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;
19 Evas_Coord down_x, down_y;
22 int slices_w, slices_h;
23 Slice **slices, **slices2;
33 double u[4], v[4], x[4], y[4], z[4];
62 sl = calloc(1, sizeof(Slice));
64 sl->obj = evas_object_image_add(evas_object_evas_get(st->win));
65 evas_object_image_smooth_scale_set(sl->obj, 0);
66 evas_object_pass_events_set(sl->obj, 1);
67 evas_object_image_source_set(sl->obj, st->orig);
72 _slice_free(Slice *sl)
74 evas_object_del(sl->obj);
79 _slice_apply(Slice *sl, Evas_Coord x, Evas_Coord y, Evas_Coord w, Evas_Coord h)
86 evas_map_smooth_set(m, 0);
87 for (i = 0; i < 4; i++)
89 evas_map_point_coord_set(m, i, x + sl->x[i], y + sl->y[i], sl->z[i]);
90 evas_map_point_image_uv_set(m, i, sl->u[i] , sl->v[i]);
91 evas_map_point_color_set(m, i, 255, 255, 255, 255);
93 evas_object_map_enable_set(sl->obj, EINA_TRUE);
94 evas_object_image_fill_set(sl->obj, 0, 0, w, h);
95 evas_object_map_set(sl->obj, m);
100 _slice_3d(Slice *sl, Evas_Coord x, Evas_Coord y, Evas_Coord w, Evas_Coord h)
102 Evas_Map *m = (Evas_Map *)evas_object_map_get(sl->obj);
104 // vanishing point is center of page, and focal dist is 1024
105 evas_map_util_3d_perspective(m, x + (w / 2), y + (h / 2), 0, 1024);
106 if (evas_map_util_clockwise_get(m)) evas_object_show(sl->obj);
107 else evas_object_hide(sl->obj);
108 evas_object_map_set(sl->obj, m);
112 _slice_light(Slice *sl, Evas_Coord x, Evas_Coord y, Evas_Coord w, Evas_Coord h)
114 Evas_Map *m = (Evas_Map *)evas_object_map_get(sl->obj);
118 evas_map_util_3d_lighting(m,
120 // (centered over page 10 * h toward camera)
121 x + (w / 2) , y + (h / 2) , -h * 10,
122 255, 255, 255, // light color
123 80 , 80 , 80); // ambient minimum
124 // multiply brightness by 1.2 to make lightish bits all white so we dont
125 // add shading where we could otherwise be pure white
126 for (i = 0; i < 4; i++)
130 evas_map_point_color_get(m, i, &r, &g, &b, &a);
131 r = (double)r * 1.2; if (r > 255) r = 255;
132 g = (double)g * 1.2; if (g > 255) g = 255;
133 b = (double)b * 1.2; if (b > 255) b = 255;
134 evas_map_point_color_set(m, i, r, g, b, a);
136 evas_object_map_set(sl->obj, m);
140 _slice_xyz(Slice *sl,
141 double x1, double y1, double z1,
142 double x2, double y2, double z2,
143 double x3, double y3, double z3,
144 double x4, double y4, double z4)
146 sl->x[0] = x1; sl->y[0] = y1; sl->z[0] = z1;
147 sl->x[1] = x2; sl->y[1] = y2; sl->z[1] = z2;
148 sl->x[2] = x3; sl->y[2] = y3; sl->z[2] = z3;
149 sl->x[3] = x4; sl->y[3] = y4; sl->z[3] = z4;
154 double u1, double v1,
155 double u2, double v2,
156 double u3, double v3,
157 double u4, double v4)
159 sl->u[0] = u1; sl->v[0] = v1;
160 sl->u[1] = u2; sl->v[1] = v2;
161 sl->u[2] = u3; sl->v[2] = v3;
162 sl->u[3] = u4; sl->v[3] = v4;
166 _deform_point(Vertex2 *vi, Vertex3 *vo, double rho, double theta, double A)
172 // theta == cone angle (0 -> PI/2)
173 // A == distance of cone apex from origin
174 // rho == angle of cone from vertical axis (...-PI/2 to PI/2...)
178 d = sqrt((vi->x * vi->x) + pow(vi->y - A, 2));
180 b = asin(vi->x / d) / sin(theta);
183 v1.y = d + A - (r * (1 - cos(b)) * sin(theta));
184 v1.z = r * (1 - cos(b)) * cos(theta);
186 vo->x = (v1.x * cos(rho)) - (v1.z * sin(rho));
188 vo->z = (v1.x * sin(rho)) + (v1.z * cos(rho));
192 _interp_point(Vertex3 *vi1, Vertex3 *vi2, Vertex3 *vo, double v)
194 vo->x = (v * vi2->x) + ((1.0 - v) * vi1->x);
195 vo->y = (v * vi2->y) + ((1.0 - v) * vi1->y);
196 vo->z = (v * vi2->z) + ((1.0 - v) * vi1->z);
200 _state_slices_clear(State *st)
207 for (j = 0; j < st->slices_h; j++)
209 for (i = 0; i < st->slices_w; i++)
211 if (st->slices[num]) _slice_free(st->slices[num]);
212 if (st->slices2[num]) _slice_free(st->slices2[num]);
226 _slice_obj_color_sum(Slice *s, int p, int *r, int *g, int *b, int *a)
229 int rr = 0, gg = 0, bb = 0, aa = 0;
232 m = (Evas_Map *)evas_object_map_get(s->obj);
234 evas_map_point_color_get(m, p, &rr, &gg, &bb, &aa);
235 *r += rr; *g += gg; *b += bb; *a += aa;
240 _slice_obj_color_set(Slice *s, int p, int r, int g, int b, int a)
245 m = (Evas_Map *)evas_object_map_get(s->obj);
247 evas_map_point_color_set(m, p, r, g, b, a);
248 evas_object_map_set(s->obj, m);
252 _slice_obj_vert_color_merge(Slice *s1, int p1, Slice *s2, int p2,
253 Slice *s3, int p3, Slice *s4, int p4)
255 int r = 0, g = 0, b = 0, a = 0, n = 0;
257 n += _slice_obj_color_sum(s1, p1, &r, &g, &b, &a);
258 n += _slice_obj_color_sum(s2, p2, &r, &g, &b, &a);
259 n += _slice_obj_color_sum(s3, p3, &r, &g, &b, &a);
260 n += _slice_obj_color_sum(s4, p4, &r, &g, &b, &a);
263 r /= n; g /= n; b /= n; a /= n;
265 _slice_obj_color_set(s1, p1, r, g, b, a);
266 _slice_obj_color_set(s2, p2, r, g, b, a);
267 _slice_obj_color_set(s3, p3, r, g, b, a);
268 _slice_obj_color_set(s4, p4, r, g, b, a);
272 _state_update(State *st)
274 Evas_Coord x1, y1, x2, y2, mx, my, dst, dx, dy;
275 Evas_Coord x, y, w, h;
278 double b, minv = 0.0, minva, mgrad;
279 int gx, gy, gszw, gszh, gw, gh, col, row, nw, nh;
280 double rho, A, theta, perc, percm, n, rhol, Al, thetal;
282 evas_object_geometry_get(st->orig, &x, &y, &w, &h);
287 if (x2 >= x1) x2 = x1 - 1;
292 else if (mx >= w) mx = w - 1;
294 else if (my >= h) my = h - 1;
298 dst = sqrt((dx * dx) + (dy * dy));
301 // FIXME: clean up old objects
306 mgrad = (double)(y1 - y2) / (double)(x1 - x2);
308 if (mx < 1) mx = 1; // quick hack to keep curl line visible
310 if (mgrad == 0.0) // special horizontal case
311 mgrad = 0.001; // quick dirty hack for now
316 b = my + (minv * mx);
318 if ((b >= -5) && (b <= (h + 5)))
320 if (minv > 0.0) // clamp to h
322 minv = (double)(h + 5 - my) / (double)(mx);
323 b = my + (minv * mx);
327 minv = (double)(-5 - my) / (double)(mx);
328 b = my + (minv * mx);
332 perc = (double)x2 / (double)x1;
333 percm = (double)mx / (double)x1;
334 if (perc < 0.0) perc = 0.0;
335 else if (perc > 1.0) perc = 1.0;
336 if (percm < 0.0) percm = 0.0;
337 else if (percm > 1.0) percm = 1.0;
339 minva = atan(minv) / (M_PI / 2);
340 if (minva < 0.0) minva = -minva;
345 if (A < -(h * 20)) A = -h * 20;
349 // rho = is how much the page is turned
351 n = 1.0 - cos(n * M_PI / 2.0);
357 // theta == curliness (how much page culrs in on itself
358 n = sin((1.0 - perc) * M_PI);
362 n = sin((1.0 - perc) * M_PI);
374 if (gszw < 8) gszw = 8;
375 if (gszh < 8) gszh = 8;
377 _state_slices_clear(st);
379 st->slices_w = (w + gszw - 1) / gszw;
380 st->slices_h = (h + gszh - 1) / gszh;
381 st->slices = calloc(st->slices_w * st->slices_h, sizeof(Slice *));
382 if (!st->slices) return 0;
383 st->slices2 = calloc(st->slices_w * st->slices_h, sizeof(Slice *));
391 for (col = 0, gx = 0; gx < w; gx += gszh, col++)
393 num = st->slices_h * col;
394 for (row = 0, gy = 0; gy < h; gy += gszw, row++)
396 Vertex2 vi[4], vil[2];
397 Vertex3 vo[4], vol[2];
400 if ((gx + gw) > w) gw = w - gx;
401 if ((gy + gh) > h) gh = h - gy;
403 vi[0].x = gx; vi[0].y = gy;
404 vi[1].x = gx + gw; vi[1].y = gy;
405 vi[2].x = gx + gw; vi[2].y = gy + gh;
406 vi[3].x = gx; vi[3].y = gy + gh;
408 vil[0].x = gx; vil[0].y = h - gx;
409 vil[1].x = gx + gw; vil[1].y = h - (gx + gw);
411 for (i = 0; i < 2; i++)
412 _deform_point(&(vil[i]), &(vol[i]), rhol, thetal, Al);
413 for (i = 0; i < 4; i++)
414 _deform_point(&(vi[i]), &(vo[i]), rho, theta, A);
415 n = minva * sin(perc * M_PI);
419 _interp_point(&(vo[0]), &(vol[0]), &(vo[0]), n);
420 _interp_point(&(vo[1]), &(vol[1]), &(vo[1]), n);
423 _interp_point(&(vo[2]), &(vol[1]), &(vo[2]), n);
424 _interp_point(&(vo[3]), &(vol[0]), &(vo[3]), n);
429 #define SWPV3(a, b) do {vt = (a); (a) = (b); (b) = vt;} while (0)
432 vo[0].y = h - vo[0].y;
433 vo[1].y = h - vo[1].y;
434 vo[2].y = h - vo[2].y;
435 vo[3].y = h - vo[3].y;
439 if (b > 0) st->slices[num + st->slices_h - row - 1] = sl;
440 else st->slices[num + row] = sl;
442 vo[0].x, vo[0].y, vo[0].z,
443 vo[1].x, vo[1].y, vo[1].z,
444 vo[2].x, vo[2].y, vo[2].z,
445 vo[3].x, vo[3].y, vo[3].z);
449 gx + gw, gy + gh, gx, gy + gh);
452 gx, h - (gy + gh), gx + gw, h - (gy + gh),
453 gx + gw, h - gy, gx, h - gy);
454 _slice_apply(sl, x, y, w, h);
457 if (b > 0) st->slices2[num + st->slices_h - row - 1] = sl;
458 else st->slices2[num + row] = sl;
460 vo[1].x, vo[1].y, vo[1].z,
461 vo[0].x, vo[0].y, vo[0].z,
462 vo[3].x, vo[3].y, vo[3].z,
463 vo[2].x, vo[2].y, vo[2].z);
466 w - (gx + gw), gy, w - (gx), gy,
467 w - (gx), gy + gh, w - (gx + gw), gy + gh);
470 w - (gx + gw), h - (gy + gh), w - (gx), h - (gy + gh),
471 w - (gx), h - gy, w - (gx + gw), h - gy);
472 _slice_apply(sl, x, y, w, h);
477 for (j = 0; j < st->slices_h; j++)
479 for (i = 0; i < st->slices_w; i++)
481 _slice_light(st->slices[num], x, y, w, h);
482 _slice_light(st->slices2[num], x, y, w, h);
487 for (i = 0; i <= st->slices_w; i++)
489 num = i * st->slices_h;
490 for (j = 0; j <= st->slices_h; j++)
494 s[0] = s[1] = s[2] = s[3] = NULL;
496 if ((i > 0) && (j > 0))
497 s[0] = st->slices[num - 1 - st->slices_h];
498 if ((i < st->slices_w) && (j > 0))
499 s[1] = st->slices[num - 1];
500 if ((i > 0) && (j < st->slices_h))
501 s[2] = st->slices[num - st->slices_h];
502 if ((i < st->slices_w) && (j < st->slices_h))
503 s[3] = st->slices[num];
504 _slice_obj_vert_color_merge(s[0], 2, s[1], 3,
506 s[0] = s[1] = s[2] = s[3] = NULL;
508 if ((i > 0) && (j > 0))
509 s[0] = st->slices2[num - 1 - st->slices_h];
510 if ((i < st->slices_w) && (j > 0))
511 s[1] = st->slices2[num - 1];
512 if ((i > 0) && (j < st->slices_h))
513 s[2] = st->slices2[num - st->slices_h];
514 if ((i < st->slices_w) && (j < st->slices_h))
515 s[3] = st->slices2[num];
516 _slice_obj_vert_color_merge(s[0], 3, s[1], 2,
523 for (i = 0; i < st->slices_w; i++)
525 for (j = 0; j < st->slices_h; j++)
527 _slice_3d(st->slices[num], x, y, w, h);
528 _slice_3d(st->slices2[num], x, y, w, h);
537 _state_end(State *st)
539 _state_slices_clear(st);
553 static Evas_Object *sl_rho, *sl_theta, *sl_A;
558 static Eina_List *pts = NULL;
562 Evas_Coord x, y, w, h;
565 EINA_LIST_FREE(pts, o) evas_object_del(o);
567 evas_object_geometry_get(st->orig, &x, &y, &w, &h);
568 for (j = 0; j < h; j += 20)
570 for (i = 0; i < w; i += 20)
574 double rho, theta, A, n;
578 rho = elm_slider_value_get(sl_rho);
579 A = elm_slider_value_get(sl_A);
580 theta = elm_slider_value_get(sl_theta);
582 _deform_point(&vi, &vo, rho, theta, A);
584 o = evas_object_image_add(evas_object_evas_get(st->win));
585 evas_object_image_smooth_scale_set(o, 0);
586 evas_object_pass_events_set(o, 1);
587 evas_object_image_source_set(o, st->orig);
591 evas_map_smooth_set(m, 0);
594 evas_map_point_coord_set(m, k, x + vo.x, y + vo.y, -vo.z);
595 evas_map_point_image_uv_set(m, k, 0 , 0);
596 evas_map_point_color_set(m, k, 255, 255, 255, 255);
598 evas_map_point_coord_set(m, k, x + vo.x + 10, y + vo.y, -vo.z);
599 evas_map_point_image_uv_set(m, k, w , 0);
600 evas_map_point_color_set(m, k, 255, 255, 255, 255);
602 evas_map_point_coord_set(m, k, x + vo.x + 10, y + vo.y + 10, -vo.z);
603 evas_map_point_image_uv_set(m, k, w , h);
604 evas_map_point_color_set(m, k, 255, 255, 255, 255);
606 evas_map_point_coord_set(m, k, x + vo.x, y + vo.y + 10, -vo.z);
607 evas_map_point_image_uv_set(m, k, 0 , h);
608 evas_map_point_color_set(m, k, 255, 255, 255, 255);
611 evas_map_util_3d_perspective(m, x + (w / 2), y + (h / 2), 0, 1024);
613 evas_object_map_enable_set(o, EINA_TRUE);
614 evas_object_image_fill_set(o, 0, 0, w, h);
615 evas_object_map_set(o, m);
618 pts = eina_list_append(pts, o);
624 _sl_ch(void *data __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
640 _update_curl_job(void *data)
644 if (_state_update(st)) evas_object_lower(st->orig);
648 im_down_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj, void *event_info)
650 Evas_Event_Mouse_Down *ev = event_info;
651 Evas_Object *win = data;
654 if (ev->button != 1) return;
655 evas_object_geometry_get(obj, &x, &y, NULL, NULL);
659 state.x = ev->canvas.x - x;
660 state.y = ev->canvas.y - y;
661 state.down_x = state.x;
662 state.down_y = state.y;
663 if (_state_update(&state))
664 evas_object_lower(obj);
665 printf("v %i %i\n", state.x, state.y);
669 im_up_cb(void *data __UNUSED__, Evas *e __UNUSED__, Evas_Object *obj, void *event_info)
671 Evas_Event_Mouse_Up *ev = event_info;
674 if (ev->button != 1) return;
675 evas_object_geometry_get(obj, &x, &y, NULL, NULL);
677 state.x = ev->canvas.x - x;
678 state.y = ev->canvas.y - y;
679 evas_object_raise(obj);
680 printf("^ %i %i\n", state.x, state.y);
685 im_move_cb(void *data __UNUSED__, Evas *e __UNUSED__, Evas_Object *obj, void *event_info)
687 Evas_Event_Mouse_Move *ev = event_info;
690 if (!state.down) return;
691 evas_object_geometry_get(obj, &x, &y, NULL, NULL);
692 state.x = ev->cur.canvas.x - x;
693 state.y = ev->cur.canvas.y - y;
694 printf("@ %i %i\n", state.x, state.y);
695 if (state.job) ecore_job_del(state.job);
696 state.job = ecore_job_add(_update_curl_job, &state);
700 test_flip_page(void *data __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
702 Evas_Object *win, *bg, *im;
705 win = elm_win_add(NULL, "flip_page", ELM_WIN_BASIC);
706 elm_win_title_set(win, "Flip Page");
707 elm_win_focus_highlight_enabled_set(win, EINA_TRUE);
708 elm_win_autodel_set(win, 1);
710 bg = elm_bg_add(win);
711 elm_win_resize_object_add(win, bg);
712 evas_object_size_hint_weight_set(bg, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
713 evas_object_show(bg);
716 im = elm_layout_add(win);
717 snprintf(buf, sizeof(buf), "%s/objects/test.edj", PACKAGE_DATA_DIR);
718 elm_layout_file_set(im, buf, "layout");
720 im = evas_object_image_filled_add(evas_object_evas_get(win));
721 snprintf(buf, sizeof(buf), "%s/images/%s",
722 PACKAGE_DATA_DIR, "twofish.jpg");
723 evas_object_image_file_set(im, buf, NULL);
725 evas_object_move(im, 40, 40);
726 evas_object_resize(im, 400, 400);
727 evas_object_show(im);
729 evas_object_event_callback_add(im, EVAS_CALLBACK_MOUSE_DOWN, im_down_cb, win);
730 evas_object_event_callback_add(im, EVAS_CALLBACK_MOUSE_UP, im_up_cb, win);
731 evas_object_event_callback_add(im, EVAS_CALLBACK_MOUSE_MOVE, im_move_cb, win);
733 evas_object_resize(win, 480, 480);
734 evas_object_show(win);
739 sl = elm_slider_add(win);
740 elm_slider_min_max_set(sl, -5, 5);
741 elm_slider_value_set(sl, 0);
743 evas_object_smart_callback_add(sl, "changed", _sl_ch, NULL);
744 elm_slider_label_set(sl, "rho");
745 elm_slider_unit_format_set(sl, "%1.2f");
746 elm_slider_span_size_set(sl, 320);
747 evas_object_move(sl, 10, 20);
748 evas_object_resize(sl, 460, 40);
749 evas_object_layer_set(sl, 100);
750 evas_object_show(sl);
752 sl = elm_slider_add(win);
753 elm_slider_min_max_set(sl, 0, 10);
754 elm_slider_value_set(sl, 7.86);
756 evas_object_smart_callback_add(sl, "changed", _sl_ch, NULL);
757 elm_slider_label_set(sl, "theta");
758 elm_slider_unit_format_set(sl, "%1.2f");
759 elm_slider_span_size_set(sl, 320);
760 evas_object_move(sl, 10, 60);
761 evas_object_resize(sl, 460, 40);
762 evas_object_layer_set(sl, 100);
763 evas_object_show(sl);
765 sl = elm_slider_add(win);
766 elm_slider_min_max_set(sl, -800, 800);
767 elm_slider_value_set(sl, -400);
769 evas_object_smart_callback_add(sl, "changed", _sl_ch, NULL);
770 elm_slider_label_set(sl, "A");
771 elm_slider_unit_format_set(sl, "%1.2f");
772 elm_slider_span_size_set(sl, 320);
773 evas_object_move(sl, 10, 100);
774 evas_object_resize(sl, 460, 40);
775 evas_object_layer_set(sl, 100);
776 evas_object_show(sl);