| 1 | /* xscreensaver, Copyright (c) 1993-2000 by Jamie Zawinski <jwz@jwz.org> |
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| 2 | * |
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| 3 | * Permission to use, copy, modify, distribute, and sell this software and its |
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| 4 | * documentation for any purpose is hereby granted without fee, provided that |
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| 5 | * the above copyright notice appear in all copies and that both that |
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| 6 | * copyright notice and this permission notice appear in supporting |
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| 7 | * documentation. No representations are made about the suitability of this |
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| 8 | * software for any purpose. It is provided "as is" without express or |
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| 9 | * implied warranty. |
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| 10 | */ |
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| 11 | |
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| 12 | #ifndef __VISUAL_H__ |
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| 13 | #define __VISUAL_H__ |
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| 14 | |
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| 15 | extern Visual *get_visual (Screen *, const char *name, Bool, Bool); |
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| 16 | extern Visual *get_visual_resource (Screen *, char *, char *, Bool); |
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| 17 | extern int visual_depth (Screen *, Visual *); |
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| 18 | /* extern int visual_pixmap_depth (Screen *, Visual *); */ |
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| 19 | extern int visual_class (Screen *, Visual *); |
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| 20 | extern int visual_cells (Screen *, Visual *); |
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| 21 | extern int screen_number (Screen *); |
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| 22 | extern Visual *find_similar_visual (Screen *, Visual *old); |
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| 23 | extern void describe_visual (FILE *f, Screen *, Visual *, Bool private_cmap_p); |
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| 24 | extern Visual *get_overlay_visual (Screen *, unsigned long *pixel_return); |
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| 25 | extern Bool has_writable_cells (Screen *screen, Visual *visual); |
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| 26 | extern Visual *id_to_visual (Screen *screen, int id); |
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| 27 | |
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| 28 | extern Visual *get_gl_visual (Screen *); |
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| 29 | extern void describe_gl_visual (FILE *, Screen *, Visual *, Bool priv_cmap_p); |
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| 30 | extern Bool validate_gl_visual (FILE *, Screen *, const char *, Visual *); |
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| 31 | |
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| 32 | #endif /* __VISUAL_H__ */ |
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