--- rxvt-unicode/src/rxvtfont.C 2008/01/23 14:18:19 1.140 +++ rxvt-unicode/src/rxvtfont.C 2012/01/25 14:33:42 1.186 @@ -1,7 +1,7 @@ /*----------------------------------------------------------------------* * 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 @@ -24,10 +24,14 @@ #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 @@ -37,7 +41,7 @@ : ((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[] = { @@ -81,8 +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 @@ -130,7 +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" }, @@ -157,8 +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 @@ -218,13 +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 @@ -241,7 +242,7 @@ Picture dst; # ifdef HAVE_BG_PIXMAP - if (term->bgPixmap.pixmap + if (term->bg_pixmap && !term->pix_colors[color].is_opaque () && ((dst = XftDrawPicture (d)))) { @@ -450,7 +451,7 @@ 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) @@ -461,7 +462,7 @@ *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, Color_none); } @@ -484,6 +485,60 @@ } } +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 { @@ -501,7 +556,7 @@ 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; @@ -668,12 +723,12 @@ 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; @@ -740,12 +795,14 @@ diff += 300; // more heavily penalize what looks like scaled bitmap fonts } - if (!set_properties (p, fname)) - continue; - - 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); @@ -761,10 +818,10 @@ // 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 @@ -794,16 +851,26 @@ 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; @@ -814,10 +881,17 @@ 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 @@ -852,7 +926,7 @@ 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; @@ -874,14 +948,6 @@ 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) { @@ -906,12 +972,14 @@ 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) @@ -951,7 +1019,7 @@ 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); @@ -1135,7 +1203,7 @@ #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) @@ -1157,10 +1225,12 @@ for (;;) { - f = XftFontOpenPattern (disp, FcPatternDuplicate (match)); + p = FcPatternDuplicate (match); + f = XftFontOpenPattern (disp, p); if (!f) { + FcPatternDestroy (p); success = false; break; } @@ -1178,7 +1248,7 @@ 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; @@ -1289,7 +1359,7 @@ 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; @@ -1298,15 +1368,8 @@ int w = term->fwidth * len; int h = term->fheight; - /* - * Maybe make buffering into a resource flag? Compile time option doesn't seems like a - * good idea from the perspective of packaging for wide variety of user configs. - */ - bool buffered = bg >= Color_transparent; -#ifdef FORCE_UNBUFFERED_XFT - buffered = false; -#endif - buffered=false;//D + bool buffered = bg >= Color_transparent + && term->option (Opt_buffered); // cut trailing spaces while (len && text [len - 1] == ' ') @@ -1348,24 +1411,24 @@ rxvt_drawable &d2 = d.screen->scratch_drawable (w, h); #ifdef HAVE_BG_PIXMAP - Picture dst = 0; + Picture dst = 0; // the only assignment is done conditionally in the following if condition - if (term->bgPixmap.pixmap + if (term->bg_pixmap && (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->bgPixmap.is_parentOrigin ()) + if (term->bg_flags & rxvt_term::BG_IS_TRANSPARENT) { src_x += term->window_vt_x; src_y += term->window_vt_y; } - if (term->bgPixmap.pmap_width >= src_x + w - && term->bgPixmap.pmap_height >= src_y + h) + if (term->bg_pmap_width >= src_x + w + && term->bg_pmap_height >= src_y + h) { - XCopyArea (disp, term->bgPixmap.pixmap, d2, gc, + XCopyArea (disp, term->bg_pixmap, d2, gc, src_x, src_y, w, h, 0, 0); } else @@ -1373,7 +1436,7 @@ XGCValues gcv; gcv.fill_style = FillTiled; - gcv.tile = term->bgPixmap.pixmap; + gcv.tile = term->bg_pixmap; gcv.ts_x_origin = -src_x; gcv.ts_y_origin = -src_y; @@ -1391,12 +1454,13 @@ { 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 - clear_rect (d, x, y, w, h, bg); + 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); @@ -1434,10 +1498,10 @@ 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; + delete [] *p; free (fontdesc); fontdesc = 0; @@ -1446,6 +1510,15 @@ 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) { @@ -1471,11 +1544,8 @@ 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; } @@ -1483,6 +1553,23 @@ ///////////////////////////////////////////////////////////////////////////// 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) @@ -1531,10 +1618,10 @@ 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; } @@ -1569,7 +1656,7 @@ fontdesc = strdup (desc); - fonts.push_back (new_font (0, CS_UNICODE)); + push_font (new_font (0, CS_UNICODE)); realize_font (0); add_fonts (desc); @@ -1588,7 +1675,7 @@ } int -rxvt_fontset::find_font (unicode_t unicode) +rxvt_fontset::find_font_idx (unicode_t unicode) { if (unicode >= 1<<20) return 0; @@ -1624,8 +1711,7 @@ bool careful; if (f->has_char (unicode, &prop, careful)) { - if (careful) - i |= 128; + i = (i << 1) | careful; goto found; } @@ -1636,7 +1722,7 @@ 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 @@ -1677,9 +1763,9 @@ 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); @@ -1701,6 +1787,9 @@ if (!fmap[hi]) { + // C++ has no separate new and new [] - we need the "new" form, + // just like the syntax implies, but since pagemap is char[], + // C++ chooses the wrong new, so we need the cast and delete []. fmap[hi] = (pagemap *)new pagemap; memset (fmap[hi], 0xff, sizeof (pagemap)); } @@ -1711,5 +1800,3 @@ return i; } - -