efl/src/lib/evas/canvas/efl_canvas_animation_rotate.c

165 lines
4.6 KiB
C

#include "efl_canvas_animation_rotate_private.h"
#define MY_CLASS EFL_CANVAS_ANIMATION_ROTATE_CLASS
static double
_rotation_get(Eo *target)
{
double x1, x2, y1, y2;
double theta;
efl_gfx_map_coord_absolute_get(target, 0, &x1, &y1, NULL);
efl_gfx_map_coord_absolute_get(target, 1, &x2, &y2, NULL);
theta = atan((y2 - y1) / (x2 - x1));
return theta * 180 / M_PI;
}
EOLIAN static void
_efl_canvas_animation_rotate_rotate_set(Eo *eo_obj EINA_UNUSED,
Efl_Canvas_Animation_Rotate_Data *pd,
double from_degree,
double to_degree,
Efl_Canvas_Object *pivot,
double cx,
double cy)
{
pd->from.degree = from_degree;
pd->to.degree = to_degree;
//TODO: check whether ref for pivot should be added.
pd->rel_pivot.obj = pivot;
pd->rel_pivot.cx = cx;
pd->rel_pivot.cy = cy;
pd->use_rel_pivot = EINA_TRUE;
}
EOLIAN static void
_efl_canvas_animation_rotate_rotate_get(Eo *eo_obj EINA_UNUSED,
Efl_Canvas_Animation_Rotate_Data *pd,
double *from_degree,
double *to_degree,
Efl_Canvas_Object **pivot,
double *cx,
double *cy)
{
if (!pd->use_rel_pivot)
{
ERR("Animation is done in absolute value.");
return;
}
if (from_degree)
*from_degree = pd->from.degree;
if (to_degree)
*to_degree = pd->to.degree;
if (pivot)
*pivot = pd->rel_pivot.obj;
if (cx)
*cx = pd->rel_pivot.cx;
if (cy)
*cy = pd->rel_pivot.cy;
}
EOLIAN static void
_efl_canvas_animation_rotate_rotate_absolute_set(Eo *eo_obj EINA_UNUSED,
Efl_Canvas_Animation_Rotate_Data *pd,
double from_degree,
double to_degree,
Evas_Coord cx,
Evas_Coord cy)
{
pd->from.degree = from_degree;
pd->to.degree = to_degree;
pd->abs_pivot.cx = cx;
pd->abs_pivot.cy = cy;
pd->use_rel_pivot = EINA_FALSE;
}
EOLIAN static void
_efl_canvas_animation_rotate_rotate_absolute_get(Eo *eo_obj EINA_UNUSED,
Efl_Canvas_Animation_Rotate_Data *pd,
double *from_degree,
double *to_degree,
Evas_Coord *cx,
Evas_Coord *cy)
{
if (pd->use_rel_pivot)
{
ERR("Animation is done in relative value.");
return;
}
if (from_degree)
*from_degree = pd->from.degree;
if (to_degree)
*to_degree = pd->to.degree;
if (cx)
*cx = pd->abs_pivot.cx;
if (cy)
*cy = pd->abs_pivot.cy;
}
EOLIAN static double
_efl_canvas_animation_rotate_efl_canvas_animation_animation_apply(Eo *eo_obj,
Efl_Canvas_Animation_Rotate_Data *pd,
double progress,
Efl_Canvas_Object *target)
{
double new_degree;
double prev_degree;
progress = efl_animation_apply(efl_super(eo_obj, MY_CLASS), progress, target);
if (!target) return progress;
prev_degree = _rotation_get(target);
new_degree = GET_STATUS(pd->from.degree, pd->to.degree, progress);
if (pd->use_rel_pivot)
{
efl_gfx_map_rotate(target,
new_degree - prev_degree,
(pd->rel_pivot.obj) ? pd->rel_pivot.obj : target,
pd->rel_pivot.cx, pd->rel_pivot.cy);
}
else
{
efl_gfx_map_rotate_absolute(target,
new_degree - prev_degree,
pd->abs_pivot.cx, pd->abs_pivot.cy);
}
return progress;
}
EOLIAN static Efl_Object *
_efl_canvas_animation_rotate_efl_object_constructor(Eo *eo_obj,
Efl_Canvas_Animation_Rotate_Data *pd)
{
eo_obj = efl_constructor(efl_super(eo_obj, MY_CLASS));
pd->from.degree = 0.0;
pd->to.degree = 0.0;
pd->rel_pivot.obj = NULL;
pd->rel_pivot.cx = 0.5;
pd->rel_pivot.cy = 0.5;
pd->abs_pivot.cx = 0;
pd->abs_pivot.cy = 0;
pd->use_rel_pivot = EINA_TRUE;
return eo_obj;
}
#include "efl_canvas_animation_rotate.eo.c"