1 #include <Elementary.h>
3 # include "elementary_config.h"
5 #ifndef ELM_LIB_QUICKLAUNCH
7 typedef struct _State State;
8 typedef struct _Slice Slice;
10 typedef struct _Vertex2 Vertex2;
11 typedef struct _Vertex3 Vertex3;
15 Evas_Object *front, *back;
18 Evas_Coord down_x, down_y;
20 Evas_Coord ox, oy, x, y, w, h;
21 int slices_w, slices_h;
22 Slice **slices, **slices2;
23 int dir; // 0 == left, 1 == right, 2 == up, 3 == down
34 double u[4], v[4], x[4], y[4], z[4];
62 _slice_new(State *st __UNUSED__, Evas_Object *obj)
66 sl = calloc(1, sizeof(Slice));
68 sl->obj = evas_object_image_add(evas_object_evas_get(obj));
69 evas_object_image_smooth_scale_set(sl->obj, 0);
70 evas_object_pass_events_set(sl->obj, 1);
71 evas_object_image_source_set(sl->obj, obj);
76 _slice_free(Slice *sl)
78 evas_object_del(sl->obj);
83 _slice_apply(State *st, Slice *sl,
84 Evas_Coord x __UNUSED__, Evas_Coord y __UNUSED__, Evas_Coord w, Evas_Coord h __UNUSED__,
85 Evas_Coord ox, Evas_Coord oy, Evas_Coord ow, Evas_Coord oh)
92 evas_map_smooth_set(m, 0);
93 for (i = 0; i < 4; i++)
95 evas_map_point_color_set(m, i, 255, 255, 255, 255);
98 evas_map_point_coord_set(m, i, ox + sl->x[i], oy + sl->y[i], sl->z[i]);
99 evas_map_point_image_uv_set(m, i, sl->u[i] , sl->v[i]);
101 else if (st->dir == 1)
103 evas_map_point_coord_set(m, i, ox + (w - sl->x[i]), oy + sl->y[i], sl->z[i]);
104 evas_map_point_image_uv_set(m, i, sl->u[i] , sl->v[i]);
106 else if (st->dir == 2)
108 evas_map_point_coord_set(m, i, ox + sl->y[i], oy + sl->x[i], sl->z[i]);
109 evas_map_point_image_uv_set(m, i, sl->v[i] , oh - sl->u[i]);
111 else if (st->dir == 3)
113 evas_map_point_coord_set(m, i, ox + sl->y[i], oy + (w - sl->x[i]), sl->z[i]);
114 evas_map_point_image_uv_set(m, i, sl->v[i] , oh - sl->u[i]);
117 evas_object_map_enable_set(sl->obj, EINA_TRUE);
118 evas_object_image_fill_set(sl->obj, 0, 0, ow, oh);
119 evas_object_map_set(sl->obj, m);
124 _slice_3d(State *st __UNUSED__, Slice *sl, Evas_Coord x, Evas_Coord y, Evas_Coord w, Evas_Coord h)
126 Evas_Map *m = (Evas_Map *)evas_object_map_get(sl->obj);
130 // vanishing point is center of page, and focal dist is 1024
131 evas_map_util_3d_perspective(m, x + (w / 2), y + (h / 2), 0, 1024);
132 for (i = 0; i < 4; i++)
135 evas_map_point_coord_get(m, i, &x, &y, &z);
136 evas_map_point_coord_set(m, i, x, y, 0);
138 if (evas_map_util_clockwise_get(m)) evas_object_show(sl->obj);
139 else evas_object_hide(sl->obj);
140 evas_object_map_set(sl->obj, m);
144 _slice_light(State *st __UNUSED__, Slice *sl, Evas_Coord x, Evas_Coord y, Evas_Coord w, Evas_Coord h)
146 Evas_Map *m = (Evas_Map *)evas_object_map_get(sl->obj);
150 evas_map_util_3d_lighting(m,
152 // (centered over page 10 * h toward camera)
153 x + (w / 2) , y + (h / 2) , -h * 10,
154 255, 255, 255, // light color
155 80 , 80 , 80); // ambient minimum
156 // multiply brightness by 1.2 to make lightish bits all white so we dont
157 // add shading where we could otherwise be pure white
158 for (i = 0; i < 4; i++)
162 evas_map_point_color_get(m, i, &r, &g, &b, &a);
163 r = (double)r * 1.2; if (r > 255) r = 255;
164 g = (double)g * 1.2; if (g > 255) g = 255;
165 b = (double)b * 1.2; if (b > 255) b = 255;
166 evas_map_point_color_set(m, i, r, g, b, a);
168 evas_object_map_set(sl->obj, m);
172 _slice_xyz(State *st __UNUSED__, Slice *sl,
173 double x1, double y1, double z1,
174 double x2, double y2, double z2,
175 double x3, double y3, double z3,
176 double x4, double y4, double z4)
178 sl->x[0] = x1; sl->y[0] = y1; sl->z[0] = z1;
179 sl->x[1] = x2; sl->y[1] = y2; sl->z[1] = z2;
180 sl->x[2] = x3; sl->y[2] = y3; sl->z[2] = z3;
181 sl->x[3] = x4; sl->y[3] = y4; sl->z[3] = z4;
185 _slice_uv(State *st __UNUSED__, Slice *sl,
186 double u1, double v1,
187 double u2, double v2,
188 double u3, double v3,
189 double u4, double v4)
191 sl->u[0] = u1; sl->v[0] = v1;
192 sl->u[1] = u2; sl->v[1] = v2;
193 sl->u[2] = u3; sl->v[2] = v3;
194 sl->u[3] = u4; sl->v[3] = v4;
198 _deform_point(Vertex2 *vi, Vertex3 *vo, double rho, double theta, double A)
204 // theta == cone angle (0 -> PI/2)
205 // A == distance of cone apex from origin
206 // rho == angle of cone from vertical axis (...-PI/2 to PI/2...)
210 d = sqrt((vi->x * vi->x) + pow(vi->y - A, 2));
212 b = asin(vi->x / d) / sin(theta);
215 v1.y = d + A - (r * (1 - cos(b)) * sin(theta));
216 v1.z = r * (1 - cos(b)) * cos(theta);
218 vo->x = (v1.x * cos(rho)) - (v1.z * sin(rho));
220 vo->z = (v1.x * sin(rho)) + (v1.z * cos(rho));
224 _interp_point(Vertex3 *vi1, Vertex3 *vi2, Vertex3 *vo, double v)
226 vo->x = (v * vi2->x) + ((1.0 - v) * vi1->x);
227 vo->y = (v * vi2->y) + ((1.0 - v) * vi1->y);
228 vo->z = (v * vi2->z) + ((1.0 - v) * vi1->z);
232 _state_slices_clear(State *st)
239 for (j = 0; j < st->slices_h; j++)
241 for (i = 0; i < st->slices_w; i++)
243 if (st->slices[num]) _slice_free(st->slices[num]);
244 if (st->slices2[num]) _slice_free(st->slices2[num]);
258 _slice_obj_color_sum(Slice *s, int p, int *r, int *g, int *b, int *a)
261 int rr = 0, gg = 0, bb = 0, aa = 0;
264 m = (Evas_Map *)evas_object_map_get(s->obj);
266 evas_map_point_color_get(m, p, &rr, &gg, &bb, &aa);
267 *r += rr; *g += gg; *b += bb; *a += aa;
272 _slice_obj_color_set(Slice *s, int p, int r, int g, int b, int a)
277 m = (Evas_Map *)evas_object_map_get(s->obj);
279 evas_map_point_color_set(m, p, r, g, b, a);
280 evas_object_map_set(s->obj, m);
284 _slice_obj_vert_color_merge(Slice *s1, int p1, Slice *s2, int p2,
285 Slice *s3, int p3, Slice *s4, int p4)
287 int r = 0, g = 0, b = 0, a = 0, n = 0;
289 n += _slice_obj_color_sum(s1, p1, &r, &g, &b, &a);
290 n += _slice_obj_color_sum(s2, p2, &r, &g, &b, &a);
291 n += _slice_obj_color_sum(s3, p3, &r, &g, &b, &a);
292 n += _slice_obj_color_sum(s4, p4, &r, &g, &b, &a);
295 r /= n; g /= n; b /= n; a /= n;
297 _slice_obj_color_set(s1, p1, r, g, b, a);
298 _slice_obj_color_set(s2, p2, r, g, b, a);
299 _slice_obj_color_set(s3, p3, r, g, b, a);
300 _slice_obj_color_set(s4, p4, r, g, b, a);
304 _state_update(State *st)
306 Evas_Coord x1, y1, x2, y2, mx, my, dst, dx, dy;
307 Evas_Coord x, y, w, h, ox, oy, ow, oh;
308 int i, j, num, nn, jump, num2;
310 double b, minv = 0.0, minva, mgrad;
311 int gx, gy, gszw, gszh, gw, gh, col, row, nw, nh;
312 double rho, A, theta, perc, percm, n, rhol, Al, thetal;
316 evas_object_geometry_get(st->front, &x, &y, &w, &h);
317 ox = x; oy = y; ow = w; oh = h;
325 dst = sqrt((dx * dx) + (dy * dy));
328 if (dst < 20) // MAGIC: 20 == drag hysterisis
333 if ((x1 > (w / 2)) && (dx < 0) && (abs(dx) > abs(dy))) st->dir = 0; // left
334 else if ((x1 < (w / 2)) && (dx >= 0) && (abs(dx) > abs(dy))) st->dir = 1; // right
335 else if ((y1 > (h / 2)) && (dy < 0) && (abs(dy) >= abs(dx))) st->dir = 2; // up
336 else if ((y1 < (h / 2)) && (dy >= 0) && (abs(dy) >= abs(dx))) st->dir = 3; // down
337 if (st->dir == -1) return 0;
341 // no nothing. left drag is standard
343 else if (st->dir == 1)
348 else if (st->dir == 2)
352 tmp = x1; x1 = y1; y1 = tmp;
353 tmp = x2; x2 = y2; y2 = tmp;
354 tmp = w; w = h; h = tmp;
356 else if (st->dir == 3)
360 tmp = x1; x1 = y1; y1 = tmp;
361 tmp = x2; x2 = y2; y2 = tmp;
362 tmp = w; w = h; h = tmp;
367 if (x2 >= x1) x2 = x1 - 1;
372 else if (mx >= w) mx = w - 1;
374 else if (my >= h) my = h - 1;
376 mgrad = (double)(y1 - y2) / (double)(x1 - x2);
378 if (mx < 1) mx = 1; // quick hack to keep curl line visible
380 if (mgrad == 0.0) // special horizontal case
381 mgrad = 0.001; // quick dirty hack for now
386 b = my + (minv * mx);
388 if ((b >= -5) && (b <= (h + 5)))
390 if (minv > 0.0) // clamp to h
392 minv = (double)(h + 5 - my) / (double)(mx);
393 b = my + (minv * mx);
397 minv = (double)(-5 - my) / (double)(mx);
398 b = my + (minv * mx);
402 perc = (double)x2 / (double)x1;
403 percm = (double)mx / (double)x1;
404 if (perc < 0.0) perc = 0.0;
405 else if (perc > 1.0) perc = 1.0;
406 if (percm < 0.0) percm = 0.0;
407 else if (percm > 1.0) percm = 1.0;
409 minva = atan(minv) / (M_PI / 2);
410 if (minva < 0.0) minva = -minva;
415 if (A < -(h * 20)) A = -h * 20;
419 // rho = is how much the page is turned
421 n = 1.0 - cos(n * M_PI / 2.0);
427 // theta == curliness (how much page culrs in on itself
428 n = sin((1.0 - perc) * M_PI);
432 n = sin((1.0 - perc) * M_PI);
444 if (gszw < 4) gszw = 4;
445 if (gszh < 4) gszh = 4;
447 nw = (w + gszw - 1) / gszw;
448 nh = (h + gszh - 1) / gszh;
449 if ((st->slices_w != nw) || (st->slices_h != nh)) _state_slices_clear(st);
454 st->slices = calloc(st->slices_w * st->slices_h, sizeof(Slice *));
455 if (!st->slices) return 0;
456 st->slices2 = calloc(st->slices_w * st->slices_h, sizeof(Slice *));
465 num = (st->slices_w + 1) * (st->slices_h + 1);
466 tvi = alloca(sizeof(Vertex2) * num);
467 tvo = alloca(sizeof(Vertex3) * num);
468 tvol = alloca(sizeof(Vertex3) * (st->slices_w + 1));
470 for (col = 0, gx = 0; gx <= w; gx += gszw, col++)
476 _deform_point(&vil, &(tvol[col]), rhol, thetal, Al);
479 n = minva * sin(perc * M_PI);
483 for (col = 0, gx = 0; gx <= w; gx += gszw, col++)
485 for (gy = 0; gy <= h; gy += gszh)
490 vi.x = gx; vi.y = gy;
491 _deform_point(&vi, &vo, rho, theta, A);
494 _interp_point(&vo, &tvo1, &(tvo[num]), n);
499 jump = st->slices_h + 1;
500 for (col = 0, gx = 0; gx < w; gx += gszw, col++)
502 num = st->slices_h * col;
506 if ((gx + gw) > w) gw = w - gx;
508 for (row = 0, gy = 0; gy < h; gy += gszh, row++)
512 if (b > 0) nn = num + st->slices_h - row - 1;
516 if ((gy + gh) > h) gh = h - gy;
518 vo[0] = tvo[num2 + row];
519 vo[1] = tvo[num2 + row + jump];
520 vo[2] = tvo[num2 + row + jump + 1];
521 vo[3] = tvo[num2 + row + 1];
522 #define SWP(a, b) do {typeof(a) vt; vt = (a); (a) = (b); (b) = vt;} while (0)
527 vo[0].y = h - vo[0].y;
528 vo[1].y = h - vo[1].y;
529 vo[2].y = h - vo[2].y;
530 vo[3].y = h - vo[3].y;
537 sl = _slice_new(st, st->front);
541 vo[0].x, vo[0].y, vo[0].z,
542 vo[1].x, vo[1].y, vo[1].z,
543 vo[2].x, vo[2].y, vo[2].z,
544 vo[3].x, vo[3].y, vo[3].z);
548 gx + gw, gy + gh, gx, gy + gh);
551 gx, h - (gy + gh), gx + gw, h - (gy + gh),
552 gx + gw, h - gy, gx, h - gy);
555 sl = st->slices2[nn];
558 sl = _slice_new(st, st->front);
559 st->slices2[nn] = sl;
562 vo[1].x, vo[1].y, vo[1].z,
563 vo[0].x, vo[0].y, vo[0].z,
564 vo[3].x, vo[3].y, vo[3].z,
565 vo[2].x, vo[2].y, vo[2].z);
568 w - (gx + gw), gy, w - (gx), gy,
569 w - (gx), gy + gh, w - (gx + gw), gy + gh);
572 w - (gx + gw), h - (gy + gh), w - (gx), h - (gy + gh),
573 w - (gx), h - gy, w - (gx + gw), h - gy);
578 for (j = 0; j < st->slices_h; j++)
580 for (i = 0; i < st->slices_w; i++)
582 _slice_apply(st, st->slices[num], x, y, w, h, ox, oy, ow, oh);
583 _slice_apply(st, st->slices2[num], x, y, w, h, ox, oy, ow, oh);
584 _slice_light(st, st->slices[num], ox, oy, ow, oh);
585 _slice_light(st, st->slices2[num], ox, oy, ow, oh);
590 for (i = 0; i <= st->slices_w; i++)
592 num = i * st->slices_h;
593 for (j = 0; j <= st->slices_h; j++)
597 s[0] = s[1] = s[2] = s[3] = NULL;
599 if ((i > 0) && (j > 0))
600 s[0] = st->slices[num - 1 - st->slices_h];
601 if ((i < st->slices_w) && (j > 0))
602 s[1] = st->slices[num - 1];
603 if ((i > 0) && (j < st->slices_h))
604 s[2] = st->slices[num - st->slices_h];
605 if ((i < st->slices_w) && (j < st->slices_h))
606 s[3] = st->slices[num];
607 _slice_obj_vert_color_merge(s[0], 2, s[1], 3,
609 s[0] = s[1] = s[2] = s[3] = NULL;
611 if ((i > 0) && (j > 0))
612 s[0] = st->slices2[num - 1 - st->slices_h];
613 if ((i < st->slices_w) && (j > 0))
614 s[1] = st->slices2[num - 1];
615 if ((i > 0) && (j < st->slices_h))
616 s[2] = st->slices2[num - st->slices_h];
617 if ((i < st->slices_w) && (j < st->slices_h))
618 s[3] = st->slices2[num];
619 _slice_obj_vert_color_merge(s[0], 3, s[1], 2,
626 for (i = 0; i < st->slices_w; i++)
628 for (j = 0; j < st->slices_h; j++)
630 _slice_3d(st, st->slices[num], ox, oy, ow, oh);
631 _slice_3d(st, st->slices2[num], ox, oy, ow, oh);
640 _state_end(State *st)
642 _state_slices_clear(st);
646 _state_anim(void *data, double pos)
651 p = ecore_animator_pos_map(pos, ECORE_POS_MAP_ACCELERATE, 0.0, 0.0);
655 st->x = st->ox * (1.0 - p);
656 else if (st->dir == 1)
657 st->x = st->ox + ((st->w - st->ox) * p);
658 else if (st->dir == 2)
659 st->y = st->oy * (1.0 - p);
660 else if (st->dir == 3)
661 st->y = st->oy + ((st->h - st->oy) * p);
666 st->x = st->ox + ((st->w - st->ox) * p);
667 else if (st->dir == 1)
668 st->x = st->ox * (1.0 - p);
669 else if (st->dir == 2)
670 st->y = st->oy + ((st->h - st->oy) * p);
671 else if (st->dir == 3)
672 st->y = st->oy * (1.0 - p);
675 if (pos < 1.0) return EINA_TRUE;
676 evas_object_show(st->front);
683 _update_curl_job(void *data)
687 if (_state_update(st)) evas_object_hide(st->front);
691 im_down_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info)
694 Evas_Event_Mouse_Down *ev = event_info;
695 Evas_Coord x, y, w, h;
697 if (ev->button != 1) return;
701 evas_object_geometry_get(st->front, &x, &y, &w, &h);
702 st->x = ev->canvas.x - x;
703 st->y = ev->canvas.y - y;
709 if (_state_update(st)) evas_object_hide(st->front);
713 im_up_cb(void *data __UNUSED__, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info)
716 Evas_Event_Mouse_Up *ev = event_info;
717 Evas_Coord x, y, w, h;
720 if (ev->button != 1) return;
722 evas_object_geometry_get(st->front, &x, &y, &w, &h);
723 st->x = ev->canvas.x - x;
724 st->y = ev->canvas.y - y;
731 ecore_job_del(st->job);
734 if (st->anim) ecore_animator_del(st->anim);
738 tm = (double)st->x / (double)st->w;
739 if (st->x < (st->w / 2)) st->finish = 1;
741 else if (st->dir == 1)
743 if (st->x > (st->w / 2)) st->finish = 1;
744 tm = 1.0 - ((double)st->x / (double)st->w);
746 else if (st->dir == 2)
748 if (st->y < (st->h / 2)) st->finish = 1;
749 tm = (double)st->y / (double)st->h;
751 else if (st->dir == 3)
753 if (st->y > (st->h / 2)) st->finish = 1;
754 tm = 1.0 - ((double)st->y / (double)st->h);
756 if (tm < 0.01) tm = 0.01;
757 else if (tm > 0.99) tm = 0.99;
758 if (!st->finish) tm = 1.0 - tm;
760 st->anim = ecore_animator_timeline_add(tm, _state_anim, st);
764 im_move_cb(void *data __UNUSED__, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info)
767 Evas_Event_Mouse_Move *ev = event_info;
768 Evas_Coord x, y, w, h;
770 if (!st->down) return;
771 evas_object_geometry_get(st->front, &x, &y, &w, &h);
772 st->x = ev->cur.canvas.x - x;
773 st->y = ev->cur.canvas.y - y;
776 if (st->job) ecore_job_del(st->job);
777 st->job = ecore_job_add(_update_curl_job, st);
781 test_flip_page(void *data __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
783 Evas_Object *win, *bg, *im, *rc;
786 win = elm_win_add(NULL, "flip_page", ELM_WIN_BASIC);
787 elm_win_title_set(win, "Flip Page");
788 elm_win_focus_highlight_enabled_set(win, EINA_TRUE);
789 elm_win_autodel_set(win, 1);
791 bg = elm_bg_add(win);
792 elm_win_resize_object_add(win, bg);
793 evas_object_size_hint_weight_set(bg, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
794 evas_object_show(bg);
797 im = elm_layout_add(win);
798 snprintf(buf, sizeof(buf), "%s/objects/test.edj", PACKAGE_DATA_DIR);
799 elm_layout_file_set(im, buf, "layout");
801 im = evas_object_image_filled_add(evas_object_evas_get(win));
802 snprintf(buf, sizeof(buf), "%s/images/%s",
803 PACKAGE_DATA_DIR, "twofish.jpg");
804 evas_object_image_file_set(im, buf, NULL);
806 evas_object_move(im, 40, 40);
807 evas_object_resize(im, 400, 400);
808 evas_object_show(im);
810 rc = evas_object_rectangle_add(evas_object_evas_get(win));
811 evas_object_color_set(rc, 0, 0, 0, 0);
812 evas_object_move(rc, 40, 340);
813 evas_object_resize(rc, 400, 100);
814 evas_object_show(rc);
816 evas_object_event_callback_add(rc, EVAS_CALLBACK_MOUSE_DOWN, im_down_cb, im);
817 evas_object_event_callback_add(rc, EVAS_CALLBACK_MOUSE_UP, im_up_cb, im);
818 evas_object_event_callback_add(rc, EVAS_CALLBACK_MOUSE_MOVE, im_move_cb, im);
820 rc = evas_object_rectangle_add(evas_object_evas_get(win));
821 evas_object_color_set(rc, 0, 0, 0, 0);
822 evas_object_move(rc, 40, 40);
823 evas_object_resize(rc, 400, 100);
824 evas_object_show(rc);
826 evas_object_event_callback_add(rc, EVAS_CALLBACK_MOUSE_DOWN, im_down_cb, im);
827 evas_object_event_callback_add(rc, EVAS_CALLBACK_MOUSE_UP, im_up_cb, im);
828 evas_object_event_callback_add(rc, EVAS_CALLBACK_MOUSE_MOVE, im_move_cb, im);
830 rc = evas_object_rectangle_add(evas_object_evas_get(win));
831 evas_object_color_set(rc, 0, 0, 0, 0);
832 evas_object_move(rc, 340, 40);
833 evas_object_resize(rc, 100, 400);
834 evas_object_show(rc);
836 evas_object_event_callback_add(rc, EVAS_CALLBACK_MOUSE_DOWN, im_down_cb, im);
837 evas_object_event_callback_add(rc, EVAS_CALLBACK_MOUSE_UP, im_up_cb, im);
838 evas_object_event_callback_add(rc, EVAS_CALLBACK_MOUSE_MOVE, im_move_cb, im);
840 rc = evas_object_rectangle_add(evas_object_evas_get(win));
841 evas_object_color_set(rc, 0, 0, 0, 0);
842 evas_object_move(rc, 40, 40);
843 evas_object_resize(rc, 100, 400);
844 evas_object_show(rc);
846 evas_object_event_callback_add(rc, EVAS_CALLBACK_MOUSE_DOWN, im_down_cb, im);
847 evas_object_event_callback_add(rc, EVAS_CALLBACK_MOUSE_UP, im_up_cb, im);
848 evas_object_event_callback_add(rc, EVAS_CALLBACK_MOUSE_MOVE, im_move_cb, im);
850 evas_object_resize(win, 480, 480);
851 evas_object_show(win);