| 1 |
/*--------------------------------*-C-*---------------------------------*; |
| 2 |
* File: defaultfont.C |
| 3 |
*----------------------------------------------------------------------* |
| 4 |
* Copyright (c) 2003 Marc Lehmann rxvt@plan9.de> |
| 5 |
* - original version. |
| 6 |
* |
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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 |
| 10 |
* (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 |
| 14 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 |
* 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 |
| 18 |
* along with this program; if not, write to the Free Software |
| 19 |
* 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" |
| 24 |
#include "defaultfont.h" |
| 25 |
|
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#define DISPLAY R->Xdisplay |
| 27 |
#define DRAWABLE R->TermWin.vt |
| 28 |
#define GC R->TermWin.gc |
| 29 |
|
| 30 |
const struct rxvt_fallback_font { |
| 31 |
codeset cs; |
| 32 |
const char *name; |
| 33 |
} 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" }, |
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# endif |
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{ CS_JIS0201_1976_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0201*-0" }, |
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{ CS_JIS0208_1983_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_CNS11643_1992_1, "-*-*-*-r-*-*-*-*-*-*-c-*-cns11643.1992-1" }, |
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{ CS_CNS11643_1992_2, "-*-*-*-r-*-*-*-*-*-*-c-*-cns11643.1992-2" }, |
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{ CS_CNS11643_1992_3, "-*-*-*-r-*-*-*-*-*-*-c-*-cns11643.1992-3" }, |
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{ CS_CNS11643_1992_4, "-*-*-*-r-*-*-*-*-*-*-c-*-cns11643.1992-4" }, |
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{ CS_CNS11643_1992_5, "-*-*-*-r-*-*-*-*-*-*-c-*-cns11643.1992-5" }, |
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{ CS_CNS11643_1992_6, "-*-*-*-r-*-*-*-*-*-*-c-*-cns11643.1992-6" }, |
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{ CS_CNS11643_1992_7, "-*-*-*-r-*-*-*-*-*-*-c-*-cns11643.1992-7" }, |
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{ CS_CNS11643_1992_F, "-*-*-*-r-*-*-*-*-*-*-c-*-cns11643.1992-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-*-r-*-*-*-*-*-*-m-*-iso10646-1" }, |
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{ CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" }, |
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{ CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" }, |
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{ CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" }, |
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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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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 (int 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, int 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, int 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 (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 (DISPLAY, DRAWABLE, x, y, w, h, FALSE); |
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else if (color >= 0) |
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{ |
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XSetForeground (DISPLAY, GC, R->PixColors[color]); |
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XFillRectangle (DISPLAY, DRAWABLE, GC, x, y, w, h); |
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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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bool load (int maxheight) |
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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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return true; |
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} |
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|
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bool has_codepoint (uint32_t unicode) |
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{ |
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if (unicode <= 0x001f |
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|| (unicode >= 0x80 && unicode <= 0x9f)) |
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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 (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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void |
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rxvt_font_default::draw (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 (x, y, R->TermWin.fwidth * len, R->TermWin.fheight, bg); |
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|
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while (len--) |
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{ |
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switch (*text++) |
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{ |
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case NOCHAR: |
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case ZERO_WIDTH_CHAR: |
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break; |
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default: |
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XSetForeground (DISPLAY, GC, R->PixColors[fg]); |
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XDrawRectangle (DISPLAY, DRAWABLE, GC, x + 2, y + 2, R->TermWin.fwidth - 5, R->TermWin.fheight - 5); |
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} |
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|
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x += R->TermWin.fwidth; |
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} |
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} |
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|
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///////////////////////////////////////////////////////////////////////////// |
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|
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struct rxvt_font_x11 : rxvt_font { |
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rxvt_font_x11 () { f = 0; } |
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|
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void clear (); |
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|
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bool load (int maxheight); |
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|
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bool has_codepoint (uint32_t unicode); |
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|
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void draw (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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XFontStruct *f; |
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codeset cs; |
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bool enc2b, encm; |
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|
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const char *get_property (const char *property, const char *repl) const; |
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}; |
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|
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const char * |
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rxvt_font_x11::get_property (const char *property, const char *repl) const |
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{ |
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unsigned long value; |
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|
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if (XGetFontProperty (f, XInternAtom (DISPLAY, property, 0), &value)) |
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return XGetAtomName (DISPLAY, value); |
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else |
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return repl; |
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} |
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|
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bool |
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rxvt_font_x11::load (int maxheight) |
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{ |
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clear (); |
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|
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f = XLoadQueryFont (DISPLAY, name); |
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|
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if (!f) |
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return false; |
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|
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unsigned long value; |
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|
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const char *registry = get_property ("CHARSET_REGISTRY", 0); |
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const char *encoding = get_property ("CHARSET_ENCODING", 0); |
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|
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if (registry && encoding) |
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{ |
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char charset[64]; |
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snprintf (charset, 64, "%s-%s", registry, encoding); |
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|
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cs = codeset_from_name (charset); |
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} |
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else |
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{ |
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const char *charset = get_property ("FONT", 0); |
| 283 |
|
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if (!charset) |
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charset = name; |
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|
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int count = 13; |
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while (*charset) |
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if (*charset++ == '-' && !--count) |
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break; |
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|
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cs = codeset_from_name (charset); |
| 293 |
} |
| 294 |
|
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if (cs == CS_UNICODE) |
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cs = CS_UNICODE_16; // X11 can have a max. of 65536 chars per font |
| 297 |
|
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encm = f->min_byte1 != 0 || f->max_byte1 != 0; |
| 299 |
enc2b = encm || f->max_char_or_byte2 > 255; |
| 300 |
|
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ascent = f->ascent; |
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descent = f->descent; |
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height = ascent + descent; |
| 304 |
|
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prop = false; |
| 306 |
|
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if (f->min_bounds.width == f->max_bounds.width) |
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width = f->min_bounds.width; |
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else if (f->per_char == NULL) |
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width = f->max_bounds.width; |
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else |
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{ |
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prop = true; |
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|
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int N = f->max_char_or_byte2 - f->min_char_or_byte2; |
| 316 |
|
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if (encm) |
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N += (f->max_byte1 - f->min_byte1) |
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* (f->max_char_or_byte2 - f->min_char_or_byte2 + 1); |
| 320 |
|
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while (N) |
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{ |
| 323 |
if (f->per_char[N].width > width) |
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width = f->per_char[N].width; |
| 325 |
|
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--N; |
| 327 |
} |
| 328 |
} |
| 329 |
|
| 330 |
if (cs == CS_UNKNOWN) |
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{ |
| 332 |
fprintf (stderr, "unable to deduce codeset, ignoring font '%s'\n", name); |
| 333 |
|
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clear (); |
| 335 |
|
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return false; |
| 337 |
} |
| 338 |
|
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return true; |
| 340 |
} |
| 341 |
|
| 342 |
void |
| 343 |
rxvt_font_x11::clear () |
| 344 |
{ |
| 345 |
if (f) |
| 346 |
{ |
| 347 |
XFreeFont (DISPLAY, f); |
| 348 |
f = 0; |
| 349 |
} |
| 350 |
} |
| 351 |
|
| 352 |
bool |
| 353 |
rxvt_font_x11::has_codepoint (uint32_t unicode) |
| 354 |
{ |
| 355 |
uint32_t ch = FROM_UNICODE (cs, unicode); |
| 356 |
|
| 357 |
if (ch == NOCHAR) |
| 358 |
return false; |
| 359 |
|
| 360 |
/* check wether the character exists in _this_ font. horrible. */ |
| 361 |
XCharStruct *xcs; |
| 362 |
|
| 363 |
if (encm) |
| 364 |
{ |
| 365 |
int byte1 = ch >> 8; |
| 366 |
int byte2 = ch & 255; |
| 367 |
|
| 368 |
if (byte1 < f->min_byte1 || byte1 > f->max_byte1 |
| 369 |
|| byte2 < f->min_char_or_byte2 || byte2 > f->max_char_or_byte2) |
| 370 |
return false; |
| 371 |
|
| 372 |
if (!f->per_char) |
| 373 |
return true; |
| 374 |
|
| 375 |
int D = f->max_char_or_byte2 - f->min_char_or_byte2 + 1; |
| 376 |
int N = (byte1 - f->min_byte1) * D + byte2 - f->min_char_or_byte2; |
| 377 |
|
| 378 |
xcs = f->per_char + N; |
| 379 |
} |
| 380 |
else |
| 381 |
{ |
| 382 |
if (ch < f->min_char_or_byte2 || ch > f->max_char_or_byte2) |
| 383 |
return false; |
| 384 |
|
| 385 |
if (!f->per_char) |
| 386 |
return true; |
| 387 |
|
| 388 |
xcs = f->per_char + (ch - f->min_char_or_byte2); |
| 389 |
} |
| 390 |
|
| 391 |
if (xcs->lbearing == 0 && xcs->rbearing == 0 && xcs->width == 0 |
| 392 |
&& xcs->ascent == 0 && xcs->descent == 0) |
| 393 |
return false; |
| 394 |
|
| 395 |
return true; |
| 396 |
} |
| 397 |
|
| 398 |
void |
| 399 |
rxvt_font_x11::draw (int x, int y, |
| 400 |
const text_t *text, int len, |
| 401 |
int fg, int bg) |
| 402 |
{ |
| 403 |
// this looks like a mess /. |
| 404 |
// and it is a mess /. |
| 405 |
// yet we are trying to be perfect /. |
| 406 |
// but the result still isn't perfect /. |
| 407 |
|
| 408 |
bool slow = prop |
| 409 |
|| width != R->TermWin.fwidth |
| 410 |
|| height != R->TermWin.fheight; |
| 411 |
|
| 412 |
int base = R->TermWin.fbase; |
| 413 |
|
| 414 |
XGCValues v; |
| 415 |
v.foreground = R->PixColors[fg]; |
| 416 |
v.background = R->PixColors[bg]; |
| 417 |
v.font = f->fid; |
| 418 |
|
| 419 |
if (enc2b) |
| 420 |
{ |
| 421 |
const XChar2b *xc = enc_xchar2b (text, len, cs, slow); |
| 422 |
|
| 423 |
if (bg == Color_bg && !slow) |
| 424 |
{ |
| 425 |
XChangeGC (DISPLAY, GC, GCForeground | GCBackground | GCFont, &v); |
| 426 |
XDrawImageString16 (DISPLAY, DRAWABLE, GC, x, y + base, xc, len); |
| 427 |
} |
| 428 |
else |
| 429 |
{ |
| 430 |
clear_rect (x, y, R->TermWin.fwidth * len, R->TermWin.fheight, bg); |
| 431 |
|
| 432 |
XChangeGC (DISPLAY, GC, GCForeground | GCFont, &v); |
| 433 |
|
| 434 |
if (slow) |
| 435 |
{ |
| 436 |
do |
| 437 |
{ |
| 438 |
if (xc->byte1 || xc->byte2) |
| 439 |
XDrawString16 (DISPLAY, DRAWABLE, GC, x, y + base, xc, 1); |
| 440 |
|
| 441 |
x += R->TermWin.fwidth; |
| 442 |
xc++; len--; |
| 443 |
} |
| 444 |
while (len); |
| 445 |
} |
| 446 |
else |
| 447 |
XDrawString16 (DISPLAY, DRAWABLE, GC, x, y + base, xc, len); |
| 448 |
} |
| 449 |
} |
| 450 |
else |
| 451 |
{ |
| 452 |
const char *xc = enc_char (text, len, cs, slow); |
| 453 |
|
| 454 |
if (bg == Color_bg && !slow) |
| 455 |
{ |
| 456 |
XChangeGC (DISPLAY, GC, GCForeground | GCBackground | GCFont, &v); |
| 457 |
XDrawImageString (DISPLAY, DRAWABLE, GC, x, y + base, xc, len); |
| 458 |
} |
| 459 |
else |
| 460 |
{ |
| 461 |
clear_rect (x, y, R->TermWin.fwidth * len, R->TermWin.fheight, bg); |
| 462 |
|
| 463 |
XChangeGC (DISPLAY, GC, GCForeground | GCFont, &v); |
| 464 |
|
| 465 |
if (slow) |
| 466 |
{ |
| 467 |
do |
| 468 |
{ |
| 469 |
if (*xc) |
| 470 |
XDrawString (DISPLAY, DRAWABLE, GC, x, y + base, xc, 1); |
| 471 |
|
| 472 |
x += R->TermWin.fwidth; |
| 473 |
xc++; len--; |
| 474 |
} |
| 475 |
while (len); |
| 476 |
} |
| 477 |
else |
| 478 |
XDrawString (DISPLAY, DRAWABLE, GC, x, y + base, xc, len); |
| 479 |
} |
| 480 |
} |
| 481 |
} |
| 482 |
|
| 483 |
///////////////////////////////////////////////////////////////////////////// |
| 484 |
|
| 485 |
#if XFT |
| 486 |
#if 0 |
| 487 |
#define UNIBITS 21 |
| 488 |
//#define SWATHBITS (UNIBITS / 2 + 3) // minimum size for "full" tables |
| 489 |
#define SWATHBITS 8 |
| 490 |
#endif |
| 491 |
|
| 492 |
struct rxvt_font_xft : rxvt_font { |
| 493 |
#if 0 |
| 494 |
enum { |
| 495 |
SWATHCOUNT = 1 << (21 - UNIBITS), |
| 496 |
SWATHSIZE = 1 << (SWATHBITS - 5) |
| 497 |
}; |
| 498 |
typedef uint32_t swath[SWATHSIZE]; |
| 499 |
|
| 500 |
swath *cvr[SWATHCOUNT]; |
| 501 |
#endif |
| 502 |
|
| 503 |
#if 0 |
| 504 |
void gen_coverage_swath (unsigned int page); |
| 505 |
|
| 506 |
bool has_char (uint32_t ch) |
| 507 |
{ |
| 508 |
unsigned int page = ch >> SWATHBITS; |
| 509 |
unsigned int idx = ch & ((1 << SWATHBITS) - 1); |
| 510 |
|
| 511 |
if (page >= SWATHCOUNT) |
| 512 |
return false; |
| 513 |
|
| 514 |
if (!cvr[page]) gen_coverage_swath (page); |
| 515 |
|
| 516 |
return cvr[page][idx >> 5] & (1 << (idx & 31)); |
| 517 |
} |
| 518 |
#endif |
| 519 |
rxvt_font_xft () { f = 0; d = 0; } |
| 520 |
|
| 521 |
void clear (); |
| 522 |
|
| 523 |
bool load (int maxheight); |
| 524 |
|
| 525 |
void draw (int x, int y, |
| 526 |
const text_t *text, int len, |
| 527 |
int fg, int bg); |
| 528 |
|
| 529 |
bool has_codepoint (uint32_t unicode); |
| 530 |
|
| 531 |
protected: |
| 532 |
XftFont *f; |
| 533 |
XftDraw *d; |
| 534 |
|
| 535 |
#if 0 |
| 536 |
virtual void populate_coverage_swath (uint32_t lo, uint32_t hi) = 0; |
| 537 |
void set_swath (uint32_t ch) |
| 538 |
{ |
| 539 |
cvr[ch >> SWATHBITS] |= 1 << (ch & ((1 << SWATHBITS) - 1)); |
| 540 |
} |
| 541 |
#endif |
| 542 |
}; |
| 543 |
|
| 544 |
void |
| 545 |
rxvt_font_xft::clear () |
| 546 |
{ |
| 547 |
if (f) |
| 548 |
{ |
| 549 |
XftFontClose (R->Xdisplay, f); |
| 550 |
f = 0; |
| 551 |
} |
| 552 |
|
| 553 |
if (d) |
| 554 |
{ |
| 555 |
XftDrawDestroy (d); |
| 556 |
d = 0; |
| 557 |
} |
| 558 |
|
| 559 |
#if 0 |
| 560 |
for (int i = 0; i < SWATHCOUNT; i++) |
| 561 |
delete cvr[i]; |
| 562 |
#endif |
| 563 |
} |
| 564 |
|
| 565 |
bool |
| 566 |
rxvt_font_xft::load (int maxheight) |
| 567 |
{ |
| 568 |
#if 0 |
| 569 |
for (int i = 0; i < SWATHCOUNT; i++) |
| 570 |
cvr[i] = 0; |
| 571 |
#endif |
| 572 |
|
| 573 |
clear (); |
| 574 |
|
| 575 |
f = XftFontOpenName (R->Xdisplay, DefaultScreen (R->Xdisplay), name); |
| 576 |
|
| 577 |
if (!f) |
| 578 |
return false; |
| 579 |
|
| 580 |
FT_Face face = XftLockFace (f); |
| 581 |
|
| 582 |
prop = !FT_IS_FIXED_WIDTH (face); |
| 583 |
|
| 584 |
int ftheight = 0; |
| 585 |
|
| 586 |
for (;;) |
| 587 |
{ |
| 588 |
XGlyphInfo g1, g2; |
| 589 |
FcChar8 c; |
| 590 |
|
| 591 |
c = 'i'; XftTextExtents8 (R->Xdisplay, f, &c, 1, &g1); |
| 592 |
c = 'W'; XftTextExtents8 (R->Xdisplay, f, &c, 1, &g2); |
| 593 |
|
| 594 |
prop = prop || g1.xOff != g2.xOff; // don't simply trust the font |
| 595 |
|
| 596 |
width = g2.xOff; |
| 597 |
ascent = (face->size->metrics.ascender + 63) >> 6; |
| 598 |
descent = (-face->size->metrics.descender + 63) >> 6; |
| 599 |
height = ascent + descent; |
| 600 |
|
| 601 |
if (height <= maxheight || !maxheight) |
| 602 |
break; |
| 603 |
|
| 604 |
if (ftheight) |
| 605 |
{ |
| 606 |
// take smaller steps near the end |
| 607 |
if (height > maxheight + 1) ftheight++; |
| 608 |
if (height > maxheight + 2) ftheight++; |
| 609 |
if (height > maxheight + 3) ftheight++; |
| 610 |
|
| 611 |
FT_Set_Pixel_Sizes (face, 0, ftheight -= height - maxheight); |
| 612 |
} |
| 613 |
else |
| 614 |
FT_Set_Pixel_Sizes (face, 0, ftheight = maxheight); |
| 615 |
} |
| 616 |
|
| 617 |
XftUnlockFace (f); |
| 618 |
|
| 619 |
return true; |
| 620 |
} |
| 621 |
|
| 622 |
#if 0 |
| 623 |
void rxvt_font::gen_coverage_swath (unsigned int page) |
| 624 |
{ |
| 625 |
cvr[page] = new swath; |
| 626 |
|
| 627 |
for (int i = 0; i < SWATHSIZE; i++) |
| 628 |
cvr[page][i] = 0; |
| 629 |
|
| 630 |
populate_coverage_swath (cvr[page], page << SWATHBITS, ((page + 1) << SWATHBITS) - 1); |
| 631 |
} |
| 632 |
#endif |
| 633 |
|
| 634 |
bool |
| 635 |
rxvt_font_xft::has_codepoint (uint32_t unicode) |
| 636 |
{ |
| 637 |
return XftCharExists (R->Xdisplay, f, unicode); |
| 638 |
} |
| 639 |
|
| 640 |
void |
| 641 |
rxvt_font_xft::draw (int x, int y, |
| 642 |
const text_t *text, int len, |
| 643 |
int fg, int bg) |
| 644 |
{ |
| 645 |
if (!d) |
| 646 |
d = XftDrawCreate (R->Xdisplay, DRAWABLE, XVISUAL, XCMAP); |
| 647 |
|
| 648 |
if (bg >= 0 && bg != Color_bg) |
| 649 |
XftDrawRect (d, &R->PixColors[bg].c, x, y, R->TermWin.fwidth * len, R->TermWin.fheight); |
| 650 |
else |
| 651 |
clear_rect (x, y, R->TermWin.fwidth * len, R->TermWin.fheight, bg); |
| 652 |
|
| 653 |
if (!prop && width == R->TermWin.fwidth) |
| 654 |
{ |
| 655 |
if (sizeof (text_t) == sizeof (FcChar16)) |
| 656 |
XftDrawString16 (d, &R->PixColors[fg].c, f, x, y + R->TermWin.fbase, (const FcChar16 *)text, len); |
| 657 |
else |
| 658 |
XftDrawString32 (d, &R->PixColors[fg].c, f, x, y + R->TermWin.fbase, (const FcChar32 *)text, len); |
| 659 |
} |
| 660 |
else |
| 661 |
{ |
| 662 |
while (len) |
| 663 |
{ |
| 664 |
if (*text != NOCHAR && *text != ' ') |
| 665 |
{ |
| 666 |
if (sizeof (text_t) == sizeof (FcChar16)) |
| 667 |
XftDrawString16 (d, &R->PixColors[fg].c, f, x, y + R->TermWin.fbase, (const FcChar16 *)text, 1); |
| 668 |
else |
| 669 |
XftDrawString32 (d, &R->PixColors[fg].c, f, x, y + R->TermWin.fbase, (const FcChar32 *)text, 1); |
| 670 |
} |
| 671 |
|
| 672 |
x += R->TermWin.fwidth; |
| 673 |
text++; |
| 674 |
len--; |
| 675 |
} |
| 676 |
} |
| 677 |
} |
| 678 |
#endif |
| 679 |
|
| 680 |
///////////////////////////////////////////////////////////////////////////// |
| 681 |
|
| 682 |
rxvt_fontset::rxvt_fontset (pR) |
| 683 |
#ifdef EXPLICIT_CONTEXT |
| 684 |
: rxvt_term(R) |
| 685 |
#endif |
| 686 |
{ |
| 687 |
clear (); |
| 688 |
} |
| 689 |
|
| 690 |
rxvt_fontset::~rxvt_fontset () |
| 691 |
{ |
| 692 |
clear (); |
| 693 |
} |
| 694 |
|
| 695 |
void |
| 696 |
rxvt_fontset::clear () |
| 697 |
{ |
| 698 |
for (rxvt_font **i = fonts.begin (); i != fonts.end(); i++) |
| 699 |
FONT_UNREF (*i); |
| 700 |
|
| 701 |
fonts.clear (); |
| 702 |
base_id = 0; |
| 703 |
height = 0x7fffffff; |
| 704 |
|
| 705 |
fallback = fallback_fonts; |
| 706 |
} |
| 707 |
|
| 708 |
rxvt_font * |
| 709 |
rxvt_fontset::new_font (const char *name, codeset cs) |
| 710 |
{ |
| 711 |
rxvt_font *f; |
| 712 |
|
| 713 |
if (!name || !*name) |
| 714 |
{ |
| 715 |
name = ""; |
| 716 |
f = new rxvt_font_default; |
| 717 |
} |
| 718 |
#if XFT |
| 719 |
else if (!strncmp (name, "xft:", 4)) |
| 720 |
{ |
| 721 |
name += 4; |
| 722 |
f = new rxvt_font_xft; |
| 723 |
} |
| 724 |
#endif |
| 725 |
else if (!strncmp (name, "x:", 2)) |
| 726 |
{ |
| 727 |
name += 2; |
| 728 |
f = new rxvt_font_x11; |
| 729 |
} |
| 730 |
else |
| 731 |
f = new rxvt_font_x11; |
| 732 |
|
| 733 |
f->set_term (aR); |
| 734 |
f->set_name (strdup (name)); |
| 735 |
|
| 736 |
f->cs = cs; |
| 737 |
f->loaded = false; |
| 738 |
|
| 739 |
return f; |
| 740 |
} |
| 741 |
|
| 742 |
///////////////////////////////////////////////////////////////////////////// |
| 743 |
|
| 744 |
void |
| 745 |
rxvt_fontset::add_fonts (const char *desc) |
| 746 |
{ |
| 747 |
if (desc) |
| 748 |
{ |
| 749 |
char buf[512]; |
| 750 |
const char *end; |
| 751 |
|
| 752 |
do |
| 753 |
{ |
| 754 |
while (*desc <= ' ') desc++; |
| 755 |
|
| 756 |
if (*desc == '[') |
| 757 |
{ |
| 758 |
fprintf (stderr, "extra font parameters not yet supported, skipping.\n"); |
| 759 |
|
| 760 |
const char *extra = desc++; |
| 761 |
|
| 762 |
desc = strchr (desc, ']'); |
| 763 |
|
| 764 |
if (!desc) |
| 765 |
{ |
| 766 |
fprintf (stderr, "ERROR: opening '[' without closing ']' in font specification.\n"); |
| 767 |
break; |
| 768 |
} |
| 769 |
|
| 770 |
desc++; |
| 771 |
while (*desc <= ' ') desc++; |
| 772 |
} |
| 773 |
|
| 774 |
end = strchr (desc, ','); |
| 775 |
if (!end) |
| 776 |
end = desc + strlen (desc); |
| 777 |
|
| 778 |
if (end - desc < 511) |
| 779 |
{ |
| 780 |
strncpy (buf, desc, end - desc); |
| 781 |
buf[end - desc] = 0; |
| 782 |
|
| 783 |
fonts.push_back (new_font (buf, CS_UNICODE)); |
| 784 |
} |
| 785 |
|
| 786 |
desc = end + 1; |
| 787 |
} |
| 788 |
while (*end); |
| 789 |
} |
| 790 |
} |
| 791 |
|
| 792 |
bool |
| 793 |
rxvt_fontset::realize_font (int i) |
| 794 |
{ |
| 795 |
if (fonts[i]->loaded) |
| 796 |
return true; |
| 797 |
|
| 798 |
if (fonts[i]->load (height)) |
| 799 |
return fonts[i]->loaded = true; |
| 800 |
|
| 801 |
delete fonts[i]; |
| 802 |
fonts.erase (fonts.begin () + i); |
| 803 |
|
| 804 |
return false; |
| 805 |
} |
| 806 |
|
| 807 |
void |
| 808 |
rxvt_fontset::populate (const char *desc) |
| 809 |
{ |
| 810 |
clear (); |
| 811 |
|
| 812 |
fonts.push_back (new_font (0, CS_UNICODE)); |
| 813 |
realize_font (0); |
| 814 |
|
| 815 |
add_fonts (desc); |
| 816 |
|
| 817 |
if (!base_id) |
| 818 |
base_id = 1; |
| 819 |
|
| 820 |
// we currently need a base-font, no matter what |
| 821 |
if (fonts.size () <= base_id) |
| 822 |
{ |
| 823 |
add_fonts ("fixed"); |
| 824 |
base_id = 1; |
| 825 |
} |
| 826 |
|
| 827 |
if (fonts.size () <= base_id || !realize_font (base_id)) |
| 828 |
{ |
| 829 |
fprintf (stderr, "unable to load a base font, please provide one using -fn fontname\n"); |
| 830 |
exit (1); |
| 831 |
} |
| 832 |
|
| 833 |
height = fonts[base_id]->height; |
| 834 |
|
| 835 |
/*add_fonts ("-efont-fixed-medium-r-normal-*-14-*-*-*-*-*-iso10646-1,"*/ |
| 836 |
} |
| 837 |
|
| 838 |
int |
| 839 |
rxvt_fontset::find_font (uint32_t unicode) |
| 840 |
{ |
| 841 |
for (int i = 0; i < fonts.size (); i++) |
| 842 |
{ |
| 843 |
rxvt_font *f = fonts[i]; |
| 844 |
|
| 845 |
if (!f->loaded) |
| 846 |
{ |
| 847 |
if (FROM_UNICODE (f->cs, unicode) == NOCHAR) |
| 848 |
goto next_font; |
| 849 |
|
| 850 |
if (!realize_font (i)) |
| 851 |
{ |
| 852 |
--i; |
| 853 |
goto next_font; |
| 854 |
} |
| 855 |
|
| 856 |
//printf ("added font %s for %04lx\n", f->name, unicode); |
| 857 |
} |
| 858 |
|
| 859 |
if (f->has_codepoint (unicode)) |
| 860 |
return i; |
| 861 |
|
| 862 |
next_font: |
| 863 |
if (i == fonts.size () - 1 && fallback->name) |
| 864 |
{ |
| 865 |
fonts.push_back (new_font (fallback->name, fallback->cs)); |
| 866 |
fallback++; |
| 867 |
} |
| 868 |
} |
| 869 |
|
| 870 |
return 0; /* we must return SOME font */ |
| 871 |
} |
| 872 |
|
| 873 |
|
| 874 |
|
