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gtk/gdk/win32/gdkfont-win32.c
Matthias Clasen 5cc215cddf Remove redundant doc comments.
2002-10-23 21:03:35 +00:00

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/* GDK - The GIMP Drawing Kit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
* Copyright (C) 1998-2002 Tor Lillqvist
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <pango/pangowin32.h>
#include "gdkfont.h"
#include "gdkpango.h" /* gdk_pango_context_get() */
#include "gdkdisplay.h"
#include "gdkprivate-win32.h"
static GHashTable *font_name_hash = NULL;
static GHashTable *fontset_name_hash = NULL;
static void
gdk_font_hash_insert (GdkFontType type,
GdkFont *font,
const gchar *font_name)
{
GdkFontPrivateWin32 *private = (GdkFontPrivateWin32 *) font;
GHashTable **hashp = (type == GDK_FONT_FONT) ?
&font_name_hash : &fontset_name_hash;
if (!*hashp)
*hashp = g_hash_table_new (g_str_hash, g_str_equal);
private->names = g_slist_prepend (private->names, g_strdup (font_name));
g_hash_table_insert (*hashp, private->names->data, font);
}
static void
gdk_font_hash_remove (GdkFontType type,
GdkFont *font)
{
GdkFontPrivateWin32 *private = (GdkFontPrivateWin32 *) font;
GSList *tmp_list;
GHashTable *hash = (type == GDK_FONT_FONT) ?
font_name_hash : fontset_name_hash;
tmp_list = private->names;
while (tmp_list)
{
g_hash_table_remove (hash, tmp_list->data);
g_free (tmp_list->data);
tmp_list = tmp_list->next;
}
g_slist_free (private->names);
private->names = NULL;
}
static GdkFont *
gdk_font_hash_lookup (GdkFontType type,
const gchar *font_name)
{
GdkFont *result;
GHashTable *hash = (type == GDK_FONT_FONT) ?
font_name_hash : fontset_name_hash;
if (!hash)
return NULL;
else
{
result = g_hash_table_lookup (hash, font_name);
if (result)
gdk_font_ref (result);
return result;
}
}
static const char *
charset_name (DWORD charset)
{
switch (charset)
{
case ANSI_CHARSET: return "ansi";
case DEFAULT_CHARSET: return "default";
case SYMBOL_CHARSET: return "symbol";
case SHIFTJIS_CHARSET: return "shiftjis";
case HANGEUL_CHARSET: return "hangeul";
case GB2312_CHARSET: return "gb2312";
case CHINESEBIG5_CHARSET: return "big5";
case JOHAB_CHARSET: return "johab";
case HEBREW_CHARSET: return "hebrew";
case ARABIC_CHARSET: return "arabic";
case GREEK_CHARSET: return "greek";
case TURKISH_CHARSET: return "turkish";
case VIETNAMESE_CHARSET: return "vietnamese";
case THAI_CHARSET: return "thai";
case EASTEUROPE_CHARSET: return "easteurope";
case RUSSIAN_CHARSET: return "russian";
case MAC_CHARSET: return "mac";
case BALTIC_CHARSET: return "baltic";
}
return "unknown";
}
/* This table classifies Unicode characters according to the Microsoft
* Unicode subset numbering. This is based on the table in "Developing
* International Software for Windows 95 and Windows NT". This is almost,
* but not quite, the same as the official Unicode block table in
* Blocks.txt from ftp.unicode.org. The bit number field is the bitfield
* number as in the FONTSIGNATURE struct's fsUsb field.
* There are some grave bugs in the table in the books. For instance
* it claims there are Hangul at U+3400..U+4DFF while this range in
* fact contains CJK Unified Ideographs Extension A. Also, the whole
* block of Hangul Syllables U+AC00..U+D7A3 is missing from the book.
*/
typedef enum
{
U_BASIC_LATIN = 0,
U_LATIN_1_SUPPLEMENT = 1,
U_LATIN_EXTENDED_A = 2,
U_LATIN_EXTENDED_B = 3,
U_IPA_EXTENSIONS = 4,
U_SPACING_MODIFIER_LETTERS = 5,
U_COMBINING_DIACRITICAL_MARKS = 6,
U_BASIC_GREEK = 7,
U_GREEK_SYMBOLS_AND_COPTIC = 8,
U_CYRILLIC = 9,
U_ARMENIAN = 10,
U_HEBREW_EXTENDED = 12,
U_BASIC_HEBREW = 11,
U_BASIC_ARABIC = 13,
U_ARABIC_EXTENDED = 14,
U_DEVANAGARI = 15,
U_BENGALI = 16,
U_GURMUKHI = 17,
U_GUJARATI = 18,
U_ORIYA = 19,
U_TAMIL = 20,
U_TELUGU = 21,
U_KANNADA = 22,
U_MALAYALAM = 23,
U_THAI = 24,
U_LAO = 25,
U_GEORGIAN_EXTENDED = 27,
U_BASIC_GEORGIAN = 26,
U_HANGUL_JAMO = 28,
U_LATIN_EXTENDED_ADDITIONAL = 29,
U_GREEK_EXTENDED = 30,
U_GENERAL_PUNCTUATION = 31,
U_SUPERSCRIPTS_AND_SUBSCRIPTS = 32,
U_CURRENCY_SYMBOLS = 33,
U_COMBINING_DIACRITICAL_MARKS_FOR_SYMBOLS = 34,
U_LETTERLIKE_SYMBOLS = 35,
U_NUMBER_FORMS = 36,
U_ARROWS = 37,
U_MATHEMATICAL_OPERATORS = 38,
U_MISCELLANEOUS_TECHNICAL = 39,
U_CONTROL_PICTURES = 40,
U_OPTICAL_CHARACTER_RECOGNITION = 41,
U_ENCLOSED_ALPHANUMERICS = 42,
U_BOX_DRAWING = 43,
U_BLOCK_ELEMENTS = 44,
U_GEOMETRIC_SHAPES = 45,
U_MISCELLANEOUS_SYMBOLS = 46,
U_DINGBATS = 47,
U_CJK_SYMBOLS_AND_PUNCTUATION = 48,
U_HIRAGANA = 49,
U_KATAKANA = 50,
U_BOPOMOFO = 51,
U_HANGUL_COMPATIBILITY_JAMO = 52,
U_CJK_MISCELLANEOUS = 53,
U_ENCLOSED_CJK = 54,
U_CJK_COMPATIBILITY = 55,
U_HANGUL = 56,
U_HANGUL_SUPPLEMENTARY_A = 57,
U_HANGUL_SUPPLEMENTARY_B = 58,
U_CJK_UNIFIED_IDEOGRAPHS = 59,
U_PRIVATE_USE_AREA = 60,
U_CJK_COMPATIBILITY_IDEOGRAPHS = 61,
U_ALPHABETIC_PRESENTATION_FORMS = 62,
U_ARABIC_PRESENTATION_FORMS_A = 63,
U_COMBINING_HALF_MARKS = 64,
U_CJK_COMPATIBILITY_FORMS = 65,
U_SMALL_FORM_VARIANTS = 66,
U_ARABIC_PRESENTATION_FORMS_B = 67,
U_SPECIALS = 69,
U_HALFWIDTH_AND_FULLWIDTH_FORMS = 68,
U_LAST_PLUS_ONE
} unicode_subset;
static struct {
wchar_t low, high;
unicode_subset bit;
gchar *name;
} utab[] =
{
{ 0x0000, 0x007E,
U_BASIC_LATIN, "Basic Latin" },
{ 0x00A0, 0x00FF,
U_LATIN_1_SUPPLEMENT, "Latin-1 Supplement" },
{ 0x0100, 0x017F,
U_LATIN_EXTENDED_A, "Latin Extended-A" },
{ 0x0180, 0x024F,
U_LATIN_EXTENDED_B, "Latin Extended-B" },
{ 0x0250, 0x02AF,
U_IPA_EXTENSIONS, "IPA Extensions" },
{ 0x02B0, 0x02FF,
U_SPACING_MODIFIER_LETTERS, "Spacing Modifier Letters" },
{ 0x0300, 0x036F,
U_COMBINING_DIACRITICAL_MARKS, "Combining Diacritical Marks" },
{ 0x0370, 0x03CF,
U_BASIC_GREEK, "Basic Greek" },
{ 0x03D0, 0x03FF,
U_GREEK_SYMBOLS_AND_COPTIC, "Greek Symbols and Coptic" },
{ 0x0400, 0x04FF,
U_CYRILLIC, "Cyrillic" },
{ 0x0530, 0x058F,
U_ARMENIAN, "Armenian" },
{ 0x0590, 0x05CF,
U_HEBREW_EXTENDED, "Hebrew Extended" },
{ 0x05D0, 0x05FF,
U_BASIC_HEBREW, "Basic Hebrew" },
{ 0x0600, 0x0652,
U_BASIC_ARABIC, "Basic Arabic" },
{ 0x0653, 0x06FF,
U_ARABIC_EXTENDED, "Arabic Extended" },
{ 0x0900, 0x097F,
U_DEVANAGARI, "Devanagari" },
{ 0x0980, 0x09FF,
U_BENGALI, "Bengali" },
{ 0x0A00, 0x0A7F,
U_GURMUKHI, "Gurmukhi" },
{ 0x0A80, 0x0AFF,
U_GUJARATI, "Gujarati" },
{ 0x0B00, 0x0B7F,
U_ORIYA, "Oriya" },
{ 0x0B80, 0x0BFF,
U_TAMIL, "Tamil" },
{ 0x0C00, 0x0C7F,
U_TELUGU, "Telugu" },
{ 0x0C80, 0x0CFF,
U_KANNADA, "Kannada" },
{ 0x0D00, 0x0D7F,
U_MALAYALAM, "Malayalam" },
{ 0x0E00, 0x0E7F,
U_THAI, "Thai" },
{ 0x0E80, 0x0EFF,
U_LAO, "Lao" },
{ 0x10A0, 0x10CF,
U_GEORGIAN_EXTENDED, "Georgian Extended" },
{ 0x10D0, 0x10FF,
U_BASIC_GEORGIAN, "Basic Georgian" },
{ 0x1100, 0x11FF,
U_HANGUL_JAMO, "Hangul Jamo" },
{ 0x1E00, 0x1EFF,
U_LATIN_EXTENDED_ADDITIONAL, "Latin Extended Additional" },
{ 0x1F00, 0x1FFF,
U_GREEK_EXTENDED, "Greek Extended" },
{ 0x2000, 0x206F,
U_GENERAL_PUNCTUATION, "General Punctuation" },
{ 0x2070, 0x209F,
U_SUPERSCRIPTS_AND_SUBSCRIPTS, "Superscripts and Subscripts" },
{ 0x20A0, 0x20CF,
U_CURRENCY_SYMBOLS, "Currency Symbols" },
{ 0x20D0, 0x20FF,
U_COMBINING_DIACRITICAL_MARKS_FOR_SYMBOLS, "Combining Diacritical Marks for Symbols" },
{ 0x2100, 0x214F,
U_LETTERLIKE_SYMBOLS, "Letterlike Symbols" },
{ 0x2150, 0x218F,
U_NUMBER_FORMS, "Number Forms" },
{ 0x2190, 0x21FF,
U_ARROWS, "Arrows" },
{ 0x2200, 0x22FF,
U_MATHEMATICAL_OPERATORS, "Mathematical Operators" },
{ 0x2300, 0x23FF,
U_MISCELLANEOUS_TECHNICAL, "Miscellaneous Technical" },
{ 0x2400, 0x243F,
U_CONTROL_PICTURES, "Control Pictures" },
{ 0x2440, 0x245F,
U_OPTICAL_CHARACTER_RECOGNITION, "Optical Character Recognition" },
{ 0x2460, 0x24FF,
U_ENCLOSED_ALPHANUMERICS, "Enclosed Alphanumerics" },
{ 0x2500, 0x257F,
U_BOX_DRAWING, "Box Drawing" },
{ 0x2580, 0x259F,
U_BLOCK_ELEMENTS, "Block Elements" },
{ 0x25A0, 0x25FF,
U_GEOMETRIC_SHAPES, "Geometric Shapes" },
{ 0x2600, 0x26FF,
U_MISCELLANEOUS_SYMBOLS, "Miscellaneous Symbols" },
{ 0x2700, 0x27BF,
U_DINGBATS, "Dingbats" },
{ 0x3000, 0x303F,
U_CJK_SYMBOLS_AND_PUNCTUATION, "CJK Symbols and Punctuation" },
{ 0x3040, 0x309F,
U_HIRAGANA, "Hiragana" },
{ 0x30A0, 0x30FF,
U_KATAKANA, "Katakana" },
{ 0x3100, 0x312F,
U_BOPOMOFO, "Bopomofo" },
{ 0x3130, 0x318F,
U_HANGUL_COMPATIBILITY_JAMO, "Hangul Compatibility Jamo" },
{ 0x3190, 0x319F,
U_CJK_MISCELLANEOUS, "CJK Miscellaneous" },
{ 0x3200, 0x32FF,
U_ENCLOSED_CJK, "Enclosed CJK" },
{ 0x3300, 0x33FF,
U_CJK_COMPATIBILITY, "CJK Compatibility" },
/* The book claims:
* U+3400..U+3D2D = Hangul
* U+3D2E..U+44B7 = Hangul Supplementary A
* U+44B8..U+4DFF = Hangul Supplementary B
* but actually in Unicode
* U+3400..U+4DB5 = CJK Unified Ideographs Extension A
*/
{ 0x3400, 0x4DB5,
U_CJK_UNIFIED_IDEOGRAPHS, "CJK Unified Ideographs Extension A" },
{ 0x4E00, 0x9FFF,
U_CJK_UNIFIED_IDEOGRAPHS, "CJK Unified Ideographs" },
/* This was missing completely from the book's table. */
{ 0xAC00, 0xD7A3,
U_HANGUL, "Hangul Syllables" },
{ 0xE000, 0xF8FF,
U_PRIVATE_USE_AREA, "Private Use Area" },
{ 0xF900, 0xFAFF,
U_CJK_COMPATIBILITY_IDEOGRAPHS, "CJK Compatibility Ideographs" },
{ 0xFB00, 0xFB4F,
U_ALPHABETIC_PRESENTATION_FORMS, "Alphabetic Presentation Forms" },
{ 0xFB50, 0xFDFF,
U_ARABIC_PRESENTATION_FORMS_A, "Arabic Presentation Forms-A" },
{ 0xFE20, 0xFE2F,
U_COMBINING_HALF_MARKS, "Combining Half Marks" },
{ 0xFE30, 0xFE4F,
U_CJK_COMPATIBILITY_FORMS, "CJK Compatibility Forms" },
{ 0xFE50, 0xFE6F,
U_SMALL_FORM_VARIANTS, "Small Form Variants" },
{ 0xFE70, 0xFEFE,
U_ARABIC_PRESENTATION_FORMS_B, "Arabic Presentation Forms-B" },
{ 0xFEFF, 0xFEFF,
U_SPECIALS, "Specials" },
{ 0xFF00, 0xFFEF,
U_HALFWIDTH_AND_FULLWIDTH_FORMS, "Halfwidth and Fullwidth Forms" },
{ 0xFFF0, 0xFFFD,
U_SPECIALS, "Specials" }
};
static void
print_unicode_subranges (FONTSIGNATURE *fsp)
{
int i;
gboolean checked[G_N_ELEMENTS (utab)];
gboolean need_comma = FALSE;
memset (checked, 0, sizeof (checked));
for (i = 0; i < G_N_ELEMENTS (utab); i++)
if (!checked[i]
&& (fsp->fsUsb[utab[i].bit/32] & (1 << (utab[i].bit % 32))))
{
g_print ("%s %s", (need_comma ? "," : ""), utab[i].name);
need_comma = TRUE;
checked[i] = TRUE;
}
if (!need_comma)
g_print (" none!");
g_print ("\n");
}
static gboolean
check_unicode_subranges (UINT charset,
FONTSIGNATURE *fsp)
{
gint i;
gboolean retval = FALSE;
/* If the fsUsb bit array has at least one of the bits set, trust it */
for (i = 0; i < U_LAST_PLUS_ONE; i++)
if (i != U_PRIVATE_USE_AREA && (fsp->fsUsb[i/32] & (1 << (i % 32))))
return FALSE;
/* Otherwise, guess what subranges there should be in the font */
fsp->fsUsb[0] = fsp->fsUsb[1] = fsp->fsUsb[2] = fsp->fsUsb[3] = 0;
#define set_bit(bitno) (fsp->fsUsb[(bitno)/32] |= (1 << ((bitno) % 32)))
/* Set Unicode subrange bits based on code pages supported.
* This is mostly just guesswork.
*/
#define check_cp(bit) (fsp->fsCsb[0] & (bit))
if (check_cp(FS_LATIN1))
{
set_bit (U_BASIC_LATIN);
set_bit (U_LATIN_1_SUPPLEMENT);
set_bit (U_CURRENCY_SYMBOLS);
retval = TRUE;
}
if (check_cp (FS_LATIN2))
{
set_bit (U_BASIC_LATIN);
set_bit (U_LATIN_1_SUPPLEMENT);
set_bit (U_LATIN_EXTENDED_A);
set_bit (U_CURRENCY_SYMBOLS);
retval = TRUE;
}
if (check_cp (FS_CYRILLIC))
{
set_bit (U_BASIC_LATIN);
set_bit (U_CYRILLIC);
retval = TRUE;
}
if (check_cp (FS_GREEK))
{
set_bit (U_BASIC_LATIN);
set_bit (U_BASIC_GREEK);
retval = TRUE;
}
if (check_cp (FS_TURKISH))
{
set_bit (U_BASIC_LATIN);
set_bit (U_LATIN_1_SUPPLEMENT);
set_bit (U_LATIN_EXTENDED_A);
set_bit (U_CURRENCY_SYMBOLS);
retval = TRUE;
}
if (check_cp (FS_HEBREW))
{
set_bit (U_BASIC_LATIN);
set_bit (U_CURRENCY_SYMBOLS);
set_bit (U_BASIC_HEBREW);
set_bit (U_HEBREW_EXTENDED);
retval = TRUE;
}
if (check_cp (FS_ARABIC))
{
set_bit (U_BASIC_LATIN);
set_bit (U_CURRENCY_SYMBOLS);
set_bit (U_BASIC_ARABIC);
set_bit (U_ARABIC_EXTENDED);
retval = TRUE;
}
if (check_cp (FS_BALTIC))
{
set_bit (U_BASIC_LATIN);
set_bit (U_LATIN_1_SUPPLEMENT);
set_bit (U_CURRENCY_SYMBOLS);
set_bit (U_LATIN_EXTENDED_A);
set_bit (U_LATIN_EXTENDED_B);
retval = TRUE;
}
if (check_cp (FS_VIETNAMESE))
{
/* ??? */
set_bit (U_BASIC_LATIN);
retval = TRUE;
}
if (check_cp (FS_THAI))
{
set_bit (U_BASIC_LATIN);
set_bit (U_THAI);
retval = TRUE;
}
if (check_cp (FS_JISJAPAN))
{
/* Based on MS Gothic */
set_bit (U_BASIC_LATIN);
set_bit (U_CJK_SYMBOLS_AND_PUNCTUATION);
set_bit (U_HIRAGANA);
set_bit (U_KATAKANA);
set_bit (U_CJK_UNIFIED_IDEOGRAPHS);
set_bit (U_HALFWIDTH_AND_FULLWIDTH_FORMS);
retval = TRUE;
}
if (check_cp (FS_CHINESESIMP))
{
/* Based on MS Hei */
set_bit (U_BASIC_LATIN);
set_bit (U_HIRAGANA);
set_bit (U_KATAKANA);
set_bit (U_BOPOMOFO);
set_bit (U_CJK_UNIFIED_IDEOGRAPHS);
retval = TRUE;
}
if (check_cp (FS_WANSUNG)
|| check_cp (FS_JOHAB)) /* ??? */
{
/* Based on GulimChe. I wonder if all Korean fonts
* really support this large range of Unicode subranges?
*/
set_bit (U_BASIC_LATIN);
set_bit (U_LATIN_1_SUPPLEMENT);
set_bit (U_LATIN_EXTENDED_A);
set_bit (U_SPACING_MODIFIER_LETTERS);
set_bit (U_BASIC_GREEK);
set_bit (U_CYRILLIC);
set_bit (U_HANGUL_JAMO);
set_bit (U_GENERAL_PUNCTUATION);
set_bit (U_SUPERSCRIPTS_AND_SUBSCRIPTS);
set_bit (U_CURRENCY_SYMBOLS);
set_bit (U_LETTERLIKE_SYMBOLS);
set_bit (U_NUMBER_FORMS);
set_bit (U_ARROWS);
set_bit (U_MATHEMATICAL_OPERATORS);
set_bit (U_MISCELLANEOUS_TECHNICAL);
set_bit (U_ENCLOSED_ALPHANUMERICS);
set_bit (U_BOX_DRAWING);
set_bit (U_BLOCK_ELEMENTS);
set_bit (U_GEOMETRIC_SHAPES);
set_bit (U_MISCELLANEOUS_SYMBOLS);
set_bit (U_CJK_SYMBOLS_AND_PUNCTUATION);
set_bit (U_HIRAGANA);
set_bit (U_KATAKANA);
set_bit (U_HANGUL_COMPATIBILITY_JAMO);
set_bit (U_ENCLOSED_CJK);
set_bit (U_CJK_COMPATIBILITY_FORMS);
set_bit (U_HANGUL);
set_bit (U_CJK_UNIFIED_IDEOGRAPHS);
set_bit (U_CJK_COMPATIBILITY_IDEOGRAPHS);
set_bit (U_HALFWIDTH_AND_FULLWIDTH_FORMS);
retval = TRUE;
}
if (check_cp (FS_CHINESETRAD))
{
/* Based on MingLiU */
set_bit (U_BASIC_LATIN);
set_bit (U_GENERAL_PUNCTUATION);
set_bit (U_BOX_DRAWING);
set_bit (U_BLOCK_ELEMENTS);
set_bit (U_CJK_SYMBOLS_AND_PUNCTUATION);
set_bit (U_BOPOMOFO);
set_bit (U_CJK_UNIFIED_IDEOGRAPHS);
set_bit (U_CJK_COMPATIBILITY_IDEOGRAPHS);
set_bit (U_SMALL_FORM_VARIANTS);
set_bit (U_HALFWIDTH_AND_FULLWIDTH_FORMS);
retval = TRUE;
}
if (check_cp (FS_SYMBOL) || charset == MAC_CHARSET)
{
/* Non-Unicode encoding, I guess. Pretend it covers
* the single-byte range of values.
*/
set_bit (U_BASIC_LATIN);
set_bit (U_LATIN_1_SUPPLEMENT);
retval = TRUE;
}
if (retval)
return TRUE;
GDK_NOTE (MISC, g_print ("... No code page bits set!\n"));
/* Sigh. Not even any code page bits were set. Guess based on
* charset, then. These somewhat optimistic guesses are based on the
* table in Appendix M in the book "Developing ..." mentioned
* above.
*/
switch (charset)
{
case ANSI_CHARSET:
set_bit (U_BASIC_LATIN);
set_bit (U_LATIN_1_SUPPLEMENT);
set_bit (U_LATIN_EXTENDED_A);
set_bit (U_LATIN_EXTENDED_B);
set_bit (U_SPACING_MODIFIER_LETTERS);
set_bit (U_COMBINING_DIACRITICAL_MARKS);
set_bit (U_GENERAL_PUNCTUATION);
set_bit (U_SUPERSCRIPTS_AND_SUBSCRIPTS);
set_bit (U_CURRENCY_SYMBOLS);
#if 0 /* I find this too hard to believe... */
set_bit (U_BASIC_GREEK);
set_bit (U_CYRILLIC);
set_bit (U_BASIC_HEBREW);
set_bit (U_HEBREW_EXTENDED);
set_bit (U_BASIC_ARABIC);
set_bit (U_ARABIC_EXTENDED);
set_bit (U_LETTERLIKE_SYMBOLS);
set_bit (U_NUMBER_FORMS);
set_bit (U_ARROWS);
set_bit (U_MATHEMATICAL_OPERATORS);
set_bit (U_MISCELLANEOUS_TECHNICAL);
set_bit (U_ENCLOSED_ALPHANUMERICS);
set_bit (U_BOX_DRAWING);
set_bit (U_BLOCK_ELEMENTS);
set_bit (U_GEOMETRIC_SHAPES);
set_bit (U_MISCELLANEOUS_SYMBOLS);
set_bit (U_HIRAGANA);
set_bit (U_KATAKANA);
set_bit (U_BOPOMOFO);
set_bit (U_HANGUL_COMPATIBILITY_JAMO);
set_bit (U_CJK_MISCELLANEOUS);
set_bit (U_CJK_COMPATIBILITY);
set_bit (U_HANGUL);
set_bit (U_HANGUL_SUPPLEMENTARY_A);
set_bit (U_CJK_COMPATIBILITY_IDEOGRAPHS);
set_bit (U_ALPHABETIC_PRESENTATION_FORMS);
set_bit (U_SMALL_FORM_VARIANTS);
set_bit (U_ARABIC_PRESENTATION_FORMS_B);
set_bit (U_HALFWIDTH_AND_FULLWIDTH_FORMS);
set_bit (U_SPECIALS);
#endif
retval = TRUE;
break;
case SYMBOL_CHARSET:
/* Unggh */
set_bit (U_BASIC_LATIN);
set_bit (U_LATIN_1_SUPPLEMENT);
retval = TRUE;
break;
case SHIFTJIS_CHARSET:
case HANGEUL_CHARSET:
case GB2312_CHARSET:
case CHINESEBIG5_CHARSET:
case JOHAB_CHARSET:
/* The table really does claim these "locales" (it doesn't
* talk about charsets per se) cover the same Unicode
* subranges
*/
set_bit (U_BASIC_LATIN);
set_bit (U_LATIN_1_SUPPLEMENT);
set_bit (U_LATIN_EXTENDED_A);
set_bit (U_LATIN_EXTENDED_B);
set_bit (U_SPACING_MODIFIER_LETTERS);
set_bit (U_COMBINING_DIACRITICAL_MARKS_FOR_SYMBOLS);
set_bit (U_BASIC_GREEK);
set_bit (U_CYRILLIC);
set_bit (U_HANGUL_JAMO);
set_bit (U_GENERAL_PUNCTUATION);
set_bit (U_SUPERSCRIPTS_AND_SUBSCRIPTS);
set_bit (U_CURRENCY_SYMBOLS);
set_bit (U_LETTERLIKE_SYMBOLS);
set_bit (U_NUMBER_FORMS);
set_bit (U_ARROWS);
set_bit (U_MATHEMATICAL_OPERATORS);
set_bit (U_MISCELLANEOUS_TECHNICAL);
set_bit (U_ENCLOSED_ALPHANUMERICS);
set_bit (U_BOX_DRAWING);
set_bit (U_BLOCK_ELEMENTS);
set_bit (U_GEOMETRIC_SHAPES);
set_bit (U_MISCELLANEOUS_SYMBOLS);
set_bit (U_CJK_SYMBOLS_AND_PUNCTUATION);
set_bit (U_HIRAGANA);
set_bit (U_KATAKANA);
set_bit (U_BOPOMOFO);
set_bit (U_HANGUL_COMPATIBILITY_JAMO);
set_bit (U_CJK_MISCELLANEOUS);
set_bit (U_CJK_COMPATIBILITY);
set_bit (U_HANGUL);
set_bit (U_HANGUL_SUPPLEMENTARY_A);
set_bit (U_CJK_UNIFIED_IDEOGRAPHS);
set_bit (U_CJK_COMPATIBILITY_IDEOGRAPHS);
set_bit (U_ALPHABETIC_PRESENTATION_FORMS);
set_bit (U_SMALL_FORM_VARIANTS);
set_bit (U_ARABIC_PRESENTATION_FORMS_B);
set_bit (U_SPECIALS);
retval = TRUE;
break;
case HEBREW_CHARSET:
set_bit (U_BASIC_LATIN);
set_bit (U_LATIN_1_SUPPLEMENT);
set_bit (U_LATIN_EXTENDED_B);
set_bit (U_SPACING_MODIFIER_LETTERS);
set_bit (U_BASIC_HEBREW);
set_bit (U_HEBREW_EXTENDED);
set_bit (U_GENERAL_PUNCTUATION);
set_bit (U_LETTERLIKE_SYMBOLS);
retval = TRUE;
break;
case ARABIC_CHARSET:
set_bit (U_BASIC_LATIN);
set_bit (U_LATIN_1_SUPPLEMENT);
set_bit (U_LATIN_EXTENDED_A);
set_bit (U_LATIN_EXTENDED_B);
set_bit (U_SPACING_MODIFIER_LETTERS);
set_bit (U_BASIC_GREEK);
set_bit (U_BASIC_ARABIC);
set_bit (U_ARABIC_EXTENDED);
set_bit (U_GENERAL_PUNCTUATION);
set_bit (U_LETTERLIKE_SYMBOLS);
set_bit (U_ARROWS);
set_bit (U_MATHEMATICAL_OPERATORS);
set_bit (U_MISCELLANEOUS_TECHNICAL);
set_bit (U_BOX_DRAWING);
set_bit (U_BLOCK_ELEMENTS);
set_bit (U_GEOMETRIC_SHAPES);
set_bit (U_MISCELLANEOUS_SYMBOLS);
set_bit (U_HALFWIDTH_AND_FULLWIDTH_FORMS);
retval = TRUE;
break;
case GREEK_CHARSET:
set_bit (U_BASIC_LATIN);
set_bit (U_LATIN_1_SUPPLEMENT);
set_bit (U_LATIN_EXTENDED_B);
set_bit (U_BASIC_GREEK);
set_bit (U_GENERAL_PUNCTUATION);
set_bit (U_SUPERSCRIPTS_AND_SUBSCRIPTS);
set_bit (U_LETTERLIKE_SYMBOLS);
set_bit (U_ARROWS);
set_bit (U_MATHEMATICAL_OPERATORS);
set_bit (U_MISCELLANEOUS_TECHNICAL);
set_bit (U_BOX_DRAWING);
set_bit (U_BLOCK_ELEMENTS);
set_bit (U_GEOMETRIC_SHAPES);
set_bit (U_MISCELLANEOUS_SYMBOLS);
retval = TRUE;
break;
case TURKISH_CHARSET:
set_bit (U_BASIC_LATIN);
set_bit (U_LATIN_1_SUPPLEMENT);
set_bit (U_LATIN_EXTENDED_A);
set_bit (U_LATIN_EXTENDED_B);
set_bit (U_SPACING_MODIFIER_LETTERS);
set_bit (U_BASIC_GREEK);
set_bit (U_GENERAL_PUNCTUATION);
set_bit (U_SUPERSCRIPTS_AND_SUBSCRIPTS);
set_bit (U_CURRENCY_SYMBOLS);
set_bit (U_LETTERLIKE_SYMBOLS);
set_bit (U_ARROWS);
set_bit (U_MATHEMATICAL_OPERATORS);
set_bit (U_MISCELLANEOUS_TECHNICAL);
set_bit (U_BOX_DRAWING);
set_bit (U_BLOCK_ELEMENTS);
set_bit (U_GEOMETRIC_SHAPES);
set_bit (U_MISCELLANEOUS_SYMBOLS);
retval = TRUE;
break;
case VIETNAMESE_CHARSET:
case THAI_CHARSET:
/* These are not in the table, so I have no idea */
break;
case BALTIC_CHARSET:
set_bit (U_BASIC_LATIN);
set_bit (U_LATIN_1_SUPPLEMENT);
set_bit (U_LATIN_EXTENDED_A);
set_bit (U_LATIN_EXTENDED_B);
set_bit (U_SPACING_MODIFIER_LETTERS);
set_bit (U_BASIC_GREEK);
set_bit (U_GENERAL_PUNCTUATION);
set_bit (U_SUPERSCRIPTS_AND_SUBSCRIPTS);
set_bit (U_CURRENCY_SYMBOLS);
set_bit (U_LETTERLIKE_SYMBOLS);
set_bit (U_ARROWS);
set_bit (U_MATHEMATICAL_OPERATORS);
set_bit (U_MISCELLANEOUS_TECHNICAL);
set_bit (U_BOX_DRAWING);
set_bit (U_BLOCK_ELEMENTS);
set_bit (U_GEOMETRIC_SHAPES);
set_bit (U_MISCELLANEOUS_SYMBOLS);
retval = TRUE;
break;
case EASTEUROPE_CHARSET:
set_bit (U_BASIC_LATIN);
set_bit (U_LATIN_1_SUPPLEMENT);
set_bit (U_LATIN_EXTENDED_A);
set_bit (U_LATIN_EXTENDED_B);
set_bit (U_SPACING_MODIFIER_LETTERS);
set_bit (U_BASIC_GREEK);
set_bit (U_GENERAL_PUNCTUATION);
set_bit (U_SUPERSCRIPTS_AND_SUBSCRIPTS);
set_bit (U_CURRENCY_SYMBOLS);
set_bit (U_LETTERLIKE_SYMBOLS);
set_bit (U_ARROWS);
set_bit (U_MATHEMATICAL_OPERATORS);
set_bit (U_MISCELLANEOUS_TECHNICAL);
set_bit (U_BOX_DRAWING);
set_bit (U_BLOCK_ELEMENTS);
set_bit (U_GEOMETRIC_SHAPES);
set_bit (U_MISCELLANEOUS_SYMBOLS);
retval = TRUE;
break;
case RUSSIAN_CHARSET:
set_bit (U_BASIC_LATIN);
set_bit (U_LATIN_1_SUPPLEMENT);
set_bit (U_CYRILLIC);
set_bit (U_GENERAL_PUNCTUATION);
set_bit (U_LETTERLIKE_SYMBOLS);
set_bit (U_ARROWS);
set_bit (U_MATHEMATICAL_OPERATORS);
set_bit (U_MISCELLANEOUS_TECHNICAL);
set_bit (U_BOX_DRAWING);
set_bit (U_BLOCK_ELEMENTS);
set_bit (U_GEOMETRIC_SHAPES);
set_bit (U_MISCELLANEOUS_SYMBOLS);
retval = TRUE;
break;
}
#undef set_bit
return retval;
}
static GdkWin32SingleFont *
gdk_font_load_logfont (LOGFONT *lfp)
{
GdkWin32SingleFont *singlefont;
HFONT hfont;
LOGFONT logfont;
CHARSETINFO csi;
HGDIOBJ oldfont;
int tries;
gchar face[100];
for (tries = 0; ; tries++)
{
GDK_NOTE (MISC, g_print ("... trying %ld,%ld,%ld,%ld,"
"%ld,%d,%d,%d,"
"%d,%d,%d,"
"%d,%#.02x,\"%s\"\n",
lfp->lfHeight, lfp->lfWidth,
lfp->lfEscapement, lfp->lfOrientation,
lfp->lfWeight, lfp->lfItalic,
lfp->lfUnderline, lfp->lfStrikeOut,
lfp->lfCharSet,
lfp->lfOutPrecision, lfp->lfClipPrecision,
lfp->lfQuality, lfp->lfPitchAndFamily,
lfp->lfFaceName));
hfont = CreateFontIndirect (lfp);
if (hfont != NULL)
break;
/* If we fail, try some similar fonts often found on Windows. */
if (tries == 0)
{
if (g_strcasecmp (lfp->lfFaceName, "helvetica") == 0)
strcpy (lfp->lfFaceName, "arial");
else if (g_strcasecmp (lfp->lfFaceName, "new century schoolbook") == 0)
strcpy (lfp->lfFaceName, "century schoolbook");
else if (g_strcasecmp (lfp->lfFaceName, "courier") == 0)
strcpy (lfp->lfFaceName, "courier new");
else if (g_strcasecmp (lfp->lfFaceName, "lucida") == 0)
strcpy (lfp->lfFaceName, "lucida sans unicode");
else if (g_strcasecmp (lfp->lfFaceName, "lucidatypewriter") == 0)
strcpy (lfp->lfFaceName, "lucida console");
else if (g_strcasecmp (lfp->lfFaceName, "times") == 0)
strcpy (lfp->lfFaceName, "times new roman");
}
else if (tries == 1)
{
if (g_strcasecmp (lfp->lfFaceName, "courier") == 0)
{
strcpy (lfp->lfFaceName, "");
lfp->lfPitchAndFamily |= FF_MODERN;
}
else if (g_strcasecmp (lfp->lfFaceName, "times new roman") == 0)
{
strcpy (lfp->lfFaceName, "");
lfp->lfPitchAndFamily |= FF_ROMAN;
}
else if (g_strcasecmp (lfp->lfFaceName, "helvetica") == 0
|| g_strcasecmp (lfp->lfFaceName, "lucida") == 0)
{
strcpy (lfp->lfFaceName, "");
lfp->lfPitchAndFamily |= FF_SWISS;
}
else
{
strcpy (lfp->lfFaceName, "");
lfp->lfPitchAndFamily = (lfp->lfPitchAndFamily & 0x0F) | FF_DONTCARE;
}
}
else
break;
tries++;
}
if (!hfont)
return NULL;
singlefont = g_new (GdkWin32SingleFont, 1);
singlefont->hfont = hfont;
GetObject (singlefont->hfont, sizeof (logfont), &logfont);
oldfont = SelectObject (gdk_display_hdc, singlefont->hfont);
memset (&singlefont->fs, 0, sizeof (singlefont->fs));
singlefont->charset = GetTextCharsetInfo (gdk_display_hdc, &singlefont->fs, 0);
GetTextFace (gdk_display_hdc, sizeof (face), face);
SelectObject (gdk_display_hdc, oldfont);
if (TranslateCharsetInfo ((DWORD *) singlefont->charset, &csi,
TCI_SRCCHARSET)
&& singlefont->charset != MAC_CHARSET)
singlefont->codepage = csi.ciACP;
else
singlefont->codepage = 0;
GDK_NOTE (MISC, (g_print ("... = %#x %s cs %s cp%d\n",
(guint) singlefont->hfont, face,
charset_name (singlefont->charset),
singlefont->codepage),
g_print ("... Unicode subranges:"),
print_unicode_subranges (&singlefont->fs)));
if (check_unicode_subranges (singlefont->charset, &singlefont->fs))
GDK_NOTE (MISC, (g_print ("... Guesstimated Unicode subranges:"),
print_unicode_subranges (&singlefont->fs)));
return singlefont;
}
static GdkWin32SingleFont *
gdk_font_load_internal (const gchar *font_name)
{
LOGFONT logfont;
char *fn;
int numfields, n1, n2;
char foundry[32], family[100], weight[32], slant[32], set_width[32],
spacing[32], registry[32], encoding[32];
char pixel_size[10], point_size[10], res_x[10], res_y[10], avg_width[10];
int c;
char *p;
int logpixelsy;
g_return_val_if_fail (font_name != NULL, NULL);
GDK_NOTE (MISC, g_print ("gdk_font_load_internal: %s\n", font_name));
numfields = sscanf (font_name,
"-%30[^-]-%100[^-]-%30[^-]-%30[^-]-%30[^-]-%n",
foundry,
family,
weight,
slant,
set_width,
&n1);
if (numfields == 0)
{
/* Probably a plain Windows font name */
logfont.lfHeight = 0;
logfont.lfWidth = 0;
logfont.lfEscapement = 0;
logfont.lfOrientation = 0;
logfont.lfWeight = FW_DONTCARE;
logfont.lfItalic = FALSE;
logfont.lfUnderline = FALSE;
logfont.lfStrikeOut = FALSE;
logfont.lfCharSet = ANSI_CHARSET;
logfont.lfOutPrecision = OUT_TT_ONLY_PRECIS;
logfont.lfClipPrecision = CLIP_DEFAULT_PRECIS;
logfont.lfQuality = PROOF_QUALITY;
logfont.lfPitchAndFamily = DEFAULT_PITCH;
fn = g_filename_from_utf8 (font_name, -1, NULL, NULL, NULL);
strcpy (logfont.lfFaceName, fn);
g_free (fn);
}
else if (numfields != 5)
{
g_warning ("gdk_font_load: font name %s illegal", font_name);
return NULL;
}
else
{
/* It must be a XLFD name */
/* Check for hex escapes in the font family,
* put in there by logfont_to_xlfd. Convert them in-place.
*/
p = family;
while (*p)
{
if (*p == '%' && isxdigit (p[1]) && isxdigit (p[2]))
{
sscanf (p+1, "%2x", &c);
*p = c;
strcpy (p+1, p+3);
}
p++;
}
/* Skip add_style which often is empty in the requested font name */
while (font_name[n1] && font_name[n1] != '-')
n1++;
numfields++;
numfields += sscanf (font_name + n1,
"-%8[^-]-%8[^-]-%8[^-]-%8[^-]-%30[^-]-%8[^-]-%30[^-]-%30[^-]%n",
pixel_size,
point_size,
res_x,
res_y,
spacing,
avg_width,
registry,
encoding,
&n2);
if (numfields != 14 || font_name[n1 + n2] != '\0')
{
g_warning ("gdk_font_load: font name %s illegal", font_name);
return NULL;
}
logpixelsy = GetDeviceCaps (gdk_display_hdc, LOGPIXELSY);
if (strcmp (pixel_size, "*") == 0)
if (strcmp (point_size, "*") == 0)
logfont.lfHeight = 0;
else
logfont.lfHeight = (int) (((double) atoi (point_size))/720.*logpixelsy);
else
logfont.lfHeight = atoi (pixel_size);
logfont.lfWidth = 0;
logfont.lfEscapement = 0;
logfont.lfOrientation = 0;
if (g_strcasecmp (weight, "thin") == 0)
logfont.lfWeight = FW_THIN;
else if (g_strcasecmp (weight, "extralight") == 0)
logfont.lfWeight = FW_EXTRALIGHT;
else if (g_strcasecmp (weight, "ultralight") == 0)
#ifdef FW_ULTRALIGHT
logfont.lfWeight = FW_ULTRALIGHT;
#else
logfont.lfWeight = FW_EXTRALIGHT; /* In fact, FW_ULTRALIGHT really is
* defined as FW_EXTRALIGHT anyway.
*/
#endif
else if (g_strcasecmp (weight, "light") == 0)
logfont.lfWeight = FW_LIGHT;
else if (g_strcasecmp (weight, "normal") == 0)
logfont.lfWeight = FW_NORMAL;
else if (g_strcasecmp (weight, "regular") == 0)
logfont.lfWeight = FW_REGULAR;
else if (g_strcasecmp (weight, "medium") == 0)
logfont.lfWeight = FW_MEDIUM;
else if (g_strcasecmp (weight, "semibold") == 0)
logfont.lfWeight = FW_SEMIBOLD;
else if (g_strcasecmp (weight, "demibold") == 0)
#ifdef FW_DEMIBOLD
logfont.lfWeight = FW_DEMIBOLD;
#else
logfont.lfWeight = FW_SEMIBOLD; /* As above */
#endif
else if (g_strcasecmp (weight, "bold") == 0)
logfont.lfWeight = FW_BOLD;
else if (g_strcasecmp (weight, "extrabold") == 0)
logfont.lfWeight = FW_EXTRABOLD;
else if (g_strcasecmp (weight, "ultrabold") == 0)
#ifdef FW_ULTRABOLD
logfont.lfWeight = FW_ULTRABOLD;
#else
logfont.lfWeight = FW_EXTRABOLD; /* As above */
#endif
else if (g_strcasecmp (weight, "heavy") == 0)
logfont.lfWeight = FW_HEAVY;
else if (g_strcasecmp (weight, "black") == 0)
#ifdef FW_BLACK
logfont.lfWeight = FW_BLACK;
#else
logfont.lfWeight = FW_HEAVY; /* As above */
#endif
else
logfont.lfWeight = FW_DONTCARE;
if (g_strcasecmp (slant, "italic") == 0
|| g_strcasecmp (slant, "oblique") == 0
|| g_strcasecmp (slant, "i") == 0
|| g_strcasecmp (slant, "o") == 0)
logfont.lfItalic = TRUE;
else
logfont.lfItalic = FALSE;
logfont.lfUnderline = FALSE;
logfont.lfStrikeOut = FALSE;
if (g_strcasecmp (registry, "iso8859") == 0)
if (strcmp (encoding, "1") == 0)
logfont.lfCharSet = ANSI_CHARSET;
else if (strcmp (encoding, "2") == 0)
logfont.lfCharSet = EASTEUROPE_CHARSET;
else if (strcmp (encoding, "7") == 0)
logfont.lfCharSet = GREEK_CHARSET;
else if (strcmp (encoding, "8") == 0)
logfont.lfCharSet = HEBREW_CHARSET;
else if (strcmp (encoding, "9") == 0)
logfont.lfCharSet = TURKISH_CHARSET;
else
logfont.lfCharSet = ANSI_CHARSET; /* XXX ??? */
else if (g_strcasecmp (registry, "jisx0208.1983") == 0)
logfont.lfCharSet = SHIFTJIS_CHARSET;
else if (g_strcasecmp (registry, "ksc5601.1987") == 0)
logfont.lfCharSet = HANGEUL_CHARSET;
else if (g_strcasecmp (registry, "gb2312.1980") == 0)
logfont.lfCharSet = GB2312_CHARSET;
else if (g_strcasecmp (registry, "big5") == 0)
logfont.lfCharSet = CHINESEBIG5_CHARSET;
else if (g_strcasecmp (registry, "windows") == 0
|| g_strcasecmp (registry, "microsoft") == 0)
if (g_strcasecmp (encoding, "symbol") == 0)
logfont.lfCharSet = SYMBOL_CHARSET;
else if (g_strcasecmp (encoding, "shiftjis") == 0)
logfont.lfCharSet = SHIFTJIS_CHARSET;
else if (g_strcasecmp (encoding, "gb2312") == 0)
logfont.lfCharSet = GB2312_CHARSET;
else if (g_strcasecmp (encoding, "hangeul") == 0)
logfont.lfCharSet = HANGEUL_CHARSET;
else if (g_strcasecmp (encoding, "big5") == 0)
logfont.lfCharSet = CHINESEBIG5_CHARSET;
else if (g_strcasecmp (encoding, "johab") == 0)
logfont.lfCharSet = JOHAB_CHARSET;
else if (g_strcasecmp (encoding, "hebrew") == 0)
logfont.lfCharSet = HEBREW_CHARSET;
else if (g_strcasecmp (encoding, "arabic") == 0)
logfont.lfCharSet = ARABIC_CHARSET;
else if (g_strcasecmp (encoding, "greek") == 0)
logfont.lfCharSet = GREEK_CHARSET;
else if (g_strcasecmp (encoding, "turkish") == 0)
logfont.lfCharSet = TURKISH_CHARSET;
else if (g_strcasecmp (encoding, "easteurope") == 0)
logfont.lfCharSet = EASTEUROPE_CHARSET;
else if (g_strcasecmp (encoding, "russian") == 0)
logfont.lfCharSet = RUSSIAN_CHARSET;
else if (g_strcasecmp (encoding, "mac") == 0)
logfont.lfCharSet = MAC_CHARSET;
else if (g_strcasecmp (encoding, "baltic") == 0)
logfont.lfCharSet = BALTIC_CHARSET;
else if (g_strcasecmp (encoding, "cp1251") == 0)
logfont.lfCharSet = RUSSIAN_CHARSET;
else
logfont.lfCharSet = ANSI_CHARSET; /* XXX ??? */
else
logfont.lfCharSet = ANSI_CHARSET; /* XXX ??? */
logfont.lfOutPrecision = OUT_TT_PRECIS;
logfont.lfClipPrecision = CLIP_DEFAULT_PRECIS;
logfont.lfQuality = PROOF_QUALITY;
if (g_strcasecmp (spacing, "m") == 0)
logfont.lfPitchAndFamily = FIXED_PITCH;
else if (g_strcasecmp (spacing, "p") == 0)
logfont.lfPitchAndFamily = VARIABLE_PITCH;
else
logfont.lfPitchAndFamily = DEFAULT_PITCH;
fn = g_filename_from_utf8 (family, -1, NULL, NULL, NULL);
strcpy (logfont.lfFaceName, fn);
g_free (fn);
}
return gdk_font_load_logfont (&logfont);
}
static GdkFont *
gdk_font_from_one_singlefont (GdkWin32SingleFont *singlefont)
{
GdkFont *font;
GdkFontPrivateWin32 *private;
HGDIOBJ oldfont;
TEXTMETRIC textmetric;
private = g_new (GdkFontPrivateWin32, 1);
font = (GdkFont*) private;
private->base.ref_count = 1;
private->names = NULL;
private->fonts = g_slist_append (NULL, singlefont);
/* Pretend all fonts are fontsets... Gtktext and gtkentry work better
* that way, they use wide chars, which is necessary for non-ASCII
* chars to work. (Yes, even Latin-1, as we use Unicode internally.)
*/
font->type = GDK_FONT_FONTSET;
oldfont = SelectObject (gdk_display_hdc, singlefont->hfont);
GetTextMetrics (gdk_display_hdc, &textmetric);
SelectObject (gdk_display_hdc, oldfont);
font->ascent = textmetric.tmAscent;
font->descent = textmetric.tmDescent;
GDK_NOTE (MISC, g_print ("... asc %d desc %d\n",
font->ascent, font->descent));
return font;
}
GdkFont*
gdk_font_load_for_display (GdkDisplay *display,
const gchar *font_name)
{
GdkFont *font;
GdkFontPrivateWin32 *private;
GdkWin32SingleFont *singlefont;
HGDIOBJ oldfont;
TEXTMETRIC textmetric;
g_return_val_if_fail (font_name != NULL, NULL);
g_return_val_if_fail (display == gdk_display_get_default (), NULL);
font = gdk_font_hash_lookup (GDK_FONT_FONTSET, font_name);
if (font)
return font;
private = g_new (GdkFontPrivateWin32, 1);
font = (GdkFont*) private;
singlefont = gdk_font_load_internal (font_name);
private->base.ref_count = 1;
private->names = NULL;
private->fonts = g_slist_append (NULL, singlefont);
/* Pretend all fonts are fontsets... Gtktext and gtkentry work better
* that way, they use wide chars, which is necessary for non-ASCII
* chars to work. (Yes, even Latin-1, as we use Unicode internally.)
*/
font->type = GDK_FONT_FONTSET;
oldfont = SelectObject (gdk_display_hdc, singlefont->hfont);
GetTextMetrics (gdk_display_hdc, &textmetric);
SelectObject (gdk_display_hdc, oldfont);
font->ascent = textmetric.tmAscent;
font->descent = textmetric.tmDescent;
GDK_NOTE (MISC, g_print ("... asc %d desc %d\n",
font->ascent, font->descent));
gdk_font_hash_insert (GDK_FONT_FONTSET, font, font_name);
return gdk_font_from_one_singlefont (gdk_font_load_internal (font_name));
}
GdkFont*
gdk_font_from_description_for_display (GdkDisplay *display,
PangoFontDescription *font_desc)
{
PangoFontMap *font_map;
PangoFont *font;
GdkFont *result = NULL;
g_return_val_if_fail (font_desc != NULL, NULL);
g_return_val_if_fail (display == gdk_display_get_default (), NULL);
font_map = pango_win32_font_map_for_display ();
font = pango_font_map_load_font (font_map, gdk_pango_context_get (), font_desc);
if (font)
{
LOGFONT *lfp =
pango_win32_font_logfont (font);
result = gdk_font_from_one_singlefont (gdk_font_load_logfont (lfp));
g_free (lfp);
g_object_unref (font);
}
return result;
}
GdkFont*
gdk_fontset_load (const gchar *fontset_name)
{
GdkFont *font;
GdkFontPrivateWin32 *private;
GdkWin32SingleFont *singlefont;
HGDIOBJ oldfont;
TEXTMETRIC textmetric;
gchar *fs;
gchar *b, *p, *s;
g_return_val_if_fail (fontset_name != NULL, NULL);
font = gdk_font_hash_lookup (GDK_FONT_FONTSET, fontset_name);
if (font)
return font;
s = fs = g_strdup (fontset_name);
while (*s && isspace (*s))
s++;
g_return_val_if_fail (*s, NULL);
private = g_new (GdkFontPrivateWin32, 1);
font = (GdkFont*) private;
private->base.ref_count = 1;
private->names = NULL;
private->fonts = NULL;
font->type = GDK_FONT_FONTSET;
font->ascent = 0;
font->descent = 0;
while (TRUE)
{
if ((p = strchr (s, ',')) != NULL)
b = p;
else
b = s + strlen (s);
while (isspace (b[-1]))
b--;
*b = '\0';
singlefont = gdk_font_load_internal (s);
if (singlefont)
{
private->fonts = g_slist_append (private->fonts, singlefont);
oldfont = SelectObject (gdk_display_hdc, singlefont->hfont);
GetTextMetrics (gdk_display_hdc, &textmetric);
SelectObject (gdk_display_hdc, oldfont);
font->ascent = MAX (font->ascent, textmetric.tmAscent);
font->descent = MAX (font->descent, textmetric.tmDescent);
}
if (p)
{
s = p + 1;
while (*s && isspace (*s))
s++;
}
else
break;
if (!*s)
break;
}
g_free (fs);
gdk_font_hash_insert (GDK_FONT_FONTSET, font, fontset_name);
return font;
}
void
_gdk_font_destroy (GdkFont *font)
{
GdkFontPrivateWin32 *private = (GdkFontPrivateWin32 *) font;
GdkWin32SingleFont *singlefont;
GSList *list;
singlefont = (GdkWin32SingleFont *) private->fonts->data;
GDK_NOTE (MISC, g_print ("_gdk_font_destroy %#x\n",
(guint)singlefont->hfont));
gdk_font_hash_remove (font->type, font);
switch (font->type)
{
case GDK_FONT_FONT:
DeleteObject (singlefont->hfont);
break;
case GDK_FONT_FONTSET:
list = private->fonts;
while (list)
{
singlefont = (GdkWin32SingleFont *) list->data;
DeleteObject (singlefont->hfont);
list = list->next;
}
g_slist_free (private->fonts);
break;
}
g_free (font);
}
gint
_gdk_font_strlen (GdkFont *font,
const gchar *str)
{
g_return_val_if_fail (font != NULL, -1);
g_return_val_if_fail (str != NULL, -1);
return strlen (str);
}
gint
gdk_font_id (const GdkFont *font)
{
const GdkFontPrivateWin32 *private;
g_return_val_if_fail (font != NULL, 0);
private = (const GdkFontPrivateWin32 *) font;
if (font->type == GDK_FONT_FONT)
return (gint) ((GdkWin32SingleFont *) private->fonts->data)->hfont;
else
return 0;
}
gboolean
gdk_font_equal (const GdkFont *fonta,
const GdkFont *fontb)
{
const GdkFontPrivateWin32 *privatea;
const GdkFontPrivateWin32 *privateb;
g_return_val_if_fail (fonta != NULL, FALSE);
g_return_val_if_fail (fontb != NULL, FALSE);
privatea = (const GdkFontPrivateWin32 *) fonta;
privateb = (const GdkFontPrivateWin32 *) fontb;
if (fonta->type == GDK_FONT_FONT && fontb->type == GDK_FONT_FONT)
return (((GdkWin32SingleFont *) privatea->fonts->data)->hfont
== ((GdkWin32SingleFont *) privateb->fonts->data)->hfont);
else if (fonta->type == GDK_FONT_FONTSET && fontb->type == GDK_FONT_FONTSET)
{
GSList *lista = privatea->fonts;
GSList *listb = privateb->fonts;
while (lista && listb)
{
if (((GdkWin32SingleFont *) lista->data)->hfont
!= ((GdkWin32SingleFont *) listb->data)->hfont)
return 0;
lista = lista->next;
listb = listb->next;
}
if (lista || listb)
return 0;
else
return 1;
}
else
return 0;
}
/* Return the Unicode Subset bitfield number for a Unicode character */
static int
unicode_classify (wchar_t wc)
{
int min = 0;
int max = G_N_ELEMENTS (utab) - 1;
int mid;
while (max >= min)
{
mid = (min + max) / 2;
if (utab[mid].high < wc)
min = mid + 1;
else if (wc < utab[mid].low)
max = mid - 1;
else if (utab[mid].low <= wc && wc <= utab[mid].high)
return utab[mid].bit;
else
break;
}
/* Fallback... returning -1 might cause problems. Returning
* U_BASIC_LATIN won't help handling strange characters, but won't
* do harm either.
*/
return U_BASIC_LATIN;
}
void
_gdk_wchar_text_handle (GdkFont *font,
const wchar_t *wcstr,
int wclen,
void (*handler)(GdkWin32SingleFont *,
const wchar_t *,
int,
void *),
void *arg)
{
GdkFontPrivateWin32 *private;
GdkWin32SingleFont *singlefont;
GSList *list;
int block;
const wchar_t *start, *end, *wcp;
wcp = wcstr;
end = wcp + wclen;
private = (GdkFontPrivateWin32 *) font;
g_assert (private->base.ref_count > 0);
GDK_NOTE (MISC, g_print ("_gdk_wchar_text_handle: "));
while (wcp < end)
{
/* Split Unicode string into pieces of the same class */
start = wcp;
block = unicode_classify (*wcp);
while (wcp + 1 < end && unicode_classify (wcp[1]) == block)
wcp++;
/* Find a font in the fontset that can handle this class */
list = private->fonts;
while (list)
{
singlefont = (GdkWin32SingleFont *) list->data;
if (singlefont->fs.fsUsb[block/32] & (1 << (block % 32)))
break;
list = list->next;
}
if (!list)
singlefont = NULL;
GDK_NOTE (MISC, g_print ("%d:%d:%d:%#x ",
start-wcstr, wcp-wcstr, block,
(singlefont ? (guint) singlefont->hfont : 0)));
/* Call the callback function */
(*handler) (singlefont, start, wcp+1 - start, arg);
wcp++;
}
GDK_NOTE (MISC, g_print ("\n"));
}
typedef struct
{
SIZE total;
} gdk_text_size_arg;
static void
gdk_text_size_handler (GdkWin32SingleFont *singlefont,
const wchar_t *wcstr,
int wclen,
void *argp)
{
SIZE this_size;
HGDIOBJ oldfont;
gdk_text_size_arg *arg = (gdk_text_size_arg *) argp;
if (!singlefont)
return;
if ((oldfont = SelectObject (gdk_display_hdc, singlefont->hfont)) == NULL)
{
WIN32_GDI_FAILED ("SelectObject");
return;
}
GetTextExtentPoint32W (gdk_display_hdc, wcstr, wclen, &this_size);
SelectObject (gdk_display_hdc, oldfont);
arg->total.cx += this_size.cx;
arg->total.cy = MAX (arg->total.cy, this_size.cy);
}
static gboolean
gdk_text_size (GdkFont *font,
const gchar *text,
gint text_length,
gdk_text_size_arg *arg)
{
gint wlen;
wchar_t *wcstr;
g_return_val_if_fail (font != NULL, FALSE);
g_return_val_if_fail (text != NULL, FALSE);
if (text_length == 0)
return 0;
g_assert (font->type == GDK_FONT_FONT || font->type == GDK_FONT_FONTSET);
wcstr = g_new (wchar_t, text_length);
if (text_length == 1)
{
/* For single characters, don't try to interpret as UTF-8.
*/
wcstr[0] = (guchar) text[0];
_gdk_wchar_text_handle (font, wcstr, 1, gdk_text_size_handler, arg);
}
else
{
if ((wlen = _gdk_utf8_to_ucs2 (wcstr, text, text_length, text_length)) == -1)
g_warning ("gdk_text_size: _gdk_utf8_to_ucs2 failed");
else
_gdk_wchar_text_handle (font, wcstr, wlen, gdk_text_size_handler, arg);
}
g_free (wcstr);
return TRUE;
}
gint
gdk_text_width (GdkFont *font,
const gchar *text,
gint text_length)
{
gint width = -1;
gdk_text_extents (font, text, text_length, NULL, NULL, &width, NULL, NULL);
return width;
}
gint
gdk_text_width_wc (GdkFont *font,
const GdkWChar *text,
gint text_length)
{
gint width = -1;
gdk_text_extents_wc (font, text, text_length, NULL, NULL, &width, NULL, NULL);
return width;
}
void
gdk_text_extents (GdkFont *font,
const gchar *text,
gint text_length,
gint *lbearing,
gint *rbearing,
gint *width,
gint *ascent,
gint *descent)
{
gdk_text_size_arg arg;
gint wlen;
wchar_t *wcstr;
g_return_if_fail (font != NULL);
g_return_if_fail (text != NULL);
if (text_length == 0)
{
if (lbearing)
*lbearing = 0;
if (rbearing)
*rbearing = 0;
if (width)
*width = 0;
if (ascent)
*ascent = 0;
if (descent)
*descent = 0;
return;
}
g_assert (font->type == GDK_FONT_FONT || font->type == GDK_FONT_FONTSET);
arg.total.cx = arg.total.cy = 0;
wcstr = g_new (wchar_t, text_length);
if (text_length == 1)
{
wcstr[0] = (guchar) text[0];
_gdk_wchar_text_handle (font, wcstr, 1, gdk_text_size_handler, &arg);
}
else
{
if ((wlen = _gdk_utf8_to_ucs2 (wcstr, text, text_length, text_length)) == -1)
g_warning ("gdk_text_extents: _gdk_utf8_to_ucs2 failed");
else
_gdk_wchar_text_handle (font, wcstr, wlen, gdk_text_size_handler, &arg);
}
g_free (wcstr);
/* XXX This is quite bogus */
if (lbearing)
*lbearing = 0;
if (rbearing)
*rbearing = arg.total.cx;
/* What should be the difference between width and rbearing? */
if (width)
*width = arg.total.cx;
if (ascent)
*ascent = arg.total.cy + 1;
if (descent)
*descent = font->descent + 1;
}
void
gdk_text_extents_wc (GdkFont *font,
const GdkWChar *text,
gint text_length,
gint *lbearing,
gint *rbearing,
gint *width,
gint *ascent,
gint *descent)
{
gdk_text_size_arg arg;
wchar_t *wcstr;
gint i;
g_return_if_fail (font != NULL);
g_return_if_fail (text != NULL);
if (text_length == 0)
{
if (lbearing)
*lbearing = 0;
if (rbearing)
*rbearing = 0;
if (width)
*width = 0;
if (ascent)
*ascent = 0;
if (descent)
*descent = 0;
return;
}
g_assert (font->type == GDK_FONT_FONT || font->type == GDK_FONT_FONTSET);
if (sizeof (wchar_t) != sizeof (GdkWChar))
{
wcstr = g_new (wchar_t, text_length);
for (i = 0; i < text_length; i++)
wcstr[i] = text[i];
}
else
wcstr = (wchar_t *) text;
arg.total.cx = arg.total.cy = 0;
_gdk_wchar_text_handle (font, wcstr, text_length,
gdk_text_size_handler, &arg);
if (sizeof (wchar_t) != sizeof (GdkWChar))
g_free (wcstr);
/* XXX This is quite bogus */
if (lbearing)
*lbearing = 0;
if (rbearing)
*rbearing = arg.total.cx;
if (width)
*width = arg.total.cx;
if (ascent)
*ascent = arg.total.cy + 1;
if (descent)
*descent = font->descent + 1;
}
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