chirptest/chirpgraph.h

   1 /********************************************************************
   2  *                                                                  *
   3  * THIS FILE IS PART OF THE OggGhost SOFTWARE CODEC SOURCE CODE.    *
   4  * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *
   5  * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
   6  * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
   7  *                                                                  *
   8  * THE OggGhost SOURCE CODE IS (C) COPYRIGHT 2007-2011              *
   9  * by the Xiph.Org Foundation http://www.xiph.org/                  *
  10  *                                                                  *
  11  ********************************************************************
  12
  13  function: research-grade chirp extraction code
  14  last mod: $Id$
  15
  16  ********************************************************************/
  17
  18 #include <cairo/cairo.h>
  19 #define DT_iterations 0
  20 #define DT_abserror 1
  21 #define DT_percent 2
  22 extern int toppad;
  23 extern int leftpad;
  24
  25 extern void set_error_color(cairo_t *c, float err,float a);
  26 extern void set_iter_color(cairo_t *cC, int ret, float a);
  27 extern void to_png(cairo_t *c,char *base, char *name);
  28 extern void destroy_page(cairo_t *c);
  29 extern cairo_t *draw_page(char *title,
  30                           char *subtitle1,
  31                           char *subtitle2,
  32                           char *subtitle3,
  33                           char *xaxis_label,
  34                           char *yaxis_label,
  35                           char *legend_label,
  36                           int datatype,
  37                           int xdcp);
  38 extern void setup_graphs(int start_x_step,
  39                          int end_x_step, /* inclusive; not one past */
  40                          int x_major_d,
  41                          float x_major_f,
  42
  43                          int start_y_step,
  44                          int end_y_step, /* inclusive; not one past */
  45                          int y_major_d,
  46                          float y_major_f,
  47
  48                          int subtitles,
  49                          float fs);