--- rxvt-unicode/src/rxvtfont.C 2006/10/03 10:28:25 1.104 +++ rxvt-unicode/src/rxvtfont.C 2021/06/19 09:13:51 1.213 @@ -1,12 +1,12 @@ /*----------------------------------------------------------------------* * File: rxvtfont.C *----------------------------------------------------------------------* - * Copyright (c) 2003-2006 Marc Lehmann + * 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 2 of the License, or + * 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, @@ -21,14 +21,17 @@ #include "../config.h" #include "rxvt.h" -#include "rxvtlib.h" #include "rxvtutil.h" #include "rxvtfont.h" -#include +#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 @@ -38,19 +41,19 @@ : ((prop)->width * (wcw) * MAX_OVERLAP_ROMAN + 7) >> 3 \ )) -const struct rxvt_fallback_font { +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 + +#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" }, @@ -67,7 +70,7 @@ # 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" }, @@ -82,8 +85,8 @@ #if ENCODING_JP || ENCODING_JP_EXT # if XFT // prefer xft for complex scripts - { CS_JIS0208_1990_0, "xft:Kochi Gothic:antialias=false" }, { 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 @@ -131,7 +134,6 @@ # endif #endif - { CS_UNICODE, "-*-lucidatypewriter-*-*-*-*-*-*-*-*-m-*-iso10646-1" }, //{ 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" }, @@ -158,8 +160,6 @@ 0x304c, 0x672c, // が本 }; -#define NUM_EXTENT_TEST_CHARS (sizeof (extent_test_chars) / sizeof (extent_test_chars[0])) - #define dTermDisplay Display *disp = term->dpy #define dTermGC GC gc = term->gc @@ -219,13 +219,13 @@ } void -rxvt_font::set_name (char *name) +rxvt_font::set_name (char *name_) { - if (this->name == name) + if (name == name_) return; - if (this->name) free (this->name); // let the compiler optimize - this->name = name; + if (name) free (name); // let the compiler optimize + name = name_; } void @@ -233,13 +233,28 @@ { dTermDisplay; dTermGC; - - if (color < 0 || color == Color_bg) + + if (color == Color_bg || color == Color_transparent) XClearArea (disp, d, x, y, w, h, false); - else + else if (color >= 0) { #if XFT - XftDrawRect (d, &term->pix_colors[color].c, x, y, w, h); + 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); @@ -249,9 +264,8 @@ ///////////////////////////////////////////////////////////////////////////// -#include "table/linedraw.h" - -struct rxvt_font_default : rxvt_font { +struct rxvt_font_default : rxvt_font +{ struct rxvt_fontset *fs; rxvt_font_default (rxvt_fontset *fs) @@ -295,12 +309,14 @@ 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; + // we do not check for IS_COMPOSE here, as this would + // rob other fonts from taking over. switch (unicode) { @@ -331,20 +347,22 @@ while (len) { -#if ENABLE_COMBINING - compose_char *cc; -#endif const text_t *tp = text; text_t t = *tp; while (++text, --len && *text == NOCHAR) ; +#if ENABLE_COMBINING + compose_char *cc; +#endif 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); @@ -392,7 +410,7 @@ 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; @@ -421,16 +439,19 @@ } } } +#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 (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) @@ -441,9 +462,9 @@ *chrs = cc->c2; rxvt_font *f2 = (f1->has_char (cc->c2, 0, careful) && !careful) ? f1 - : (*fs)[fs->find_font (cc->c2)]; + : (*fs)[fs->find_font_idx (cc->c2)]; - f2->draw (d, x, y, chrs, width, fg, -1); + f2->draw (d, x, y, chrs, width, fg, Color_none); } } #endif @@ -455,6 +476,15 @@ case NOCHAR: break; + /* + * If the base font does not support variation selectors, treat them as ZWC. + * a point could be made to do this for all wcwidth == 0 characters, but I + * decided against that until more data is available. + */ + case 0xfe00: case 0xfe01: case 0xfe02: case 0xfe03: case 0xfe04: case 0xfe05: case 0xfe06: case 0xfe07: + case 0xfe08: case 0xfe09: case 0xfe0a: case 0xfe0b: case 0xfe0c: case 0xfe0d: case 0xfe0e: case 0xfe0f: + break; + default: XDrawRectangle (disp, d, gc, x + 2, y + 2, fwidth - 4, term->fheight - 4); @@ -464,9 +494,65 @@ } } +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 { +struct rxvt_font_x11 : rxvt_font +{ rxvt_font_x11 () { f = 0; } void clear (); @@ -481,7 +567,7 @@ const text_t *text, int len, int fg, int bg); - bool slow; // wether this is a proportional font or has other funny characteristics + bool slow; // whether this is a proportional font or has other funny characteristics XFontStruct *f; bool enc2b, encm; @@ -499,7 +585,7 @@ if (XGetFontProperty (f, property, &value)) return XGetAtomName (term->dpy, value); else - return rxvt_strdup (repl); + return repl ? strdup (repl) : 0; } rxvt_fontprop @@ -591,7 +677,7 @@ // fix the size of scalable fonts static bool -replace_field (char *buf, const char *name, int index, const char old, const char *replace) +replace_field (char **ptr, const char *name, int index, const char old, const char *replace) { int slashes = 0; const char *field, *end; @@ -611,17 +697,17 @@ if (slashes >= 13 && (!old || *field == old)) { - // TODO: check for overflow in font-name - strncpy (buf, name, field - name); - buf += field - name; - strcpy (buf, replace); - strcat (buf, end); + 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 { - strcpy (buf, name); + *ptr = strdup (name); return false; } @@ -639,7 +725,7 @@ // first morph the font if required if (force_prop) { - char fname[1024]; + char *fname; if (name[0] != '-') { @@ -648,12 +734,12 @@ if (!f) return false; - char *new_name = get_property (f, XA_FONT, name); + 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.", name); + rxvt_warn ("font '%s' has no FONT property, continuing without.\n", name); XFreeFont (disp, f); f = 0; @@ -661,18 +747,18 @@ if (prop.weight != rxvt_fontprop::unset) { - replace_field (fname, name, 2, 0, + replace_field (&fname, name, 2, 0, prop.weight < rxvt_fontprop::bold ? "medium" : "bold"); - set_name (strdup (fname)); + set_name (fname); } if (prop.slant != rxvt_fontprop::unset) { - replace_field (fname, name, 3, 0, + replace_field (&fname, name, 3, 0, prop.slant < rxvt_fontprop::italic ? "r" : "i"); // TODO: handle "o"blique, too - set_name (strdup (fname)); + set_name (fname); } } @@ -707,28 +793,34 @@ for (int i = 0; i < count; i++) { rxvt_fontprop p; - char fname[1024]; + char *fname; int diff = 0; - if (replace_field (fname, list[i], 6, '0', field_str)) + if (replace_field (&fname, list[i], 6, '0', field_str)) diff += 10; // slightly penalize scalable fonts - else 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)) - continue; + else + { + free (fname); + if (replace_field (&fname, list[i], 11, '0', "0")) + diff += 300; // more heavily penalize what looks like scaled bitmap fonts + } - if (prop.height != rxvt_fontprop::unset - && p.height > prop.height) // weed out too large fonts - continue; + 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 = strdup (fname); + fonts[i].name = fname; fonts[i].diff = diff; } @@ -737,10 +829,10 @@ // this loop only iterates when the guessed font-size is too small for (;;) { - font_weight *best = fonts + count - 1; + font_weight *best = fonts; - for (font_weight *w = best; w-- > fonts; ) - if (w->diff <= best->diff) + for (font_weight *w = fonts + 1; w < fonts + count; w++) + if (w->diff < best->diff) best = w; if (!best->name @@ -770,16 +862,26 @@ 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); } - else + + free (registry); + free (encoding); + + if (cs == CS_UNKNOWN) { - const char *charset = get_property (f, XA_FONT, 0); + char *value = get_property (f, XA_FONT, 0); + const char *charset = value; if (!charset) charset = name; @@ -790,10 +892,17 @@ 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); } - free (registry); - free (encoding); + 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 @@ -815,7 +924,7 @@ 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) @@ -828,7 +937,7 @@ width = 1; - for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; ) + 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; @@ -838,7 +947,8 @@ if (!has_char (*t, &prop, careful)) continue; - XChar2b ch = { *t >> 8, *t }; + // 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; @@ -850,14 +960,6 @@ if (width < g.width) width = g.width; } - if (cs == CS_UNKNOWN) - { - fprintf (stderr, "unable to deduce codeset, ignoring font '%s'\n", name); - - clear (); - return false; - } - #if 0 // do it per-character if (prop && width > prop->width) { @@ -882,12 +984,14 @@ 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 wether the character exists in _this_ font. horrible. */ + /* check whether the character exists in _this_ font. horrible. */ XCharStruct *xcs; if (encm) @@ -927,7 +1031,7 @@ if (!prop || prop->width == rxvt_fontprop::unset) return true; - // check wether character overlaps previous/next character + // check whether character overlaps previous/next character int w = xcs->rbearing - xcs->lbearing; int wcw = max (WCWIDTH (unicode), 1); @@ -954,7 +1058,8 @@ bool slow = this->slow || width != term->fwidth - || height != term->fheight; + || height != term->fheight + || ascent != f->ascent; int base = ascent; // sorry, incorrect: term->fbase; @@ -977,7 +1082,7 @@ clear_rect (d, x, y, term->fwidth * len, term->fheight, bg); XChangeGC (disp, gc, GCForeground | GCFont, &v); - + if (slow) { do @@ -1009,7 +1114,7 @@ clear_rect (d, x, y, term->fwidth * len, term->fheight, bg); XChangeGC (disp, gc, GCForeground | GCFont, &v); - + if (slow) { do @@ -1032,8 +1137,12 @@ #if XFT -struct rxvt_font_xft : rxvt_font { - rxvt_font_xft () { f = 0; } +struct rxvt_font_xft : rxvt_font +{ + rxvt_font_xft () + { + f = 0; + } void clear (); @@ -1045,7 +1154,7 @@ const text_t *text, int len, int fg, int bg); - bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &carefull) const; + bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const; protected: XftFont *f; @@ -1111,7 +1220,7 @@ #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); + FcPatternAddInteger (p, FC_CHAR_WIDTH, prop.width); #endif if (FcPatternGet (p, FC_MINSPACE, 0, &v) != FcResultMatch) @@ -1133,10 +1242,12 @@ for (;;) { - f = XftFontOpenPattern (disp, FcPatternDuplicate (match)); + p = FcPatternDuplicate (match); + f = XftFontOpenPattern (disp, p); if (!f) { + FcPatternDestroy (p); success = false; break; } @@ -1154,7 +1265,7 @@ int glheight = height; - for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; ) + for (uint16_t *t = extent_test_chars; t < extent_test_chars + ecb_array_length (extent_test_chars); t++) { FcChar16 ch = *t; @@ -1183,12 +1294,8 @@ if (!width) { - rxvt_warn ("unable to calculate font width for '%s', ignoring.\n", name); - - XftFontClose (disp, f); - f = 0; - - success = false; + rxvt_warn ("unable to calculate font width for '%s', using max_advance_width.\n", name); + width = f->max_advance_width; break; } @@ -1233,19 +1340,32 @@ { careful = false; - if (!XftCharExists (term->dpy, f, unicode)) + // handle non-bmp chars when text_t is 16 bit +#if ENABLE_COMBINING && !UNICODE_3 + if (ecb_expect_false (IS_COMPOSE (unicode))) + if (compose_char *cc = rxvt_composite [unicode]) + if (cc->c2 == NOCHAR) + unicode = cc->c1; + else + return false; + else + return false; +#endif + + FcChar32 chr = unicode; + + if (!XftCharExists (term->dpy, f, chr)) return false; if (!prop || prop->width == rxvt_fontprop::unset) return true; - // check character against base font bounding box - FcChar32 ch = unicode; + int wcw = max (WCWIDTH (chr), 1); + XGlyphInfo g; - XftTextExtents32 (term->dpy, f, &ch, 1, &g); + XftTextExtents32 (term->dpy, f, &chr, 1, &g); int w = g.width - g.x; - int wcw = max (WCWIDTH (unicode), 1); careful = g.x > 0 || w > prop->width * wcw; @@ -1264,8 +1384,7 @@ const text_t *text, int len, int fg, int bg) { - XGlyphInfo extents; - XftGlyphSpec *enc = (XftGlyphSpec *)rxvt_temp_buf (len * sizeof (XftGlyphSpec)); + XftGlyphSpec *enc = rxvt_temp_buf (len); XftGlyphSpec *ep = enc; dTermDisplay; @@ -1274,14 +1393,8 @@ int w = term->fwidth * len; int h = term->fheight; - bool buffered = bg >= 0 // we don't use a transparent bg -#ifndef FORCE_UNBUFFERED_XFT -# if defined(XPM_BACKGROUND) || defined(TRANSPARENT) - || !term->am_transparent // we aren't transparent - || term->am_pixmap_trans // we have a pixmap -# endif -#endif - ; + bool buffered = bg >= Color_transparent + && term->option (Opt_buffered); // cut trailing spaces while (len && text [len - 1] == ' ') @@ -1293,24 +1406,57 @@ while (len) { int cwidth = term->fwidth; - FcChar32 fc = *text++; len--; + FcChar32 chr = *text++; len--; + + // handle non-bmp chars when text_t is 16 bit + #if ENABLE_COMBINING && !UNICODE_3 + if (ecb_expect_false (IS_COMPOSE (chr))) + if (compose_char *cc = rxvt_composite [chr]) + if (cc->c2 == NOCHAR) + chr = cc->c1; + #endif while (len && *text == NOCHAR) text++, len--, cwidth += term->fwidth; - - if (fc != ' ') // skip spaces + + if (chr != ' ') // skip spaces { - FT_UInt glyph = XftCharIndex (disp, f, fc); + #if 0 + FT_UInt glyphs [decltype (exp)::max_size]; + + for (int i = 0; i < nchrs; ++i) + glyphs [i] = XftCharIndex (disp, f, chrs [i]); + + for (int i = 0; i < nchrs; ++i) + { + XGlyphInfo ep; + XftGlyphExtents (disp, f, glyphs+i, 1, &ep); + printf ("gs %4x g %4x + %3d,%3d o %3d,%3d wh %3d,%3d\n", chrs[i],glyphs[i],ep.x,ep.y,ep.xOff,ep.yOff,ep.width,ep.height); + } + #endif + + FT_UInt glyph = XftCharIndex (disp, f, chr); + XGlyphInfo extents; XftGlyphExtents (disp, f, &glyph, 1, &extents); ep->glyph = glyph; - ep->x = x_ + (cwidth - extents.xOff >> 1); + ep->x = x_; ep->y = y_ + ascent; - if (extents.xOff == 0) - ep->x = x_ + cwidth; + // the xft font cell might differ from the terminal font cell, + // in which case we use the average between the two. + ep->x += cwidth - extents.xOff >> 1; + + // xft/freetype represent combining characters as characters with zero + // width rendered over the previous character with some fonts, while + // in other fonts, they are considered normal characters, while yet + // in other fonts, they are shifted all over the place. + // we handle the first two cases by keying off on xOff being 0 + // for zero-width chars. normally, we would add extents.xOff + // of the base character here, but we don't have that, so we use cwidth. + ep->x += extents.xOff ? 0 : cwidth; - ep++; + ++ep; } x_ += cwidth; @@ -1322,35 +1468,57 @@ { rxvt_drawable &d2 = d.screen->scratch_drawable (w, h); - if (0) - ; -#ifdef TRANSPARENT - else if (bg < 0 && term->am_pixmap_trans) - XCopyArea (disp, term->pixmap, d2, gc, - x + term->window_vt_x, y + term->window_vt_y, - w, h, 0, 0); -#endif -#ifdef XPM_BACKGROUND - else if (bg < 0 && term->bgPixmap.pixmap) +#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)))))) { - XGCValues gcv; + 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; + } - gcv.fill_style = FillTiled; - gcv.tile = term->pixmap; - gcv.ts_x_origin = -x; - gcv.ts_y_origin = -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; - GC gc2 = XCreateGC (disp, d2, - GCTile | GCTileStipXOrigin | GCTileStipYOrigin | GCFillStyle, - &gcv); + gcv.fill_style = FillTiled; + gcv.tile = term->bg_img->pm; + gcv.ts_x_origin = -src_x; + gcv.ts_y_origin = -src_y; - XFillRectangle (disp, d2, gc2, 0, 0, w, h); + 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); - XFreeGC (disp, gc2); + // dst can only be set when bg >= 0 + XRenderComposite (disp, PictOpOver, solid_color_pict, None, dst, 0, 0, 0, 0, 0, 0, w, h); + } } -#endif else - XftDrawRect (d2, &term->pix_colors[bg].c, 0, 0, w, h); +#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); @@ -1388,7 +1556,7 @@ force_prop = false; for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++) - FONT_UNREF (*i); + (*i)->unref (); for (pagemap **p = fmap.begin (); p != fmap.end (); p++) delete *p; @@ -1400,11 +1568,20 @@ 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 = ""; @@ -1425,11 +1602,8 @@ else f = new rxvt_font_x11; - f->set_term (term); f->set_name (strdup (name)); - - f->cs = cs; - f->loaded = false; + prepare_font (f, cs); return f; } @@ -1437,6 +1611,23 @@ ///////////////////////////////////////////////////////////////////////////// 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) @@ -1473,7 +1664,7 @@ rxvt_warn ("unknown parameter '%s' in font specification, skipping.\n", spec); desc++; - while (*desc <= ' ') desc++; + while (*desc <= ' ' && *desc) desc++; } end = strchr (desc, ','); @@ -1482,13 +1673,13 @@ if (end - desc < 511) { - strncpy (buf, desc, end - desc); + memcpy (buf, desc, end - desc); buf[end - desc] = 0; - fonts.push_back (new_font (buf, cs)); + push_font (new_font (buf, cs)); } else - rxvt_warn ("fontset element too long (>511 bytes), ignored."); + rxvt_warn ("fontset element too long (>511 bytes), ignored.\n"); desc = end + 1; } @@ -1523,7 +1714,7 @@ fontdesc = strdup (desc); - fonts.push_back (new_font (0, CS_UNICODE)); + push_font (new_font (0, CS_UNICODE)); realize_font (0); add_fonts (desc); @@ -1542,17 +1733,18 @@ } int -rxvt_fontset::find_font (unicode_t unicode) +rxvt_fontset::find_font_idx (unicode_t unicode) { - if (unicode >= 1<<20) + // this limits fmap size. it has to accommodate COMPOSE_HI when UNICODE_3 + if (unicode > 0x1fffff) return 0; unicode_t hi = unicode >> 8; - if (hi < fmap.size () - && fmap[hi] - && (*fmap[hi])[unicode & 0xff] != 0xff) - return (*fmap[hi])[unicode & 0xff]; + if (hi < fmap.size ()) + if (pagemap *pm = fmap[hi]) + if ((*pm)[unicode & 0xff] != 0xff) + return (*pm)[unicode & 0xff]; unsigned int i; @@ -1578,8 +1770,7 @@ bool careful; if (f->has_char (unicode, &prop, careful)) { - if (careful) - i |= 128; + i = (i << 1) | careful; goto found; } @@ -1587,10 +1778,15 @@ next_font: if (i == fonts.size () - 1) { + // compose characters are handled by the default font, unless another font takes over + // we do not go via the fallback list for speed reasons. + if (IS_COMPOSE (unicode)) + return 0; + if (fallback->name) { // search through the fallback list - fonts.push_back (new_font (fallback->name, fallback->cs)); + push_font (new_font (fallback->name, fallback->cs)); fallback++; } else @@ -1602,6 +1798,7 @@ // 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 (); @@ -1631,9 +1828,9 @@ if (find_font (font) < 0) { char fontname[4096]; - sprintf (fontname, "xft:%-.4090s", font); + snprintf (fontname, sizeof (fontname), "xft:%s", font); - fonts.push_back (new_font (fontname, CS_UNICODE)); + push_font (new_font (fontname, CS_UNICODE)); } free (font); @@ -1655,7 +1852,7 @@ if (!fmap[hi]) { - fmap[hi] = (pagemap *)new pagemap; + fmap[hi] = new pagemap; memset (fmap[hi], 0xff, sizeof (pagemap)); } @@ -1665,5 +1862,3 @@ return i; } - -