diff options
Diffstat (limited to 'modules/pdp_form.c')
| -rw-r--r-- | modules/pdp_form.c | 608 |
1 files changed, 608 insertions, 0 deletions
diff --git a/modules/pdp_form.c b/modules/pdp_form.c new file mode 100644 index 0000000..5b92fe8 --- /dev/null +++ b/modules/pdp_form.c @@ -0,0 +1,608 @@ +/* + * 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 geometric forms generator object for PDP + * It uses imlib2 for all graphical operations + */ + +/* Listening to : + * Culturcide - Bruce + * This Heat - Independence + */ + +#include "pdp.h" +#include "yuv.h" +#include <math.h> +#include <ctype.h> +#include <Imlib2.h> // imlib2 is required + + +/* forms type */ +enum _form_type +{ + IMLIB_LINE, + IMLIB_RECTANGLE, + IMLIB_ELLIPSE +}; +typedef enum _form_type t_form_type; + +typedef struct _form +{ + t_form_type type; + t_int n1,n2,n3,n4; // numerical coordinates or rays + t_int r,g,b; +} t_form; + + +#define DEFAULT_CAPACITY 10 + +static char *pdp_form_version = "pdp_form: version 0.1 : forms rendering object written by ydegoyon@free.fr "; + +typedef struct pdp_form_struct +{ + t_object x_obj; + t_float x_f; + + t_int x_packet0; + t_int x_packet1; + t_int x_dropped; + t_int x_queue_id; + + t_outlet *x_outlet0; + t_int x_vwidth; + t_int x_vheight; + t_int x_vsize; + + t_form *x_forms; + t_int x_nbforms; + t_int x_current; + t_int x_capacity; + + /* imlib data */ + Imlib_Image x_image; + +} t_pdp_form; + + /* add a line */ +static void pdp_form_line(t_pdp_form *x, t_symbol *s, int argc, t_atom *argv) +{ + if ( x->x_nbforms >= x->x_capacity ) + { + post( "pdp_form : sorry, maximum capacity has been reached... try resize" ); + return; + } + + if ( argc < 4 ) + { + post( "pdp_form : error in the number of arguments ( minimum is 4 )", argc ); + return; + } + if ( argv[0].a_type != A_FLOAT || argv[1].a_type != A_FLOAT || + argv[2].a_type != A_FLOAT || argv[3].a_type != A_FLOAT ) { + post( "pdp_form : add : wrong arguments" ); + return; + } + + x->x_forms[x->x_nbforms].type = IMLIB_LINE; + x->x_forms[x->x_nbforms].n1 = (int)argv[0].a_w.w_float; + x->x_forms[x->x_nbforms].n2 = (int)argv[1].a_w.w_float; + x->x_forms[x->x_nbforms].n3 = (int)argv[2].a_w.w_float; + x->x_forms[x->x_nbforms].n4 = (int)argv[3].a_w.w_float; + + if ( (argc>=5) && (argv[4].a_type == A_FLOAT) ) + { + x->x_forms[x->x_nbforms].r = (int)argv[4].a_w.w_float; + } + if ( (argc>=6) && (argv[5].a_type == A_FLOAT) ) + { + x->x_forms[x->x_nbforms].g = (int)argv[5].a_w.w_float; + } + if ( (argc>=7) && (argv[6].a_type == A_FLOAT) ) + { + x->x_forms[x->x_nbforms].b = (int)argv[6].a_w.w_float; + } + + post( "pdp_form : added line [%d,%d,%d,%d] @ %d (r=%d g=%d b=%d)", + x->x_forms[x->x_nbforms].n1, x->x_forms[x->x_nbforms].n2, + x->x_forms[x->x_nbforms].n3, x->x_forms[x->x_nbforms].n4, x->x_nbforms, + x->x_forms[x->x_nbforms].r, x->x_forms[x->x_nbforms].g, x->x_forms[x->x_nbforms].b ); + + if ( x->x_current == -1 ) x->x_current = x->x_nbforms; + x->x_nbforms++; + +} + + /* add a rectangle */ +static void pdp_form_rectangle(t_pdp_form *x, t_symbol *s, int argc, t_atom *argv) +{ + if ( x->x_nbforms >= x->x_capacity ) + { + post( "pdp_form : sorry, maximum capacity has been reached... try resize" ); + return; + } + + if ( argc < 4 ) + { + post( "pdp_form : error in the number of arguments ( minimum is 4 )", argc ); + return; + } + if ( argv[0].a_type != A_FLOAT || argv[1].a_type != A_FLOAT || + argv[2].a_type != A_FLOAT || argv[3].a_type != A_FLOAT ) { + post( "pdp_form : add : wrong arguments" ); + return; + } + + x->x_forms[x->x_nbforms].type = IMLIB_RECTANGLE; + x->x_forms[x->x_nbforms].n1 = (int)argv[0].a_w.w_float; + x->x_forms[x->x_nbforms].n2 = (int)argv[1].a_w.w_float; + x->x_forms[x->x_nbforms].n3 = (int)argv[2].a_w.w_float; + x->x_forms[x->x_nbforms].n4 = (int)argv[3].a_w.w_float; + + if ( (argc>=5) && (argv[4].a_type == A_FLOAT) ) + { + x->x_forms[x->x_nbforms].r = (int)argv[4].a_w.w_float; + } + if ( (argc>=6) && (argv[5].a_type == A_FLOAT) ) + { + x->x_forms[x->x_nbforms].g = (int)argv[5].a_w.w_float; + } + if ( (argc>=7) && (argv[6].a_type == A_FLOAT) ) + { + x->x_forms[x->x_nbforms].b = (int)argv[6].a_w.w_float; + } + + post( "pdp_form : added rectangle [%d,%d,%d,%d] @ %d (r=%d g=%d b=%d)", + x->x_forms[x->x_nbforms].n1, x->x_forms[x->x_nbforms].n2, + x->x_forms[x->x_nbforms].n3, x->x_forms[x->x_nbforms].n4, x->x_nbforms, + x->x_forms[x->x_nbforms].r, x->x_forms[x->x_nbforms].g, x->x_forms[x->x_nbforms].b ); + + if ( x->x_current == -1 ) x->x_current = x->x_nbforms; + x->x_nbforms++; + +} + + /* add an ellipse */ +static void pdp_form_ellipse(t_pdp_form *x, t_symbol *s, int argc, t_atom *argv) +{ + if ( x->x_nbforms >= x->x_capacity ) + { + post( "pdp_form : sorry, maximum capacity has been reached... try resize" ); + return; + } + + if ( argc < 4 ) + { + post( "pdp_form : error in the number of arguments ( minimum is 4 )", argc ); + return; + } + if ( argv[0].a_type != A_FLOAT || argv[1].a_type != A_FLOAT || + argv[2].a_type != A_FLOAT || argv[3].a_type != A_FLOAT ) { + post( "pdp_form : add : wrong arguments" ); + return; + } + + x->x_forms[x->x_nbforms].type = IMLIB_ELLIPSE; + x->x_forms[x->x_nbforms].n1 = (int)argv[0].a_w.w_float; + x->x_forms[x->x_nbforms].n2 = (int)argv[1].a_w.w_float; + x->x_forms[x->x_nbforms].n3 = (int)argv[2].a_w.w_float; + x->x_forms[x->x_nbforms].n4 = (int)argv[3].a_w.w_float; + + if ( (argc>=5) && (argv[4].a_type == A_FLOAT) ) + { + x->x_forms[x->x_nbforms].r = (int)argv[4].a_w.w_float; + } + if ( (argc>=6) && (argv[5].a_type == A_FLOAT) ) + { + x->x_forms[x->x_nbforms].g = (int)argv[5].a_w.w_float; + } + if ( (argc>=7) && (argv[6].a_type == A_FLOAT) ) + { + x->x_forms[x->x_nbforms].b = (int)argv[6].a_w.w_float; + } + + post( "pdp_form : added ellipse [%d,%d,%d,%d] @ %d (r=%d g=%d b=%d)", + x->x_forms[x->x_nbforms].n1, x->x_forms[x->x_nbforms].n2, + x->x_forms[x->x_nbforms].n3, x->x_forms[x->x_nbforms].n4, x->x_nbforms, + x->x_forms[x->x_nbforms].r, x->x_forms[x->x_nbforms].g, x->x_forms[x->x_nbforms].b ); + + if ( x->x_current == -1 ) x->x_current = x->x_nbforms; + x->x_nbforms++; + +} + +static void pdp_form_current(t_pdp_form *x, t_floatarg fcurrent ) +{ + if ( ( fcurrent >= 0 ) && ( fcurrent < x->x_nbforms ) ) + { + // post( "pdp_form : current item set to %d", x->x_current ); + x->x_current = fcurrent; + } +} + +static void pdp_form_x1(t_pdp_form *x, t_floatarg fx ) +{ + if ( ( x->x_current >= 0 ) && ( x->x_current < x->x_nbforms ) ) + { + x->x_forms[x->x_current].n1 = fx; + } +} + +static void pdp_form_y1(t_pdp_form *x, t_floatarg fy ) +{ + if ( ( x->x_current >= 0 ) && ( x->x_current < x->x_nbforms ) ) + { + x->x_forms[x->x_current].n2 = fy; + } +} + +static void pdp_form_x2(t_pdp_form *x, t_floatarg fx ) +{ + if ( ( x->x_current >= 0 ) && ( x->x_current < x->x_nbforms ) ) + { + x->x_forms[x->x_current].n3 = fx; + } +} + +static void pdp_form_y2(t_pdp_form *x, t_floatarg fy ) +{ + if ( ( x->x_current >= 0 ) && ( x->x_current < x->x_nbforms ) ) + { + x->x_forms[x->x_current].n4 = fy; + } +} + +static void pdp_form_r(t_pdp_form *x, t_floatarg fr ) +{ + if ( ( x->x_current >= 0 ) && ( x->x_current < x->x_nbforms ) ) + { + x->x_forms[x->x_current].r = fr; + } +} + +static void pdp_form_g(t_pdp_form *x, t_floatarg fg ) +{ + if ( ( x->x_current >= 0 ) && ( x->x_current < x->x_nbforms ) ) + { + x->x_forms[x->x_current].g = fg; + } +} + +static void pdp_form_b(t_pdp_form *x, t_floatarg fb ) +{ + if ( ( x->x_current >= 0 ) && ( x->x_current < x->x_nbforms ) ) + { + x->x_forms[x->x_current].b = fb; + } +} + +static void pdp_form_clear(t_pdp_form *x ) +{ + x->x_nbforms = 0; +} + +static void pdp_form_delete(t_pdp_form *x, t_floatarg fnum ) +{ + t_int i; + char *lostword; + + if ( ( fnum>0 ) && ( fnum<=x->x_nbforms ) ) + { + for ( i=(int)fnum; i<x->x_nbforms; i++ ) + { + memcpy( &x->x_forms[ i-1 ], &x->x_forms[ i ], sizeof( t_form ) ); + } + x->x_nbforms--; + } +} + +static void pdp_form_resize(t_pdp_form *x, t_floatarg fnewsize ) +{ + t_form *forms; + t_int i, csize; + + if ( (int) fnewsize<=0 ) return; + + // allocate new structures + forms = (t_form*) getbytes( fnewsize*sizeof(t_form) ); + + for ( i=0; i<fnewsize; i++ ) + { + forms[i].r = forms[i].g = forms[i].b = 255; + } + + if ( fnewsize < x->x_nbforms ) + { + post( "pdp_form : new size is too small : texts lost !!" ); + csize = fnewsize; + } + else + { + csize = x->x_nbforms; + } + + // copy all values + for ( i=0; i<csize; i++ ) + { + memcpy( &forms[i], &x->x_forms[i], sizeof( t_form ) ); + } + + // free old structures + if ( x->x_forms ) freebytes( x->x_forms, x->x_capacity*sizeof(t_form) ); + + // set new structures + x->x_forms = forms; + x->x_nbforms = csize; + x->x_capacity = fnewsize; + if ( x->x_nbforms > 0 ) + { + x->x_current = 0; + } + else + { + x->x_current = -1; + } +} + +static void pdp_form_allocate(t_pdp_form *x) +{ + x->x_image = imlib_create_image( x->x_vwidth, x->x_vheight ); + if ( x->x_image == NULL ) + { + post( "pdp_form : severe error : could not allocate image !!" ); + } + imlib_context_set_image(x->x_image); +} + +static void pdp_form_free_ressources(t_pdp_form *x) +{ + if ( x->x_image != NULL ) imlib_free_image(); +} + +static void pdp_form_process_yv12(t_pdp_form *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 ti; + t_int px, py; + unsigned char y, u, v; + DATA32 *imdata; + DATA32 bgcolor; + short int *pY, *pU, *pV; + + if ( ( (int)(header->info.image.width) != x->x_vwidth ) || + ( (int)(header->info.image.height) != x->x_vheight ) ) + { + pdp_form_free_ressources(x); + x->x_vwidth = header->info.image.width; + x->x_vheight = header->info.image.height; + x->x_vsize = x->x_vwidth*x->x_vheight; + pdp_form_allocate(x); + } + + newheader->info.image.encoding = header->info.image.encoding; + newheader->info.image.width = x->x_vwidth; + newheader->info.image.height = x->x_vheight; + + memcpy( newdata, data, (x->x_vsize+(x->x_vsize>>1))<<1 ); + + // draw all texts + imlib_image_clear(); + imlib_context_set_direction(IMLIB_TEXT_TO_ANGLE); + imdata = imlib_image_get_data(); + bgcolor = imdata[0]; + + for (ti=0; ti<x->x_nbforms; ti++) + { + imlib_context_set_color( x->x_forms[ti].r, x->x_forms[ti].g, x->x_forms[ti].b, 255 ); + + switch ( x->x_forms[ti].type ) + { + case IMLIB_LINE : + imlib_image_draw_line( x->x_forms[ti].n1, x->x_forms[ti].n2, x->x_forms[ti].n3, x->x_forms[ti].n4, 1); + break; + + case IMLIB_RECTANGLE : + imlib_image_draw_rectangle( x->x_forms[ti].n1, x->x_forms[ti].n2, + x->x_forms[ti].n3-x->x_forms[ti].n1, x->x_forms[ti].n4-x->x_forms[ti].n2 ); + imlib_image_fill_rectangle( x->x_forms[ti].n1, x->x_forms[ti].n2, + x->x_forms[ti].n3-x->x_forms[ti].n1, x->x_forms[ti].n4-x->x_forms[ti].n2 ); + break; + + case IMLIB_ELLIPSE : + imlib_image_draw_ellipse( x->x_forms[ti].n1, x->x_forms[ti].n2, x->x_forms[ti].n3, x->x_forms[ti].n4 ); + imlib_image_fill_ellipse( x->x_forms[ti].n1, x->x_forms[ti].n2, x->x_forms[ti].n3, x->x_forms[ti].n4 ); + break; + } + } + + pY = newdata; + pV = newdata+x->x_vsize; + pU = newdata+x->x_vsize+(x->x_vsize>>2); + for ( py=0; py<x->x_vheight; py++ ) + { + for ( px=0; px<x->x_vwidth; px++ ) + { + if ( imdata[py*x->x_vwidth+px] != bgcolor ) + { + y = yuv_RGBtoY(imdata[py*x->x_vwidth+px]); + u = yuv_RGBtoU(imdata[py*x->x_vwidth+px]); + v = yuv_RGBtoV(imdata[py*x->x_vwidth+px]); + + *(pY) = y<<7; + if ( (px%2==0) && (py%2==0) ) + { + *(pV) = (v-128)<<8; + *(pU) = (u-128)<<8; + } + } + pY++; + if ( (px%2==0) && (py%2==0) ) + { + pV++;pU++; + } + } + } + + return; +} + +static void pdp_form_sendpacket(t_pdp_form *x) +{ + /* delete source 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_form_process(t_pdp_form *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_form_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_form_process_yv12, pdp_form_sendpacket, &x->x_queue_id); + break; + + case PDP_IMAGE_GREY: + // should write something to handle these one day + // but i don't use this mode + break; + + default: + /* don't know the type, so dont pdp_form_process */ + break; + + } + } + +} + +static void pdp_form_input_0(t_pdp_form *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_form_process(x); + + } + +} + +static void pdp_form_free(t_pdp_form *x) +{ + int i; + + pdp_form_free_ressources(x); + pdp_queue_finish(x->x_queue_id); + pdp_packet_mark_unused(x->x_packet0); +} + +t_class *pdp_form_class; + +void *pdp_form_new(void) +{ + int i; + + t_pdp_form *x = (t_pdp_form *)pd_new(pdp_form_class); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("current")); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("x1")); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("y1")); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("x2")); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("y2")); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("r")); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("g")); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("b")); + + 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_image = NULL; + + x->x_capacity = DEFAULT_CAPACITY; + + x->x_forms = (t_form *) getbytes( x->x_capacity*sizeof(t_form) ); + + for ( i=0; i<x->x_capacity; i++ ) + { + x->x_forms[i].r = x->x_forms[i].g = x->x_forms[i].b = 255; + } + + x->x_nbforms = 0; + x->x_current = -1; + + return (void *)x; +} + + +#ifdef __cplusplus +extern "C" +{ +#endif + + +void pdp_form_setup(void) +{ + + post( pdp_form_version ); + pdp_form_class = class_new(gensym("pdp_form"), (t_newmethod)pdp_form_new, + (t_method)pdp_form_free, sizeof(t_pdp_form), 0, A_NULL); + + class_addmethod(pdp_form_class, (t_method)pdp_form_input_0, gensym("pdp"), + A_SYMBOL, A_DEFFLOAT, A_NULL); + class_addmethod(pdp_form_class, (t_method)pdp_form_line, gensym("line"), A_GIMME, A_NULL); + class_addmethod(pdp_form_class, (t_method)pdp_form_rectangle, gensym("rectangle"), A_GIMME, A_NULL); + class_addmethod(pdp_form_class, (t_method)pdp_form_ellipse, gensym("ellipse"), A_GIMME, A_NULL); + class_addmethod(pdp_form_class, (t_method)pdp_form_current, gensym("current"), A_DEFFLOAT, A_NULL); + class_addmethod(pdp_form_class, (t_method)pdp_form_x1, gensym("x1"), A_DEFFLOAT, A_NULL); + class_addmethod(pdp_form_class, (t_method)pdp_form_y1, gensym("y1"), A_DEFFLOAT, A_NULL); + class_addmethod(pdp_form_class, (t_method)pdp_form_x2, gensym("x2"), A_DEFFLOAT, A_NULL); + class_addmethod(pdp_form_class, (t_method)pdp_form_y2, gensym("y2"), A_DEFFLOAT, A_NULL); + class_addmethod(pdp_form_class, (t_method)pdp_form_r, gensym("r"), A_DEFFLOAT, A_NULL); + class_addmethod(pdp_form_class, (t_method)pdp_form_g, gensym("g"), A_DEFFLOAT, A_NULL); + class_addmethod(pdp_form_class, (t_method)pdp_form_b, gensym("b"), A_DEFFLOAT, A_NULL); + class_addmethod(pdp_form_class, (t_method)pdp_form_clear, gensym("clear"), A_NULL); + class_addmethod(pdp_form_class, (t_method)pdp_form_delete, gensym("delete"), A_DEFFLOAT, A_NULL); + class_addmethod(pdp_form_class, (t_method)pdp_form_resize, gensym("resize"), A_DEFFLOAT, A_NULL); + +} + +#ifdef __cplusplus +} +#endif |