elsewhere, decoding video etc. */ | ||
350 | /* then when this is done the object needs to figure if it changed and */ | ||
351 | /* if so what and where and add the appropriate redraw lines */ | ||
352 | o = (Evas_Object_Polygon *)(obj->object_data); | ||
353 | /* if someone is clipping this obj - go calculate the clipper */ | ||
354 | if (obj->cur.clipper) | ||
355 | { | ||
356 | if (obj->cur.cache.clip.dirty) | ||
357 | evas_object_clip_recalc(obj->cur.clipper); | ||
358 | obj->cur.clipper->func->render_pre(obj->cur.clipper); | ||
359 | } | ||
360 | /* now figure what changed and add draw rects */ | ||
361 | /* if it just became visible or invisible */ | ||
362 | is_v = evas_object_is_visible(obj); | ||
363 | was_v = evas_object_was_visible(obj); | ||
364 | if (is_v != was_v) | ||
365 | { | ||
366 | evas_object_render_pre_visible_change(&obj->layer->evas->clip_changes, obj, is_v, was_v); | ||
367 | goto done; | ||
368 | } | ||
369 | if ((obj->cur.map != obj->prev.map) || | ||
370 | (obj->cur.usemap != obj->prev.usemap)) | ||
371 | { | ||
372 | evas_object_render_pre_prev_cur_add(&obj->layer->evas->clip_changes, obj); | ||
373 | goto done; | ||
374 | } | ||
375 | /* it's not visible - we accounted for it appearing or not so just abort */ | ||
376 | if (!is_v) goto done; | ||
377 | /* clipper changed this is in addition to anything else for obj */ | ||
378 | evas_object_render_pre_clipper_change(&obj->layer->evas->clip_changes, obj); | ||
379 | /* if we restacked (layer or just within a layer) */ | ||
380 | if (obj->restack) | ||
381 | { | ||
382 | evas_object_render_pre_prev_cur_add(&obj->layer->evas->clip_changes, obj); | ||
383 | goto done; | ||
384 | } | ||
385 | /* if it changed render op */ | ||
386 | if (obj->cur.render_op != obj->prev.render_op) | ||
387 | { | ||
388 | evas_object_render_pre_prev_cur_add(&obj->layer->evas->clip_changes, obj); | ||
389 | goto done; | ||
390 | } | ||
391 | /* if it changed color */ | ||
392 | if ((obj->cur.color.r != obj->prev.color.r) || | ||
393 | (obj->cur.color.g != obj->prev.color.g) || | ||
394 | (obj->cur.color.b != obj->prev.color.b) || | ||
395 | (obj->cur.color.a != obj->prev.color.a)) | ||
396 | { | ||
397 | evas_object_render_pre_prev_cur_add(&obj->layer->evas->clip_changes, obj); | ||
398 | goto done; | ||
399 | } | ||
400 | /* if it changed geometry - and obviously not visibility or color */ | ||
401 | /* calculate differences since we have a constant color fill */ | ||
402 | /* we really only need to update the differences */ | ||
403 | if ((obj->cur.geometry.x != obj->prev.geometry.x) || | ||
404 | (obj->cur.geometry.y != obj->prev.geometry.y) || | ||
405 | (obj->cur.geometry.w != obj->prev.geometry.w) || | ||
406 | (obj->cur.geometry.h != obj->prev.geometry.h) || | ||
407 | (o->changed)) | ||
408 | { | ||
409 | evas_object_render_pre_prev_cur_add(&obj->layer->evas->clip_changes, obj); | ||
410 | goto done; | ||
411 | } | ||
412 | done: | ||
413 | if ((obj->cur.geometry.x != obj->prev.geometry.x) || | ||
414 | (obj->cur.geometry.y != obj->prev.geometry.y)) | ||
415 | { | ||
416 | if (!o->changed) | ||
417 | { | ||
418 | o->offset.x += obj->cur.geometry.x - obj->prev.geometry.x; | ||
419 | o->offset.y += obj->cur.geometry.y - obj->prev.geometry.y; | ||
420 | } | ||
421 | else | ||
422 | { | ||
423 | o->offset.x += obj->cur.geometry.x - o->geometry.x; | ||
424 | o->offset.y += obj->cur.geometry.y - o->geometry.y; | ||
425 | } | ||
426 | } | ||
427 | evas_object_render_pre_effect_updates(&obj->layer->evas->clip_changes, obj, is_v, was_v); | ||
428 | } | ||
429 | |||
430 | static void | ||
431 | evas_object_polygon_render_post(Evas_Object *obj) | ||
432 | { | ||
433 | Evas_Object_Polygon *o; | ||
434 | |||
435 | /* this moves the current data to the previous state parts of the object */ | ||
436 | /* in whatever way is safest for the object. also if we don't need object */ | ||
437 | /* data anymore we can free it if the object deems this is a good idea */ | ||
438 | o = (Evas_Object_Polygon *)(obj->object_data); | ||
439 | /* remove those pesky changes */ | ||
440 | evas_object_clip_changes_clean(obj); | ||
441 | /* move cur to prev safely for object data */ | ||
442 | obj->prev = obj->cur; | ||
443 | o->changed = 0; | ||
444 | } | ||
445 | |||
446 | static unsigned int evas_object_polygon_id_get(Evas_Object *obj) | ||
447 | { | ||
448 | Evas_Object_Polygon *o; | ||
449 | |||
450 | o = (Evas_Object_Polygon *)(obj->object_data); | ||
451 | if (!o) return 0; | ||
452 | return MAGIC_OBJ_POLYGON; | ||
453 | } | ||
454 | |||
455 | static unsigned int evas_object_polygon_visual_id_get(Evas_Object *obj) | ||
456 | { | ||
457 | Evas_Object_Polygon *o; | ||
458 | |||
459 | o = (Evas_Object_Polygon *)(obj->object_data); | ||
460 | if (!o) return 0; | ||
461 | return MAGIC_OBJ_SHAPE; | ||
462 | } | ||
463 | |||
464 | static void *evas_object_polygon_engine_data_get(Evas_Object *obj) | ||
465 | { | ||
466 | Evas_Object_Polygon *o; | ||
467 | |||
468 | o = (Evas_Object_Polygon *)(obj->object_data); | ||
469 | if (!o) return NULL; | ||
470 | return o->engine_data; | ||
471 | } | ||
472 | |||
473 | static int | ||
474 | evas_object_polygon_is_opaque(Evas_Object *obj __UNUSED__) | ||
475 | { | ||
476 | /* this returns 1 if the internal object data implies that the object is */ | ||
477 | /* currently fully opaque over the entire line it occupies */ | ||
478 | return 0; | ||
479 | } | ||
480 | |||
481 | static int | ||
482 | evas_object_polygon_was_opaque(Evas_Object *obj __UNUSED__) | ||
483 | { | ||
484 | /* this returns 1 if the internal object data implies that the object was */ | ||
485 | /* previously fully opaque over the entire line it occupies */ | ||
486 | return 0; | ||
487 | } | ||
488 | |||
489 | /* We count the number of edges a "ray" 90 degs upwards from our point | ||
490 | * intersects with. If it's even, we are outside of the polygon, if it's odd, | ||
491 | * we are inside of it. */ | ||
492 | static int | ||
493 | evas_object_polygon_is_inside(Evas_Object *obj, Evas_Coord x, Evas_Coord y) | ||
494 | { | ||
495 | Evas_Object_Polygon *o; | ||
496 | int num_edges = 0; /* Number of edges we crossed */ | ||
497 | Eina_List *itr; | ||
498 | Evas_Polygon_Point *p; | ||
499 | |||
500 | o = (Evas_Object_Polygon *)(obj->object_data); | ||
501 | if (!o) return 0; | ||
502 | if (!o->points) return 0; | ||
503 | |||
504 | /* Adjust X and Y according to current geometry */ | ||
505 | x -= o->offset.x; | ||
506 | y -= o->offset.y; | ||
507 | |||
508 | if (eina_list_count(o->points) == 1) | ||
509 | { | ||
510 | p = eina_list_data_get(o->points); | ||
511 | return ((p->x == x) && (p->y == y)); | ||
512 | } | ||
513 | |||
514 | EINA_LIST_FOREACH(o->points, itr, p) | ||
515 | { | ||
516 | Evas_Coord line_y; | ||
517 | Eina_List *next = eina_list_next(itr); | ||
518 | Evas_Polygon_Point *p_next; | ||
519 | /* Get the next, or if there's no next, take the first */ | ||
520 | if (next) | ||
521 | { | ||
522 | p_next = eina_list_data_get(next); | ||
523 | } | ||
524 | else | ||
525 | { | ||
526 | p_next = eina_list_data_get(o->points); | ||
527 | } | ||
528 | |||
529 | /* Make sure that we are directly below the edge, | ||
530 | * and that p->x != p_next->x */ | ||
531 | if (((p->x < p_next->x) && (p->x <= x) && (x < p_next->x)) || | ||
532 | ((p->x > p_next->x) && (p_next->x < x) && (x <= p->x))) | ||
533 | { | ||
534 | line_y = ((double) (p->y - p_next->y) / | ||
535 | (double) (p->x - p_next->x)) * | ||
536 | (x - p_next->x) + p_next->y; | ||
537 | /* We crossed that edge if the line is directly above us */ | ||
538 | if (line_y < y) | ||
539 | num_edges++; | ||
540 | } | ||
541 | } | ||
542 | |||
543 | /* Return true if num_edges is odd */ | ||
544 | return ((num_edges % 2) == 1); | ||
545 | } | ||
546 | |||
547 | static int | ||
548 | evas_object_polygon_was_inside(Evas_Object *obj __UNUSED__, Evas_Coord x __UNUSED__, Evas_Coord y __UNUSED__) | ||
549 | { | ||
550 | /* this returns 1 if the canvas co-ordinates were inside the object based */ | ||
551 | /* on object private data. not much use for rects, but for polys, images */ | ||
552 | /* and other complex objects it might be */ | ||
553 | return 1; | ||
554 | } | ||