/* This function applies the information from the Photo_Object to the actual
* evas objects. Zoom/rotate factors and etc. */
static void
apply_changes(Photo_Object *po)
{
Evas_Map *map;
map = evas_map_new(4);
evas_map_point_coord_set(map, 0, po->bx, po->by, 0);
evas_map_point_coord_set(map, 1, po->bx + po->bw, po->by, 0);
evas_map_point_coord_set(map, 2, po->bx + po->bw, po->by + po->bh, 0);
evas_map_point_coord_set(map, 3, po->bx, po->by + po->bh, 0);
evas_map_point_image_uv_set(map, 0, 0, 0);
evas_map_point_image_uv_set(map, 1, po->bw, 0);
evas_map_point_image_uv_set(map, 2, po->bw, po->bh);
evas_map_point_image_uv_set(map, 3, 0, po->bh);
evas_map_util_rotate(map, po->rotate,
po->bx + po->bw / 2, po->by + po->bh /2);
evas_map_util_zoom(map, po->zoom, po->zoom,
po->bx + po->bw / 2, po->by + po->bh /2);
evas_object_map_enable_set(po->ic, EINA_TRUE);
evas_object_map_set(po->ic, map);
{
Evas_Map *shadow_map = evas_map_new(4);
evas_map_point_coord_set(shadow_map, 0, po->bx, po->by, 0);
evas_map_point_coord_set(shadow_map, 1, po->bx + po->bw, po->by, 0);
evas_map_point_coord_set(shadow_map, 2,
po->bx + po->bw, po->by + po->bh, 0);
evas_map_point_coord_set(shadow_map, 3, po->bx, po->by + po->bh, 0);
evas_map_point_image_uv_set(shadow_map, 0, 0, 0);
evas_map_point_image_uv_set(shadow_map, 1, SHADOW_W, 0);
evas_map_point_image_uv_set(shadow_map, 2, SHADOW_W, SHADOW_H);
evas_map_point_image_uv_set(shadow_map, 3, 0, SHADOW_H);
evas_map_util_rotate(shadow_map, po->rotate,
po->bx + po->bw / 2, po->by + po->bh /2);
evas_map_util_zoom(shadow_map, po->zoom * po->shadow_zoom,
po->zoom * po->shadow_zoom,
po->bx + (po->bw / 2), po->by + (po->bh / 2));
evas_object_map_enable_set(po->shadow, EINA_TRUE);
evas_object_map_set(po->shadow, shadow_map);
evas_map_free(shadow_map);
}
/* Update the position of the hit box */
{
Evas_Coord minx, miny, maxx, maxy;
int i;
evas_object_polygon_points_clear(po->hit);
evas_map_point_coord_get(map, 0, &minx, &miny, NULL);
maxx = minx;
maxy = miny;
evas_object_polygon_point_add(po->hit, minx, miny);
for (i = 1 ; i <= 3 ; i++)
{
Evas_Coord x, y;
evas_map_point_coord_get(map, i, &x, &y, NULL);
evas_object_polygon_point_add(po->hit, x, y);
if (x < minx)
minx = x;
else if (x > maxx)
maxx = x;
if (y < miny)
miny = y;
else if (y > maxy)
maxy = y;
}
}
evas_object_raise(po->shadow);
evas_object_raise(po->ic);
evas_object_raise(po->hit);
evas_map_free(map);
}
static void
_cube_pos(Cube *c,
Evas_Coord x, Evas_Coord y, Evas_Coord z,
double dx, double dy, double dz,
Evas_Coord cx, Evas_Coord cy, Evas_Coord foc, Evas_Coord z0)
{
Evas_Map *m;
int i, j, order[6], sorted;
Evas_Coord mz[6];
m = evas_map_new(4);
evas_map_smooth_set(m, 0);
for (i = 0; i < 6; i++)
{
Evas_Coord tz[4];
for (j = 0; j < 4; j++)
{
evas_map_point_coord_set(m, j,
c->side[i].pt[j].x + x,
c->side[i].pt[j].y + y,
c->side[i].pt[j].z + z);
evas_map_point_image_uv_set(m, j,
c->side[i].pt[j].u,
c->side[i].pt[j].v);
evas_map_point_color_set(m, j, 255, 255, 255, 255);
}
evas_map_util_3d_rotate(m, dx, dy, dz, x, y, z);
evas_map_util_3d_lighting(m, -1000, -1000, -1000,
255, 255, 255,
20, 20, 20);
evas_map_util_3d_perspective(m, cx, cy, foc, z0);
if (evas_map_util_clockwise_get(m))
{
evas_object_map_enable_set(c->side[i].o, 1);
evas_object_map_set(c->side[i].o, m);
evas_object_show(c->side[i].o);
}
else
evas_object_hide(c->side[i].o);
order[i] = i;
for (j = 0; j < 4; j++)
evas_map_point_coord_get(m, j, NULL, NULL, &(tz[j]));
mz[i] = (tz[0] + tz[1] + tz[2] + tz[3]) / 4;
}
sorted = 0;
do
{
sorted = 1;
for (i = 0; i < 5; i++)
{
if (mz[order[i]] > mz[order[i + 1]])
{
j = order[i];
order[i] = order[i + 1];
order[i + 1] = j;
sorted = 0;
}
}
}
while (!sorted);
evas_object_raise(c->side[order[0]].o);
for (i = 1; i < 6; i++)
evas_object_stack_below(c->side[order[i]].o, c->side[order[i - 1]].o);
evas_map_free(m);
}
