[PD-cvs] SF.net SVN: pure-data: [9788] trunk/externals/ggee/gui
eighthave at users.sourceforge.net
eighthave at users.sourceforge.net
Mon May 12 20:13:56 CEST 2008
Revision: 9788
http://pure-data.svn.sourceforge.net/pure-data/?rev=9788&view=rev
Author: eighthave
Date: 2008-05-12 11:13:08 -0700 (Mon, 12 May 2008)
Log Message:
-----------
checked in updated gcanvas.c from PDa-0.7-pre1-src.tgz and updated help files; builds and works fine on Mac OS X, will test other platforms later
Modified Paths:
--------------
trunk/externals/ggee/gui/gcanvas-help.pd
trunk/externals/ggee/gui/gcanvas.c
Modified: trunk/externals/ggee/gui/gcanvas-help.pd
===================================================================
--- trunk/externals/ggee/gui/gcanvas-help.pd 2008-05-12 11:29:36 UTC (rev 9787)
+++ trunk/externals/ggee/gui/gcanvas-help.pd 2008-05-12 18:13:08 UTC (rev 9788)
@@ -1,12 +1,12 @@
-#N canvas 132 175 459 478 10;
+#N canvas 575 176 459 478 10;
#X obj 116 413 nbx 5 25 -1e+37 1e+37 0 0 empty empty X: -20 14 1 16
--241655 -1 -1 126 256;
+-241655 -1 -1 26 256;
#X obj 132 192 gcanvas 49 49;
#X obj 342 412 nbx 5 25 -1e+37 1e+37 0 0 empty empty Y: -20 14 1 16
--241655 -1 -1 27 256;
+-241655 -1 -1 23 256;
#X msg 132 172 size 49 49;
-#X obj 37 193 vsl 20 200 200 5 0 8.38861e+06 empty empty Y 0 -8 1 11
--241655 -1 -1 15308 0;
+#X obj 37 193 vsl 20 200 200 5 0 0 empty empty Y 0 -8 1 11 -241655
+-1 -1 15308 0;
#X obj 135 72 hsl 200 20 5 200 0 0 empty empty X -2 -6 1 11 -241655
-1 -1 4592 0;
#X obj 20 62 loadbang;
@@ -38,8 +38,12 @@
#X restore 132 118 pd guts;
#X text 41 24 click and drag in the grey [gcanvas] to get pixel values
;
+#X obj 246 274 bng 15 250 50 0 empty empty empty 17 7 0 10 -262144
+-1 -1;
+#X text 266 275 mouse clicked in box;
#X connect 1 0 0 0;
#X connect 1 1 2 0;
+#X connect 1 2 12 0;
#X connect 3 0 1 0;
#X connect 4 0 10 0;
#X connect 5 0 10 1;
Modified: trunk/externals/ggee/gui/gcanvas.c
===================================================================
--- trunk/externals/ggee/gui/gcanvas.c 2008-05-12 11:29:36 UTC (rev 9787)
+++ trunk/externals/ggee/gui/gcanvas.c 2008-05-12 18:13:08 UTC (rev 9788)
@@ -1,278 +1,480 @@
-/* (C) Guenter Geiger <geiger at xdv.org> */
-
-
-#include "m_pd.h"
-#include "g_canvas.h"
-
-/* ------------------------ gcanvas ----------------------------- */
-
-
-#define BACKGROUNDCOLOR "grey"
-
-#define DEFAULTSIZE 80
-
-static t_class *gcanvas_class;
-
-typedef struct _gcanvas
-{
- t_object x_obj;
- t_glist * x_glist;
- t_outlet* out2;
- t_outlet* out3;
- int x_width;
- int x_height;
- int x;
- int y;
-} t_gcanvas;
-
-/* widget helper functions */
-
-void gcanvas_drawme(t_gcanvas *x, t_glist *glist, int firsttime)
-{
- if (firsttime) {
- sys_vgui(".x%x.c create rectangle %d %d %d %d -tags %xS -fill %s\n",
- glist_getcanvas(glist),
- x->x_obj.te_xpix, x->x_obj.te_ypix,
- x->x_obj.te_xpix + x->x_width, x->x_obj.te_ypix + x->x_height,
- x,BACKGROUNDCOLOR);
- }
- else {
- sys_vgui(".x%x.c coords %xS \
-%d %d %d %d\n",
- glist_getcanvas(glist), x,
- x->x_obj.te_xpix, x->x_obj.te_ypix,
- x->x_obj.te_xpix + x->x_width, x->x_obj.te_ypix + x->x_height);
- }
-
- {
- /* outlets */
- int n = 2;
- int nplus, i;
- nplus = (n == 1 ? 1 : n-1);
- for (i = 0; i < n; i++)
- {
- int onset = x->x_obj.te_xpix + (x->x_width - IOWIDTH) * i / nplus;
- if (firsttime)
- sys_vgui(".x%x.c create rectangle %d %d %d %d -tags %xo%d\n",
- glist_getcanvas(glist),
- onset, x->x_obj.te_ypix + x->x_height - 1,
- onset + IOWIDTH, x->x_obj.te_ypix + x->x_height,
- x, i);
- else
- sys_vgui(".x%x.c coords %xo%d %d %d %d %d\n",
- glist_getcanvas(glist), x, i,
- onset, x->x_obj.te_ypix + x->x_height - 1,
- onset + IOWIDTH, x->x_obj.te_ypix + x->x_height);
- }
- /* inlets */
- n = 0;
- nplus = (n == 1 ? 1 : n-1);
- for (i = 0; i < n; i++)
- {
- int onset = x->x_obj.te_xpix + (x->x_width - IOWIDTH) * i / nplus;
- if (firsttime)
- sys_vgui(".x%x.c create rectangle %d %d %d %d -tags %xi%d\n",
- glist_getcanvas(glist),
- onset, x->x_obj.te_ypix,
- onset + IOWIDTH, x->x_obj.te_ypix + 1,
- x, i);
- else
- sys_vgui(".x%x.c coords %xi%d %d %d %d %d\n",
- glist_getcanvas(glist), x, i,
- onset, x->x_obj.te_ypix,
- onset + IOWIDTH, x->x_obj.te_ypix + 1);
-
- }
- }
-
-}
-
-
-
-
-void gcanvas_erase(t_gcanvas* x,t_glist* glist)
-{
- int n;
- sys_vgui(".x%x.c delete %xS\n",
- glist_getcanvas(glist), x);
- n = 2;
- while (n--) {
- sys_vgui(".x%x.c delete %xo%d\n",glist_getcanvas(glist),x,n);
- }
-}
-
-
-
-/* ------------------------ gcanvas widgetbehaviour----------------------------- */
-
-
-static void gcanvas_getrect(t_gobj *z, t_glist *owner,
- int *xp1, int *yp1, int *xp2, int *yp2)
-{
- int width, height;
- t_gcanvas* s = (t_gcanvas*)z;
-
-
- width = s->x_width;
- height = s->x_height;
- *xp1 = s->x_obj.te_xpix;
- *yp1 = s->x_obj.te_ypix;
- *xp2 = s->x_obj.te_xpix + width;
- *yp2 = s->x_obj.te_ypix + height;
-}
-
-static void gcanvas_displace(t_gobj *z, t_glist *glist,
- int dx, int dy)
-{
- t_gcanvas *x = (t_gcanvas *)z;
- x->x_obj.te_xpix += dx;
- x->x_obj.te_ypix += dy;
- gcanvas_drawme(x, glist, 0);
- canvas_fixlinesfor(glist_getcanvas(glist),(t_text*) x);
-}
-
-static void gcanvas_select(t_gobj *z, t_glist *glist, int state)
-{
- t_gcanvas *x = (t_gcanvas *)z;
- sys_vgui(".x%x.c itemconfigure %xS -fill %s\n", glist,
- x, (state? "blue" : BACKGROUNDCOLOR));
-}
-
-
-static void gcanvas_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 gcanvas_delete(t_gobj *z, t_glist *glist)
-{
- t_text *x = (t_text *)z;
- canvas_deletelinesfor(glist_getcanvas(glist), x);
-}
-
-
-static void gcanvas_vis(t_gobj *z, t_glist *glist, int vis)
-{
- t_gcanvas* s = (t_gcanvas*)z;
- if (vis)
- gcanvas_drawme(s, glist, 1);
- else
- gcanvas_erase(s,glist);
-}
-
-/* can we use the normal text save function ?? */
-
-static void gcanvas_save(t_gobj *z, t_binbuf *b)
-{
- t_gcanvas *x = (t_gcanvas *)z;
- binbuf_addv(b, "ssiisii", gensym("#X"), gensym("obj"),
- (t_int)x->x_obj.te_xpix, (t_int)x->x_obj.te_ypix,
- atom_getsymbol(binbuf_getvec(x->x_obj.te_binbuf)),
- x->x_width, x->x_height);
- binbuf_addv(b, ";");
-}
-
-
-t_widgetbehavior gcanvas_widgetbehavior;
-
-static void gcanvas_motion(t_gcanvas *x, t_floatarg dx, t_floatarg dy)
-{
- x->x += dx;
- x->y += dy;
- outlet_float(x->out2,x->y);
- outlet_float(x->x_obj.ob_outlet,x->x);
-}
-
-void gcanvas_key(t_gcanvas *x, t_floatarg f)
-{
- post("key");
-}
-
-
-static void gcanvas_click(t_gcanvas *x,
- t_floatarg xpos, t_floatarg ypos, t_floatarg shift, t_floatarg ctrl,
- t_floatarg alt)
-{
- glist_grab(x->x_glist, &x->x_obj.te_g, (t_glistmotionfn) gcanvas_motion,
- (t_glistkeyfn) NULL, xpos, ypos);
-
- x->x = xpos - x->x_obj.te_xpix;
- x->y = ypos - x->x_obj.te_ypix;
- outlet_float(x->out2,x->y);
- outlet_float(x->x_obj.ob_outlet,x->x);
-}
-
-static int gcanvas_newclick(t_gobj *z, struct _glist *glist,
- int xpix, int ypix, int shift, int alt, int dbl, int doit)
-{
- if (doit)
- gcanvas_click((t_gcanvas *)z, (t_floatarg)xpix, (t_floatarg)ypix,
- (t_floatarg)shift, 0, (t_floatarg)alt);
- return (1);
-}
-
-void gcanvas_size(t_gcanvas* x,t_floatarg w,t_floatarg h) {
- x->x_width = w;
- x->x_height = h;
- gcanvas_drawme(x, x->x_glist, 0);
-}
-
-static void gcanvas_setwidget(void)
-{
- gcanvas_widgetbehavior.w_getrectfn = gcanvas_getrect;
- gcanvas_widgetbehavior.w_displacefn = gcanvas_displace;
- gcanvas_widgetbehavior.w_selectfn = gcanvas_select;
- gcanvas_widgetbehavior.w_activatefn = gcanvas_activate;
- gcanvas_widgetbehavior.w_deletefn = gcanvas_delete;
- gcanvas_widgetbehavior.w_visfn = gcanvas_vis;
- gcanvas_widgetbehavior.w_clickfn = gcanvas_newclick;
-#if PD_MINOR_VERSION < 37
- gcanvas_widgetbehavior.w_propertiesfn = NULL;
- gcanvas_widgetbehavior.w_savefn = gcanvas_save;
-#endif
-}
-
-
-static void *gcanvas_new(t_floatarg h,t_floatarg o)
-{
- t_gcanvas *x = (t_gcanvas *)pd_new(gcanvas_class);
-
- x->x_glist = (t_glist*) canvas_getcurrent();
- if (h) x->x_width = h;
- else
- x->x_width = DEFAULTSIZE;
-
- if (o) x->x_height = o;
- else
- x->x_height = DEFAULTSIZE;
-
- outlet_new(&x->x_obj, &s_float);
- x->out2 = outlet_new(&x->x_obj, &s_float);
- x->out3 = outlet_new(&x->x_obj, &s_float);
- return (x);
-}
-
-
-
-void gcanvas_setup(void)
-{
- gcanvas_class = class_new(gensym("gcanvas"), (t_newmethod)gcanvas_new, 0,
- sizeof(t_gcanvas),0, A_DEFFLOAT,A_DEFFLOAT,0);
-
- class_addcreator((t_newmethod)gcanvas_new,gensym("bng"),A_DEFSYM,A_DEFFLOAT,A_DEFFLOAT,A_GIMME,0);
-
- class_addmethod(gcanvas_class, (t_method)gcanvas_click, gensym("click"),
- A_FLOAT, A_FLOAT, A_FLOAT, A_FLOAT, A_FLOAT, 0);
- class_addmethod(gcanvas_class, (t_method)gcanvas_size, gensym("size"),
- A_FLOAT, A_FLOAT, 0);
-
- gcanvas_setwidget();
- class_setwidget(gcanvas_class,&gcanvas_widgetbehavior);
-#if PD_MINOR_VERSION >= 37
- class_setsavefn(gcanvas_class,&gcanvas_save);
-#endif
-}
-
-
+/* (C) Guenter Geiger <geiger at xdv.org> */
+
+
+#include "m_pd.h"
+#include "g_canvas.h"
+
+/* ------------------------ gcanvas ----------------------------- */
+
+
+#define DEFAULTSIZE 80
+
+static t_class *gcanvas_class;
+
+#define RECT 1
+#define LINE 2
+#define MAXELEM 1024
+
+typedef struct _elem {
+ int x;
+ int y;
+ int w;
+ int h;
+ int g;
+ int type;
+ char* color;
+} t_element;
+
+typedef struct _gcanvas
+{
+ t_object x_obj;
+ t_glist * x_glist;
+ t_outlet* out2;
+ t_outlet* out3;
+ int x_width;
+ int x_height;
+ int x;
+ int y;
+ t_element* x_element[MAXELEM];
+ int x_numelem;
+} t_gcanvas;
+
+
+/*
+ cv .. canvas
+ o .. object identifier
+ c .. element id
+ x,y,w,h .. coordinates
+*/
+
+
+static void rectangle(void* cv,void* o,int c,int x, int y,int w,int h,char* color) {
+ sys_vgui(".x%x.c create rectangle \
+ %d %d %d %d -tags %x%d -fill %s\n",cv,x,y,x+w,y+h,o,c,color);
+}
+
+static void move_object(void* cv,void* o,int c,int x, int y,int w,int h) {
+ sys_vgui(".x%x.c coords %x%d %d %d %d %d\n",
+ cv,o,c,x,y,x+w,y+h);
+
+}
+
+static void color_object(void* cv,void* o,int c,char* color) {
+ sys_vgui(".x%x.c itemconfigure %x%d -fill %s\n", cv,
+ o, c,color);
+}
+
+static void delete_object(void* cv,void* o,int c) {
+ sys_vgui(".x%x.c delete %x%d\n",
+ cv, o,c);
+}
+
+static void line(void* cv,void* o,int c,int x,int y,int w,int h,char* color) {
+ sys_vgui(".x%x.c create line \
+ %d %d %d %d -tags %x%d -fill %s\n",cv,x,y,x+w,y+h,o,c,color);
+}
+
+static void gcanvas_draw_element(t_gcanvas *x,int num)
+{
+ t_element* e = x->x_element[num];
+ if (!e) post("gcanvas_draw_element assertion failed");
+ switch (e->type) {
+ case RECT:
+ rectangle(glist_getcanvas(x->x_glist),x,num,
+ x->x_obj.te_xpix + e->x,
+ x->x_obj.te_ypix + e->y,
+ e->w, e->h,e->color);
+ break;
+ case LINE:
+ line(glist_getcanvas(x->x_glist),x,num,
+ x->x_obj.te_xpix + e->x,
+ x->x_obj.te_ypix + e->y,
+ e->w, e->h,e->color);
+ break;
+ default:
+ post("gcanvas: unknown element");
+ }
+}
+
+static void gcanvas_move_element(t_gcanvas *x,int num)
+{
+ t_element* e = x->x_element[num];
+ move_object(
+ glist_getcanvas(x->x_glist),x,num,
+ x->x_obj.te_xpix + e->x, x->x_obj.te_ypix + e->y,
+ e->w, e->h);
+}
+
+static void gcanvas_delete_element(t_gcanvas *x,int num)
+{
+ delete_object(glist_getcanvas(x->x_glist),x,num);
+}
+
+
+static void gcanvas_color_element(t_gcanvas* x,int num,char* color)
+{
+ t_element* e = x->x_element[num];
+ e->color = color;
+ color_object(glist_getcanvas(x->x_glist),x,num,color);
+}
+
+
+/* widget helper functions */
+
+void gcanvas_drawme(t_gcanvas *x, t_glist *glist, int firsttime)
+{
+ int i;
+
+ if (firsttime) {
+ for (i=0;i<x->x_numelem;i++)
+ gcanvas_draw_element(x,i);
+ }
+ else {
+ for (i=0;i<x->x_numelem;i++)
+ gcanvas_move_element(x,i);
+ }
+
+ {
+ /* outlets */
+ int n = 3;
+ int nplus, i;
+ nplus = (n == 1 ? 1 : n-1);
+ for (i = 0; i < n; i++)
+ {
+ int onset = x->x_obj.te_xpix + (x->x_width - IOWIDTH) * i / nplus;
+ if (firsttime)
+ sys_vgui(".x%x.c create rectangle %d %d %d %d -tags %xo%d\n",
+ glist_getcanvas(glist),
+ onset, x->x_obj.te_ypix + x->x_height - 1,
+ onset + IOWIDTH, x->x_obj.te_ypix + x->x_height,
+ x, i);
+ else
+ sys_vgui(".x%x.c coords %xo%d %d %d %d %d\n",
+ glist_getcanvas(glist), x, i,
+ onset, x->x_obj.te_ypix + x->x_height - 1,
+ onset + IOWIDTH, x->x_obj.te_ypix + x->x_height);
+ }
+ /* inlets */
+ n = 0;
+ nplus = (n == 1 ? 1 : n-1);
+ for (i = 0; i < n; i++)
+ {
+ int onset = x->x_obj.te_xpix + (x->x_width - IOWIDTH) * i / nplus;
+ if (firsttime)
+ sys_vgui(".x%x.c create rectangle %d %d %d %d -tags %xi%d\n",
+ glist_getcanvas(glist),
+ onset, x->x_obj.te_ypix,
+ onset + IOWIDTH, x->x_obj.te_ypix + 1,
+ x, i);
+ else
+ sys_vgui(".x%x.c coords %xi%d %d %d %d %d\n",
+ glist_getcanvas(glist), x, i,
+ onset, x->x_obj.te_ypix,
+ onset + IOWIDTH, x->x_obj.te_ypix + 1);
+
+ }
+ }
+
+}
+
+
+
+
+void gcanvas_erase(t_gcanvas* x,t_glist* glist)
+{
+ int n,i;
+
+ for (i=0;i<x->x_numelem;i++)
+ gcanvas_delete_element(x,i);
+
+ n = 3;
+ while (n--) {
+ sys_vgui(".x%x.c delete %xo%d\n",glist_getcanvas(glist),x,n);
+ }
+}
+
+
+
+/* ------------------------ gcanvas widgetbehaviour----------------------------- */
+
+
+static void gcanvas_getrect(t_gobj *z, t_glist *owner,
+ int *xp1, int *yp1, int *xp2, int *yp2)
+{
+ int width, height;
+ t_gcanvas* s = (t_gcanvas*)z;
+
+
+ width = s->x_width;
+ height = s->x_height;
+ *xp1 = s->x_obj.te_xpix;
+ *yp1 = s->x_obj.te_ypix;
+ *xp2 = s->x_obj.te_xpix + width;
+ *yp2 = s->x_obj.te_ypix + height;
+}
+
+static void gcanvas_displace(t_gobj *z, t_glist *glist,
+ int dx, int dy)
+{
+ t_gcanvas *x = (t_gcanvas *)z;
+ x->x_obj.te_xpix += dx;
+ x->x_obj.te_ypix += dy;
+ gcanvas_drawme(x, glist, 0);
+ canvas_fixlinesfor(glist_getcanvas(glist),(t_text*) x);
+}
+
+static void gcanvas_select(t_gobj *z, t_glist *glist, int state)
+{
+ t_gcanvas *x = (t_gcanvas *)z;
+ color_object(glist,x,0,state ? "blue" : x->x_element[0]->color);
+}
+
+
+static void gcanvas_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 gcanvas_delete(t_gobj *z, t_glist *glist)
+{
+ t_text *x = (t_text *)z;
+ canvas_deletelinesfor(glist_getcanvas(glist), x);
+}
+
+
+static void gcanvas_vis(t_gobj *z, t_glist *glist, int vis)
+{
+ t_gcanvas* s = (t_gcanvas*)z;
+ if (vis)
+ gcanvas_drawme(s, glist, 1);
+ else
+ gcanvas_erase(s,glist);
+}
+
+/* can we use the normal text save function ?? */
+
+static void gcanvas_save(t_gobj *z, t_binbuf *b)
+{
+ t_gcanvas *x = (t_gcanvas *)z;
+ binbuf_addv(b, "ssiisii", gensym("#X"),gensym("obj"),
+ (t_int)x->x_obj.te_xpix, (t_int)x->x_obj.te_ypix,
+ gensym("gcanvas"),x->x_width,x->x_height);
+ binbuf_addv(b, ";");
+}
+
+
+t_widgetbehavior gcanvas_widgetbehavior;
+
+static void gcanvas_motion(t_gcanvas *x, t_floatarg dx, t_floatarg dy)
+{
+ x->x += dx;
+ x->y += dy;
+ outlet_float(x->out2,x->y);
+ outlet_float(x->x_obj.ob_outlet,x->x);
+}
+
+void gcanvas_key(t_gcanvas *x, t_floatarg f)
+{
+ post("key");
+}
+
+
+static void gcanvas_click(t_gcanvas *x,
+ t_floatarg xpos, t_floatarg ypos, t_floatarg shift, t_floatarg ctrl,
+ t_floatarg doit,int up)
+{
+ glist_grab(x->x_glist, &x->x_obj.te_g, (t_glistmotionfn) gcanvas_motion,
+ (t_glistkeyfn) NULL, xpos, ypos);
+
+ x->x = xpos - x->x_obj.te_xpix;
+ x->y = ypos - x->x_obj.te_ypix;
+ outlet_float(x->out2,x->y);
+ outlet_float(x->x_obj.ob_outlet,x->x);
+ outlet_float(x->out3,0);
+}
+
+static int gcanvas_newclick(t_gobj *z, struct _glist *glist,
+ int xpix, int ypix, int shift, int alt, int dbl, int doit)
+{
+ if (doit)
+ gcanvas_click((t_gcanvas *)z, (t_floatarg)xpix, (t_floatarg)ypix,
+ (t_floatarg)shift, 0, (t_floatarg)alt,dbl);
+
+ if (dbl) outlet_float(((t_gcanvas*)z)->out3,1);
+ return (1);
+}
+
+void gcanvas_size(t_gcanvas* x,t_floatarg w,t_floatarg h) {
+ x->x_width = w;
+ x->x_height = h;
+ gcanvas_drawme(x, x->x_glist, 0);
+}
+
+static void gcanvas_setwidget(void)
+{
+ gcanvas_widgetbehavior.w_getrectfn = gcanvas_getrect;
+ gcanvas_widgetbehavior.w_displacefn = gcanvas_displace;
+ gcanvas_widgetbehavior.w_selectfn = gcanvas_select;
+ gcanvas_widgetbehavior.w_activatefn = gcanvas_activate;
+ gcanvas_widgetbehavior.w_deletefn = gcanvas_delete;
+ gcanvas_widgetbehavior.w_visfn = gcanvas_vis;
+ gcanvas_widgetbehavior.w_clickfn = gcanvas_newclick;
+ class_setsavefn(gcanvas_class,gcanvas_save);
+}
+
+
+static void gcanvas_rect(t_gcanvas* x,t_symbol* c,float xp,float y,float w,float h)
+{
+ t_element* e = getbytes(sizeof(t_element));
+ x->x_element[x->x_numelem++] = e;
+
+ e->type = RECT;
+ e->x = xp;
+ e->y = y;
+ e->w = w;
+ e->h = h;
+ e->color = c->s_name;
+ gcanvas_draw_element(x,x->x_numelem-1);
+}
+
+static void gcanvas_line(t_gcanvas* x,t_symbol* c,float xp,float y,float w,float h)
+{
+ if (x->x_numelem < MAXELEM-1) {
+ t_element* e = getbytes(sizeof(t_element));
+ x->x_element[x->x_numelem++] = e;
+ e->type = LINE;
+ e->x = xp;
+ e->y = y;
+ e->w = w;
+ e->h = h;
+ e->g = 1;
+ e->color = c->s_name;
+ gcanvas_draw_element(x,x->x_numelem-1);
+ }
+}
+
+static void gcanvas_move(t_gcanvas* x,float num,float xp,float y,float w,float h)
+{
+ t_element* e = x->x_element[(int)num];
+ if (e) {
+ e->x = xp;
+ e->y = y;
+ e->w = w;
+ e->h = h;
+ gcanvas_move_element(x,(int)num);
+ }
+}
+
+static void gcanvas_color(t_gcanvas* x,t_symbol* c,float num)
+{
+ gcanvas_color_element(x,(int)num,c->s_name);
+}
+
+
+void gcanvas_deletenum(t_gcanvas* x,float num)
+{
+ int i = (int) num;
+ if (x->x_element[i]) {
+ gcanvas_delete_element(x,i);
+ freebytes(x->x_element[i],sizeof(t_element));
+ x->x_element[i] = NULL;
+ }
+}
+
+static void gcanvas_reset(t_gcanvas* x) {
+ int i;
+ for (i=1;i<x->x_numelem;i++)
+ gcanvas_deletenum(x,i);
+ x->x_numelem = 1;
+}
+
+static void *gcanvas_new(t_symbol* s,t_int ac,t_atom* at)
+{
+ int i;
+ t_gcanvas *x = (t_gcanvas *)pd_new(gcanvas_class);
+
+ x->x_glist = (t_glist*) canvas_getcurrent();
+
+ for (i=0;i<MAXELEM;i++)
+ x->x_element[i] = NULL;
+ x->x_numelem = 0;
+
+
+ /* Fetch the width */
+
+ x->x_width = DEFAULTSIZE;
+ if (ac-- > 0) {
+ if (at->a_type != A_FLOAT)
+ error("gcanvas: wrong argument type");
+ else
+ x->x_width = atom_getfloat(at++);
+
+ if (x->x_width < 0 || x->x_width > 2000) {
+ error("gcanvas: unallowed width %f",x->x_width);
+ x->x_width = DEFAULTSIZE;
+ }
+ }
+
+ /* Fetch the height */
+
+ x->x_height = DEFAULTSIZE;
+ if (ac-- > 0) {
+ if (at->a_type != A_FLOAT)
+ error("gcanvas: wrong argument type");
+ else
+ x->x_height = atom_getfloat(at++);
+
+ if (x->x_height < 0 || x->x_height > 2000) {
+ error("gcanvas: unallowed height %f",x->x_height);
+ x->x_width = DEFAULTSIZE;
+ }
+ }
+
+ x->x_element[0] = getbytes(sizeof(t_element));
+ x->x_numelem++;
+
+ x->x_element[0]->type = RECT;
+ x->x_element[0]->x = 0;
+ x->x_element[0]->y = 0;
+ x->x_element[0]->w = x->x_width;
+ x->x_element[0]->h = x->x_height;
+ x->x_element[0]->color = "white";
+
+
+ outlet_new(&x->x_obj, &s_float);
+ x->out2 = outlet_new(&x->x_obj, &s_float);
+ x->out3 = outlet_new(&x->x_obj, &s_float);
+ return (x);
+}
+
+
+
+void gcanvas_setup(void)
+{
+ gcanvas_class = class_new(gensym("gcanvas"), (t_newmethod)gcanvas_new, 0,
+ sizeof(t_gcanvas),0, A_GIMME,0);
+
+ class_addmethod(gcanvas_class, (t_method)gcanvas_click, gensym("click"),
+ A_FLOAT, A_FLOAT, A_FLOAT, A_FLOAT, A_FLOAT, 0);
+ class_addmethod(gcanvas_class, (t_method)gcanvas_size, gensym("size"),
+ A_FLOAT, A_FLOAT, 0);
+
+ class_addmethod(gcanvas_class, (t_method)gcanvas_line, gensym("line"),
+ A_SYMBOL, A_FLOAT, A_FLOAT, A_FLOAT,A_FLOAT,0);
+ class_addmethod(gcanvas_class, (t_method)gcanvas_rect, gensym("rect"),
+ A_SYMBOL, A_FLOAT, A_FLOAT, A_FLOAT,A_FLOAT,0);
+ class_addmethod(gcanvas_class, (t_method)gcanvas_move, gensym("move"),
+ A_FLOAT, A_FLOAT, A_FLOAT, A_FLOAT,A_FLOAT,0);
+ class_addmethod(gcanvas_class, (t_method)gcanvas_color, gensym("color"),
+ A_SYMBOL,A_FLOAT,0);
+ class_addmethod(gcanvas_class, (t_method)gcanvas_deletenum,gensym("delete"),
+ A_FLOAT,0);
+
+ class_addmethod(gcanvas_class, (t_method)gcanvas_reset,gensym("reset"),0);
+ gcanvas_setwidget();
+ class_setwidget(gcanvas_class,&gcanvas_widgetbehavior);
+}
+
+
This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.
More information about the Pd-cvs
mailing list