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Diffstat (limited to 'console/dynafont.h')
-rw-r--r-- | console/dynafont.h | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/console/dynafont.h b/console/dynafont.h deleted file mode 100644 index 8eb8d3dc..00000000 --- a/console/dynafont.h +++ /dev/null @@ -1,74 +0,0 @@ -/* dynafont.h - Interfaces for the dynamic font handling. - Copyright (C) 2002 Free Software Foundation, Inc. - Written by Marcus Brinkmann. - - This file is part of the GNU Hurd. - - The GNU Hurd is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 2, or (at - your option) any later version. - - The GNU Hurd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. */ - -#include <wchar.h> - -#include "bdf.h" - - -/* The dynafont interface does not do locking on its own, for maximum - efficiency it relies on locking by the caller (because usually the - caller has some other data structures to lock along with the - dynafont. However, it is safe to call two functions on different - dynafonts asynchronously. */ -typedef struct dynafont *dynafont_t; - -/* Some glyphs are always available at a fixed location. This - includes the representation for the unknown glyph and the blank. - Conveniently, the blank is located at its position in ASCII. */ -#define FONT_INDEX_UNKNOWN 0 -#define FONT_INDEX_SPACE 32 - -/* Create a new dynafont object, which uses glyphs from the font FONT - (which must be 8 pixels wide and up to 32 pixels heigh). SIZE is - either 256 or 512, and specifies the number of available glyphs in - the font cache. The object is returned in DYNAFONT. The caller - must ensure the integrity of FONT until the object is destroyed or - the font is changed with dynafont_change_font. */ -error_t dynafont_new (bdf_font_t font, int size, dynafont_t *dynafont); - -/* Release a dynafont object and its associated resources. */ -void dynafont_free (dynafont_t df); - -/* Look up the vga font index for an UCS-4 character. If not already - mapped, try to find space for a new entry and add the mapping. - Acquires an additional reference to the character. Might return - the glyph for the unrepresentable character if the glyph is ot - available for this character or no free slot is available right - now. In the former case, some information gets lost (to do - otherwise, one would have to either assign one of the scarce font - indices to each undisplayable character value on screen, or to - store the whole scrollback buffer as wide chars as well to recover - the lost info from that copy of the original text. */ -int dynafont_lookup (dynafont_t df, wchar_t wide_chr); - -/* Release a reference to the glyph VGA_FONT_INDEX in dynafont DF. */ -void dynafont_release (dynafont_t df, int vga_font_index); - -/* Load the VGA font to the card and make it active. */ -void dynafont_activate (dynafont_t df); - -/* Change the font used by dynafont DF to FONT. This transformation - is initially loss-less, if the new font can't display some - characters on the screen, you can always go back to a font that - does and get the glyphs for those characters back. (However, the - comments in dynafont_lookup hold for glyphs looked up after the font - change.) */ -void dynafont_change_font (dynafont_t df, bdf_font_t font); |