/*--------------------------------*-C-*---------------------------------*
- * File: defaultfont.C
+ * File: rxvtfont.C
*----------------------------------------------------------------------*
* Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com>
* - original version.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * 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 <cstdlib>
+#include <wchar.h>
+#include <inttypes.h>
#define DISPLAY r->display->display
#define TGC r->TermWin.gc
+#define MAX_OVERLAP (4 + 1) // max. character width in 4ths of the base width
+
const struct rxvt_fallback_font {
codeset cs;
const char *name;
{ 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::spacing=100:lang=ru:antialias=false" },
+
+ { CS_ISO8859_5, "xft::spacing=100:lang=ru:antialias=false" },
+ { CS_ISO8859_6, "xft::spacing=100:lang=ar:antialias=false" },
+ { CS_ISO8859_7, "xft::spacing=100:lang=el:antialias=false" },
+ { CS_ISO8859_8, "xft::spacing=100:lang=he:antialias=false" },
+ { CS_ISO8859_9, "xft::spacing=100:lang=tr:antialias=false" },
+ { CS_ISO8859_10, "xft::spacing=100:lang=se:antialias=false" },
+ { CS_ISO8859_11, "xft::spacing=100:lang=th:antialias=false" },
+# endif
#endif
// japanese
#if ENCODING_JP || ENCODING_JP_EXT
# if XFT
// prefer xft for complex scripts
- { CS_UNICODE, "xft:Kochi Gothic:antialias=false" },
+ { CS_JIS0208_1990_0, "xft:Kochi Gothic:antialias=false" },
+ { CS_JIS0208_1990_0, "xft:Sazanami Mincho:antialias=false" },
+ { CS_JIS0208_1990_0, "xft:Mincho:antialias=false" },
+ { CS_JIS0208_1990_0, "xft::lang=ja:spacing=100: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, "-*-*-*-r-*--*-*-*-*-c-*-jisx0212*-0" },
#endif
-#if ENCODING_CN || ENCODING_CN_EXT
+#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::spacing=100: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::spacing=100: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_F, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-f" },
#endif
-#if XFT
- { CS_UNICODE, "xft:Andale Mono" },
- { CS_UNICODE, "xft:Arial Unicode MS" },
+#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::spacing=100:lang=ko:antialias=false" },
+# endif
#endif
+
+ // generic font fallback
{ CS_UNICODE, "-*-lucidatypewriter-*-*-*-*-*-*-*-*-m-*-iso10646-1" },
{ CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" },
{ CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-c-*-iso10646-1" },
{ CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" },
#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 last only.
- //{ CS_UNICODE, "xft:FreeMono" },
+ { CS_UNICODE, "xft:FreeMono:autohint=true" },
#endif
{ 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 NUM_EXTENT_TEST_CHARS (sizeof (extent_test_chars) / sizeof (extent_test_chars[0]))
+
/////////////////////////////////////////////////////////////////////////////
#if XFT
/////////////////////////////////////////////////////////////////////////////
void
+rxvt_font::set_name (char *name)
+{
+ if (this->name == name)
+ return;
+
+ if (this->name) free (this->name); // let the compiler optimize
+ this->name = name;
+}
+
+void
rxvt_font::clear_rect (rxvt_drawable &d, int x, int y, int w, int h, int color)
{
if (color == Color_bg)
#include "table/linedraw.h"
struct rxvt_font_default : rxvt_font {
+ struct rxvt_fontset *fs;
+
+ rxvt_font_default (rxvt_fontset *fs)
+ : rxvt_font ()
+ {
+ this->fs = fs;
+ }
rxvt_fontprop properties ()
{
width = 1; height = 1;
ascent = 1; descent = 0;
- set_name (strdup ("built-in pseudofont"));
+ set_name (strdup ("built-in support font"));
return true;
}
- bool has_codepoint (unicode_t unicode)
+ bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful)
{
+ careful = false;
+
if (unicode <= 0x001f)
return true;
switch (unicode)
{
case ZERO_WIDTH_CHAR:
+ case NOCHAR:
return true;
}
const text_t *text, int len,
int fg, int bg)
{
+ Display *disp = d.display->display;
+
clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
- XSetForeground (d.display->display, TGC, r->pix_colors[fg]);
+ XSetForeground (disp, TGC, r->pix_colors[fg]);
- while (len--)
+ while (len)
{
#if ENABLE_COMBINING
compose_char *cc;
#endif
- text_t t = *text++;
+ const text_t *tp = text;
+ text_t t = *tp;
+
+ while (++text, --len && *text == NOCHAR)
+ ;
+
+ int width = text - tp;
+ int fwidth = r->TermWin.fwidth * width;
if (0x2500 <= t && t <= 0x259f)
{
uint32_t *a = linedraw_command + (offs >> 4);
uint32_t *b = a + (offs & 15);
- int W = r->TermWin.fwidth;
+ int W = fwidth;
int H = r->TermWin.fheight;
int x_[16];
gcv.cap_style = CapButt;
gcv.line_width = 0;
- XChangeGC (d.display->display, TGC, GCLineWidth | GCCapStyle, &gcv);
+ XChangeGC (disp, TGC, GCLineWidth | GCCapStyle, &gcv);
while (a < b)
{
switch (op)
{
case 0: // line
- XDrawLine (d.display->display, d, TGC, x1, y1, x2, y2);
+ XDrawLine (disp, d, TGC, x1, y1, x2, y2);
break;
case 1: // rectangle, possibly stippled
static char bm[] = { 0,0 , 3,1 , 1,2 , 1,0 };
gcv.fill_style = FillStippled;
- gcv.stipple = XCreateBitmapFromData (d.display->display, d, bm + a * 2, 2, 2);
+ gcv.stipple = XCreateBitmapFromData (disp, d, bm + a * 2, 2, 2);
gcv.ts_x_origin = x;
gcv.ts_y_origin = y;
- XChangeGC (d.display->display, TGC,
+ XChangeGC (disp, TGC,
GCFillStyle | GCStipple | GCTileStipXOrigin | GCTileStipYOrigin,
&gcv);
}
- XFillRectangle (d.display->display, d, TGC, x1, y1, x2 - x1 + 1, y2 - y1 + 1);
+ XFillRectangle (disp, d, TGC, x1, y1, x2 - x1 + 1, y2 - y1 + 1);
if (a)
{
- XFreePixmap (d.display->display, gcv.stipple);
+ XFreePixmap (disp, gcv.stipple);
gcv.stipple = 0;
gcv.fill_style = FillSolid;
- XChangeGC (d.display->display, TGC, GCFillStyle, &gcv);
+ XChangeGC (disp, TGC, GCFillStyle, &gcv);
}
break;
case 2: // arc
- XDrawArc (d.display->display, d, TGC,
+ XDrawArc (disp, d, TGC,
x1 - W/2, y1 - H/2, W-1, H-1,
(a - 1) * 90*64, (b - 1) * 90*64);
break;
#if ENABLE_COMBINING
else if (IS_COMPOSE (t) && (cc = rxvt_composite[t]))
{
+ text_t chrs[2];
+ width = min (2, width);
+ chrs [1] = NOCHAR;
+
+ *chrs = cc->c1;
rxvt_font *f1 = (*fs)[fs->find_font (cc->c1)];
- f1->draw (d, x, y, &(t = cc->c1), 1, fg, bg);
+ f1->draw (d, x, y, chrs, width, fg, bg);
+
if (cc->c2 != NOCHAR)
{
+ bool careful;
+
// prefer font of first character, for no good reasons
- rxvt_font *f2 = f1->has_codepoint (cc->c2)
+ *chrs = cc->c2;
+ rxvt_font *f2 = (f1->has_char (cc->c2, 0, careful) && !careful)
? f1
: (*fs)[fs->find_font (cc->c2)];
- f2->draw (d, x, y, &(t = cc->c2), 1, fg, -1);
+ f2->draw (d, x, y, chrs, width, fg, -1);
}
}
#endif
else
switch (t)
{
+ case '\t':
case ZERO_WIDTH_CHAR:
+ case NOCHAR:
break;
default:
- int w = 0;
- while (len > 0 && *text == NOCHAR)
- {
- ++text;
- --len;
- w += r->TermWin.fwidth;
- }
-
- XDrawRectangle (d.display->display, d, TGC, x + 2, y + 2,
- w + r->TermWin.fwidth - 4, r->TermWin.fheight - 4);
- x += w;
+ XDrawRectangle (disp, d, TGC, x + 2, y + 2,
+ fwidth - 4, r->TermWin.fheight - 4);
}
- x += r->TermWin.fwidth;
+ x += fwidth;
}
}
bool load (const rxvt_fontprop &prop);
- bool has_codepoint (unicode_t unicode);
+ bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful);
void draw (rxvt_drawable &d, int x, int y,
const text_t *text, int len,
int fg, int bg);
+ bool slow; // wether this is a proportional font or has other funny characteristics
XFontStruct *f;
codeset cs;
bool enc2b, encm;
bool
rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth)
{
- p.width = avgwidth ? (avgwidth + 1) / 10 : (height + 1) / 2;
+ p.width = avgwidth ? (avgwidth + 1) / 10 : (height + 1) / 2;
p.height = height;
p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium;
p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic;
rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f)
{
unsigned long height;
+
+#if 0
if (!XGetFontProperty (f, XInternAtom (DISPLAY, "PIXEL_SIZE", 0), &height))
return false;
+#else
+ height = f->ascent + f->descent;
+#endif
unsigned long avgwidth;
if (!XGetFontProperty (f, XInternAtom (DISPLAY, "AVERAGE_WIDTH", 0), &avgwidth))
}
// fix the size of scalable fonts
-static void
-fix_scalable (char *buf, const char *name, const rxvt_fontprop &prop)
+static bool
+replace_field (char *buf, const char *name, int index, const char old, const char *replace)
{
int slashes = 0;
- const char *size;
+ const char *field, *end;
for (const char *c = name; *c; c++)
if (*c == '-')
{
- if (slashes == 6)
- size = c + 1;
+ if (slashes == index)
+ field = c + 1;
+
+ if (slashes == index + 1)
+ end = c;
if (++slashes >= 13)
break;
}
- if (slashes >= 13 && size[0] == '0')
+ if (slashes >= 13 && (!old || *field == old))
{
- strncpy (buf, name, size - name);
- buf += size - name;
- buf += sprintf (buf, "%d", prop.height);
- strcpy (buf, size + 1);
+ // TODO: check for overflow in font-name
+ strncpy (buf, name, field - name);
+ buf += field - name;
+ strcpy (buf, replace);
+ strcat (buf, end);
+
+ return true;
}
else
- strcpy (buf, name);
+ {
+ strcpy (buf, name);
+
+ return false;
+ }
}
bool
rxvt_font_x11::load (const rxvt_fontprop &prop)
{
+ Display *disp = DISPLAY;
+
clear ();
+ char field_str[64]; // enough for 128 bits
+
+ // first morph the font if required
+ if (prop.weight != rxvt_fontprop::unset
+ || prop.slant != rxvt_fontprop::unset)
+ {
+ char fname[1024];
+
+ if (name[0] != '-')
+ {
+ f = XLoadQueryFont (disp, name);
+
+ if (!f)
+ return false;
+
+ char *new_name = get_property (f, "FONT", name);
+
+ if (new_name)
+ set_name (new_name);
+ else
+ rxvt_warn ("font '%s' has no FONT property, continuing without.", 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 (strdup (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 (strdup (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 (DISPLAY, name, 1024, &count);
+ list = XListFonts (disp, name, 4000, &count);
+
set_name (0);
if (!list)
return false;
- int bestdiff = 0x7fffffff;
+ font_weight *fonts = new font_weight[count];
+
for (int i = 0; i < count; i++)
{
rxvt_fontprop p;
char fname[1024];
- fix_scalable (fname, list[i], prop);
+
+ int diff = 0;
+
+ 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 fotns
if (!set_properties (p, fname))
continue;
- if (p.height > prop.height) // weed out too large fonts
+ if (prop.height != rxvt_fontprop::unset
+ && p.height > prop.height) // weed out too large fonts
continue;
- int diff = (prop.height - p.height) * 32
- + abs (prop.weight - p.weight)
- + abs (prop.slant - p.slant );
+ 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);
- if (!name // compare against best found so far
- || diff < bestdiff)
- {
- set_name (strdup (fname));
- bestdiff = diff;
- }
+ fonts[i].name = strdup (fname);
+ fonts[i].diff = diff;
}
XFreeFontNames (list);
- if (!name)
- return false;
+ // this loop only iterates when the guessed font-size is too small
+ for (;;)
+ {
+ font_weight *best = fonts + count - 1;
+
+ for (font_weight *w = best; w-- > fonts; )
+ if (w->diff <= best->diff)
+ best = w;
+
+ if (!best->name
+ || !(f = XLoadQueryFont (disp, best->name)))
+ break;
+
+ set_name (best->name);
+ best->clear ();
- f = XLoadQueryFont (DISPLAY, name);
+ 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;
encm = f->min_byte1 != 0 || f->max_byte1 != 0;
enc2b = encm || f->max_char_or_byte2 > 255;
- ascent = f->ascent;
- descent = f->descent;
- height = ascent + descent;
-
slow = false;
+#if 1 // only used for slow detection, TODO optimize
if (f->min_bounds.width == f->max_bounds.width)
width = f->min_bounds.width;
else if (f->per_char == NULL)
--N;
}
}
+#endif
+
+ width = 1;
+
+ for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; )
+ {
+ if (cs != CS_UNICODE
+ && *t > 0x100
+ && FROM_UNICODE (cs, *t) == NOCHAR)
+ continue;
+
+ // ignore characters we wouldn't use anyways
+ bool careful;
+ if (!has_char (*t, &prop, careful))
+ continue;
+
+ XChar2b ch = { *t >> 8, *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;
+
+ 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)
+ {
+ clear ();
return false;
}
+#endif
return true;
}
}
bool
-rxvt_font_x11::has_codepoint (unicode_t unicode)
+rxvt_font_x11::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful)
{
uint32_t ch = FROM_UNICODE (cs, unicode);
|| byte2 < f->min_char_or_byte2 || byte2 > f->max_char_or_byte2)
return false;
- if (!f->per_char)
- return true;
-
- 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;
+ 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;
+ 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)
- return true;
-
- xcs = f->per_char + (ch - f->min_char_or_byte2);
+ 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 character against base font bounding box
+ int w = xcs->width;
+ int wcw = wcwidth (unicode);
+ if (wcw > 0) w /= wcw;
+
+ careful = w > prop->width;
+ if (careful && w > prop->width * MAX_OVERLAP >> 2)
+ return false;
+
return true;
}
|| width != r->TermWin.fwidth
|| height != r->TermWin.fheight;
- int base = r->TermWin.fbase;
+ int base = ascent; // sorry, incorrect: r->TermWin.fbase;
XGCValues v;
v.foreground = r->pix_colors[fg];
/////////////////////////////////////////////////////////////////////////////
#if XFT
-#if 0
-#define UNIBITS 21
-//#define SWATHBITS (UNIBITS / 2 + 3) // minimum size for "full" tables
-#define SWATHBITS 8
-#endif
struct rxvt_font_xft : rxvt_font {
rxvt_font_xft () { f = 0; }
const text_t *text, int len,
int fg, int bg);
- bool has_codepoint (unicode_t unicode);
+ bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &carefull);
protected:
XftFont *f;
bool
rxvt_font_xft::load (const rxvt_fontprop &prop)
{
-#if 0
- for (int i = 0; i < SWATHCOUNT; i++)
- cvr[i] = 0;
-#endif
+ Display *disp = DISPLAY;
clear ();
FcValue v;
- if (FcPatternGet (p, FC_PIXEL_SIZE, 0, &v) != FcResultMatch)
+ 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 (FcPatternGet (p, FC_WEIGHT, 0, &v) != FcResultMatch)
+ if (prop.weight != rxvt_fontprop::unset
+ && FcPatternGet (p, FC_WEIGHT, 0, &v) != FcResultMatch)
FcPatternAddInteger (p, FC_WEIGHT, prop.weight);
- if (FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch)
+ if (prop.slant != rxvt_fontprop::unset
+ && FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch)
FcPatternAddInteger (p, FC_SLANT, prop.slant);
- if (FcPatternGet (p, FC_MINSPACE, 0, &v) != FcResultMatch)
- FcPatternAddBool (p, FC_MINSPACE, 1);
-
#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)
+ FcPatternAddBool (p, FC_MINSPACE, 1);
+
+ // store generated name so iso14755 view gives better results
+ set_name ((char *)FcNameUnparse (p));
+
XftResult result;
- FcPattern *match = XftFontMatch (DISPLAY, DefaultScreen (DISPLAY), p, &result);
+ FcPattern *match = XftFontMatch (disp, r->display->screen, p, &result);
FcPatternDestroy (p);
if (!match)
return false;
- f = XftFontOpenPattern (DISPLAY, match);
+ int ftheight = 0;
+ bool success = true;
- if (!f)
+ for (;;)
{
- FcPatternDestroy (match);
- return false;
- }
+ f = XftFontOpenPattern (disp, FcPatternDuplicate (match));
- FT_Face face = XftLockFace (f);
+ if (!f)
+ {
+ success = false;
+ break;
+ }
- slow = !FT_IS_FIXED_WIDTH (face);
+ FT_Face face = XftLockFace (f);
- int ftheight = 0;
+ 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;
- for (;;)
- {
- XGlyphInfo g1, g2;
- FcChar8 c;
+ bool scalable = face->face_flags & FT_FACE_FLAG_SCALABLE;
- c = 'i'; XftTextExtents8 (DISPLAY, f, &c, 1, &g1);
- c = 'W'; XftTextExtents8 (DISPLAY, f, &c, 1, &g2);
+ XftUnlockFace (f);
- if (g1.xOff != g2.xOff) // don't simply trust the font
- slow = true;
+ for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; )
+ {
+ FcChar16 ch = *t;
- width = g2.xOff;
- ascent = (face->size->metrics.ascender + 63) >> 6;
- descent = (-face->size->metrics.descender + 63) >> 6;
- height = ascent + descent;
+ 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);
- if (height <= prop.height || !prop.height)
+ int wcw = wcwidth (ch);
+ if (wcw > 0) g.width = g.width / wcw;
+
+ if (width < g.width) width = g.width;
+ if (height < g.height) height = g.height;
+ }
+
+ if (prop.height == rxvt_fontprop::unset
+ || height <= prop.height
+ || height <= 2
+ || !scalable)
break;
if (ftheight)
if (height > prop.height + 2) ftheight++;
if (height > prop.height + 3) ftheight++;
- FT_Set_Pixel_Sizes (face, 0, ftheight -= height - prop.height);
+ ftheight -= height - prop.height;
}
else
- FT_Set_Pixel_Sizes (face, 0, ftheight = prop.height);
+ ftheight = prop.height - 1;
+
+ XftFontClose (disp, f);
+ FcPatternDel (match, FC_PIXEL_SIZE);
+ FcPatternAddInteger (match, FC_PIXEL_SIZE, ftheight);
}
- XftUnlockFace (f);
+ FcPatternDestroy (match);
- return true;
+#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_codepoint (unicode_t unicode)
+rxvt_font_xft::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful)
{
- return XftCharExists (DISPLAY, f, unicode);
+ careful = false;
+
+ if (!XftCharExists (DISPLAY, 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 (DISPLAY, f, &ch, 1, &g);
+
+ int w = g.width;
+ int wcw = wcwidth (unicode);
+ if (wcw > 0) w /= wcw;
+
+ careful = w > prop->width;
+ if (careful && w > prop->width * MAX_OVERLAP >> 2)
+ return false;
+
+ return true;
}
void
{
clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
- if (0 && !slow && width == r->TermWin.fwidth)
- {
- if (sizeof (text_t) == sizeof (FcChar16))
- XftDrawString16 (d, &r->pix_colors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar16 *)text, len);
- else
- XftDrawString32 (d, &r->pix_colors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar32 *)text, len);
- }
- else
+ int base = ascent; // should be fbase, but that is incorrect
+
+ XGlyphInfo extents;
+ FcChar32 *enc = (FcChar32 *) get_enc_buf (len * sizeof (FcChar32));
+ FcChar32 *ep = enc;
+ int ewidth = 0;
+ int xoff = 0;
+
+ while (len)
{
- while (len)
+ int cwidth = r->TermWin.fwidth;
+ FcChar32 fc = *text++; len--;
+ FT_UInt gl;
+
+ while (len && *text == NOCHAR)
+ text++, len--, cwidth += r->TermWin.fwidth;
+
+ gl = XftCharIndex (d.display->display, f, fc);
+ XftGlyphExtents (d.display->display, f, &gl, 1, &extents);
+
+ if (extents.xOff != cwidth && ep != enc)
{
- if (*text != NOCHAR && *text != ' ')
- {
- int fwidth = r->TermWin.fwidth;
- if (len >= 2 && text[1] == NOCHAR)
- fwidth *= 2;
+ if (xoff > ewidth) xoff = ewidth;
+ XftDrawGlyphs (d, &r->pix_colors[fg].c, f,
+ x + (ewidth - xoff >> 1),
+ y + base, enc, ep - enc);
+ x += ewidth;
+
+ ep = enc;
+ ewidth = 0;
+ xoff = 0;
+ }
- XGlyphInfo extents;
- if (sizeof (text_t) == sizeof (FcChar16))
- {
- XftTextExtents16 (d.display->display, f, (const FcChar16 *)text, 1, &extents);
- XftDrawString16 (d, &r->pix_colors[fg].c, f, x + extents.x + (fwidth - extents.width) / 2,
- y + r->TermWin.fbase, (const FcChar16 *)text, 1);
- }
- else
- {
- XGlyphInfo extents;
- XftTextExtents32 (d.display->display, f, (const FcChar32 *)text, 1, &extents);
- XftDrawString32 (d, &r->pix_colors[fg].c, f, x + extents.x + (fwidth - extents.width) / 2,
- y + r->TermWin.fbase, (const FcChar32 *)text, 1);
- }
- }
+ if (fc == ' ' && ep == enc) // skip leading spaces
+ {
+ x += cwidth;
+ continue;
+ }
- x += r->TermWin.fwidth;
- text++;
- len--;
+ else
+ {
+ *ep++ = gl;
+ ewidth += cwidth;
+ xoff += extents.xOff;
}
}
+
+ if (ep != enc)
+ {
+ if (xoff > ewidth) xoff = ewidth;
+ XftDrawGlyphs (d, &r->pix_colors[fg].c, f,
+ x + (ewidth - xoff >> 1),
+ y + base, enc, ep - enc);
+ }
}
#endif
void
rxvt_fontset::clear ()
{
+ prop.width = prop.height = prop.weight = prop.slant
+ = rxvt_fontprop::unset;
+
for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++)
FONT_UNREF (*i);
+ for (pagemap **p = fmap.begin (); p != fmap.end (); p++)
+ delete *p;
+
free (fontdesc); fontdesc = 0;
fonts.clear ();
- base_id = 0;
- base_prop.height = 0x7fffffff;
- base_prop.weight = rxvt_fontprop::medium;
- base_prop.slant = rxvt_fontprop::roman;
fallback = fallback_fonts;
}
if (!name || !*name)
{
name = "";
- f = new rxvt_font_default;
+ f = new rxvt_font_default (this);
}
#if XFT
else if (!strncmp (name, "xft:", 4))
{
name += 4;
- f = new rxvt_font_xft;
+ f = new rxvt_font_xft ();
}
#endif
else if (!strncmp (name, "x:", 2))
else
f = new rxvt_font_x11;
- f->fs = this;
f->set_term (r);
f->set_name (strdup (name));
do
{
- while (*desc <= ' ') desc++;
+ while (*desc && *desc <= ' ')
+ desc++;
+
+ codeset cs = CS_UNICODE;
if (*desc == '[')
{
- fprintf (stderr, "extra font parameters not yet supported, skipping.\n");
-
- //const char *extra = desc++; // not yet used
+ char spec[256];
+ const char *extra = ++desc; // not yet used
desc = strchr (desc, ']');
if (!desc)
{
- fprintf (stderr, "ERROR: opening '[' without closing ']' in font specification.\n");
+ 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++;
}
strncpy (buf, desc, end - desc);
buf[end - desc] = 0;
- fonts.push_back (new_font (buf, CS_UNICODE));
+ fonts.push_back (new_font (buf, cs));
}
+ else
+ rxvt_warn ("fontset element too long (>511 bytes), ignored.");
desc = end + 1;
}
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 (base_prop))
+ if (!fonts[i]->load (prop))
{
fonts[i]->cs = CS_UNKNOWN;
return false;
add_fonts (desc);
- if (!base_id)
- base_id = 1;
-
- // we currently need a base-font, no matter what
- if ((int)fonts.size () <= base_id || !realize_font (base_id))
- {
- puts ("unable to load specified font (s), falling back to 'fixed'\n");
- add_fonts ("fixed");
- base_id = fonts.size () - 1;
- }
-
- if ((int)fonts.size () <= base_id || !realize_font (base_id))
- return false;
-
- base_prop = fonts[base_id]->properties ();
-
return true;
}
}
int
-rxvt_fontset::find_font (unicode_t unicode, bool bold)
+rxvt_fontset::find_font (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];
- for (unsigned int i = !!(0x20 <= unicode && unicode <= 0x7f); // skip pseudo-font for ascii
- i < fonts.size ();
- i++)
+ unsigned int i;
+
+ for (i = 0; i < fonts.size (); i++)
{
rxvt_font *f = fonts[i];
if (f->cs == CS_UNKNOWN)
goto next_font;
- if (bold && f->properties ().weight < rxvt_fontprop::bold)
- goto next_font;
+ bool careful;
+ if (f->has_char (unicode, &prop, careful))
+ {
+ if (careful)
+ i |= 128;
- if (f->has_codepoint (unicode))
- return i;
+ goto found;
+ }
next_font:
if (i == fonts.size () - 1)
fonts.push_back (new_font (fallback->name, fallback->cs));
fallback++;
}
- else if (!bold)
+ 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: bold is being ignroed (obviously).
-#if XFT
+ // TODO: this is a real resource hog, xft takes ages(?)
+#if XFT && USE_SLOW_LOOKUP
// grab the first xft font that seems suitable
FcPattern *p = FcPatternCreate ();
// charsets don't help that much, as xft might return
// a non-matching font even if a better font is available :/
- FcPatternAddInteger (p, FC_PIXEL_SIZE, base_prop.height);
- FcPatternAddInteger (p, FC_WEIGHT, bold ? rxvt_fontprop::bold : base_prop.weight);
- FcPatternAddInteger (p, FC_SLANT, base_prop.slant);
+ 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 (DISPLAY, DefaultScreen (DISPLAY), p, &result);
+ FcPattern *match = XftFontMatch (DISPLAY, r->display->screen, p, &result);
FcPatternDestroy (p);
}
}
- // if no bold font found, use a regular one
- if (bold)
- return find_font (unicode);
+ /* 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] = (pagemap *)new pagemap;
+ memset (fmap[hi], 0xff, sizeof (pagemap));
+ }
+
+ (*fmap[hi])[unicode & 0xff] = i;
+ }
- return 0; /* we must return SOME font */
+ return i;
}
projects / dana / urxvt.git / blobdiff