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/*--------------------------------*-C-*---------------------------------*; |
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* File: defaultfont.C |
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*----------------------------------------------------------------------* |
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* Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com> |
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* - original version. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*---------------------------------------------------------------------*/ |
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|
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#include "../config.h" |
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#include "rxvt.h" |
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#include "defaultfont.h" |
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|
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#include <cstdlib> |
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|
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#define DISPLAY r->display->display |
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#define TGC r->TermWin.gc |
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|
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const struct rxvt_fallback_font { |
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codeset cs; |
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const char *name; |
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} fallback_fonts[] = { |
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{ CS_ISO8859_1, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-1" }, |
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{ CS_ISO8859_15, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-15" }, |
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{ CS_ISO8859_15, "-*-*-*-r-*--*-*-*-*-c-*-fcd8859-15" }, |
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|
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#if ENCODING_EU |
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// cyrillic |
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{ CS_KOI8_R, "-*-*-*-r-*--*-*-*-*-c-*-koi8-r" }, |
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{ CS_KOI8_U, "-*-*-*-r-*--*-*-*-*-c-*-koi8-u" }, |
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|
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{ CS_ISO8859_2, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-2" }, |
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{ CS_ISO8859_3, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-3" }, |
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{ CS_ISO8859_4, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-4" }, |
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{ CS_ISO8859_5, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-5" }, |
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{ CS_ISO8859_6, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-6" }, |
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{ CS_ISO8859_7, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-7" }, |
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{ CS_ISO8859_8, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-8" }, |
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{ CS_ISO8859_9, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-9" }, |
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{ CS_ISO8859_10, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-10" }, |
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{ CS_ISO8859_11, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-11" }, |
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{ CS_ISO8859_13, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-13" }, |
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{ CS_ISO8859_14, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-14" }, |
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{ CS_ISO8859_16, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-16" }, |
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#endif |
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|
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// japanese |
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#if ENCODING_JP || ENCODING_JP_EXT |
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# if XFT |
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// prefer xft for complex scripts |
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{ CS_UNICODE, "xft:Kochi Gothic:antialias=false" }, |
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# endif |
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{ CS_JIS0201_1976_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0201*-0" }, |
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{ CS_JIS0208_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0208*-0" }, |
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{ CS_JIS0212_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0212*-0" }, |
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#endif |
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|
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#if ENCODING_CN || ENCODING_CN_EXT |
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# if XFT |
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{ CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" }, |
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{ CS_BIG5_EXT, "xft:AR PL KaitiM Big5" }, |
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{ CS_GB2312_1980_0, "xft:AR PL KaitiM GB" }, |
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{ CS_GB2312_1980_0, "xft:AR PL SungtiL GB" }, |
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# endif |
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{ CS_BIG5, "-*-*-*-*-*-*-*-*-*-*-c-*-big5-0" }, |
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{ CS_BIG5_PLUS, "-*-*-*-*-*-*-*-*-*-*-c-*-big5p-0" }, |
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{ CS_BIG5_EXT, "-*-*-*-*-*-*-*-*-*-*-c-*-big5.eten-0" }, |
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{ CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-gb2312*-0" }, |
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{ CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-1" }, |
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{ CS_CNS11643_1992_2, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-2" }, |
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{ CS_CNS11643_1992_3, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-3" }, |
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{ CS_CNS11643_1992_4, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-4" }, |
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{ CS_CNS11643_1992_5, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-5" }, |
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{ CS_CNS11643_1992_6, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-6" }, |
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{ CS_CNS11643_1992_7, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-7" }, |
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{ CS_CNS11643_1992_F, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-f" }, |
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#endif |
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|
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#if XFT |
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{ CS_UNICODE, "xft:Andale Mono" }, |
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{ CS_UNICODE, "xft:Arial Unicode MS" }, |
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#endif |
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{ CS_UNICODE, "-*-lucidatypewriter-*-*-*-*-*-*-*-*-m-*-iso10646-1" }, |
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{ CS_UNICODE, "xft:FreeMono" }, |
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{ CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" }, |
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{ CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-c-*-iso10646-1" }, |
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{ CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" }, |
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|
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#if UNICODE_3 && XFT |
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{ CS_UNICODE, "xft:Code2001" }, // contains many plane-1 characters |
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#endif |
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|
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{ CS_UNKNOWN, 0 } |
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}; |
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|
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///////////////////////////////////////////////////////////////////////////// |
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|
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#if XFT |
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rxvt_drawable::~rxvt_drawable () |
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{ |
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if (xftdrawable) |
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XftDrawDestroy (xftdrawable); |
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} |
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|
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rxvt_drawable::operator XftDraw *() |
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{ |
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if (!xftdrawable) |
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xftdrawable = XftDrawCreate (display->display, drawable, display->visual, display->cmap); |
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|
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return xftdrawable; |
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} |
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#endif |
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|
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///////////////////////////////////////////////////////////////////////////// |
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|
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static void *enc_buf; |
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static uint32_t enc_len; |
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|
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static inline void * |
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get_enc_buf (uint32_t len) |
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{ |
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if (len > enc_len) |
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{ |
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free (enc_buf); |
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enc_buf = malloc (len); |
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} |
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|
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return enc_buf; |
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} |
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|
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static const char * |
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enc_char (const text_t *text, uint32_t len, codeset cs, bool &zero) |
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{ |
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uint8_t *buf = (uint8_t *)get_enc_buf (len); |
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|
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while (len--) |
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{ |
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uint32_t c = FROM_UNICODE (cs, *text++); |
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|
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if (c == NOCHAR) |
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{ |
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c = 0; |
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zero = true; |
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} |
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|
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*buf++ = c; |
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} |
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|
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return (const char *)enc_buf; |
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} |
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|
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static const XChar2b * |
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enc_xchar2b (const text_t *text, uint32_t len, codeset cs, bool &zero) |
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{ |
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XChar2b *buf = (XChar2b *)get_enc_buf (len * sizeof (XChar2b)); |
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|
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while (len--) |
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{ |
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uint32_t c = FROM_UNICODE (cs, *text++); |
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|
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if (c == NOCHAR) |
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{ |
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c = 0; |
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zero = true; |
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} |
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|
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buf->byte1 = c >> 8; |
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buf->byte2 = c; |
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buf++; |
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} |
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|
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return (XChar2b *)enc_buf; |
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} |
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|
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///////////////////////////////////////////////////////////////////////////// |
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|
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void |
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rxvt_font::clear_rect (rxvt_drawable &d, int x, int y, int w, int h, int color) |
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{ |
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if (color == Color_bg) |
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XClearArea (d.display->display, d, x, y, w, h, FALSE); |
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else if (color >= 0) |
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{ |
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#if XFT |
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XftDrawRect (d, &r->PixColors[color].c, x, y, w, h); |
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#else |
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XSetForeground (d.display->display, TGC, r->PixColors[color]); |
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XFillRectangle (d.display->display, d, TGC, x, y, w, h); |
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#endif |
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} |
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} |
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|
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struct rxvt_font_default : rxvt_font { |
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rxvt_fontprop properties () |
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{ |
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rxvt_fontprop p; |
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|
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p.width = p.height = 1; |
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p.weight = rxvt_fontprop::medium; |
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p.slant = rxvt_fontprop::roman; |
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|
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return p; |
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} |
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|
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bool load (const rxvt_fontprop &prop) |
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{ |
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width = 1; height = 1; |
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ascent = 1; descent = 0; |
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|
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set_name ("built-in pseudofont"); |
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|
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return true; |
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} |
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|
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bool has_codepoint (unicode_t unicode) |
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{ |
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if (unicode <= 0x001f) |
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return true; |
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|
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if (unicode >= 0x0080 && unicode <= 0x009f) |
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return true; |
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|
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if (unicode >= 0x2500 && unicode <= 0x259f) |
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return true; |
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|
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if (IS_COMPOSE (unicode)) |
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return true; |
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|
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switch (unicode) |
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{ |
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case ZERO_WIDTH_CHAR: |
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return true; |
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} |
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|
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return false; |
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} |
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|
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void draw (rxvt_drawable &d, int x, int y, |
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const text_t *text, int len, |
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int fg, int bg); |
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}; |
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|
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static void rect_stipple (Display *display, Drawable d, GC gc, int s1, int s2, int x, int y, int w, int h) |
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{ |
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XGCValues gcv; |
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char bm[2] = { s1, s2 }; |
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|
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gcv.fill_style = FillStippled; |
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gcv.stipple = XCreateBitmapFromData (display, d, bm, 2, 2); |
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gcv.ts_x_origin = x; |
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gcv.ts_y_origin = y; |
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|
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if (!gcv.stipple) |
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return; |
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|
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XChangeGC (display, gc, GCFillStyle | GCStipple | GCTileStipXOrigin | GCTileStipYOrigin, &gcv); |
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XFillRectangle (display, d, gc, x, y, w, h); |
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|
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XFreePixmap (display, gcv.stipple); |
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|
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gcv.fill_style = FillSolid; |
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XChangeGC (display, gc, GCFillStyle, &gcv); |
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} |
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|
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#include "table/linedraw.h" |
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|
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void |
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rxvt_font_default::draw (rxvt_drawable &d, int x, int y, |
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const text_t *text, int len, |
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int fg, int bg) |
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{ |
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clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); |
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|
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XSetForeground (d.display->display, TGC, r->PixColors[fg]); |
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|
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while (len--) |
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{ |
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#if ENABLE_COMBINING |
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compose_char *cc; |
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#endif |
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text_t t = *text++; |
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|
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int x_[16]; |
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int y_[16]; |
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|
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int W = r->TermWin.fwidth , w = (W - 1) / 2; |
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int H = r->TermWin.fheight, h = (H - 1) / 2; |
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int x0 = x, x1 = x + w, x2 = x + r->TermWin.fwidth ; |
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int y0 = y, y1 = y + h, y2 = y + r->TermWin.fheight; |
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|
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for (int i = 0; i <= 8; i++) |
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{ |
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x_[i] = x + ((W-1) * i + (i*7/8)) / 8; |
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y_[i] = y + ((H-1) * i + (i*7/8)) / 8; |
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} |
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|
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x_[10] = x + (W - 1) / 2; x_[9] = x_[10] - 1; x_[11] = x_[10] + 1; |
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y_[10] = y + (H - 1) / 2; y_[9] = y_[10] - 1; y_[11] = y_[10] + 1; |
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|
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int i1 = linedraw_offs[t - 0x2500]; |
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int i2 = linedraw_offs[t - 0x2500 + 1]; |
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|
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XGCValues gcv; |
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|
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gcv.cap_style = CapButt; |
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gcv.line_width = 0; |
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XChangeGC (d.display->display, TGC, GCLineWidth | GCCapStyle, &gcv); |
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|
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if (i1 != i2) |
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{ |
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while (i1 < i2) |
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{ |
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uint32_t command = linedraw_command [i1++]; |
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|
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int op = (command >> 24) & 255; |
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int a = (command >> 20) & 15; |
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int b = (command >> 16) & 15; |
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int x1 = x_[(command >> 12) & 15]; |
| 331 |
int y1 = y_[(command >> 8) & 15]; |
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int x2 = x_[(command >> 4) & 15]; |
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int y2 = y_[(command >> 0) & 15]; |
| 334 |
|
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switch (op) |
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{ |
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case 0: // line |
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XDrawLine (d.display->display, d, TGC, x1, y1, x2, y2); |
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break; |
| 340 |
|
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case 1: // rectangle, possibly stippled |
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if (a) |
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{ |
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static char bm[] = { 0,0 , 1,3 , 2,1 , 0,1 }; |
| 345 |
|
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gcv.fill_style = FillStippled; |
| 347 |
gcv.stipple = XCreateBitmapFromData (d.display->display, d, bm + a * 2, 2, 2); |
| 348 |
gcv.ts_x_origin = x; |
| 349 |
gcv.ts_y_origin = y; |
| 350 |
|
| 351 |
XChangeGC (d.display->display, TGC, |
| 352 |
GCFillStyle | GCStipple | GCTileStipXOrigin | GCTileStipYOrigin, |
| 353 |
&gcv); |
| 354 |
} |
| 355 |
|
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|
| 357 |
XFillRectangle (d.display->display, d, TGC, x1, y1, x2 - x1 + 1, y2 - y1 + 1); |
| 358 |
|
| 359 |
if (a) |
| 360 |
{ |
| 361 |
XFreePixmap (d.display->display, gcv.stipple); |
| 362 |
gcv.fill_style = FillSolid; |
| 363 |
XChangeGC (d.display->display, TGC, GCFillStyle, &gcv); |
| 364 |
} |
| 365 |
|
| 366 |
break; |
| 367 |
case 2: // arc |
| 368 |
break; |
| 369 |
} |
| 370 |
} |
| 371 |
|
| 372 |
#if 0 |
| 373 |
case 'A': XDrawArc (d.display->display, d, TGC, x1 , y1 , W-1, H-1, 90*64, 90*64); break; |
| 374 |
case 'B': XDrawArc (d.display->display, d, TGC, x1-W+1, y1 , W-1, H-1, 0*64, 90*64); break; |
| 375 |
case 'C': XDrawArc (d.display->display, d, TGC, x1-W+1, y1-H+1, W-1, H-1, 0*64, -90*64); break; |
| 376 |
case 'D': XDrawArc (d.display->display, d, TGC, x1 , y1-H+1, W-1, H-1, -90*64, -90*64); break; |
| 377 |
|
| 378 |
case 'i': XFillRectangle (d.display->display, d, TGC, x0, y0, x1 - x0 + 1, y1 - y0 + 1); break; |
| 379 |
case 'j': XFillRectangle (d.display->display, d, TGC, x1, y0, x2 - x1, y1 - y0 + 1); break; |
| 380 |
case 'k': XFillRectangle (d.display->display, d, TGC, x0, y1, x1 - x0 + 1, y2 - y1); break; |
| 381 |
case 'l': XFillRectangle (d.display->display, d, TGC, x1, y1, x2 - x1, y2 - y1); break; |
| 382 |
} |
| 383 |
} |
| 384 |
#endif |
| 385 |
|
| 386 |
} |
| 387 |
#if ENABLE_COMBINING |
| 388 |
else if (IS_COMPOSE (t) && (cc = rxvt_composite[t])) |
| 389 |
{ |
| 390 |
rxvt_font *f1 = (*fs)[fs->find_font (cc->c1)]; |
| 391 |
f1->draw (d, x, y, &(t = cc->c1), 1, fg, bg); |
| 392 |
if (cc->c2 != NOCHAR) |
| 393 |
{ |
| 394 |
// prefer font of first character, for no good reasons |
| 395 |
rxvt_font *f2 = f1->has_codepoint (cc->c2) |
| 396 |
? f1 |
| 397 |
: (*fs)[fs->find_font (cc->c2)]; |
| 398 |
|
| 399 |
f2->draw (d, x, y, &(t = cc->c2), 1, fg, -1); |
| 400 |
} |
| 401 |
} |
| 402 |
#endif |
| 403 |
else |
| 404 |
switch (t) |
| 405 |
{ |
| 406 |
case ZERO_WIDTH_CHAR: |
| 407 |
break; |
| 408 |
|
| 409 |
#if 0 |
| 410 |
case 0x2580: XFillRectangle (d.display->display, d, TGC, x0, y0, W, y1 - y0 + 1); break; |
| 411 |
case 0x2581: XFillRectangle (d.display->display, d, TGC, x0, y0 + (H * 7 - 1) / 8, W, H - (H * 7 - 1) / 8); break; |
| 412 |
case 0x2582: XFillRectangle (d.display->display, d, TGC, x0, y0 + (H * 6 - 2) / 8, W, H - (H * 6 - 2) / 8); break; |
| 413 |
case 0x2583: XFillRectangle (d.display->display, d, TGC, x0, y0 + (H * 5 - 3) / 8, W, H - (H * 5 - 3) / 8); break; |
| 414 |
case 0x2584: XFillRectangle (d.display->display, d, TGC, x0, y0 + (H * 4 - 4) / 8, W, H - (H * 4 - 4) / 8); break; |
| 415 |
case 0x2585: XFillRectangle (d.display->display, d, TGC, x0, y0 + (H * 3 - 5) / 8, W, H - (H * 3 - 5) / 8); break; |
| 416 |
case 0x2586: XFillRectangle (d.display->display, d, TGC, x0, y0 + (H * 2 - 6) / 8, W, H - (H * 2 - 6) / 8); break; |
| 417 |
case 0x2587: XFillRectangle (d.display->display, d, TGC, x0, y0 + (H * 1 - 7) / 8, W, H - (H * 1 - 7) / 8); break; |
| 418 |
case 0x2588: XFillRectangle (d.display->display, d, TGC, x0, y0, W, H); break; |
| 419 |
case 0x2589: XFillRectangle (d.display->display, d, TGC, x0, y0, (W * 7 - 1) / 8, H); break; |
| 420 |
case 0x258a: XFillRectangle (d.display->display, d, TGC, x0, y0, (W * 6 - 2) / 8, H); break; |
| 421 |
case 0x258b: XFillRectangle (d.display->display, d, TGC, x0, y0, (W * 5 - 3) / 8, H); break; |
| 422 |
case 0x258c: XFillRectangle (d.display->display, d, TGC, x0, y0, (W * 4 - 4) / 8, H); break; |
| 423 |
case 0x258d: XFillRectangle (d.display->display, d, TGC, x0, y0, (W * 3 - 5) / 8, H); break; |
| 424 |
case 0x258e: XFillRectangle (d.display->display, d, TGC, x0, y0, (W * 2 - 6) / 8, H); break; |
| 425 |
case 0x258f: XFillRectangle (d.display->display, d, TGC, x0, y0, (W * 1 - 7) / 8, H); break; |
| 426 |
case 0x2590: XFillRectangle (d.display->display, d, TGC, x1, y0, x2 - x1, H); break; |
| 427 |
|
| 428 |
case 0x2591: rect_stipple (d.display->display, d, TGC, 0x00, 0x01, x0, y0, W, H); break; |
| 429 |
case 0x2592: rect_stipple (d.display->display, d, TGC, 0x02, 0x01, x0, y0, W, H); break; |
| 430 |
case 0x2593: rect_stipple (d.display->display, d, TGC, 0x01, 0x03, x0, y0, W, H); break; |
| 431 |
|
| 432 |
case 0x2594: XFillRectangle (d.display->display, d, TGC, x0, y0, W, (H * 1 - 7) / 8); break; |
| 433 |
case 0x2595: XFillRectangle (d.display->display, d, TGC, x0 + (W * 7 - 1) / 8, y0, W - (W * 7 - 1) / 8, H); break; |
| 434 |
#endif |
| 435 |
|
| 436 |
default: |
| 437 |
int w = 0; |
| 438 |
while (len > 0 && *text == NOCHAR) |
| 439 |
{ |
| 440 |
++text; |
| 441 |
--len; |
| 442 |
w += r->TermWin.fwidth; |
| 443 |
} |
| 444 |
|
| 445 |
XDrawRectangle (d.display->display, d, TGC, x + 2, y + 2, |
| 446 |
w + r->TermWin.fwidth - 4, r->TermWin.fheight - 4); |
| 447 |
x += w; |
| 448 |
} |
| 449 |
|
| 450 |
x += r->TermWin.fwidth; |
| 451 |
} |
| 452 |
} |
| 453 |
|
| 454 |
///////////////////////////////////////////////////////////////////////////// |
| 455 |
|
| 456 |
struct rxvt_font_x11 : rxvt_font { |
| 457 |
rxvt_font_x11 () { f = 0; } |
| 458 |
|
| 459 |
void clear (); |
| 460 |
|
| 461 |
rxvt_fontprop properties (); |
| 462 |
|
| 463 |
bool load (const rxvt_fontprop &prop); |
| 464 |
|
| 465 |
bool has_codepoint (unicode_t unicode); |
| 466 |
|
| 467 |
void draw (rxvt_drawable &d, int x, int y, |
| 468 |
const text_t *text, int len, |
| 469 |
int fg, int bg); |
| 470 |
|
| 471 |
XFontStruct *f; |
| 472 |
codeset cs; |
| 473 |
bool enc2b, encm; |
| 474 |
|
| 475 |
const char *get_property (XFontStruct *f, const char *property, const char *repl) const; |
| 476 |
bool set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth); |
| 477 |
bool set_properties (rxvt_fontprop &p, XFontStruct *f); |
| 478 |
bool set_properties (rxvt_fontprop &p, const char *name); |
| 479 |
}; |
| 480 |
|
| 481 |
const char * |
| 482 |
rxvt_font_x11::get_property (XFontStruct *f, const char *property, const char *repl) const |
| 483 |
{ |
| 484 |
unsigned long value; |
| 485 |
|
| 486 |
if (XGetFontProperty (f, XInternAtom (DISPLAY, property, 0), &value)) |
| 487 |
return XGetAtomName (DISPLAY, value); |
| 488 |
else |
| 489 |
return repl; |
| 490 |
} |
| 491 |
|
| 492 |
rxvt_fontprop |
| 493 |
rxvt_font_x11::properties () |
| 494 |
{ |
| 495 |
rxvt_fontprop p; |
| 496 |
set_properties (p, f); |
| 497 |
return p; |
| 498 |
} |
| 499 |
|
| 500 |
bool |
| 501 |
rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth) |
| 502 |
{ |
| 503 |
p.width = avgwidth ? (avgwidth + 1) / 10 : (height + 1) / 2; |
| 504 |
p.height = height; |
| 505 |
p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium; |
| 506 |
p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic; |
| 507 |
|
| 508 |
return true; |
| 509 |
} |
| 510 |
|
| 511 |
bool |
| 512 |
rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f) |
| 513 |
{ |
| 514 |
const char *weight = get_property (f, "WEIGHT_NAME", "medium"); |
| 515 |
const char *slant = get_property (f, "SLANT", "r"); |
| 516 |
|
| 517 |
unsigned long height; |
| 518 |
if (!XGetFontProperty (f, XInternAtom (DISPLAY, "PIXEL_SIZE", 0), &height)) |
| 519 |
return false; |
| 520 |
|
| 521 |
unsigned long avgwidth; |
| 522 |
if (!XGetFontProperty (f, XInternAtom (DISPLAY, "AVERAGE_WIDTH", 0), &avgwidth)) |
| 523 |
avgwidth = 0; |
| 524 |
|
| 525 |
return set_properties (p, height, weight, slant, avgwidth); |
| 526 |
} |
| 527 |
|
| 528 |
bool |
| 529 |
rxvt_font_x11::set_properties (rxvt_fontprop &p, const char *name) |
| 530 |
{ |
| 531 |
int slashes = 0; |
| 532 |
const char *comp[13]; |
| 533 |
|
| 534 |
for (const char *c = name; *c; c++) |
| 535 |
if (*c == '-') |
| 536 |
{ |
| 537 |
comp[slashes++] = c + 1; |
| 538 |
if (slashes >= 13) |
| 539 |
break; |
| 540 |
} |
| 541 |
|
| 542 |
/* can we short-circuit the costly XLoadQueryFont? */ |
| 543 |
if (slashes >= 13 |
| 544 |
&& (*comp[ 6] >= '1' && *comp[ 6] <= '9') |
| 545 |
&& (*comp[11] >= '0' && *comp[11] <= '9')) |
| 546 |
return set_properties (p, atoi (comp[6]), comp[2], comp[3], atoi (comp[11])); |
| 547 |
|
| 548 |
XFontStruct *f = XLoadQueryFont (DISPLAY, name); |
| 549 |
|
| 550 |
if (f) |
| 551 |
{ |
| 552 |
// the font should really exist now. if not, we have a problem |
| 553 |
// (e.g. if the user did xset fp rehash just when we were searching fonts). |
| 554 |
// in that case, just return garbage. |
| 555 |
bool ret = set_properties (p, f); |
| 556 |
XFreeFont (DISPLAY, f); |
| 557 |
return ret; |
| 558 |
} |
| 559 |
else |
| 560 |
return false; |
| 561 |
} |
| 562 |
|
| 563 |
// fix the size of scalable fonts |
| 564 |
static void |
| 565 |
fix_scalable (char *buf, const char *name, const rxvt_fontprop &prop) |
| 566 |
{ |
| 567 |
int slashes = 0; |
| 568 |
const char *size; |
| 569 |
|
| 570 |
for (const char *c = name; *c; c++) |
| 571 |
if (*c == '-') |
| 572 |
{ |
| 573 |
if (slashes == 6) |
| 574 |
size = c + 1; |
| 575 |
|
| 576 |
if (++slashes >= 13) |
| 577 |
break; |
| 578 |
} |
| 579 |
|
| 580 |
if (slashes >= 13 && size[0] == '0') |
| 581 |
{ |
| 582 |
strncpy (buf, name, size - name); |
| 583 |
buf += size - name; |
| 584 |
buf += sprintf (buf, "%d", prop.height); |
| 585 |
strcpy (buf, size + 1); |
| 586 |
} |
| 587 |
else |
| 588 |
strcpy (buf, name); |
| 589 |
} |
| 590 |
|
| 591 |
bool |
| 592 |
rxvt_font_x11::load (const rxvt_fontprop &prop) |
| 593 |
{ |
| 594 |
clear (); |
| 595 |
|
| 596 |
char **list; |
| 597 |
int count; |
| 598 |
list = XListFonts (DISPLAY, name, 512, &count); |
| 599 |
set_name (0); |
| 600 |
|
| 601 |
if (!list) |
| 602 |
return false; |
| 603 |
|
| 604 |
int bestdiff = 0x7fffffff; |
| 605 |
for (int i = 0; i < count; i++) |
| 606 |
{ |
| 607 |
rxvt_fontprop p; |
| 608 |
char fname[1024]; |
| 609 |
fix_scalable (fname, list[i], prop); |
| 610 |
|
| 611 |
if (!set_properties (p, fname)) |
| 612 |
continue; |
| 613 |
|
| 614 |
if (p.height > prop.height) // weed out too large fonts |
| 615 |
continue; |
| 616 |
|
| 617 |
int diff = (prop.height - p.height) * 32 |
| 618 |
+ abs (prop.weight - p.weight) |
| 619 |
+ abs (prop.slant - p.slant ); |
| 620 |
|
| 621 |
if (!name // compare against best found so far |
| 622 |
|| diff < bestdiff) |
| 623 |
{ |
| 624 |
set_name (strdup (fname)); |
| 625 |
bestdiff = diff; |
| 626 |
} |
| 627 |
} |
| 628 |
|
| 629 |
XFreeFontNames (list); |
| 630 |
|
| 631 |
if (!name) |
| 632 |
return false; |
| 633 |
|
| 634 |
f = XLoadQueryFont (DISPLAY, name); |
| 635 |
|
| 636 |
if (!f) |
| 637 |
return false; |
| 638 |
|
| 639 |
const char *registry = get_property (f, "CHARSET_REGISTRY", 0); |
| 640 |
const char *encoding = get_property (f, "CHARSET_ENCODING", 0); |
| 641 |
|
| 642 |
if (registry && encoding) |
| 643 |
{ |
| 644 |
char charset[64]; |
| 645 |
snprintf (charset, 64, "%s-%s", registry, encoding); |
| 646 |
|
| 647 |
cs = codeset_from_name (charset); |
| 648 |
} |
| 649 |
else |
| 650 |
{ |
| 651 |
const char *charset = get_property (f, "FONT", 0); |
| 652 |
|
| 653 |
if (!charset) |
| 654 |
charset = name; |
| 655 |
|
| 656 |
int count = 13; |
| 657 |
while (*charset) |
| 658 |
if (*charset++ == '-' && !--count) |
| 659 |
break; |
| 660 |
|
| 661 |
cs = codeset_from_name (charset); |
| 662 |
} |
| 663 |
|
| 664 |
if (cs == CS_UNICODE) |
| 665 |
cs = CS_UNICODE_16; // X11 can have a max. of 65536 chars per font |
| 666 |
|
| 667 |
encm = f->min_byte1 != 0 || f->max_byte1 != 0; |
| 668 |
enc2b = encm || f->max_char_or_byte2 > 255; |
| 669 |
|
| 670 |
ascent = f->ascent; |
| 671 |
descent = f->descent; |
| 672 |
height = ascent + descent; |
| 673 |
|
| 674 |
slow = false; |
| 675 |
|
| 676 |
if (f->min_bounds.width == f->max_bounds.width) |
| 677 |
width = f->min_bounds.width; |
| 678 |
else if (f->per_char == NULL) |
| 679 |
width = f->max_bounds.width; |
| 680 |
else |
| 681 |
{ |
| 682 |
slow = true; |
| 683 |
|
| 684 |
int N = f->max_char_or_byte2 - f->min_char_or_byte2; |
| 685 |
|
| 686 |
if (encm) |
| 687 |
N += (f->max_byte1 - f->min_byte1) |
| 688 |
* (f->max_char_or_byte2 - f->min_char_or_byte2 + 1); |
| 689 |
|
| 690 |
while (N) |
| 691 |
{ |
| 692 |
if (f->per_char[N].width > width) |
| 693 |
width = f->per_char[N].width; |
| 694 |
|
| 695 |
--N; |
| 696 |
} |
| 697 |
} |
| 698 |
|
| 699 |
if (cs == CS_UNKNOWN) |
| 700 |
{ |
| 701 |
fprintf (stderr, "unable to deduce codeset, ignoring font '%s'\n", name); |
| 702 |
|
| 703 |
clear (); |
| 704 |
|
| 705 |
return false; |
| 706 |
} |
| 707 |
|
| 708 |
return true; |
| 709 |
} |
| 710 |
|
| 711 |
void |
| 712 |
rxvt_font_x11::clear () |
| 713 |
{ |
| 714 |
if (f) |
| 715 |
{ |
| 716 |
XFreeFont (DISPLAY, f); |
| 717 |
f = 0; |
| 718 |
} |
| 719 |
} |
| 720 |
|
| 721 |
bool |
| 722 |
rxvt_font_x11::has_codepoint (unicode_t unicode) |
| 723 |
{ |
| 724 |
uint32_t ch = FROM_UNICODE (cs, unicode); |
| 725 |
|
| 726 |
if (ch == NOCHAR) |
| 727 |
return false; |
| 728 |
|
| 729 |
/* check wether the character exists in _this_ font. horrible. */ |
| 730 |
XCharStruct *xcs; |
| 731 |
|
| 732 |
if (encm) |
| 733 |
{ |
| 734 |
unsigned char byte1 = ch >> 8; |
| 735 |
unsigned char byte2 = ch & 255; |
| 736 |
|
| 737 |
if (byte1 < f->min_byte1 || byte1 > f->max_byte1 |
| 738 |
|| byte2 < f->min_char_or_byte2 || byte2 > f->max_char_or_byte2) |
| 739 |
return false; |
| 740 |
|
| 741 |
if (!f->per_char) |
| 742 |
return true; |
| 743 |
|
| 744 |
int D = f->max_char_or_byte2 - f->min_char_or_byte2 + 1; |
| 745 |
int N = (byte1 - f->min_byte1) * D + byte2 - f->min_char_or_byte2; |
| 746 |
|
| 747 |
xcs = f->per_char + N; |
| 748 |
} |
| 749 |
else |
| 750 |
{ |
| 751 |
if (ch < f->min_char_or_byte2 || ch > f->max_char_or_byte2) |
| 752 |
return false; |
| 753 |
|
| 754 |
if (!f->per_char) |
| 755 |
return true; |
| 756 |
|
| 757 |
xcs = f->per_char + (ch - f->min_char_or_byte2); |
| 758 |
} |
| 759 |
|
| 760 |
if (xcs->lbearing == 0 && xcs->rbearing == 0 && xcs->width == 0 |
| 761 |
&& xcs->ascent == 0 && xcs->descent == 0) |
| 762 |
return false; |
| 763 |
|
| 764 |
return true; |
| 765 |
} |
| 766 |
|
| 767 |
void |
| 768 |
rxvt_font_x11::draw (rxvt_drawable &d, int x, int y, |
| 769 |
const text_t *text, int len, |
| 770 |
int fg, int bg) |
| 771 |
{ |
| 772 |
// this looks like a mess /. |
| 773 |
// and it is a mess /. |
| 774 |
// yet we are trying to be perfect /. |
| 775 |
// but the result still isn't perfect /. |
| 776 |
|
| 777 |
bool slow = this->slow |
| 778 |
|| width != r->TermWin.fwidth |
| 779 |
|| height != r->TermWin.fheight; |
| 780 |
|
| 781 |
int base = r->TermWin.fbase; |
| 782 |
|
| 783 |
XGCValues v; |
| 784 |
v.foreground = r->PixColors[fg]; |
| 785 |
v.background = r->PixColors[bg]; |
| 786 |
v.font = f->fid; |
| 787 |
|
| 788 |
if (enc2b) |
| 789 |
{ |
| 790 |
const XChar2b *xc = enc_xchar2b (text, len, cs, slow); |
| 791 |
|
| 792 |
if (bg == Color_bg && !slow) |
| 793 |
{ |
| 794 |
XChangeGC (d.display->display, TGC, GCForeground | GCBackground | GCFont, &v); |
| 795 |
XDrawImageString16 (d.display->display, d, TGC, x, y + base, xc, len); |
| 796 |
} |
| 797 |
else |
| 798 |
{ |
| 799 |
clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); |
| 800 |
|
| 801 |
XChangeGC (d.display->display, TGC, GCForeground | GCFont, &v); |
| 802 |
|
| 803 |
if (slow) |
| 804 |
{ |
| 805 |
do |
| 806 |
{ |
| 807 |
if (xc->byte1 || xc->byte2) |
| 808 |
XDrawString16 (d.display->display, d, TGC, x, y + base, xc, 1); |
| 809 |
|
| 810 |
x += r->TermWin.fwidth; |
| 811 |
xc++; len--; |
| 812 |
} |
| 813 |
while (len); |
| 814 |
} |
| 815 |
else |
| 816 |
XDrawString16 (d.display->display, d, TGC, x, y + base, xc, len); |
| 817 |
} |
| 818 |
} |
| 819 |
else |
| 820 |
{ |
| 821 |
const char *xc = enc_char (text, len, cs, slow); |
| 822 |
|
| 823 |
if (bg == Color_bg && !slow) |
| 824 |
{ |
| 825 |
XChangeGC (d.display->display, TGC, GCForeground | GCBackground | GCFont, &v); |
| 826 |
XDrawImageString (d.display->display, d, TGC, x, y + base, xc, len); |
| 827 |
} |
| 828 |
else |
| 829 |
{ |
| 830 |
clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); |
| 831 |
|
| 832 |
XChangeGC (d.display->display, TGC, GCForeground | GCFont, &v); |
| 833 |
|
| 834 |
if (slow) |
| 835 |
{ |
| 836 |
do |
| 837 |
{ |
| 838 |
if (*xc) |
| 839 |
XDrawString (d.display->display, d, TGC, x, y + base, xc, 1); |
| 840 |
|
| 841 |
x += r->TermWin.fwidth; |
| 842 |
xc++; len--; |
| 843 |
} |
| 844 |
while (len); |
| 845 |
} |
| 846 |
else |
| 847 |
XDrawString (d.display->display, d, TGC, x, y + base, xc, len); |
| 848 |
} |
| 849 |
} |
| 850 |
} |
| 851 |
|
| 852 |
///////////////////////////////////////////////////////////////////////////// |
| 853 |
|
| 854 |
#if XFT |
| 855 |
#if 0 |
| 856 |
#define UNIBITS 21 |
| 857 |
//#define SWATHBITS (UNIBITS / 2 + 3) // minimum size for "full" tables |
| 858 |
#define SWATHBITS 8 |
| 859 |
#endif |
| 860 |
|
| 861 |
struct rxvt_font_xft : rxvt_font { |
| 862 |
rxvt_font_xft () { f = 0; } |
| 863 |
|
| 864 |
void clear (); |
| 865 |
|
| 866 |
rxvt_fontprop properties (); |
| 867 |
|
| 868 |
bool load (const rxvt_fontprop &prop); |
| 869 |
|
| 870 |
void draw (rxvt_drawable &d, int x, int y, |
| 871 |
const text_t *text, int len, |
| 872 |
int fg, int bg); |
| 873 |
|
| 874 |
bool has_codepoint (unicode_t unicode); |
| 875 |
|
| 876 |
protected: |
| 877 |
XftFont *f; |
| 878 |
}; |
| 879 |
|
| 880 |
void |
| 881 |
rxvt_font_xft::clear () |
| 882 |
{ |
| 883 |
if (f) |
| 884 |
{ |
| 885 |
XftFontClose (DISPLAY, f); |
| 886 |
f = 0; |
| 887 |
} |
| 888 |
} |
| 889 |
|
| 890 |
rxvt_fontprop |
| 891 |
rxvt_font_xft::properties () |
| 892 |
{ |
| 893 |
rxvt_fontprop p; |
| 894 |
|
| 895 |
FT_Face face = XftLockFace (f); |
| 896 |
|
| 897 |
p.width = width; p.height = height; |
| 898 |
p.weight = face->style_flags & FT_STYLE_FLAG_BOLD ? rxvt_fontprop::bold : rxvt_fontprop::medium; |
| 899 |
p.slant = face->style_flags & FT_STYLE_FLAG_ITALIC ? rxvt_fontprop::italic : rxvt_fontprop::roman; |
| 900 |
|
| 901 |
XftUnlockFace (f); |
| 902 |
|
| 903 |
return p; |
| 904 |
} |
| 905 |
|
| 906 |
bool |
| 907 |
rxvt_font_xft::load (const rxvt_fontprop &prop) |
| 908 |
{ |
| 909 |
#if 0 |
| 910 |
for (int i = 0; i < SWATHCOUNT; i++) |
| 911 |
cvr[i] = 0; |
| 912 |
#endif |
| 913 |
|
| 914 |
clear (); |
| 915 |
|
| 916 |
FcPattern *p = FcNameParse ((FcChar8 *) name); |
| 917 |
|
| 918 |
if (!p) |
| 919 |
return false; |
| 920 |
|
| 921 |
FcValue v; |
| 922 |
|
| 923 |
if (FcPatternGet (p, FC_WEIGHT, 0, &v) != FcResultMatch) |
| 924 |
FcPatternAddInteger (p, FC_WEIGHT, prop.weight); |
| 925 |
|
| 926 |
if (FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch) |
| 927 |
FcPatternAddInteger (p, FC_SLANT, prop.slant); |
| 928 |
|
| 929 |
#if 0 // clipping unfortunately destroys our precious double-width-characters |
| 930 |
// clip width, we can't do better, or can we? |
| 931 |
if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch) |
| 932 |
FcPatternAddInteger (p, FC_CHAR_WIDTH, prop.width); |
| 933 |
#endif |
| 934 |
|
| 935 |
//FcPatternAddBool (p, FC_MINSPACE, 1); |
| 936 |
|
| 937 |
XftResult result; |
| 938 |
FcPattern *match = XftFontMatch (DISPLAY, DefaultScreen (DISPLAY), p, &result); |
| 939 |
|
| 940 |
FcPatternDestroy (p); |
| 941 |
|
| 942 |
if (!match) |
| 943 |
return false; |
| 944 |
|
| 945 |
f = XftFontOpenPattern (DISPLAY, match); |
| 946 |
|
| 947 |
if (!f) |
| 948 |
{ |
| 949 |
FcPatternDestroy (match); |
| 950 |
return false; |
| 951 |
} |
| 952 |
|
| 953 |
FT_Face face = XftLockFace (f); |
| 954 |
|
| 955 |
slow = !FT_IS_FIXED_WIDTH (face); |
| 956 |
|
| 957 |
int ftheight = 0; |
| 958 |
|
| 959 |
for (;;) |
| 960 |
{ |
| 961 |
XGlyphInfo g1, g2; |
| 962 |
FcChar8 c; |
| 963 |
|
| 964 |
c = 'i'; XftTextExtents8 (DISPLAY, f, &c, 1, &g1); |
| 965 |
c = 'W'; XftTextExtents8 (DISPLAY, f, &c, 1, &g2); |
| 966 |
|
| 967 |
if (g1.xOff != g2.xOff) // don't simply trust the font |
| 968 |
slow = true; |
| 969 |
|
| 970 |
width = g2.xOff; |
| 971 |
ascent = (face->size->metrics.ascender + 63) >> 6; |
| 972 |
descent = (-face->size->metrics.descender + 63) >> 6; |
| 973 |
height = ascent + descent; |
| 974 |
|
| 975 |
if (height <= prop.height || !prop.height) |
| 976 |
break; |
| 977 |
|
| 978 |
if (ftheight) |
| 979 |
{ |
| 980 |
// take smaller steps near the end |
| 981 |
if (height > prop.height + 1) ftheight++; |
| 982 |
if (height > prop.height + 2) ftheight++; |
| 983 |
if (height > prop.height + 3) ftheight++; |
| 984 |
|
| 985 |
FT_Set_Pixel_Sizes (face, 0, ftheight -= height - prop.height); |
| 986 |
} |
| 987 |
else |
| 988 |
FT_Set_Pixel_Sizes (face, 0, ftheight = prop.height); |
| 989 |
} |
| 990 |
|
| 991 |
XftUnlockFace (f); |
| 992 |
|
| 993 |
return true; |
| 994 |
} |
| 995 |
|
| 996 |
bool |
| 997 |
rxvt_font_xft::has_codepoint (unicode_t unicode) |
| 998 |
{ |
| 999 |
return XftCharExists (DISPLAY, f, unicode); |
| 1000 |
} |
| 1001 |
|
| 1002 |
void |
| 1003 |
rxvt_font_xft::draw (rxvt_drawable &d, int x, int y, |
| 1004 |
const text_t *text, int len, |
| 1005 |
int fg, int bg) |
| 1006 |
{ |
| 1007 |
clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); |
| 1008 |
|
| 1009 |
if (!slow && width == r->TermWin.fwidth && 0) |
| 1010 |
{ |
| 1011 |
if (sizeof (text_t) == sizeof (FcChar16)) |
| 1012 |
XftDrawString16 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar16 *)text, len); |
| 1013 |
else |
| 1014 |
XftDrawString32 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar32 *)text, len); |
| 1015 |
} |
| 1016 |
else |
| 1017 |
{ |
| 1018 |
while (len) |
| 1019 |
{ |
| 1020 |
if (*text != NOCHAR && *text != ' ') |
| 1021 |
{ |
| 1022 |
int fwidth = r->TermWin.fwidth; |
| 1023 |
if (len >= 2 && text[1] == NOCHAR) |
| 1024 |
fwidth *= 2; |
| 1025 |
|
| 1026 |
XGlyphInfo extents; |
| 1027 |
if (sizeof (text_t) == sizeof (FcChar16)) |
| 1028 |
{ |
| 1029 |
XftTextExtents16 (d.display->display, f, (const FcChar16 *)text, 1, &extents); |
| 1030 |
XftDrawString16 (d, &r->PixColors[fg].c, f, x + extents.x + (fwidth - extents.width) / 2, |
| 1031 |
y + r->TermWin.fbase, (const FcChar16 *)text, 1); |
| 1032 |
} |
| 1033 |
else |
| 1034 |
{ |
| 1035 |
XGlyphInfo extents; |
| 1036 |
XftTextExtents32 (d.display->display, f, (const FcChar32 *)text, 1, &extents); |
| 1037 |
XftDrawString32 (d, &r->PixColors[fg].c, f, x + extents.x + (fwidth - extents.width) / 2, |
| 1038 |
y + r->TermWin.fbase, (const FcChar32 *)text, 1); |
| 1039 |
} |
| 1040 |
} |
| 1041 |
|
| 1042 |
x += r->TermWin.fwidth; |
| 1043 |
text++; |
| 1044 |
len--; |
| 1045 |
} |
| 1046 |
} |
| 1047 |
} |
| 1048 |
#endif |
| 1049 |
|
| 1050 |
///////////////////////////////////////////////////////////////////////////// |
| 1051 |
|
| 1052 |
rxvt_fontset::rxvt_fontset (rxvt_t r) |
| 1053 |
: r (r) |
| 1054 |
{ |
| 1055 |
clear (); |
| 1056 |
} |
| 1057 |
|
| 1058 |
rxvt_fontset::~rxvt_fontset () |
| 1059 |
{ |
| 1060 |
clear (); |
| 1061 |
} |
| 1062 |
|
| 1063 |
void |
| 1064 |
rxvt_fontset::clear () |
| 1065 |
{ |
| 1066 |
for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++) |
| 1067 |
FONT_UNREF (*i); |
| 1068 |
|
| 1069 |
fonts.clear (); |
| 1070 |
base_id = 0; |
| 1071 |
base_prop.height = 0x7fffffff; |
| 1072 |
base_prop.weight = rxvt_fontprop::medium; |
| 1073 |
base_prop.slant = rxvt_fontprop::roman; |
| 1074 |
|
| 1075 |
fallback = fallback_fonts; |
| 1076 |
} |
| 1077 |
|
| 1078 |
rxvt_font * |
| 1079 |
rxvt_fontset::new_font (const char *name, codeset cs) |
| 1080 |
{ |
| 1081 |
rxvt_font *f; |
| 1082 |
|
| 1083 |
if (!name || !*name) |
| 1084 |
{ |
| 1085 |
name = ""; |
| 1086 |
f = new rxvt_font_default; |
| 1087 |
} |
| 1088 |
#if XFT |
| 1089 |
else if (!strncmp (name, "xft:", 4)) |
| 1090 |
{ |
| 1091 |
name += 4; |
| 1092 |
f = new rxvt_font_xft; |
| 1093 |
} |
| 1094 |
#endif |
| 1095 |
else if (!strncmp (name, "x:", 2)) |
| 1096 |
{ |
| 1097 |
name += 2; |
| 1098 |
f = new rxvt_font_x11; |
| 1099 |
} |
| 1100 |
else |
| 1101 |
f = new rxvt_font_x11; |
| 1102 |
|
| 1103 |
f->fs = this; |
| 1104 |
f->set_term (r); |
| 1105 |
f->set_name (strdup (name)); |
| 1106 |
|
| 1107 |
f->cs = cs; |
| 1108 |
f->loaded = false; |
| 1109 |
|
| 1110 |
return f; |
| 1111 |
} |
| 1112 |
|
| 1113 |
///////////////////////////////////////////////////////////////////////////// |
| 1114 |
|
| 1115 |
void |
| 1116 |
rxvt_fontset::add_fonts (const char *desc) |
| 1117 |
{ |
| 1118 |
if (desc) |
| 1119 |
{ |
| 1120 |
char buf[512]; |
| 1121 |
const char *end; |
| 1122 |
|
| 1123 |
do |
| 1124 |
{ |
| 1125 |
while (*desc <= ' ') desc++; |
| 1126 |
|
| 1127 |
if (*desc == '[') |
| 1128 |
{ |
| 1129 |
fprintf (stderr, "extra font parameters not yet supported, skipping.\n"); |
| 1130 |
|
| 1131 |
//const char *extra = desc++; // not yet used |
| 1132 |
|
| 1133 |
desc = strchr (desc, ']'); |
| 1134 |
|
| 1135 |
if (!desc) |
| 1136 |
{ |
| 1137 |
fprintf (stderr, "ERROR: opening '[' without closing ']' in font specification.\n"); |
| 1138 |
break; |
| 1139 |
} |
| 1140 |
|
| 1141 |
desc++; |
| 1142 |
while (*desc <= ' ') desc++; |
| 1143 |
} |
| 1144 |
|
| 1145 |
end = strchr (desc, ','); |
| 1146 |
if (!end) |
| 1147 |
end = desc + strlen (desc); |
| 1148 |
|
| 1149 |
if (end - desc < 511) |
| 1150 |
{ |
| 1151 |
strncpy (buf, desc, end - desc); |
| 1152 |
buf[end - desc] = 0; |
| 1153 |
|
| 1154 |
fonts.push_back (new_font (buf, CS_UNICODE)); |
| 1155 |
} |
| 1156 |
|
| 1157 |
desc = end + 1; |
| 1158 |
} |
| 1159 |
while (*end); |
| 1160 |
} |
| 1161 |
} |
| 1162 |
|
| 1163 |
bool |
| 1164 |
rxvt_fontset::realize_font (int i) |
| 1165 |
{ |
| 1166 |
if (fonts[i]->loaded) |
| 1167 |
return true; |
| 1168 |
|
| 1169 |
fonts[i]->loaded = true; |
| 1170 |
|
| 1171 |
if (!fonts[i]->load (base_prop)) |
| 1172 |
{ |
| 1173 |
fonts[i]->cs = CS_UNKNOWN; |
| 1174 |
return false; |
| 1175 |
} |
| 1176 |
|
| 1177 |
return true; |
| 1178 |
} |
| 1179 |
|
| 1180 |
bool |
| 1181 |
rxvt_fontset::populate (const char *desc) |
| 1182 |
{ |
| 1183 |
clear (); |
| 1184 |
|
| 1185 |
fonts.push_back (new_font (0, CS_UNICODE)); |
| 1186 |
realize_font (0); |
| 1187 |
|
| 1188 |
add_fonts (desc); |
| 1189 |
|
| 1190 |
if (!base_id) |
| 1191 |
base_id = 1; |
| 1192 |
|
| 1193 |
// we currently need a base-font, no matter what |
| 1194 |
if ((int)fonts.size () <= base_id || !realize_font (base_id)) |
| 1195 |
{ |
| 1196 |
puts ("unable to load specified font (s), falling back to 'fixed'\n"); |
| 1197 |
add_fonts ("fixed"); |
| 1198 |
base_id = fonts.size () - 1; |
| 1199 |
} |
| 1200 |
|
| 1201 |
if ((int)fonts.size () <= base_id || !realize_font (base_id)) |
| 1202 |
return false; |
| 1203 |
|
| 1204 |
base_prop = fonts[base_id]->properties (); |
| 1205 |
|
| 1206 |
return true; |
| 1207 |
} |
| 1208 |
|
| 1209 |
int |
| 1210 |
rxvt_fontset::find_font (unicode_t unicode) |
| 1211 |
{ |
| 1212 |
for (unsigned int i = 0; i < fonts.size (); i++) |
| 1213 |
{ |
| 1214 |
rxvt_font *f = fonts[i]; |
| 1215 |
|
| 1216 |
if (!f->loaded) |
| 1217 |
{ |
| 1218 |
if (FROM_UNICODE (f->cs, unicode) == NOCHAR) |
| 1219 |
goto next_font; |
| 1220 |
|
| 1221 |
if (!realize_font (i)) |
| 1222 |
goto next_font; |
| 1223 |
} |
| 1224 |
|
| 1225 |
if (f->cs != CS_UNKNOWN && f->has_codepoint (unicode)) |
| 1226 |
return i; |
| 1227 |
|
| 1228 |
next_font: |
| 1229 |
if (i == fonts.size () - 1 && fallback->name) |
| 1230 |
{ |
| 1231 |
fonts.push_back (new_font (fallback->name, fallback->cs)); |
| 1232 |
fallback++; |
| 1233 |
i = 0; |
| 1234 |
} |
| 1235 |
} |
| 1236 |
|
| 1237 |
return 0; /* we must return SOME font */ |
| 1238 |
} |
| 1239 |
|
| 1240 |
|
| 1241 |
|
