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/*--------------------------------*-C-*---------------------------------* |
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* File: rxvtfont.C |
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*----------------------------------------------------------------------* |
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* Copyright (c) 2003-2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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1.1 |
*---------------------------------------------------------------------*/ |
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#include "../config.h" |
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#include "rxvt.h" |
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#include "rxvtlib.h" |
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#include "rxvtutil.h" |
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#include "rxvtfont.h" |
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#include <cstdlib> |
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#include <wchar.h> |
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#include <inttypes.h> |
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#define MAX_OVERLAP (4 + 1) // max. character width in 4ths of the base width |
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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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#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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{ 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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# if XFT |
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{ CS_KOI8_U, "xft::spacing=100:lang=ru:antialias=false" }, |
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{ CS_ISO8859_5, "xft::spacing=100:lang=ru:antialias=false" }, |
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{ CS_ISO8859_6, "xft::spacing=100:lang=ar:antialias=false" }, |
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{ CS_ISO8859_7, "xft::spacing=100:lang=el:antialias=false" }, |
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{ CS_ISO8859_8, "xft::spacing=100:lang=he:antialias=false" }, |
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{ CS_ISO8859_9, "xft::spacing=100:lang=tr:antialias=false" }, |
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{ CS_ISO8859_10, "xft::spacing=100:lang=se:antialias=false" }, |
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{ CS_ISO8859_11, "xft::spacing=100:lang=th:antialias=false" }, |
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# endif |
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#endif |
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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_JIS0208_1990_0, "xft:Kochi Gothic:antialias=false" }, |
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{ CS_JIS0208_1990_0, "xft:Sazanami Mincho:antialias=false" }, |
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{ CS_JIS0208_1990_0, "xft:Mincho:antialias=false" }, |
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{ CS_JIS0208_1990_0, "xft::lang=ja:spacing=100: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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{ CS_JIS0201_1976_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0201*-0" }, |
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{ CS_JIS0208_1990_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0208*-0" }, |
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{ CS_JIS0212_1990_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0212*-0" }, |
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#endif |
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#if ENCODING_ZH || ENCODING_ZH_EXT |
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# if XFT |
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{ CS_GBK_0, "xft:AR PL KaitiM GB" }, |
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{ CS_GBK_0, "xft:AR PL SungtiL GB" }, |
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{ CS_GBK_0, "xft::spacing=100:lang=zh" }, |
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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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{ CS_GB2312_1980_0, "xft::spacing=100:lang=zh" }, |
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# endif |
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{ CS_GBK_0, "-*-*-*-*-*-*-*-*-*-*-c-*-gbk*-0" }, |
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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_GB2312_1980_0, "-*-*-*-*-*-*-*-*-*-*-c-*-gb2312*-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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#if ENCODING_KR |
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{ CS_KSC5601_1987_0, "-baekmuk-gulim-*-*-*-*-*-*-*-*-c-*-ksc5601*" }, |
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{ CS_KSC5601_1987_0, "-*-*-*-*-*-*-*-*-*-*-c-*-ksc5601*" }, |
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# if XFT |
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{ CS_KSC5601_1987_0, "xft:Baekmuk Gulim:antialias=false" }, |
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{ CS_KSC5601_1987_0, "xft::spacing=100:lang=ko:antialias=false" }, |
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# endif |
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#endif |
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// generic font fallback |
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{ CS_UNICODE, "-*-lucidatypewriter-*-*-*-*-*-*-*-*-m-*-iso10646-1" }, |
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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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#if XFT |
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{ CS_UNICODE, "xft:Bitstream Vera Sans Mono:antialias=false:autohint=true" }, |
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{ CS_UNICODE, "xft:Courier New:antialias=false:autohint=true" }, |
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{ CS_UNICODE, "xft:Andale Mono:antialias=false:autohint=false" }, |
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{ CS_UNICODE, "xft:Arial Unicode MS:antialias=false:autohint=false" }, |
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// FreeMono is usually uglier than x fonts, so try last only. |
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{ CS_UNICODE, "xft:FreeMono:autohint=true" }, |
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#endif |
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{ CS_UNKNOWN, 0 } |
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}; |
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// these characters are used to guess the font height and width |
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// pango uses a similar algorithm and doesn't trust the font either. |
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static uint16_t extent_test_chars[] = { |
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'0', '1', '8', 'a', 'd', 'x', 'm', 'y', 'g', 'W', 'X', '\'', '_', |
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0x00cd, 0x00d5, 0x0114, 0x0177, 0x0643, // ÍÕĔŷﻙ |
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0x304c, 0x672c, // が本 |
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}; |
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#define NUM_EXTENT_TEST_CHARS (sizeof (extent_test_chars) / sizeof (extent_test_chars[0])) |
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#define dTermDisplay Display *disp = term->display->display |
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#define dTermGC GC gc = term->gc |
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1.1 |
///////////////////////////////////////////////////////////////////////////// |
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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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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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return xftdrawable; |
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} |
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#endif |
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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 = rxvt_temp_buf<uint8_t> (len); |
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uint8_t *res = buf; |
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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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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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*buf++ = c; |
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} |
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return (const char *)res; |
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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 = rxvt_temp_buf<XChar2b> (len); |
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XChar2b *res = buf; |
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1.1 |
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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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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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buf->byte1 = c >> 8; |
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buf->byte2 = c; |
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buf++; |
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} |
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return res; |
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1.1 |
} |
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///////////////////////////////////////////////////////////////////////////// |
225 |
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void |
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1.41 |
rxvt_font::set_name (char *name) |
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{ |
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if (this->name == name) |
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return; |
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if (this->name) free (this->name); // let the compiler optimize |
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this->name = name; |
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} |
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void |
237 |
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1.84 |
rxvt_font::clear_rect (rxvt_drawable &d, int x, int y, int w, int h, int color) const |
238 |
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1.1 |
{ |
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1.84 |
dTermDisplay; |
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dTermGC; |
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if (color == Color_bg) |
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XClearArea (disp, 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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1.84 |
XftDrawRect (d, &term->pix_colors[color].c, x, y, w, h); |
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1.1 |
#else |
249 |
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1.84 |
XSetForeground (disp, gc, term->pix_colors[color]); |
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XFillRectangle (disp, d, gc, x, y, w, h); |
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1.1 |
#endif |
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} |
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} |
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#include "table/linedraw.h" |
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struct rxvt_font_default : rxvt_font { |
258 |
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1.41 |
struct rxvt_fontset *fs; |
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260 |
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rxvt_font_default (rxvt_fontset *fs) |
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: rxvt_font () |
262 |
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{ |
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this->fs = fs; |
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} |
265 |
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1.1 |
|
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rxvt_fontprop properties () |
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{ |
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rxvt_fontprop p; |
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p.width = p.height = 1; |
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1.76 |
p.ascent = rxvt_fontprop::unset; |
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1.1 |
p.weight = rxvt_fontprop::medium; |
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p.slant = rxvt_fontprop::roman; |
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return p; |
276 |
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} |
277 |
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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; |
282 |
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283 |
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1.41 |
set_name (strdup ("built-in support font")); |
284 |
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1.1 |
|
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return true; |
286 |
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} |
287 |
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288 |
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1.84 |
bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const |
289 |
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1.1 |
{ |
290 |
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1.41 |
careful = false; |
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292 |
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1.1 |
if (unicode <= 0x001f) |
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return true; |
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if (unicode <= 0x007f) |
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return false; |
297 |
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298 |
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if (unicode <= 0x009f) |
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return true; |
300 |
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301 |
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1.77 |
if (unicode >= 0x2500 && unicode <= 0x259f && |
302 |
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1.84 |
!term->option (Opt_skipBuiltinGlyphs)) |
303 |
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1.1 |
return true; |
304 |
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if (IS_COMPOSE (unicode)) |
306 |
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return true; |
307 |
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308 |
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switch (unicode) |
309 |
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{ |
310 |
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case ZERO_WIDTH_CHAR: |
311 |
root |
1.41 |
case NOCHAR: |
312 |
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1.1 |
return true; |
313 |
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} |
314 |
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315 |
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return false; |
316 |
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} |
317 |
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318 |
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void draw (rxvt_drawable &d, int x, int y, |
319 |
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const text_t *text, int len, |
320 |
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int fg, int bg); |
321 |
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}; |
322 |
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323 |
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void |
324 |
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rxvt_font_default::draw (rxvt_drawable &d, int x, int y, |
325 |
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const text_t *text, int len, |
326 |
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int fg, int bg) |
327 |
|
|
{ |
328 |
root |
1.84 |
dTermDisplay; |
329 |
|
|
dTermGC; |
330 |
root |
1.66 |
|
331 |
root |
1.84 |
clear_rect (d, x, y, term->fwidth * len, term->fheight, bg); |
332 |
root |
1.1 |
|
333 |
root |
1.84 |
XSetForeground (disp, gc, term->pix_colors[fg]); |
334 |
root |
1.1 |
|
335 |
root |
1.56 |
while (len) |
336 |
root |
1.1 |
{ |
337 |
|
|
#if ENABLE_COMBINING |
338 |
|
|
compose_char *cc; |
339 |
|
|
#endif |
340 |
root |
1.56 |
const text_t *tp = text; |
341 |
|
|
text_t t = *tp; |
342 |
|
|
|
343 |
|
|
while (++text, --len && *text == NOCHAR) |
344 |
|
|
; |
345 |
|
|
|
346 |
|
|
int width = text - tp; |
347 |
root |
1.84 |
int fwidth = term->fwidth * width; |
348 |
root |
1.1 |
|
349 |
root |
1.79 |
if (0x2500 <= t && t <= 0x259f) |
350 |
root |
1.1 |
{ |
351 |
|
|
uint16_t offs = linedraw_offs[t - 0x2500]; |
352 |
|
|
uint32_t *a = linedraw_command + (offs >> 4); |
353 |
|
|
uint32_t *b = a + (offs & 15); |
354 |
|
|
|
355 |
root |
1.56 |
int W = fwidth; |
356 |
root |
1.84 |
int H = term->fheight; |
357 |
root |
1.1 |
|
358 |
|
|
int x_[16]; |
359 |
|
|
int y_[16]; |
360 |
|
|
|
361 |
|
|
for (int i = 0; i <= 8; i++) |
362 |
|
|
{ |
363 |
|
|
x_[i] = x + ((W-1) * i + (i*7/8)) / 8; |
364 |
|
|
y_[i] = y + ((H-1) * i + (i*7/8)) / 8; |
365 |
|
|
} |
366 |
|
|
|
367 |
|
|
x_[10] = x + (W - 1) / 2; x_[9] = x_[10] - 1; x_[11] = x_[10] + 1; |
368 |
|
|
y_[10] = y + (H - 1) / 2; y_[9] = y_[10] - 1; y_[11] = y_[10] + 1; |
369 |
|
|
|
370 |
|
|
XGCValues gcv; |
371 |
|
|
|
372 |
|
|
gcv.cap_style = CapButt; |
373 |
|
|
gcv.line_width = 0; |
374 |
root |
1.84 |
XChangeGC (disp, gc, GCLineWidth | GCCapStyle, &gcv); |
375 |
root |
1.1 |
|
376 |
|
|
while (a < b) |
377 |
|
|
{ |
378 |
|
|
uint32_t command = *a++; |
379 |
|
|
|
380 |
|
|
int op = (command >> 24) & 255; |
381 |
|
|
int a = (command >> 20) & 15; |
382 |
|
|
int b = (command >> 16) & 15; |
383 |
|
|
int x1 = x_[(command >> 12) & 15]; |
384 |
|
|
int y1 = y_[(command >> 8) & 15]; |
385 |
|
|
int x2 = x_[(command >> 4) & 15]; |
386 |
|
|
int y2 = y_[(command >> 0) & 15]; |
387 |
|
|
|
388 |
|
|
switch (op) |
389 |
|
|
{ |
390 |
|
|
case 0: // line |
391 |
root |
1.84 |
XDrawLine (disp, d, gc, x1, y1, x2, y2); |
392 |
root |
1.1 |
break; |
393 |
|
|
|
394 |
|
|
case 1: // rectangle, possibly stippled |
395 |
|
|
if (a) |
396 |
|
|
{ |
397 |
|
|
static char bm[] = { 0,0 , 3,1 , 1,2 , 1,0 }; |
398 |
|
|
|
399 |
|
|
gcv.fill_style = FillStippled; |
400 |
root |
1.66 |
gcv.stipple = XCreateBitmapFromData (disp, d, bm + a * 2, 2, 2); |
401 |
root |
1.1 |
gcv.ts_x_origin = x; |
402 |
|
|
gcv.ts_y_origin = y; |
403 |
|
|
|
404 |
root |
1.84 |
XChangeGC (disp, gc, |
405 |
root |
1.1 |
GCFillStyle | GCStipple | GCTileStipXOrigin | GCTileStipYOrigin, |
406 |
|
|
&gcv); |
407 |
|
|
} |
408 |
|
|
|
409 |
root |
1.84 |
XFillRectangle (disp, d, gc, x1, y1, x2 - x1 + 1, y2 - y1 + 1); |
410 |
root |
1.1 |
|
411 |
|
|
if (a) |
412 |
|
|
{ |
413 |
root |
1.66 |
XFreePixmap (disp, gcv.stipple); |
414 |
root |
1.1 |
gcv.stipple = 0; |
415 |
|
|
gcv.fill_style = FillSolid; |
416 |
root |
1.84 |
XChangeGC (disp, gc, GCFillStyle, &gcv); |
417 |
root |
1.1 |
} |
418 |
|
|
break; |
419 |
|
|
case 2: // arc |
420 |
root |
1.84 |
XDrawArc (disp, d, gc, |
421 |
root |
1.1 |
x1 - W/2, y1 - H/2, W-1, H-1, |
422 |
|
|
(a - 1) * 90*64, (b - 1) * 90*64); |
423 |
|
|
break; |
424 |
|
|
} |
425 |
|
|
} |
426 |
|
|
} |
427 |
|
|
#if ENABLE_COMBINING |
428 |
|
|
else if (IS_COMPOSE (t) && (cc = rxvt_composite[t])) |
429 |
|
|
{ |
430 |
root |
1.56 |
text_t chrs[2]; |
431 |
|
|
width = min (2, width); |
432 |
|
|
chrs [1] = NOCHAR; |
433 |
|
|
|
434 |
|
|
*chrs = cc->c1; |
435 |
|
|
rxvt_font *f1 = (*fs)[fs->find_font (cc->c1)]; |
436 |
|
|
f1->draw (d, x, y, chrs, width, fg, bg); |
437 |
root |
1.46 |
|
438 |
root |
1.1 |
if (cc->c2 != NOCHAR) |
439 |
|
|
{ |
440 |
root |
1.46 |
bool careful; |
441 |
|
|
|
442 |
root |
1.1 |
// prefer font of first character, for no good reasons |
443 |
root |
1.56 |
*chrs = cc->c2; |
444 |
|
|
rxvt_font *f2 = (f1->has_char (cc->c2, 0, careful) && !careful) |
445 |
root |
1.2 |
? f1 |
446 |
root |
1.56 |
: (*fs)[fs->find_font (cc->c2)]; |
447 |
root |
1.1 |
|
448 |
root |
1.56 |
f2->draw (d, x, y, chrs, width, fg, -1); |
449 |
root |
1.1 |
} |
450 |
|
|
} |
451 |
|
|
#endif |
452 |
|
|
else |
453 |
|
|
switch (t) |
454 |
|
|
{ |
455 |
root |
1.41 |
case '\t': |
456 |
root |
1.1 |
case ZERO_WIDTH_CHAR: |
457 |
root |
1.41 |
case NOCHAR: |
458 |
root |
1.1 |
break; |
459 |
|
|
|
460 |
|
|
default: |
461 |
root |
1.84 |
XDrawRectangle (disp, d, gc, x + 2, y + 2, |
462 |
|
|
fwidth - 4, term->fheight - 4); |
463 |
root |
1.1 |
} |
464 |
|
|
|
465 |
root |
1.56 |
x += fwidth; |
466 |
root |
1.1 |
} |
467 |
|
|
} |
468 |
|
|
|
469 |
|
|
///////////////////////////////////////////////////////////////////////////// |
470 |
|
|
|
471 |
|
|
struct rxvt_font_x11 : rxvt_font { |
472 |
|
|
rxvt_font_x11 () { f = 0; } |
473 |
|
|
|
474 |
|
|
void clear (); |
475 |
|
|
|
476 |
|
|
rxvt_fontprop properties (); |
477 |
|
|
|
478 |
|
|
bool load (const rxvt_fontprop &prop); |
479 |
|
|
|
480 |
root |
1.84 |
bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const; |
481 |
root |
1.1 |
|
482 |
|
|
void draw (rxvt_drawable &d, int x, int y, |
483 |
|
|
const text_t *text, int len, |
484 |
|
|
int fg, int bg); |
485 |
|
|
|
486 |
root |
1.41 |
bool slow; // wether this is a proportional font or has other funny characteristics |
487 |
root |
1.1 |
XFontStruct *f; |
488 |
|
|
codeset cs; |
489 |
|
|
bool enc2b, encm; |
490 |
|
|
|
491 |
|
|
char *get_property (XFontStruct *f, const char *property, const char *repl) const; |
492 |
|
|
bool set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth); |
493 |
|
|
bool set_properties (rxvt_fontprop &p, XFontStruct *f); |
494 |
|
|
bool set_properties (rxvt_fontprop &p, const char *name); |
495 |
|
|
}; |
496 |
|
|
|
497 |
|
|
char * |
498 |
|
|
rxvt_font_x11::get_property (XFontStruct *f, const char *property, const char *repl) const |
499 |
|
|
{ |
500 |
|
|
unsigned long value; |
501 |
|
|
|
502 |
root |
1.84 |
if (XGetFontProperty (f, XInternAtom (term->display->display, property, 0), &value)) |
503 |
|
|
return XGetAtomName (term->display->display, value); |
504 |
root |
1.1 |
else |
505 |
|
|
return rxvt_strdup (repl); |
506 |
|
|
} |
507 |
|
|
|
508 |
|
|
rxvt_fontprop |
509 |
|
|
rxvt_font_x11::properties () |
510 |
|
|
{ |
511 |
|
|
rxvt_fontprop p; |
512 |
|
|
set_properties (p, f); |
513 |
|
|
return p; |
514 |
|
|
} |
515 |
|
|
|
516 |
|
|
bool |
517 |
|
|
rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth) |
518 |
|
|
{ |
519 |
root |
1.41 |
p.width = avgwidth ? (avgwidth + 1) / 10 : (height + 1) / 2; |
520 |
root |
1.1 |
p.height = height; |
521 |
root |
1.76 |
p.ascent = rxvt_fontprop::unset; |
522 |
root |
1.1 |
p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium; |
523 |
|
|
p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic; |
524 |
|
|
|
525 |
|
|
return true; |
526 |
|
|
} |
527 |
|
|
|
528 |
|
|
bool |
529 |
|
|
rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f) |
530 |
|
|
{ |
531 |
|
|
unsigned long height; |
532 |
root |
1.64 |
|
533 |
|
|
#if 0 |
534 |
root |
1.84 |
if (!XGetFontProperty (f, XInternAtom (term->display->display, "PIXEL_SIZE", 0), &height)) |
535 |
root |
1.1 |
return false; |
536 |
root |
1.64 |
#else |
537 |
|
|
height = f->ascent + f->descent; |
538 |
|
|
#endif |
539 |
root |
1.1 |
|
540 |
|
|
unsigned long avgwidth; |
541 |
root |
1.84 |
if (!XGetFontProperty (f, XInternAtom (term->display->display, "AVERAGE_WIDTH", 0), &avgwidth)) |
542 |
root |
1.1 |
avgwidth = 0; |
543 |
|
|
|
544 |
|
|
char *weight = get_property (f, "WEIGHT_NAME", "medium"); |
545 |
|
|
char *slant = get_property (f, "SLANT", "r"); |
546 |
|
|
|
547 |
|
|
set_properties (p, height, weight, slant, avgwidth); |
548 |
|
|
|
549 |
|
|
free (weight); |
550 |
|
|
free (slant); |
551 |
|
|
|
552 |
root |
1.76 |
p.ascent = f->ascent; |
553 |
|
|
|
554 |
root |
1.1 |
return true; |
555 |
|
|
} |
556 |
|
|
|
557 |
|
|
bool |
558 |
|
|
rxvt_font_x11::set_properties (rxvt_fontprop &p, const char *name) |
559 |
|
|
{ |
560 |
root |
1.84 |
dTermDisplay; |
561 |
root |
1.1 |
int slashes = 0; |
562 |
|
|
const char *comp[13]; |
563 |
|
|
|
564 |
|
|
for (const char *c = name; *c; c++) |
565 |
|
|
if (*c == '-') |
566 |
|
|
{ |
567 |
|
|
comp[slashes++] = c + 1; |
568 |
|
|
if (slashes >= 13) |
569 |
|
|
break; |
570 |
|
|
} |
571 |
|
|
|
572 |
|
|
/* can we short-circuit the costly XLoadQueryFont? */ |
573 |
|
|
if (slashes >= 13 |
574 |
|
|
&& (*comp[ 6] >= '1' && *comp[ 6] <= '9') |
575 |
|
|
&& (*comp[11] >= '0' && *comp[11] <= '9')) |
576 |
|
|
return set_properties (p, atoi (comp[6]), comp[2], comp[3], atoi (comp[11])); |
577 |
|
|
|
578 |
root |
1.84 |
XFontStruct *f = XLoadQueryFont (disp, name); |
579 |
root |
1.1 |
|
580 |
|
|
if (f) |
581 |
|
|
{ |
582 |
|
|
// the font should really exist now. if not, we have a problem |
583 |
|
|
// (e.g. if the user did xset fp rehash just when we were searching fonts). |
584 |
|
|
// in that case, just return garbage. |
585 |
|
|
bool ret = set_properties (p, f); |
586 |
root |
1.84 |
XFreeFont (disp, f); |
587 |
root |
1.1 |
return ret; |
588 |
|
|
} |
589 |
|
|
else |
590 |
|
|
return false; |
591 |
|
|
} |
592 |
|
|
|
593 |
|
|
// fix the size of scalable fonts |
594 |
root |
1.41 |
static bool |
595 |
|
|
replace_field (char *buf, const char *name, int index, const char old, const char *replace) |
596 |
root |
1.1 |
{ |
597 |
|
|
int slashes = 0; |
598 |
root |
1.41 |
const char *field, *end; |
599 |
root |
1.1 |
|
600 |
|
|
for (const char *c = name; *c; c++) |
601 |
|
|
if (*c == '-') |
602 |
|
|
{ |
603 |
root |
1.41 |
if (slashes == index) |
604 |
|
|
field = c + 1; |
605 |
|
|
|
606 |
|
|
if (slashes == index + 1) |
607 |
|
|
end = c; |
608 |
root |
1.1 |
|
609 |
|
|
if (++slashes >= 13) |
610 |
|
|
break; |
611 |
|
|
} |
612 |
|
|
|
613 |
root |
1.41 |
if (slashes >= 13 && (!old || *field == old)) |
614 |
root |
1.1 |
{ |
615 |
root |
1.41 |
// TODO: check for overflow in font-name |
616 |
|
|
strncpy (buf, name, field - name); |
617 |
|
|
buf += field - name; |
618 |
|
|
strcpy (buf, replace); |
619 |
|
|
strcat (buf, end); |
620 |
|
|
|
621 |
|
|
return true; |
622 |
root |
1.1 |
} |
623 |
|
|
else |
624 |
root |
1.41 |
{ |
625 |
|
|
strcpy (buf, name); |
626 |
|
|
|
627 |
|
|
return false; |
628 |
|
|
} |
629 |
root |
1.1 |
} |
630 |
|
|
|
631 |
|
|
bool |
632 |
|
|
rxvt_font_x11::load (const rxvt_fontprop &prop) |
633 |
|
|
{ |
634 |
root |
1.84 |
dTermDisplay; |
635 |
root |
1.66 |
|
636 |
root |
1.1 |
clear (); |
637 |
|
|
|
638 |
root |
1.41 |
char field_str[64]; // enough for 128 bits |
639 |
|
|
|
640 |
|
|
// first morph the font if required |
641 |
|
|
if (prop.weight != rxvt_fontprop::unset |
642 |
|
|
|| prop.slant != rxvt_fontprop::unset) |
643 |
|
|
{ |
644 |
|
|
char fname[1024]; |
645 |
|
|
|
646 |
|
|
if (name[0] != '-') |
647 |
|
|
{ |
648 |
root |
1.66 |
f = XLoadQueryFont (disp, name); |
649 |
root |
1.41 |
|
650 |
|
|
if (!f) |
651 |
|
|
return false; |
652 |
|
|
|
653 |
|
|
char *new_name = get_property (f, "FONT", name); |
654 |
|
|
|
655 |
|
|
if (new_name) |
656 |
|
|
set_name (new_name); |
657 |
|
|
else |
658 |
|
|
rxvt_warn ("font '%s' has no FONT property, continuing without.", name); |
659 |
|
|
|
660 |
root |
1.66 |
XFreeFont (disp, f); |
661 |
root |
1.41 |
f = 0; |
662 |
|
|
} |
663 |
|
|
|
664 |
|
|
if (prop.weight != rxvt_fontprop::unset) |
665 |
|
|
{ |
666 |
|
|
replace_field (fname, name, 2, 0, |
667 |
|
|
prop.weight < rxvt_fontprop::bold |
668 |
|
|
? "medium" : "bold"); |
669 |
|
|
set_name (strdup (fname)); |
670 |
|
|
} |
671 |
|
|
|
672 |
|
|
if (prop.slant != rxvt_fontprop::unset) |
673 |
|
|
{ |
674 |
|
|
replace_field (fname, name, 3, 0, |
675 |
|
|
prop.slant < rxvt_fontprop::italic |
676 |
|
|
? "r" : "i"); // TODO: handle "o"blique, too |
677 |
|
|
set_name (strdup (fname)); |
678 |
|
|
} |
679 |
|
|
} |
680 |
|
|
|
681 |
root |
1.64 |
sprintf (field_str, "%d", prop.height == rxvt_fontprop::unset |
682 |
|
|
? 0 : prop.height); |
683 |
|
|
|
684 |
|
|
struct font_weight { |
685 |
|
|
char *name; |
686 |
|
|
int diff; |
687 |
|
|
|
688 |
|
|
void clear () |
689 |
|
|
{ |
690 |
|
|
name = 0; |
691 |
|
|
diff = 0x7fffffff; |
692 |
|
|
} |
693 |
|
|
|
694 |
|
|
font_weight () { clear (); } |
695 |
|
|
~font_weight () { free (name); } |
696 |
|
|
}; |
697 |
|
|
|
698 |
root |
1.1 |
char **list; |
699 |
|
|
int count; |
700 |
root |
1.66 |
list = XListFonts (disp, name, 4000, &count); |
701 |
root |
1.41 |
|
702 |
root |
1.1 |
set_name (0); |
703 |
|
|
|
704 |
|
|
if (!list) |
705 |
|
|
return false; |
706 |
|
|
|
707 |
root |
1.64 |
font_weight *fonts = new font_weight[count]; |
708 |
root |
1.41 |
|
709 |
root |
1.1 |
for (int i = 0; i < count; i++) |
710 |
|
|
{ |
711 |
|
|
rxvt_fontprop p; |
712 |
|
|
char fname[1024]; |
713 |
root |
1.41 |
|
714 |
|
|
int diff = 0; |
715 |
root |
1.48 |
|
716 |
root |
1.41 |
if (replace_field (fname, list[i], 6, '0', field_str)) |
717 |
|
|
diff += 10; // slightly penalize scalable fonts |
718 |
root |
1.68 |
else if (replace_field (fname, list[i], 11, '0', "0")) |
719 |
root |
1.84 |
diff += 300; // more heavily penalize what looks like scaled bitmap fonts |
720 |
root |
1.1 |
|
721 |
|
|
if (!set_properties (p, fname)) |
722 |
|
|
continue; |
723 |
|
|
|
724 |
root |
1.41 |
if (prop.height != rxvt_fontprop::unset |
725 |
|
|
&& p.height > prop.height) // weed out too large fonts |
726 |
root |
1.1 |
continue; |
727 |
|
|
|
728 |
root |
1.41 |
if (prop.height != rxvt_fontprop::unset) diff += (prop.height - p.height) * 128; |
729 |
|
|
if (prop.weight != rxvt_fontprop::unset) diff += abs (prop.weight - p.weight); |
730 |
|
|
if (prop.slant != rxvt_fontprop::unset) diff += abs (prop.slant - p.slant); |
731 |
|
|
//if (prop.width != rxvt_fontprop::unset) diff += abs (prop.width - p.width); |
732 |
root |
1.1 |
|
733 |
root |
1.64 |
fonts[i].name = strdup (fname); |
734 |
|
|
fonts[i].diff = diff; |
735 |
root |
1.1 |
} |
736 |
|
|
|
737 |
|
|
XFreeFontNames (list); |
738 |
|
|
|
739 |
root |
1.64 |
// this loop only iterates when the guessed font-size is too small |
740 |
|
|
for (;;) |
741 |
|
|
{ |
742 |
|
|
font_weight *best = fonts + count - 1; |
743 |
|
|
|
744 |
|
|
for (font_weight *w = best; w-- > fonts; ) |
745 |
root |
1.68 |
if (w->diff <= best->diff) |
746 |
root |
1.64 |
best = w; |
747 |
|
|
|
748 |
|
|
if (!best->name |
749 |
root |
1.66 |
|| !(f = XLoadQueryFont (disp, best->name))) |
750 |
root |
1.64 |
break; |
751 |
|
|
|
752 |
|
|
set_name (best->name); |
753 |
|
|
best->clear (); |
754 |
|
|
|
755 |
|
|
ascent = f->ascent; |
756 |
|
|
descent = f->descent; |
757 |
|
|
height = ascent + descent; |
758 |
|
|
|
759 |
|
|
if (prop.height == rxvt_fontprop::unset |
760 |
|
|
|| height <= prop.height) |
761 |
|
|
break; // font is ready for use |
762 |
|
|
|
763 |
|
|
// PIXEL_SIZE small enough, but real height too large |
764 |
|
|
clear (); |
765 |
|
|
} |
766 |
root |
1.1 |
|
767 |
root |
1.64 |
delete [] fonts; |
768 |
root |
1.1 |
|
769 |
|
|
if (!f) |
770 |
|
|
return false; |
771 |
|
|
|
772 |
|
|
char *registry = get_property (f, "CHARSET_REGISTRY", 0); |
773 |
|
|
char *encoding = get_property (f, "CHARSET_ENCODING", 0); |
774 |
|
|
|
775 |
|
|
if (registry && encoding) |
776 |
|
|
{ |
777 |
|
|
char charset[64]; |
778 |
|
|
snprintf (charset, 64, "%s-%s", registry, encoding); |
779 |
|
|
|
780 |
|
|
cs = codeset_from_name (charset); |
781 |
|
|
} |
782 |
|
|
else |
783 |
|
|
{ |
784 |
|
|
const char *charset = get_property (f, "FONT", 0); |
785 |
|
|
|
786 |
|
|
if (!charset) |
787 |
|
|
charset = name; |
788 |
|
|
|
789 |
|
|
int count = 13; |
790 |
|
|
while (*charset) |
791 |
|
|
if (*charset++ == '-' && !--count) |
792 |
|
|
break; |
793 |
|
|
|
794 |
|
|
cs = codeset_from_name (charset); |
795 |
|
|
} |
796 |
|
|
|
797 |
|
|
free (registry); |
798 |
|
|
free (encoding); |
799 |
|
|
|
800 |
|
|
if (cs == CS_UNICODE) |
801 |
|
|
cs = CS_UNICODE_16; // X11 can have a max. of 65536 chars per font |
802 |
|
|
|
803 |
|
|
encm = f->min_byte1 != 0 || f->max_byte1 != 0; |
804 |
|
|
enc2b = encm || f->max_char_or_byte2 > 255; |
805 |
|
|
|
806 |
|
|
slow = false; |
807 |
|
|
|
808 |
root |
1.41 |
#if 1 // only used for slow detection, TODO optimize |
809 |
root |
1.1 |
if (f->min_bounds.width == f->max_bounds.width) |
810 |
|
|
width = f->min_bounds.width; |
811 |
|
|
else if (f->per_char == NULL) |
812 |
|
|
width = f->max_bounds.width; |
813 |
|
|
else |
814 |
|
|
{ |
815 |
|
|
slow = true; |
816 |
|
|
|
817 |
|
|
int N = f->max_char_or_byte2 - f->min_char_or_byte2; |
818 |
|
|
|
819 |
|
|
if (encm) |
820 |
|
|
N += (f->max_byte1 - f->min_byte1) |
821 |
|
|
* (f->max_char_or_byte2 - f->min_char_or_byte2 + 1); |
822 |
|
|
|
823 |
|
|
while (N) |
824 |
|
|
{ |
825 |
|
|
if (f->per_char[N].width > width) |
826 |
|
|
width = f->per_char[N].width; |
827 |
|
|
|
828 |
|
|
--N; |
829 |
|
|
} |
830 |
|
|
} |
831 |
root |
1.41 |
#endif |
832 |
|
|
|
833 |
|
|
width = 1; |
834 |
|
|
|
835 |
|
|
for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; ) |
836 |
|
|
{ |
837 |
|
|
if (cs != CS_UNICODE |
838 |
|
|
&& *t > 0x100 |
839 |
|
|
&& FROM_UNICODE (cs, *t) == NOCHAR) |
840 |
|
|
continue; |
841 |
|
|
|
842 |
|
|
// ignore characters we wouldn't use anyways |
843 |
|
|
bool careful; |
844 |
|
|
if (!has_char (*t, &prop, careful)) |
845 |
|
|
continue; |
846 |
|
|
|
847 |
|
|
XChar2b ch = { *t >> 8, *t }; |
848 |
|
|
|
849 |
|
|
XCharStruct g; |
850 |
|
|
int dir_ret, asc_ret, des_ret; |
851 |
|
|
XTextExtents16 (f, &ch, 1, &dir_ret, &asc_ret, &des_ret, &g); |
852 |
|
|
|
853 |
root |
1.72 |
int wcw = wcwidth (*t); if (wcw > 0) g.width = (g.width + wcw - 1) / wcw; |
854 |
root |
1.41 |
|
855 |
|
|
if (width < g.width) width = g.width; |
856 |
|
|
} |
857 |
root |
1.1 |
|
858 |
|
|
if (cs == CS_UNKNOWN) |
859 |
|
|
{ |
860 |
|
|
fprintf (stderr, "unable to deduce codeset, ignoring font '%s'\n", name); |
861 |
|
|
|
862 |
|
|
clear (); |
863 |
root |
1.41 |
return false; |
864 |
|
|
} |
865 |
root |
1.1 |
|
866 |
root |
1.41 |
#if 0 // do it per-character |
867 |
|
|
if (prop && width > prop->width) |
868 |
|
|
{ |
869 |
|
|
clear (); |
870 |
root |
1.1 |
return false; |
871 |
|
|
} |
872 |
root |
1.41 |
#endif |
873 |
root |
1.1 |
|
874 |
|
|
return true; |
875 |
|
|
} |
876 |
|
|
|
877 |
|
|
void |
878 |
|
|
rxvt_font_x11::clear () |
879 |
|
|
{ |
880 |
|
|
if (f) |
881 |
|
|
{ |
882 |
root |
1.84 |
XFreeFont (term->display->display, f); |
883 |
root |
1.1 |
f = 0; |
884 |
|
|
} |
885 |
|
|
} |
886 |
|
|
|
887 |
|
|
bool |
888 |
root |
1.84 |
rxvt_font_x11::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const |
889 |
root |
1.1 |
{ |
890 |
|
|
uint32_t ch = FROM_UNICODE (cs, unicode); |
891 |
|
|
|
892 |
|
|
if (ch == NOCHAR) |
893 |
|
|
return false; |
894 |
|
|
|
895 |
|
|
/* check wether the character exists in _this_ font. horrible. */ |
896 |
|
|
XCharStruct *xcs; |
897 |
|
|
|
898 |
|
|
if (encm) |
899 |
|
|
{ |
900 |
|
|
unsigned char byte1 = ch >> 8; |
901 |
|
|
unsigned char byte2 = ch & 255; |
902 |
|
|
|
903 |
|
|
if (byte1 < f->min_byte1 || byte1 > f->max_byte1 |
904 |
|
|
|| byte2 < f->min_char_or_byte2 || byte2 > f->max_char_or_byte2) |
905 |
|
|
return false; |
906 |
|
|
|
907 |
root |
1.41 |
if (f->per_char) |
908 |
|
|
{ |
909 |
|
|
int D = f->max_char_or_byte2 - f->min_char_or_byte2 + 1; |
910 |
|
|
int N = (byte1 - f->min_byte1) * D + byte2 - f->min_char_or_byte2; |
911 |
root |
1.1 |
|
912 |
root |
1.41 |
xcs = f->per_char + N; |
913 |
|
|
} |
914 |
|
|
else |
915 |
|
|
xcs = &f->max_bounds; |
916 |
root |
1.1 |
} |
917 |
|
|
else |
918 |
|
|
{ |
919 |
|
|
if (ch < f->min_char_or_byte2 || ch > f->max_char_or_byte2) |
920 |
|
|
return false; |
921 |
|
|
|
922 |
root |
1.41 |
if (f->per_char) |
923 |
|
|
xcs = f->per_char + (ch - f->min_char_or_byte2); |
924 |
|
|
else |
925 |
|
|
xcs = &f->max_bounds; |
926 |
root |
1.1 |
} |
927 |
|
|
|
928 |
|
|
if (xcs->lbearing == 0 && xcs->rbearing == 0 && xcs->width == 0 |
929 |
|
|
&& xcs->ascent == 0 && xcs->descent == 0) |
930 |
|
|
return false; |
931 |
|
|
|
932 |
root |
1.41 |
if (!prop || prop->width == rxvt_fontprop::unset) |
933 |
|
|
return true; |
934 |
|
|
|
935 |
|
|
// check character against base font bounding box |
936 |
|
|
int w = xcs->width; |
937 |
|
|
int wcw = wcwidth (unicode); |
938 |
root |
1.72 |
if (wcw > 0) w = (w + wcw - 1) / wcw; |
939 |
root |
1.41 |
|
940 |
|
|
careful = w > prop->width; |
941 |
|
|
if (careful && w > prop->width * MAX_OVERLAP >> 2) |
942 |
|
|
return false; |
943 |
|
|
|
944 |
root |
1.1 |
return true; |
945 |
|
|
} |
946 |
|
|
|
947 |
|
|
void |
948 |
|
|
rxvt_font_x11::draw (rxvt_drawable &d, int x, int y, |
949 |
|
|
const text_t *text, int len, |
950 |
|
|
int fg, int bg) |
951 |
|
|
{ |
952 |
|
|
// this looks like a mess /. |
953 |
|
|
// and it is a mess /. |
954 |
|
|
// yet we are trying to be perfect /. |
955 |
|
|
// but the result still isn't perfect /. |
956 |
|
|
|
957 |
root |
1.84 |
dTermDisplay; |
958 |
|
|
dTermGC; |
959 |
|
|
|
960 |
root |
1.1 |
bool slow = this->slow |
961 |
root |
1.84 |
|| width != term->fwidth |
962 |
|
|
|| height != term->fheight; |
963 |
root |
1.1 |
|
964 |
root |
1.84 |
int base = ascent; // sorry, incorrect: term->fbase; |
965 |
root |
1.1 |
|
966 |
|
|
XGCValues v; |
967 |
root |
1.84 |
v.foreground = term->pix_colors[fg]; |
968 |
root |
1.1 |
v.font = f->fid; |
969 |
|
|
|
970 |
|
|
if (enc2b) |
971 |
|
|
{ |
972 |
|
|
const XChar2b *xc = enc_xchar2b (text, len, cs, slow); |
973 |
|
|
|
974 |
|
|
if (bg == Color_bg && !slow) |
975 |
|
|
{ |
976 |
root |
1.84 |
v.background = term->pix_colors[bg]; |
977 |
|
|
XChangeGC (disp, gc, GCForeground | GCBackground | GCFont, &v); |
978 |
|
|
XDrawImageString16 (disp, d, gc, x, y + base, xc, len); |
979 |
root |
1.1 |
} |
980 |
|
|
else |
981 |
|
|
{ |
982 |
root |
1.84 |
clear_rect (d, x, y, term->fwidth * len, term->fheight, bg); |
983 |
root |
1.1 |
|
984 |
root |
1.84 |
XChangeGC (disp, gc, GCForeground | GCFont, &v); |
985 |
root |
1.1 |
|
986 |
|
|
if (slow) |
987 |
|
|
{ |
988 |
|
|
do |
989 |
|
|
{ |
990 |
|
|
if (xc->byte1 || xc->byte2) |
991 |
root |
1.84 |
XDrawString16 (disp, d, gc, x, y + base, xc, 1); |
992 |
root |
1.1 |
|
993 |
root |
1.84 |
x += term->fwidth; |
994 |
root |
1.1 |
xc++; len--; |
995 |
|
|
} |
996 |
|
|
while (len); |
997 |
|
|
} |
998 |
|
|
else |
999 |
root |
1.84 |
XDrawString16 (disp, d, gc, x, y + base, xc, len); |
1000 |
root |
1.1 |
} |
1001 |
|
|
} |
1002 |
|
|
else |
1003 |
|
|
{ |
1004 |
|
|
const char *xc = enc_char (text, len, cs, slow); |
1005 |
|
|
|
1006 |
|
|
if (bg == Color_bg && !slow) |
1007 |
|
|
{ |
1008 |
root |
1.84 |
v.background = term->pix_colors[bg]; |
1009 |
|
|
XChangeGC (disp, gc, GCForeground | GCBackground | GCFont, &v); |
1010 |
|
|
XDrawImageString (disp, d, gc, x, y + base, xc, len); |
1011 |
root |
1.1 |
} |
1012 |
|
|
else |
1013 |
|
|
{ |
1014 |
root |
1.84 |
clear_rect (d, x, y, term->fwidth * len, term->fheight, bg); |
1015 |
root |
1.1 |
|
1016 |
root |
1.84 |
XChangeGC (disp, gc, GCForeground | GCFont, &v); |
1017 |
root |
1.1 |
|
1018 |
|
|
if (slow) |
1019 |
|
|
{ |
1020 |
|
|
do |
1021 |
|
|
{ |
1022 |
|
|
if (*xc) |
1023 |
root |
1.84 |
XDrawString (disp, d, gc, x, y + base, xc, 1); |
1024 |
root |
1.1 |
|
1025 |
root |
1.84 |
x += term->fwidth; |
1026 |
root |
1.1 |
xc++; len--; |
1027 |
|
|
} |
1028 |
|
|
while (len); |
1029 |
|
|
} |
1030 |
|
|
else |
1031 |
root |
1.84 |
XDrawString (disp, d, gc, x, y + base, xc, len); |
1032 |
root |
1.1 |
} |
1033 |
|
|
} |
1034 |
|
|
} |
1035 |
|
|
|
1036 |
|
|
///////////////////////////////////////////////////////////////////////////// |
1037 |
|
|
|
1038 |
|
|
#if XFT |
1039 |
|
|
|
1040 |
|
|
struct rxvt_font_xft : rxvt_font { |
1041 |
|
|
rxvt_font_xft () { f = 0; } |
1042 |
|
|
|
1043 |
|
|
void clear (); |
1044 |
|
|
|
1045 |
|
|
rxvt_fontprop properties (); |
1046 |
|
|
|
1047 |
|
|
bool load (const rxvt_fontprop &prop); |
1048 |
|
|
|
1049 |
|
|
void draw (rxvt_drawable &d, int x, int y, |
1050 |
|
|
const text_t *text, int len, |
1051 |
|
|
int fg, int bg); |
1052 |
|
|
|
1053 |
root |
1.84 |
bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &carefull) const; |
1054 |
root |
1.1 |
|
1055 |
|
|
protected: |
1056 |
|
|
XftFont *f; |
1057 |
|
|
}; |
1058 |
|
|
|
1059 |
|
|
void |
1060 |
|
|
rxvt_font_xft::clear () |
1061 |
|
|
{ |
1062 |
|
|
if (f) |
1063 |
|
|
{ |
1064 |
root |
1.84 |
XftFontClose (term->display->display, f); |
1065 |
root |
1.1 |
f = 0; |
1066 |
|
|
} |
1067 |
|
|
} |
1068 |
|
|
|
1069 |
|
|
rxvt_fontprop |
1070 |
|
|
rxvt_font_xft::properties () |
1071 |
|
|
{ |
1072 |
|
|
rxvt_fontprop p; |
1073 |
|
|
|
1074 |
|
|
FT_Face face = XftLockFace (f); |
1075 |
|
|
|
1076 |
|
|
p.width = width; |
1077 |
|
|
p.height = height; |
1078 |
root |
1.76 |
p.ascent = ascent; |
1079 |
root |
1.1 |
p.weight = face->style_flags & FT_STYLE_FLAG_BOLD |
1080 |
|
|
? rxvt_fontprop::bold : rxvt_fontprop::medium; |
1081 |
|
|
p.slant = face->style_flags & FT_STYLE_FLAG_ITALIC |
1082 |
|
|
? rxvt_fontprop::italic : rxvt_fontprop::roman; |
1083 |
|
|
|
1084 |
|
|
XftUnlockFace (f); |
1085 |
|
|
|
1086 |
|
|
return p; |
1087 |
|
|
} |
1088 |
|
|
|
1089 |
|
|
bool |
1090 |
|
|
rxvt_font_xft::load (const rxvt_fontprop &prop) |
1091 |
|
|
{ |
1092 |
root |
1.84 |
dTermDisplay; |
1093 |
root |
1.66 |
|
1094 |
root |
1.1 |
clear (); |
1095 |
|
|
|
1096 |
|
|
FcPattern *p = FcNameParse ((FcChar8 *) name); |
1097 |
|
|
|
1098 |
|
|
if (!p) |
1099 |
|
|
return false; |
1100 |
|
|
|
1101 |
|
|
FcValue v; |
1102 |
|
|
|
1103 |
root |
1.41 |
if (prop.height != rxvt_fontprop::unset |
1104 |
root |
1.68 |
&& (FcPatternGet (p, FC_PIXEL_SIZE, 0, &v) != FcResultMatch |
1105 |
root |
1.50 |
&& FcPatternGet (p, FC_SIZE, 0, &v) != FcResultMatch)) |
1106 |
root |
1.1 |
FcPatternAddInteger (p, FC_PIXEL_SIZE, prop.height); |
1107 |
|
|
|
1108 |
root |
1.41 |
if (prop.weight != rxvt_fontprop::unset |
1109 |
|
|
&& FcPatternGet (p, FC_WEIGHT, 0, &v) != FcResultMatch) |
1110 |
root |
1.1 |
FcPatternAddInteger (p, FC_WEIGHT, prop.weight); |
1111 |
|
|
|
1112 |
root |
1.41 |
if (prop.slant != rxvt_fontprop::unset |
1113 |
|
|
&& FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch) |
1114 |
root |
1.1 |
FcPatternAddInteger (p, FC_SLANT, prop.slant); |
1115 |
|
|
|
1116 |
|
|
#if 0 // clipping unfortunately destroys our precious double-width-characters |
1117 |
|
|
// clip width, we can't do better, or can we? |
1118 |
|
|
if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch) |
1119 |
root |
1.41 |
FcPatternAddInteger (p, FC_CHAR_WIDTH, prop->width); |
1120 |
root |
1.1 |
#endif |
1121 |
|
|
|
1122 |
root |
1.41 |
if (FcPatternGet (p, FC_MINSPACE, 0, &v) != FcResultMatch) |
1123 |
|
|
FcPatternAddBool (p, FC_MINSPACE, 1); |
1124 |
|
|
|
1125 |
|
|
// store generated name so iso14755 view gives better results |
1126 |
|
|
set_name ((char *)FcNameUnparse (p)); |
1127 |
|
|
|
1128 |
root |
1.1 |
XftResult result; |
1129 |
root |
1.84 |
FcPattern *match = XftFontMatch (disp, term->display->screen, p, &result); |
1130 |
root |
1.1 |
|
1131 |
|
|
FcPatternDestroy (p); |
1132 |
|
|
|
1133 |
|
|
if (!match) |
1134 |
|
|
return false; |
1135 |
|
|
|
1136 |
root |
1.41 |
int ftheight = 0; |
1137 |
|
|
bool success = true; |
1138 |
root |
1.1 |
|
1139 |
root |
1.41 |
for (;;) |
1140 |
root |
1.1 |
{ |
1141 |
root |
1.66 |
f = XftFontOpenPattern (disp, FcPatternDuplicate (match)); |
1142 |
root |
1.41 |
|
1143 |
|
|
if (!f) |
1144 |
|
|
{ |
1145 |
|
|
success = false; |
1146 |
|
|
break; |
1147 |
|
|
} |
1148 |
|
|
|
1149 |
|
|
FT_Face face = XftLockFace (f); |
1150 |
|
|
|
1151 |
|
|
ascent = (face->size->metrics.ascender + 63) >> 6; |
1152 |
|
|
descent = (-face->size->metrics.descender + 63) >> 6; |
1153 |
|
|
height = max (ascent + descent, (face->size->metrics.height + 63) >> 6); |
1154 |
|
|
width = 0; |
1155 |
root |
1.1 |
|
1156 |
root |
1.41 |
bool scalable = face->face_flags & FT_FACE_FLAG_SCALABLE; |
1157 |
root |
1.1 |
|
1158 |
root |
1.41 |
XftUnlockFace (f); |
1159 |
root |
1.1 |
|
1160 |
root |
1.72 |
int glheight = height; |
1161 |
|
|
|
1162 |
root |
1.41 |
for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; ) |
1163 |
|
|
{ |
1164 |
|
|
FcChar16 ch = *t; |
1165 |
root |
1.1 |
|
1166 |
root |
1.41 |
if (cs != CS_UNICODE |
1167 |
|
|
&& ch > 0x100 |
1168 |
|
|
&& FROM_UNICODE (cs, ch) == NOCHAR) |
1169 |
|
|
continue; |
1170 |
|
|
|
1171 |
|
|
// ignore characters we wouldn't use anyways |
1172 |
|
|
bool careful; |
1173 |
|
|
if (!has_char (*t, &prop, careful)) |
1174 |
|
|
continue; |
1175 |
root |
1.1 |
|
1176 |
root |
1.41 |
XGlyphInfo g; |
1177 |
root |
1.66 |
XftTextExtents16 (disp, f, &ch, 1, &g); |
1178 |
root |
1.1 |
|
1179 |
root |
1.72 |
g.width -= g.x; |
1180 |
|
|
|
1181 |
root |
1.41 |
int wcw = wcwidth (ch); |
1182 |
root |
1.72 |
if (wcw > 0) g.width = (g.width + wcw - 1) / wcw; |
1183 |
root |
1.1 |
|
1184 |
root |
1.72 |
if (width < g.width ) width = g.width; |
1185 |
|
|
if (height < g.height ) height = g.height; |
1186 |
|
|
if (glheight < g.height - g.y) glheight = g.height - g.y; |
1187 |
root |
1.41 |
} |
1188 |
root |
1.1 |
|
1189 |
root |
1.74 |
if (!width) |
1190 |
|
|
{ |
1191 |
|
|
rxvt_warn ("unable to calculate font width for '%s', ignoring.\n", name); |
1192 |
|
|
|
1193 |
|
|
XftFontClose (disp, f); |
1194 |
|
|
f = 0; |
1195 |
|
|
|
1196 |
|
|
success = false; |
1197 |
|
|
break; |
1198 |
|
|
} |
1199 |
|
|
|
1200 |
root |
1.41 |
if (prop.height == rxvt_fontprop::unset |
1201 |
root |
1.72 |
|| (height <= prop.height && glheight <= prop.height) |
1202 |
root |
1.41 |
|| height <= 2 |
1203 |
|
|
|| !scalable) |
1204 |
root |
1.1 |
break; |
1205 |
|
|
|
1206 |
|
|
if (ftheight) |
1207 |
|
|
{ |
1208 |
|
|
// take smaller steps near the end |
1209 |
|
|
if (height > prop.height + 1) ftheight++; |
1210 |
|
|
if (height > prop.height + 2) ftheight++; |
1211 |
|
|
if (height > prop.height + 3) ftheight++; |
1212 |
|
|
|
1213 |
root |
1.41 |
ftheight -= height - prop.height; |
1214 |
root |
1.1 |
} |
1215 |
|
|
else |
1216 |
root |
1.41 |
ftheight = prop.height - 1; |
1217 |
|
|
|
1218 |
root |
1.74 |
XftFontClose (disp, f); |
1219 |
|
|
FcPatternDel (match, FC_PIXEL_SIZE); |
1220 |
|
|
FcPatternAddInteger (match, FC_PIXEL_SIZE, ftheight); |
1221 |
root |
1.1 |
} |
1222 |
|
|
|
1223 |
root |
1.41 |
FcPatternDestroy (match); |
1224 |
|
|
|
1225 |
|
|
#if 0 // do it per-character |
1226 |
|
|
if (prop.width != rxvt_fontprop::unset && width > prop.width) |
1227 |
|
|
{ |
1228 |
|
|
clear (); |
1229 |
|
|
success = false; |
1230 |
|
|
} |
1231 |
|
|
#endif |
1232 |
root |
1.1 |
|
1233 |
root |
1.41 |
return success; |
1234 |
root |
1.1 |
} |
1235 |
|
|
|
1236 |
|
|
bool |
1237 |
root |
1.84 |
rxvt_font_xft::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const |
1238 |
root |
1.1 |
{ |
1239 |
root |
1.41 |
careful = false; |
1240 |
|
|
|
1241 |
root |
1.84 |
if (!XftCharExists (term->display->display, f, unicode)) |
1242 |
root |
1.41 |
return false; |
1243 |
|
|
|
1244 |
|
|
if (!prop || prop->width == rxvt_fontprop::unset) |
1245 |
|
|
return true; |
1246 |
|
|
|
1247 |
|
|
// check character against base font bounding box |
1248 |
|
|
FcChar32 ch = unicode; |
1249 |
|
|
XGlyphInfo g; |
1250 |
root |
1.84 |
XftTextExtents32 (term->display->display, f, &ch, 1, &g); |
1251 |
root |
1.41 |
|
1252 |
root |
1.72 |
int w = g.width - g.x; |
1253 |
root |
1.41 |
int wcw = wcwidth (unicode); |
1254 |
root |
1.72 |
if (wcw > 0) w = (w + wcw - 1) / wcw; |
1255 |
root |
1.41 |
|
1256 |
|
|
careful = w > prop->width; |
1257 |
|
|
if (careful && w > prop->width * MAX_OVERLAP >> 2) |
1258 |
|
|
return false; |
1259 |
|
|
|
1260 |
|
|
return true; |
1261 |
root |
1.1 |
} |
1262 |
|
|
|
1263 |
|
|
void |
1264 |
|
|
rxvt_font_xft::draw (rxvt_drawable &d, int x, int y, |
1265 |
|
|
const text_t *text, int len, |
1266 |
|
|
int fg, int bg) |
1267 |
|
|
{ |
1268 |
root |
1.84 |
clear_rect (d, x, y, term->fwidth * len, term->fheight, bg); |
1269 |
|
|
|
1270 |
root |
1.41 |
XGlyphInfo extents; |
1271 |
root |
1.85 |
XftGlyphSpec *enc = (XftGlyphSpec *)rxvt_temp_buf (len * sizeof (XftGlyphSpec)); |
1272 |
root |
1.80 |
XftGlyphSpec *ep = enc; |
1273 |
|
|
|
1274 |
root |
1.84 |
dTermDisplay; |
1275 |
|
|
dTermGC; |
1276 |
root |
1.83 |
|
1277 |
root |
1.81 |
// cut trailing spaces |
1278 |
root |
1.80 |
while (len && text [len - 1] == ' ') |
1279 |
|
|
len--; |
1280 |
root |
1.41 |
|
1281 |
|
|
while (len) |
1282 |
|
|
{ |
1283 |
root |
1.84 |
int cwidth = term->fwidth; |
1284 |
root |
1.41 |
FcChar32 fc = *text++; len--; |
1285 |
|
|
|
1286 |
|
|
while (len && *text == NOCHAR) |
1287 |
root |
1.84 |
text++, len--, cwidth += term->fwidth; |
1288 |
root |
1.41 |
|
1289 |
root |
1.80 |
if (fc != ' ') // skip spaces |
1290 |
root |
1.71 |
{ |
1291 |
root |
1.84 |
FT_UInt glyph = XftCharIndex (disp, f, fc); |
1292 |
|
|
XftGlyphExtents (disp, f, &glyph, 1, &extents); |
1293 |
root |
1.71 |
|
1294 |
root |
1.82 |
ep->glyph = glyph; |
1295 |
root |
1.80 |
ep->x = x + (cwidth - extents.xOff >> 1); |
1296 |
root |
1.81 |
ep->y = y + ascent; |
1297 |
root |
1.80 |
ep++; |
1298 |
|
|
} |
1299 |
root |
1.1 |
|
1300 |
root |
1.80 |
x += cwidth; |
1301 |
root |
1.1 |
} |
1302 |
root |
1.41 |
|
1303 |
|
|
if (ep != enc) |
1304 |
root |
1.84 |
XftDrawGlyphSpec (d, &term->pix_colors[fg].c, f, enc, ep - enc); |
1305 |
root |
1.1 |
} |
1306 |
|
|
#endif |
1307 |
|
|
|
1308 |
|
|
///////////////////////////////////////////////////////////////////////////// |
1309 |
|
|
|
1310 |
root |
1.84 |
rxvt_fontset::rxvt_fontset (rxvt_term *term) |
1311 |
|
|
: fontdesc (0), term (term) |
1312 |
root |
1.1 |
{ |
1313 |
|
|
clear (); |
1314 |
|
|
} |
1315 |
|
|
|
1316 |
|
|
rxvt_fontset::~rxvt_fontset () |
1317 |
|
|
{ |
1318 |
|
|
clear (); |
1319 |
|
|
} |
1320 |
|
|
|
1321 |
|
|
void |
1322 |
|
|
rxvt_fontset::clear () |
1323 |
|
|
{ |
1324 |
root |
1.76 |
prop.width = prop.height = prop.ascent = prop.weight = prop.slant |
1325 |
root |
1.46 |
= rxvt_fontprop::unset; |
1326 |
|
|
|
1327 |
root |
1.1 |
for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++) |
1328 |
|
|
FONT_UNREF (*i); |
1329 |
|
|
|
1330 |
root |
1.41 |
for (pagemap **p = fmap.begin (); p != fmap.end (); p++) |
1331 |
|
|
delete *p; |
1332 |
|
|
|
1333 |
root |
1.1 |
free (fontdesc); fontdesc = 0; |
1334 |
|
|
|
1335 |
|
|
fonts.clear (); |
1336 |
|
|
|
1337 |
|
|
fallback = fallback_fonts; |
1338 |
|
|
} |
1339 |
|
|
|
1340 |
|
|
rxvt_font * |
1341 |
|
|
rxvt_fontset::new_font (const char *name, codeset cs) |
1342 |
|
|
{ |
1343 |
|
|
rxvt_font *f; |
1344 |
|
|
|
1345 |
|
|
if (!name || !*name) |
1346 |
|
|
{ |
1347 |
|
|
name = ""; |
1348 |
root |
1.41 |
f = new rxvt_font_default (this); |
1349 |
root |
1.1 |
} |
1350 |
|
|
#if XFT |
1351 |
|
|
else if (!strncmp (name, "xft:", 4)) |
1352 |
|
|
{ |
1353 |
|
|
name += 4; |
1354 |
root |
1.41 |
f = new rxvt_font_xft (); |
1355 |
root |
1.1 |
} |
1356 |
|
|
#endif |
1357 |
|
|
else if (!strncmp (name, "x:", 2)) |
1358 |
|
|
{ |
1359 |
|
|
name += 2; |
1360 |
|
|
f = new rxvt_font_x11; |
1361 |
|
|
} |
1362 |
|
|
else |
1363 |
|
|
f = new rxvt_font_x11; |
1364 |
|
|
|
1365 |
root |
1.84 |
f->set_term (term); |
1366 |
root |
1.1 |
f->set_name (strdup (name)); |
1367 |
|
|
|
1368 |
|
|
f->cs = cs; |
1369 |
|
|
f->loaded = false; |
1370 |
|
|
|
1371 |
|
|
return f; |
1372 |
|
|
} |
1373 |
|
|
|
1374 |
|
|
///////////////////////////////////////////////////////////////////////////// |
1375 |
|
|
|
1376 |
|
|
void |
1377 |
|
|
rxvt_fontset::add_fonts (const char *desc) |
1378 |
|
|
{ |
1379 |
|
|
if (desc) |
1380 |
|
|
{ |
1381 |
|
|
char buf[512]; |
1382 |
|
|
const char *end; |
1383 |
|
|
|
1384 |
|
|
do |
1385 |
|
|
{ |
1386 |
root |
1.67 |
while (*desc && *desc <= ' ') |
1387 |
|
|
desc++; |
1388 |
root |
1.1 |
|
1389 |
root |
1.41 |
codeset cs = CS_UNICODE; |
1390 |
|
|
|
1391 |
root |
1.1 |
if (*desc == '[') |
1392 |
|
|
{ |
1393 |
root |
1.41 |
char spec[256]; |
1394 |
|
|
const char *extra = ++desc; // not yet used |
1395 |
root |
1.1 |
|
1396 |
|
|
desc = strchr (desc, ']'); |
1397 |
|
|
|
1398 |
|
|
if (!desc) |
1399 |
|
|
{ |
1400 |
root |
1.41 |
rxvt_warn ("ERROR: opening '[' without closing ']' in font specification, trying to continue.\n"); |
1401 |
root |
1.1 |
break; |
1402 |
|
|
} |
1403 |
|
|
|
1404 |
root |
1.41 |
memcpy (spec, extra, min (desc - extra, 255)); |
1405 |
|
|
spec[min (desc - extra, 255)] = 0; |
1406 |
|
|
|
1407 |
|
|
if (!strncmp (extra, "codeset=", sizeof ("codeset=") - 1)) |
1408 |
|
|
cs = codeset_from_name (spec + sizeof ("codeset=") - 1); |
1409 |
|
|
else |
1410 |
|
|
rxvt_warn ("unknown parameter '%s' in font specification, skipping.\n", spec); |
1411 |
|
|
|
1412 |
root |
1.1 |
desc++; |
1413 |
|
|
while (*desc <= ' ') desc++; |
1414 |
|
|
} |
1415 |
|
|
|
1416 |
|
|
end = strchr (desc, ','); |
1417 |
|
|
if (!end) |
1418 |
|
|
end = desc + strlen (desc); |
1419 |
|
|
|
1420 |
|
|
if (end - desc < 511) |
1421 |
|
|
{ |
1422 |
|
|
strncpy (buf, desc, end - desc); |
1423 |
|
|
buf[end - desc] = 0; |
1424 |
|
|
|
1425 |
root |
1.41 |
fonts.push_back (new_font (buf, cs)); |
1426 |
root |
1.1 |
} |
1427 |
root |
1.41 |
else |
1428 |
|
|
rxvt_warn ("fontset element too long (>511 bytes), ignored."); |
1429 |
root |
1.1 |
|
1430 |
|
|
desc = end + 1; |
1431 |
|
|
} |
1432 |
|
|
while (*end); |
1433 |
|
|
} |
1434 |
|
|
} |
1435 |
|
|
|
1436 |
|
|
bool |
1437 |
|
|
rxvt_fontset::realize_font (int i) |
1438 |
|
|
{ |
1439 |
root |
1.41 |
if (i < 0 || i >= fonts.size ()) |
1440 |
|
|
return false; |
1441 |
|
|
|
1442 |
root |
1.1 |
if (fonts[i]->loaded) |
1443 |
|
|
return true; |
1444 |
|
|
|
1445 |
|
|
fonts[i]->loaded = true; |
1446 |
|
|
|
1447 |
root |
1.41 |
if (!fonts[i]->load (prop)) |
1448 |
root |
1.1 |
{ |
1449 |
|
|
fonts[i]->cs = CS_UNKNOWN; |
1450 |
|
|
return false; |
1451 |
|
|
} |
1452 |
|
|
|
1453 |
|
|
return true; |
1454 |
|
|
} |
1455 |
|
|
|
1456 |
|
|
bool |
1457 |
root |
1.46 |
rxvt_fontset::populate (const char *desc) |
1458 |
root |
1.1 |
{ |
1459 |
|
|
clear (); |
1460 |
|
|
|
1461 |
|
|
fontdesc = strdup (desc); |
1462 |
|
|
|
1463 |
|
|
fonts.push_back (new_font (0, CS_UNICODE)); |
1464 |
|
|
realize_font (0); |
1465 |
|
|
|
1466 |
|
|
add_fonts (desc); |
1467 |
|
|
|
1468 |
|
|
return true; |
1469 |
|
|
} |
1470 |
|
|
|
1471 |
|
|
int |
1472 |
|
|
rxvt_fontset::find_font (const char *name) const |
1473 |
|
|
{ |
1474 |
|
|
for (rxvt_font *const *f = fonts.begin (); f < fonts.end (); f++) |
1475 |
|
|
if ((*f)->name && !strcmp ((*f)->name, name)) |
1476 |
|
|
return f - fonts.begin (); |
1477 |
|
|
|
1478 |
|
|
return -1; |
1479 |
|
|
} |
1480 |
|
|
|
1481 |
|
|
int |
1482 |
root |
1.41 |
rxvt_fontset::find_font (unicode_t unicode) |
1483 |
root |
1.1 |
{ |
1484 |
root |
1.41 |
if (unicode >= 1<<20) |
1485 |
|
|
return 0; |
1486 |
|
|
|
1487 |
|
|
unicode_t hi = unicode >> 8; |
1488 |
|
|
|
1489 |
|
|
if (hi < fmap.size () |
1490 |
|
|
&& fmap[hi] |
1491 |
|
|
&& (*fmap[hi])[unicode & 0xff] != 0xff) |
1492 |
|
|
return (*fmap[hi])[unicode & 0xff]; |
1493 |
root |
1.1 |
|
1494 |
root |
1.41 |
unsigned int i; |
1495 |
|
|
|
1496 |
|
|
for (i = 0; i < fonts.size (); i++) |
1497 |
root |
1.1 |
{ |
1498 |
|
|
rxvt_font *f = fonts[i]; |
1499 |
|
|
|
1500 |
|
|
if (!f->loaded) |
1501 |
|
|
{ |
1502 |
|
|
if (FROM_UNICODE (f->cs, unicode) == NOCHAR) |
1503 |
|
|
goto next_font; |
1504 |
|
|
|
1505 |
|
|
if (!realize_font (i)) |
1506 |
|
|
goto next_font; |
1507 |
root |
1.76 |
|
1508 |
|
|
if (prop.ascent != rxvt_fontprop::unset) |
1509 |
|
|
max_it (f->ascent, prop.ascent); |
1510 |
root |
1.1 |
} |
1511 |
|
|
|
1512 |
|
|
if (f->cs == CS_UNKNOWN) |
1513 |
|
|
goto next_font; |
1514 |
|
|
|
1515 |
root |
1.41 |
bool careful; |
1516 |
|
|
if (f->has_char (unicode, &prop, careful)) |
1517 |
|
|
{ |
1518 |
|
|
if (careful) |
1519 |
|
|
i |= 128; |
1520 |
root |
1.1 |
|
1521 |
root |
1.41 |
goto found; |
1522 |
|
|
} |
1523 |
root |
1.1 |
|
1524 |
|
|
next_font: |
1525 |
|
|
if (i == fonts.size () - 1) |
1526 |
|
|
{ |
1527 |
|
|
if (fallback->name) |
1528 |
|
|
{ |
1529 |
|
|
// search through the fallback list |
1530 |
|
|
fonts.push_back (new_font (fallback->name, fallback->cs)); |
1531 |
|
|
fallback++; |
1532 |
|
|
} |
1533 |
root |
1.41 |
else |
1534 |
root |
1.1 |
{ |
1535 |
|
|
// try to find a new font. |
1536 |
|
|
// only xft currently supported, as there is no |
1537 |
|
|
// way to configure this and xft is easier to hack in, |
1538 |
|
|
// while x11 has more framework in place already. |
1539 |
root |
1.41 |
// TODO: this is a real resource hog, xft takes ages(?) |
1540 |
|
|
#if XFT && USE_SLOW_LOOKUP |
1541 |
root |
1.1 |
// grab the first xft font that seems suitable |
1542 |
|
|
FcPattern *p = FcPatternCreate (); |
1543 |
|
|
|
1544 |
|
|
FcCharSet *s = FcCharSetCreate (); |
1545 |
|
|
FcCharSetAddChar (s, unicode); |
1546 |
|
|
FcPatternAddCharSet (p, FC_CHARSET, s); |
1547 |
|
|
// charsets don't help that much, as xft might return |
1548 |
|
|
// a non-matching font even if a better font is available :/ |
1549 |
|
|
|
1550 |
root |
1.41 |
x x x x TODO prop might have unset contents |
1551 |
|
|
FcPatternAddInteger (p, FC_PIXEL_SIZE, prop.height); |
1552 |
|
|
FcPatternAddInteger (p, FC_WEIGHT, prop.weight); |
1553 |
|
|
FcPatternAddInteger (p, FC_SLANT, prop.slant); |
1554 |
root |
1.1 |
FcPatternAddBool (p, FC_MINSPACE, 1); |
1555 |
|
|
//FcPatternAddBool (p, FC_ANTIALIAS, 1); |
1556 |
|
|
|
1557 |
|
|
XftResult result; |
1558 |
root |
1.84 |
FcPattern *match = XftFontMatch (term->display->display, term->display->screen, p, &result); |
1559 |
root |
1.1 |
|
1560 |
|
|
FcPatternDestroy (p); |
1561 |
|
|
|
1562 |
|
|
if (match) |
1563 |
|
|
{ |
1564 |
|
|
FcPatternDel (match, FC_CHARSET); |
1565 |
|
|
char *font = (char *)FcNameUnparse (match); |
1566 |
|
|
FcPatternDestroy (match); |
1567 |
|
|
|
1568 |
|
|
if (find_font (font) < 0) |
1569 |
|
|
{ |
1570 |
|
|
char fontname[4096]; |
1571 |
|
|
sprintf (fontname, "xft:%-.4090s", font); |
1572 |
|
|
|
1573 |
|
|
fonts.push_back (new_font (fontname, CS_UNICODE)); |
1574 |
|
|
} |
1575 |
|
|
|
1576 |
|
|
free (font); |
1577 |
|
|
} |
1578 |
|
|
#endif |
1579 |
|
|
} |
1580 |
|
|
} |
1581 |
|
|
} |
1582 |
|
|
|
1583 |
root |
1.41 |
/* we must return SOME font */ |
1584 |
|
|
i = 0; |
1585 |
|
|
|
1586 |
|
|
found: |
1587 |
|
|
// found a font, cache it |
1588 |
|
|
if (i < 255) |
1589 |
|
|
{ |
1590 |
|
|
while (hi >= fmap.size ()) |
1591 |
|
|
fmap.push_back (0); |
1592 |
|
|
|
1593 |
|
|
if (!fmap[hi]) |
1594 |
|
|
{ |
1595 |
|
|
fmap[hi] = (pagemap *)new pagemap; |
1596 |
|
|
memset (fmap[hi], 0xff, sizeof (pagemap)); |
1597 |
|
|
} |
1598 |
|
|
|
1599 |
|
|
(*fmap[hi])[unicode & 0xff] = i; |
1600 |
|
|
} |
1601 |
root |
1.1 |
|
1602 |
root |
1.41 |
return i; |
1603 |
root |
1.1 |
} |
1604 |
|
|
|
1605 |
|
|
|
1606 |
|
|
|