From 6c7fa97a9625b99c38e67796d70795f48a1c24f2 Mon Sep 17 00:00:00 2001
From: Jeff Moe <moe@spacecruft.org>
Date: Sat, 6 Aug 2022 11:18:46 -0600
Subject: [PATCH] Feature: resize window width/height option

---
 skymap.c | 24 +++++++++++++++++++-----
 1 file changed, 19 insertions(+), 5 deletions(-)

diff --git a/skymap.c b/skymap.c
index 8618be2..373ffd8 100644
--- a/skymap.c
+++ b/skymap.c
@@ -42,7 +42,7 @@ struct map
   int level, grid, site_id, plotstars, plotapex;
   int leoflag, iodflag, iodpoint, visflag, planar, pssatno, psnr, xyzflag,
     pflag, graves;
-  float psrmin, psrmax, rvis;
+  float psrmin, psrmax, rvis, width, height;
 } m;
 struct sat
 {
@@ -146,6 +146,8 @@ usage ()
   printf ("-D, --decl    Decl. [+dd:mm:ss.ss]\n");
   printf ("-A, --azimuth    Azimuth (deg)\n");
   printf ("-E, --elevation    Elevation (deg)\n");
+  printf ("-w, --width    Screen width\n");
+  printf ("-g, --height    Screen height\n");
   printf ("-S, --all-night    All night\n");
   printf ("-Q, --no-stars    No stars\n");
   printf
@@ -255,6 +257,8 @@ init_skymap (void)
   m.graves = 0;
   m.plotstars = 1;
   m.plotapex = 1;
+  m.width=800;
+  m.height=600;
 
   // Default settings
   strcpy (m.observer, "Unknown");
@@ -692,6 +696,8 @@ main (int argc, char *argv[])
 	{"azimuth", required_argument, 0, 'A'},
 	{"elevation", required_argument, 0, 'E'},
 	{"site", required_argument, 0, 's'},
+	{"width", required_argument, 0, 'w'},
+	{"height", required_argument, 0, 'g'},
 	{"length", required_argument, 0, 'l'},
 	{"planar-id", required_argument, 0, 'P'},
 	{"planar-alt", required_argument, 0, 'r'},
@@ -709,7 +715,7 @@ main (int argc, char *argv[])
       };
       int option_index = 0;
 
-      c = getopt_long (argc, argv, "t:c:i:R:D:A:E:s:l:P:r:V:p:L:B:H:d:SQah",
+      c = getopt_long (argc, argv, "t:c:i:R:D:A:E:s:w:g:l:P:r:V:p:L:B:H:d:SQah",
 		       long_options, &option_index);
 
       if (c == -1)
@@ -828,6 +834,14 @@ main (int argc, char *argv[])
 	  m.level = 3;
 	  break;
 
+	case 'w':
+	  m.width = atof (optarg);
+	  break;
+
+	case 'g':
+	  m.height = atof (optarg);
+	  break;
+
 	case 'Q':
 	  m.plotstars = 0;
 	  break;
@@ -867,7 +881,7 @@ main (int argc, char *argv[])
       strcpy (m.observer, "Manual observer");
     }
 
-  init_plot ("/xs", 0, 0.75);
+  init_plot ("/xs", m.width, m.height);
 
   plot_skymap ();
 
@@ -1123,12 +1137,12 @@ plot_visibility (float h)
 
 // Initialize plot
 void
-init_plot (char *psfile, float width, float aspect)
+init_plot (char *psfile, float width, float height)
 {
   int i;
 
   // Initialize plot
-  giza_open_device_size_float ("/xs", "skymap", 1920, 1020, 3);
+  giza_open_device_size_float ("/xs", "skymap", width, height, 3);
   cpgslw (1);
 
   skymap_plot_renew ();