src/display_zoom.h

   1 /* -*- Mode: C; indent-tabs-mode: nil; c-basic-offset: 4 c-style: "K&R" -*- */
   2
   3 /*----------------------------------------------------------------------
   4
   5 gpiv - Graphic program for Particle Image Velocimetry, based on gtk/gnome
   6   libraries.
   7
   8 Copyright (C) 2002, 2003, 2004 Gerber van der Graaf
   9
  10 This file is part of gpiv.
  11
  12 Gpiv is free software; you can redistribute it and/or modify
  13 it under the terms of the GNU General Public License as published by
  14 the Free Software Foundation; either version 2, or (at your option)
  15 any later version.
  16
  17 This program is distributed in the hope that it will be useful,
  18 but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 GNU General Public License for more details.
  21
  22 You should have received a copy of the GNU General Public License
  23 along with this program; if not, write to the Free Software Foundation,
  24 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  25
  26 ----------------------------------------------------------------------*/
  27
  28 #ifndef DISPLAY_ZOOM_H
  29 #define DISPLAY_ZOOM_H
  30
  31 gboolean
  32 canvas_display_button_scroll (GtkWidget *widget,
  33                               GdkEventScroll *event,
  34                               gpointer data
  35                               );
  36 void
  37 check__zoom_factor (gfloat *factor
  38                     );
  39
  40 void
  41 set__hrulerscale (Display *disp
  42                   );
  43 void
  44 set__vrulerscale (Display *disp
  45                   );
  46
  47 void
  48 stretch_window (Display *disp
  49                 );
  50
  51 void
  52 zoom_display (Display *disp,
  53               gint zoom_index
  54               );
  55
  56 #endif /* DISPLAY_ZOOM_H */