From 26b6c07cdb089d3365b40008b33d4175b368a334 Mon Sep 17 00:00:00 2001 From: root Date: Mon, 20 Jan 2020 09:35:17 +0000 Subject: *** empty log message *** --- src/rxvtfont.C | 1802 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 1802 insertions(+) create mode 100644 src/rxvtfont.C (limited to 'src') diff --git a/src/rxvtfont.C b/src/rxvtfont.C new file mode 100644 index 0000000..8629d88 --- /dev/null +++ b/src/rxvtfont.C @@ -0,0 +1,1802 @@ +/*----------------------------------------------------------------------* + * File: rxvtfont.C + *----------------------------------------------------------------------* + * Copyright (c) 2003-2008 Marc Lehmann + * - original version. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + *---------------------------------------------------------------------*/ + +#include "../config.h" +#include "rxvt.h" +#include "rxvtutil.h" +#include "rxvtfont.h" + +#include + +#include + +#if XFT +# include +#endif + +#define MAX_OVERLAP_ROMAN (8 + 2) // max. character width in 8ths of the base width +#define MAX_OVERLAP_ITALIC (8 + 3) // max. overlap for italic fonts + +#define OVERLAP_OK(w,wcw,prop) ((w) <= ( \ + (prop)->slant >= rxvt_fontprop::italic \ + ? ((prop)->width * (wcw) * MAX_OVERLAP_ITALIC + 7) >> 3 \ + : ((prop)->width * (wcw) * MAX_OVERLAP_ROMAN + 7) >> 3 \ + )) + +static const struct rxvt_fallback_font { + codeset cs; + const char *name; +} fallback_fonts[] = { + { CS_ISO8859_1, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-1" }, + { CS_ISO8859_15, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-15" }, + { CS_ISO8859_15, "-*-*-*-r-*--*-*-*-*-c-*-fcd8859-15" }, + +#if ENCODING_EU + // cyrillic + { CS_KOI8_R, "-*-*-*-r-*--*-*-*-*-c-*-koi8-r" }, + { CS_KOI8_U, "-*-*-*-r-*--*-*-*-*-c-*-koi8-u" }, + + { CS_ISO8859_2, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-2" }, + { CS_ISO8859_3, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-3" }, + { CS_ISO8859_4, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-4" }, + { CS_ISO8859_5, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-5" }, + { CS_ISO8859_6, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-6" }, + { CS_ISO8859_7, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-7" }, + { CS_ISO8859_8, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-8" }, + { CS_ISO8859_9, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-9" }, + { CS_ISO8859_10, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-10" }, + { CS_ISO8859_11, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-11" }, + { CS_ISO8859_13, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-13" }, + { CS_ISO8859_14, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-14" }, + { CS_ISO8859_16, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-16" }, + +# if XFT + { CS_KOI8_U, "xft::lang=ru" }, + + { CS_ISO8859_5, "xft::lang=ru" }, + { CS_ISO8859_6, "xft::lang=ar" }, + { CS_ISO8859_7, "xft::lang=el" }, + { CS_ISO8859_8, "xft::lang=he" }, + { CS_ISO8859_9, "xft::lang=tr" }, + { CS_ISO8859_10, "xft::lang=se" }, + { CS_ISO8859_11, "xft::lang=th" }, +# endif +#endif + + // japanese +#if ENCODING_JP || ENCODING_JP_EXT +# if XFT + // prefer xft for complex scripts + { CS_JIS0208_1990_0, "xft:Sazanami Mincho:antialias=false" }, + { CS_JIS0208_1990_0, "xft:Kochi Gothic:antialias=false" }, + { CS_JIS0208_1990_0, "xft:Mincho:antialias=false" }, + { CS_JIS0208_1990_0, "xft::lang=ja:antialias=false" }, +# endif + { CS_JIS0201_1976_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0201*-0" }, + { CS_JIS0208_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0208*-0" }, + { CS_JIS0212_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0212*-0" }, + { CS_JIS0201_1976_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0201*-0" }, + { CS_JIS0208_1990_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0208*-0" }, + { CS_JIS0212_1990_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0212*-0" }, +#endif + +#if ENCODING_ZH || ENCODING_ZH_EXT +# if XFT + { CS_GBK_0, "xft:AR PL KaitiM GB" }, + { CS_GBK_0, "xft:AR PL SungtiL GB" }, + { CS_GBK_0, "xft::lang=zh" }, + { CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" }, + { CS_BIG5_EXT, "xft:AR PL KaitiM Big5" }, + { CS_GB2312_1980_0, "xft:AR PL KaitiM GB" }, + { CS_GB2312_1980_0, "xft:AR PL SungtiL GB" }, + { CS_GB2312_1980_0, "xft::lang=zh" }, +# endif + { CS_GBK_0, "-*-*-*-*-*-*-*-*-*-*-c-*-gbk*-0" }, + { CS_BIG5, "-*-*-*-*-*-*-*-*-*-*-c-*-big5-0" }, + { CS_BIG5_PLUS, "-*-*-*-*-*-*-*-*-*-*-c-*-big5p-0" }, + { CS_BIG5_EXT, "-*-*-*-*-*-*-*-*-*-*-c-*-big5.eten-0" }, + { CS_GB2312_1980_0, "-*-*-*-*-*-*-*-*-*-*-c-*-gb2312*-0" }, + { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-gb2312*-0" }, + { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-1" }, + { CS_CNS11643_1992_2, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-2" }, + { CS_CNS11643_1992_3, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-3" }, + { CS_CNS11643_1992_4, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-4" }, + { CS_CNS11643_1992_5, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-5" }, + { CS_CNS11643_1992_6, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-6" }, + { CS_CNS11643_1992_7, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-7" }, + { CS_CNS11643_1992_F, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-f" }, +#endif + +#if ENCODING_KR + { CS_KSC5601_1987_0, "-baekmuk-gulim-*-*-*-*-*-*-*-*-c-*-ksc5601*" }, + { CS_KSC5601_1987_0, "-*-*-*-*-*-*-*-*-*-*-c-*-ksc5601*" }, +# if XFT + { CS_KSC5601_1987_0, "xft:Baekmuk Gulim:antialias=false" }, + { CS_KSC5601_1987_0, "xft::lang=ko:antialias=false" }, +# endif +#endif + + //{ CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" }, // this gem of a font has actual dotted circles within the combining character glyphs. +#if XFT + { CS_UNICODE, "xft:Bitstream Vera Sans Mono:antialias=false:autohint=true" }, + { CS_UNICODE, "xft:Courier New:antialias=false:autohint=true" }, + { CS_UNICODE, "xft:Andale Mono:antialias=false:autohint=false" }, + { CS_UNICODE, "xft:Arial Unicode MS:antialias=false:autohint=false" }, + + // FreeMono is usually uglier than x fonts, so try after the others + { CS_UNICODE, "xft:FreeMono:autohint=true" }, +#endif + + // generic font fallback, put this last, as many iso10646 fonts have extents + // specified for all glyphs in the range they cover, but most are simply empty + //{ CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-c-*-iso10646-1" }, + //{ CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" }, + { CS_UNKNOWN, 0 } +}; + +// these characters are used to guess the font height and width +// pango uses a similar algorithm and doesn't trust the font either. +static uint16_t extent_test_chars[] = { + '0', '1', '8', 'a', 'd', 'x', 'm', 'y', 'g', 'W', 'X', '\'', '_', + 0x00cd, 0x00d5, 0x0114, 0x0177, 0x0643, // ÍÕĔŷﻙ + 0x304c, 0x672c, // が本 +}; + +#define dTermDisplay Display *disp = term->dpy +#define dTermGC GC gc = term->gc + +///////////////////////////////////////////////////////////////////////////// + +static const char * +enc_char (const text_t *text, uint32_t len, codeset cs, bool &zero) +{ + uint8_t *buf = rxvt_temp_buf (len); + uint8_t *res = buf; + + while (len--) + { + uint32_t c = FROM_UNICODE (cs, *text++); + + if (c == NOCHAR) + { + c = 0; + zero = true; + } + + *buf++ = c; + } + + return (const char *)res; +} + +static const XChar2b * +enc_xchar2b (const text_t *text, uint32_t len, codeset cs, bool &zero) +{ + XChar2b *buf = rxvt_temp_buf (len); + XChar2b *res = buf; + + while (len--) + { + uint32_t c = FROM_UNICODE (cs, *text++); + + if (c == NOCHAR) + { + c = 0; + zero = true; + } + + buf->byte1 = c >> 8; + buf->byte2 = c; + buf++; + } + + return res; +} + +///////////////////////////////////////////////////////////////////////////// + +rxvt_font::rxvt_font () +: name(0), width(rxvt_fontprop::unset), height(rxvt_fontprop::unset) +{ +} + +void +rxvt_font::set_name (char *name_) +{ + if (name == name_) + return; + + if (name) free (name); // let the compiler optimize + name = name_; +} + +void +rxvt_font::clear_rect (rxvt_drawable &d, int x, int y, int w, int h, int color) const +{ + dTermDisplay; + dTermGC; + + if (color == Color_bg || color == Color_transparent) + XClearArea (disp, d, x, y, w, h, false); + else if (color >= 0) + { +#if XFT + Picture dst; + +# ifdef HAVE_IMG + if (term->bg_img + && !term->pix_colors[color].is_opaque () + && ((dst = XftDrawPicture (d)))) + { + XClearArea (disp, d, x, y, w, h, false); + + Picture solid_color_pict = XftDrawSrcPicture (d, &term->pix_colors[color].c); + XRenderComposite (disp, PictOpOver, solid_color_pict, None, dst, 0, 0, 0, 0, x, y, w, h); + } + else +# endif + XftDrawRect (d, &term->pix_colors[color].c, x, y, w, h); + +#else + XSetForeground (disp, gc, term->pix_colors[color]); + XFillRectangle (disp, d, gc, x, y, w, h); +#endif + } +} + +///////////////////////////////////////////////////////////////////////////// + +struct rxvt_font_default : rxvt_font { + struct rxvt_fontset *fs; + + rxvt_font_default (rxvt_fontset *fs) + : rxvt_font () + { + this->fs = fs; + } + + rxvt_fontprop properties () + { + rxvt_fontprop p; + + p.width = p.height = 1; + p.ascent = rxvt_fontprop::unset; + p.weight = rxvt_fontprop::medium; + p.slant = rxvt_fontprop::roman; + + return p; + } + + bool load (const rxvt_fontprop &prop, bool force_prop) + { + width = 1; height = 1; + ascent = 1; descent = 0; + + set_name (strdup ("built-in support font")); + + return true; + } + + bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const + { + careful = false; + + if (unicode <= 0x001f) + return true; + + if (unicode <= 0x007f) + return false; + + if (unicode <= 0x009f) + return true; + +#ifdef BUILTIN_GLYPHS + if (unicode >= 0x2500 && unicode <= 0x259f && + !term->option (Opt_skipBuiltinGlyphs)) + return true; +#endif + + if (IS_COMPOSE (unicode)) + return true; + + switch (unicode) + { + case ZERO_WIDTH_CHAR: + case NOCHAR: + return true; + } + + return false; + } + + void draw (rxvt_drawable &d, int x, int y, + const text_t *text, int len, + int fg, int bg); +}; + +void +rxvt_font_default::draw (rxvt_drawable &d, int x, int y, + const text_t *text, int len, + int fg, int bg) +{ + dTermDisplay; + dTermGC; + + clear_rect (d, x, y, term->fwidth * len, term->fheight, bg); + + XSetForeground (disp, gc, term->pix_colors[fg]); + + while (len) + { +#if ENABLE_COMBINING + compose_char *cc; +#endif + const text_t *tp = text; + text_t t = *tp; + + while (++text, --len && *text == NOCHAR) + ; + + int width = text - tp; + int fwidth = term->fwidth * width; + +#ifdef BUILTIN_GLYPHS + if (0x2500 <= t && t <= 0x259f) + { +# include "table/linedraw.h" + uint16_t offs = linedraw_offs[t - 0x2500]; + uint32_t *a = linedraw_command + (offs >> 4); + uint32_t *b = a + (offs & 15); + + int W = fwidth; + int H = term->fheight; + + int x_[16]; + int y_[16]; + + for (int i = 0; i <= 8; i++) + { + x_[i] = x + ((W-1) * i + (i*7/8)) / 8; + y_[i] = y + ((H-1) * i + (i*7/8)) / 8; + } + + x_[10] = x + (W - 1) / 2; x_[9] = x_[10] - 1; x_[11] = x_[10] + 1; + y_[10] = y + (H - 1) / 2; y_[9] = y_[10] - 1; y_[11] = y_[10] + 1; + + XGCValues gcv; + + gcv.cap_style = CapButt; + gcv.line_width = 0; + XChangeGC (disp, gc, GCLineWidth | GCCapStyle, &gcv); + + while (a < b) + { + uint32_t command = *a++; + + int op = (command >> 24) & 255; + int a = (command >> 20) & 15; + int b = (command >> 16) & 15; + int x1 = x_[(command >> 12) & 15]; + int y1 = y_[(command >> 8) & 15]; + int x2 = x_[(command >> 4) & 15]; + int y2 = y_[(command >> 0) & 15]; + + switch (op) + { + case 0: // line + XDrawLine (disp, d, gc, x1, y1, x2, y2); + break; + + case 1: // rectangle, possibly stippled + if (a) + { + static char bm[] = { 0,0 , 3,1 , 1,2 , 1,0 }; + + gcv.fill_style = FillStippled; + gcv.stipple = XCreateBitmapFromData (disp, d, bm + a * 2, 2, 2); + gcv.ts_x_origin = x; + gcv.ts_y_origin = y; + + XChangeGC (disp, gc, + GCFillStyle | GCStipple | GCTileStipXOrigin | GCTileStipYOrigin, + &gcv); + } + + XFillRectangle (disp, d, gc, x1, y1, x2 - x1 + 1, y2 - y1 + 1); + + if (a) + { + XFreePixmap (disp, gcv.stipple); + gcv.stipple = 0; + gcv.fill_style = FillSolid; + XChangeGC (disp, gc, GCFillStyle, &gcv); + } + break; + case 2: // arc + XDrawArc (disp, d, gc, + x1 - W/2, y1 - H/2, W-1, H-1, + (a - 1) * 90*64, (b - 1) * 90*64); + break; + } + } + } +#else + if (0) + ; +#endif +#if ENABLE_COMBINING + else if (IS_COMPOSE (t) && (cc = rxvt_composite[t])) + { + min_it (width, 2); // we only support wcwidth up to 2 + + text_t chrs[2]; + chrs [1] = NOCHAR; + + *chrs = cc->c1; + rxvt_font *f1 = (*fs)[fs->find_font_idx (cc->c1)]; + f1->draw (d, x, y, chrs, width, fg, bg); + + if (cc->c2 != NOCHAR) + { + bool careful; + + // prefer font of first character, for no good reasons + *chrs = cc->c2; + rxvt_font *f2 = (f1->has_char (cc->c2, 0, careful) && !careful) + ? f1 + : (*fs)[fs->find_font_idx (cc->c2)]; + + f2->draw (d, x, y, chrs, width, fg, Color_none); + } + } +#endif + else + switch (t) + { + case '\t': + case ZERO_WIDTH_CHAR: + case NOCHAR: + break; + + default: + XDrawRectangle (disp, d, gc, x + 2, y + 2, + fwidth - 4, term->fheight - 4); + } + + x += fwidth; + } +} + +struct rxvt_font_overflow : rxvt_font { + struct rxvt_fontset *fs; + + rxvt_font_overflow (rxvt_fontset *fs) + : rxvt_font () + { + this->fs = fs; + } + + rxvt_fontprop properties () + { + rxvt_fontprop p; + + p.width = p.height = 1; + p.ascent = rxvt_fontprop::unset; + p.weight = rxvt_fontprop::medium; + p.slant = rxvt_fontprop::roman; + + return p; + } + + bool load (const rxvt_fontprop &prop, bool force_prop) + { + width = 1; height = 1; + ascent = 1; descent = 0; + + set_name (strdup ("built-in rendition overflow font")); + + return true; + } + + bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const + { + return false; + } + + void draw (rxvt_drawable &d, int x, int y, + const text_t *text, int len, + int fg, int bg) + { + while (len) + { + int fid = fs->find_font_idx (*text); + int w = 1; + while (w < len && text[w] == NOCHAR) + w++; + (*fs)[fid]->draw (d, x, y, text, w, fg, bg); + text += w; + len -= w; + x += term->fwidth * w; + } + } +}; + +///////////////////////////////////////////////////////////////////////////// + +struct rxvt_font_x11 : rxvt_font { + rxvt_font_x11 () { f = 0; } + + void clear (); + + rxvt_fontprop properties (); + + bool load (const rxvt_fontprop &prop, bool force_prop); + + bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const; + + void draw (rxvt_drawable &d, int x, int y, + const text_t *text, int len, + int fg, int bg); + + bool slow; // whether this is a proportional font or has other funny characteristics + XFontStruct *f; + bool enc2b, encm; + + char *get_property (XFontStruct *f, Atom property, const char *repl) const; + bool set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth); + bool set_properties (rxvt_fontprop &p, XFontStruct *f); + bool set_properties (rxvt_fontprop &p, const char *name); +}; + +char * +rxvt_font_x11::get_property (XFontStruct *f, Atom property, const char *repl) const +{ + unsigned long value; + + if (XGetFontProperty (f, property, &value)) + return XGetAtomName (term->dpy, value); + else + return repl ? strdup (repl) : 0; +} + +rxvt_fontprop +rxvt_font_x11::properties () +{ + rxvt_fontprop p; + set_properties (p, f); + return p; +} + +bool +rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth) +{ + p.width = width != rxvt_fontprop::unset ? width + : avgwidth ? (avgwidth + 1) / 10 + : (height + 1) / 2; + p.height = height; + p.ascent = rxvt_fontprop::unset; + p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium; + p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic; + + return true; +} + +bool +rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f) +{ + unsigned long height; + +#if 0 + if (!XGetFontProperty (f, XInternAtom (term->dpy, "PIXEL_SIZE", 0), &height)) + return false; +#else + height = f->ascent + f->descent; +#endif + + unsigned long avgwidth; + if (!XGetFontProperty (f, term->xa [XA_AVERAGE_WIDTH], &avgwidth)) + avgwidth = 0; + + char *weight = get_property (f, term->xa [XA_WEIGHT_NAME], "medium"); + char *slant = get_property (f, term->xa [XA_SLANT], "r"); + + set_properties (p, height, weight, slant, avgwidth); + + free (weight); + free (slant); + + p.ascent = f->ascent; + + return true; +} + +bool +rxvt_font_x11::set_properties (rxvt_fontprop &p, const char *name) +{ + dTermDisplay; + int slashes = 0; + const char *comp[13]; + + for (const char *c = name; *c; c++) + if (*c == '-') + { + comp[slashes++] = c + 1; + if (slashes >= 13) + break; + } + + /* can we short-circuit the costly XLoadQueryFont? */ + if (slashes >= 13 + && (*comp[ 6] >= '1' && *comp[ 6] <= '9') + && (*comp[11] >= '0' && *comp[11] <= '9')) + return set_properties (p, atoi (comp[6]), comp[2], comp[3], atoi (comp[11])); + + XFontStruct *f = XLoadQueryFont (disp, name); + + if (f) + { + // the font should really exist now. if not, we have a problem + // (e.g. if the user did xset fp rehash just when we were searching fonts). + // in that case, just return garbage. + bool ret = set_properties (p, f); + XFreeFont (disp, f); + return ret; + } + else + return false; +} + +// fix the size of scalable fonts +static bool +replace_field (char **ptr, const char *name, int index, const char old, const char *replace) +{ + int slashes = 0; + const char *field, *end; + + for (const char *c = name; *c; c++) + if (*c == '-') + { + if (slashes == index) + field = c + 1; + + if (slashes == index + 1) + end = c; + + if (++slashes >= 13) + break; + } + + if (slashes >= 13 && (!old || *field == old)) + { + size_t len = field - name; + *ptr = (char *)malloc (len + strlen (replace) + strlen (end) + 1); + memcpy (*ptr, name, len); + strcpy (*ptr + len, replace); + strcat (*ptr, end); + + return true; + } + else + { + *ptr = strdup (name); + + return false; + } +} + +bool +rxvt_font_x11::load (const rxvt_fontprop &prop, bool force_prop) +{ + dTermDisplay; + + clear (); + + char field_str[64]; // enough for 128 bits + + // first morph the font if required + if (force_prop) + { + char *fname; + + if (name[0] != '-') + { + f = XLoadQueryFont (disp, name); + + if (!f) + return false; + + char *new_name = get_property (f, XA_FONT, 0); + + if (new_name) + set_name (new_name); + else + rxvt_warn ("font '%s' has no FONT property, continuing without.\n", name); + + XFreeFont (disp, f); + f = 0; + } + + if (prop.weight != rxvt_fontprop::unset) + { + replace_field (&fname, name, 2, 0, + prop.weight < rxvt_fontprop::bold + ? "medium" : "bold"); + set_name (fname); + } + + if (prop.slant != rxvt_fontprop::unset) + { + replace_field (&fname, name, 3, 0, + prop.slant < rxvt_fontprop::italic + ? "r" : "i"); // TODO: handle "o"blique, too + set_name (fname); + } + } + + sprintf (field_str, "%d", prop.height == rxvt_fontprop::unset + ? 0 : prop.height); + + struct font_weight { + char *name; + int diff; + + void clear () + { + name = 0; + diff = 0x7fffffff; + } + + font_weight () { clear (); } + ~font_weight () { free (name); } + }; + + char **list; + int count; + list = XListFonts (disp, name, 4000, &count); + + set_name (0); + + if (!list) + return false; + + font_weight *fonts = new font_weight[count]; + + for (int i = 0; i < count; i++) + { + rxvt_fontprop p; + char *fname; + + int diff = 0; + + if (replace_field (&fname, list[i], 6, '0', field_str)) + diff += 10; // slightly penalize scalable fonts + else + { + free (fname); + if (replace_field (&fname, list[i], 11, '0', "0")) + diff += 300; // more heavily penalize what looks like scaled bitmap fonts + } + + if (!set_properties (p, fname) + // also weed out too large fonts + || (prop.height != rxvt_fontprop::unset + && p.height > prop.height)) + { + free (fname); + continue; + } + + if (prop.height != rxvt_fontprop::unset) diff += (prop.height - p.height) * 128; + if (prop.weight != rxvt_fontprop::unset) diff += abs (prop.weight - p.weight); + if (prop.slant != rxvt_fontprop::unset) diff += abs (prop.slant - p.slant); + //if (prop.width != rxvt_fontprop::unset) diff += abs (prop.width - p.width); + + fonts[i].name = fname; + fonts[i].diff = diff; + } + + XFreeFontNames (list); + + // this loop only iterates when the guessed font-size is too small + for (;;) + { + font_weight *best = fonts; + + for (font_weight *w = fonts + 1; w < fonts + count; w++) + if (w->diff < best->diff) + best = w; + + if (!best->name + || !(f = XLoadQueryFont (disp, best->name))) + break; + + set_name (best->name); + best->clear (); + + ascent = f->ascent; + descent = f->descent; + height = ascent + descent; + + if (prop.height == rxvt_fontprop::unset + || height <= prop.height) + break; // font is ready for use + + // PIXEL_SIZE small enough, but real height too large + clear (); + } + + delete [] fonts; + + if (!f) + return false; + + char *registry = get_property (f, term->xa [XA_CHARSET_REGISTRY], 0); + char *encoding = get_property (f, term->xa [XA_CHARSET_ENCODING], 0); + + cs = CS_UNKNOWN; + + if (registry && encoding) + { + char charset[64]; + snprintf (charset, 64, "%s-%s", registry, encoding); + + cs = codeset_from_name (charset); + + if (cs == CS_UNKNOWN) + rxvt_warn ("%s: cannot deduce encoding from registry/encoding properties \"%s\", ignoring font.\n", name, charset); + } + + free (registry); + free (encoding); + + if (cs == CS_UNKNOWN) + { + char *value = get_property (f, XA_FONT, 0); + const char *charset = value; + + if (!charset) + charset = name; + + int count = 13; + while (*charset) + if (*charset++ == '-' && !--count) + break; + + cs = codeset_from_name (charset); + if (cs == CS_UNKNOWN) + rxvt_warn ("%s: cannot deduce encoding from font name property \"%s\", ignoring font.\n", name, charset); + + free (value); + } + + if (cs == CS_UNKNOWN) + { + clear (); + return false; + } + + if (cs == CS_UNICODE) + cs = CS_UNICODE_16; // X11 can have a max. of 65536 chars per font + + encm = f->min_byte1 != 0 || f->max_byte1 != 0; + enc2b = encm || f->max_char_or_byte2 > 255; + + slow = false; + +#if 1 // only used for slow detection, TODO optimize + if (f->min_bounds.width == f->max_bounds.width || !f->per_char) + width = f->max_bounds.width; + else + { + slow = true; + + int N = f->max_char_or_byte2 - f->min_char_or_byte2; + + if (encm) + N += (f->max_byte1 - f->min_byte1) + * (f->max_char_or_byte2 - f->min_char_or_byte2 + 1); + + while (N) + { + if (f->per_char[N].width > width) + width = f->per_char[N].width; + + --N; + } + } +#endif + + width = 1; + + for (uint16_t *t = extent_test_chars; t < extent_test_chars + ecb_array_length (extent_test_chars); t++) + { + if (FROM_UNICODE (cs, *t) == NOCHAR) + continue; + + // ignore characters we wouldn't use anyways + bool careful; + if (!has_char (*t, &prop, careful)) + continue; + + // the casts are needed in C++11 (see 8.5.1) + XChar2b ch = { (unsigned char)(*t >> 8), (unsigned char)*t }; + + XCharStruct g; + int dir_ret, asc_ret, des_ret; + XTextExtents16 (f, &ch, 1, &dir_ret, &asc_ret, &des_ret, &g); + + int wcw = WCWIDTH (*t); + if (wcw > 0) g.width = (g.width + wcw - 1) / wcw; + + if (width < g.width) width = g.width; + } + +#if 0 // do it per-character + if (prop && width > prop->width) + { + clear (); + return false; + } +#endif + + return true; +} + +void +rxvt_font_x11::clear () +{ + if (f) + { + XFreeFont (term->dpy, f); + f = 0; + } +} + +bool +rxvt_font_x11::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const +{ + careful = false; + + uint32_t ch = FROM_UNICODE (cs, unicode); + + if (ch == NOCHAR) + return false; + + /* check whether the character exists in _this_ font. horrible. */ + XCharStruct *xcs; + + if (encm) + { + unsigned char byte1 = ch >> 8; + unsigned char byte2 = ch & 255; + + if (byte1 < f->min_byte1 || byte1 > f->max_byte1 + || byte2 < f->min_char_or_byte2 || byte2 > f->max_char_or_byte2) + return false; + + if (f->per_char) + { + int D = f->max_char_or_byte2 - f->min_char_or_byte2 + 1; + int N = (byte1 - f->min_byte1) * D + byte2 - f->min_char_or_byte2; + + xcs = f->per_char + N; + } + else + xcs = &f->max_bounds; + } + else + { + if (ch < f->min_char_or_byte2 || ch > f->max_char_or_byte2) + return false; + + if (f->per_char) + xcs = f->per_char + (ch - f->min_char_or_byte2); + else + xcs = &f->max_bounds; + } + + if (xcs->lbearing == 0 && xcs->rbearing == 0 && xcs->width == 0 + && xcs->ascent == 0 && xcs->descent == 0) + return false; + + if (!prop || prop->width == rxvt_fontprop::unset) + return true; + + // check whether character overlaps previous/next character + int w = xcs->rbearing - xcs->lbearing; + int wcw = max (WCWIDTH (unicode), 1); + + careful = xcs->lbearing < 0 || xcs->rbearing > prop->width * wcw; + + if (careful && !OVERLAP_OK (w, wcw, prop)) + return false; + + return true; +} + +void +rxvt_font_x11::draw (rxvt_drawable &d, int x, int y, + const text_t *text, int len, + int fg, int bg) +{ + // this looks like a mess /. + // and it is a mess /. + // yet we are trying to be perfect /. + // but the result still isn't perfect /. + + dTermDisplay; + dTermGC; + + bool slow = this->slow + || width != term->fwidth + || height != term->fheight + || ascent != f->ascent; + + int base = ascent; // sorry, incorrect: term->fbase; + + XGCValues v; + v.foreground = term->pix_colors[fg]; + v.font = f->fid; + + if (enc2b) + { + const XChar2b *xc = enc_xchar2b (text, len, cs, slow); + + if (bg == Color_bg && !slow) + { + v.background = term->pix_colors[bg]; + XChangeGC (disp, gc, GCForeground | GCBackground | GCFont, &v); + XDrawImageString16 (disp, d, gc, x, y + base, xc, len); + } + else + { + clear_rect (d, x, y, term->fwidth * len, term->fheight, bg); + + XChangeGC (disp, gc, GCForeground | GCFont, &v); + + if (slow) + { + do + { + if (xc->byte1 || xc->byte2) + XDrawString16 (disp, d, gc, x, y + base, xc, 1); + + x += term->fwidth; + xc++; len--; + } + while (len); + } + else + XDrawString16 (disp, d, gc, x, y + base, xc, len); + } + } + else + { + const char *xc = enc_char (text, len, cs, slow); + + if (bg == Color_bg && !slow) + { + v.background = term->pix_colors[bg]; + XChangeGC (disp, gc, GCForeground | GCBackground | GCFont, &v); + XDrawImageString (disp, d, gc, x, y + base, xc, len); + } + else + { + clear_rect (d, x, y, term->fwidth * len, term->fheight, bg); + + XChangeGC (disp, gc, GCForeground | GCFont, &v); + + if (slow) + { + do + { + if (*xc) + XDrawString (disp, d, gc, x, y + base, xc, 1); + + x += term->fwidth; + xc++; len--; + } + while (len); + } + else + XDrawString (disp, d, gc, x, y + base, xc, len); + } + } +} + +///////////////////////////////////////////////////////////////////////////// + +#if XFT + +struct rxvt_font_xft : rxvt_font { + rxvt_font_xft () { f = 0; } + + void clear (); + + rxvt_fontprop properties (); + + bool load (const rxvt_fontprop &prop, bool force_prop); + + void draw (rxvt_drawable &d, int x, int y, + const text_t *text, int len, + int fg, int bg); + + bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const; + +protected: + XftFont *f; +}; + +void +rxvt_font_xft::clear () +{ + if (f) + { + XftFontClose (term->dpy, f); + f = 0; + } +} + +rxvt_fontprop +rxvt_font_xft::properties () +{ + rxvt_fontprop p; + + FT_Face face = XftLockFace (f); + + p.width = width; + p.height = height; + p.ascent = ascent; + p.weight = face->style_flags & FT_STYLE_FLAG_BOLD + ? rxvt_fontprop::bold : rxvt_fontprop::medium; + p.slant = face->style_flags & FT_STYLE_FLAG_ITALIC + ? rxvt_fontprop::italic : rxvt_fontprop::roman; + + XftUnlockFace (f); + + return p; +} + +bool +rxvt_font_xft::load (const rxvt_fontprop &prop, bool force_prop) +{ + dTermDisplay; + + clear (); + + FcPattern *p = FcNameParse ((FcChar8 *) name); + + if (!p) + return false; + + FcValue v; + + if (prop.height != rxvt_fontprop::unset + && (FcPatternGet (p, FC_PIXEL_SIZE, 0, &v) != FcResultMatch + && FcPatternGet (p, FC_SIZE, 0, &v) != FcResultMatch)) + FcPatternAddInteger (p, FC_PIXEL_SIZE, prop.height); + + if (prop.weight != rxvt_fontprop::unset + && (force_prop || FcPatternGet (p, FC_WEIGHT, 0, &v) != FcResultMatch)) + FcPatternAddInteger (p, FC_WEIGHT, prop.weight); + + if (prop.slant != rxvt_fontprop::unset + && (force_prop || FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch)) + FcPatternAddInteger (p, FC_SLANT, prop.slant); + +#if 0 // clipping unfortunately destroys our precious double-width-characters + // clip width, we can't do better, or can we? + if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch) + FcPatternAddInteger (p, FC_CHAR_WIDTH, prop.width); +#endif + + if (FcPatternGet (p, FC_MINSPACE, 0, &v) != FcResultMatch) + FcPatternAddBool (p, FC_MINSPACE, 1); + + // store generated name so iso14755 view gives better results + set_name ((char *)FcNameUnparse (p)); + + XftResult result; + FcPattern *match = XftFontMatch (disp, term->display->screen, p, &result); + + FcPatternDestroy (p); + + if (!match) + return false; + + int ftheight = 0; + bool success = true; + + for (;;) + { + p = FcPatternDuplicate (match); + f = XftFontOpenPattern (disp, p); + + if (!f) + { + FcPatternDestroy (p); + success = false; + break; + } + + FT_Face face = XftLockFace (f); + + ascent = (face->size->metrics.ascender + 63) >> 6; + descent = (-face->size->metrics.descender + 63) >> 6; + height = max (ascent + descent, (face->size->metrics.height + 63) >> 6); + width = 0; + + bool scalable = face->face_flags & FT_FACE_FLAG_SCALABLE; + + XftUnlockFace (f); + + int glheight = height; + + for (uint16_t *t = extent_test_chars; t < extent_test_chars + ecb_array_length (extent_test_chars); t++) + { + FcChar16 ch = *t; + + if (cs != CS_UNICODE + && ch > 0x100 + && FROM_UNICODE (cs, ch) == NOCHAR) + continue; + + // ignore characters we wouldn't use anyways + bool careful; + if (!has_char (*t, &prop, careful)) + continue; + + XGlyphInfo g; + XftTextExtents16 (disp, f, &ch, 1, &g); + + g.width -= g.x; + + int wcw = WCWIDTH (ch); + if (wcw > 0) g.width = (g.width + wcw - 1) / wcw; + + if (width < g.width ) width = g.width; + if (height < g.height ) height = g.height; + if (glheight < g.height - g.y) glheight = g.height - g.y; + } + + if (!width) + { + rxvt_warn ("unable to calculate font width for '%s', ignoring.\n", name); + + XftFontClose (disp, f); + f = 0; + + success = false; + break; + } + + if (prop.height == rxvt_fontprop::unset + || (height <= prop.height && glheight <= prop.height) + || height <= 2 + || !scalable) + break; + + if (ftheight) + { + // take smaller steps near the end + if (height > prop.height + 1) ftheight++; + if (height > prop.height + 2) ftheight++; + if (height > prop.height + 3) ftheight++; + + ftheight -= height - prop.height; + } + else + ftheight = prop.height - 1; + + XftFontClose (disp, f); + FcPatternDel (match, FC_PIXEL_SIZE); + FcPatternAddInteger (match, FC_PIXEL_SIZE, ftheight); + } + + FcPatternDestroy (match); + +#if 0 // do it per-character + if (prop.width != rxvt_fontprop::unset && width > prop.width) + { + clear (); + success = false; + } +#endif + + return success; +} + +bool +rxvt_font_xft::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const +{ + careful = false; + + if (!XftCharExists (term->dpy, f, unicode)) + return false; + + if (!prop || prop->width == rxvt_fontprop::unset) + return true; + + // check character against base font bounding box + FcChar32 ch = unicode; + XGlyphInfo g; + XftTextExtents32 (term->dpy, f, &ch, 1, &g); + + int w = g.width - g.x; + int wcw = max (WCWIDTH (unicode), 1); + + careful = g.x > 0 || w > prop->width * wcw; + + if (careful && !OVERLAP_OK (w, wcw, prop)) + return false; + + // this weeds out _totally_ broken fonts, or glyphs + if (!OVERLAP_OK (g.xOff, wcw, prop)) + return false; + + return true; +} + +void +rxvt_font_xft::draw (rxvt_drawable &d, int x, int y, + const text_t *text, int len, + int fg, int bg) +{ + XGlyphInfo extents; + XftGlyphSpec *enc = rxvt_temp_buf (len); + XftGlyphSpec *ep = enc; + + dTermDisplay; + dTermGC; + + int w = term->fwidth * len; + int h = term->fheight; + + bool buffered = bg >= Color_transparent + && term->option (Opt_buffered); + + // cut trailing spaces + while (len && text [len - 1] == ' ') + len--; + + int x_ = buffered ? 0 : x; + int y_ = buffered ? 0 : y; + + while (len) + { + int cwidth = term->fwidth; + FcChar32 fc = *text++; len--; + + while (len && *text == NOCHAR) + text++, len--, cwidth += term->fwidth; + + if (fc != ' ') // skip spaces + { + FT_UInt glyph = XftCharIndex (disp, f, fc); + XftGlyphExtents (disp, f, &glyph, 1, &extents); + + ep->glyph = glyph; + ep->x = x_ + (cwidth - extents.xOff >> 1); + ep->y = y_ + ascent; + + if (extents.xOff == 0) + ep->x = x_ + cwidth; + + ep++; + } + + x_ += cwidth; + } + + if (buffered) + { + if (ep != enc) + { + rxvt_drawable &d2 = d.screen->scratch_drawable (w, h); + +#ifdef HAVE_IMG + Picture dst = 0; // the only assignment is done conditionally in the following if condition + + if (term->bg_img + && (bg == Color_transparent || bg == Color_bg + || (bg >= 0 && !term->pix_colors[bg].is_opaque () && ((dst = XftDrawPicture (d2)))))) + { + int src_x = x, src_y = y; + + if (term->bg_flags & rxvt_term::BG_IS_TRANSPARENT) + { + src_x += term->window_vt_x; + src_y += term->window_vt_y; + } + + if (term->bg_img->w >= src_x + w + && term->bg_img->h >= src_y + h) + { + XCopyArea (disp, term->bg_img->pm, d2, gc, + src_x, src_y, w, h, 0, 0); + } + else + { + XGCValues gcv; + + gcv.fill_style = FillTiled; + gcv.tile = term->bg_img->pm; + gcv.ts_x_origin = -src_x; + gcv.ts_y_origin = -src_y; + + XChangeGC (disp, gc, + GCTile | GCTileStipXOrigin | GCTileStipYOrigin | GCFillStyle, + &gcv); + + XFillRectangle (disp, d2, gc, 0, 0, w, h); + + gcv.fill_style = FillSolid; + XChangeGC (disp, gc, GCFillStyle, &gcv); + } + + if (dst) + { + Picture solid_color_pict = XftDrawSrcPicture (d2, &term->pix_colors[bg].c); + + // dst can only be set when bg >= 0 + XRenderComposite (disp, PictOpOver, solid_color_pict, None, dst, 0, 0, 0, 0, 0, 0, w, h); + } + } + else +#endif + XftDrawRect (d2, &term->pix_colors[bg >= 0 ? bg : Color_bg].c, 0, 0, w, h); + + XftDrawGlyphSpec (d2, &term->pix_colors[fg].c, f, enc, ep - enc); + XCopyArea (disp, d2, d, gc, 0, 0, w, h, x, y); + } + else + clear_rect (d, x, y, w, h, bg); + } + else + { + clear_rect (d, x, y, w, h, bg); + XftDrawGlyphSpec (d, &term->pix_colors[fg].c, f, enc, ep - enc); + } +} + +#endif + +///////////////////////////////////////////////////////////////////////////// + +rxvt_fontset::rxvt_fontset (rxvt_term *term) +: fontdesc (0), term (term) +{ + clear (); +} + +rxvt_fontset::~rxvt_fontset () +{ + clear (); +} + +void +rxvt_fontset::clear () +{ + prop.width = prop.height = prop.ascent = prop.weight = prop.slant + = rxvt_fontprop::unset; + force_prop = false; + + for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++) + (*i)->unref (); + + for (pagemap **p = fmap.begin (); p != fmap.end (); p++) + delete *p; + + free (fontdesc); fontdesc = 0; + + fonts.clear (); + + fallback = fallback_fonts; +} + +void +rxvt_fontset::prepare_font (rxvt_font *font, codeset cs) +{ + font->set_term (term); + + font->cs = cs; + font->loaded = false; +} + +rxvt_font * +rxvt_fontset::new_font (const char *name, codeset cs) +{ + rxvt_font *f; + + if (!name || !*name) + { + name = ""; + f = new rxvt_font_default (this); + } +#if XFT + else if (!strncmp (name, "xft:", 4)) + { + name += 4; + f = new rxvt_font_xft (); + } +#endif + else if (!strncmp (name, "x:", 2)) + { + name += 2; + f = new rxvt_font_x11; + } + else + f = new rxvt_font_x11; + + f->set_name (strdup (name)); + prepare_font (f, cs); + + return f; +} + +///////////////////////////////////////////////////////////////////////////// + +void +rxvt_fontset::push_font (rxvt_font *font) +{ + // the fontCount index is reserved for the overflow font, it is only + // necessary when we get fontCount or more fonts, as they cannot be + // represented in the rendition. + if (fonts.size () == fontCount) + { + rxvt_font *f = new rxvt_font_overflow (this); + + prepare_font (f, CS_UNICODE); + fonts.push_back (f); + } + + fonts.push_back (font); +} + +void +rxvt_fontset::add_fonts (const char *desc) +{ + if (desc) + { + char buf[512]; + const char *end; + + do + { + while (*desc && *desc <= ' ') + desc++; + + codeset cs = CS_UNICODE; + + if (*desc == '[') + { + char spec[256]; + const char *extra = ++desc; // not yet used + + desc = strchr (desc, ']'); + + if (!desc) + { + rxvt_warn ("ERROR: opening '[' without closing ']' in font specification, trying to continue.\n"); + break; + } + + memcpy (spec, extra, min (desc - extra, 255)); + spec[min (desc - extra, 255)] = 0; + + if (!strncmp (extra, "codeset=", sizeof ("codeset=") - 1)) + cs = codeset_from_name (spec + sizeof ("codeset=") - 1); + else + rxvt_warn ("unknown parameter '%s' in font specification, skipping.\n", spec); + + desc++; + while (*desc <= ' ' && *desc) desc++; + } + + end = strchr (desc, ','); + if (!end) + end = desc + strlen (desc); + + if (end - desc < 511) + { + memcpy (buf, desc, end - desc); + buf[end - desc] = 0; + + push_font (new_font (buf, cs)); + } + else + rxvt_warn ("fontset element too long (>511 bytes), ignored.\n"); + + desc = end + 1; + } + while (*end); + } +} + +bool +rxvt_fontset::realize_font (int i) +{ + if (i < 0 || i >= fonts.size ()) + return false; + + if (fonts[i]->loaded) + return true; + + fonts[i]->loaded = true; + + if (!fonts[i]->load (prop, force_prop)) + { + fonts[i]->cs = CS_UNKNOWN; + return false; + } + + return true; +} + +bool +rxvt_fontset::populate (const char *desc) +{ + clear (); + + fontdesc = strdup (desc); + + push_font (new_font (0, CS_UNICODE)); + realize_font (0); + + add_fonts (desc); + + return true; +} + +int +rxvt_fontset::find_font (const char *name) const +{ + for (rxvt_font *const *f = fonts.begin (); f < fonts.end (); f++) + if ((*f)->name && !strcmp ((*f)->name, name)) + return f - fonts.begin (); + + return -1; +} + +int +rxvt_fontset::find_font_idx (unicode_t unicode) +{ + if (unicode >= 1<<20) + return 0; + + unicode_t hi = unicode >> 8; + + if (hi < fmap.size () + && fmap[hi] + && (*fmap[hi])[unicode & 0xff] != 0xff) + return (*fmap[hi])[unicode & 0xff]; + + unsigned int i; + + for (i = 0; i < fonts.size (); i++) + { + rxvt_font *f = fonts[i]; + + if (!f->loaded) + { + if (FROM_UNICODE (f->cs, unicode) == NOCHAR) + goto next_font; + + if (!realize_font (i)) + goto next_font; + + if (prop.ascent != rxvt_fontprop::unset) + max_it (f->ascent, prop.ascent); + } + + if (f->cs == CS_UNKNOWN) + goto next_font; + + bool careful; + if (f->has_char (unicode, &prop, careful)) + { + i = (i << 1) | careful; + + goto found; + } + + next_font: + if (i == fonts.size () - 1) + { + if (fallback->name) + { + // search through the fallback list + push_font (new_font (fallback->name, fallback->cs)); + fallback++; + } + else + { + // try to find a new font. + // only xft currently supported, as there is no + // way to configure this and xft is easier to hack in, + // while x11 has more framework in place already. + // TODO: this is a real resource hog, xft takes ages(?) +#if XFT && USE_SLOW_LOOKUP + // grab the first xft font that seems suitable + // TOOD: should go first for cellchar (spacing 110) then mono, then else + FcPattern *p = FcPatternCreate (); + + FcCharSet *s = FcCharSetCreate (); + FcCharSetAddChar (s, unicode); + FcPatternAddCharSet (p, FC_CHARSET, s); + // charsets don't help that much, as xft might return + // a non-matching font even if a better font is available :/ + + x x x x TODO prop might have unset contents + FcPatternAddInteger (p, FC_PIXEL_SIZE, prop.height); + FcPatternAddInteger (p, FC_WEIGHT, prop.weight); + FcPatternAddInteger (p, FC_SLANT, prop.slant); + FcPatternAddBool (p, FC_MINSPACE, 1); + //FcPatternAddBool (p, FC_ANTIALIAS, 1); + + XftResult result; + FcPattern *match = XftFontMatch (term->dpy, term->display->screen, p, &result); + + FcPatternDestroy (p); + + if (match) + { + FcPatternDel (match, FC_CHARSET); + char *font = (char *)FcNameUnparse (match); + FcPatternDestroy (match); + + if (find_font (font) < 0) + { + char fontname[4096]; + snprintf (fontname, sizeof (fontname), "xft:%s", font); + + push_font (new_font (fontname, CS_UNICODE)); + } + + free (font); + } +#endif + } + } + } + + /* we must return SOME font */ + i = 0; + +found: + // found a font, cache it + if (i < 255) + { + while (hi >= fmap.size ()) + fmap.push_back (0); + + if (!fmap[hi]) + { + fmap[hi] = new pagemap; + memset (fmap[hi], 0xff, sizeof (pagemap)); + } + + (*fmap[hi])[unicode & 0xff] = i; + } + + return i; +} + -- cgit v1.2.3