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-rw-r--r--pianoroll.c817
1 files changed, 817 insertions, 0 deletions
diff --git a/pianoroll.c b/pianoroll.c
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+++ b/pianoroll.c
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+/* Copyright (c) 1997-1999 Miller Puckette. */
+/* For information on usage and redistribution, and for a DISCLAIMER OF ALL */
+/* WARRANTIES, see the file, "LICENSE.txt," in this distribution. */
+/* */
+/* pianoroll : a graphical object which enables */
+/* to control a sequencer ( pitch and volume ) */
+/* */
+/* Copyleft 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. */
+/* */
+/* See file LICENSE for further informations on licensing terms. */
+/* */
+/* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+/* */
+/* Based on PureData by Miller Puckette and others. */
+/* */
+/* "If you obey society's rules" */
+/* "You'll be society's fool" */
+/* Devo - Society's rules */
+/* ---------------------------------------------------------------------------- */
+
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <math.h>
+#include <ctype.h>
+#include "m_pd.h"
+#include "m_imp.h"
+#include "g_canvas.h"
+
+#include "pianoroll.h"
+
+#ifdef _WIN32
+#include <io.h>
+#else
+#include <unistd.h>
+#endif
+
+/* needed to create a pianoroll from PD's menu
+void canvas_objtext(t_glist *gl, int xpos, int ypos, int selected, t_binbuf *b);
+void canvas_startmotion(t_canvas *x);
+*/
+
+#define DEFAULT_SEQUENCER_WIDTH 200
+#define DEFAULT_SEQUENCER_HEIGHT 200
+#define DEFAULT_SEQUENCER_STEPS 16
+#define DEFAULT_SEQUENCER_NBGRADES 31
+#define DEFAULT_SEQUENCER_PITCH_MIN -15
+#define DEFAULT_SEQUENCER_PITCH_MAX 15
+
+static char *pianoroll_version = "pianoroll: a graphical sequencer controller, version 0.10 (ydegoyon@free.fr)";
+
+t_widgetbehavior pianoroll_widgetbehavior;
+static t_class *pianoroll_class;
+static int pianorollcount=0;
+
+static int guidebug=0;
+static int pointsize = 5;
+
+#define SYS_VGUI2(a,b) if (guidebug) \
+ post(a,b);\
+ sys_vgui(a,b)
+
+#define SYS_VGUI3(a,b,c) if (guidebug) \
+ post(a,b,c);\
+ sys_vgui(a,b,c)
+
+#define SYS_VGUI4(a,b,c,d) if (guidebug) \
+ post(a,b,c,d);\
+ sys_vgui(a,b,c,d)
+
+#define SYS_VGUI5(a,b,c,d,e) if (guidebug) \
+ post(a,b,c,d,e);\
+ sys_vgui(a,b,c,d,e)
+
+#define SYS_VGUI7(a,b,c,d,e,f,g) if (guidebug) \
+ post(a,b,c,d,e,f,g );\
+ sys_vgui(a,b,c,d,e,f,g)
+
+#define SYS_VGUI9(a,b,c,d,e,f,g,h,i) if (guidebug) \
+ post(a,b,c,d,e,f,g,h,i );\
+ sys_vgui(a,b,c,d,e,f,g,h,i)
+
+/* drawing functions */
+static void pianoroll_draw_update(t_pianoroll *x, t_glist *glist)
+{
+ t_int si;
+ t_canvas *canvas=glist_getcanvas(glist);
+
+ for ( si=0; si<x->x_nbsteps; si++ )
+ {
+ int vi = (int)((1.0-x->x_volumes[si])*(x->x_nbgrades-1));
+ int pi = (int)((x->x_pmax-x->x_peaches[si])/(x->x_pmax-x->x_pmin)*(x->x_nbgrades-1));
+
+ x->x_ivolumes[ si ] = vi;
+ x->x_ipeaches[ si ] = pi;
+ SYS_VGUI5(".x%x.c itemconfigure %xPITCH%.4d%.4d -fill #FFFF00\n", canvas, x, si, pi);
+ SYS_VGUI5(".x%x.c itemconfigure %xVOLUME%.4d%.4d -fill #FF0000\n", canvas, x, si, vi);
+ }
+}
+
+static void pianoroll_draw_new(t_pianoroll *x, t_glist *glist)
+{
+ t_canvas *canvas=glist_getcanvas(glist);
+
+ // draw the grid
+ {
+ int gi, gj;
+ t_float xgstep = x->x_width/x->x_nbsteps;
+ t_float ygstep = x->x_height/x->x_nbgrades;
+ for ( gi=0; gi<x->x_nbsteps; gi++ )
+ {
+ for ( gj=0; gj<x->x_nbgrades; gj++ )
+ {
+ SYS_VGUI9(".x%x.c create rectangle %d %d %d %d -fill #771623 -outline #998121 -tags %xPITCH%.4d%.4d\n",
+ canvas,
+ text_xpix(&x->x_obj, glist)+(int)(gi*xgstep),
+ text_ypix(&x->x_obj, glist)+(int)(gj*ygstep),
+ text_xpix(&x->x_obj, glist)+(int)(gi*xgstep)+(int)(2*xgstep/3),
+ text_ypix(&x->x_obj, glist)+(int)((gj+1)*ygstep),
+ x, gi, gj );
+ SYS_VGUI9(".x%x.c create rectangle %d %d %d %d -fill #562663 -outline #998121 -tags %xVOLUME%.4d%.4d\n",
+ canvas,
+ text_xpix(&x->x_obj, glist)+(int)(gi*xgstep)+(int)(2*xgstep/3),
+ text_ypix(&x->x_obj, glist)+(int)(gj*ygstep),
+ text_xpix(&x->x_obj, glist)+(int)((gi+1)*xgstep),
+ text_ypix(&x->x_obj, glist)+(int)((gj+1)*ygstep),
+ x, gi, gj );
+ }
+ }
+ // adjust height and width
+ x->x_width = (int)((x->x_nbsteps)*xgstep);
+ x->x_height = (int)((x->x_nbgrades)*ygstep);
+ }
+ SYS_VGUI7(".x%x.c create rectangle %d %d %d %d -tags %xIN\n",
+ canvas, text_xpix(&x->x_obj, glist), text_ypix(&x->x_obj, glist) - 1,
+ text_xpix(&x->x_obj, glist)+7, text_ypix(&x->x_obj, glist),
+ x);
+ SYS_VGUI7(".x%x.c create rectangle %d %d %d %d -tags %xOUTL\n",
+ canvas, text_xpix(&x->x_obj, glist), text_ypix(&x->x_obj, glist) + x->x_height+1,
+ text_xpix(&x->x_obj, glist)+7, text_ypix(&x->x_obj, glist) + x->x_height+2,
+ x);
+ SYS_VGUI7(".x%x.c create rectangle %d %d %d %d -tags %xOUTR\n",
+ canvas, text_xpix(&x->x_obj, glist)+x->x_width-7, text_ypix(&x->x_obj, glist) + x->x_height+1,
+ text_xpix(&x->x_obj, glist)+x->x_width, text_ypix(&x->x_obj, glist) + x->x_height+2,
+ x);
+
+ canvas_fixlinesfor( canvas, (t_text*)x );
+}
+
+static void pianoroll_draw_move(t_pianoroll *x, t_glist *glist)
+{
+ t_canvas *canvas=glist_getcanvas(glist);
+
+ // move the grid
+ {
+ int gi, gj;
+ t_float xgstep = x->x_width/x->x_nbsteps;
+ t_float ygstep = x->x_height/x->x_nbgrades;
+ for ( gi=0; gi<x->x_nbsteps; gi++ )
+ {
+ for ( gj=0; gj<x->x_nbgrades; gj++ )
+ {
+ SYS_VGUI9(".x%x.c coords %xPITCH%.4d%.4d %d %d %d %d\n",
+ canvas, x, gi, gj,
+ text_xpix(&x->x_obj, glist)+(int)(gi*xgstep),
+ text_ypix(&x->x_obj, glist)+(int)(gj*ygstep),
+ text_xpix(&x->x_obj, glist)+(int)(gi*xgstep)+(int)(2*xgstep/3),
+ text_ypix(&x->x_obj, glist)+(int)((gj+1)*ygstep)
+ );
+ SYS_VGUI9(".x%x.c coords %xVOLUME%.4d%.4d %d %d %d %d\n",
+ canvas, x, gi, gj,
+ text_xpix(&x->x_obj, glist)+(int)(gi*xgstep)+(int)(2*xgstep/3),
+ text_ypix(&x->x_obj, glist)+(int)(gj*ygstep),
+ text_xpix(&x->x_obj, glist)+(int)((gi+1)*xgstep),
+ text_ypix(&x->x_obj, glist)+(int)((gj+1)*ygstep)
+ );
+ }
+ }
+ }
+ SYS_VGUI7(".x%x.c coords %xIN %d %d %d %d \n",
+ canvas, x, text_xpix(&x->x_obj, glist), text_ypix(&x->x_obj, glist) - 1,
+ text_xpix(&x->x_obj, glist)+7, text_ypix(&x->x_obj, glist)
+ );
+ SYS_VGUI7(".x%x.c coords %xOUTL %d %d %d %d\n",
+ canvas, x, text_xpix(&x->x_obj, glist), text_ypix(&x->x_obj, glist) + x->x_height+1,
+ text_xpix(&x->x_obj, glist)+7, text_ypix(&x->x_obj, glist) + x->x_height+2
+ );
+ SYS_VGUI7(".x%x.c coords %xOUTR %d %d %d %d\n",
+ canvas, x, text_xpix(&x->x_obj, glist)+x->x_width-7, text_ypix(&x->x_obj, glist) + x->x_height+1,
+ text_xpix(&x->x_obj, glist)+x->x_width, text_ypix(&x->x_obj, glist) + x->x_height+2
+ );
+ canvas_fixlinesfor( canvas, (t_text*)x );
+}
+
+static void pianoroll_draw_erase(t_pianoroll* x,t_glist* glist)
+{
+ t_canvas *canvas=glist_getcanvas(glist);
+ t_int i;
+
+ SYS_VGUI3(".x%x.c delete %xIN\n", canvas, x);
+ SYS_VGUI3(".x%x.c delete %xOUTL\n", canvas, x);
+ SYS_VGUI3(".x%x.c delete %xOUTR\n", canvas, x);
+ // delete the grid
+ {
+ int gi, gj;
+ for ( gi=0; gi<x->x_nbsteps; gi++ )
+ {
+ for ( gj=0; gj<x->x_nbgrades; gj++ )
+ {
+ SYS_VGUI5(".x%x.c delete %xPITCH%.4d%.4d\n", canvas, x, gi, gj);
+ SYS_VGUI5(".x%x.c delete %xVOLUME%.4d%.4d\n", canvas, x, gi, gj);
+ }
+ }
+ }
+}
+
+static void pianoroll_draw_select(t_pianoroll* x,t_glist* glist)
+{
+ t_canvas *canvas=glist_getcanvas(glist);
+
+ if(x->x_selected)
+ {
+ pd_bind(&x->x_obj.ob_pd, x->x_name);
+ /* sets the item in blue */
+ }
+ else
+ {
+ pd_unbind(&x->x_obj.ob_pd, x->x_name);
+ }
+}
+
+/* ------------------------ pianoroll widgetbehaviour----------------------------- */
+
+
+static void pianoroll_getrect(t_gobj *z, t_glist *owner,
+ int *xp1, int *yp1, int *xp2, int *yp2)
+{
+ t_pianoroll* x = (t_pianoroll*)z;
+
+ *xp1 = text_xpix(&x->x_obj, owner);
+ *yp1 = text_ypix(&x->x_obj, owner);
+ *xp2 = text_xpix(&x->x_obj, owner)+x->x_width;
+ *yp2 = text_ypix(&x->x_obj, owner)+x->x_height;
+}
+
+static void pianoroll_save(t_gobj *z, t_binbuf *b)
+{
+ t_pianoroll *x = (t_pianoroll *)z;
+ t_int i;
+
+ // post( "saving pianoroll : %s", x->x_name->s_name );
+ binbuf_addv(b, "ssiissiiffiiifi", 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_name, x->x_width, x->x_height,
+ x->x_pmin, x->x_pmax,
+ x->x_nbgrades, x->x_nbsteps,
+ x->x_defvalue, x->x_transpose, x->x_save
+ );
+ if ( x->x_save )
+ {
+ for ( i=0; i<x->x_nbsteps; i++ )
+ {
+ binbuf_addv(b, "ff", x->x_peaches[i], x->x_volumes[i] );
+ }
+ }
+ binbuf_addv(b, ";");
+}
+
+static void pianoroll_properties(t_gobj *z, t_glist *owner)
+{
+ char buf[800];
+ t_pianoroll *x=(t_pianoroll *)z;
+
+ sprintf(buf, "pdtk_pianoroll_dialog %%s %s %d %d %.2f %.2f %d %d %d %d\n",
+ x->x_name->s_name, x->x_width, x->x_height, x->x_pmin, x->x_pmax,
+ x->x_nbgrades, x->x_nbsteps, x->x_defvalue, x->x_save );
+ // post("pianoroll_properties : %s", buf );
+ gfxstub_new(&x->x_obj.ob_pd, x, buf);
+}
+
+static void pianoroll_select(t_gobj *z, t_glist *glist, int selected)
+{
+ t_pianoroll *x = (t_pianoroll *)z;
+
+ x->x_selected = selected;
+ pianoroll_draw_select( x, glist );
+}
+
+static void pianoroll_vis(t_gobj *z, t_glist *glist, int vis)
+{
+ t_pianoroll *x = (t_pianoroll *)z;
+ t_rtext *y;
+
+ // post("pianoroll_vis : %d", vis );
+ if (vis)
+ {
+ pianoroll_draw_new( x, glist );
+ pianoroll_draw_update( x, glist );
+ }
+ else
+ {
+ pianoroll_draw_erase( x, glist );
+ }
+}
+
+static void pianoroll_dialog(t_pianoroll *x, t_symbol *s, int argc, t_atom *argv)
+{
+ int si, onbsteps;
+ t_float *newpeaches, *newvolumes;
+
+ if ( !x ) {
+ post( "pianoroll : error :tried to set properties on an unexisting object" );
+ }
+ if ( ( argv[5].a_w.w_float <= 0 ) || ( argv[5].a_w.w_float <= 0 ) ) {
+ post( "pianoroll : error : wrong number of steps or grades" );
+ return;
+ }
+ if ( ( argv[3].a_w.w_float >= argv[4].a_w.w_float ) ) {
+ post( "pianoroll : error : min pitch is >= to max pitch" );
+ return;
+ }
+ if ( argc != 9 )
+ {
+ post( "pianoroll : error in the number of arguments ( %d )", argc );
+ return;
+ }
+ if ( argv[0].a_type != A_SYMBOL || argv[1].a_type != A_FLOAT ||
+ argv[2].a_type != A_FLOAT || argv[3].a_type != A_FLOAT ||
+ argv[4].a_type != A_FLOAT || argv[5].a_type != A_FLOAT ||
+ argv[6].a_type != A_FLOAT || argv[7].a_type != A_FLOAT ||
+ argv[8].a_type != A_FLOAT
+ ) {
+ post( "pianoroll : wrong arguments" );
+ return;
+ }
+ pianoroll_draw_erase(x, x->x_glist);
+ x->x_name = argv[0].a_w.w_symbol;
+ x->x_width = (int)argv[1].a_w.w_float;
+ x->x_height = (int)argv[2].a_w.w_float;
+ x->x_pmin = argv[3].a_w.w_float;
+ x->x_pmax = argv[4].a_w.w_float;
+ x->x_nbgrades = argv[5].a_w.w_float;
+ onbsteps = x->x_nbsteps;
+ x->x_nbsteps = argv[6].a_w.w_float;
+ x->x_defvalue = argv[7].a_w.w_float;
+ x->x_save = argv[8].a_w.w_float;
+
+ if ( onbsteps != x->x_nbsteps )
+ {
+ int cmindex = ( onbsteps > x->x_nbsteps ) ? x->x_nbsteps : onbsteps;
+
+ newpeaches = ( t_float* ) getbytes( x->x_nbsteps*sizeof(t_float) );
+ newvolumes = ( t_float* ) getbytes( x->x_nbsteps*sizeof(t_float) );
+ for ( si=0; si<cmindex ; si++ )
+ {
+ newpeaches[si] = x->x_peaches[si];
+ newvolumes[si] = x->x_volumes[si];
+ }
+ freebytes( x->x_peaches, onbsteps*sizeof( t_float ) );
+ freebytes( x->x_volumes, onbsteps*sizeof( t_float ) );
+ x->x_peaches = newpeaches;
+ x->x_volumes = newvolumes;
+ for ( si=onbsteps; si<x->x_nbsteps; si++ )
+ {
+ x->x_peaches[si] = x->x_defvalue;
+ x->x_volumes[si] = 1.0;
+ }
+ freebytes( x->x_ipeaches, onbsteps*sizeof( t_int ) );
+ freebytes( x->x_ivolumes, onbsteps*sizeof( t_int ) );
+ x->x_ipeaches = ( t_int* ) getbytes( x->x_nbsteps*sizeof(t_int) );
+ x->x_ivolumes = ( t_int* ) getbytes( x->x_nbsteps*sizeof(t_int) );
+ }
+ pianoroll_draw_new(x, x->x_glist);
+ pianoroll_draw_update(x, x->x_glist);
+}
+
+static void pianoroll_delete(t_gobj *z, t_glist *glist)
+{
+ canvas_deletelinesfor(glist, (t_text *)z);
+}
+
+static void pianoroll_displace(t_gobj *z, t_glist *glist, int dx, int dy)
+{
+ t_pianoroll *x = (t_pianoroll *)z;
+ int xold = text_xpix(&x->x_obj, glist);
+ int yold = text_ypix(&x->x_obj, glist);
+
+ // post( "pianoroll_displace dx=%d dy=%d", dx, dy );
+
+ x->x_obj.te_xpix += dx;
+ x->x_obj.te_ypix += dy;
+ if(xold != x->x_obj.te_xpix || yold != x->x_obj.te_ypix)
+ {
+ pianoroll_draw_move(x, x->x_glist);
+ }
+}
+
+static int pianoroll_click(t_gobj *z, struct _glist *glist,
+ int xpix, int ypix, int shift, int alt, int dbl, int doit)
+{
+ t_pianoroll* x = (t_pianoroll *)z;
+ t_canvas *canvas=glist_getcanvas(glist);
+
+ if ( doit)
+ {
+ // calculate position to update
+ {
+ int si, gi;
+ t_float xgstep = x->x_width/x->x_nbsteps;
+ t_float ygstep = x->x_height/x->x_nbgrades;
+
+ si = ( xpix - text_xpix(&x->x_obj, glist) ) / xgstep;
+ gi = ( ypix - text_ypix(&x->x_obj, glist) ) / ygstep;
+
+ // post( "pianoroll : step : %d : grade : %d", si, gi );
+
+ if ( ( xpix - text_xpix(&x->x_obj, glist) ) > ( si*xgstep+2*xgstep/3 ) )
+ {
+ {
+ SYS_VGUI5(".x%x.c itemconfigure %xVOLUME%.4d%.4d -fill #562663\n", canvas, x, si, x->x_ivolumes[ si ] );
+ }
+
+ x->x_volumes[ si ] = (((float)x->x_nbgrades-1-(float)gi))/(float)(x->x_nbgrades-1);
+ SYS_VGUI5(".x%x.c itemconfigure %xVOLUME%.4d%.4d -fill #FF0000\n", canvas, x, si, gi);
+ x->x_ivolumes[ si ] = gi;
+ }
+ else
+ {
+ {
+ SYS_VGUI5(".x%x.c itemconfigure %xPITCH%.4d%.4d -fill #761623\n", canvas, x, si, x->x_ipeaches[ si ]);
+ }
+
+ x->x_peaches[ si ] = x->x_pmin+(float)(x->x_nbgrades-1-gi)/(float)(x->x_nbgrades-1)*(float)(x->x_pmax-x->x_pmin);
+ SYS_VGUI5(".x%x.c itemconfigure %xPITCH%.4d%.4d -fill #FFFF00\n", canvas, x, si, gi);
+ x->x_ipeaches[ si ] = gi;
+ }
+ }
+
+ }
+ return (1);
+}
+
+static void pianoroll_transpose(t_pianoroll *x, t_floatarg ftranspose)
+{
+ x->x_transpose = ftranspose;
+}
+
+static void pianoroll_save_file(t_pianoroll *x, t_symbol *ffile)
+{
+ FILE *tmph;
+ t_int si;
+
+ if ( ( tmph = fopen( ffile->s_name, "w" ) ) == NULL )
+ {
+ post( "pianoroll : could not open file : %s for writing", ffile->s_name );
+ return;
+ }
+
+ // post( "saving pianoroll : %s", x->x_name->s_name );
+ fprintf(tmph, "%d %d %f %f %d %d %d %f %d ",
+ x->x_width, x->x_height,
+ x->x_pmin, x->x_pmax,
+ x->x_nbgrades, x->x_nbsteps,
+ x->x_defvalue, x->x_transpose, x->x_save );
+ for ( si=0; si<x->x_nbsteps; si++ )
+ {
+ fprintf(tmph, "%f %f ", x->x_peaches[si], x->x_volumes[si] );
+ }
+
+ if ( fclose( tmph ) == -1 )
+ {
+ post( "pianoroll : could not close file : %s ", ffile->s_name );
+ return;
+ }
+}
+
+static void pianoroll_load(t_pianoroll *x, t_symbol *ffile)
+{
+ FILE *tmph;
+ t_int si;
+
+ if ( ( tmph = fopen( ffile->s_name, "r" ) ) == NULL )
+ {
+ post( "pianoroll : could not open file : %s for reading", ffile->s_name );
+ return;
+ }
+
+ pianoroll_draw_erase(x, x->x_glist);
+ freebytes( x->x_peaches, x->x_nbsteps*sizeof( t_float ) );
+ freebytes( x->x_volumes, x->x_nbsteps*sizeof( t_float ) );
+ freebytes( x->x_ipeaches, x->x_nbsteps*sizeof( t_int ) );
+ freebytes( x->x_ivolumes, x->x_nbsteps*sizeof( t_int ) );
+
+ if ( fscanf(tmph, "%d %d %f %f %d %d %d %f %d",
+ &x->x_width, &x->x_height,
+ &x->x_pmin, &x->x_pmax,
+ &x->x_nbgrades, &x->x_nbsteps,
+ &x->x_defvalue, &x->x_transpose, &x->x_save ) != 9 )
+ {
+ post( "pianoroll : could not restore data from file : %s", ffile->s_name );
+ return;
+ }
+
+ x->x_peaches = ( t_float* ) getbytes( x->x_nbsteps*sizeof(t_float) );
+ x->x_volumes = ( t_float* ) getbytes( x->x_nbsteps*sizeof(t_float) );
+ x->x_ipeaches = ( t_int* ) getbytes( x->x_nbsteps*sizeof(t_int) );
+ x->x_ivolumes = ( t_int* ) getbytes( x->x_nbsteps*sizeof(t_int) );
+ for ( si=0; si<x->x_nbsteps ; si++ )
+ {
+ fscanf( tmph, "%f", &x->x_peaches[si] );
+ fscanf( tmph, "%f", &x->x_volumes[si] );
+ }
+
+ pianoroll_draw_new(x, x->x_glist);
+ pianoroll_draw_update(x, x->x_glist);
+
+ if ( fclose( tmph ) == -1 )
+ {
+ post( "pianoroll : could not close file : %s ", ffile->s_name );
+ return;
+ }
+}
+
+static void pianoroll_init(t_pianoroll *x)
+{
+ t_int si;
+
+ for ( si=0; si<x->x_nbsteps; si++ )
+ {
+ x->x_peaches[si] = x->x_defvalue;
+ x->x_volumes[si] = 1.0;
+ }
+ pianoroll_draw_erase(x, x->x_glist );
+ pianoroll_draw_new(x, x->x_glist );
+ pianoroll_draw_update(x, x->x_glist );
+}
+
+static void pianoroll_pitch(t_pianoroll *x, t_floatarg fpos, t_floatarg fpitch)
+{
+ t_canvas *canvas=glist_getcanvas(x->x_glist);
+ t_int ipos;
+
+ if ( ( ( (t_int) fpos ) < 0 ) || ( ( (t_int) fpos ) >= x->x_nbsteps ) )
+ {
+ post( "pianoroll : wrong pitch position : %d", fpos );
+ return;
+ }
+ ipos = (t_int) fpos;
+ if ( ( ( (t_int) fpitch ) < x->x_pmin ) || ( ( (t_int) fpitch ) > x->x_pmax ) )
+ {
+ post( "pianoroll : wrong pitch value : %d", fpitch );
+ return;
+ }
+
+ {
+ SYS_VGUI5(".x%x.c itemconfigure %xPITCH%.4d%.4d -fill #761623\n", canvas, x, ipos, x->x_ipeaches[ ipos ]);
+
+ x->x_ipeaches[ ipos ] = (t_int) ( ( ( x->x_pmax - fpitch ) / ( x->x_pmax - x->x_pmin ) ) * ( x->x_nbgrades - 1 ) );
+ x->x_peaches[ ipos ] = x->x_pmin+(float)(x->x_nbgrades-1-x->x_ipeaches[ ipos ])/(float)(x->x_nbgrades-1)*(float)(x->x_pmax-x->x_pmin);
+ SYS_VGUI5(".x%x.c itemconfigure %xPITCH%.4d%.4d -fill #FFFF00\n", canvas, x, ipos, x->x_ipeaches[ ipos ]);
+ }
+}
+
+static void pianoroll_volume(t_pianoroll *x, t_floatarg fpos, t_floatarg fvol)
+{
+ t_canvas *canvas=glist_getcanvas(x->x_glist);
+ t_int ipos;
+
+ if ( ( ( (t_int) fpos ) < 0 ) || ( ( (t_int) fpos ) >= x->x_nbsteps ) )
+ {
+ post( "pianoroll : wrong volume position : %d", fpos );
+ return;
+ }
+ ipos = (t_int) fpos;
+ if ( ( ( (t_int) fvol ) < 0.0 ) || ( ( (t_int) fvol ) > 1.0 ) )
+ {
+ post( "pianoroll : wrong volume value : %d", fvol );
+ return;
+ }
+
+ {
+ SYS_VGUI5(".x%x.c itemconfigure %xVOLUME%.4d%.4d -fill #562663\n", canvas, x, ipos, x->x_ivolumes[ ipos ] );
+
+ x->x_ivolumes[ ipos ] = (t_int) ( ( 1 - fvol ) * (x->x_nbgrades-1) );
+ x->x_volumes[ ipos ] = (((float)x->x_nbgrades-1-(float)x->x_ivolumes[ ipos ]))/(float)(x->x_nbgrades-1);
+ SYS_VGUI5(".x%x.c itemconfigure %xVOLUME%.4d%.4d -fill #FF0000\n", canvas, x, ipos, x->x_ivolumes[ ipos ] );
+ }
+}
+
+static void pianoroll_float(t_pianoroll *x, t_floatarg fposition)
+{
+ t_int pposition, rposition, rrposition;
+ t_float fpart;
+ t_int pi;
+ t_canvas *canvas;
+
+ pposition = ( (int)fposition - 1 ) % x->x_nbsteps;
+ if ( pposition < 0 ) pposition += x->x_nbsteps;
+ rposition = ( (int)fposition ) % x->x_nbsteps;
+ if ( rposition < 0 ) rposition += x->x_nbsteps;
+ rrposition = ( (int)fposition +1 ) % x->x_nbsteps;
+ if ( rrposition < 0 ) rrposition += x->x_nbsteps;
+
+ // post ( "pposition=%d rposition=%d rrposition=%d", pposition, rposition, rrposition );
+ fpart = fposition - (int)fposition;
+ pi=-1;
+ canvas=glist_getcanvas(x->x_glist);
+
+ outlet_float( x->x_pitch, x->x_peaches[ rposition ] +
+ fpart*(x->x_peaches[ rrposition ] - x->x_peaches[ rposition ] ) +
+ x->x_transpose );
+ outlet_float( x->x_volume, x->x_volumes[ rposition ] +
+ fpart*(x->x_volumes[ rrposition ] - x->x_volumes[ rposition ] ) );
+
+ // graphical update
+ {
+ if ( x->x_scurrent != -1 )
+ {
+ SYS_VGUI5(".x%x.c itemconfigure %xPITCH%.4d%.4d -fill #FFFF00\n", canvas, x,
+ x->x_scurrent, x->x_ipeaches[ x->x_scurrent ]);
+ }
+ x->x_scurrent = rposition;
+ SYS_VGUI5(".x%x.c itemconfigure %xPITCH%.4d%.4d -fill #00FF00\n", canvas, x,
+ x->x_scurrent, x->x_ipeaches[ x->x_scurrent ]);
+ }
+}
+
+static t_pianoroll *pianoroll_new(t_symbol *s, int argc, t_atom *argv)
+{
+ int si, i, zz;
+ t_pianoroll *x;
+ t_pd *x2;
+ char *str;
+
+ // post( "pianoroll_new : create : %s argc =%d", s->s_name, argc );
+
+ x = (t_pianoroll *)pd_new(pianoroll_class);
+ // new pianoroll created from the gui
+ if ( argc != 0 )
+ {
+ if ( argc < 10 )
+ {
+ post( "pianoroll : error in the number of arguments ( %d )", argc );
+ return NULL;
+ }
+ if ( ( argv[5].a_w.w_float <= 0 ) || ( argv[5].a_w.w_float <= 0 ) ) {
+ post( "pianoroll : error : wrong number of steps or grades" );
+ return NULL;
+ }
+ if ( ( argv[3].a_w.w_float >= argv[4].a_w.w_float ) ) {
+ post( "pianoroll : error : min pitch is > to max pitch" );
+ return NULL;
+ }
+ if ( argv[0].a_type != A_SYMBOL || argv[1].a_type != A_FLOAT ||
+ argv[2].a_type != A_FLOAT || argv[3].a_type != A_FLOAT ||
+ argv[4].a_type != A_FLOAT || argv[5].a_type != A_FLOAT ||
+ argv[6].a_type != A_FLOAT || argv[7].a_type != A_FLOAT ||
+ argv[8].a_type != A_FLOAT || argv[9].a_type != A_FLOAT ) {
+ post( "pianoroll : wrong arguments" );
+ return NULL;
+ }
+
+ // update pianoroll count
+ if (!strncmp((str = argv[0].a_w.w_symbol->s_name), "pianoroll", 9)
+ && (zz = atoi(str + 9)) > pianorollcount)
+ {
+ // post( "pianoroll : already %d objects", pianorollcount );
+ pianorollcount = zz;
+ }
+ x->x_name = argv[0].a_w.w_symbol;
+ pd_bind(&x->x_obj.ob_pd, x->x_name);
+ x->x_width = argv[1].a_w.w_float;
+ x->x_height = argv[2].a_w.w_float;
+ x->x_pmin = argv[3].a_w.w_float;
+ x->x_pmax = argv[4].a_w.w_float;
+ x->x_nbgrades = argv[5].a_w.w_float;
+ x->x_nbsteps = argv[6].a_w.w_float;
+ x->x_peaches = (t_float*) getbytes( x->x_nbsteps*sizeof(t_float) );
+ x->x_ipeaches = (t_int*) getbytes( x->x_nbsteps*sizeof(t_int) );
+ x->x_volumes = (t_float*) getbytes( x->x_nbsteps*sizeof(t_float) );
+ x->x_ivolumes = (t_int*) getbytes( x->x_nbsteps*sizeof(t_int) );
+ x->x_defvalue = argv[7].a_w.w_float;
+ x->x_transpose = argv[8].a_w.w_float;
+ x->x_save = argv[9].a_w.w_float;
+ }
+ else
+ {
+ char buf[40];
+
+ sprintf(buf, "pianoroll%d", ++pianorollcount);
+ s = gensym(buf);
+
+ x->x_name = s;
+ pd_bind(&x->x_obj.ob_pd, x->x_name);
+
+ x->x_width = DEFAULT_SEQUENCER_WIDTH;
+ x->x_height = DEFAULT_SEQUENCER_HEIGHT;
+ x->x_pmin = DEFAULT_SEQUENCER_PITCH_MIN;
+ x->x_pmax = DEFAULT_SEQUENCER_PITCH_MAX;
+ x->x_nbgrades = DEFAULT_SEQUENCER_NBGRADES;
+ x->x_nbsteps = DEFAULT_SEQUENCER_STEPS;
+ x->x_peaches = (t_float*) getbytes( x->x_nbsteps*sizeof(t_float) );
+ x->x_ipeaches = (t_int*) getbytes( x->x_nbsteps*sizeof(t_int) );
+ x->x_volumes = (t_float*) getbytes( x->x_nbsteps*sizeof(t_float) );
+ x->x_ivolumes = (t_int*) getbytes( x->x_nbsteps*sizeof(t_int) );
+ x->x_defvalue = 0;
+ x->x_transpose = 0;
+ x->x_save = 1;
+
+ }
+
+ // common fields for new and restored pianorolls
+ x->x_selected = 0;
+ x->x_scurrent = -1;
+ x->x_glist = (t_glist *) canvas_getcurrent();
+ x->x_pitch = outlet_new(&x->x_obj, &s_float );
+ x->x_volume = outlet_new(&x->x_obj, &s_float );
+ // post( "pianoroll : argc : %d", argc );
+ if ( ( argc != 0 ) && ( x->x_save ) )
+ {
+ int ai = 10;
+ int si = 0;
+
+ while ( ai < argc )
+ {
+ x->x_peaches[si] = argv[ai++].a_w.w_float;
+ if ( ai >= argc ) break;
+ x->x_volumes[si++] = argv[ai++].a_w.w_float;
+ }
+ }
+ else // following arguments are the values of pitch, volumes
+ {
+ for ( si=0; si<x->x_nbsteps; si++ )
+ {
+ x->x_peaches[si] = x->x_defvalue;
+ x->x_volumes[si] = 1.0;
+ }
+ }
+
+ // post( "pianoroll_new name : %s width: %d height : %d", x->x_name->s_name, x->x_width, x->x_height );
+
+ return (x);
+}
+
+static void pianoroll_free(t_pianoroll *x)
+{
+ // post( "pianoroll~: pianoroll_free" );
+ if ( x->x_peaches )
+ {
+ freebytes( x->x_peaches, x->x_nbsteps*sizeof(t_float) );
+ }
+ if ( x->x_ipeaches )
+ {
+ freebytes( x->x_ipeaches, x->x_nbsteps*sizeof(t_int) );
+ }
+ if ( x->x_volumes )
+ {
+ freebytes( x->x_volumes, x->x_nbsteps*sizeof(t_float) );
+ }
+ if ( x->x_ivolumes )
+ {
+ freebytes( x->x_ivolumes, x->x_nbsteps*sizeof(t_int) );
+ }
+}
+
+void pianoroll_setup(void)
+{
+ post( pianoroll_version );
+ pianoroll_class = class_new(gensym("pianoroll"), (t_newmethod)pianoroll_new,
+ (t_method)pianoroll_free, sizeof(t_pianoroll), 0, A_GIMME, 0);
+ class_addmethod(pianoroll_class, (t_method)pianoroll_float, &s_float, A_FLOAT, 0);
+ class_addmethod(pianoroll_class, (t_method)pianoroll_transpose, gensym("transpose"),
+ A_FLOAT, 0);
+ class_addmethod(pianoroll_class, (t_method)pianoroll_init, gensym("init"), 0);
+ class_addmethod(pianoroll_class, (t_method)pianoroll_dialog, gensym("dialog"), A_GIMME, 0);
+ class_addmethod(pianoroll_class, (t_method)pianoroll_save_file, gensym("save"), A_SYMBOL, 0);
+ class_addmethod(pianoroll_class, (t_method)pianoroll_load, gensym("load"), A_SYMBOL, 0);
+ class_addmethod(pianoroll_class, (t_method)pianoroll_pitch, gensym("pitch"), A_FLOAT, A_FLOAT, 0);
+ class_addmethod(pianoroll_class, (t_method)pianoroll_volume, gensym("volume"), A_FLOAT, A_FLOAT, 0);
+
+
+ pianoroll_widgetbehavior.w_getrectfn = pianoroll_getrect;
+ pianoroll_widgetbehavior.w_displacefn = pianoroll_displace;
+ pianoroll_widgetbehavior.w_selectfn = pianoroll_select;
+ pianoroll_widgetbehavior.w_activatefn = NULL;
+ pianoroll_widgetbehavior.w_deletefn = pianoroll_delete;
+ pianoroll_widgetbehavior.w_visfn = pianoroll_vis;
+ pianoroll_widgetbehavior.w_clickfn = pianoroll_click;
+
+#if PD_MINOR_VERSION >= 37
+ class_setpropertiesfn(pianoroll_class, pianoroll_properties);
+ class_setsavefn(pianoroll_class, pianoroll_save);
+#else
+ pianoroll_widgetbehavior.w_propertiesfn = pianoroll_properties;
+ pianoroll_widgetbehavior.w_savefn = pianoroll_save;
+#endif
+
+ class_setwidget(pianoroll_class, &pianoroll_widgetbehavior);
+
+ sys_vgui("eval [read [open %s/%s.tcl]]\n",
+ pianoroll_class->c_externdir->s_name,
+ pianoroll_class->c_name->s_name);
+}