From d145fa6f792d6c44da2feec90507adb94e40323e Mon Sep 17 00:00:00 2001 From: Hans-Christoph Steiner Date: Sun, 31 Jul 2011 03:59:16 +0000 Subject: got everything building using the template Makefile svn path=/trunk/externals/unauthorized/; revision=15173 --- scratcher~.c | 820 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 820 insertions(+) create mode 100644 scratcher~.c (limited to 'scratcher~.c') diff --git a/scratcher~.c b/scratcher~.c new file mode 100644 index 0000000..8fec927 --- /dev/null +++ b/scratcher~.c @@ -0,0 +1,820 @@ +/*------------------------ scratcher~ ------------------------------------------ */ +/* */ +/* scratcher~ : lets you record, and then, scratch a sound. */ +/* constructor : scratcher~ */ +/* */ +/* 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. */ +/* */ +/* "I've lost my kids and wife" */ +/* "Because I got high da da dap da da dap" */ +/* Afro Man -- Because I Got High */ +/* ---------------------------------------------------------------------------- */ + + + +#include +#include +#include +#include +#include +#include +#include +#ifdef __APPLE__ +#include +#else +#include +#endif +#include +#include +#include +#include +#include + +#ifdef _WIN32 +#define M_PI 3.14159265358979323846 +#else +#include +#endif + +#include "m_pd.h" +#include "m_imp.h" +#include "g_canvas.h" + + +static int guidebug=0; +static int ignorevisible=1; // ignore visible test + // because this seems to lead to bad refresh + // wait for a fix + +#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_VGUI6(a,b,c,d,e,f) if (guidebug) \ + post(a,b,c,d,e,f);\ + sys_vgui(a,b,c,d,e,f) + +#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_VGUI8(a,b,c,d,e,f,g,h) if (guidebug) \ + post(a,b,c,d,e,f,g,h);\ + sys_vgui(a,b,c,d,e,f,g,h) + +#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) + +#define SYS_VGUI10(a,b,c,d,e,f,g,h,i,j) if (guidebug) \ + post(a,b,c,d,e,f,g,h,i,j );\ + sys_vgui(a,b,c,d,e,f,g,h,i,j) + +#define SYS_VGUI11(a,b,c,d,e,f,g,h,i,j,k) if (guidebug) \ + post(a,b,c,d,e,f,g,h,i,j,k );\ + sys_vgui(a,b,c,d,e,f,g,h,i,j,k) + +#define DEFAULT_SCRATCHER_SIZE 88200 // 2 seconds at 44100 hertz +#define DEFAULT_SCRATCHER_WIDTH 200 +#define DEFAULT_SCRATCHER_HEIGHT 200 +#define DEFAULT_SCRATCHER_SENSIBILITY 25 +#define DEFAULT_SCRATCHER_MAX_SPEED 2.0 +#define DEFAULT_TURNTABLE_INERTIA 0.01 + +#define SCRATCHER_NB_GROOVES 20 +#define SCRATCHER_MOVE_TIMEOUT 20 + +static char *scratcher_version = "scratcher~: version 0.10, written by Yves Degoyon (ydegoyon@free.fr)"; + +static t_class *scratcher_class; +t_widgetbehavior scratcher_widgetbehavior; + +typedef struct _scratcher +{ + t_object x_obj; + + t_int x_size; /* size of the recorded sound ( in samples ) */ + t_float x_samplerate; /* sample rate */ + t_int x_blocksize; /* current block size ( might be modified by block~ object ) */ + t_float x_readpos; /* data's playing position */ + t_int x_writepos; /* data's recording position */ + t_int x_play; /* playing on/off flag */ + t_float x_readspeed; /* number of grouped blocks for reading */ + t_float x_maxspeed; /* maximum speed limit */ + t_float x_record; /* flag to start recording process */ + t_int x_empty; /* flag to indicate it's a brand new scratcher */ + t_float x_speedinc; /* speed increment */ + long long x_lastmovetime; /* instant ( in ms ) of the last movement */ + t_float *x_sdata; /* sound data */ + t_int x_sensibility; /* sensibility ( amount of change for a dy ) */ + t_int x_motioned; /* flag to indicate the mouse motion */ + t_int x_mousemoved; /* flag to indicate the mouse movement */ + t_float x_inertia; /* turntable inertia */ + + /* graphical data block */ + t_int x_selected; /* flag to remember if we are seleted or not */ + t_int x_width; /* width of the graphical object */ + t_int x_height; /* height of the graphical object */ + t_int x_showspeed; /* toggle on/off speed line */ + t_glist *x_glist; /* keep graphic context for various operations */ + + t_float x_f; /* float needed for signal input */ + +} t_scratcher; + +/* ------------------------ drawing functions ---------------------------- */ + +static void scratcher_draw_new(t_scratcher *x, t_glist *glist) +{ + t_canvas *canvas=glist_getcanvas(glist); + t_int ci; + + SYS_VGUI7(".x%x.c create oval %d %d %d %d -fill #000000 -tags %xSCRATCHER\n", + canvas, 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); + for ( ci=0; cix_obj, glist) + ci*x->x_width/(2*SCRATCHER_NB_GROOVES), + text_ypix(&x->x_obj, glist) + ci*x->x_height/(2*SCRATCHER_NB_GROOVES), + text_xpix(&x->x_obj, glist) + x->x_width - ci*x->x_width/(2*SCRATCHER_NB_GROOVES), + text_ypix(&x->x_obj, glist) + x->x_height - ci*x->x_height/(2*SCRATCHER_NB_GROOVES), + x, ci); + } + if ( x->x_showspeed ) + { + SYS_VGUI7( ".x%x.c create line %d %d %d %d -fill #FF0000 -tags %xSPEEDBAR -width 3\n", + canvas, text_xpix(&x->x_obj, glist)+x->x_width/2, + text_ypix(&x->x_obj, glist)+x->x_height/2, + text_xpix(&x->x_obj, glist)+x->x_width/2 + (int)(x->x_width/2*cos( x->x_readspeed - 1. )), + text_ypix(&x->x_obj, glist)+x->x_height/2 - (int)(x->x_width/2*sin( x->x_readspeed - 1. )), + x ); + } + SYS_VGUI7(".x%x.c create rectangle %d %d %d %d -tags %xFSCRATCHER\n", + canvas, 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); + canvas_fixlinesfor( canvas, (t_text*)x ); +} + +static void scratcher_draw_delete(t_scratcher *x, t_glist *glist) +{ + t_int ci; + t_canvas *canvas=glist_getcanvas(glist); + + if ( glist_isvisible( glist ) ) + { + SYS_VGUI3( ".x%x.c delete %xSCRATCHER\n", canvas, x ); + SYS_VGUI3( ".x%x.c delete %xFSCRATCHER\n", canvas, x ); + SYS_VGUI3( ".x%x.c delete %xSPEEDBAR\n", canvas, x ); + for ( ci=0; cix_glist ) ) + { + SYS_VGUI7(".x%x.c coords %xSCRATCHER %d %d %d %d\n", + canvas, x, + text_xpix(&x->x_obj, glist)-1, text_ypix(&x->x_obj, glist)-1, + text_xpix(&x->x_obj, glist)+x->x_width+1, + text_ypix(&x->x_obj, glist)+x->x_height+1); + SYS_VGUI7(".x%x.c coords %xFSCRATCHER %d %d %d %d\n", + canvas, x, + text_xpix(&x->x_obj, glist)-1, text_ypix(&x->x_obj, glist)-1, + text_xpix(&x->x_obj, glist)+x->x_width+1, + text_ypix(&x->x_obj, glist)+x->x_height+1); + if ( x->x_showspeed ) + { + SYS_VGUI7( ".x%x.c coords %xSPEEDBAR %d %d %d %d\n", + canvas, x, + text_xpix(&x->x_obj, glist)+x->x_width/2, + text_ypix(&x->x_obj, glist)+x->x_height/2, + text_xpix(&x->x_obj, glist)+x->x_width/2 + (int)(x->x_width/2*cos( x->x_readspeed - 1 )), + text_ypix(&x->x_obj, glist)+x->x_height/2 - (int)(x->x_width/2*sin( x->x_readspeed - 1 )) + ); + } + for ( ci=0; cix_obj, glist) + ci*x->x_width/(2*SCRATCHER_NB_GROOVES), + text_ypix(&x->x_obj, glist) + ci*x->x_height/(2*SCRATCHER_NB_GROOVES), + text_xpix(&x->x_obj, glist) + x->x_width - ci*x->x_width/(2*SCRATCHER_NB_GROOVES), + text_ypix(&x->x_obj, glist) + x->x_height - ci*x->x_height/(2*SCRATCHER_NB_GROOVES) + ); + } + canvas_fixlinesfor( canvas, (t_text*)x ); + } +} + +static void scratcher_draw_select(t_scratcher* x,t_glist* glist) +{ + t_canvas *canvas=glist_getcanvas(glist); + + if ( glist_isvisible( x->x_glist ) ) + { + if(x->x_selected) + { + } + else + { + } + } +} + +/* ------------------------ widget callbacks ----------------------------- */ + + +static void scratcher_getrect(t_gobj *z, t_glist *owner, + int *xp1, int *yp1, int *xp2, int *yp2) +{ + t_scratcher* x = (t_scratcher*)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 scratcher_save(t_gobj *z, t_binbuf *b) +{ + t_scratcher *x = (t_scratcher *)z; + + binbuf_addv(b, "ssiisiiiiff", 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_size, x->x_width, x->x_height, + x->x_sensibility, x->x_maxspeed, x->x_inertia ); + binbuf_addv(b, ";"); +} + +static void scratcher_select(t_gobj *z, t_glist *glist, int selected) +{ + t_scratcher *x = (t_scratcher *)z; + + x->x_selected = selected; + scratcher_draw_select( x, glist ); +} + +static void scratcher_vis(t_gobj *z, t_glist *glist, int vis) +{ + t_scratcher *x = (t_scratcher *)z; + t_rtext *y; + + if (vis) + { + scratcher_draw_new( x, glist ); + } + else + { + scratcher_draw_delete( x, glist ); + } +} + +static void scratcher_delete(t_gobj *z, t_glist *glist) +{ + canvas_deletelinesfor(glist, (t_text *)z); +} + +static void scratcher_displace(t_gobj *z, t_glist *glist, int dx, int dy) +{ + t_scratcher *x = (t_scratcher *)z; + + x->x_obj.te_xpix += dx; + x->x_obj.te_ypix += dy; + + scratcher_draw_move( x, glist ); +} + +static void scratcher_motion(t_scratcher *x, t_floatarg dx, t_floatarg dy) +{ + struct timeval tv; + struct timezone tz; + t_canvas *canvas=glist_getcanvas(x->x_glist); + + // post( "scratcher_motion dx=%f dy=%f", dx, dy ); + + x->x_speedinc += dy / x->x_sensibility; + + x->x_mousemoved = 1; + // get current time in ms + gettimeofday( &tv, &tz ); + x->x_lastmovetime = tv.tv_sec*1000 + tv.tv_usec/1000; + // post( "scratcher~ : move time : %ld", x->x_lastmovetime ); + + if ( x->x_showspeed ) + { + SYS_VGUI7( ".x%x.c coords %xSPEEDBAR %d %d %d %d\n", + canvas, x, + text_xpix(&x->x_obj, x->x_glist)+x->x_width/2, + text_ypix(&x->x_obj, x->x_glist)+x->x_height/2, + text_xpix(&x->x_obj, x->x_glist)+x->x_width/2 + (int)(x->x_width/2*cos( x->x_readspeed - 1 )), + text_ypix(&x->x_obj, x->x_glist)+x->x_height/2 - (int)(x->x_width/2*sin( x->x_readspeed - 1 )) + ); + } +} + +static void scratcher_properties(t_gobj *z, t_glist *owner) +{ + char buf[800]; + t_scratcher *x=(t_scratcher *)z; + + sprintf(buf, "pdtk_scratcher_dialog %%s %d %d\n", + x->x_width, x->x_height ); + // post("scratcher_properties : %s", buf ); + gfxstub_new(&x->x_obj.ob_pd, x, buf); +} + +static void scratcher_dialog(t_scratcher *x, t_symbol *s, int argc, t_atom *argv) +{ + if ( !x ) { + post( "scratcher : error :tried to set properties on an unexisting object" ); + } + if ( argc != 2 ) + { + post( "scratcher : error in the number of arguments ( %d instead of 2 )", argc ); + return; + } + if ( argv[0].a_type != A_FLOAT || argv[1].a_type != A_FLOAT ) { + post( "scratcher : wrong arguments" ); + return; + } + x->x_width = (int)argv[0].a_w.w_float; + x->x_height = (int)argv[1].a_w.w_float; + scratcher_draw_delete(x, x->x_glist); + scratcher_draw_new(x, x->x_glist); +} + + /* reset reading speed */ +static void scratcher_reset(t_scratcher *x) +{ + t_canvas *canvas=glist_getcanvas(x->x_glist); + + x->x_readspeed=1.; + if ( x->x_showspeed ) + { + SYS_VGUI7( ".x%x.c coords %xSPEEDBAR %d %d %d %d\n", + canvas, x, + text_xpix(&x->x_obj, x->x_glist)+x->x_width/2, + text_ypix(&x->x_obj, x->x_glist)+x->x_height/2, + text_xpix(&x->x_obj, x->x_glist)+x->x_width/2 + (int)(x->x_width/2*cos( x->x_readspeed - 1 )), + text_ypix(&x->x_obj, x->x_glist)+x->x_height/2 - (int)(x->x_width/2*sin( x->x_readspeed - 1 )) + ); + } +} + +static int scratcher_click(t_gobj *z, struct _glist *glist, + int xpix, int ypix, int shift, int alt, int dbl, int doit) +{ + t_scratcher* x = (t_scratcher *)z; + t_canvas *canvas=glist_getcanvas(x->x_glist); + + // post( "scratcher_click : x=%d y=%d doit=%d alt=%d, shift=%d", xpix, ypix, doit, alt, shift ); + if ( doit ) + { + // activate motion callback + glist_grab( glist, &x->x_obj.te_g, (t_glistmotionfn)scratcher_motion, + 0, xpix, ypix ); + x->x_readspeed=0.; + x->x_motioned = 1; + if ( x->x_showspeed ) + { + SYS_VGUI7( ".x%x.c coords %xSPEEDBAR %d %d %d %d\n", + canvas, x, + text_xpix(&x->x_obj, glist)+x->x_width/2, + text_ypix(&x->x_obj, glist)+x->x_height/2, + text_xpix(&x->x_obj, glist)+x->x_width/2 + (int)(x->x_width/2*cos( x->x_readspeed - 1 )), + text_ypix(&x->x_obj, glist)+x->x_height/2 - (int)(x->x_width/2*sin( x->x_readspeed - 1 )) + ); + } + } + else + { + if ( x->x_play ) scratcher_reset(x); + x->x_motioned = 0; + } + return (1); +} + + /* clean up */ +static void scratcher_free(t_scratcher *x) +{ + if ( x->x_sdata != NULL ) { + freebytes(x->x_sdata, x->x_size*sizeof(t_float) ); + post( "scratcher~ : freed %d bytes", x->x_size*sizeof(t_float) ); + x->x_sdata = NULL; + } +} + + /* allocate tables for storing sample data */ +static t_int scratcher_allocate(t_scratcher *x) +{ + if ( !(x->x_sdata = getbytes( x->x_size*sizeof(float) ) ) ) { + post( "scratcher~ : could not allocate %d bytes", x->x_size*sizeof(t_float) ); + return -1; + } else { + post( "scratcher~ : allocated %d bytes", x->x_size*sizeof(t_float) ); + } + return 0; +} + + /* reallocate tables for storing sample data */ +static t_int scratcher_reallocate(t_scratcher *x, t_int ioldsize, t_int inewsize) +{ + t_float *pdata; + + pdata = x->x_sdata; + if ( !(x->x_sdata = getbytes( inewsize*sizeof(float) ) ) ) { + post( "scratcher~ : could not allocate %d bytes", inewsize*sizeof(t_float) ); + return -1; + } else { + post( "scratcher~ : allocated %d bytes", inewsize*sizeof(t_float) ); + } + if ( pdata != NULL ) { + freebytes(pdata, ioldsize*sizeof(t_float) ); + post( "scratcher~ : freed %d bytes", ioldsize*sizeof(t_float) ); + } + return 0; +} + + /* records or playback the scratcher */ +static t_int *scratcher_perform(t_int *w) +{ + t_float *in = (t_float *)(w[1]); + t_float *out = (t_float *)(w[2]); + t_int n = (int)(w[3]); /* number of samples */ + t_scratcher *x = (t_scratcher *)(w[4]); + struct timeval tv; + struct timezone tz; + long long perftime = 0L; + t_canvas *canvas=glist_getcanvas(x->x_glist); + + x->x_readspeed += x->x_speedinc; + if ( x->x_readspeed > x->x_maxspeed ) + { + x->x_readspeed = x->x_maxspeed; + } + if ( x->x_readspeed < -x->x_maxspeed ) + { + x->x_readspeed = -x->x_maxspeed; + } + x->x_speedinc = 0; + + // if the mouse hasn't moved for a certain time, reset speed + + if ( x->x_mousemoved ) + { + // get current time in ms + gettimeofday( &tv, &tz ); + perftime = tv.tv_sec*1000 + tv.tv_usec/1000; + if ( perftime - x->x_lastmovetime > SCRATCHER_MOVE_TIMEOUT ) + { + // post( "scratcher~ : mouse timeout (m=%ld)", perftime ); + // post( "scratcher~ : (m=%ld)", x->x_lastmovetime ); + if ( x->x_readspeed > 0. ) + { + x->x_readspeed -= x->x_inertia; + // post( "scratcher~ : dec speed" ); + } + if ( x->x_readspeed < 0. ) + { + x->x_readspeed += x->x_inertia; + // post( "scratcher~ : inc speed" ); + } + if ( ( x->x_readspeed <= x->x_inertia && x->x_readspeed > 0 ) || + ( x->x_readspeed >= -x->x_inertia && x->x_readspeed < 0 ) ) + { + x->x_mousemoved = 0; + x->x_readspeed = 0.; + } + if ( x->x_showspeed ) + { + SYS_VGUI7( ".x%x.c coords %xSPEEDBAR %d %d %d %d\n", + canvas, x, + text_xpix(&x->x_obj, x->x_glist)+x->x_width/2, + text_ypix(&x->x_obj, x->x_glist)+x->x_height/2, + text_xpix(&x->x_obj, x->x_glist)+x->x_width/2 + (int)(x->x_width/2*cos( x->x_readspeed - 1 )), + text_ypix(&x->x_obj, x->x_glist)+x->x_height/2 - (int)(x->x_width/2*sin( x->x_readspeed - 1 )) + ); + } + } + } + + while (n--) { + // eventually records input + if ( x->x_record) { + *(x->x_sdata+x->x_writepos)=*in; + x->x_writepos++; + if ( x->x_writepos >= x->x_size ) { + x->x_record=0; + x->x_writepos=0; + if ( x->x_empty ) x->x_empty = 0; + // post( "scratcher~ : stopped recording" ); + } + } + // set outputs + if ( x->x_play) { + *out = *(x->x_sdata+(int)x->x_readpos); + x->x_readpos+=x->x_readspeed; + if ( x->x_readpos < 0 ) x->x_readpos = x->x_size-1; + if ( x->x_readpos >= x->x_size ) x->x_readpos = 0; + } else { + *out=0.0; + } + + in++;out++; + } + + return (w+5); +} + +static void scratcher_dsp(t_scratcher *x, t_signal **sp) +{ + dsp_add(scratcher_perform, 4, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n, x); +} + + /* play the sound */ +static void scratcher_play(t_scratcher *x) +{ + t_canvas *canvas=glist_getcanvas(x->x_glist); + + x->x_play=1; + // reset read position + x->x_readpos=0; + x->x_readspeed=1.; + if ( x->x_showspeed ) + { + SYS_VGUI3( ".x%x.c delete %xSPEEDBAR\n", canvas, x ); + SYS_VGUI7( ".x%x.c create line %d %d %d %d -fill #FF0000 -tags %xSPEEDBAR -width 3\n", + canvas, text_xpix(&x->x_obj, x->x_glist)+x->x_width/2, + text_ypix(&x->x_obj, x->x_glist)+x->x_height/2, + text_xpix(&x->x_obj, x->x_glist)+x->x_width/2 + (int)(x->x_width/2*cos( x->x_readspeed - 1. )), + text_ypix(&x->x_obj, x->x_glist)+x->x_height/2 - (int)(x->x_width/2*sin( x->x_readspeed - 1. )), + x ); + } +} + + /* stop playing */ +static void scratcher_stop(t_scratcher *x) +{ + t_canvas *canvas=glist_getcanvas(x->x_glist); + + x->x_play=0; + // reset read position + x->x_readpos=0; + x->x_readspeed=0.; + if ( x->x_showspeed ) + { + SYS_VGUI3( ".x%x.c delete %xSPEEDBAR\n", canvas, x ); + SYS_VGUI7( ".x%x.c create line %d %d %d %d -fill #FF0000 -tags %xSPEEDBAR -width 3\n", + canvas, text_xpix(&x->x_obj, x->x_glist)+x->x_width/2, + text_ypix(&x->x_obj, x->x_glist)+x->x_height/2, + text_xpix(&x->x_obj, x->x_glist)+x->x_width/2 + (int)(x->x_width/2*cos( x->x_readspeed - 1. )), + text_ypix(&x->x_obj, x->x_glist)+x->x_height/2 - (int)(x->x_width/2*sin( x->x_readspeed - 1. )), + x ); + } +} + + /* record the sound */ +static void scratcher_record(t_scratcher *x) +{ + scratcher_stop(x); + x->x_record=1; + x->x_writepos=0; +} + + /* resize sound */ +static void scratcher_resize(t_scratcher *x, t_floatarg fnewsize ) +{ + t_int dspstate; + struct timespec ts; + + if (fnewsize <= 0) { + post( "scratcher~ : error : wrong size" ); + return; + } + post( "scratcher~ : reallocating tables" ); + x->x_record = 0; + x->x_play = 0; + + scratcher_reallocate(x, x->x_size, fnewsize); + x->x_size = fnewsize; +} + + /* set sensibility */ +static void scratcher_sensibility(t_scratcher *x, t_floatarg fsensibility ) +{ + if (fsensibility <= 0) { + post( "scratcher~ : error : wrong sensibility" ); + return; + } + x->x_sensibility = fsensibility; +} + + /* set maximum speed */ +static void scratcher_maxspeed(t_scratcher *x, t_floatarg fmaxspeed ) +{ + if (fmaxspeed < 0) { + post( "scratcher~ : error : wrong maximum speed" ); + return; + } + x->x_maxspeed = fmaxspeed; +} + + /* set turntable inertia */ +static void scratcher_inertia(t_scratcher *x, t_floatarg finertia ) +{ + if (finertia < 0) { + post( "scratcher~ : error : wrong inertia" ); + return; + } + x->x_inertia = finertia; +} + + /* toggle speed line */ +static void scratcher_showspeed(t_scratcher *x, t_floatarg fshowspeed ) +{ + t_canvas *canvas=glist_getcanvas(x->x_glist); + + if (fshowspeed == 0) { + x->x_showspeed = 0; + SYS_VGUI3( ".x%x.c delete %xSPEEDBAR\n", canvas, x ); + } + else + { + x->x_showspeed = 1; + SYS_VGUI3( ".x%x.c delete %xSPEEDBAR\n", canvas, x ); + SYS_VGUI7( ".x%x.c create line %d %d %d %d -fill #FF0000 -tags %xSPEEDBAR -width 3\n", + canvas, text_xpix(&x->x_obj, x->x_glist)+x->x_width/2, + text_ypix(&x->x_obj, x->x_glist)+x->x_height/2, + text_xpix(&x->x_obj, x->x_glist)+x->x_width/2 + (int)(x->x_width/2*cos( x->x_readspeed - 1. )), + text_ypix(&x->x_obj, x->x_glist)+x->x_height/2 - (int)(x->x_width/2*sin( x->x_readspeed - 1. )), + x ); + } +} + +static void *scratcher_new(t_symbol *s, int argc, t_atom *argv) +{ + t_scratcher *x = (t_scratcher *)pd_new(scratcher_class); + outlet_new(&x->x_obj, &s_signal); + + // new scratcher created from the gui + if ( argc != 0 ) + { + if ( argc < 3 ) + { + post( "scratcher~ : error in the number of arguments ( < 3 )", argc ); + return NULL; + } + if ( argv[0].a_type != A_FLOAT || + argv[1].a_type != A_FLOAT || + argv[2].a_type != A_FLOAT ) { + post( "scratcher~ : wrong arguments" ); + return NULL; + } + x->x_size = argv[0].a_w.w_float; + x->x_width = argv[1].a_w.w_float; + x->x_height = argv[2].a_w.w_float; + if ( argc >= 4 ) + { + x->x_sensibility = argv[3].a_w.w_float; + } + else + { + x->x_sensibility = DEFAULT_SCRATCHER_SENSIBILITY; + } + if ( argc >= 5 ) + { + x->x_maxspeed = argv[4].a_w.w_float; + } + else + { + x->x_maxspeed = DEFAULT_SCRATCHER_MAX_SPEED; + } + if ( argc >= 6 ) + { + x->x_inertia = argv[5].a_w.w_float; + } + else + { + x->x_inertia = DEFAULT_TURNTABLE_INERTIA; + } + } + else + { + x->x_size = DEFAULT_SCRATCHER_SIZE; + x->x_width = DEFAULT_SCRATCHER_WIDTH; + x->x_height = DEFAULT_SCRATCHER_HEIGHT; + x->x_sensibility = DEFAULT_SCRATCHER_SENSIBILITY; + x->x_maxspeed = DEFAULT_SCRATCHER_MAX_SPEED; + x->x_inertia = DEFAULT_TURNTABLE_INERTIA; + } + + x->x_play = 0; + x->x_record = 0; + x->x_readspeed = 1.; + x->x_readpos = 0.; + x->x_speedinc = 0.; + x->x_writepos = 0; + x->x_sdata = NULL; + x->x_empty = 1; + x->x_showspeed = 1; + x->x_mousemoved = 0; + x->x_lastmovetime = 0L; + x->x_selected = 0; + x->x_glist = (t_glist*)canvas_getcurrent(); + + // activate graphical callbacks + class_setwidget(scratcher_class, &scratcher_widgetbehavior); + + // post( "scratcher~ : new scratcher : size = %d", x->x_size ); + if ( scratcher_allocate(x) <0 ) { + return NULL; + } else { + return(x); + } + +} + +void scratcher_tilde_setup(void) +{ + post(scratcher_version); + scratcher_class = class_new(gensym("scratcher~"), (t_newmethod)scratcher_new, (t_method)scratcher_free, + sizeof(t_scratcher), 0, A_GIMME, 0); + + + // set callbacks + scratcher_widgetbehavior.w_getrectfn = scratcher_getrect; + scratcher_widgetbehavior.w_displacefn = scratcher_displace; + scratcher_widgetbehavior.w_selectfn = scratcher_select; + scratcher_widgetbehavior.w_activatefn = NULL; + scratcher_widgetbehavior.w_deletefn = scratcher_delete; + scratcher_widgetbehavior.w_visfn = scratcher_vis; + scratcher_widgetbehavior.w_clickfn = scratcher_click; + +#if PD_MINOR_VERSION >= 37 + class_setpropertiesfn(scratcher_class, scratcher_properties); + class_setsavefn(scratcher_class, scratcher_save); +#else + scratcher_widgetbehavior.w_propertiesfn = scratcher_properties; + scratcher_widgetbehavior.w_savefn = scratcher_save; +#endif + + CLASS_MAINSIGNALIN( scratcher_class, t_scratcher, x_f ); + class_addmethod(scratcher_class, (t_method)scratcher_dsp, gensym("dsp"), A_NULL); + class_addmethod(scratcher_class, (t_method)scratcher_record, gensym("record"), A_NULL); + class_addmethod(scratcher_class, (t_method)scratcher_resize, gensym("resize"), A_FLOAT, A_NULL); + class_addmethod(scratcher_class, (t_method)scratcher_sensibility, gensym("sensibility"), A_FLOAT, A_NULL); + class_addmethod(scratcher_class, (t_method)scratcher_maxspeed, gensym("maxspeed"), A_FLOAT, A_NULL); + class_addmethod(scratcher_class, (t_method)scratcher_inertia, gensym("inertia"), A_FLOAT, A_NULL); + class_addmethod(scratcher_class, (t_method)scratcher_showspeed, gensym("showspeed"), A_FLOAT, A_NULL); + class_addmethod(scratcher_class, (t_method)scratcher_play, gensym("play"), A_NULL); + class_addmethod(scratcher_class, (t_method)scratcher_stop, gensym("stop"), A_NULL); + class_addmethod(scratcher_class, (t_method)scratcher_reset, gensym("reset"), A_NULL); + class_addmethod(scratcher_class, (t_method)scratcher_dialog, gensym("dialog"), A_GIMME, A_NULL); + + sys_vgui("eval [read [open %s/%s.tcl]]\n", + scratcher_class->c_externdir->s_name, + scratcher_class->c_name->s_name); +} -- cgit v1.2.1