Update of /cvsroot/pure-data/externals/hcs In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv3126

Added Files: colorpanel.c colorpanel-help.pd Log Message: working version of the colorpanel

--- NEW FILE: colorpanel-help.pd --- #N canvas 274 159 494 344 10; #X obj 99 139 colorpanel; #X msg 99 56 bang; #X obj 112 198 pddp/print; #X obj 98 226 unpack float float float; #X obj 30 278 nbx 8 20 -1e+37 1e+37 0 0 empty empty red 0 28 0 14 -261234 -1 -1 0.937255 256; #X obj 150 278 nbx 8 20 -1e+37 1e+37 0 0 empty empty green 0 28 0 14 -204786 -1 -1 0.819608 256; #X obj 270 278 nbx 8 20 -1e+37 1e+37 0 0 empty empty blue 0 28 0 14 -203904 -1 -1 0.329412 256; #X text 35 16 pop up a color picker and output the red , green , blue values as a list of three floats ranging from 0 to 1; #X text 129 177 the list:; #X text 202 78 or open the window with an initial color; #X msg 108 78 symbol #beefee; #X msg 160 107 0.5 0.5 0.5; #X connect 0 0 2 0; #X connect 0 0 3 0; #X connect 1 0 0 0; #X connect 3 0 4 0; #X connect 3 1 5 0; #X connect 3 2 6 0; #X connect 10 0 0 0; #X connect 11 0 0 0;

--- NEW FILE: colorpanel.c --- #include <stdio.h> #include <stdlib.h> #include <string.h> #include <m_pd.h>

static t_class *colorpanel_class;

typedef struct _colorpanel { t_object x_obj; t_symbol *x_s; char current_color[MAXPDSTRING]; } t_colorpanel;

static void colorpanel_bang(t_colorpanel *x) { post("pd [concat %s callback [tk_colorpanel -initialcolor %s] \;]\n", x->x_s->s_name, x->current_color); sys_vgui("pd [concat %s callback [tk_colorpanel -initialcolor %s] \;]\n", x->x_s->s_name, x->current_color); }

static void colorpanel_symbol(t_colorpanel *x, t_symbol *s) { post("setting initial color: %s", s->s_name); strncpy(x->current_color, s->s_name, MAXPDSTRING); colorpanel_bang(x); }

static void colorpanel_list(t_colorpanel *x, t_symbol *s, int argc, t_atom *argv) { t_symbol *tmp_symbol = s; /* <-- this gets rid of the unused variable warning */ int i; unsigned int tmp_int; char color_buffer[3]; char color_string[MAXPDSTRING];

strncpy(color_string,"#",MAXPDSTRING); if(argc > 2) post("[colorpanel] warning more than three elements in list"); for(i=0; i<3; i++) { tmp_symbol = atom_getsymbolarg(i, argc, argv); if(tmp_symbol == &s_) { tmp_int = (unsigned int)(atom_getfloatarg(i, argc , argv) * 255); snprintf(color_buffer, 3, "%02x", (tmp_int > 255 ? 255 : tmp_int)); strncat(color_string, color_buffer, 3); } else { pd_error(x,"[colorpanel] symbol atom in color list"); } } memcpy(x->current_color, color_string, 7); post("setting initial color: %s", x->current_color); colorpanel_bang(x); }

static void colorpanel_callback(t_colorpanel *x, t_symbol *color) { t_atom output_atoms[3]; unsigned int red, green, blue;

if(color != &s_) { post("callback color: %s", color->s_name); strncpy(x->current_color, color->s_name, MAXPDSTRING); sscanf(x->current_color, "#%02x%02x%02x", &red, &green, &blue); post("current color: %s", x->current_color); SETFLOAT(output_atoms, (t_float) red / 255); SETFLOAT(output_atoms + 1, (t_float) green / 255); SETFLOAT(output_atoms + 2, (t_float) blue / 255); outlet_list(x->x_obj.ob_outlet, &s_list, 3, output_atoms); } }

static void colorpanel_free(t_colorpanel *x) { pd_unbind(&x->x_obj.ob_pd, x->x_s); }

static void *colorpanel_new( void) { char buf[MAXPDSTRING]; t_colorpanel *x = (t_colorpanel *)pd_new(colorpanel_class); sprintf(buf, "#%lx", (t_int)x); x->x_s = gensym(buf); pd_bind(&x->x_obj.ob_pd, x->x_s); outlet_new(&x->x_obj, &s_list); strcpy(x->current_color,"#ffffff"); return(x); }

void colorpanel_setup(void) { colorpanel_class = class_new(gensym("colorpanel"), (t_newmethod)colorpanel_new, (t_method)colorpanel_free, sizeof(t_colorpanel), 0, 0); class_addbang(colorpanel_class, (t_method)colorpanel_bang); class_addsymbol(colorpanel_class, (t_method)colorpanel_symbol); class_addlist(colorpanel_class, (t_method)colorpanel_list); class_addmethod(colorpanel_class, (t_method)colorpanel_callback, gensym("callback"), A_DEFSYMBOL, 0); }