590 lines
18 KiB
C
590 lines
18 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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#ifndef ELM_LIB_QUICKLAUNCH
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/* We zoom out to this value so we'll be able to use map and have a nice
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* resolution when zooming in. */
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#define BASE_ZOOM 0.8
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#define MIN_ZOOM 0.4
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/* The amount of zoom to do when "lifting" objects. */
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#define LIFT_FACTOR 1.3
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/* The base size of the shadow image. */
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#define SHADOW_W 118
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#define SHADOW_H 118
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//#define RAD2DEG(x) ((x) * 57.295779513)
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#define MOMENTUM_FACTOR 30
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#define MOMENTUM_FRICTION 1000
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#define ROTATE_MOMENTUM_FRICTION 30
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#define ZOOM_MOMENTUM_FRICTION 8
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struct _Photo_Object {
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Evas_Object *ic, *shadow;
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Evas_Object *hit;
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Evas_Object *gl;
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/* 3 transit object to implement momentum animation */
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Elm_Transit *zoom_momentum;
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Ecore_Animator *rot_timer;
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Ecore_Animator *mom_timer;
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double rot_tot_time;
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double rot_progress;
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/* bx, by - current wanted coordinates of the photo object.
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* bw, bh - original size of the "ic" object.
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* dx, dy - Used to indicate the distance between the center point
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* m_dx, m_dy - momentum delta to apply with momentum transit
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* where we put down our fingers (when started moving the item) to
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* the coords of the object, so we'll be able to calculate movement
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* correctly. */
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Evas_Coord bx, by, bw, bh, dx, dy, m_dx, m_dy;
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/* Because gesture layer only knows the amount of rotation/zoom we do
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* per gesture, we have to keep the current rotate/zoom factor and the
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* one that was before we started the gesture. */
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int base_rotate, rotate; /* base - initial angle */
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double mx, my; /* momentum on x, y */
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double mom_x_acc, mom_y_acc;
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double rot_momentum, zoom_mom;
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double mom_tot_time;
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double zoom_mom_time;
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double base_zoom, zoom;
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double shadow_zoom;
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};
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typedef struct _Photo_Object Photo_Object;
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/* This function applies the information from the Photo_Object to the actual
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* evas objects. Zoom/rotate factors and etc. */
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static void
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apply_changes(Photo_Object *po)
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{
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Evas_Map *map;
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map = evas_map_new(4);
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evas_map_point_coord_set(map, 0, po->bx, po->by, 0);
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evas_map_point_coord_set(map, 1, po->bx + po->bw, po->by, 0);
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evas_map_point_coord_set(map, 2, po->bx + po->bw, po->by + po->bh, 0);
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evas_map_point_coord_set(map, 3, po->bx, po->by + po->bh, 0);
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evas_map_point_image_uv_set(map, 0, 0, 0);
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evas_map_point_image_uv_set(map, 1, po->bw, 0);
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evas_map_point_image_uv_set(map, 2, po->bw, po->bh);
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evas_map_point_image_uv_set(map, 3, 0, po->bh);
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evas_map_util_rotate(map, po->rotate,
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po->bx + po->bw / 2, po->by + po->bh /2);
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evas_map_util_zoom(map, po->zoom, po->zoom,
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po->bx + po->bw / 2, po->by + po->bh /2);
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evas_object_map_enable_set(po->ic, EINA_TRUE);
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evas_object_map_set(po->ic, map);
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{
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Evas_Map *shadow_map = evas_map_new(4);
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evas_map_point_coord_set(shadow_map, 0, po->bx, po->by, 0);
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evas_map_point_coord_set(shadow_map, 1, po->bx + po->bw, po->by, 0);
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evas_map_point_coord_set(shadow_map, 2,
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po->bx + po->bw, po->by + po->bh, 0);
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evas_map_point_coord_set(shadow_map, 3, po->bx, po->by + po->bh, 0);
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evas_map_point_image_uv_set(shadow_map, 0, 0, 0);
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evas_map_point_image_uv_set(shadow_map, 1, SHADOW_W, 0);
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evas_map_point_image_uv_set(shadow_map, 2, SHADOW_W, SHADOW_H);
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evas_map_point_image_uv_set(shadow_map, 3, 0, SHADOW_H);
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evas_map_util_rotate(shadow_map, po->rotate,
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po->bx + po->bw / 2, po->by + po->bh /2);
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evas_map_util_zoom(shadow_map, po->zoom * po->shadow_zoom,
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po->zoom * po->shadow_zoom,
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po->bx + (po->bw / 2), po->by + (po->bh / 2));
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evas_object_map_enable_set(po->shadow, EINA_TRUE);
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evas_object_map_set(po->shadow, shadow_map);
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evas_map_free(shadow_map);
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}
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/* Update the position of the hit box */
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{
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Evas_Coord minx, miny, maxx, maxy;
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int i;
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evas_object_polygon_points_clear(po->hit);
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evas_map_point_coord_get(map, 0, &minx, &miny, NULL);
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maxx = minx;
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maxy = miny;
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evas_object_polygon_point_add(po->hit, minx, miny);
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for (i = 1 ; i <= 3 ; i++)
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{
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Evas_Coord x, y;
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evas_map_point_coord_get(map, i, &x, &y, NULL);
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evas_object_polygon_point_add(po->hit, x, y);
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if (x < minx)
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minx = x;
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else if (x > maxx)
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maxx = x;
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if (y < miny)
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miny = y;
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else if (y > maxy)
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maxy = y;
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}
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}
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evas_object_raise(po->shadow);
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evas_object_raise(po->ic);
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evas_object_raise(po->hit);
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evas_map_free(map);
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}
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/* Zoom momentum animation */
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static void
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zoom_momentum_animation_operation(void *_po, Elm_Transit *transit __UNUSED__,
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double progress)
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{
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Photo_Object *po = (Photo_Object *) _po;
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double time_prog = po->zoom_mom_time * progress;
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double zoom_fric = ZOOM_MOMENTUM_FRICTION;
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if (po->zoom_mom > 0)
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zoom_fric *= -1;
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/* Current = rot0 + (rotv0 * t) + (a * t^2 / 2) */
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po->zoom = po->base_zoom +
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((po->zoom_mom * time_prog) +
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(zoom_fric * (time_prog * time_prog) / 2));
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printf("%f = %f + (%f + %f)\n", po->zoom, po->base_zoom,
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(po->zoom_mom * time_prog),
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(zoom_fric * (time_prog * time_prog) / 2));
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if (po->zoom < MIN_ZOOM)
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po->zoom = MIN_ZOOM;
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apply_changes(po);
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}
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static void
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zoom_momentum_animation_end(void *_po, Elm_Transit *transit __UNUSED__)
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{
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Photo_Object *po = (Photo_Object *) _po;
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po->base_zoom = po->zoom;
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po->zoom_momentum = NULL;
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}
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/* Rotate momentum animation */
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static Eina_Bool
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rotate_momentum_animation_operation(void *_po)
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{
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Eina_Bool rc = ECORE_CALLBACK_RENEW;
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int deg_friction = ROTATE_MOMENTUM_FRICTION;
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Photo_Object *po = (Photo_Object *) _po;
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po->rot_progress += ecore_animator_frametime_get();
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if (po->rot_progress > po->rot_tot_time)
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{
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po->rot_timer = NULL;
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po->rot_progress = po->rot_tot_time;
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rc = ECORE_CALLBACK_CANCEL;
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}
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if (po->rot_momentum > 0)
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deg_friction *= -1;
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/* Current = rot0 + (rotv0 * t) + (a * t^2 / 2) */
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po->rotate = po->base_rotate -
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((po->rot_momentum * po->rot_progress) +
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(deg_friction * (po->rot_progress * po->rot_progress) / 2));
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po->rotate = (po->rotate % 360);
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if (po->rotate < 0)
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po->rotate += 360;
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printf("%d = %d - (%f + %f)\n", po->rotate, po->base_rotate,
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(po->rot_momentum * po->rot_progress),
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(deg_friction * (po->rot_progress * po->rot_progress) / 2));
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if (rc == ECORE_CALLBACK_CANCEL)
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{
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po->base_rotate = po->rotate;
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printf("%s po->rotate=<%d>\n", __func__, po->rotate);
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}
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apply_changes(po);
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return rc;
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}
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static void
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pic_obj_keep_inframe(void *_po)
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{ /* Make sure middle is in the screen, if not, fix it. */
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/* FIXME: Use actual window sizes instead of the hardcoded
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* values */
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Photo_Object *po = (Photo_Object *) _po;
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Evas_Coord mx, my;
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mx = po->bx + (po->bw / 2);
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my = po->by + (po->bh / 2);
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if (mx < 0)
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po->bx = 0 - (po->bw / 2);
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else if (mx > 480)
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po->bx = 480 - (po->bw / 2);
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if (my < 0)
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po->by = 0 - (po->bw / 2);
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else if (my > 800)
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po->by = 800 - (po->bh / 2);
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}
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static Evas_Event_Flags
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rotate_start(void *_po, void *event_info)
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{
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Photo_Object *po = (Photo_Object *) _po;
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Elm_Gesture_Rotate_Info *p = (Elm_Gesture_Rotate_Info *) event_info;
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printf("rotate start <%d,%d> po->rotate=<%d> base=<%f> p->angle=<%f>\n", p->x, p->y, po->rotate,
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p->base_angle, p->angle);
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/* If there's an active animator, stop it */
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if (po->rot_timer)
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{
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po->base_rotate = po->rotate;
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ecore_animator_del(po->rot_timer);
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po->rot_timer = NULL;
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}
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return EVAS_EVENT_FLAG_NONE;
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}
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static Evas_Event_Flags
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rotate_move(void *_po, void *event_info)
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{
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Photo_Object *po = (Photo_Object *) _po;
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Elm_Gesture_Rotate_Info *p = (Elm_Gesture_Rotate_Info *) event_info;
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printf("rotate move <%d,%d> base=<%f> <%f> m=<%f>\n", p->x, p->y,
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p->base_angle, p->angle, p->momentum);
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po->rotate = po->base_rotate + (int) (p->angle - p->base_angle);
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if (po->rotate < 0)
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po->rotate += 360;
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apply_changes(po);
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return EVAS_EVENT_FLAG_NONE;
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}
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static Evas_Event_Flags
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rotate_end(void *_po, void *event_info)
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{
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Photo_Object *po = (Photo_Object *) _po;
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Elm_Gesture_Rotate_Info *r_info = (Elm_Gesture_Rotate_Info *) event_info;
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printf("rotate end <%d,%d> base=<%f> <%f> m=<%f>\n", r_info->x, r_info->y,
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r_info->base_angle, r_info->angle, r_info->momentum);
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if (po->rotate < 0)
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po->rotate += 360;
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po->base_rotate = po->rotate;
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/* Apply the rotate-momentum */
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po->rot_tot_time = fabs(r_info->momentum) / ROTATE_MOMENTUM_FRICTION;
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po->rot_momentum = r_info->momentum;
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po->rot_progress = 0.0;
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if (po->rot_momentum)
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{
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po->rot_timer = ecore_animator_add(rotate_momentum_animation_operation, po);
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}
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return EVAS_EVENT_FLAG_NONE;
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}
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static Evas_Event_Flags
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rotate_abort(void *_po, void *event_info)
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{
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Photo_Object *po = (Photo_Object *) _po;
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Elm_Gesture_Rotate_Info *p = (Elm_Gesture_Rotate_Info *) event_info;
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printf("rotate abort <%d,%d> base=<%f> <%f>\n", p->x, p->y,
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p->base_angle, p->angle);
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po->base_rotate = po->rotate;
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if (po->rotate < 0)
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po->rotate += 360;
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return EVAS_EVENT_FLAG_NONE;
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}
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static Evas_Event_Flags
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zoom_start(void *_po, void *event_info)
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{
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Photo_Object *po = (Photo_Object *) _po;
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Elm_Gesture_Zoom_Info *p = (Elm_Gesture_Zoom_Info *) event_info;
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printf("zoom start <%d,%d> <%f>\n", p->x, p->y, p->zoom);
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/* If there's an active animator, stop it */
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if (po->zoom_momentum)
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{
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elm_transit_del(po->zoom_momentum);
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po->zoom_momentum = NULL;
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}
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return EVAS_EVENT_FLAG_NONE;
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}
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static Evas_Event_Flags
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zoom_move(void *_po, void *event_info)
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{
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Photo_Object *po = (Photo_Object *) _po;
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Elm_Gesture_Zoom_Info *p = (Elm_Gesture_Zoom_Info *) event_info;
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printf("zoom move <%d,%d> <%f> momentum=<%f>\n", p->x, p->y, p->zoom, p->momentum);
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po->zoom = po->base_zoom * p->zoom;
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apply_changes(po);
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return EVAS_EVENT_FLAG_NONE;
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}
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static Evas_Event_Flags
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zoom_end(void *_po, void *event_info)
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{
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Photo_Object *po = (Photo_Object *) _po;
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Elm_Gesture_Zoom_Info *p = (Elm_Gesture_Zoom_Info *) event_info;
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printf("zoom end/abort <%d,%d> <%f> momentum=<%f>\n", p->x, p->y,
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p->zoom, p->momentum);
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/* Apply the zoom-momentum or zoom out animator */
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double tot_time = fabs(p->momentum) / ZOOM_MOMENTUM_FRICTION;
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po->zoom_mom_time = tot_time;
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po->zoom_mom = p->momentum;
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po->base_zoom = po->zoom;
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if (po->zoom_mom)
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{
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po->zoom_momentum = elm_transit_add();
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elm_transit_duration_set(po->zoom_momentum,
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tot_time);
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elm_transit_effect_add(po->zoom_momentum,
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zoom_momentum_animation_operation, po,
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zoom_momentum_animation_end);
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elm_transit_go(po->zoom_momentum);
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}
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return EVAS_EVENT_FLAG_NONE;
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}
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static Evas_Event_Flags
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momentum_start(void *_po, void *event_info)
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{
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Photo_Object *po = (Photo_Object *) _po;
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Elm_Gesture_Momentum_Info *p = (Elm_Gesture_Momentum_Info *) event_info;
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printf("momentum_start po->rotate=<%d> <%d,%d>\n", po->rotate, p->x2, p->y2);
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/* If there's an active animator, stop it */
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if (po->mom_timer)
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{
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ecore_animator_del(po->mom_timer);
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po->mom_timer = NULL;
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}
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po->dx = p->x2 - po->bx;
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po->dy = p->y2 - po->by;
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apply_changes(po);
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return EVAS_EVENT_FLAG_NONE;
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}
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static Evas_Event_Flags
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momentum_move(void *_po, void *event_info)
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{
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Photo_Object *po = (Photo_Object *) _po;
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Elm_Gesture_Momentum_Info *p = (Elm_Gesture_Momentum_Info *) event_info;
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printf("momentum move <%d,%d> fingers=<%d> mx,my=<%d,%d>\n", p->x2, p->y2, p->n, p->mx, p->my);
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po->bx = p->x2 - po->dx;
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po->by = p->y2 - po->dy;
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apply_changes(po);
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return EVAS_EVENT_FLAG_NONE;
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}
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/* Momentum animation */
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static Eina_Bool
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momentum_animation_operation(void *_po)
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{
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Photo_Object *po = (Photo_Object *) _po;
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Eina_Bool rc = ECORE_CALLBACK_RENEW;
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Evas_Coord x = po->bx;
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Evas_Coord y = po->by;
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po->mom_tot_time -= ecore_animator_frametime_get();
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if (po->mom_tot_time <= 0)
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{
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po->mom_timer = NULL;
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rc = ECORE_CALLBACK_CANCEL;
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}
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/* x = v0t + 0.5at^2 */
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po->bx += ((po->mx * po->mom_tot_time) +
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(0.5 * po->mom_x_acc * (po->mom_tot_time * po->mom_tot_time)));
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po->by += ((po->my * po->mom_tot_time) +
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(0.5 * po->mom_y_acc * (po->mom_tot_time * po->mom_tot_time)));
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printf("%s prev_bx-new_bx,y=(%d,%d)\n", __func__, x-po->bx, y-po->by);
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if (rc == ECORE_CALLBACK_CANCEL)
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pic_obj_keep_inframe(po);
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apply_changes(po);
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return rc;
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}
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static Evas_Event_Flags
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momentum_end(void *_po, void *event_info)
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{
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Photo_Object *po = (Photo_Object *) _po;
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Elm_Gesture_Momentum_Info *p = (Elm_Gesture_Momentum_Info *) event_info;
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printf("momentum end x2,y2=<%d,%d> mx,my=<%d,%d>\n", p->x2, p->y2, p->mx, p->my);
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pic_obj_keep_inframe(po);
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apply_changes(po);
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/* Make up some total-time for the movement */
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po->mom_tot_time = sqrt((p->mx * p->mx) + (p->my * p->my))
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/ MOMENTUM_FRICTION;
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if (po->mom_tot_time)
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{ /* Compute acceleration for both compenents, and launch timer */
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po->mom_x_acc = (p->mx) / po->mom_tot_time; /* a = (v-v0) / t */
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po->mom_y_acc = (p->my) / po->mom_tot_time; /* a = (v-v0) / t */
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po->mom_x_acc /= MOMENTUM_FACTOR;
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po->mom_y_acc /= MOMENTUM_FACTOR;
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po->mom_timer = ecore_animator_add(momentum_animation_operation, po);
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}
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return EVAS_EVENT_FLAG_NONE;
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}
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static Evas_Event_Flags
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momentum_abort(void *_po, void *event_info)
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{
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Photo_Object *po = (Photo_Object *) _po;
|
|
Elm_Gesture_Momentum_Info *p = (Elm_Gesture_Momentum_Info *) event_info;
|
|
printf("momentum abort <%d,%d> <%d,%d>\n", p->x2, p->y2, p->mx, p->my);
|
|
pic_obj_keep_inframe(po);
|
|
apply_changes(po);
|
|
|
|
return EVAS_EVENT_FLAG_NONE;
|
|
}
|
|
|
|
static void
|
|
_win_del_req(void *data, Evas_Object *obj __UNUSED__,
|
|
void *event_info __UNUSED__)
|
|
{
|
|
Photo_Object **photo_array = (Photo_Object **) data;
|
|
|
|
if (!photo_array)
|
|
return;
|
|
|
|
/* The content of the photo object is automatically deleted when the win
|
|
* is deleted. */
|
|
for ( ; *photo_array ; photo_array++)
|
|
free(*photo_array);
|
|
|
|
free(data);
|
|
}
|
|
|
|
|
|
static Photo_Object *
|
|
photo_object_add(Evas_Object *parent, Evas_Object *ic, const char *icon,
|
|
Evas_Coord x, Evas_Coord y, Evas_Coord w, Evas_Coord h, int angle)
|
|
{
|
|
char buf[PATH_MAX];
|
|
Photo_Object *po;
|
|
po = calloc(1, sizeof(*po));
|
|
po->base_zoom = po->zoom = BASE_ZOOM;
|
|
|
|
if (ic)
|
|
{
|
|
po->ic = ic;
|
|
}
|
|
else
|
|
{
|
|
po->ic = elm_icon_add(parent);
|
|
elm_image_file_set(po->ic, icon, NULL);
|
|
}
|
|
|
|
po->bx = x;
|
|
po->by = y;
|
|
po->bw = w;
|
|
po->bh = h;
|
|
|
|
/* Add shadow */
|
|
{
|
|
po->shadow = elm_icon_add(po->ic);
|
|
snprintf(buf, sizeof(buf), "%s/images/pol_shadow.png", elm_app_data_dir_get());
|
|
elm_image_file_set(po->shadow, buf, NULL);
|
|
evas_object_resize(po->shadow, SHADOW_W, SHADOW_H);
|
|
evas_object_show(po->shadow);
|
|
}
|
|
|
|
po->hit = evas_object_polygon_add(evas_object_evas_get(parent));
|
|
evas_object_precise_is_inside_set(po->hit, EINA_TRUE);
|
|
evas_object_repeat_events_set(po->hit, EINA_TRUE);
|
|
evas_object_color_set(po->hit, 0, 0, 0, 0);
|
|
|
|
evas_object_move(po->ic, 0, 0);
|
|
evas_object_resize(po->ic, po->bw, po->bh);
|
|
evas_object_show(po->ic);
|
|
|
|
evas_object_show(po->hit);
|
|
|
|
po->gl = elm_gesture_layer_add(po->ic);
|
|
elm_gesture_layer_hold_events_set(po->gl, EINA_TRUE);
|
|
elm_gesture_layer_attach(po->gl, po->hit);
|
|
|
|
/* FIXME: Add a po->rotate start so we take the first angle!!!! */
|
|
elm_gesture_layer_cb_set(po->gl, ELM_GESTURE_MOMENTUM,
|
|
ELM_GESTURE_STATE_START, momentum_start, po);
|
|
elm_gesture_layer_cb_set(po->gl, ELM_GESTURE_MOMENTUM,
|
|
ELM_GESTURE_STATE_MOVE, momentum_move, po);
|
|
elm_gesture_layer_cb_set(po->gl, ELM_GESTURE_MOMENTUM,
|
|
ELM_GESTURE_STATE_END, momentum_end, po);
|
|
elm_gesture_layer_cb_set(po->gl, ELM_GESTURE_MOMENTUM,
|
|
ELM_GESTURE_STATE_ABORT, momentum_abort, po);
|
|
|
|
elm_gesture_layer_cb_set(po->gl, ELM_GESTURE_ZOOM,
|
|
ELM_GESTURE_STATE_START, zoom_start, po);
|
|
elm_gesture_layer_cb_set(po->gl, ELM_GESTURE_ZOOM,
|
|
ELM_GESTURE_STATE_MOVE, zoom_move, po);
|
|
elm_gesture_layer_cb_set(po->gl, ELM_GESTURE_ZOOM,
|
|
ELM_GESTURE_STATE_END, zoom_end, po);
|
|
elm_gesture_layer_cb_set(po->gl, ELM_GESTURE_ZOOM,
|
|
ELM_GESTURE_STATE_ABORT, zoom_end, po);
|
|
|
|
elm_gesture_layer_cb_set(po->gl, ELM_GESTURE_ROTATE,
|
|
ELM_GESTURE_STATE_START, rotate_start, po);
|
|
elm_gesture_layer_cb_set(po->gl, ELM_GESTURE_ROTATE,
|
|
ELM_GESTURE_STATE_MOVE, rotate_move, po);
|
|
elm_gesture_layer_cb_set(po->gl, ELM_GESTURE_ROTATE,
|
|
ELM_GESTURE_STATE_END, rotate_end, po);
|
|
elm_gesture_layer_cb_set(po->gl, ELM_GESTURE_ROTATE,
|
|
ELM_GESTURE_STATE_ABORT, rotate_abort, po);
|
|
|
|
po->rotate = po->base_rotate = angle;
|
|
po->shadow_zoom = 1.3;
|
|
|
|
apply_changes(po);
|
|
return po;
|
|
}
|
|
|
|
void
|
|
test_gesture_layer3(void *data __UNUSED__, Evas_Object *obj __UNUSED__,
|
|
void *event_info __UNUSED__)
|
|
{
|
|
Evas_Coord w, h;
|
|
Evas_Object *win, *bg;
|
|
char buf[PATH_MAX];
|
|
int ind = 0;
|
|
Photo_Object **photo_array;
|
|
photo_array = calloc(sizeof(*photo_array), 4);
|
|
|
|
w = 480;
|
|
h = 800;
|
|
|
|
win = elm_win_add(NULL, "gesture-layer3", ELM_WIN_BASIC);
|
|
elm_win_title_set(win, "Gesture Layer 3");
|
|
elm_win_autodel_set(win, EINA_TRUE);
|
|
evas_object_resize(win, w, h);
|
|
|
|
bg = elm_bg_add(win);
|
|
snprintf(buf, sizeof(buf), "%s/images/wood_01.jpg", elm_app_data_dir_get());
|
|
elm_bg_file_set(bg, buf, NULL);
|
|
evas_object_size_hint_weight_set(bg, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
|
|
elm_win_resize_object_add(win, bg);
|
|
evas_object_show(bg);
|
|
|
|
snprintf(buf, sizeof(buf), "%s/images/pol_sky.png", elm_app_data_dir_get());
|
|
photo_array[ind++] = photo_object_add(win, NULL, buf, 50, 200, 365, 400, 0);
|
|
|
|
photo_array[ind] = NULL;
|
|
evas_object_smart_callback_add(win, "delete,request", _win_del_req,
|
|
photo_array);
|
|
evas_object_show(win);
|
|
}
|
|
#endif
|