1 #include <Elementary.h>
3 # include "elementary_config.h"
5 #ifndef ELM_LIB_QUICKLAUNCH
9 typedef struct _State State;
10 typedef struct _Slice Slice;
12 typedef struct _Vertex2 Vertex2;
13 typedef struct _Vertex3 Vertex3;
17 Evas_Object *orig, *win;
18 Evas_Coord down_x, down_y;
33 double x[4], y[4], z[4];
63 sl = calloc(1, sizeof(Slice));
65 sl->obj = evas_object_image_add(evas_object_evas_get(st->win));
66 evas_object_image_smooth_scale_set(sl->obj, 0);
67 evas_object_pass_events_set(sl->obj, 1);
68 evas_object_image_source_set(sl->obj, st->orig);
69 evas_object_show(sl->obj);
74 _slice_free(Slice *sl)
76 evas_object_del(sl->obj);
81 _slice_apply(Slice *sl, Evas_Coord x, Evas_Coord y, Evas_Coord w, Evas_Coord h)
87 evas_map_smooth_set(m, 0);
89 for (i = 0; i < 4; i++)
91 evas_map_point_coord_set(m, i, x + sl->x[i], y + sl->y[i], sl->z[i]);
92 evas_map_point_image_uv_set(m, i, sl->u[i] , sl->v[i]);
93 evas_map_point_color_set(m, i, 255, 255, 255, 255);
96 evas_map_util_3d_perspective(m, x + (w / 2), y + (h / 2), 0, 1024);
99 // FIXME: lighting should be manual with pt 0 and 3 being white and
100 // 2 and 3 matching the
101 evas_map_util_3d_lighting(m,
107 evas_object_map_enable_set(sl->obj, EINA_TRUE);
108 evas_object_image_fill_set(sl->obj, 0, 0, w, h);
109 evas_object_map_set(sl->obj, m);
114 _slice_xyz(Slice *sl,
115 double x1, double y1, double z1,
116 double x2, double y2, double z2,
117 double x3, double y3, double z3,
118 double x4, double y4, double z4)
120 sl->x[0] = x1; sl->y[0] = y1; sl->z[0] = z1;
121 sl->x[1] = x2; sl->y[1] = y2; sl->z[1] = z2;
122 sl->x[2] = x3; sl->y[2] = y3; sl->z[2] = z3;
123 sl->x[3] = x4; sl->y[3] = y4; sl->z[3] = z4;
128 double u1, double v1,
129 double u2, double v2,
130 double u3, double v3,
131 double u4, double v4)
133 sl->u[0] = u1; sl->v[0] = v1;
134 sl->u[1] = u2; sl->v[1] = v2;
135 sl->u[2] = u3; sl->v[2] = v3;
136 sl->u[3] = u4; sl->v[3] = v4;
140 _deform_point(Vertex2 *vi, Vertex3 *vo, double rho, double theta, double A)
146 // theta == cone angle (0 -> PI/2)
147 // A == distance of cone apex from origin
148 // rho == angle of cone from vertical axis (...-PI/2 to PI/2...)
152 d = sqrt((vi->x * vi->x) + pow(vi->y - A, 2));
154 b = asin(vi->x / d) / sin(theta);
157 v1.y = d + A - (r * (1 - cos(b)) * sin(theta));
158 v1.z = r * (1 - cos(b)) * cos(theta);
160 vo->x = (v1.x * cos(rho)) - (v1.z * sin(rho));
162 vo->z = (v1.x * sin(rho)) + (v1.z * cos(rho));
166 _slice_update(State *st)
168 Evas_Coord x1, y1, x2, y2, mx, my, px, rx, ry, prx, pry, dst, dx, dy, pdst;
169 Evas_Coord x, y, w, h;
174 evas_object_geometry_get(st->orig, &x, &y, &w, &h);
179 if (x2 >= x1) x2 = x1 - 1;
184 else if (mx >= w) mx = w - 1;
186 else if (my >= h) my = h - 1;
190 dst = sqrt((dx * dx) + (dy * dy));
193 // FIXME: clean up old objects
198 // MAGIC MATH STUFF!!!
200 double b = (h / 2), minv = 0.0;
201 double mgrad = (double)(y1 - y2) / (double)(x1 - x2);
202 Evas_Coord slx1, slx2, sly;
203 int gx, gy, gsz, gw, gh;
204 double rho, A, theta, perc, percm, n, cd;
206 if (mx < 1) mx = 1; // quick hack to keep curl line visible
208 if (mgrad == 0.0) // special horizontal case
209 mgrad = 0.001; // quick dirty hack for now
214 b = my + (minv * mx);
216 if ((b >= -5) && (b <= (h + 5)))
218 if (minv > 0.0) // clamp to h
220 minv = (double)(h + 5 - my) / (double)(mx);
221 b = my + (minv * mx);
225 minv = (double)(-5 - my) / (double)(mx);
226 b = my + (minv * mx);
231 static Evas_Object *ol = NULL;
232 Evas_Coord lx1, ly1, lx2, ly2;
233 if (!ol) ol = evas_object_line_add(evas_object_evas_get(st->win));
234 evas_object_color_set(ol, 128, 0, 0, 128);
238 ly2 = y + b + (-minv * w);
239 evas_object_line_xy_set(ol, lx1, ly1, lx2, ly2);
240 evas_object_show(ol);
242 EINA_LIST_FREE(st->slices, sl) _slice_free(sl);
244 perc = (double)x2 / (double)x1;
245 percm = (double)mx / (double)x1;
246 if (perc < 0.0) perc = 0.0;
247 else if (perc > 1.0) perc = 1.0;
248 if (percm < 0.0) percm = 0.0;
249 else if (percm > 1.0) percm = 1.0;
251 // rho = is how much the page is turned
253 n = 1.0 - cos(n * M_PI / 2.0);
257 // theta == curliness (how much page culrs in on itself
258 n = sin(perc * M_PI);
259 // cd = (double)dy / (double)h;
260 // if (cd < 0.0) cd = -cd;
263 n = (n * 1.2) + (cd * 1.6);
264 if (n > 2.0) n = 2.0;
271 for (gx = 0; gx < w; gx += gsz)
273 for (gy = 0; gy < h; gy += gsz)
279 if ((gx + gw) > w) gw = w - gx;
280 if ((gy + gh) > h) gh = h - gy;
282 vi[0].x = gx; vi[0].y = gy;
283 vi[1].x = gx + gw; vi[1].y = gy;
284 vi[2].x = gx + gw; vi[2].y = gy + gh;
285 vi[3].x = gx; vi[3].y = gy + gh;
286 for (i = 0; i < 4; i++)
287 _deform_point(&(vi[i]), &(vo[i]), rho, theta, A);
292 #define SWPV3(a, b) do {vt = (a); (a) = (b); (b) = vt;} while (0)
295 vo[0].y = h - vo[0].y;
296 vo[1].y = h - vo[1].y;
297 vo[2].y = h - vo[2].y;
298 vo[3].y = h - vo[3].y;
302 vo[0].x, vo[0].y, vo[0].z,
303 vo[1].x, vo[1].y, vo[1].z,
304 vo[2].x, vo[2].y, vo[2].z,
305 vo[3].x, vo[3].y, vo[3].z);
309 gx + gw, gy + gh, gx, gy + gh);
312 gx, h - (gy + gh), gx + gw, h - (gy + gh),
313 gx + gw, h - gy, gx, h - gy);
314 _slice_apply(sl, x, y, w, h);
315 st->slices = eina_list_append(st->slices, sl);
320 if (!st->base) st->base = _slice_new(st);
333 _slice_apply(sl, x, y, w, h);
335 EINA_LIST_FREE(st->slices, sl) _slice_free(sl);
337 // cylinder radius is width / 8
339 if (rad < (w / 16)) rad = (w / 16);
340 if (rad > (w / 8)) rad = w / 8;
347 for (i = 1; i < RES; i++)
349 rx = (double)rad * sin((i * M_PI) / RES);
350 ry = (double)rad * cos((i * M_PI) / RES);
353 dst = sqrt((dx * dx) + (dy * dy));
358 rx = prx + (((rx - prx) * dst) / pdst);
359 ry = pry + (((ry - pry) * dst) / pdst);
366 mx + prx, 0, -(rad - pry),
367 mx + rx, 0, -(rad - ry),
368 mx + rx, h, -(rad - ry),
369 mx + prx, h, -(rad - pry));
375 _slice_apply(sl, x, y, w, h);
376 st->slices = eina_list_append(st->slices, sl);
387 mx + prx, 0, -(rad - pry),
388 mx + (px - w), 0, -(rad * 2),
389 mx + (px - w), h, -(rad * 2),
390 mx + prx, h, -(rad - pry));
396 _slice_apply(sl, x, y, w, h);
397 st->slices = eina_list_append(st->slices, sl);
404 _slice_end(State *st)
408 if (st->base) _slice_free(st->base);
410 if (st->base2) _slice_free(st->base2);
412 EINA_LIST_FREE(st->slices, sl) _slice_free(sl);
426 static Evas_Object *sl_rho, *sl_theta, *sl_A;
431 static Eina_List *pts = NULL;
435 Evas_Coord x, y, w, h;
438 EINA_LIST_FREE(pts, o) evas_object_del(o);
440 evas_object_geometry_get(st->orig, &x, &y, &w, &h);
441 for (j = 0; j < h; j += 20)
443 for (i = 0; i < w; i += 20)
447 double rho, theta, A, n;
451 rho = elm_slider_value_get(sl_rho);
452 A = elm_slider_value_get(sl_A);
453 theta = elm_slider_value_get(sl_theta);
455 _deform_point(&vi, &vo, rho, theta, A);
457 o = evas_object_image_add(evas_object_evas_get(st->win));
458 evas_object_image_smooth_scale_set(o, 0);
459 evas_object_pass_events_set(o, 1);
460 evas_object_image_source_set(o, st->orig);
464 evas_map_smooth_set(m, 0);
467 evas_map_point_coord_set(m, k, x + vo.x, y + vo.y, -vo.z);
468 evas_map_point_image_uv_set(m, k, 0 , 0);
469 evas_map_point_color_set(m, k, 255, 255, 255, 255);
471 evas_map_point_coord_set(m, k, x + vo.x + 10, y + vo.y, -vo.z);
472 evas_map_point_image_uv_set(m, k, w , 0);
473 evas_map_point_color_set(m, k, 255, 255, 255, 255);
475 evas_map_point_coord_set(m, k, x + vo.x + 10, y + vo.y + 10, -vo.z);
476 evas_map_point_image_uv_set(m, k, w , h);
477 evas_map_point_color_set(m, k, 255, 255, 255, 255);
479 evas_map_point_coord_set(m, k, x + vo.x, y + vo.y + 10, -vo.z);
480 evas_map_point_image_uv_set(m, k, 0 , h);
481 evas_map_point_color_set(m, k, 255, 255, 255, 255);
484 evas_map_util_3d_perspective(m, x + (w / 2), y + (h / 2), 0, 1024);
486 evas_object_map_enable_set(o, EINA_TRUE);
487 evas_object_image_fill_set(o, 0, 0, w, h);
488 evas_object_map_set(o, m);
491 pts = eina_list_append(pts, o);
497 _sl_ch(void *data __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
514 im_down_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj, void *event_info)
516 Evas_Event_Mouse_Down *ev = event_info;
517 Evas_Object *win = data;
520 if (ev->button != 1) return;
521 evas_object_geometry_get(obj, &x, &y, NULL, NULL);
525 state.x = ev->canvas.x - x;
526 state.y = ev->canvas.y - y;
527 state.down_x = state.x;
528 state.down_y = state.y;
529 if (_slice_update(&state))
530 evas_object_lower(obj);
531 printf("v %i %i\n", state.x, state.y);
535 im_up_cb(void *data __UNUSED__, Evas *e __UNUSED__, Evas_Object *obj, void *event_info)
537 Evas_Event_Mouse_Up *ev = event_info;
540 if (ev->button != 1) return;
541 evas_object_geometry_get(obj, &x, &y, NULL, NULL);
543 state.x = ev->canvas.x - x;
544 state.y = ev->canvas.y - y;
545 evas_object_raise(obj);
546 printf("^ %i %i\n", state.x, state.y);
551 im_move_cb(void *data __UNUSED__, Evas *e __UNUSED__, Evas_Object *obj, void *event_info)
553 Evas_Event_Mouse_Move *ev = event_info;
556 if (!state.down) return;
557 evas_object_geometry_get(obj, &x, &y, NULL, NULL);
558 state.x = ev->cur.canvas.x - x;
559 state.y = ev->cur.canvas.y - y;
560 printf("@ %i %i\n", state.x, state.y);
561 if (_slice_update(&state))
562 evas_object_lower(obj);
566 test_flip_page(void *data __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
568 Evas_Object *win, *bg, *im;
571 win = elm_win_add(NULL, "flip_page", ELM_WIN_BASIC);
572 elm_win_title_set(win, "Flip Page");
573 elm_win_focus_highlight_enabled_set(win, EINA_TRUE);
574 elm_win_autodel_set(win, 1);
576 bg = elm_bg_add(win);
577 elm_win_resize_object_add(win, bg);
578 evas_object_size_hint_weight_set(bg, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
579 evas_object_show(bg);
582 im = elm_layout_add(win);
583 snprintf(buf, sizeof(buf), "%s/objects/test.edj", PACKAGE_DATA_DIR);
584 elm_layout_file_set(im, buf, "layout");
586 im = evas_object_image_filled_add(evas_object_evas_get(win));
587 snprintf(buf, sizeof(buf), "%s/images/%s",
588 PACKAGE_DATA_DIR, "twofish.jpg");
589 evas_object_image_file_set(im, buf, NULL);
591 evas_object_move(im, 140, 140);
592 evas_object_resize(im, 200, 200);
593 evas_object_show(im);
595 evas_object_event_callback_add(im, EVAS_CALLBACK_MOUSE_DOWN, im_down_cb, win);
596 evas_object_event_callback_add(im, EVAS_CALLBACK_MOUSE_UP, im_up_cb, win);
597 evas_object_event_callback_add(im, EVAS_CALLBACK_MOUSE_MOVE, im_move_cb, win);
599 evas_object_resize(win, 480, 480);
600 evas_object_show(win);
605 sl = elm_slider_add(win);
606 elm_slider_min_max_set(sl, -5, 5);
607 elm_slider_value_set(sl, 0);
609 evas_object_smart_callback_add(sl, "changed", _sl_ch, NULL);
610 elm_slider_label_set(sl, "rho");
611 elm_slider_unit_format_set(sl, "%1.2f");
612 elm_slider_span_size_set(sl, 320);
613 evas_object_move(sl, 10, 20);
614 evas_object_resize(sl, 460, 40);
615 evas_object_layer_set(sl, 100);
616 evas_object_show(sl);
618 sl = elm_slider_add(win);
619 elm_slider_min_max_set(sl, 0, 10);
620 elm_slider_value_set(sl, 7.86);
622 evas_object_smart_callback_add(sl, "changed", _sl_ch, NULL);
623 elm_slider_label_set(sl, "theta");
624 elm_slider_unit_format_set(sl, "%1.2f");
625 elm_slider_span_size_set(sl, 320);
626 evas_object_move(sl, 10, 60);
627 evas_object_resize(sl, 460, 40);
628 evas_object_layer_set(sl, 100);
629 evas_object_show(sl);
631 sl = elm_slider_add(win);
632 elm_slider_min_max_set(sl, -800, 800);
633 elm_slider_value_set(sl, -400);
635 evas_object_smart_callback_add(sl, "changed", _sl_ch, NULL);
636 elm_slider_label_set(sl, "A");
637 elm_slider_unit_format_set(sl, "%1.2f");
638 elm_slider_span_size_set(sl, 320);
639 evas_object_move(sl, 10, 100);
640 evas_object_resize(sl, 460, 40);
641 evas_object_layer_set(sl, 100);
642 evas_object_show(sl);