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/*
* Pure Data Packet module.
* Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include "pdp.h"
#include "pdp_imagebase.h"
typedef struct pdp_zoom_struct
{
t_pdp_imagebase x_base;
int x_packet1;
t_outlet *x_outlet0;
void *x_zoom;
int x_quality; //not used
} t_pdp_zoom;
static void pdp_zoom_process(t_pdp_zoom *x)
{
int p0 = pdp_base_get_packet(x, 0);
u32 mask = pdp_imagebase_get_chanmask(x);
pdp_imageproc_dispatch_2buf(&pdp_imageproc_resample_affinemap_process, x->x_zoom, mask, p0, x->x_packet1);
}
static void pdp_zoom_postproc(t_pdp_zoom *x)
{
/* delete source packet */
pdp_packet_mark_unused(pdp_base_move_packet(x, 0));
/* unregister and propagate if valid dest packet */
pdp_packet_pass_if_valid(x->x_outlet0, &x->x_packet1);
}
static void pdp_zoom_preproc(t_pdp_zoom *x)
{
int p = pdp_base_get_packet(x, 0);
t_pdp *header0 = pdp_packet_header(p);
if ((header0) && (PDP_IMAGE == header0->type)){
x->x_packet1 = pdp_packet_clone_rw(p);
}
}
static void pdp_zoom_zoom_x(t_pdp_zoom *x, t_floatarg f)
{
pdp_imageproc_resample_affinemap_setzoomx(x->x_zoom, f);
}
static void pdp_zoom_angle(t_pdp_zoom *x, t_floatarg f)
{
pdp_imageproc_resample_affinemap_setangle(x->x_zoom, f);
}
static void pdp_zoom_zoom_y(t_pdp_zoom *x, t_floatarg f)
{
pdp_imageproc_resample_affinemap_setzoomy(x->x_zoom, f);
}
static void pdp_zoom_zoom(t_pdp_zoom *x, t_floatarg f)
{
pdp_zoom_zoom_x(x, f);
pdp_zoom_zoom_y(x, f);
}
static void pdp_zoom_center_x(t_pdp_zoom *x, t_floatarg f)
{
pdp_imageproc_resample_affinemap_setcenterx(x->x_zoom, f);
}
static void pdp_zoom_center_y(t_pdp_zoom *x, t_floatarg f)
{
pdp_imageproc_resample_affinemap_setcentery(x->x_zoom, f);
}
static void pdp_zoom_center(t_pdp_zoom *x, t_floatarg fx, t_floatarg fy)
{
pdp_zoom_center_x(x, fx);
pdp_zoom_center_y(x, fy);
}
// not used
static void pdp_zoom_quality(t_pdp_zoom *x, t_floatarg f)
{
if (f==0) x->x_quality = 0;
if (f==1) x->x_quality = 1;
}
t_class *pdp_zoom_class;
void pdp_zoom_free(t_pdp_zoom *x)
{
pdp_imagebase_free(x);
pdp_imageproc_resample_affinemap_delete(x->x_zoom);
pdp_packet_mark_unused(x->x_packet1);
}
void pdp_zoom_init_common(t_pdp_zoom *x)
{
pdp_imagebase_init(x);
pdp_base_set_process_method(x, (t_pdp_method)pdp_zoom_process);
pdp_base_set_postproc_method(x, (t_pdp_method)pdp_zoom_postproc);
pdp_base_set_preproc_method(x, (t_pdp_method)pdp_zoom_preproc);
x->x_outlet0 = pdp_base_add_pdp_outlet(x);
x->x_packet1 = -1;
x->x_zoom = pdp_imageproc_resample_affinemap_new();
//quality is not used: all routines are "high quality" bilinear
//pdp_zoom_quality(x, 1);
pdp_zoom_center_x(x, 0.5f);
pdp_zoom_center_y(x, 0.5f);
}
void *pdp_zoom_new(t_floatarg zoom)
{
t_pdp_zoom *x = (t_pdp_zoom *)pd_new(pdp_zoom_class);
pdp_zoom_init_common(x);
pdp_base_add_gen_inlet(x, gensym("float"), gensym("zoom"));
if (zoom == 0.0f) zoom = 1.0f;
pdp_zoom_zoom(x, zoom);
pdp_zoom_angle(x, 0.0f);
return (void *)x;
}
void *pdp_zrot_new(t_floatarg zoom, t_floatarg angle)
{
t_pdp_zoom *x = (t_pdp_zoom *)pd_new(pdp_zoom_class);
pdp_zoom_init_common(x);
pdp_base_add_gen_inlet(x, gensym("float"), gensym("zoom"));
pdp_base_add_gen_inlet(x, gensym("float"), gensym("angle"));
if (zoom == 0.0f) zoom = 1.0f;
pdp_zoom_zoom(x, zoom);
pdp_zoom_angle(x, angle);
return (void *)x;
}
void *pdp_rotate_new(t_floatarg angle)
{
t_pdp_zoom *x = (t_pdp_zoom *)pd_new(pdp_zoom_class);
pdp_zoom_init_common(x);
pdp_base_add_gen_inlet(x, gensym("float"), gensym("angle"));
pdp_zoom_zoom(x, 1.0f);
pdp_zoom_angle(x, angle);
return (void *)x;
}
#ifdef __cplusplus
extern "C"
{
#endif
void pdp_zoom_setup(void)
{
pdp_zoom_class = class_new(gensym("pdp_zoom"), (t_newmethod)pdp_zoom_new,
(t_method)pdp_zoom_free, sizeof(t_pdp_zoom), 0, A_DEFFLOAT, A_NULL);
class_addcreator((t_newmethod)pdp_zrot_new, gensym("pdp_zrot"), A_DEFFLOAT, A_DEFFLOAT, A_NULL);
class_addcreator((t_newmethod)pdp_rotate_new, gensym("pdp_rotate"), A_DEFFLOAT, A_NULL);
pdp_imagebase_setup(pdp_zoom_class);
class_addmethod(pdp_zoom_class, (t_method)pdp_zoom_quality, gensym("quality"), A_FLOAT, A_NULL);
class_addmethod(pdp_zoom_class, (t_method)pdp_zoom_center_x, gensym("centerx"), A_FLOAT, A_NULL);
class_addmethod(pdp_zoom_class, (t_method)pdp_zoom_center_y, gensym("centery"), A_FLOAT, A_NULL);
class_addmethod(pdp_zoom_class, (t_method)pdp_zoom_center, gensym("center"), A_FLOAT, A_FLOAT, A_NULL);
class_addmethod(pdp_zoom_class, (t_method)pdp_zoom_zoom_x, gensym("zoomx"), A_FLOAT, A_NULL);
class_addmethod(pdp_zoom_class, (t_method)pdp_zoom_zoom_y, gensym("zoomy"), A_FLOAT, A_NULL);
class_addmethod(pdp_zoom_class, (t_method)pdp_zoom_zoom, gensym("zoom"), A_FLOAT, A_NULL);
class_addmethod(pdp_zoom_class, (t_method)pdp_zoom_angle, gensym("angle"), A_FLOAT, A_NULL);
}
#ifdef __cplusplus
}
#endif
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