sushivision/plot.h

   1 /*
   2  *
   3  *  sushivision copyright (C) 2005-2007 Monty <monty@xiph.org>
   4  *
   5  *  sushivision is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2, or (at your option)
   8  *  any later version.
   9  *
  10  *  sushivision is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with sushivision; see the file COPYING.  If not, write to the
  17  *  Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  18  *
  19  *
  20  */
  21
  22 #include <glib.h>
  23 #include <glib-object.h>
  24 #include <gtk/gtk.h>
  25 #include <gdk/gdk.h>
  26 #include <sys/types.h>
  27 #include <sys/time.h>
  28
  29 G_BEGIN_DECLS
  30
  31 #define PLOT_TYPE            (_sv_plot_get_type ())
  32 #define PLOT(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), PLOT_TYPE, _sv_plot_t))
  33 #define PLOT_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), PLOT_TYPE, _sv_plot_class_t))
  34 #define IS_PLOT(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PLOT_TYPE))
  35 #define IS_PLOT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PLOT_TYPE))
  36
  37 typedef struct _sv_plot       _sv_plot_t;
  38 typedef struct _sv_plot_class _sv_plot_class_t;
  39
  40 struct _sv_plot{
  41   GtkWidget w;
  42   cairo_t         *wc;
  43   cairo_surface_t *back;
  44   cairo_surface_t *fore;
  45   cairo_surface_t *stage;
  46   int widgetfocus;
  47   int bg_inv;
  48   int grid_mode;
  49   int resizable;
  50
  51   int scalespacing;
  52   _sv_scalespace_t x;
  53   _sv_scalespace_t x_v;
  54   _sv_scalespace_t y;
  55   _sv_scalespace_t y_v;
  56   char *namex;
  57   char *namey;
  58
  59   double selx;
  60   double sely;
  61   int cross_active;
  62   int legend_active;
  63
  64   double box_x1;
  65   double box_y1;
  66   double box_x2;
  67   double box_y2;
  68   int box_active;
  69   void *box_data;
  70   void (*box_callback)(void *,int);
  71   int button_down;
  72
  73   u_int32_t *datarect;
  74   void *app_data;
  75   void (*recompute_callback)(void *);
  76   void *cross_data;
  77   void (*crosshairs_callback)(void *);
  78
  79   int legend_entries;
  80   u_int32_t *legend_colors;
  81   char **legend_list;
  82
  83   unsigned flags;
  84 };
  85
  86 struct _sv_plot_class{
  87   GtkWidgetClass parent_class;
  88   void (*plot) (_sv_plot_t *m);
  89 };
  90
  91 GType       _sv_plot_get_type        (void);
  92 _sv_plot_t *_sv_plot_new (void (*callback)(void *),void *app_data,
  93                           void (*cross_callback)(void *),void *cross_data,
  94                           void (*box_callback)(void *,int),void *box_data,
  95                           unsigned flags);
  96
  97 G_END_DECLS
  98
  99 // the widget subclass half
 100 int  _sv_plot_print(_sv_plot_t *p, cairo_t *c, double page_h, void (*datarender)(void *data,cairo_t *c), void *data);
 101 void _sv_plot_set_bg_invert(_sv_plot_t *p, int setp);
 102 void _sv_plot_expose_request(_sv_plot_t *p);
 103 void _sv_plot_expose_request_partial(_sv_plot_t *p,int x, int y, int w, int h);
 104 void _sv_plot_set_x_scale(_sv_plot_t *p, _sv_scalespace_t x);
 105 void _sv_plot_set_y_scale(_sv_plot_t *p, _sv_scalespace_t y);
 106 void _sv_plot_set_x_name(_sv_plot_t *p, char *name);
 107 void _sv_plot_set_y_name(_sv_plot_t *p, char *name);
 108 u_int32_t * _sv_plot_get_background_line(_sv_plot_t *p, int num);
 109 cairo_t *_sv_plot_get_background_cairo(_sv_plot_t *p);
 110 void _sv_plot_set_crosshairs(_sv_plot_t *p, double x, double y);
 111 void _sv_plot_set_crosshairs_snap(_sv_plot_t *p, double x, double y);
 112 void _sv_plot_snap_crosshairs(_sv_plot_t *p);
 113 void _sv_plot_draw_scales(_sv_plot_t *p);
 114 void _sv_plot_unset_box(_sv_plot_t *p);
 115 void _sv_plot_box_vals(_sv_plot_t *p, double ret[4]);
 116 void _sv_plot_box_set(_sv_plot_t *p, double vals[4]);
 117 void _sv_plot_legend_add(_sv_plot_t *p, char *entry);
 118 void _sv_plot_legend_add_with_color(_sv_plot_t *p, char *entry, u_int32_t color);
 119 void _sv_plot_legend_clear(_sv_plot_t *p);
 120 int  _sv_plot_get_crosshair_xpixel(_sv_plot_t *p);
 121 int  _sv_plot_get_crosshair_ypixel(_sv_plot_t *p);
 122 void _sv_plot_set_grid(_sv_plot_t *p, int mode);
 123
 124 void _sv_plot_do_enter(_sv_plot_t *p);
 125 void _sv_plot_set_crossactive(_sv_plot_t *p, int active);
 126 void _sv_plot_toggle_legend(_sv_plot_t *p);
 127 void _sv_plot_set_legendactive(_sv_plot_t *p, int active);
 128
 129 void _sv_plot_resizable(_sv_plot_t *p, int rp);
 130
 131 #define _SV_PLOT_NO_X_CROSS 1
 132 #define _SV_PLOT_NO_Y_CROSS 2
 133
 134 #define _SV_PLOT_GRID_NONE   0
 135 #define _SV_PLOT_GRID_NORMAL 4
 136 #define _SV_PLOT_GRID_TICS   8
 137 #define _SV_PLOT_GRID_LIGHT  (256+4)
 138 #define _SV_PLOT_GRID_DARK   (512+4)
 139
 140 #define _SV_PLOT_GRID_MODEMASK  0x00fc
 141 #define _SV_PLOT_GRID_COLORMASK 0x0f00
 142
 143 #define _SV_PLOT_TEXT_DARK 0
 144 #define _SV_PLOT_TEXT_LIGHT 1
 145
 146 #define _SV_PLOT_LEGEND_NONE 0
 147 #define _SV_PLOT_LEGEND_SHADOW 1
 148 #define _SV_PLOT_LEGEND_BOX 2