From b694c274836ac8b04d644711ac324eac2e9ab83e Mon Sep 17 00:00:00 2001 From: Hans-Christoph Steiner Date: Fri, 16 Dec 2005 01:05:40 +0000 Subject: checking in pdp 0.12.4 from http://zwizwa.fartit.com/pd/pdp/pdp-0.12.4.tar.gz svn path=/trunk/externals/pdp/; revision=4232 --- modules/image_basic/pdp_constant.c | 162 +++++++++++++++++++++++++++++++++++++ 1 file changed, 162 insertions(+) create mode 100644 modules/image_basic/pdp_constant.c (limited to 'modules/image_basic/pdp_constant.c') diff --git a/modules/image_basic/pdp_constant.c b/modules/image_basic/pdp_constant.c new file mode 100644 index 0000000..e5b088e --- /dev/null +++ b/modules/image_basic/pdp_constant.c @@ -0,0 +1,162 @@ +/* + * 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_constant_struct +{ + t_pdp_imagebase x_base; + + t_outlet *x_outlet0; + + int x_packet0; + + t_symbol *x_type; + + unsigned int x_width; + unsigned int x_height; + + void *x_constant; + +} t_pdp_constant; + + + +void pdp_constant_type(t_pdp_constant *x, t_symbol *s) +{ + x->x_type = s; +} + + +void pdp_constant_value(t_pdp_constant *x, t_floatarg f) +{ + if (f>1.0f) f = 1.0f; + if (f<-1.0f) f = -1.0f; + + x->x_constant = (void *)((s32)(0x7fff * f)); +} + + + +static void pdp_constant_process(t_pdp_constant *x) +{ + /* get channel mask */ + u32 mask = pdp_imagebase_get_chanmask(x); + + /* create new packet */ + if (x->x_type == gensym("yv12")){x->x_packet0 = pdp_packet_new_image_YCrCb(x->x_width, x->x_height);} + else if (x->x_type == gensym("grey")){x->x_packet0 = pdp_packet_new_image_grey(x->x_width, x->x_height);} + else return; + + /* this processes the packets using a pdp image processor */ + pdp_imageproc_dispatch_1buf(&pdp_imageproc_constant_process, x->x_constant, mask, x->x_packet0); + pdp_imageproc_dispatch_1buf(&pdp_imageproc_constant_process, 0, ~mask, x->x_packet0); + + return; +} + +static void pdp_constant_postproc(t_pdp_constant *x) +{ + pdp_packet_pass_if_valid(x->x_outlet0, &x->x_packet0); +} + +static void pdp_constant_bang(t_pdp_constant *x) +{ + pdp_base_bang(x); +} + +static void pdp_constant_dim(t_pdp_constant *x, t_floatarg w, t_floatarg h) +{ + x->x_width = pdp_imageproc_legalwidth((int)w); + x->x_height = pdp_imageproc_legalheight((int)h); + //post("dims %d %d", x->x_width, x->x_height); +} + + +static void pdp_constant_free(t_pdp_constant *x) +{ + pdp_imagebase_free(x); + pdp_packet_mark_unused(x->x_packet0); + +} + +t_class *pdp_constant_class; + + + +void *pdp_constant_new(void) +{ + int i; + t_pdp_constant *x = (t_pdp_constant *)pd_new(pdp_constant_class); + + /* super init */ + pdp_imagebase_init(x); + + /* in/out*/ + pdp_base_add_gen_inlet(x, gensym("float"), gensym("value")); + x->x_outlet0 = pdp_base_add_pdp_outlet(x); + + /* base callbacks */ + pdp_base_disable_active_inlet(x); + pdp_base_set_process_method(x, (t_pdp_method)pdp_constant_process); + pdp_base_set_postproc_method(x, (t_pdp_method)pdp_constant_postproc); + + /* data init */ + x->x_packet0 = -1; + pdp_constant_dim(x, 320, 240); + pdp_constant_value(x, 0.0f); + pdp_constant_type(x, gensym("yv12")); + + + return (void *)x; +} + + + +#ifdef __cplusplus +extern "C" +{ +#endif + + + +void pdp_constant_setup(void) +{ + + + pdp_constant_class = class_new(gensym("pdp_constant"), (t_newmethod)pdp_constant_new, + (t_method)pdp_constant_free, sizeof(t_pdp_constant), 0, A_NULL); + + pdp_imagebase_setup(pdp_constant_class); + + class_addmethod(pdp_constant_class, (t_method)pdp_constant_value, gensym("value"), A_DEFFLOAT, A_NULL); + class_addmethod(pdp_constant_class, (t_method)pdp_constant_type, gensym("type"), A_SYMBOL, A_NULL); + class_addmethod(pdp_constant_class, (t_method)pdp_constant_dim, gensym("dim"), A_FLOAT, A_FLOAT, A_NULL); + class_addmethod(pdp_constant_class, (t_method)pdp_constant_bang, gensym("bang"), A_NULL); + +} + +#ifdef __cplusplus +} +#endif -- cgit v1.2.1