From 213978fa8a868661dda88e6b4e7cacec1c90677a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Pablo=20Mart=C3=ADn?= Date: Sun, 7 Sep 2003 21:45:05 +0000 Subject: Updating pdp to current version 0.12.2 svn path=/trunk/externals/pdp/; revision=941 --- modules/image_basic/pdp_zoom.c | 221 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 221 insertions(+) create mode 100644 modules/image_basic/pdp_zoom.c (limited to 'modules/image_basic/pdp_zoom.c') diff --git a/modules/image_basic/pdp_zoom.c b/modules/image_basic/pdp_zoom.c new file mode 100644 index 0000000..48ba167 --- /dev/null +++ b/modules/image_basic/pdp_zoom.c @@ -0,0 +1,221 @@ +/* + * Pure Data Packet module. + * Copyright (c) by Tom Schouten + * + * 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 -- cgit v1.2.1