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-rw-r--r--hacks/glx/texfont.h84
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diff --git a/hacks/glx/texfont.h b/hacks/glx/texfont.h
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-/* texfonts, Copyright (c) 2005-2021 Jamie Zawinski <jwz@jwz.org>
- * Loads X11 fonts into textures 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.
- */
-
-#ifndef __TEXTURE_FONT_H__
-#define __TEXTURE_FONT_H__
-
-
-#include "xft.h"
-
-
-typedef struct texture_font_data texture_font_data;
-
-/* Loads the font named by the X resource "res" and returns
- a texture-font object.
-*/
-extern texture_font_data *load_texture_font (Display *, char *res);
-
-/* Bounding box of the multi-line string, in pixels,
- and overall ascent/descent of the font.
- */
-extern void texture_string_metrics (texture_font_data *, const char *,
- XCharStruct *metrics_ret,
- int *ascent_ret, int *descent_ret);
-
-/* Draws the string in the scene at the origin.
- Newlines and tab stops are honored.
- Any numbers inside [] will be rendered as a subscript.
- Assumes the font has been loaded as with load_texture_font().
- */
-extern void print_texture_string (texture_font_data *, const char *);
-
-/* Draws the string on the window at the given pixel position.
- Newlines and tab stops are honored.
- Any numbers inside [] will be rendered as a subscript.
- Assumes the font has been loaded as with load_texture_font().
-
- Position is 0 for center, 1 for top left, 2 for bottom left.
- */
-void print_texture_label (Display *, texture_font_data *,
- int window_width, int window_height,
- int position, const char *string);
-
-/* Renders the given string into the prevailing texture.
- Returns the metrics of the text, and size of the texture.
- */
-void string_to_texture (texture_font_data *, const char *,
- XCharStruct *extents_ret,
- int *tex_width_ret, int *tex_height_ret);
-
-/* Set the various OpenGL parameters for properly rendering things
- with a texture generated by string_to_texture().
- */
-void enable_texture_string_parameters (texture_font_data *);
-
-
-/* True if the string appears to be a "missing" character. Since there is
- no way to tell whether a font contains a character or has substituted a
- "missing" glyph for it, we examine the bits to see if it is either
- solid black, or is a simple rectangle, which is what most fonts use.
- */
-Bool blank_character_p (texture_font_data *, const char *);
-
-
-/* Releases the texture font.
- */
-extern void free_texture_font (texture_font_data *);
-
-
-#ifdef HAVE_JWXYZ
-extern char *texfont_unicode_character_name (texture_font_data *,
- unsigned long uc);
-#endif
-
-
-#endif /* __TEXTURE_FONT_H__ */