316 lines
9.9 KiB
C
316 lines
9.9 KiB
C
#ifdef HAVE_CONFIG_H
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# include "elementary_config.h"
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#endif
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#include <Elementary.h>
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#define SEGMENT_MAX 200
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#define WIN_W 400
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#define BTN_SIZE 50
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#define WIN_H (400 + BTN_SIZE)
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#define CTRL_W 15
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#define CTRL_H 15
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typedef struct
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{
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Evas *e;
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Evas_Object *win;
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Evas_Object *rev_btn;
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Evas_Object *ctrl_pt1;
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Evas_Object *ctrl_pt2;
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Evas_Object *ctrl_pt1_line;
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Evas_Object *ctrl_pt2_line;
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Evas_Object *label;
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Evas_Object *line[SEGMENT_MAX];
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Eina_Bool ctrl_pt1_down;
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Eina_Bool ctrl_pt2_down;
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} transit_data;
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static void
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_transit_revert(void *data, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
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{
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Elm_Transit *trans = (Elm_Transit*)data;
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elm_transit_revert(trans);
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}
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static void
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v_get(transit_data *td, double *v1, double *v2, double *v3, double *v4)
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{
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Evas_Coord x, w, y, h;
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//update control points values
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evas_object_geometry_get(td->ctrl_pt1, &x, &y, &w, &h);
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*v1 = (double) (x - (w/2)) / WIN_W;
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*v2 = 1 - (double) (y - (h/2)) / (WIN_H - BTN_SIZE);
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evas_object_geometry_get(td->ctrl_pt2, &x, &y, &w, &h);
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*v3 = (double) (x - (w/2)) / WIN_W;
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*v4 = 1 - (double) (y - (h/2)) / (WIN_H - BTN_SIZE);
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}
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static void
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update_curve(transit_data *td)
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{
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double v[4];
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int i = 0;
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double progress;
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Evas_Coord prev_x = 0, prev_y = (WIN_H - BTN_SIZE - 1);
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Evas_Coord cur_x, cur_y;
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double tx, ty;
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char buf[256];
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v_get(td, &v[0], &v[1], &v[2], &v[3]);
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for (i = 0; i < SEGMENT_MAX; i++)
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{
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progress = (((double) i) / (SEGMENT_MAX - 1));
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tx = (pow((1 - progress), 3) * 0) +
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(3 * progress * pow((1 - progress), 2) * v[0]) +
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(3 * pow(progress, 2) * (1 - progress) * v[2]) +
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(pow(progress, 3) * 1);
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ty = (pow((1 - progress), 3) * 0) +
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(3 * progress * pow((1 - progress), 2) * v[1]) +
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(3 * pow(progress, 2) * (1 - progress) * v[3]) +
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(pow(progress, 3) * 1);
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cur_x = (int)(tx * WIN_W);
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cur_y = ((WIN_H - BTN_SIZE - 1) - ((int)(ty * (WIN_H - BTN_SIZE))));
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evas_object_line_xy_set(td->line[i], prev_x, prev_y, cur_x, cur_y);
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evas_object_anti_alias_set(td->line[i], EINA_TRUE);
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evas_object_color_set(td->line[i], 255, 50, 50, 255);
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prev_x = cur_x;
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prev_y = cur_y;
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}
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snprintf(buf, sizeof(buf),
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"<align=left><b>Control Points:</b></br>"
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"x1: %0.2f y1: %0.2f</br>"
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"x2: %0.2f y2: %0.2f</align>",
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v[0], v[1], v[2], v[3]);
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elm_object_text_set(td->label, buf);
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}
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static void
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ctrl_pt1_mouse_move_cb(void *data, Evas *e EINA_UNUSED,
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Evas_Object *obj, void *event_info)
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{
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Evas_Event_Mouse_Move *ev = event_info;
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transit_data *td = data;
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Evas_Coord x, y, w, h;
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if (!td->ctrl_pt1_down) return;
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evas_object_geometry_get(obj, NULL, NULL, &w, &h);
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x = (ev->cur.canvas.x - (w/2));
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y = (ev->cur.canvas.y - (h/2));
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if (x < -(w/2)) x = -(w/2);
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if (y < -(h/2)) y = -(h/2);
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if (x > WIN_W) x = WIN_W - (w/2);
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if (y > WIN_H) y = WIN_H - (h/2);
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evas_object_move(obj, x, y);
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evas_object_line_xy_set(td->ctrl_pt1_line,
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(x + (w/2)), (y + (h/2)), 0, WIN_W);
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update_curve(td);
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}
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static void
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ctrl_pt2_mouse_move_cb(void *data, Evas *e EINA_UNUSED,
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Evas_Object *obj, void *event_info)
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{
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Evas_Event_Mouse_Move *ev = event_info;
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transit_data *td = data;
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Evas_Coord x, y, w, h;
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if (!td->ctrl_pt2_down) return;
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evas_object_geometry_get(obj, NULL, NULL, &w, &h);
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x = (ev->cur.canvas.x - (w/2));
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y = (ev->cur.canvas.y - (h/2));
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if (x < -(w/2)) x = -(w/2);
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if (y < -(h/2)) y = -(h/2);
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if (x > WIN_W) x = WIN_W - (w/2);
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if (y > WIN_H) y = WIN_H - (h/2);
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evas_object_move(obj, x, y);
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evas_object_line_xy_set(td->ctrl_pt2_line,
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(x + (w/2)), (y + (h/2)), WIN_W, 0);
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update_curve(td);
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}
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static void
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ctrl_pt1_mouse_down_cb(void *data, Evas *e EINA_UNUSED,
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Evas_Object *obj EINA_UNUSED,
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void *event_info EINA_UNUSED)
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{
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transit_data *td = data;
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td->ctrl_pt1_down = EINA_TRUE;
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}
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static void
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ctrl_pt1_mouse_up_cb(void *data, Evas *e EINA_UNUSED,
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Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
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{
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transit_data *td = data;
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td->ctrl_pt1_down = EINA_FALSE;
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}
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static void
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ctrl_pt2_mouse_down_cb(void *data, Evas *e EINA_UNUSED,
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Evas_Object *obj EINA_UNUSED,
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void *event_info EINA_UNUSED)
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{
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transit_data *td = data;
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td->ctrl_pt2_down = EINA_TRUE;
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}
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static void
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ctrl_pt2_mouse_up_cb(void *data, Evas *e EINA_UNUSED,
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Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
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{
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transit_data *td = data;
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td->ctrl_pt2_down = EINA_FALSE;
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}
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static void
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transit_del_cb(void *data, Elm_Transit *transit EINA_UNUSED)
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{
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transit_data *td = data;
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evas_object_show(td->ctrl_pt1);
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evas_object_show(td->ctrl_pt2);
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evas_object_show(td->ctrl_pt1_line);
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evas_object_show(td->ctrl_pt2_line);
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evas_object_smart_callback_del(td->rev_btn, "clicked", _transit_revert);
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elm_object_disabled_set(td->rev_btn, EINA_TRUE);
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}
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static void
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btn_clicked_cb(void *data, Evas_Object *obj, void *event_info EINA_UNUSED)
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{
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double v[4];
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transit_data *td = data;
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v_get(td, &v[0], &v[1], &v[2], &v[3]);
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Elm_Transit *transit = elm_transit_add();
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elm_transit_object_add(transit, obj);
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elm_transit_tween_mode_set(transit, ELM_TRANSIT_TWEEN_MODE_BEZIER_CURVE);
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elm_transit_tween_mode_factor_n_set(transit, 4, v);
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elm_transit_effect_translation_add(transit, 0, 0, (WIN_W - BTN_SIZE), 0);
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elm_transit_auto_reverse_set(transit, EINA_TRUE);
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elm_transit_del_cb_set(transit, transit_del_cb, td);
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elm_transit_duration_set(transit, 1);
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elm_transit_go(transit);
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evas_object_smart_callback_add(td->rev_btn, "clicked", _transit_revert, transit);
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elm_object_disabled_set(td->rev_btn, EINA_FALSE);
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evas_object_hide(td->ctrl_pt1);
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evas_object_hide(td->ctrl_pt2);
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evas_object_hide(td->ctrl_pt1_line);
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evas_object_hide(td->ctrl_pt2_line);
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}
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void
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test_transit_bezier(void *data EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
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{
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static transit_data td;
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char buf[PATH_MAX];
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Evas_Object *bg;
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int i;
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memset(&td, 0x0, sizeof(td));
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//Win
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td.win = elm_win_add(NULL, "test", ELM_WIN_BASIC);
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elm_win_title_set(td.win, "Transit Bezier");
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elm_win_autodel_set(td.win, EINA_TRUE);
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td.e = evas_object_evas_get(td.win);
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//BG. Fix window size
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bg = elm_bg_add(td.win);
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evas_object_size_hint_min_set(bg, WIN_W, WIN_H);
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elm_win_resize_object_add(td.win, bg);
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evas_object_show(bg);
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snprintf(buf, sizeof(buf), "%s/images/bubble.png", elm_app_data_dir_get());
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//Create Lines
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for (i = 0; i < SEGMENT_MAX; i++)
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{
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td.line[i] = evas_object_line_add(td.e);
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evas_object_resize(td.line[i], WIN_W, (WIN_H - BTN_SIZE));
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evas_object_show(td.line[i]);
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}
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//Control Point 1 Line
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td.ctrl_pt1_line = evas_object_line_add(td.e);
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evas_object_pass_events_set(td.ctrl_pt1_line, EINA_TRUE);
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evas_object_resize(td.ctrl_pt1_line, WIN_W, WIN_H);
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evas_object_anti_alias_set(td.ctrl_pt1_line, EINA_TRUE);
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evas_object_color_set(td.ctrl_pt1_line, 0, 174, 219, 255);
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evas_object_line_xy_set(td.ctrl_pt1_line, 0, WIN_W,
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(100 + (CTRL_W/2)) , (300 + (CTRL_H/2)));
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evas_object_show(td.ctrl_pt1_line);
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//Control Point 1
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td.ctrl_pt1 = evas_object_image_filled_add(td.e);
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evas_object_image_file_set(td.ctrl_pt1, buf, NULL);
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evas_object_resize(td.ctrl_pt1, CTRL_W, CTRL_H);
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evas_object_move(td.ctrl_pt1, 100, 300);
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evas_object_event_callback_add(td.ctrl_pt1, EVAS_CALLBACK_MOUSE_MOVE,
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ctrl_pt1_mouse_move_cb, &td);
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evas_object_event_callback_add(td.ctrl_pt1, EVAS_CALLBACK_MOUSE_DOWN,
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ctrl_pt1_mouse_down_cb, &td);
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evas_object_event_callback_add(td.ctrl_pt1, EVAS_CALLBACK_MOUSE_UP,
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ctrl_pt1_mouse_up_cb, &td);
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evas_object_show(td.ctrl_pt1);
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//Control Point 2 Line
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td.ctrl_pt2_line = evas_object_line_add(td.e);
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evas_object_pass_events_set(td.ctrl_pt2_line, EINA_TRUE);
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evas_object_resize(td.ctrl_pt2_line, WIN_W, WIN_H);
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evas_object_anti_alias_set(td.ctrl_pt2_line, EINA_TRUE);
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evas_object_color_set(td.ctrl_pt2_line, 219, 174, 0, 255);
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evas_object_line_xy_set(td.ctrl_pt2_line, WIN_W, 0,
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(300 + (CTRL_W/2)), (100 + (CTRL_H/2)));
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evas_object_show(td.ctrl_pt2_line);
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//Control Point 2
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td.ctrl_pt2 = evas_object_image_filled_add(td.e);
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evas_object_image_file_set(td.ctrl_pt2, buf, NULL);
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evas_object_resize(td.ctrl_pt2, CTRL_W, CTRL_H);
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evas_object_move(td.ctrl_pt2, 300, 100);
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evas_object_event_callback_add(td.ctrl_pt2, EVAS_CALLBACK_MOUSE_MOVE,
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ctrl_pt2_mouse_move_cb, &td);
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evas_object_event_callback_add(td.ctrl_pt2, EVAS_CALLBACK_MOUSE_DOWN,
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ctrl_pt2_mouse_down_cb, &td);
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evas_object_event_callback_add(td.ctrl_pt2, EVAS_CALLBACK_MOUSE_UP,
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ctrl_pt2_mouse_up_cb, &td);
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evas_object_show(td.ctrl_pt2);
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//Label
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td.label = elm_label_add(td.win);
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evas_object_resize(td.label, WIN_W, 50);
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evas_object_pass_events_set(td.label, EINA_TRUE);
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evas_object_show(td.label);
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td.rev_btn = elm_button_add(td.win);
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elm_object_text_set(td.rev_btn, "Revert");
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evas_object_resize(td.rev_btn, 50, 50);
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evas_object_move(td.rev_btn, 100, 0);
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evas_object_show(td.rev_btn);
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elm_object_disabled_set(td.rev_btn, EINA_TRUE);
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//Button
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Evas_Object *btn = elm_button_add(td.win);
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elm_object_text_set(btn, "Go");
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evas_object_smart_callback_add(btn, "clicked", btn_clicked_cb, &td);
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evas_object_resize(btn, BTN_SIZE, BTN_SIZE);
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evas_object_move(btn, 0, (WIN_H - BTN_SIZE));
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evas_object_show(btn);
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update_curve(&td);
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evas_object_resize(td.win, WIN_W, WIN_H);
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evas_object_show(td.win);
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}
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