diff options
Diffstat (limited to 'modules')
| -rwxr-xr-x | modules/pdp_artkp.cpp | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/modules/pdp_artkp.cpp b/modules/pdp_artkp.cpp new file mode 100755 index 0000000..6331562 --- /dev/null +++ b/modules/pdp_artkp.cpp @@ -0,0 +1,174 @@ +/* + * 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 <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <dirent.h> + +#include "pdp.h" + +typedef struct pdp_artkp +{ + t_object x_obj; + t_float x_f; + + t_outlet *x_outlet0; + int x_packet0; + int x_packet1; + int x_dropped; + int x_queue_id; + + int x_width; + int x_height; + int x_size; + +} t_pdp_artkp; + + + +static void pdp_artkp_process_rgb(t_pdp_artkp *x) +{ + t_pdp *header = pdp_packet_header(x->x_packet0); + short int *data = (short int *)pdp_packet_data(x->x_packet0); + t_pdp *newheader = pdp_packet_header(x->x_packet1); + short int *newdata = (short int *)pdp_packet_data(x->x_packet1); + int i; + + if ((x->x_width != (t_int)header->info.image.width) || + (x->x_height != (t_int)header->info.image.height)) + { + + post("pdp_artkp :: resizing plugins"); + + x->x_width = header->info.image.width; + x->x_height = header->info.image.height; + x->x_size = x->x_width*x->x_height; + } + + newheader->info.image.encoding = header->info.image.encoding; + newheader->info.image.width = x->x_width; + newheader->info.image.height = x->x_height; + + memcpy( newdata, data, x->x_size*3 ); + return; +} + + +static void pdp_artkp_sendpacket(t_pdp_artkp *x) +{ + /* release the packet */ + pdp_packet_mark_unused(x->x_packet0); + x->x_packet0 = -1; + + /* unregister and propagate if valid dest packet */ + pdp_packet_pass_if_valid(x->x_outlet0, &x->x_packet1); +} + +static void pdp_artkp_process(t_pdp_artkp *x) +{ + int encoding; + t_pdp *header = 0; + + /* check if image data packets are compatible */ + if ( (header = pdp_packet_header(x->x_packet0)) + && (PDP_BITMAP == header->type)){ + + /* pdp_artkp_process inputs and write into active inlet */ + switch(pdp_packet_header(x->x_packet0)->info.image.encoding){ + + case PDP_BITMAP_RGB: + x->x_packet1 = pdp_packet_clone_rw(x->x_packet0); + pdp_queue_add(x, (void*)pdp_artkp_process_rgb, (void*)pdp_artkp_sendpacket, &x->x_queue_id); + break; + + default: + /* don't know the type, so dont pdp_artkp_process */ + break; + + } + } + +} + +static void pdp_artkp_input_0(t_pdp_artkp *x, t_symbol *s, t_floatarg f) +{ + /* if this is a register_ro message or register_rw message, register with packet factory */ + + if (s == gensym("register_rw")) + x->x_dropped = pdp_packet_convert_ro_or_drop(&x->x_packet0, (int)f, pdp_gensym((char*)"bitmap/rgb/*") ); + + if ((s == gensym("process")) && (-1 != x->x_packet0) && (!x->x_dropped)) + { + /* add the process method and callback to the process queue */ + pdp_artkp_process(x); + } +} + +static void pdp_artkp_free(t_pdp_artkp *x) +{ + int i; + + pdp_queue_finish(x->x_queue_id); + pdp_packet_mark_unused(x->x_packet0); + +} + +t_class *pdp_artkp_class; + +void *pdp_artkp_new(t_floatarg f) +{ + int i; + + t_pdp_artkp *x = (t_pdp_artkp *)pd_new(pdp_artkp_class); + + x->x_outlet0 = outlet_new(&x->x_obj, &s_anything); + + x->x_packet0 = -1; + x->x_packet1 = -1; + x->x_queue_id = -1; + + x->x_width = 320; + x->x_height = 240; + x->x_size = x->x_width * x->x_height; + + return (void *)x; +} + + +#ifdef __cplusplus +extern "C" +{ +#endif + + +void pdp_artkp_setup(void) +{ + + pdp_artkp_class = class_new(gensym("pdp_artkp"), (t_newmethod)pdp_artkp_new, + (t_method)pdp_artkp_free, sizeof(t_pdp_artkp), 0, A_DEFFLOAT, A_NULL); + + class_addmethod(pdp_artkp_class, (t_method)pdp_artkp_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL); + +} + +#ifdef __cplusplus +} +#endif |