Initial release of Maemo 5 port of gnuplot

[gnuplot] / term / driver.h

diff --git a/term/driver.h b/term/driver.h
new file mode 100644 (file)
index 0000000..827a1a5
--- /dev/null
+++ b/term/driver.h
@@ -0,0 +1,91 @@
+/* $Id: driver.h,v 1.21 2004/08/21 20:57:54 sfeam Exp $ */
+
+/* GNUPLOT - driver.h */
+
+/*[
+ * Copyright 1986 - 1993, 1998, 2004   Thomas Williams, Colin Kelley
+ *
+ * Permission to use, copy, and distribute this software and its
+ * documentation for any purpose with or without fee is hereby granted,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.
+ *
+ * Permission to modify the software is granted, but not the right to
+ * distribute the complete modified source code.  Modifications are to
+ * be distributed as patches to the released version.  Permission to
+ * distribute binaries produced by compiling modified sources is granted,
+ * provided you
+ *   1. distribute the corresponding source modifications from the
+ *    released version in the form of a patch file along with the binaries,
+ *   2. add special version identification to distinguish your version
+ *    in addition to the base release version number,
+ *   3. provide your name and address as the primary contact for the
+ *    support of your modified version, and
+ *   4. retain our contact information in regard to use of the base
+ *    software.
+ * Permission to distribute the released version of the source code along
+ * with corresponding source modifications in the form of a patch file is
+ * granted with same provisions 2 through 4 for binary distributions.
+ *
+ * This software is provided "as is" without express or implied warranty
+ * to the extent permitted by applicable law.
+]*/
+
+
+#ifndef TERM_DRIVER_H
+#define TERM_DRIVER_H
+
+#include "syscfg.h"
+
+#include <stdio.h>
+
+#if 0
+/* Dangerous; putc may already be defined as fputc */
+/* corey@cac added the next line for efficiency */
+#define fputc putc
+#endif
+
+/* functions provided by term.c */
+
+static void do_point __PROTO((unsigned int x, unsigned int y, int number));
+static void line_and_point __PROTO((unsigned int x, unsigned int y, int number));
+static int null_text_angle __PROTO((int ang));
+static int null_justify_text __PROTO((enum JUSTIFY just));
+static int null_scale __PROTO((double x, double y));
+/* static int do_scale __PROTO((double x, double y)); */ /* unused */
+static void options_null __PROTO((void));
+static void UNKNOWN_null __PROTO((void));
+/* static int set_font_null __PROTO((const char *s));     */ /* unused */
+#define set_font_null NULL
+/* static void null_set_pointsize __PROTO((double size)); */ /* unused */
+
+extern FILE *gpoutfile;
+extern struct termentry *term;
+
+/* for use by all drivers */
+#ifndef NEXT
+#define sign(x) ((x) >= 0 ? 1 : -1)
+#else
+/* it seems that sign as macro causes some conflict with precompiled headers */
+static int sign(int x)
+{
+    return x >= 0 ? 1 : -1;
+}
+#endif /* NEXT */
+
+/* abs as macro is now uppercase, there are conflicts with a few C compilers
+   that have abs as macro, even though ANSI defines abs as function
+   (int abs(int)). Most calls to ABS in term/ could be changed to abs if
+   they use only int arguments and others to fabs, but for the time being,
+   all calls are done via the macro */
+#ifndef ABS
+# define ABS(x) ((x) >= 0 ? (x) : -(x))
+#endif /* ABS */
+
+/*  GPMIN/GPMAX are already defined in "plot.h"  */
+
+#define NICE_LINE              0
+#define POINT_TYPES            6
+
+#endif /* TERM_DRIVER_H */