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;
17 Evas_Coord down_x, down_y;
20 int slices_w, slices_h;
21 Slice **slices, **slices2;
22 int dir; // 0 == left, 1 == right, 2 == up, 3 == down
32 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->orig));
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(State *st, Slice *sl,
80 Evas_Coord x, Evas_Coord y, Evas_Coord w, Evas_Coord h,
81 Evas_Coord ox, Evas_Coord oy, Evas_Coord ow, Evas_Coord oh)
88 evas_map_smooth_set(m, 0);
89 for (i = 0; i < 4; i++)
91 evas_map_point_color_set(m, i, 255, 255, 255, 255);
94 evas_map_point_coord_set(m, i, ox + sl->x[i], oy + sl->y[i], sl->z[i]);
95 evas_map_point_image_uv_set(m, i, sl->u[i] , sl->v[i]);
97 else if (st->dir == 1)
99 evas_map_point_coord_set(m, i, ox + (w - sl->x[i]), oy + sl->y[i], sl->z[i]);
100 evas_map_point_image_uv_set(m, i, sl->u[i] , sl->v[i]);
102 else if (st->dir == 2)
104 evas_map_point_coord_set(m, i, ox + sl->y[i], oy + sl->x[i], sl->z[i]);
105 evas_map_point_image_uv_set(m, i, sl->v[i] , oh - sl->u[i]);
107 else if (st->dir == 3)
109 evas_map_point_coord_set(m, i, ox + sl->y[i], oy + (w - sl->x[i]), sl->z[i]);
110 evas_map_point_image_uv_set(m, i, sl->v[i] , oh - sl->u[i]);
113 evas_object_map_enable_set(sl->obj, EINA_TRUE);
114 evas_object_image_fill_set(sl->obj, 0, 0, ow, oh);
115 evas_object_map_set(sl->obj, m);
120 _slice_3d(State *st, Slice *sl, Evas_Coord x, Evas_Coord y, Evas_Coord w, Evas_Coord h)
122 Evas_Map *m = (Evas_Map *)evas_object_map_get(sl->obj);
124 // vanishing point is center of page, and focal dist is 1024
125 evas_map_util_3d_perspective(m, x + (w / 2), y + (h / 2), 0, 1024);
126 if (evas_map_util_clockwise_get(m)) evas_object_show(sl->obj);
127 else evas_object_hide(sl->obj);
128 evas_object_map_set(sl->obj, m);
132 _slice_light(State *st, Slice *sl, Evas_Coord x, Evas_Coord y, Evas_Coord w, Evas_Coord h)
134 Evas_Map *m = (Evas_Map *)evas_object_map_get(sl->obj);
138 evas_map_util_3d_lighting(m,
140 // (centered over page 10 * h toward camera)
141 x + (w / 2) , y + (h / 2) , -h * 10,
142 255, 255, 255, // light color
143 80 , 80 , 80); // ambient minimum
144 // multiply brightness by 1.2 to make lightish bits all white so we dont
145 // add shading where we could otherwise be pure white
146 for (i = 0; i < 4; i++)
150 evas_map_point_color_get(m, i, &r, &g, &b, &a);
151 r = (double)r * 1.2; if (r > 255) r = 255;
152 g = (double)g * 1.2; if (g > 255) g = 255;
153 b = (double)b * 1.2; if (b > 255) b = 255;
154 evas_map_point_color_set(m, i, r, g, b, a);
156 evas_object_map_set(sl->obj, m);
160 _slice_xyz(State *st, Slice *sl,
161 double x1, double y1, double z1,
162 double x2, double y2, double z2,
163 double x3, double y3, double z3,
164 double x4, double y4, double z4)
166 sl->x[0] = x1; sl->y[0] = y1; sl->z[0] = z1;
167 sl->x[1] = x2; sl->y[1] = y2; sl->z[1] = z2;
168 sl->x[2] = x3; sl->y[2] = y3; sl->z[2] = z3;
169 sl->x[3] = x4; sl->y[3] = y4; sl->z[3] = z4;
173 _slice_uv(State *st, Slice *sl,
174 double u1, double v1,
175 double u2, double v2,
176 double u3, double v3,
177 double u4, double v4)
179 sl->u[0] = u1; sl->v[0] = v1;
180 sl->u[1] = u2; sl->v[1] = v2;
181 sl->u[2] = u3; sl->v[2] = v3;
182 sl->u[3] = u4; sl->v[3] = v4;
186 _deform_point(Vertex2 *vi, Vertex3 *vo, double rho, double theta, double A)
192 // theta == cone angle (0 -> PI/2)
193 // A == distance of cone apex from origin
194 // rho == angle of cone from vertical axis (...-PI/2 to PI/2...)
198 d = sqrt((vi->x * vi->x) + pow(vi->y - A, 2));
200 b = asin(vi->x / d) / sin(theta);
203 v1.y = d + A - (r * (1 - cos(b)) * sin(theta));
204 v1.z = r * (1 - cos(b)) * cos(theta);
206 vo->x = (v1.x * cos(rho)) - (v1.z * sin(rho));
208 vo->z = (v1.x * sin(rho)) + (v1.z * cos(rho));
212 _interp_point(Vertex3 *vi1, Vertex3 *vi2, Vertex3 *vo, double v)
214 vo->x = (v * vi2->x) + ((1.0 - v) * vi1->x);
215 vo->y = (v * vi2->y) + ((1.0 - v) * vi1->y);
216 vo->z = (v * vi2->z) + ((1.0 - v) * vi1->z);
220 _state_slices_clear(State *st)
227 for (j = 0; j < st->slices_h; j++)
229 for (i = 0; i < st->slices_w; i++)
231 if (st->slices[num]) _slice_free(st->slices[num]);
232 if (st->slices2[num]) _slice_free(st->slices2[num]);
246 _slice_obj_color_sum(Slice *s, int p, int *r, int *g, int *b, int *a)
249 int rr = 0, gg = 0, bb = 0, aa = 0;
252 m = (Evas_Map *)evas_object_map_get(s->obj);
254 evas_map_point_color_get(m, p, &rr, &gg, &bb, &aa);
255 *r += rr; *g += gg; *b += bb; *a += aa;
260 _slice_obj_color_set(Slice *s, int p, int r, int g, int b, int a)
265 m = (Evas_Map *)evas_object_map_get(s->obj);
267 evas_map_point_color_set(m, p, r, g, b, a);
268 evas_object_map_set(s->obj, m);
272 _slice_obj_vert_color_merge(Slice *s1, int p1, Slice *s2, int p2,
273 Slice *s3, int p3, Slice *s4, int p4)
275 int r = 0, g = 0, b = 0, a = 0, n = 0;
277 n += _slice_obj_color_sum(s1, p1, &r, &g, &b, &a);
278 n += _slice_obj_color_sum(s2, p2, &r, &g, &b, &a);
279 n += _slice_obj_color_sum(s3, p3, &r, &g, &b, &a);
280 n += _slice_obj_color_sum(s4, p4, &r, &g, &b, &a);
283 r /= n; g /= n; b /= n; a /= n;
285 _slice_obj_color_set(s1, p1, r, g, b, a);
286 _slice_obj_color_set(s2, p2, r, g, b, a);
287 _slice_obj_color_set(s3, p3, r, g, b, a);
288 _slice_obj_color_set(s4, p4, r, g, b, a);
292 _state_update(State *st)
294 Evas_Coord x1, y1, x2, y2, mx, my, dst, dx, dy;
295 Evas_Coord x, y, w, h, ox, oy, ow, oh;
298 double b, minv = 0.0, minva, mgrad;
299 int gx, gy, gszw, gszh, gw, gh, col, row, nw, nh;
300 double rho, A, theta, perc, percm, n, rhol, Al, thetal;
302 evas_object_geometry_get(st->orig, &x, &y, &w, &h);
303 ox = x; oy = y; ow = w; oh = h;
310 else if (mx >= w) mx = w - 1;
312 else if (my >= h) my = h - 1;
316 dst = sqrt((dx * dx) + (dy * dy));
319 if (dst < 20) // MAGIC: 20 == drag hysterisis
321 // FIXME: clean up old objects
327 if ((x1 > (w / 2)) && (dx < 0) && (abs(dx) > abs(dy))) st->dir = 0; // left
328 else if ((x1 < (w / 2)) && (dx >= 0) && (abs(dx) > abs(dy))) st->dir = 1; // right
329 else if ((y1 > (h / 2)) && (dy < 0) && (abs(dy) >= abs(dx))) st->dir = 2; // up
330 else if ((y1 < (h / 2)) && (dy >= 0) && (abs(dy) >= abs(dx))) st->dir = 3; // down
331 if (st->dir == -1) return 0;
337 else if (st->dir == 1)
342 else if (st->dir == 2)
346 tmp = x1; x1 = y1; y1 = tmp;
347 tmp = x2; x2 = y2; y2 = tmp;
348 tmp = w; w = h; h = tmp;
350 else if (st->dir == 3)
354 tmp = x1; x1 = y1; y1 = tmp;
355 tmp = x2; x2 = y2; y2 = tmp;
356 tmp = w; w = h; h = tmp;
361 if (x2 >= x1) x2 = x1 - 1;
365 mgrad = (double)(y1 - y2) / (double)(x1 - x2);
367 if (mx < 1) mx = 1; // quick hack to keep curl line visible
369 if (mgrad == 0.0) // special horizontal case
370 mgrad = 0.001; // quick dirty hack for now
375 b = my + (minv * mx);
377 if ((b >= -5) && (b <= (h + 5)))
379 if (minv > 0.0) // clamp to h
381 minv = (double)(h + 5 - my) / (double)(mx);
382 b = my + (minv * mx);
386 minv = (double)(-5 - my) / (double)(mx);
387 b = my + (minv * mx);
391 perc = (double)x2 / (double)x1;
392 percm = (double)mx / (double)x1;
393 if (perc < 0.0) perc = 0.0;
394 else if (perc > 1.0) perc = 1.0;
395 if (percm < 0.0) percm = 0.0;
396 else if (percm > 1.0) percm = 1.0;
398 minva = atan(minv) / (M_PI / 2);
399 if (minva < 0.0) minva = -minva;
404 if (A < -(h * 20)) A = -h * 20;
408 // rho = is how much the page is turned
410 n = 1.0 - cos(n * M_PI / 2.0);
416 // theta == curliness (how much page culrs in on itself
417 n = sin((1.0 - perc) * M_PI);
421 n = sin((1.0 - perc) * M_PI);
433 if (gszw < 8) gszw = 8;
434 if (gszh < 8) gszh = 8;
436 _state_slices_clear(st);
438 st->slices_w = (w + gszw - 1) / gszw;
439 st->slices_h = (h + gszh - 1) / gszh;
440 st->slices = calloc(st->slices_w * st->slices_h, sizeof(Slice *));
441 if (!st->slices) return 0;
442 st->slices2 = calloc(st->slices_w * st->slices_h, sizeof(Slice *));
450 for (col = 0, gx = 0; gx < w; gx += gszh, col++)
452 num = st->slices_h * col;
453 for (row = 0, gy = 0; gy < h; gy += gszw, row++)
455 Vertex2 vi[4], vil[2];
456 Vertex3 vo[4], vol[2];
459 if ((gx + gw) > w) gw = w - gx;
460 if ((gy + gh) > h) gh = h - gy;
462 vi[0].x = gx; vi[0].y = gy;
463 vi[1].x = gx + gw; vi[1].y = gy;
464 vi[2].x = gx + gw; vi[2].y = gy + gh;
465 vi[3].x = gx; vi[3].y = gy + gh;
467 vil[0].x = gx; vil[0].y = h - gx;
468 vil[1].x = gx + gw; vil[1].y = h - (gx + gw);
470 for (i = 0; i < 2; i++)
471 _deform_point(&(vil[i]), &(vol[i]), rhol, thetal, Al);
472 for (i = 0; i < 4; i++)
473 _deform_point(&(vi[i]), &(vo[i]), rho, theta, A);
474 n = minva * sin(perc * M_PI);
478 _interp_point(&(vo[0]), &(vol[0]), &(vo[0]), n);
479 _interp_point(&(vo[1]), &(vol[1]), &(vo[1]), n);
482 _interp_point(&(vo[2]), &(vol[1]), &(vo[2]), n);
483 _interp_point(&(vo[3]), &(vol[0]), &(vo[3]), n);
488 #define SWPV3(a, b) do {vt = (a); (a) = (b); (b) = vt;} while (0)
491 vo[0].y = h - vo[0].y;
492 vo[1].y = h - vo[1].y;
493 vo[2].y = h - vo[2].y;
494 vo[3].y = h - vo[3].y;
498 if (b > 0) st->slices[num + st->slices_h - row - 1] = sl;
499 else st->slices[num + row] = sl;
501 vo[0].x, vo[0].y, vo[0].z,
502 vo[1].x, vo[1].y, vo[1].z,
503 vo[2].x, vo[2].y, vo[2].z,
504 vo[3].x, vo[3].y, vo[3].z);
508 gx + gw, gy + gh, gx, gy + gh);
511 gx, h - (gy + gh), gx + gw, h - (gy + gh),
512 gx + gw, h - gy, gx, h - gy);
513 _slice_apply(st, sl, x, y, w, h, ox, oy, ow, oh);
516 if (b > 0) st->slices2[num + st->slices_h - row - 1] = sl;
517 else st->slices2[num + row] = sl;
519 vo[1].x, vo[1].y, vo[1].z,
520 vo[0].x, vo[0].y, vo[0].z,
521 vo[3].x, vo[3].y, vo[3].z,
522 vo[2].x, vo[2].y, vo[2].z);
525 w - (gx + gw), gy, w - (gx), gy,
526 w - (gx), gy + gh, w - (gx + gw), gy + gh);
529 w - (gx + gw), h - (gy + gh), w - (gx), h - (gy + gh),
530 w - (gx), h - gy, w - (gx + gw), h - gy);
531 _slice_apply(st, sl, x, y, w, h, ox, oy, ow, oh);
536 for (j = 0; j < st->slices_h; j++)
538 for (i = 0; i < st->slices_w; i++)
540 _slice_light(st, st->slices[num], ox, oy, ow, oh);
541 _slice_light(st, st->slices2[num], ox, oy, ow, oh);
546 for (i = 0; i <= st->slices_w; i++)
548 num = i * st->slices_h;
549 for (j = 0; j <= st->slices_h; j++)
553 s[0] = s[1] = s[2] = s[3] = NULL;
555 if ((i > 0) && (j > 0))
556 s[0] = st->slices[num - 1 - st->slices_h];
557 if ((i < st->slices_w) && (j > 0))
558 s[1] = st->slices[num - 1];
559 if ((i > 0) && (j < st->slices_h))
560 s[2] = st->slices[num - st->slices_h];
561 if ((i < st->slices_w) && (j < st->slices_h))
562 s[3] = st->slices[num];
563 _slice_obj_vert_color_merge(s[0], 2, s[1], 3,
565 s[0] = s[1] = s[2] = s[3] = NULL;
567 if ((i > 0) && (j > 0))
568 s[0] = st->slices2[num - 1 - st->slices_h];
569 if ((i < st->slices_w) && (j > 0))
570 s[1] = st->slices2[num - 1];
571 if ((i > 0) && (j < st->slices_h))
572 s[2] = st->slices2[num - st->slices_h];
573 if ((i < st->slices_w) && (j < st->slices_h))
574 s[3] = st->slices2[num];
575 _slice_obj_vert_color_merge(s[0], 3, s[1], 2,
582 for (i = 0; i < st->slices_w; i++)
584 for (j = 0; j < st->slices_h; j++)
586 _slice_3d(st, st->slices[num], ox, oy, ow, oh);
587 _slice_3d(st, st->slices2[num], ox, oy, ow, oh);
596 _state_end(State *st)
598 _state_slices_clear(st);
602 _update_curl_job(void *data)
606 if (_state_update(st)) evas_object_hide(st->orig);
610 im_down_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj, void *event_info)
612 Evas_Event_Mouse_Down *ev = event_info;
615 if (ev->button != 1) return;
618 evas_object_geometry_get(state.orig, &x, &y, NULL, NULL);
619 state.x = ev->canvas.x - x;
620 state.y = ev->canvas.y - y;
621 state.down_x = state.x;
622 state.down_y = state.y;
624 printf("D %i %i\n", state.x, state.y);
625 if (_state_update(&state)) evas_object_hide(state.orig);
629 im_up_cb(void *data __UNUSED__, Evas *e __UNUSED__, Evas_Object *obj, void *event_info)
631 Evas_Event_Mouse_Up *ev = event_info;
634 if (ev->button != 1) return;
636 evas_object_geometry_get(state.orig, &x, &y, NULL, NULL);
637 state.x = ev->canvas.x - x;
638 state.y = ev->canvas.y - y;
639 printf("U %i %i\n", state.x, state.y);
640 evas_object_show(state.orig);
643 ecore_job_del(state.job);
650 im_move_cb(void *data __UNUSED__, Evas *e __UNUSED__, Evas_Object *obj, void *event_info)
652 Evas_Event_Mouse_Move *ev = event_info;
655 if (!state.down) return;
656 evas_object_geometry_get(state.orig, &x, &y, NULL, NULL);
657 state.x = ev->cur.canvas.x - x;
658 state.y = ev->cur.canvas.y - y;
659 printf("M %i %i\n", state.x, state.y);
660 if (state.job) ecore_job_del(state.job);
661 state.job = ecore_job_add(_update_curl_job, &state);
665 test_flip_page(void *data __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
667 Evas_Object *win, *bg, *im, *rc;
670 win = elm_win_add(NULL, "flip_page", ELM_WIN_BASIC);
671 elm_win_title_set(win, "Flip Page");
672 elm_win_focus_highlight_enabled_set(win, EINA_TRUE);
673 elm_win_autodel_set(win, 1);
675 bg = elm_bg_add(win);
676 elm_win_resize_object_add(win, bg);
677 evas_object_size_hint_weight_set(bg, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
678 evas_object_show(bg);
681 im = elm_layout_add(win);
682 snprintf(buf, sizeof(buf), "%s/objects/test.edj", PACKAGE_DATA_DIR);
683 elm_layout_file_set(im, buf, "layout");
685 im = evas_object_image_filled_add(evas_object_evas_get(win));
686 snprintf(buf, sizeof(buf), "%s/images/%s",
687 PACKAGE_DATA_DIR, "twofish.jpg");
688 evas_object_image_file_set(im, buf, NULL);
690 evas_object_move(im, 40, 40);
691 evas_object_resize(im, 400, 400);
692 evas_object_show(im);
694 rc = evas_object_rectangle_add(evas_object_evas_get(win));
695 evas_object_color_set(rc, 0, 50, 0, 50);
696 evas_object_move(rc, 40, 340);
697 evas_object_resize(rc, 400, 100);
698 evas_object_show(rc);
700 evas_object_event_callback_add(rc, EVAS_CALLBACK_MOUSE_DOWN, im_down_cb, im);
701 evas_object_event_callback_add(rc, EVAS_CALLBACK_MOUSE_UP, im_up_cb, im);
702 evas_object_event_callback_add(rc, EVAS_CALLBACK_MOUSE_MOVE, im_move_cb, im);
704 rc = evas_object_rectangle_add(evas_object_evas_get(win));
705 evas_object_color_set(rc, 0, 50, 50, 50);
706 evas_object_move(rc, 40, 40);
707 evas_object_resize(rc, 400, 100);
708 evas_object_show(rc);
710 evas_object_event_callback_add(rc, EVAS_CALLBACK_MOUSE_DOWN, im_down_cb, im);
711 evas_object_event_callback_add(rc, EVAS_CALLBACK_MOUSE_UP, im_up_cb, im);
712 evas_object_event_callback_add(rc, EVAS_CALLBACK_MOUSE_MOVE, im_move_cb, im);
714 rc = evas_object_rectangle_add(evas_object_evas_get(win));
715 evas_object_color_set(rc, 0, 0, 50, 50);
716 evas_object_move(rc, 340, 40);
717 evas_object_resize(rc, 100, 400);
718 evas_object_show(rc);
720 evas_object_event_callback_add(rc, EVAS_CALLBACK_MOUSE_DOWN, im_down_cb, im);
721 evas_object_event_callback_add(rc, EVAS_CALLBACK_MOUSE_UP, im_up_cb, im);
722 evas_object_event_callback_add(rc, EVAS_CALLBACK_MOUSE_MOVE, im_move_cb, im);
724 rc = evas_object_rectangle_add(evas_object_evas_get(win));
725 evas_object_color_set(rc, 50, 0, 0, 50);
726 evas_object_move(rc, 40, 40);
727 evas_object_resize(rc, 100, 400);
728 evas_object_show(rc);
730 evas_object_event_callback_add(rc, EVAS_CALLBACK_MOUSE_DOWN, im_down_cb, im);
731 evas_object_event_callback_add(rc, EVAS_CALLBACK_MOUSE_UP, im_up_cb, im);
732 evas_object_event_callback_add(rc, EVAS_CALLBACK_MOUSE_MOVE, im_move_cb, im);
734 evas_object_resize(win, 480, 480);
735 evas_object_show(win);