struct _State
{
Evas_Object *orig, *win;
+ Ecore_Job *job;
Evas_Coord down_x, down_y;
Eina_Bool down : 1;
Evas_Coord x, y;
int slices_w, slices_h;
- Slice **slices;
+ Slice **slices, **slices2;
};
struct _Slice
// | |
// | |
// (3)---(2)
- double u[4], v[4];
- double x[4], y[4], z[4];
+ double u[4], v[4], x[4], y[4], z[4];
};
struct _Vertex2
static State state =
{
NULL, NULL,
+ NULL,
0, 0,
0,
0, 0,
0, 0,
- NULL
+ NULL, NULL
};
-#define RES 32
-
static Slice *
_slice_new(State *st)
{
evas_object_image_smooth_scale_set(sl->obj, 0);
evas_object_pass_events_set(sl->obj, 1);
evas_object_image_source_set(sl->obj, st->orig);
- evas_object_show(sl->obj);
return sl;
}
int i;
m = evas_map_new(4);
+ if (!m) return;
evas_map_smooth_set(m, 0);
-
for (i = 0; i < 4; i++)
{
evas_map_point_coord_set(m, i, x + sl->x[i], y + sl->y[i], sl->z[i]);
evas_map_point_image_uv_set(m, i, sl->u[i] , sl->v[i]);
evas_map_point_color_set(m, i, 255, 255, 255, 255);
}
+ evas_object_map_enable_set(sl->obj, EINA_TRUE);
+ evas_object_image_fill_set(sl->obj, 0, 0, w, h);
+ evas_object_map_set(sl->obj, m);
+ evas_map_free(m);
+}
+static void
+_slice_3d(Slice *sl, Evas_Coord x, Evas_Coord y, Evas_Coord w, Evas_Coord h)
+{
+ Evas_Map *m = (Evas_Map *)evas_object_map_get(sl->obj);
+ if (!m) return;
+ // vanishing point is center of page, and focal dist is 1024
evas_map_util_3d_perspective(m, x + (w / 2), y + (h / 2), 0, 1024);
+ if (evas_map_util_clockwise_get(m)) evas_object_show(sl->obj);
+ else evas_object_hide(sl->obj);
+ evas_object_map_set(sl->obj, m);
+}
-/*
- evas_map_util_3d_lighting(m,
+static void
+_slice_light(Slice *sl, Evas_Coord x, Evas_Coord y, Evas_Coord w, Evas_Coord h)
+{
+ Evas_Map *m = (Evas_Map *)evas_object_map_get(sl->obj);
+ int i;
+
+ if (!m) return;
+ evas_map_util_3d_lighting(m,
+ // light position
+ // (centered over page 10 * h toward camera)
x + (w / 2) , y + (h / 2) , -h * 10,
- 255, 255, 255,
- 80 , 80 , 80);
+ 255, 255, 255, // light color
+ 80 , 80 , 80); // ambient minimum
+ // multiply brightness by 1.2 to make lightish bits all white so we dont
+ // add shading where we could otherwise be pure white
for (i = 0; i < 4; i++)
{
int r, g, b, a;
b = (double)b * 1.2; if (b > 255) b = 255;
evas_map_point_color_set(m, i, r, g, b, a);
}
- */
-
- evas_object_map_enable_set(sl->obj, EINA_TRUE);
- evas_object_image_fill_set(sl->obj, 0, 0, w, h);
evas_object_map_set(sl->obj, m);
- evas_map_free(m);
}
static void
{
for (i = 0; i < st->slices_w; i++)
{
- if (st->slices[num])
- {
- _slice_free(st->slices[num]);
- st->slices[num] = NULL;
- }
+ if (st->slices[num]) _slice_free(st->slices[num]);
+ if (st->slices2[num]) _slice_free(st->slices2[num]);
num++;
}
}
free(st->slices);
+ free(st->slices2);
st->slices = NULL;
- st->slices_w = 0;
- st->slices_h = 0;
+ st->slices2 = NULL;
}
+ st->slices_w = 0;
+ st->slices_h = 0;
}
-/*
-static void
-_slice_obj_vert_color_merge(Slice *s1, int p1, Slice *s2, int p2,
- Slice *s3, int p3, Slice *s4, int p4)
+static int
+_slice_obj_color_sum(Slice *s, int p, int *r, int *g, int *b, int *a)
{
- int r1 = 0, g1 = 0, b1 = 0, a1 = 0, r2 = 0, g2 = 0, b2 = 0, a2 = 0, n = 0;
Evas_Map *m;
+ int rr = 0, gg = 0, bb = 0, aa = 0;
- if (s1)
- {
- m = (Evas_Map *)evas_object_map_get(s1->obj);
- evas_map_point_color_get(m, p1, &r1, &g1, &b1, &a1);
- r2 += r1; g2 += g1; b2 += b1; a2 += a1;
- n++;
- }
- if (s2)
- {
- m = (Evas_Map *)evas_object_map_get(s2->obj);
- evas_map_point_color_get(m, p2, &r1, &g1, &b1, &a1);
- r2 += r1; g2 += g1; b2 += b1; a2 += a1;
- n++;
- }
- if (s3)
- {
- m = (Evas_Map *)evas_object_map_get(s3->obj);
- evas_map_point_color_get(m, p3, &r1, &g1, &b1, &a1);
- r2 += r1; g2 += g1; b2 += b1; a2 += a1;
- n++;
- }
- if (s4)
- {
- m = (Evas_Map *)evas_object_map_get(s4->obj);
- evas_map_point_color_get(m, p4, &r1, &g1, &b1, &a1);
- r2 += r1; g2 += g1; b2 += b1; a2 += a1;
- n++;
- }
-
- r2 /= n; g2 /= n; b2 /= n; a2 /= n;
+ if (!s) return 0;
+ m = (Evas_Map *)evas_object_map_get(s->obj);
+ if (!m) return 0;
+ evas_map_point_color_get(m, p, &rr, &gg, &bb, &aa);
+ *r += rr; *g += gg; *b += bb; *a += aa;
+ return 1;
+}
+
+static void
+_slice_obj_color_set(Slice *s, int p, int r, int g, int b, int a)
+{
+ Evas_Map *m;
- if (s1)
- {
- m = (Evas_Map *)evas_object_map_get(s1->obj);
- evas_map_point_color_set(m, p1, r2, g2, b2, a2);
- evas_object_map_set(s1->obj, m);
- }
- if (s2)
- {
- m = (Evas_Map *)evas_object_map_get(s2->obj);
- evas_map_point_color_set(m, p2, r2, g2, b2, a2);
- evas_object_map_set(s2->obj, m);
- }
- if (s3)
- {
- m = (Evas_Map *)evas_object_map_get(s3->obj);
- evas_map_point_color_set(m, p3, r2, g2, b2, a2);
- evas_object_map_set(s3->obj, m);
- }
- if (s4)
- {
- m = (Evas_Map *)evas_object_map_get(s4->obj);
- evas_map_point_color_set(m, p4, r2, g2, b2, a2);
- evas_object_map_set(s4->obj, m);
- }
+ if (!s) return;
+ m = (Evas_Map *)evas_object_map_get(s->obj);
+ if (!m) return;
+ evas_map_point_color_set(m, p, r, g, b, a);
+ evas_object_map_set(s->obj, m);
}
-*/
+
+static void
+_slice_obj_vert_color_merge(Slice *s1, int p1, Slice *s2, int p2,
+ Slice *s3, int p3, Slice *s4, int p4)
+{
+ int r = 0, g = 0, b = 0, a = 0, n = 0;
+
+ n += _slice_obj_color_sum(s1, p1, &r, &g, &b, &a);
+ n += _slice_obj_color_sum(s2, p2, &r, &g, &b, &a);
+ n += _slice_obj_color_sum(s3, p3, &r, &g, &b, &a);
+ n += _slice_obj_color_sum(s4, p4, &r, &g, &b, &a);
+ if (n < 1) return;
+ r /= n; g /= n; b /= n; a /= n;
+
+ _slice_obj_color_set(s1, p1, r, g, b, a);
+ _slice_obj_color_set(s2, p2, r, g, b, a);
+ _slice_obj_color_set(s3, p3, r, g, b, a);
+ _slice_obj_color_set(s4, p4, r, g, b, a);
+}
+
static int
_state_update(State *st)
{
int i, j, num;
Slice *sl;
double b, minv = 0.0, minva, mgrad;
- int gx, gy, gsz, gw, gh;
+ int gx, gy, gszw, gszh, gw, gh, col, row, nw, nh;
double rho, A, theta, perc, percm, n, rhol, Al, thetal;
evas_object_geometry_get(st->orig, &x, &y, &w, &h);
b = (h / 2);
mgrad = (double)(y1 - y2) / (double)(x1 - x2);
-
- gsz = 16;
-
- _state_slices_clear(st);
-
- st->slices_w = (w + gsz - 1) / gsz;
- st->slices_h = (h + gsz - 1) / gsz;
- st->slices = calloc(st->slices_w * st->slices_h, sizeof(Slice *));
- if (!st->slices) return 0;
if (mx < 1) mx = 1; // quick hack to keep curl line visible
}
}
- // DEBUG
- static Evas_Object *ol = NULL;
- Evas_Coord lx1, ly1, lx2, ly2;
- if (!ol) ol = evas_object_line_add(evas_object_evas_get(st->win));
- evas_object_color_set(ol, 128, 0, 0, 128);
- lx1 = x;
- ly1 = y + b;
- lx2 = x + w;
- ly2 = y + b + (-minv * w);
- evas_object_line_xy_set(ol, lx1, ly1, lx2, ly2);
- evas_object_show(ol);
- // END DEBUG
- //
perc = (double)x2 / (double)x1;
percm = (double)mx / (double)x1;
if (perc < 0.0) perc = 0.0;
n = n * n;
n = 1.0 - n;
thetal = 7.86 + n;
+
+ nw = 20;
+ nh = 20;
+ if (nw < 1) nw = 1;
+ if (nh < 1) nh = 1;
+ gszw = w / nw;
+ gszh = h / nh;
+ if (gszw < 8) gszw = 8;
+ if (gszh < 8) gszh = 8;
- num = 0;
- for (gx = 0; gx < w; gx += gsz)
+ _state_slices_clear(st);
+
+ st->slices_w = (w + gszw - 1) / gszw;
+ st->slices_h = (h + gszh - 1) / gszh;
+ st->slices = calloc(st->slices_w * st->slices_h, sizeof(Slice *));
+ if (!st->slices) return 0;
+ st->slices2 = calloc(st->slices_w * st->slices_h, sizeof(Slice *));
+ if (!st->slices2)
+ {
+ free(st->slices);
+ st->slices = NULL;
+ return 0;
+ }
+
+ for (col = 0, gx = 0; gx < w; gx += gszh, col++)
{
- for (gy = 0; gy < h; gy += gsz)
+ num = st->slices_h * col;
+ for (row = 0, gy = 0; gy < h; gy += gszw, row++)
{
Vertex2 vi[4], vil[2];
Vertex3 vo[4], vol[2];
- gw = gsz;
- gh = gsz;
+ gw = gszw;
+ gh = gszh;
if ((gx + gw) > w) gw = w - gx;
if ((gy + gh) > h) gh = h - gy;
vil[1].x = gx + gw; vil[1].y = h - (gx + gw);
for (i = 0; i < 2; i++)
- {
- _deform_point(&(vil[i]), &(vol[i]), rhol, thetal, Al);
- }
+ _deform_point(&(vil[i]), &(vol[i]), rhol, thetal, Al);
for (i = 0; i < 4; i++)
- {
- _deform_point(&(vi[i]), &(vo[i]), rho, theta, A);
- }
+ _deform_point(&(vi[i]), &(vo[i]), rho, theta, A);
n = minva * sin(perc * M_PI);
n = n * n;
vol[0].y = gy;
}
sl = _slice_new(st);
- st->slices[num] = sl;
- num++;
+ if (b > 0) st->slices[num + st->slices_h - row - 1] = sl;
+ else st->slices[num + row] = sl;
_slice_xyz(sl,
vo[0].x, vo[0].y, vo[0].z,
vo[1].x, vo[1].y, vo[1].z,
gx, h - (gy + gh), gx + gw, h - (gy + gh),
gx + gw, h - gy, gx, h - gy);
_slice_apply(sl, x, y, w, h);
+
+ sl = _slice_new(st);
+ if (b > 0) st->slices2[num + st->slices_h - row - 1] = sl;
+ else st->slices2[num + row] = sl;
+ _slice_xyz(sl,
+ vo[1].x, vo[1].y, vo[1].z,
+ vo[0].x, vo[0].y, vo[0].z,
+ vo[3].x, vo[3].y, vo[3].z,
+ vo[2].x, vo[2].y, vo[2].z);
+ if (b <= 0)
+ _slice_uv(sl,
+ w - (gx + gw), gy, w - (gx), gy,
+ w - (gx), gy + gh, w - (gx + gw), gy + gh);
+ else
+ _slice_uv(sl,
+ w - (gx + gw), h - (gy + gh), w - (gx), h - (gy + gh),
+ w - (gx), h - gy, w - (gx + gw), h - gy);
+ _slice_apply(sl, x, y, w, h);
}
}
- // FIX shading in the verticies to blend at the points
-/*
num = 0;
for (j = 0; j < st->slices_h; j++)
{
for (i = 0; i < st->slices_w; i++)
{
+ _slice_light(st->slices[num], x, y, w, h);
+ _slice_light(st->slices2[num], x, y, w, h);
+ num++;
+ }
+ }
+
+ for (i = 0; i <= st->slices_w; i++)
+ {
+ num = i * st->slices_h;
+ for (j = 0; j <= st->slices_h; j++)
+ {
Slice *s[4];
s[0] = s[1] = s[2] = s[3] = NULL;
- if ((i > 0) && (j > 0)) s[0] = st->slices[num - 1 - st->slices_w];
- if (j > 0) s[1] = st->slices[num - st->slices_w];
-
- if (i > 0) s[2] = st->slices[num - 1];
- s[3] = st->slices[num];
-
+ if ((i > 0) && (j > 0))
+ s[0] = st->slices[num - 1 - st->slices_h];
+ if ((i < st->slices_w) && (j > 0))
+ s[1] = st->slices[num - 1];
+ if ((i > 0) && (j < st->slices_h))
+ s[2] = st->slices[num - st->slices_h];
+ if ((i < st->slices_w) && (j < st->slices_h))
+ s[3] = st->slices[num];
_slice_obj_vert_color_merge(s[0], 2, s[1], 3,
s[2], 1, s[3], 0);
+ s[0] = s[1] = s[2] = s[3] = NULL;
+
+ if ((i > 0) && (j > 0))
+ s[0] = st->slices2[num - 1 - st->slices_h];
+ if ((i < st->slices_w) && (j > 0))
+ s[1] = st->slices2[num - 1];
+ if ((i > 0) && (j < st->slices_h))
+ s[2] = st->slices2[num - st->slices_h];
+ if ((i < st->slices_w) && (j < st->slices_h))
+ s[3] = st->slices2[num];
+ _slice_obj_vert_color_merge(s[0], 3, s[1], 2,
+ s[2], 0, s[3], 1);
num++;
}
}
- */
+
+ num = 0;
+ for (i = 0; i < st->slices_w; i++)
+ {
+ for (j = 0; j < st->slices_h; j++)
+ {
+ _slice_3d(st->slices[num], x, y, w, h);
+ _slice_3d(st->slices2[num], x, y, w, h);
+ num++;
+ }
+ }
+
return 1;
}
+static void
+_update_curl_job(void *data)
+{
+ State *st = data;
+ st->job = NULL;
+ if (_state_update(st)) evas_object_lower(st->orig);
+}
static void
im_down_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj, void *event_info)
state.x = ev->cur.canvas.x - x;
state.y = ev->cur.canvas.y - y;
printf("@ %i %i\n", state.x, state.y);
- if (_state_update(&state))
- evas_object_lower(obj);
+ if (state.job) ecore_job_del(state.job);
+ state.job = ecore_job_add(_update_curl_job, &state);
}
void
PACKAGE_DATA_DIR, "twofish.jpg");
evas_object_image_file_set(im, buf, NULL);
#endif
- evas_object_move(im, 140, 140);
- evas_object_resize(im, 200, 200);
+ evas_object_move(im, 40, 40);
+ evas_object_resize(im, 400, 400);
evas_object_show(im);
evas_object_event_callback_add(im, EVAS_CALLBACK_MOUSE_DOWN, im_down_cb, win);