spectrum/plot.h

   1 /*
   2  *
   3  *  gtk2 spectrum analyzer
   4  *
   5  *      Copyright (C) 2004 Monty
   6  *
   7  *  This analyzer is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2, or (at your option)
  10  *  any later version.
  11  *
  12  *  The analyzer is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with Postfish; see the file COPYING.  If not, write to the
  19  *  Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  20  *
  21  *
  22  */
  23
  24 #ifndef __PLOT_H__
  25 #define __PLOT_H__
  26
  27 #include <glib.h>
  28 #include <glib-object.h>
  29 #include <gtk/gtkcontainer.h>
  30 #include <gtk/gtksignal.h>
  31 #include <gtk/gtkdrawingarea.h>
  32
  33 G_BEGIN_DECLS
  34
  35 #define PLOT_TYPE            (plot_get_type ())
  36 #define PLOT(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), PLOT_TYPE, Plot))
  37 #define PLOT_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), PLOT_TYPE, PlotClass))
  38 #define IS_PLOT(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PLOT_TYPE))
  39 #define IS_PLOT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PLOT_TYPE))
  40
  41 typedef struct _Plot       Plot;
  42 typedef struct _PlotClass  PlotClass;
  43
  44 struct _Plot{
  45
  46   GtkDrawingArea canvas;
  47   GdkPixmap *backing;
  48   GdkGC     *drawgc;
  49   GdkGC     *dashes;
  50
  51   PangoLayout **lin_layout;
  52   PangoLayout **log_layout;
  53   PangoLayout **iso_layout;
  54   PangoLayout **db_layout;
  55   PangoLayout **imp_layout;
  56   PangoLayout **phase_layout;
  57
  58   int configured;
  59   float **ydata;
  60   float *floor;
  61
  62   int groups;
  63   int *ch;
  64   int *ch_active;
  65   int *ch_process;
  66   int total_ch;
  67   int datasize;
  68   int mode;
  69   int link;
  70   int scale;
  71   int res;
  72   int noise;
  73   int *rate;
  74
  75   int xgrid[11];
  76   int xgrids;
  77   int xtic[200];
  78   int xtics;
  79
  80   int ygrid[11];
  81   int ygrids;
  82   int ytic[200];
  83   int ytics;
  84
  85   float depth;
  86   float ymax;
  87   float pmax;
  88   float pmin;
  89
  90   float disp_depth;
  91   float disp_ymax;
  92   float disp_pmax;
  93   float disp_pmin;
  94
  95   float padx;
  96   float phax;
  97   float pady;
  98
  99   int ymaxtimer;
 100   int phtimer;
 101 };
 102
 103 struct _PlotClass{
 104
 105   GtkDrawingAreaClass parent_class;
 106   void (* plot) (Plot *m);
 107 };
 108
 109 GType          plot_get_type        (void);
 110 GtkWidget*     plot_new             (int n, int inputs, int *channels, int *rate);
 111 void           plot_refresh         (Plot *m, int *process);
 112 void           plot_setting         (Plot *m, int res, int scale, int mode, int link, int depth, int noise);
 113 void           plot_draw            (Plot *m);
 114 void           plot_clear           (Plot *m);
 115 int            plot_width           (Plot *m);
 116 float**        plot_get             (Plot *m);
 117 void           plot_set_active      (Plot *m, int *, int *);
 118
 119 GdkColor chcolor(int ch);
 120
 121 G_END_DECLS
 122
 123 #endif
 124
 125
 126
 127