http://ftp.ksu.edu.tw/FTP/FreeBSD/distfiles/xscreensaver-4.20.tar.gz

[xscreensaver] / hacks / glx / glxfonts.h

diff --git a/hacks/glx/glxfonts.h b/hacks/glx/glxfonts.h
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+/* glxfonts, Copyright (c) 2001-2004 Jamie Zawinski <jwz@jwz.org>
+ * Loads X11 fonts for use with OpenGL.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation.  No representations are made about the suitability of this
+ * software for any purpose.  It is provided "as is" without express or 
+ * implied warranty.
+ *
+ * Compute normal vectors for arbitrary triangles.
+ */
+
+#ifndef __GLXFONTS_H__
+#define __GLXFONTS_H__
+
+/* Loads the font named by the X resource "res".
+   Returns an XFontStruct.
+   Also converts the font to a set of GL lists and returns the first list.
+*/
+extern void load_font (Display *, char *resource,
+                       XFontStruct **font_ret,
+                       GLuint *dlist_ret);
+
+/* Width of the string in pixels. */
+extern int string_width (XFontStruct *f, const char *c);
+
+/* Draws the string on the window at the given pixel position.
+   Newlines and tab stops are honored.
+   Any text inside [] will be rendered as a subscript.
+   Assumes the font has been loaded as with load_font(). */
+void print_gl_string (Display *dpy,
+                      XFontStruct *font,
+                      GLuint font_dlist,
+                      int window_width, int window_height,
+                      GLfloat x, GLfloat y,
+                      const char *string);
+
+#endif /* __GLXFONTS_H__ */