From 9c5dc3718f424319380b0129c3471da5ce0056d3 Mon Sep 17 00:00:00 2001 From: "N.N." Date: Wed, 8 Oct 2003 15:01:52 +0000 Subject: New in O.12.8 svn path=/trunk/externals/pidip/; revision=1076 --- modules/pdp_pen.c | 341 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 341 insertions(+) create mode 100644 modules/pdp_pen.c (limited to 'modules') diff --git a/modules/pdp_pen.c b/modules/pdp_pen.c new file mode 100644 index 0000000..d682285 --- /dev/null +++ b/modules/pdp_pen.c @@ -0,0 +1,341 @@ +/* + * PiDiP module. + * Copyright (c) by Yves Degoyon (ydegoyon@free.fr) + * + * 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. + * + */ + +/* This object is a free hand drawing object + * Written by Yves Degoyon + */ + + + +#include "pdp.h" +#include "yuv.h" +#include + +static char *pdp_pen_version = "pdp_pen: version 0.1, free hand drawing object written by Yves Degoyon (ydegoyon@free.fr)"; + +typedef struct pdp_pen_struct +{ + t_object x_obj; + t_float x_f; + + t_outlet *x_outlet0; + t_int x_packet0; + t_int x_packet1; + t_int x_dropped; + t_int x_queue_id; + + t_int x_vwidth; + t_int x_vheight; + t_int x_vsize; + + t_int x_red; + t_int x_green; + t_int x_blue; + + t_int x_pwidth; + t_int x_mode; // 0=draw ( default), 1=erase + + short int *x_bdata; + +} t_pdp_pen; + +static void pdp_pen_allocate(t_pdp_pen *x, t_int newsize) +{ + int i; + + if ( x->x_bdata ) freebytes( x->x_bdata, (( x->x_vsize + (x->x_vsize>>1))<<1)); + + x->x_vsize = newsize; + x->x_bdata = (short int *)getbytes((( x->x_vsize + (x->x_vsize>>1))<<1)); + memset( x->x_bdata, 0x00, (( x->x_vsize + (x->x_vsize>>1))<<1) ); +} + +static void pdp_pen_draw(t_pdp_pen *x, t_floatarg X, t_floatarg Y) +{ + short int *pbY, *pbU, *pbV; + t_int mx, Mx, my, My; + t_int px, py; + + X = X*x->x_vwidth; + Y = Y*x->x_vheight; + // post( "pdp_pen : draw %f %f", X, Y ); + if ( (X<0) || (X>x->x_vwidth) ) + { + // post( "pdp_pen : draw : wrong X position : %f", X ); + return; + } + if ( (Y<0) || (Y>x->x_vheight) ) + { + // post( "pdp_pen : draw : wrong Y position : %f", Y ); + return; + } + mx = (X-x->x_pwidth<0)?0:X-x->x_pwidth; + Mx = (X+x->x_pwidth>x->x_vwidth)?x->x_vwidth:X+x->x_pwidth; + my = (Y-x->x_pwidth<0)?0:Y-x->x_pwidth; + My = (Y+x->x_pwidth>x->x_vheight)?x->x_vheight:Y+x->x_pwidth; + + pbY = x->x_bdata; + pbU = (x->x_bdata+x->x_vsize); + pbV = (x->x_bdata+x->x_vsize+(x->x_vsize>>2)); + for ( px=mx; px<=Mx; px++ ) + { + for ( py=my; py<=My; py++ ) + { + if ( sqrt( pow( (px-X), 2 ) + pow( (py-Y), 2 ) ) < x->x_pwidth ) + { + if ( x->x_mode == 0 ) + { + *(pbY+py*x->x_vwidth+px) = + (yuv_RGBtoY( (x->x_blue << 16) + (x->x_green << 8) + x->x_red ))<<7; + *(pbU+(py>>1)*(x->x_vwidth>>1)+(px>>1)) = + (yuv_RGBtoU( (x->x_blue << 16) + (x->x_green << 8) + x->x_red ))-128<<8; + *(pbV+(py>>1)*(x->x_vwidth>>1)+(px>>1)) = + (yuv_RGBtoV( (x->x_blue << 16) + (x->x_green << 8) + x->x_red ))-128<<8; + } + if ( x->x_mode == 1 ) + { + *(pbY+py*x->x_vwidth+px) = 0; + *(pbU+(py>>1)*(x->x_vwidth>>1)+(px>>1)) = 0; + *(pbV+(py>>1)*(x->x_vwidth>>1)+(px>>1)) = 0; + } + } + } + } +} + +static void pdp_pen_clear(t_pdp_pen *x) +{ + if ( x->x_vsize > 0 ) + { + memset( x->x_bdata, 0x00, (( x->x_vsize + (x->x_vsize>>1))<<1) ); + } +} + +static void pdp_pen_width(t_pdp_pen *x, t_floatarg width) +{ + if ( width > 0 ) + { + x->x_pwidth = (int) width; + } +} + +static void pdp_pen_mode(t_pdp_pen *x, t_floatarg mode) +{ + if ( ( mode == 0. ) || ( mode == 1. ) ) + { + x->x_mode = (int) mode; + } +} + +static void pdp_pen_rgb(t_pdp_pen *x, t_floatarg r, t_floatarg g, t_floatarg b) +{ + if ( ( r >= 0. ) && ( r <= 255. ) && + ( g >= 0. ) && ( g <= 255. ) && + ( b >= 0. ) && ( b <= 255. ) ) + { + x->x_red = (int) r; + x->x_green = (int) g; + x->x_blue = (int) b; + if ( ( r == 0. ) && ( g == 0.) && ( b == 0. ) ) + { + x->x_red=1; + x->x_green=1; + x->x_blue=1; + } + } +} + +static void pdp_pen_process_yv12(t_pdp_pen *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); + t_int i; + t_int px, py; + short int *pY, *pU, *pV; + short int *pbY, *pbU, *pbV; + short int *pnY, *pnU, *pnV; + + /* allocate all ressources */ + if ( ((t_int)header->info.image.width != x->x_vwidth ) || + ((t_int)header->info.image.height != x->x_vheight ) ) + { + pdp_pen_allocate(x, header->info.image.width*header->info.image.height ); + post( "pdp_pen : reallocating buffers" ); + } + + x->x_vwidth = header->info.image.width; + x->x_vheight = header->info.image.height; + x->x_vsize = x->x_vwidth*x->x_vheight; + + newheader->info.image.encoding = header->info.image.encoding; + newheader->info.image.width = x->x_vwidth; + newheader->info.image.height = x->x_vheight; + + if ( !x->x_bdata ) return; + + memcpy( newdata, data, (( x->x_vsize + (x->x_vsize>>1))<<1) ); + + pY = data; + pU = (data+x->x_vsize); + pV = (data+x->x_vsize+(x->x_vsize>>2)); + pbY = x->x_bdata; + pbU = (x->x_bdata+x->x_vsize); + pbV = (x->x_bdata+x->x_vsize+(x->x_vsize>>2)); + pnY = newdata; + pnU = (newdata+x->x_vsize); + pnV = (newdata+x->x_vsize+(x->x_vsize>>2)); + + for(py=1; pyx_vheight; py++) + { + for(px=0; pxx_vwidth; px++) + { + if ( *(pbY+py*x->x_vwidth+px) != 0 ) + { + *(pnY+py*x->x_vwidth+px) = *(pbY+py*x->x_vwidth+px); + *(pnU+(py>>1)*(x->x_vwidth>>1)+(px>>1)) = + *(pbU+(py>>1)*(x->x_vwidth>>1)+(px>>1)); + *(pnV+(py>>1)*(x->x_vwidth>>1)+(px>>1)) = + *(pbV+(py>>1)*(x->x_vwidth>>1)+(px>>1)); + } + } + } + + return; +} + +static void pdp_pen_sendpacket(t_pdp_pen *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_pen_process(t_pdp_pen *x) +{ + int encoding; + t_pdp *header = 0; + + /* check if image data packets are compatible */ + if ( (header = pdp_packet_header(x->x_packet0)) + && (PDP_IMAGE == header->type)) + { + /* pdp_pen_process inputs and write into active inlet */ + switch(pdp_packet_header(x->x_packet0)->info.image.encoding){ + + case PDP_IMAGE_YV12: + x->x_packet1 = pdp_packet_clone_rw(x->x_packet0); + pdp_queue_add(x, pdp_pen_process_yv12, pdp_pen_sendpacket, &x->x_queue_id); + break; + + case PDP_IMAGE_GREY: + // pdp_pen_process_packet(x); + break; + + default: + /* don't know the type, so dont pdp_pen_process */ + break; + + } + } +} + +static void pdp_pen_input_0(t_pdp_pen *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("image/YCrCb/*") ); + } + + if ((s == gensym("process")) && (-1 != x->x_packet0) && (!x->x_dropped)) + { + /* add the process method and callback to the process queue */ + pdp_pen_process(x); + } +} + +static void pdp_pen_free(t_pdp_pen *x) +{ + int i; + + pdp_queue_finish(x->x_queue_id); + pdp_packet_mark_unused(x->x_packet0); + +} + +t_class *pdp_pen_class; + +void *pdp_pen_new(void) +{ + int i; + + t_pdp_pen *x = (t_pdp_pen *)pd_new(pdp_pen_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_bdata = NULL; + x->x_vsize = -1; + + x->x_red = 255; + x->x_green = 255; + x->x_blue = 255; + + x->x_pwidth = 3; + x->x_mode = 0; + + return (void *)x; +} + + +#ifdef __cplusplus +extern "C" +{ +#endif + + +void pdp_pen_setup(void) +{ +// post( pdp_pen_version ); + pdp_pen_class = class_new(gensym("pdp_pen"), (t_newmethod)pdp_pen_new, + (t_method)pdp_pen_free, sizeof(t_pdp_pen), 0, A_NULL); + class_sethelpsymbol( pdp_pen_class, gensym("pdp_pen.pd") ); + + class_addmethod(pdp_pen_class, (t_method)pdp_pen_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL); + class_addmethod(pdp_pen_class, (t_method)pdp_pen_draw, gensym("draw"), A_DEFFLOAT, A_DEFFLOAT, A_NULL); + class_addmethod(pdp_pen_class, (t_method)pdp_pen_clear, gensym("clear"), A_NULL); + class_addmethod(pdp_pen_class, (t_method)pdp_pen_width, gensym("width"), A_DEFFLOAT, A_NULL); + class_addmethod(pdp_pen_class, (t_method)pdp_pen_rgb, gensym("rgb"), A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, A_NULL); + class_addmethod(pdp_pen_class, (t_method)pdp_pen_mode, gensym("mode"), A_DEFFLOAT, A_NULL); + +} + +#ifdef __cplusplus +} +#endif -- cgit v1.2.1