diff options
Diffstat (limited to 'photo.c')
| -rw-r--r-- | photo.c | 236 |
1 files changed, 236 insertions, 0 deletions
@@ -0,0 +1,236 @@ +/* [photo] object for dislaying images in a patch + + Copyright (C) 2002-2004 Guenter Geiger + Copyright (C) 2007 Hans-Christoph Steiner <hans@at.or.at> + + 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 is part of the tkwidgets library for Pd. + +*/ + +#include "shared/tkwidgets.h" + +/* ------------------------ photo ----------------------------- */ + +static t_class *photo_class; + +typedef struct _photo +{ + t_object x_obj; + t_glist* x_glist; + t_symbol* receive_name; + int x_width; + int x_height; + t_symbol* filename; +} t_photo; + +static char *photo_tk_options[] = { + "activeimage", + "disabledimage", + "gamma", + "image", + "state" +}; + +/* widget helper functions */ + + void photo_drawme(t_photo *x, t_glist *glist, int firsttime) +{ + if (firsttime) + { + char fname[MAXPDSTRING]; + canvas_makefilename(glist_getcanvas(x->x_glist), x->filename->s_name, + fname, MAXPDSTRING); + + sys_vgui("image create photo img%x -file {%s}\n", x, fname); + sys_vgui(".x%x.c create image %d %d -image img%x -anchor nw -tags %xS\n", + glist_getcanvas(glist),text_xpix(&x->x_obj, glist), + text_ypix(&x->x_obj, glist),x,x); + + /* TODO callback from gui + sys_vgui("photo_size logo"); + */ + } + else + { + sys_vgui(".x%x.c coords %xS %d %d\n", + glist_getcanvas(glist), x, + text_xpix(&x->x_obj, glist), text_ypix(&x->x_obj, glist)); + } + +} + + +void photo_erase(t_photo* x,t_glist* glist) +{ + int n; + sys_vgui(".x%x.c delete %xS\n", + glist_getcanvas(glist), x); + +} + + + +/* ------------------------ photo widgetbehaviour----------------------------- */ + + +static void photo_getrect(t_gobj *z, t_glist *glist, + int *xp1, int *yp1, int *xp2, int *yp2) +{ + t_photo* x = (t_photo*)z; + + *xp1 = text_xpix(&x->x_obj, glist); + *yp1 = text_ypix(&x->x_obj, glist); + *xp2 = text_xpix(&x->x_obj, glist) + x->x_width; + *yp2 = text_ypix(&x->x_obj, glist) + x->x_height; +} + +static void photo_displace(t_gobj *z, t_glist *glist, + int dx, int dy) +{ + t_photo *x = (t_photo *)z; + x->x_obj.te_xpix += dx; + x->x_obj.te_ypix += dy; + sys_vgui(".x%x.c coords %xSEL %d %d %d %d\n", + glist_getcanvas(glist), x, + text_xpix(&x->x_obj, glist), text_ypix(&x->x_obj, glist), + text_xpix(&x->x_obj, glist) + x->x_width, text_ypix(&x->x_obj, glist) + x->x_height); + + photo_drawme(x, glist, 0); + canvas_fixlinesfor(glist_getcanvas(glist),(t_text*) x); +} + +static void photo_select(t_gobj *z, t_glist *glist, int state) +{ + t_photo *x = (t_photo *)z; + if (state) { + sys_vgui(".x%x.c create rectangle \ +%d %d %d %d -tags %xSEL -outline blue\n", + glist_getcanvas(glist), + text_xpix(&x->x_obj, glist), text_ypix(&x->x_obj, glist), + text_xpix(&x->x_obj, glist) + x->x_width, text_ypix(&x->x_obj, glist) + x->x_height, + x); + } + else + { + sys_vgui(".x%x.c delete %xSEL\n", + glist_getcanvas(glist), x); + } +} + + +static void photo_activate(t_gobj *z, t_glist *glist, int state) +{ +/* t_text *x = (t_text *)z; + t_rtext *y = glist_findrtext(glist, x); + if (z->g_pd != gatom_class) rtext_activate(y, state);*/ +} + +static void photo_delete(t_gobj *z, t_glist *glist) +{ + t_text *x = (t_text *)z; + canvas_deletelinesfor(glist_getcanvas(glist), x); +} + + +static void photo_vis(t_gobj *z, t_glist *glist, int vis) +{ + t_photo* s = (t_photo*)z; + if (vis) + photo_drawme(s, glist, 1); + else + photo_erase(s,glist); +} + +/* can we use the normal text save function ?? */ + +static void photo_save(t_gobj *z, t_binbuf *b) +{ + t_photo *x = (t_photo *)z; + binbuf_addv(b, "ssiiss;", gensym("#X"), gensym("obj"), + x->x_obj.te_xpix, x->x_obj.te_ypix, + atom_getsymbol(binbuf_getvec(x->x_obj.te_binbuf)), + x->filename); +} + + +void photo_size(t_photo* x,t_floatarg w,t_floatarg h) { + x->x_width = w; + x->x_height = h; +} + +void photo_open(t_photo* x, t_symbol* fname) +{ + x->filename = fname; + photo_erase(x, x->x_glist); + photo_drawme(x, x->x_glist, 1); +} + + +static void photo_free(t_photo *x) +{ + pd_unbind(&x->x_obj.ob_pd, x->receive_name); +} + +static void *photo_new(t_symbol* s) +{ + t_photo *x = (t_photo *)pd_new(photo_class); + + x->x_glist = (t_glist*) canvas_getcurrent(); + + x->x_width = 15; + x->x_height = 15; + + x->x_glist = canvas_getcurrent(); + + x->filename = s; + outlet_new(&x->x_obj, &s_float); + return (x); +} + + +static t_widgetbehavior photo_widgetbehavior = { +w_getrectfn: photo_getrect, +w_displacefn: photo_displace, +w_selectfn: photo_select, +w_activatefn: photo_activate, +w_deletefn: photo_delete, +w_visfn: photo_vis, +w_clickfn: NULL, +}; + +void photo_setup(void) +{ + photo_class = class_new(gensym("photo"), (t_newmethod)photo_new, + (t_method)photo_free, + sizeof(t_photo), 0, A_DEFSYM,0); + + class_addmethod(photo_class, (t_method)photo_size, gensym("size"), + A_FLOAT, A_FLOAT, 0); + +/* + class_addmethod(photo_class, (t_method)photo_color, gensym("color"), + A_SYMBOL, 0); +*/ + + class_addmethod(photo_class, (t_method)photo_open, gensym("open"), + A_SYMBOL, 0); + + class_setwidget(photo_class, &photo_widgetbehavior); + class_setsavefn(photo_class, &photo_save); +} + + |