diff options
| -rw-r--r-- | colorpanel-help.pd | 25 | ||||
| -rw-r--r-- | colorpanel.c | 104 |
2 files changed, 129 insertions, 0 deletions
diff --git a/colorpanel-help.pd b/colorpanel-help.pd new file mode 100644 index 0000000..0f5a3d4 --- /dev/null +++ b/colorpanel-help.pd @@ -0,0 +1,25 @@ +#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; diff --git a/colorpanel.c b/colorpanel.c new file mode 100644 index 0000000..00945b5 --- /dev/null +++ b/colorpanel.c @@ -0,0 +1,104 @@ +#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); +} |