117 lines
4.6 KiB
C
117 lines
4.6 KiB
C
/* $XTermId: fontutils.h,v 1.76 2009/09/09 23:31:55 tom Exp $ */
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/************************************************************
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Copyright 1998-2008,2009 by Thomas E. Dickey
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All Rights Reserved
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY
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CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name(s) of the above copyright
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holders shall not be used in advertising or otherwise to promote the
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sale, use or other dealings in this Software without prior written
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authorization.
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********************************************************/
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#ifndef included_fontutils_h
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#define included_fontutils_h 1
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#include <xterm.h>
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extern Bool xtermLoadDefaultFonts (XtermWidget /* xw */);
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extern Bool xtermOpenFont (XtermWidget /* xw */, const char */* name */, XTermFonts * /* result */, fontWarningTypes /* warn */, Bool /* force */);
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extern XTermFonts * xtermCloseFont (XtermWidget /* xw */, XTermFonts * /* fnt */);
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extern const VTFontNames * xtermFontName (char */* normal */);
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extern int lookupRelativeFontSize (XtermWidget /* xw */, int /* old */, int /* relative */);
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extern int xtermGetFont(const char * /* param */);
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extern int xtermLoadFont (XtermWidget /* xw */, const VTFontNames */* fonts */, Bool /* doresize */, int /* fontnum */);
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extern void HandleSetFont PROTO_XT_ACTIONS_ARGS;
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extern void SetVTFont (XtermWidget /* xw */, int /* i */, Bool /* doresize */, const VTFontNames */* fonts */);
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extern void xtermCloseFonts (XtermWidget /* xw */, XTermFonts * /* fnts[fMAX] */);
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extern void xtermComputeFontInfo (XtermWidget /* xw */, VTwin */* win */, XFontStruct */* font */, int /* sbwidth */);
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extern void xtermCopyFontInfo (XTermFonts * /* target */, XTermFonts * /* source */);
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extern void xtermFreeFontInfo (XTermFonts * /* target */);
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extern void xtermSaveFontInfo (TScreen * /* screen */, XFontStruct */* font */);
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extern void xtermSetCursorBox (TScreen * /* screen */);
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extern void xtermUpdateFontInfo (XtermWidget /* xw */, Bool /* doresize */);
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#if OPT_DEC_CHRSET
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extern char *xtermSpecialFont (TScreen */* screen */, unsigned /* atts */, unsigned /* chrset */);
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#endif
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#if OPT_BOX_CHARS
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#define FontIsIncomplete(font) \
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((font)->fs != 0 \
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&& (font)->fs->per_char != 0 \
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&& !(font)->fs->all_chars_exist)
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#define ForceBoxChars(screen,ch) \
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(xtermIsDecGraphic(ch) \
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&& (screen)->force_box_chars)
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#if OPT_WIDE_CHARS
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#define CharKnownMissing(font, ch) \
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(((ch) < 256) && ((font)->known_missing[(Char)(ch)] > 1))
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#else
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#define CharKnownMissing(font, ch) \
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((font)->known_missing[(Char)(ch)] > 1)
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#endif
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#define IsXtermMissingChar(screen, ch, font) \
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(CharKnownMissing(font, ch) \
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? ((font)->known_missing[(Char)(ch)] > 1) \
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: ((FontIsIncomplete(font) && xtermMissingChar(ch, font)) \
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|| ForceBoxChars(screen, ch)))
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extern Bool xtermMissingChar (unsigned /* ch */, XTermFonts */* font */);
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extern void xtermDrawBoxChar (XtermWidget /* xw */, unsigned /* ch */, unsigned /* flags */, GC /* gc */, int /* x */, int /* y */, int /* cols */);
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#else
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#define IsXtermMissingChar(screen, ch, font) False
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#endif
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#if OPT_LOAD_VTFONTS
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extern void HandleLoadVTFonts PROTO_XT_ACTIONS_ARGS;
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#endif
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#if OPT_LOAD_VTFONTS || OPT_WIDE_CHARS
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extern Bool xtermLoadWideFonts (XtermWidget /* w */, Bool /* nullOk */);
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#endif
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#define xtermIsDecGraphic(ch) ((ch) > 0 && (ch) < 32)
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#if OPT_RENDERFONT
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extern Bool xtermXftMissing (XtermWidget /* xw */, XftFont * /* font */, unsigned /* wc */);
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#endif
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#if OPT_SHIFT_FONTS
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extern void HandleSmallerFont PROTO_XT_ACTIONS_ARGS;
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extern void HandleLargerFont PROTO_XT_ACTIONS_ARGS;
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#endif
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#if OPT_WIDE_CHARS
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extern unsigned ucs2dec (unsigned);
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extern unsigned dec2ucs (unsigned);
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#endif
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#endif /* included_fontutils_h */
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