/* Font backend for the Microsoft W32 API.
- Copyright (C) 2007, 2008 Free Software Foundation, Inc.
+ Copyright (C) 2007, 2008, 2009 Free Software Foundation, Inc.
This file is part of GNU Emacs.
-GNU Emacs is free software; you can redistribute it and/or modify
+GNU Emacs 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, or (at your option)
-any later version.
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GNU Emacs; see the file COPYING. If not, write to
-the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA. */
-
-#ifdef USE_FONT_BACKEND
+along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
#include <windows.h>
#include <math.h>
+#include <ctype.h>
+#include <commdlg.h>
+#include <setjmp.h>
#include "lisp.h"
#include "w32term.h"
#include "dispextern.h"
#include "character.h"
#include "charset.h"
+#include "coding.h"
#include "fontset.h"
#include "font.h"
#include "w32font.h"
#define CLEARTYPE_NATURAL_QUALITY 6
#endif
+/* VIETNAMESE_CHARSET and JOHAB_CHARSET are not defined in some versions
+ of MSVC headers. */
+#ifndef VIETNAMESE_CHARSET
+#define VIETNAMESE_CHARSET 163
+#endif
+#ifndef JOHAB_CHARSET
+#define JOHAB_CHARSET 130
+#endif
+
extern struct font_driver w32font_driver;
Lisp_Object Qgdi;
static Lisp_Object Qraster, Qoutline, Qunknown;
/* antialiasing */
-extern Lisp_Object QCantialias, QCotf, QClanguage; /* defined in font.c */
+extern Lisp_Object QCantialias, QCotf, QClang; /* defined in font.c */
extern Lisp_Object Qnone; /* reuse from w32fns.c */
static Lisp_Object Qstandard, Qsubpixel, Qnatural;
/* languages */
-static Lisp_Object Qja, Qko, Qzh;
+static Lisp_Object Qzh;
/* scripts */
static Lisp_Object Qlatin, Qgreek, Qcoptic, Qcyrillic, Qarmenian, Qhebrew;
static Lisp_Object Qkhmer, Qmongolian, Qsymbol, Qbraille, Qhan;
static Lisp_Object Qideographic_description, Qcjk_misc, Qkana, Qbopomofo;
static Lisp_Object Qkanbun, Qyi, Qbyzantine_musical_symbol;
-static Lisp_Object Qmusical_symbol, Qmathematical;
+static Lisp_Object Qmusical_symbol, Qmathematical, Qcham, Qphonetic;
/* Not defined in characters.el, but referenced in fontset.el. */
static Lisp_Object Qbalinese, Qbuginese, Qbuhid, Qcuneiform, Qcypriot;
static Lisp_Object Qdeseret, Qglagolitic, Qgothic, Qhanunoo, Qkharoshthi;
static Lisp_Object Qlimbu, Qlinear_b, Qold_italic, Qold_persian, Qosmanya;
static Lisp_Object Qphags_pa, Qphoenician, Qshavian, Qsyloti_nagri;
static Lisp_Object Qtagalog, Qtagbanwa, Qtai_le, Qtifinagh, Qugaritic;
-/* Only defined here, but useful for distinguishing IPA capable fonts. */
-static Lisp_Object Qphonetic;
+
+/* W32 charsets: for use in Vw32_charset_info_alist. */
+static Lisp_Object Qw32_charset_ansi, Qw32_charset_default;
+static Lisp_Object Qw32_charset_symbol, Qw32_charset_shiftjis;
+static Lisp_Object Qw32_charset_hangeul, Qw32_charset_gb2312;
+static Lisp_Object Qw32_charset_chinesebig5, Qw32_charset_oem;
+static Lisp_Object Qw32_charset_easteurope, Qw32_charset_turkish;
+static Lisp_Object Qw32_charset_baltic, Qw32_charset_russian;
+static Lisp_Object Qw32_charset_arabic, Qw32_charset_greek;
+static Lisp_Object Qw32_charset_hebrew, Qw32_charset_vietnamese;
+static Lisp_Object Qw32_charset_thai, Qw32_charset_johab, Qw32_charset_mac;
+
+/* Associative list linking character set strings to Windows codepages. */
+static Lisp_Object Vw32_charset_info_alist;
/* Font spacing symbols - defined in font.c. */
extern Lisp_Object Qc, Qp, Qm;
static int w32font_full_name P_ ((LOGFONT *, Lisp_Object, int, char *, int));
static void compute_metrics P_ ((HDC, struct w32font_info *, unsigned int,
struct w32_metric_cache *));
-static void clear_cached_metrics P_ ((struct w32font_info *));
static Lisp_Object w32_registry P_ ((LONG, DWORD));
style variations if the font name is not specified. */
static void list_all_matching_fonts P_ ((struct font_callback_data *));
-/* From old font code in w32fns.c */
-char * w32_to_x_charset P_ ((int, char *));
-
static int
memq_no_quit (elt, list)
return (CONSP (list));
}
+Lisp_Object
+intern_font_name (string)
+ char * string;
+{
+ Lisp_Object obarray, tem, str;
+ int len;
+
+ str = DECODE_SYSTEM (build_string (string));
+ len = SCHARS (str);
+
+ /* The following code is copied from the function intern (in lread.c). */
+ obarray = Vobarray;
+ if (!VECTORP (obarray) || XVECTOR (obarray)->size == 0)
+ obarray = check_obarray (obarray);
+ tem = oblookup (obarray, SDATA (str), len, len);
+ if (SYMBOLP (tem))
+ return tem;
+ return Fintern (str, obarray);
+}
+
/* w32 implementation of get_cache for font backend.
Return a cache of font-entities on FRAME. The cache must be a
cons whose cdr part is the actual cache area. */
w32font_list (frame, font_spec)
Lisp_Object frame, font_spec;
{
- return w32font_list_internal (frame, font_spec, 0);
+ Lisp_Object fonts = w32font_list_internal (frame, font_spec, 0);
+ FONT_ADD_LOG ("w32font-list", font_spec, fonts);
+ return fonts;
}
/* w32 implementation of match for font backend.
w32font_match (frame, font_spec)
Lisp_Object frame, font_spec;
{
- return w32font_match_internal (frame, font_spec, 0);
+ Lisp_Object entity = w32font_match_internal (frame, font_spec, 0);
+ FONT_ADD_LOG ("w32font-match", font_spec, entity);
+ return entity;
}
/* w32 implementation of list_family for font backend.
/* w32 implementation of open for font backend.
Open a font specified by FONT_ENTITY on frame F.
If the font is scalable, open it with PIXEL_SIZE. */
-static struct font *
+static Lisp_Object
w32font_open (f, font_entity, pixel_size)
FRAME_PTR f;
Lisp_Object font_entity;
int pixel_size;
{
- struct w32font_info *w32_font = xmalloc (sizeof (struct w32font_info));
+ Lisp_Object font_object
+ = font_make_object (VECSIZE (struct w32font_info),
+ font_entity, pixel_size);
+ struct w32font_info *w32_font
+ = (struct w32font_info *) XFONT_OBJECT (font_object);
- if (w32_font == NULL)
- return NULL;
+ ASET (font_object, FONT_TYPE_INDEX, Qgdi);
- if (!w32font_open_internal (f, font_entity, pixel_size, w32_font))
+ if (!w32font_open_internal (f, font_entity, pixel_size, font_object))
{
- xfree (w32_font);
- return NULL;
+ return Qnil;
}
- return (struct font *) w32_font;
+ /* GDI backend does not use glyph indices. */
+ w32_font->glyph_idx = 0;
+
+ return font_object;
}
/* w32 implementation of close for font_backend.
FRAME_PTR f;
struct font *font;
{
- if (font->font.font)
- {
- W32FontStruct *old_w32_font = (W32FontStruct *)font->font.font;
- DeleteObject (old_w32_font->hfont);
- xfree (old_w32_font);
- font->font.font = 0;
- }
-
- if (font->font.full_name && font->font.full_name != font->font.name)
- xfree (font->font.full_name);
+ int i;
+ struct w32font_info *w32_font = (struct w32font_info *) font;
- if (font->font.name)
- xfree (font->font.name);
+ /* Delete the GDI font object. */
+ DeleteObject (w32_font->hfont);
- xfree (font);
+ /* Free all the cached metrics. */
+ if (w32_font->cached_metrics)
+ {
+ for (i = 0; i < w32_font->n_cache_blocks; i++)
+ {
+ xfree (w32_font->cached_metrics[i]);
+ }
+ xfree (w32_font->cached_metrics);
+ w32_font->cached_metrics = NULL;
+ }
}
/* w32 implementation of has_char for font backend.
Lisp_Object entity;
int c;
{
+ /* We can't be certain about which characters a font will support until
+ we open it. Checking the scripts that the font supports turns out
+ to not be reliable. */
+ return -1;
+
+#if 0
Lisp_Object supported_scripts, extra, script;
DWORD mask;
return -1;
supported_scripts = assq_no_quit (QCscript, extra);
+ /* If font doesn't claim to support any scripts, then we can't be certain
+ until we open it. */
if (!CONSP (supported_scripts))
return -1;
script = CHAR_TABLE_REF (Vchar_script_table, c);
- return (memq_no_quit (script, supported_scripts)) ? -1 : 0;
+ /* If we don't know what script the character is from, then we can't be
+ certain until we open it. Also if the font claims support for the script
+ the character is from, it may only have partial coverage, so we still
+ can't be certain until we open the font. */
+ if (NILP (script) || memq_no_quit (script, supported_scripts))
+ return -1;
+
+ /* Font reports what scripts it supports, and none of them are the script
+ the character is from. But we still can't be certain, as some fonts
+ will contain some/most/all of the characters in that script without
+ claiming support for it. */
+ return -1;
+#endif
}
/* w32 implementation of encode_char for font backend.
Return a glyph code of FONT for characer C (Unicode code point).
- If FONT doesn't have such a glyph, return FONT_INVALID_CODE. */
+ If FONT doesn't have such a glyph, return FONT_INVALID_CODE.
+
+ For speed, the gdi backend uses unicode (Emacs calls encode_char
+ far too often for it to be efficient). But we still need to detect
+ which characters are not supported by the font.
+ */
static unsigned
w32font_encode_char (font, c)
struct font *font;
int c;
{
- struct frame *f;
- HDC dc;
- HFONT old_font;
- DWORD retval;
- GCP_RESULTSW result;
- wchar_t in[2];
- wchar_t out[2];
- int len;
- struct w32font_info *w32_font = (struct w32font_info *) font;
-
- /* If glyph indexing is not working for this font, just return the
- unicode code-point. */
- if (!w32_font->glyph_idx)
- return c;
-
- if (c > 0xFFFF)
- {
- /* TODO: Encode as surrogate pair and lookup the glyph. */
- return FONT_INVALID_CODE;
- }
- else
- {
- in[0] = (wchar_t) c;
- len = 1;
- }
-
- bzero (&result, sizeof (result));
- result.lStructSize = sizeof (result);
- result.lpGlyphs = out;
- result.nGlyphs = 2;
+ struct w32font_info * w32_font = (struct w32font_info *)font;
- f = XFRAME (selected_frame);
-
- dc = get_frame_dc (f);
- old_font = SelectObject (dc, ((W32FontStruct *) (font->font.font))->hfont);
-
- retval = GetCharacterPlacementW (dc, in, len, 0, &result, 0);
-
- SelectObject (dc, old_font);
- release_frame_dc (f, dc);
-
- if (retval)
- {
- if (result.nGlyphs != 1 || !result.lpGlyphs[0])
- return FONT_INVALID_CODE;
- return result.lpGlyphs[0];
- }
+ if (c < w32_font->metrics.tmFirstChar
+ || c > w32_font->metrics.tmLastChar)
+ return FONT_INVALID_CODE;
else
- {
- int i;
- /* Mark this font as not supporting glyph indices. This can happen
- on Windows9x, and maybe with non-Truetype fonts on NT etc. */
- w32_font->glyph_idx = 0;
- /* Clear metrics cache. */
- clear_cached_metrics (w32_font);
-
- return c;
- }
+ return c;
}
/* w32 implementation of text_extents for font backend.
HDC dc = NULL;
struct frame * f;
int total_width = 0;
- WORD *wcode = NULL;
+ WORD *wcode;
SIZE size;
+ struct w32font_info *w32_font = (struct w32font_info *) font;
+
if (metrics)
{
- struct w32font_info *w32_font = (struct w32font_info *) font;
-
- metrics->width = 0;
+ bzero (metrics, sizeof (struct font_metrics));
metrics->ascent = font->ascent;
metrics->descent = font->descent;
- metrics->lbearing = 0;
for (i = 0; i < nglyphs; i++)
{
if (!w32_font->cached_metrics)
w32_font->cached_metrics
= xmalloc ((block + 1)
- * sizeof (struct w32_cached_metric *));
+ * sizeof (struct w32_metric_cache *));
else
w32_font->cached_metrics
= xrealloc (w32_font->cached_metrics,
(block + 1)
- * sizeof (struct w32_cached_metric *));
+ * sizeof (struct w32_metric_cache *));
bzero (w32_font->cached_metrics + w32_font->n_cache_blocks,
((block + 1 - w32_font->n_cache_blocks)
- * sizeof (struct w32_cached_metric *)));
+ * sizeof (struct w32_metric_cache *)));
w32_font->n_cache_blocks = block + 1;
}
if (!w32_font->cached_metrics[block])
{
w32_font->cached_metrics[block]
- = xmalloc (CACHE_BLOCKSIZE * sizeof (struct font_metrics));
+ = xmalloc (CACHE_BLOCKSIZE * sizeof (struct w32_metric_cache));
bzero (w32_font->cached_metrics[block],
- CACHE_BLOCKSIZE * sizeof (struct font_metrics));
+ CACHE_BLOCKSIZE * sizeof (struct w32_metric_cache));
}
char_metric = w32_font->cached_metrics[block] + pos_in_block;
font structure. Use selected_frame until the API
is updated to pass in a frame. */
f = XFRAME (selected_frame);
-
+
dc = get_frame_dc (f);
- old_font = SelectObject (dc, ((W32FontStruct *)
- (font->font.font))->hfont);
+ old_font = SelectObject (dc, w32_font->hfont);
}
compute_metrics (dc, w32_font, *(code + i), char_metric);
}
/* For non-truetype fonts, GetGlyphOutlineW is not supported, so
fallback on other methods that will at least give some of the metric
information. */
- if (!wcode) {
- wcode = alloca (nglyphs * sizeof (WORD));
- for (i = 0; i < nglyphs; i++)
- {
- if (code[i] < 0x10000)
- wcode[i] = code[i];
- else
- {
- /* TODO: Convert to surrogate, reallocating array if needed */
- wcode[i] = 0xffff;
- }
- }
- }
+
+ /* Make array big enough to hold surrogates. */
+ wcode = alloca (nglyphs * sizeof (WORD) * 2);
+ for (i = 0; i < nglyphs; i++)
+ {
+ if (code[i] < 0x10000)
+ wcode[i] = code[i];
+ else
+ {
+ DWORD surrogate = code[i] - 0x10000;
+
+ /* High surrogate: U+D800 - U+DBFF. */
+ wcode[i++] = 0xD800 + ((surrogate >> 10) & 0x03FF);
+ /* Low surrogate: U+DC00 - U+DFFF. */
+ wcode[i] = 0xDC00 + (surrogate & 0x03FF);
+ /* An extra glyph. wcode is already double the size of code to
+ cope with this. */
+ nglyphs++;
+ }
+ }
+
if (dc == NULL)
{
/* TODO: Frames can come and go, and their fonts outlive
f = XFRAME (selected_frame);
dc = get_frame_dc (f);
- old_font = SelectObject (dc, ((W32FontStruct *)
- (font->font.font))->hfont);
+ old_font = SelectObject (dc, w32_font->hfont);
}
if (GetTextExtentPoint32W (dc, wcode, nglyphs, &size))
if (!total_width)
{
RECT rect;
- rect.top = 0; rect.bottom = font->font.height; rect.left = 0; rect.right = 1;
+ rect.top = 0; rect.bottom = font->height; rect.left = 0; rect.right = 1;
DrawTextW (dc, wcode, nglyphs, &rect,
DT_CALCRECT | DT_NOPREFIX | DT_SINGLELINE);
total_width = rect.right;
/* Give our best estimate of the metrics, based on what we know. */
if (metrics)
{
- metrics->width = total_width;
+ metrics->width = total_width - w32_font->metrics.tmOverhang;
metrics->lbearing = 0;
- metrics->rbearing = total_width
- + ((struct w32font_info *) font)->metrics.tmOverhang;
+ metrics->rbearing = total_width;
}
/* Restore state and release DC. */
int from, to, x, y, with_background;
{
UINT options;
- HRGN orig_clip;
- struct w32font_info *w32font = (struct w32font_info *) s->face->font_info;
+ HRGN orig_clip = NULL;
+ struct w32font_info *w32font = (struct w32font_info *) s->font;
options = w32font->glyph_idx;
- /* Save clip region for later restoration. */
- GetClipRgn(s->hdc, orig_clip);
-
if (s->num_clips > 0)
{
HRGN new_clip = CreateRectRgnIndirect (s->clip);
+ /* Save clip region for later restoration. */
+ orig_clip = CreateRectRgn (0, 0, 0, 0);
+ if (!GetClipRgn(s->hdc, orig_clip))
+ {
+ DeleteObject (orig_clip);
+ orig_clip = NULL;
+ }
+
if (s->num_clips > 1)
{
HRGN clip2 = CreateRectRgnIndirect (s->clip + 1);
{
HBRUSH brush;
RECT rect;
- struct font *font = (struct font *) s->face->font_info;
+ struct font *font = s->font;
brush = CreateSolidBrush (s->gc->background);
rect.left = x;
/* Restore clip region. */
if (s->num_clips > 0)
- {
- SelectClipRgn (s->hdc, orig_clip);
- }
+ SelectClipRgn (s->hdc, orig_clip);
+
+ if (orig_clip)
+ DeleteObject (orig_clip);
}
/* w32 implementation of free_entity for font backend.
bzero (&match_data.pattern, sizeof (LOGFONT));
fill_in_logfont (f, &match_data.pattern, font_spec);
+ /* If the charset is unrecognized, then we won't find a font, so don't
+ waste time looking for one. */
+ if (match_data.pattern.lfCharSet == DEFAULT_CHARSET)
+ {
+ Lisp_Object spec_charset = AREF (font_spec, FONT_REGISTRY_INDEX);
+ if (!NILP (spec_charset)
+ && !EQ (spec_charset, Qiso10646_1)
+ && !EQ (spec_charset, Qunicode_bmp)
+ && !EQ (spec_charset, Qunicode_sip)
+ && !EQ (spec_charset, Qunknown))
+ return Qnil;
+ }
+
match_data.opentype_only = opentype_only;
if (opentype_only)
match_data.pattern.lfOutPrecision = OUT_OUTLINE_PRECIS;
release_frame_dc (f, dc);
}
- return NILP (match_data.list) ? null_vector : Fvconcat (1, &match_data.list);
+ return match_data.list;
}
/* Internal implementation of w32font_match.
}
int
-w32font_open_internal (f, font_entity, pixel_size, w32_font)
+w32font_open_internal (f, font_entity, pixel_size, font_object)
FRAME_PTR f;
Lisp_Object font_entity;
int pixel_size;
- struct w32font_info *w32_font;
+ Lisp_Object font_object;
{
- int len, size;
+ int len, size, i;
LOGFONT logfont;
HDC dc;
HFONT hfont, old_font;
Lisp_Object val, extra;
- /* For backwards compatibility. */
- W32FontStruct *compat_w32_font;
+ struct w32font_info *w32_font;
+ struct font * font;
+ OUTLINETEXTMETRICW* metrics = NULL;
+
+ w32_font = (struct w32font_info *) XFONT_OBJECT (font_object);
+ font = (struct font *) w32_font;
- struct font * font = (struct font *) w32_font;
if (!font)
return 0;
bzero (&logfont, sizeof (logfont));
fill_in_logfont (f, &logfont, font_entity);
+ /* Prefer truetype fonts, to avoid known problems with type1 fonts, and
+ limitations in bitmap fonts. */
+ val = AREF (font_entity, FONT_FOUNDRY_INDEX);
+ if (!EQ (val, Qraster))
+ logfont.lfOutPrecision = OUT_TT_PRECIS;
+
size = XINT (AREF (font_entity, FONT_SIZE_INDEX));
if (!size)
size = pixel_size;
dc = get_frame_dc (f);
old_font = SelectObject (dc, hfont);
- GetTextMetrics (dc, &w32_font->metrics);
+ /* Try getting the outline metrics (only works for truetype fonts). */
+ len = GetOutlineTextMetricsW (dc, 0, NULL);
+ if (len)
+ {
+ metrics = (OUTLINETEXTMETRICW *) alloca (len);
+ if (GetOutlineTextMetricsW (dc, len, metrics))
+ bcopy (&metrics->otmTextMetrics, &w32_font->metrics,
+ sizeof (TEXTMETRICW));
+ else
+ metrics = NULL;
+ }
- w32_font->glyph_idx = ETO_GLYPH_INDEX;
+ if (!metrics)
+ GetTextMetricsW (dc, &w32_font->metrics);
w32_font->cached_metrics = NULL;
w32_font->n_cache_blocks = 0;
SelectObject (dc, old_font);
release_frame_dc (f, dc);
- /* W32FontStruct - we should get rid of this, and use the w32font_info
- struct for any W32 specific fields. font->font.font can then be hfont. */
- font->font.font = xmalloc (sizeof (W32FontStruct));
- compat_w32_font = (W32FontStruct *) font->font.font;
- bzero (compat_w32_font, sizeof (W32FontStruct));
- compat_w32_font->font_type = UNICODE_FONT;
- /* Duplicate the text metrics. */
- bcopy (&w32_font->metrics, &compat_w32_font->tm, sizeof (TEXTMETRIC));
- compat_w32_font->hfont = hfont;
-
- len = strlen (logfont.lfFaceName);
- font->font.name = (char *) xmalloc (len + 1);
- bcopy (logfont.lfFaceName, font->font.name, len);
- font->font.name[len] = '\0';
+ w32_font->hfont = hfont;
{
char *name;
/* We don't know how much space we need for the full name, so start with
96 bytes and go up in steps of 32. */
len = 96;
- name = xmalloc (len);
+ name = alloca (len);
while (name && w32font_full_name (&logfont, font_entity, pixel_size,
name, len) < 0)
{
- char *new = xrealloc (name, len += 32);
-
- if (! new)
- xfree (name);
- name = new;
+ len += 32;
+ name = alloca (len);
}
if (name)
- font->font.full_name = name;
+ font->props[FONT_FULLNAME_INDEX]
+ = DECODE_SYSTEM (build_string (name));
else
- font->font.full_name = font->font.name;
+ font->props[FONT_FULLNAME_INDEX]
+ = DECODE_SYSTEM (build_string (logfont.lfFaceName));
}
- font->font.charset = 0;
- font->font.codepage = 0;
- font->font.size = w32_font->metrics.tmMaxCharWidth;
- font->font.height = w32_font->metrics.tmHeight
+
+ font->max_width = w32_font->metrics.tmMaxCharWidth;
+ /* Parts of Emacs display assume that height = ascent + descent...
+ so height is defined later, after ascent and descent.
+ font->height = w32_font->metrics.tmHeight
+ w32_font->metrics.tmExternalLeading;
- font->font.space_width = font->font.average_width
- = w32_font->metrics.tmAveCharWidth;
-
- font->font.vertical_centering = 0;
- font->font.encoding_type = 0;
- font->font.baseline_offset = 0;
- font->font.relative_compose = 0;
- font->font.default_ascent = w32_font->metrics.tmAscent;
- font->font.font_encoder = NULL;
- font->entity = font_entity;
+ */
+
+ font->space_width = font->average_width = w32_font->metrics.tmAveCharWidth;
+
+ font->vertical_centering = 0;
+ font->encoding_type = 0;
+ font->baseline_offset = 0;
+ font->relative_compose = 0;
+ font->default_ascent = w32_font->metrics.tmAscent;
+ font->font_encoder = NULL;
font->pixel_size = size;
font->driver = &w32font_driver;
/* Use format cached during list, as the information we have access to
{
val = assq_no_quit (QCformat, extra);
if (CONSP (val))
- font->format = XCDR (val);
+ font->props[FONT_FORMAT_INDEX] = XCDR (val);
else
- font->format = Qunknown;
+ font->props[FONT_FORMAT_INDEX] = Qunknown;
}
else
- font->format = Qunknown;
+ font->props[FONT_FORMAT_INDEX] = Qunknown;
- font->file_name = NULL;
+ font->props[FONT_FILE_INDEX] = Qnil;
font->encoding_charset = -1;
font->repertory_charset = -1;
/* TODO: do we really want the minimum width here, which could be negative? */
- font->min_width = font->font.space_width;
+ font->min_width = font->space_width;
font->ascent = w32_font->metrics.tmAscent;
font->descent = w32_font->metrics.tmDescent;
- font->scalable = w32_font->metrics.tmPitchAndFamily & TMPF_VECTOR;
-
- /* max_descent is used for underlining in w32term.c. Hopefully this
- is temporary, as we'll want to get rid of the old compatibility
- stuff later. */
- compat_w32_font->max_bounds.descent = font->descent;
-
- /* Set global flag fonts_changed_p to non-zero if the font loaded
- has a character with a smaller width than any other character
- before, or if the font loaded has a smaller height than any other
- font loaded before. If this happens, it will make a glyph matrix
- reallocation necessary. */
- {
- struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f);
- dpyinfo->n_fonts++;
+ font->height = font->ascent + font->descent;
- if (dpyinfo->n_fonts == 1)
- {
- dpyinfo->smallest_font_height = font->font.height;
- dpyinfo->smallest_char_width = font->min_width;
- }
- else
- {
- if (dpyinfo->smallest_font_height > font->font.height)
- {
- dpyinfo->smallest_font_height = font->font.height;
- fonts_changed_p |= 1;
- }
- if (dpyinfo->smallest_char_width > font->min_width)
- {
- dpyinfo->smallest_char_width = font->min_width;
- fonts_changed_p |= 1;
- }
- }
- }
+ if (metrics)
+ {
+ font->underline_thickness = metrics->otmsUnderscoreSize;
+ font->underline_position = -metrics->otmsUnderscorePosition;
+ }
+ else
+ {
+ font->underline_thickness = 0;
+ font->underline_position = -1;
+ }
+
+ /* For temporary compatibility with legacy code that expects the
+ name to be usable in x-list-fonts. Eventually we expect to change
+ x-list-fonts and other places that use fonts so that this can be
+ an fcname or similar. */
+ font->props[FONT_NAME_INDEX] = Ffont_xlfd_name (font_object, Qnil);
return 1;
}
if (logical_font->elfLogFont.lfFaceName[0] == '@')
return 1;
- family = intern_downcase (logical_font->elfLogFont.lfFaceName,
- strlen (logical_font->elfLogFont.lfFaceName));
+ family = intern_font_name (logical_font->elfLogFont.lfFaceName);
if (! memq_no_quit (family, *list))
*list = Fcons (family, *list);
return 1;
}
+static int w32_decode_weight P_ ((int));
+static int w32_encode_weight P_ ((int));
+
/* Convert an enumerated Windows font to an Emacs font entity. */
static Lisp_Object
w32_enumfont_pattern_entity (frame, logical_font, physical_font,
BYTE generic_type;
DWORD full_type = physical_font->ntmTm.ntmFlags;
- entity = Fmake_vector (make_number (FONT_ENTITY_MAX), Qnil);
+ entity = font_make_entity ();
ASET (entity, FONT_TYPE_INDEX, backend);
- ASET (entity, FONT_FRAME_INDEX, frame);
ASET (entity, FONT_REGISTRY_INDEX, w32_registry (lf->lfCharSet, font_type));
ASET (entity, FONT_OBJLIST_INDEX, Qnil);
/* Foundry is difficult to get in readable form on Windows.
But Emacs crashes if it is not set, so set it to something more
- generic. Thes values make xflds compatible with Emacs 22. */
+ generic. These values make xlfds compatible with Emacs 22. */
if (lf->lfOutPrecision == OUT_STRING_PRECIS)
tem = Qraster;
else if (lf->lfOutPrecision == OUT_STROKE_PRECIS)
else if (generic_type == FF_SWISS)
tem = Qsans;
else
- tem = null_string;
+ tem = Qnil;
ASET (entity, FONT_ADSTYLE_INDEX, tem);
if (physical_font->ntmTm.tmPitchAndFamily & 0x01)
- font_put_extra (entity, QCspacing, make_number (FONT_SPACING_PROPORTIONAL));
+ ASET (entity, FONT_SPACING_INDEX, make_number (FONT_SPACING_PROPORTIONAL));
else
- font_put_extra (entity, QCspacing, make_number (FONT_SPACING_MONO));
+ ASET (entity, FONT_SPACING_INDEX, make_number (FONT_SPACING_CHARCELL));
if (requested_font->lfQuality != DEFAULT_QUALITY)
{
lispy_antialias_type (requested_font->lfQuality));
}
ASET (entity, FONT_FAMILY_INDEX,
- intern_downcase (lf->lfFaceName, strlen (lf->lfFaceName)));
+ intern_font_name (lf->lfFaceName));
- ASET (entity, FONT_WEIGHT_INDEX, make_number (lf->lfWeight));
- ASET (entity, FONT_SLANT_INDEX, make_number (lf->lfItalic ? 200 : 100));
+ FONT_SET_STYLE (entity, FONT_WEIGHT_INDEX,
+ make_number (w32_decode_weight (lf->lfWeight)));
+ FONT_SET_STYLE (entity, FONT_SLANT_INDEX,
+ make_number (lf->lfItalic ? 200 : 100));
/* TODO: PANOSE struct has this info, but need to call GetOutlineTextMetrics
to get it. */
- ASET (entity, FONT_WIDTH_INDEX, make_number (100));
+ FONT_SET_STYLE (entity, FONT_WIDTH_INDEX, make_number (100));
if (font_type & RASTER_FONTTYPE)
- ASET (entity, FONT_SIZE_INDEX, make_number (physical_font->ntmTm.tmHeight));
+ ASET (entity, FONT_SIZE_INDEX,
+ make_number (physical_font->ntmTm.tmHeight
+ + physical_font->ntmTm.tmExternalLeading));
else
ASET (entity, FONT_SIZE_INDEX, make_number (0));
of getting this information easily. */
if (font_type & TRUETYPE_FONTTYPE)
{
- font_put_extra (entity, QCscript,
- font_supported_scripts (&physical_font->ntmFontSig));
+ tem = font_supported_scripts (&physical_font->ntmFontSig);
+ if (!NILP (tem))
+ font_put_extra (entity, QCscript, tem);
}
/* This information is not fully available when opening fonts, so
return 1;
}
+/* Codepage Bitfields in FONTSIGNATURE struct. */
+#define CSB_JAPANESE (1 << 17)
+#define CSB_KOREAN ((1 << 19) | (1 << 21))
+#define CSB_CHINESE ((1 << 18) | (1 << 20))
+
static int
font_matches_spec (type, font, spec, backend, logfont)
DWORD type;
/* Check italic. Can't check logfonts, since it is a boolean field,
so there is no difference between "non-italic" and "don't care". */
- val = AREF (spec, FONT_SLANT_INDEX);
- if (INTEGERP (val))
- {
- int slant = XINT (val);
- if ((slant > 150 && !font->ntmTm.tmItalic)
- || (slant <= 150 && font->ntmTm.tmItalic))
- return 0;
- }
+ {
+ int slant = FONT_SLANT_NUMERIC (spec);
+
+ if (slant >= 0
+ && ((slant > 150 && !font->ntmTm.tmItalic)
+ || (slant <= 150 && font->ntmTm.tmItalic)))
+ return 0;
+ }
/* Check adstyle against generic family. */
val = AREF (spec, FONT_ADSTYLE_INDEX);
return 0;
}
+ /* Check spacing */
+ val = AREF (spec, FONT_SPACING_INDEX);
+ if (INTEGERP (val))
+ {
+ int spacing = XINT (val);
+ int proportional = (spacing < FONT_SPACING_MONO);
+
+ if ((proportional && !(font->ntmTm.tmPitchAndFamily & 0x01))
+ || (!proportional && (font->ntmTm.tmPitchAndFamily & 0x01)))
+ return 0;
+ }
+
/* Check extra parameters. */
for (extra = AREF (spec, FONT_EXTRA_INDEX);
CONSP (extra); extra = XCDR (extra))
if (CONSP (extra_entry))
{
Lisp_Object key = XCAR (extra_entry);
- val = XCDR (extra_entry);
- if (EQ (key, QCspacing))
- {
- int proportional;
- if (INTEGERP (val))
- {
- int spacing = XINT (val);
- proportional = (spacing < FONT_SPACING_MONO);
- }
- else if (EQ (val, Qp))
- proportional = 1;
- else if (EQ (val, Qc) || EQ (val, Qm))
- proportional = 0;
- else
- return 0; /* Bad font spec. */
- if ((proportional && !(font->ntmTm.tmPitchAndFamily & 0x01))
- || (!proportional && (font->ntmTm.tmPitchAndFamily & 0x01)))
- return 0;
- }
- else if (EQ (key, QCscript) && SYMBOLP (val))
+ val = XCDR (extra_entry);
+ if (EQ (key, QCscript) && SYMBOLP (val))
{
/* Only truetype fonts will have information about what
scripts they support. This probably means the user
return 0;
}
}
- else if (EQ (key, QClanguage) && SYMBOLP (val))
+ else if (EQ (key, QClang) && SYMBOLP (val))
{
- /* Just handle the CJK languages here, as the language
+ /* Just handle the CJK languages here, as the lang
parameter is used to select a font with appropriate
glyphs in the cjk unified ideographs block. Other fonts
support for a language can be solely determined by
its character coverage. */
if (EQ (val, Qja))
{
- if (font->ntmTm.tmCharSet != SHIFTJIS_CHARSET)
+ if (!(font->ntmFontSig.fsCsb[0] & CSB_JAPANESE))
return 0;
}
else if (EQ (val, Qko))
{
- if (font->ntmTm.tmCharSet != HANGUL_CHARSET
- && font->ntmTm.tmCharSet != JOHAB_CHARSET)
+ if (!(font->ntmFontSig.fsCsb[0] & CSB_KOREAN))
return 0;
}
else if (EQ (val, Qzh))
{
- if (font->ntmTm.tmCharSet != GB2312_CHARSET
- && font->ntmTm.tmCharSet != CHINESEBIG5_CHARSET)
- return 0;
+ if (!(font->ntmFontSig.fsCsb[0] & CSB_CHINESE))
+ return 0;
}
else
- /* Any other language, we don't recognize it. Fontset
+ /* Any other language, we don't recognize it. Only the above
+ currently appear in fontset.el, so it isn't worth
+ creating a mapping table of codepages/scripts to languages
+ or opening the font to see if there are any language tags
+ in it that the W32 API does not expose. Fontset
spec should have a fallback, as some backends do
not recognize language at all. */
return 0;
return 1;
}
+
+static int
+check_face_name (font, full_name)
+ LOGFONT *font;
+ char *full_name;
+{
+ char full_iname[LF_FULLFACESIZE+1];
+
+ /* Just check for names known to cause problems, since the full name
+ can contain expanded abbreviations, prefixed foundry, postfixed
+ style, the latter of which sometimes differs from the style indicated
+ in the shorter name (eg Lt becomes Light or even Extra Light) */
+
+ /* Helvetica is mapped to Arial in Windows, but if a Type-1 Helvetica is
+ installed, we run into problems with the Uniscribe backend which tries
+ to avoid non-truetype fonts, and ends up mixing the Type-1 Helvetica
+ with Arial's characteristics, since that attempt to use Truetype works
+ some places, but not others. */
+ if (!xstrcasecmp (font->lfFaceName, "helvetica"))
+ {
+ strncpy (full_iname, full_name, LF_FULLFACESIZE);
+ full_iname[LF_FULLFACESIZE] = 0;
+ _strlwr (full_iname);
+ return strstr ("helvetica", full_iname) != NULL;
+ }
+ /* Same for Helv. */
+ if (!xstrcasecmp (font->lfFaceName, "helv"))
+ {
+ strncpy (full_iname, full_name, LF_FULLFACESIZE);
+ full_iname[LF_FULLFACESIZE] = 0;
+ _strlwr (full_iname);
+ return strstr ("helv", full_iname) != NULL;
+ }
+
+ /* Since Times is mapped to Times New Roman, a substring
+ match is not sufficient to filter out the bogus match. */
+ else if (!xstrcasecmp (font->lfFaceName, "times"))
+ return xstrcasecmp (full_name, "times") == 0;
+
+ return 1;
+}
+
+
/* Callback function for EnumFontFamiliesEx.
* Checks if a font matches everything we are trying to check agaist,
* and if so, adds it to a list. Both the data we are checking against
struct font_callback_data *match_data
= (struct font_callback_data *) lParam;
Lisp_Object backend = match_data->opentype_only ? Quniscribe : Qgdi;
+ Lisp_Object entity;
+
+ int is_unicode = physical_font->ntmFontSig.fsUsb[3]
+ || physical_font->ntmFontSig.fsUsb[2]
+ || physical_font->ntmFontSig.fsUsb[1]
+ || physical_font->ntmFontSig.fsUsb[0] & 0x3fffffff;
+
+ /* Skip non matching fonts. */
+
+ /* For uniscribe backend, consider only truetype or opentype fonts
+ that have some unicode coverage. */
+ if (match_data->opentype_only
+ && ((!physical_font->ntmTm.ntmFlags & NTMFLAGS_OPENTYPE
+ && !(font_type & TRUETYPE_FONTTYPE))
+ || !is_unicode))
+ return 1;
+
+ /* Ensure a match. */
+ if (!logfonts_match (&logical_font->elfLogFont, &match_data->pattern)
+ || !font_matches_spec (font_type, physical_font,
+ match_data->orig_font_spec, backend,
+ &logical_font->elfLogFont)
+ || !w32font_coverage_ok (&physical_font->ntmFontSig,
+ match_data->pattern.lfCharSet))
+ return 1;
- if ((!match_data->opentype_only
- || (physical_font->ntmTm.ntmFlags & NTMFLAGS_OPENTYPE)
- || (font_type & TRUETYPE_FONTTYPE))
- && logfonts_match (&logical_font->elfLogFont, &match_data->pattern)
- && font_matches_spec (font_type, physical_font,
- match_data->orig_font_spec, backend,
- &logical_font->elfLogFont)
- && w32font_coverage_ok (&physical_font->ntmFontSig,
- match_data->pattern.lfCharSet)
- /* Avoid substitutions involving raster fonts (eg Helv -> MS Sans Serif)
- We limit this to raster fonts, because the test can catch some
- genuine fonts (eg the full name of DejaVu Sans Mono Light is actually
- DejaVu Sans Mono ExtraLight). Helvetica -> Arial substitution will
- therefore get through this test. Since full names can be prefixed
- by a foundry, we accept raster fonts if the font name is found
- anywhere within the full name. */
- && (logical_font->elfLogFont.lfOutPrecision != OUT_STRING_PRECIS
- || strstr (logical_font->elfFullName,
- logical_font->elfLogFont.lfFaceName)))
+ /* Avoid substitutions involving raster fonts (eg Helv -> MS Sans Serif)
+ We limit this to raster fonts, because the test can catch some
+ genuine fonts (eg the full name of DejaVu Sans Mono Light is actually
+ DejaVu Sans Mono ExtraLight). Helvetica -> Arial substitution will
+ therefore get through this test. Since full names can be prefixed
+ by a foundry, we accept raster fonts if the font name is found
+ anywhere within the full name. */
+ if ((logical_font->elfLogFont.lfOutPrecision == OUT_STRING_PRECIS
+ && !strstr (logical_font->elfFullName,
+ logical_font->elfLogFont.lfFaceName))
+ /* Check for well known substitutions that mess things up in the
+ presence of Type-1 fonts of the same name. */
+ || (!check_face_name (&logical_font->elfLogFont,
+ logical_font->elfFullName)))
+ return 1;
+
+ /* Make a font entity for the font. */
+ entity = w32_enumfont_pattern_entity (match_data->frame, logical_font,
+ physical_font, font_type,
+ &match_data->pattern,
+ backend);
+
+ if (!NILP (entity))
{
- Lisp_Object entity
- = w32_enumfont_pattern_entity (match_data->frame, logical_font,
- physical_font, font_type,
- &match_data->pattern,
- backend);
- if (!NILP (entity))
- match_data->list = Fcons (entity, match_data->list);
+ Lisp_Object spec_charset = AREF (match_data->orig_font_spec,
+ FONT_REGISTRY_INDEX);
+
+ /* iso10646-1 fonts must contain unicode mapping tables. */
+ if (EQ (spec_charset, Qiso10646_1))
+ {
+ if (!is_unicode)
+ return 1;
+ }
+ /* unicode-bmp fonts must contain characters from the BMP. */
+ else if (EQ (spec_charset, Qunicode_bmp))
+ {
+ if (!physical_font->ntmFontSig.fsUsb[3]
+ && !(physical_font->ntmFontSig.fsUsb[2] & 0xFFFFFF9E)
+ && !(physical_font->ntmFontSig.fsUsb[1] & 0xE81FFFFF)
+ && !(physical_font->ntmFontSig.fsUsb[0] & 0x007F001F))
+ return 1;
+ }
+ /* unicode-sip fonts must contain characters in unicode plane 2.
+ so look for bit 57 (surrogates) in the Unicode subranges, plus
+ the bits for CJK ranges that include those characters. */
+ else if (EQ (spec_charset, Qunicode_sip))
+ {
+ if (!physical_font->ntmFontSig.fsUsb[1] & 0x02000000
+ || !physical_font->ntmFontSig.fsUsb[1] & 0x28000000)
+ return 1;
+ }
+
+ /* This font matches. */
+
+ /* If registry was specified, ensure it is reported as the same. */
+ if (!NILP (spec_charset))
+ ASET (entity, FONT_REGISTRY_INDEX, spec_charset);
+
+ /* Otherwise if using the uniscribe backend, report ANSI and DEFAULT
+ fonts as unicode and skip other charsets. */
+ else if (match_data->opentype_only)
+ {
+ if (logical_font->elfLogFont.lfCharSet == ANSI_CHARSET
+ || logical_font->elfLogFont.lfCharSet == DEFAULT_CHARSET)
+ ASET (entity, FONT_REGISTRY_INDEX, Qiso10646_1);
+ else
+ return 1;
+ }
+
+ /* Add this font to the list. */
+ match_data->list = Fcons (entity, match_data->list);
}
return 1;
}
add_font_entity_to_list (logical_font, physical_font, font_type, lParam);
/* If we have a font in the list, terminate the search. */
- return !NILP (match_data->list);
+ return NILP (match_data->list);
+}
+
+/* Old function to convert from x to w32 charset, from w32fns.c. */
+static LONG
+x_to_w32_charset (lpcs)
+ char * lpcs;
+{
+ Lisp_Object this_entry, w32_charset;
+ char *charset;
+ int len = strlen (lpcs);
+
+ /* Support "*-#nnn" format for unknown charsets. */
+ if (strncmp (lpcs, "*-#", 3) == 0)
+ return atoi (lpcs + 3);
+
+ /* All Windows fonts qualify as unicode. */
+ if (!strncmp (lpcs, "iso10646", 8))
+ return DEFAULT_CHARSET;
+
+ /* Handle wildcards by ignoring them; eg. treat "big5*-*" as "big5". */
+ charset = alloca (len + 1);
+ strcpy (charset, lpcs);
+ lpcs = strchr (charset, '*');
+ if (lpcs)
+ *lpcs = '\0';
+
+ /* Look through w32-charset-info-alist for the character set.
+ Format of each entry is
+ (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE)).
+ */
+ this_entry = Fassoc (build_string (charset), Vw32_charset_info_alist);
+
+ if (NILP (this_entry))
+ {
+ /* At startup, we want iso8859-1 fonts to come up properly. */
+ if (xstrcasecmp (charset, "iso8859-1") == 0)
+ return ANSI_CHARSET;
+ else
+ return DEFAULT_CHARSET;
+ }
+
+ w32_charset = Fcar (Fcdr (this_entry));
+
+ /* Translate Lisp symbol to number. */
+ if (EQ (w32_charset, Qw32_charset_ansi))
+ return ANSI_CHARSET;
+ if (EQ (w32_charset, Qw32_charset_symbol))
+ return SYMBOL_CHARSET;
+ if (EQ (w32_charset, Qw32_charset_shiftjis))
+ return SHIFTJIS_CHARSET;
+ if (EQ (w32_charset, Qw32_charset_hangeul))
+ return HANGEUL_CHARSET;
+ if (EQ (w32_charset, Qw32_charset_chinesebig5))
+ return CHINESEBIG5_CHARSET;
+ if (EQ (w32_charset, Qw32_charset_gb2312))
+ return GB2312_CHARSET;
+ if (EQ (w32_charset, Qw32_charset_oem))
+ return OEM_CHARSET;
+ if (EQ (w32_charset, Qw32_charset_johab))
+ return JOHAB_CHARSET;
+ if (EQ (w32_charset, Qw32_charset_easteurope))
+ return EASTEUROPE_CHARSET;
+ if (EQ (w32_charset, Qw32_charset_turkish))
+ return TURKISH_CHARSET;
+ if (EQ (w32_charset, Qw32_charset_baltic))
+ return BALTIC_CHARSET;
+ if (EQ (w32_charset, Qw32_charset_russian))
+ return RUSSIAN_CHARSET;
+ if (EQ (w32_charset, Qw32_charset_arabic))
+ return ARABIC_CHARSET;
+ if (EQ (w32_charset, Qw32_charset_greek))
+ return GREEK_CHARSET;
+ if (EQ (w32_charset, Qw32_charset_hebrew))
+ return HEBREW_CHARSET;
+ if (EQ (w32_charset, Qw32_charset_vietnamese))
+ return VIETNAMESE_CHARSET;
+ if (EQ (w32_charset, Qw32_charset_thai))
+ return THAI_CHARSET;
+ if (EQ (w32_charset, Qw32_charset_mac))
+ return MAC_CHARSET;
+
+ return DEFAULT_CHARSET;
}
+
/* Convert a Lisp font registry (symbol) to a windows charset. */
static LONG
registry_to_w32_charset (charset)
return DEFAULT_CHARSET;
}
+/* Old function to convert from w32 to x charset, from w32fns.c. */
+static char *
+w32_to_x_charset (fncharset, matching)
+ int fncharset;
+ char *matching;
+{
+ static char buf[32];
+ Lisp_Object charset_type;
+ int match_len = 0;
+
+ if (matching)
+ {
+ /* If fully specified, accept it as it is. Otherwise use a
+ substring match. */
+ char *wildcard = strchr (matching, '*');
+ if (wildcard)
+ *wildcard = '\0';
+ else if (strchr (matching, '-'))
+ return matching;
+
+ match_len = strlen (matching);
+ }
+
+ switch (fncharset)
+ {
+ case ANSI_CHARSET:
+ /* Handle startup case of w32-charset-info-alist not
+ being set up yet. */
+ if (NILP (Vw32_charset_info_alist))
+ return "iso8859-1";
+ charset_type = Qw32_charset_ansi;
+ break;
+ case DEFAULT_CHARSET:
+ charset_type = Qw32_charset_default;
+ break;
+ case SYMBOL_CHARSET:
+ charset_type = Qw32_charset_symbol;
+ break;
+ case SHIFTJIS_CHARSET:
+ charset_type = Qw32_charset_shiftjis;
+ break;
+ case HANGEUL_CHARSET:
+ charset_type = Qw32_charset_hangeul;
+ break;
+ case GB2312_CHARSET:
+ charset_type = Qw32_charset_gb2312;
+ break;
+ case CHINESEBIG5_CHARSET:
+ charset_type = Qw32_charset_chinesebig5;
+ break;
+ case OEM_CHARSET:
+ charset_type = Qw32_charset_oem;
+ break;
+ case EASTEUROPE_CHARSET:
+ charset_type = Qw32_charset_easteurope;
+ break;
+ case TURKISH_CHARSET:
+ charset_type = Qw32_charset_turkish;
+ break;
+ case BALTIC_CHARSET:
+ charset_type = Qw32_charset_baltic;
+ break;
+ case RUSSIAN_CHARSET:
+ charset_type = Qw32_charset_russian;
+ break;
+ case ARABIC_CHARSET:
+ charset_type = Qw32_charset_arabic;
+ break;
+ case GREEK_CHARSET:
+ charset_type = Qw32_charset_greek;
+ break;
+ case HEBREW_CHARSET:
+ charset_type = Qw32_charset_hebrew;
+ break;
+ case VIETNAMESE_CHARSET:
+ charset_type = Qw32_charset_vietnamese;
+ break;
+ case THAI_CHARSET:
+ charset_type = Qw32_charset_thai;
+ break;
+ case MAC_CHARSET:
+ charset_type = Qw32_charset_mac;
+ break;
+ case JOHAB_CHARSET:
+ charset_type = Qw32_charset_johab;
+ break;
+
+ default:
+ /* Encode numerical value of unknown charset. */
+ sprintf (buf, "*-#%u", fncharset);
+ return buf;
+ }
+
+ {
+ Lisp_Object rest;
+ char * best_match = NULL;
+ int matching_found = 0;
+
+ /* Look through w32-charset-info-alist for the character set.
+ Prefer ISO codepages, and prefer lower numbers in the ISO
+ range. Only return charsets for codepages which are installed.
+
+ Format of each entry is
+ (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE)).
+ */
+ for (rest = Vw32_charset_info_alist; CONSP (rest); rest = XCDR (rest))
+ {
+ char * x_charset;
+ Lisp_Object w32_charset;
+ Lisp_Object codepage;
+
+ Lisp_Object this_entry = XCAR (rest);
+
+ /* Skip invalid entries in alist. */
+ if (!CONSP (this_entry) || !STRINGP (XCAR (this_entry))
+ || !CONSP (XCDR (this_entry))
+ || !SYMBOLP (XCAR (XCDR (this_entry))))
+ continue;
+
+ x_charset = SDATA (XCAR (this_entry));
+ w32_charset = XCAR (XCDR (this_entry));
+ codepage = XCDR (XCDR (this_entry));
+
+ /* Look for Same charset and a valid codepage (or non-int
+ which means ignore). */
+ if (EQ (w32_charset, charset_type)
+ && (!INTEGERP (codepage) || XINT (codepage) == CP_DEFAULT
+ || IsValidCodePage (XINT (codepage))))
+ {
+ /* If we don't have a match already, then this is the
+ best. */
+ if (!best_match)
+ {
+ best_match = x_charset;
+ if (matching && !strnicmp (x_charset, matching, match_len))
+ matching_found = 1;
+ }
+ /* If we already found a match for MATCHING, then
+ only consider other matches. */
+ else if (matching_found
+ && strnicmp (x_charset, matching, match_len))
+ continue;
+ /* If this matches what we want, and the best so far doesn't,
+ then this is better. */
+ else if (!matching_found && matching
+ && !strnicmp (x_charset, matching, match_len))
+ {
+ best_match = x_charset;
+ matching_found = 1;
+ }
+ /* If this is fully specified, and the best so far isn't,
+ then this is better. */
+ else if ((!strchr (best_match, '-') && strchr (x_charset, '-'))
+ /* If this is an ISO codepage, and the best so far isn't,
+ then this is better, but only if it fully specifies the
+ encoding. */
+ || (strnicmp (best_match, "iso", 3) != 0
+ && strnicmp (x_charset, "iso", 3) == 0
+ && strchr (x_charset, '-')))
+ best_match = x_charset;
+ /* If both are ISO8859 codepages, choose the one with the
+ lowest number in the encoding field. */
+ else if (strnicmp (best_match, "iso8859-", 8) == 0
+ && strnicmp (x_charset, "iso8859-", 8) == 0)
+ {
+ int best_enc = atoi (best_match + 8);
+ int this_enc = atoi (x_charset + 8);
+ if (this_enc > 0 && this_enc < best_enc)
+ best_match = x_charset;
+ }
+ }
+ }
+
+ /* If no match, encode the numeric value. */
+ if (!best_match)
+ {
+ sprintf (buf, "*-#%u", fncharset);
+ return buf;
+ }
+
+ strncpy (buf, best_match, 31);
+ /* If the charset is not fully specified, put -0 on the end. */
+ if (!strchr (best_match, '-'))
+ {
+ int pos = strlen (best_match);
+ /* Charset specifiers shouldn't be very long. If it is a made
+ up one, truncating it should not do any harm since it isn't
+ recognized anyway. */
+ if (pos > 29)
+ pos = 29;
+ strcpy (buf + pos, "-0");
+ }
+ buf[31] = '\0';
+ return buf;
+ }
+}
+
static Lisp_Object
w32_registry (w32_charset, font_type)
LONG w32_charset;
DWORD font_type;
{
- /* If charset is defaulted, use ANSI (unicode for truetype fonts). */
+ char *charset;
+
+ /* If charset is defaulted, charset is unicode or unknown, depending on
+ font type. */
if (w32_charset == DEFAULT_CHARSET)
- w32_charset = ANSI_CHARSET;
+ return font_type == TRUETYPE_FONTTYPE ? Qiso10646_1 : Qunknown;
- if (font_type == TRUETYPE_FONTTYPE && w32_charset == ANSI_CHARSET)
- return Qiso10646_1;
- else
- {
- char * charset = w32_to_x_charset (w32_charset, NULL);
- return intern_downcase (charset, strlen(charset));
- }
+ charset = w32_to_x_charset (w32_charset, NULL);
+ return font_intern_prop (charset, strlen(charset), 1);
+}
+
+static int
+w32_decode_weight (fnweight)
+ int fnweight;
+{
+ if (fnweight >= FW_HEAVY) return 210;
+ if (fnweight >= FW_EXTRABOLD) return 205;
+ if (fnweight >= FW_BOLD) return 200;
+ if (fnweight >= FW_SEMIBOLD) return 180;
+ if (fnweight >= FW_NORMAL) return 100;
+ if (fnweight >= FW_LIGHT) return 50;
+ if (fnweight >= FW_EXTRALIGHT) return 40;
+ if (fnweight > FW_THIN) return 20;
+ return 0;
+}
+
+static int
+w32_encode_weight (n)
+ int n;
+{
+ if (n >= 210) return FW_HEAVY;
+ if (n >= 205) return FW_EXTRABOLD;
+ if (n >= 200) return FW_BOLD;
+ if (n >= 180) return FW_SEMIBOLD;
+ if (n >= 100) return FW_NORMAL;
+ if (n >= 50) return FW_LIGHT;
+ if (n >= 40) return FW_EXTRALIGHT;
+ if (n >= 20) return FW_THIN;
+ return 0;
+}
+
+/* Convert a Windows font weight into one of the weights supported
+ by fontconfig (see font.c:font_parse_fcname). */
+static Lisp_Object
+w32_to_fc_weight (n)
+ int n;
+{
+ if (n >= FW_EXTRABOLD) return intern ("black");
+ if (n >= FW_BOLD) return intern ("bold");
+ if (n >= FW_SEMIBOLD) return intern ("demibold");
+ if (n >= FW_NORMAL) return intern ("medium");
+ return intern ("light");
}
/* Fill in all the available details of LOGFONT from FONT_SPEC. */
Lisp_Object tmp, extra;
int dpi = FRAME_W32_DISPLAY_INFO (f)->resy;
- extra = AREF (font_spec, FONT_EXTRA_INDEX);
- /* Allow user to override dpi settings. */
- if (CONSP (extra))
+ tmp = AREF (font_spec, FONT_DPI_INDEX);
+ if (INTEGERP (tmp))
{
- tmp = assq_no_quit (QCdpi, extra);
- if (CONSP (tmp) && INTEGERP (XCDR (tmp)))
- {
- dpi = XINT (XCDR (tmp));
- }
- else if (CONSP (tmp) && FLOATP (XCDR (tmp)))
- {
- dpi = (int) (XFLOAT_DATA (XCDR (tmp)) + 0.5);
- }
+ dpi = XINT (tmp);
+ }
+ else if (FLOATP (tmp))
+ {
+ dpi = (int) (XFLOAT_DATA (tmp) + 0.5);
}
/* Height */
/* Weight */
tmp = AREF (font_spec, FONT_WEIGHT_INDEX);
if (INTEGERP (tmp))
- logfont->lfWeight = XINT (tmp);
+ logfont->lfWeight = w32_encode_weight (FONT_WEIGHT_NUMERIC (font_spec));
/* Italic */
tmp = AREF (font_spec, FONT_SLANT_INDEX);
if (INTEGERP (tmp))
{
- int slant = XINT (tmp);
+ int slant = FONT_SLANT_NUMERIC (font_spec);
logfont->lfItalic = slant > 150 ? 1 : 0;
}
/* Font families are interned, but allow for strings also in case of
user input. */
else if (SYMBOLP (tmp))
- strncpy (logfont->lfFaceName, SDATA (SYMBOL_NAME (tmp)), LF_FACESIZE);
+ strncpy (logfont->lfFaceName,
+ SDATA (ENCODE_SYSTEM (SYMBOL_NAME (tmp))), LF_FACESIZE);
}
tmp = AREF (font_spec, FONT_ADSTYLE_INDEX);
logfont->lfPitchAndFamily = family | DEFAULT_PITCH;
}
+
+ /* Set pitch based on the spacing property. */
+ tmp = AREF (font_spec, FONT_SPACING_INDEX);
+ if (INTEGERP (tmp))
+ {
+ int spacing = XINT (tmp);
+ if (spacing < FONT_SPACING_MONO)
+ logfont->lfPitchAndFamily
+ = logfont->lfPitchAndFamily & 0xF0 | VARIABLE_PITCH;
+ else
+ logfont->lfPitchAndFamily
+ = logfont->lfPitchAndFamily & 0xF0 | FIXED_PITCH;
+ }
+
/* Process EXTRA info. */
- for ( ; CONSP (extra); extra = XCDR (extra))
+ for (extra = AREF (font_spec, FONT_EXTRA_INDEX);
+ CONSP (extra); extra = XCDR (extra))
{
tmp = XCAR (extra);
if (CONSP (tmp))
{
Lisp_Object key, val;
key = XCAR (tmp), val = XCDR (tmp);
- if (EQ (key, QCspacing))
- {
- /* Set pitch based on the spacing property. */
- if (INTEGERP (val))
- {
- int spacing = XINT (val);
- if (spacing < FONT_SPACING_MONO)
- logfont->lfPitchAndFamily
- = logfont->lfPitchAndFamily & 0xF0 | VARIABLE_PITCH;
- else
- logfont->lfPitchAndFamily
- = logfont->lfPitchAndFamily & 0xF0 | FIXED_PITCH;
- }
- else if (EQ (val, Qp))
- logfont->lfPitchAndFamily
- = logfont->lfPitchAndFamily & 0xF0 | VARIABLE_PITCH;
- else if (EQ (val, Qc) || EQ (val, Qm))
- logfont->lfPitchAndFamily
- = logfont->lfPitchAndFamily & 0xF0 | FIXED_PITCH;
- }
/* Only use QCscript if charset is not provided, or is unicode
and a single script is specified. This is rather crude,
and is only used to narrow down the fonts returned where
there is a definite match. Some scripts, such as latin, han,
cjk-misc match multiple lfCharSet values, so we can't pre-filter
them. */
- else if (EQ (key, QCscript)
+ if (EQ (key, QCscript)
&& logfont->lfCharSet == DEFAULT_CHARSET
&& SYMBOLP (val))
{
logfont->lfCharSet = ARABIC_CHARSET;
else if (EQ (val, Qthai))
logfont->lfCharSet = THAI_CHARSET;
- else if (EQ (val, Qsymbol))
- logfont->lfCharSet = SYMBOL_CHARSET;
}
else if (EQ (key, QCantialias) && SYMBOLP (val))
{
while (!NILP (families))
{
- /* TODO: Use the Unicode versions of the W32 APIs, so we can
- handle non-ASCII font names. */
+ /* Only fonts from the current locale are given localized names
+ on Windows, so we can keep backwards compatibility with
+ Windows 9x/ME by using non-Unicode font enumeration without
+ sacrificing internationalization here. */
char *name;
Lisp_Object family = CAR (families);
families = CDR (families);
if (NILP (family))
continue;
else if (SYMBOLP (family))
- name = SDATA (SYMBOL_NAME (family));
+ name = SDATA (ENCODE_SYSTEM (SYMBOL_NAME (family)));
else
continue;
SUBRANGE (9, Qcyrillic);
SUBRANGE (10, Qarmenian);
SUBRANGE (11, Qhebrew);
+ /* 12: Vai. */
SUBRANGE (13, Qarabic);
SUBRANGE (14, Qnko);
SUBRANGE (15, Qdevanagari);
SUBRANGE (108, Qkharoshthi);
/* 109: Tai Xuan Jing. */
SUBRANGE (110, Qcuneiform);
- /* 111: Counting Rods. */
+ /* 111: Counting Rods, 112: Sundanese, 113: Lepcha, 114: Ol Chiki. */
+ /* 115: Saurashtra, 116: Kayah Li, 117: Rejang. */
+ SUBRANGE (118, Qcham);
+ /* 119: Ancient symbols, 120: Phaistos Disc. */
+ /* 121: Carian, Lycian, Lydian, 122: Dominos, Mah Jong tiles. */
+ /* 123-127: Reserved. */
/* There isn't really a main symbol range, so include symbol if any
relevant range is set. */
MASK_ANY (0x8000000, 0x0000FFFF, 0, 0, Qsymbol);
- /* Missing: Tai Viet (U+AA80) and Cham (U+AA00) . */
+ /* Missing: Tai Viet (U+AA80-U+AADF). */
#undef SUBRANGE
#undef MASK_ANY
if (outline)
len += 11; /* -SIZE */
else
- len = strlen (font->lfFaceName) + 21;
+ len += 21;
if (font->lfItalic)
len += 7; /* :italic */
if (font->lfWeight && font->lfWeight != FW_NORMAL)
{
- weight = font_symbolic_weight (font_obj);
- len += 8 + SBYTES (SYMBOL_NAME (weight)); /* :weight=NAME */
+ weight = w32_to_fc_weight (font->lfWeight);
+ len += 1 + SBYTES (SYMBOL_NAME (weight)); /* :WEIGHT */
}
antialiasing = lispy_antialias_type (font->lfQuality);
p += sprintf (p, ":pixelsize=%d", height);
}
+ if (SYMBOLP (weight) && ! NILP (weight))
+ p += sprintf (p, ":%s", SDATA (SYMBOL_NAME (weight)));
+
if (font->lfItalic)
p += sprintf (p, ":italic");
- if (SYMBOLP (weight) && ! NILP (weight))
- p += sprintf (p, ":weight=%s", SDATA (SYMBOL_NAME (weight)));
-
if (SYMBOLP (antialiasing) && ! NILP (antialiasing))
p += sprintf (p, ":antialias=%s", SDATA (SYMBOL_NAME (antialiasing)));
return (p - name);
}
+/* Convert a logfont and point size into a fontconfig style font name.
+ POINTSIZE is in tenths of points.
+ If SIZE indicates the size of buffer FCNAME, into which the font name
+ is written. If the buffer is not large enough to contain the name,
+ the function returns -1, otherwise it returns the number of bytes
+ written to FCNAME. */
+static int logfont_to_fcname(font, pointsize, fcname, size)
+ LOGFONT* font;
+ int pointsize;
+ char *fcname;
+ int size;
+{
+ int len, height;
+ char *p = fcname;
+ Lisp_Object weight = Qnil;
+
+ len = strlen (font->lfFaceName) + 2;
+ height = pointsize / 10;
+ while (height /= 10)
+ len++;
+
+ if (pointsize % 10)
+ len += 2;
-static void compute_metrics (dc, w32_font, code, metrics)
+ if (font->lfItalic)
+ len += 7; /* :italic */
+ if (font->lfWeight && font->lfWeight != FW_NORMAL)
+ {
+ weight = w32_to_fc_weight (font->lfWeight);
+ len += SBYTES (SYMBOL_NAME (weight)) + 1;
+ }
+
+ if (len > size)
+ return -1;
+
+ p += sprintf (p, "%s-%d", font->lfFaceName, pointsize / 10);
+ if (pointsize % 10)
+ p += sprintf (p, ".%d", pointsize % 10);
+
+ if (SYMBOLP (weight) && !NILP (weight))
+ p += sprintf (p, ":%s", SDATA (SYMBOL_NAME (weight)));
+
+ if (font->lfItalic)
+ p += sprintf (p, ":italic");
+
+ return (p - fcname);
+}
+
+static void
+compute_metrics (dc, w32_font, code, metrics)
HDC dc;
struct w32font_info *w32_font;
unsigned int code;
metrics->status = W32METRIC_SUCCESS;
}
else
- {
- if (w32_font->glyph_idx)
- {
- /* Can't use glyph indexes after all.
- Avoid it in future, and clear any metrics that were based on
- glyph indexes. */
- w32_font->glyph_idx = 0;
- clear_cached_metrics (w32_font);
- }
- metrics->status = W32METRIC_FAIL;
- }
+ metrics->status = W32METRIC_FAIL;
}
-static void
-clear_cached_metrics (w32_font)
- struct w32font_info *w32_font;
+DEFUN ("x-select-font", Fx_select_font, Sx_select_font, 0, 2, 0,
+ doc: /* Read a font name using a W32 font selection dialog.
+Return fontconfig style font string corresponding to the selection.
+
+If FRAME is omitted or nil, it defaults to the selected frame.
+If EXCLUDE-PROPORTIONAL is non-nil, exclude proportional fonts
+in the font selection dialog. */)
+ (frame, exclude_proportional)
+ Lisp_Object frame, exclude_proportional;
{
- int i;
- for (i = 0; i < w32_font->n_cache_blocks; i++)
- bzero (w32_font->cached_metrics[i],
- CACHE_BLOCKSIZE * sizeof (struct font_metrics));
+ FRAME_PTR f = check_x_frame (frame);
+ CHOOSEFONT cf;
+ LOGFONT lf;
+ TEXTMETRIC tm;
+ HDC hdc;
+ HANDLE oldobj;
+ char buf[100];
+
+ bzero (&cf, sizeof (cf));
+ bzero (&lf, sizeof (lf));
+
+ cf.lStructSize = sizeof (cf);
+ cf.hwndOwner = FRAME_W32_WINDOW (f);
+ cf.Flags = CF_FORCEFONTEXIST | CF_SCREENFONTS | CF_NOVERTFONTS;
+
+ /* If exclude_proportional is non-nil, limit the selection to
+ monospaced fonts. */
+ if (!NILP (exclude_proportional))
+ cf.Flags |= CF_FIXEDPITCHONLY;
+
+ cf.lpLogFont = &lf;
+
+ /* Initialize as much of the font details as we can from the current
+ default font. */
+ hdc = GetDC (FRAME_W32_WINDOW (f));
+ oldobj = SelectObject (hdc, FONT_HANDLE (FRAME_FONT (f)));
+ GetTextFace (hdc, LF_FACESIZE, lf.lfFaceName);
+ if (GetTextMetrics (hdc, &tm))
+ {
+ lf.lfHeight = tm.tmInternalLeading - tm.tmHeight;
+ lf.lfWeight = tm.tmWeight;
+ lf.lfItalic = tm.tmItalic;
+ lf.lfUnderline = tm.tmUnderlined;
+ lf.lfStrikeOut = tm.tmStruckOut;
+ lf.lfCharSet = tm.tmCharSet;
+ cf.Flags |= CF_INITTOLOGFONTSTRUCT;
+ }
+ SelectObject (hdc, oldobj);
+ ReleaseDC (FRAME_W32_WINDOW (f), hdc);
+
+ if (!ChooseFont (&cf)
+ || logfont_to_fcname (&lf, cf.iPointSize, buf, 100) < 0)
+ return Qnil;
+
+ return DECODE_SYSTEM (build_string (buf));
}
struct font_driver w32font_driver =
{
0, /* Qgdi */
+ 0, /* case insensitive */
w32font_get_cache,
w32font_list,
w32font_match,
DEFSYM (Qnatural, "natural");
/* Languages */
- DEFSYM (Qja, "ja");
- DEFSYM (Qko, "ko");
DEFSYM (Qzh, "zh");
/* Scripts */
DEFSYM (Qbyzantine_musical_symbol, "byzantine-musical-symbol");
DEFSYM (Qmusical_symbol, "musical-symbol");
DEFSYM (Qmathematical, "mathematical");
+ DEFSYM (Qcham, "cham");
DEFSYM (Qphonetic, "phonetic");
DEFSYM (Qbalinese, "balinese");
DEFSYM (Qbuginese, "buginese");
DEFSYM (Qtifinagh, "tifinagh");
DEFSYM (Qugaritic, "ugaritic");
+ /* W32 font encodings. */
+ DEFVAR_LISP ("w32-charset-info-alist",
+ &Vw32_charset_info_alist,
+ doc: /* Alist linking Emacs character sets to Windows fonts and codepages.
+Each entry should be of the form:
+
+ (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE))
+
+where CHARSET_NAME is a string used in font names to identify the charset,
+WINDOWS_CHARSET is a symbol that can be one of:
+
+ w32-charset-ansi, w32-charset-default, w32-charset-symbol,
+ w32-charset-shiftjis, w32-charset-hangeul, w32-charset-gb2312,
+ w32-charset-chinesebig5, w32-charset-johab, w32-charset-hebrew,
+ w32-charset-arabic, w32-charset-greek, w32-charset-turkish,
+ w32-charset-vietnamese, w32-charset-thai, w32-charset-easteurope,
+ w32-charset-russian, w32-charset-mac, w32-charset-baltic,
+ or w32-charset-oem.
+
+CODEPAGE should be an integer specifying the codepage that should be used
+to display the character set, t to do no translation and output as Unicode,
+or nil to do no translation and output as 8 bit (or multibyte on far-east
+versions of Windows) characters. */);
+ Vw32_charset_info_alist = Qnil;
+
+ DEFSYM (Qw32_charset_ansi, "w32-charset-ansi");
+ DEFSYM (Qw32_charset_symbol, "w32-charset-symbol");
+ DEFSYM (Qw32_charset_default, "w32-charset-default");
+ DEFSYM (Qw32_charset_shiftjis, "w32-charset-shiftjis");
+ DEFSYM (Qw32_charset_hangeul, "w32-charset-hangeul");
+ DEFSYM (Qw32_charset_chinesebig5, "w32-charset-chinesebig5");
+ DEFSYM (Qw32_charset_gb2312, "w32-charset-gb2312");
+ DEFSYM (Qw32_charset_oem, "w32-charset-oem");
+ DEFSYM (Qw32_charset_johab, "w32-charset-johab");
+ DEFSYM (Qw32_charset_easteurope, "w32-charset-easteurope");
+ DEFSYM (Qw32_charset_turkish, "w32-charset-turkish");
+ DEFSYM (Qw32_charset_baltic, "w32-charset-baltic");
+ DEFSYM (Qw32_charset_russian, "w32-charset-russian");
+ DEFSYM (Qw32_charset_arabic, "w32-charset-arabic");
+ DEFSYM (Qw32_charset_greek, "w32-charset-greek");
+ DEFSYM (Qw32_charset_hebrew, "w32-charset-hebrew");
+ DEFSYM (Qw32_charset_vietnamese, "w32-charset-vietnamese");
+ DEFSYM (Qw32_charset_thai, "w32-charset-thai");
+ DEFSYM (Qw32_charset_mac, "w32-charset-mac");
+
+ defsubr (&Sx_select_font);
+
w32font_driver.type = Qgdi;
register_font_driver (&w32font_driver, NULL);
}
-#endif /* USE_FONT_BACKEND */
/* arch-tag: 65b8a3cd-46aa-4c0d-a1f3-99e75b9c07ee
(do not change this comment) */
HCoop / bpt / emacs.git / blobdiff