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/* Copyright (c) 1997-2003 Miller Puckette, krzYszcz, and others.
* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution. */
/* The simplest of garrays: vector of floats */
/* Array checking is done in three points:
1. vefl_new(): never complains
2. vefl_renew(): this should be called once per every message
3. vefl_tick(): no template checking (only redraw is involved)
*/
/* LATER rethink indsp flag */
#include "m_pd.h"
#include "g_canvas.h"
#include "shared.h"
#include "unstable/fragile.h"
#include "common/loud.h"
#include "common/vefl.h"
#if 1
#define VEFL_VERBOSE
#if 0
#define VEFL_DEBUG
#endif
#endif
/* on failure *vszp is not modified */
t_float *vefl_get(t_symbol *name, int *vszp, int indsp, t_pd *complain)
{
if (name && name != &s_)
{
t_garray *ap = (t_garray *)pd_findbyclass(name, garray_class);
if (ap)
{
int vsz;
t_float *vec;
if (garray_getfloatarray(ap, &vsz, &vec))
{
if (indsp) garray_usedindsp(ap);
if (vszp) *vszp = vsz;
return (vec);
}
else loud_error(complain, /* always complain */
"bad template of array '%s'", name->s_name);
}
else if (complain)
loud_error(complain, "no such array '%s'", name->s_name);
}
return (0);
}
static void vefl_tick(t_vefl *vp)
{
if (vp->v_name && vp->v_name != &s_
/* Check if an array has not been deleted
(e.g. during patch closing sequence). */
&& (vp->v_garray =
(t_garray *)pd_findbyclass(vp->v_name, garray_class)))
{
vp->v_glist = fragile_garray_glist(vp->v_garray);
garray_redraw(vp->v_garray);
}
vp->v_clockset = 0;
vp->v_updtime = clock_getsystime();
}
t_vefl *vefl_placement_new(t_vefl *vp, t_symbol *name,
int writable, t_glist *gl, t_garray *arr)
{
if (sizeof(t_word) != sizeof(t_float))
{
bug("vefl_new: sizeof(t_word) != sizeof(t_float)");
return (0);
}
if (!vp)
{
if (!(vp = getbytes(sizeof(*vp))))
return (0);
vp->v_autoalloc = 1;
}
else vp->v_autoalloc = 0;
vp->v_name = name;
if (writable)
{
vp->v_updtime = clock_getsystime();
vp->v_clock = clock_new(vp, (t_method)vefl_tick);
vp->v_clockset = 0;
}
else vp->v_clock = 0;
vp->v_glist = gl;
vp->v_garray = arr;
vp->v_size = 0;
vp->v_data = 0;
vp->v_type = &s_float;
if (!arr && name && name != &s_)
{
vp->v_garray = (t_garray *)pd_findbyclass(name, garray_class);
vp->v_glist = vp->v_garray ? fragile_garray_glist(vp->v_garray) : 0;
}
if (vp->v_garray
&& !garray_getfloatarray(vp->v_garray, &vp->v_size, &vp->v_data))
{
vp->v_glist = 0;
vp->v_garray = 0;
vp->v_type = 0; /* template mismatch */
}
return (vp);
}
t_vefl *vefl_new(t_symbol *name, int writable, t_glist *gl, t_garray *arr)
{
return (vefl_placement_new(0, name, writable, gl, arr));
}
void vefl_free(t_vefl *vp)
{
if (vp->v_clock) clock_free(vp->v_clock);
if (vp->v_autoalloc) freebytes(vp, sizeof(*vp));
}
/* LATER handle yonset */
int vefl_renew(t_vefl *vp, t_symbol *name, t_pd *complain)
{
if (!name || name == &s_) name = vp->v_name;
if (name && name != &s_)
{
vp->v_glist = 0;
/* There are three possible ways: */
#if 0
vp->v_name = 0;
#elif 1 /* , do nothing, and */
vp->v_name = name;
#endif /* LATER check all the cases and decide... */
if (!(vp->v_garray = (t_garray *)pd_findbyclass(name, garray_class)))
{
if (complain)
loud_error(complain, "no such array '%s'", name->s_name);
}
else if (!garray_getfloatarray(vp->v_garray, &vp->v_size, &vp->v_data))
{
vp->v_garray = 0;
loud_error(complain, /* always complain */
"bad template of array '%s'", name->s_name);
}
else
{
vp->v_glist = fragile_garray_glist(vp->v_garray);
vp->v_name = name;
return (1);
}
}
return (0);
}
void vefl_redraw(t_vefl *vp, float suppresstime)
{
if (vp->v_clock) /* requests from readers are ignored */
{
if (suppresstime > 0)
{
double timesince = clock_gettimesince(vp->v_updtime);
if (timesince > suppresstime)
{
clock_unset(vp->v_clock);
vefl_tick(vp);
}
else if (!vp->v_clockset)
{
clock_delay(vp->v_clock, suppresstime - timesince);
vp->v_clockset = 1;
}
}
else {
clock_unset(vp->v_clock);
vefl_tick(vp);
}
}
}
void vefl_redraw_stop(t_vefl *vp)
{
if (vp->v_clock) /* requests from readers are ignored */
{
clock_unset(vp->v_clock);
vp->v_clockset = 0;
}
}
/* Y-bounds flipped here */
void vefl_getbounds(t_vefl *vp, t_float *xminp, t_float *yminp,
t_float *xmaxp, t_float *ymaxp)
{
t_glist *gl = vp->v_glist;
if (gl)
{
*xminp = gl->gl_x1;
*xmaxp = gl->gl_x2;
*yminp = gl->gl_y2;
*ymaxp = gl->gl_y1;
}
}
/* Y-bounds flipped here */
void vefl_setbounds(t_vefl *vp, t_float xmin, t_float ymin,
t_float xmax, t_float ymax)
{
vmess((t_pd *)vp->v_glist, gensym("bounds"), "ffff",
xmin, ymax, xmax, ymin);
}
void vefl_getrange(t_vefl *vp, t_float *yminp, t_float *ymaxp)
{
int vsz = vp->v_size;
t_float *vec = vp->v_data;
if (vec && vsz)
{
t_float ymin = SHARED_FLT_MAX, ymax = -SHARED_FLT_MAX;
while (vsz--)
{
if (*vec > ymax)
{
ymax = *vec;
if (ymax < ymin) ymin = ymax;
}
else if (*vec < ymin) ymin = *vec;
vec++;
}
*yminp = ymin;
*ymaxp = ymax;
}
}
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