/* GDK - The GIMP Drawing Kit * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library 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 * Library General Public License for more details. * * You should have received a copy of the GNU Library 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 1997-1999. 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 "config.h" #include #include #include "gdkfont.h" #include "gdkprivate.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) { GdkFontPrivate *private = (GdkFontPrivate *)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) { GdkFontPrivate *private = (GdkFontPrivate *)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 "CHINESEBIG5"; 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"; } GdkFont* gdk_font_load_internal (GdkFontType type, const gchar *font_name) { GdkFont *font; GdkFontPrivate *private; HFONT hfont; LOGFONT logfont; HGDIOBJ oldfont; TEXTMETRIC textmetric; CHARSETINFO csi; HANDLE *f; DWORD fdwItalic, fdwUnderline, fdwStrikeOut, fdwCharSet, fdwOutputPrecision, fdwClipPrecision, fdwQuality, fdwPitchAndFamily; const char *lpszFace; int numfields, n1, n2, tries; 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 nHeight, nWidth, nEscapement, nOrientation, fnWeight; int logpixelsy; g_return_val_if_fail (font_name != NULL, NULL); GDK_NOTE (MISC, g_print ("gdk_font_load_internal: %s\n", font_name)); font = gdk_font_hash_lookup (type, font_name); if (font) return font; 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 */ nHeight = 0; nWidth = 0; nEscapement = 0; nOrientation = 0; fnWeight = FW_DONTCARE; fdwItalic = FALSE; fdwUnderline = FALSE; fdwStrikeOut = FALSE; fdwCharSet = ANSI_CHARSET; fdwOutputPrecision = OUT_TT_PRECIS; fdwClipPrecision = CLIP_DEFAULT_PRECIS; fdwQuality = PROOF_QUALITY; fdwPitchAndFamily = DEFAULT_PITCH; lpszFace = font_name; } else if (numfields != 5) { g_warning ("gdk_font_load: font name %s illegal", font_name); g_free (font); return NULL; } else { /* It must be a XLFD name */ /* Check for hex escapes in the font family, * put in there by gtkfontsel. */ 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); g_free (font); return NULL; } logpixelsy = GetDeviceCaps (gdk_DC, LOGPIXELSY); if (strcmp (pixel_size, "*") == 0) if (strcmp (point_size, "*") == 0) nHeight = 0; else nHeight = (int) (((double) atoi (point_size))/720.*logpixelsy); else nHeight = atoi (pixel_size); nWidth = 0; nEscapement = 0; nOrientation = 0; if (g_strcasecmp (weight, "thin") == 0) fnWeight = FW_THIN; else if (g_strcasecmp (weight, "extralight") == 0) fnWeight = FW_EXTRALIGHT; else if (g_strcasecmp (weight, "ultralight") == 0) #ifdef FW_ULTRALIGHT fnWeight = FW_ULTRALIGHT; #else fnWeight = FW_EXTRALIGHT; /* In fact, FW_ULTRALIGHT really is * defined as FW_EXTRALIGHT anyway. */ #endif else if (g_strcasecmp (weight, "light") == 0) fnWeight = FW_LIGHT; else if (g_strcasecmp (weight, "normal") == 0) fnWeight = FW_NORMAL; else if (g_strcasecmp (weight, "regular") == 0) fnWeight = FW_REGULAR; else if (g_strcasecmp (weight, "medium") == 0) fnWeight = FW_MEDIUM; else if (g_strcasecmp (weight, "semibold") == 0) fnWeight = FW_SEMIBOLD; else if (g_strcasecmp (weight, "demibold") == 0) #ifdef FW_DEMIBOLD fnWeight = FW_DEMIBOLD; #else fnWeight = FW_SEMIBOLD; /* As above */ #endif else if (g_strcasecmp (weight, "bold") == 0) fnWeight = FW_BOLD; else if (g_strcasecmp (weight, "extrabold") == 0) fnWeight = FW_EXTRABOLD; else if (g_strcasecmp (weight, "ultrabold") == 0) #ifdef FW_ULTRABOLD fnWeight = FW_ULTRABOLD; #else fnWeight = FW_EXTRABOLD; /* As above */ #endif else if (g_strcasecmp (weight, "heavy") == 0) fnWeight = FW_HEAVY; else if (g_strcasecmp (weight, "black") == 0) #ifdef FW_BLACK fnWeight = FW_BLACK; #else fnWeight = FW_HEAVY; /* As above */ #endif else fnWeight = FW_DONTCARE; if (g_strcasecmp (slant, "italic") == 0 || g_strcasecmp (slant, "oblique") == 0 || g_strcasecmp (slant, "i") == 0 || g_strcasecmp (slant, "o") == 0) fdwItalic = TRUE; else fdwItalic = FALSE; fdwUnderline = FALSE; fdwStrikeOut = FALSE; if (g_strcasecmp (registry, "iso8859") == 0) if (strcmp (encoding, "1") == 0) fdwCharSet = ANSI_CHARSET; else fdwCharSet = ANSI_CHARSET; /* XXX ??? */ else if (g_strcasecmp (registry, "windows") == 0) if (g_strcasecmp (encoding, "symbol") == 0) fdwCharSet = SYMBOL_CHARSET; else if (g_strcasecmp (encoding, "shiftjis") == 0) fdwCharSet = SHIFTJIS_CHARSET; else if (g_strcasecmp (encoding, "gb2312") == 0) fdwCharSet = GB2312_CHARSET; else if (g_strcasecmp (encoding, "hangeul") == 0) fdwCharSet = HANGEUL_CHARSET; else if (g_strcasecmp (encoding, "chinesebig5") == 0) fdwCharSet = CHINESEBIG5_CHARSET; else if (g_strcasecmp (encoding, "johab") == 0) fdwCharSet = JOHAB_CHARSET; else if (g_strcasecmp (encoding, "hebrew") == 0) fdwCharSet = HEBREW_CHARSET; else if (g_strcasecmp (encoding, "arabic") == 0) fdwCharSet = ARABIC_CHARSET; else if (g_strcasecmp (encoding, "greek") == 0) fdwCharSet = GREEK_CHARSET; else if (g_strcasecmp (encoding, "turkish") == 0) fdwCharSet = TURKISH_CHARSET; else if (g_strcasecmp (encoding, "easteurope") == 0) fdwCharSet = EASTEUROPE_CHARSET; else if (g_strcasecmp (encoding, "russian") == 0) fdwCharSet = RUSSIAN_CHARSET; else if (g_strcasecmp (encoding, "mac") == 0) fdwCharSet = MAC_CHARSET; else if (g_strcasecmp (encoding, "baltic") == 0) fdwCharSet = BALTIC_CHARSET; else fdwCharSet = ANSI_CHARSET; /* XXX ??? */ else fdwCharSet = ANSI_CHARSET; /* XXX ??? */ fdwOutputPrecision = OUT_TT_PRECIS; fdwClipPrecision = CLIP_DEFAULT_PRECIS; fdwQuality = PROOF_QUALITY; if (g_strcasecmp (spacing, "m") == 0) fdwPitchAndFamily = FIXED_PITCH; else if (g_strcasecmp (spacing, "p") == 0) fdwPitchAndFamily = VARIABLE_PITCH; else fdwPitchAndFamily = DEFAULT_PITCH; lpszFace = family; } for (tries = 0; ; tries++) { GDK_NOTE (MISC, g_print ("...trying CreateFont(%d,%d,%d,%d," "%d,%d,%d,%d," "%d,%d,%d," "%d,%#.02x,\"%s\")\n", nHeight, nWidth, nEscapement, nOrientation, fnWeight, fdwItalic, fdwUnderline, fdwStrikeOut, fdwCharSet, fdwOutputPrecision, fdwClipPrecision, fdwQuality, fdwPitchAndFamily, lpszFace)); if ((hfont = CreateFont (nHeight, nWidth, nEscapement, nOrientation, fnWeight, fdwItalic, fdwUnderline, fdwStrikeOut, fdwCharSet, fdwOutputPrecision, fdwClipPrecision, fdwQuality, fdwPitchAndFamily, lpszFace)) != NULL) break; /* If we fail, try some similar fonts often found on Windows. */ if (tries == 0) { if (g_strcasecmp (family, "helvetica") == 0) lpszFace = "arial"; else if (g_strcasecmp (family, "new century schoolbook") == 0) lpszFace = "century schoolbook"; else if (g_strcasecmp (family, "courier") == 0) lpszFace = "courier new"; else if (g_strcasecmp (family, "lucida") == 0) lpszFace = "lucida sans unicode"; else if (g_strcasecmp (family, "lucidatypewriter") == 0) lpszFace = "lucida console"; else if (g_strcasecmp (family, "times") == 0) lpszFace = "times new roman"; } else if (tries == 1) { if (g_strcasecmp (family, "courier") == 0) { lpszFace = ""; fdwPitchAndFamily |= FF_MODERN; } else if (g_strcasecmp (family, "times new roman") == 0) { lpszFace = ""; fdwPitchAndFamily |= FF_ROMAN; } else if (g_strcasecmp (family, "helvetica") == 0 || g_strcasecmp (family, "lucida") == 0) { lpszFace = ""; fdwPitchAndFamily |= FF_SWISS; } else { lpszFace = ""; fdwPitchAndFamily = (fdwPitchAndFamily & 0x0F) | FF_DONTCARE; } } else break; tries++; } if (!hfont) return NULL; private = g_new (GdkFontPrivate, 1); font = (GdkFont*) private; private->xfont = hfont; private->ref_count = 1; private->names = NULL; GetObject (private->xfont, sizeof (logfont), &logfont); oldfont = SelectObject (gdk_DC, private->xfont); GetTextMetrics (gdk_DC, &textmetric); private->charset = GetTextCharsetInfo (gdk_DC, &private->fs, 0); SelectObject (gdk_DC, oldfont); TranslateCharsetInfo ((DWORD *) private->charset, &csi, TCI_SRCCHARSET); private->codepage = csi.ciACP; GetCPInfo (private->codepage, &private->cpinfo); font->type = type; font->ascent = textmetric.tmAscent; font->descent = textmetric.tmDescent; GDK_NOTE (MISC, g_print ("... = %#x charset %s codepage %d (max %d bytes) " "asc %d desc %d\n", private->xfont, charset_name (private->charset), private->codepage, private->cpinfo.MaxCharSize, font->ascent, font->descent)); /* This memory is leaked, so shoot me. */ f = g_new (HANDLE, 1); *f = (HANDLE) ((guint) private->xfont + HFONT_DITHER); gdk_xid_table_insert (f, font); gdk_font_hash_insert (type, font, font_name); return font; } GdkFont* gdk_font_load (const gchar *font_name) { /* Load all fonts as 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.) */ return gdk_font_load_internal (GDK_FONT_FONTSET, font_name); } GdkFont* gdk_fontset_load (gchar *fontset_name) { return gdk_font_load_internal (GDK_FONT_FONTSET, fontset_name); } GdkFont* gdk_font_ref (GdkFont *font) { GdkFontPrivate *private; g_return_val_if_fail (font != NULL, NULL); private = (GdkFontPrivate*) font; private->ref_count += 1; GDK_NOTE (MISC, g_print ("gdk_font_ref %#x %d\n", private->xfont, private->ref_count)); return font; } void gdk_font_unref (GdkFont *font) { GdkFontPrivate *private; private = (GdkFontPrivate*) font; g_return_if_fail (font != NULL); g_return_if_fail (private->ref_count > 0); private->ref_count -= 1; GDK_NOTE (MISC, g_print ("gdk_font_unref %#x %d%s\n", private->xfont, private->ref_count, (private->ref_count == 0 ? " freeing" : ""))); if (private->ref_count == 0) { gdk_font_hash_remove (font->type, font); switch (font->type) { case GDK_FONT_FONT: case GDK_FONT_FONTSET: /* XXX */ gdk_xid_table_remove ((HANDLE) ((guint) private->xfont + HFONT_DITHER)); DeleteObject (private->xfont); break; default: g_assert_not_reached (); } g_free (font); } } gint gdk_font_id (const GdkFont *font) { const GdkFontPrivate *font_private; g_return_val_if_fail (font != NULL, 0); font_private = (const GdkFontPrivate*) font; if (font->type == GDK_FONT_FONT) return (gint) font_private->xfont; else return 0; } gint gdk_font_equal (const GdkFont *fonta, const GdkFont *fontb) { const GdkFontPrivate *privatea; const GdkFontPrivate *privateb; g_return_val_if_fail (fonta != NULL, FALSE); g_return_val_if_fail (fontb != NULL, FALSE); privatea = (const GdkFontPrivate*) fonta; privateb = (const GdkFontPrivate*) fontb; if (fonta->type == GDK_FONT_FONT && fontb->type == GDK_FONT_FONT) return (privatea->xfont == privateb->xfont); else if (fonta->type == GDK_FONT_FONTSET && fontb->type == GDK_FONT_FONTSET) return (privatea->xfont == privateb->xfont); else return 0; } gint gdk_string_width (GdkFont *font, const gchar *string) { return gdk_text_width (font, string, strlen (string)); } static gboolean gdk_text_size (GdkFont *font, const gchar *text, gint text_length, SIZE *sizep) { GdkFontPrivate *private; HGDIOBJ oldfont; 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; private = (GdkFontPrivate*) font; g_assert (font->type == GDK_FONT_FONT || font->type == GDK_FONT_FONTSET); if ((oldfont = SelectObject (gdk_DC, private->xfont)) == NULL) { g_warning ("gdk_text_width: SelectObject failed"); return FALSE; } wcstr = g_new (wchar_t, text_length); if ((wlen = gdk_nmbstowchar_ts (wcstr, text, text_length, text_length)) == -1) { g_warning ("gdk_text_size: gdk_nmbstowchar_ts failed"); return FALSE; } GetTextExtentPoint32W (gdk_DC, wcstr, wlen, sizep); g_free (wcstr); SelectObject (gdk_DC, oldfont); return TRUE; } gint gdk_text_width (GdkFont *font, const gchar *text, gint text_length) { SIZE size; if (!gdk_text_size (font, text, text_length, &size)) return -1; return size.cx; } gint gdk_text_width_wc (GdkFont *font, const GdkWChar *text, gint text_length) { GdkFontPrivate *private; HGDIOBJ oldfont; SIZE size; wchar_t *wcstr; guchar *str; gint i; g_return_val_if_fail (font != NULL, -1); g_return_val_if_fail (text != NULL, -1); if (text_length == 0) return 0; g_assert (font->type == GDK_FONT_FONT || font->type == GDK_FONT_FONTSET); private = (GdkFontPrivate*) font; if ((oldfont = SelectObject (gdk_DC, private->xfont)) == NULL) g_warning ("gdk_text_width_wc: SelectObject failed"); 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; GetTextExtentPoint32W (gdk_DC, wcstr, text_length, &size); if (sizeof (wchar_t) != sizeof (GdkWChar)) g_free (wcstr); if (oldfont != NULL) SelectObject (gdk_DC, oldfont); return size.cx; } gint gdk_char_width (GdkFont *font, gchar character) { if (((guchar) character) >= 128) { /* gtktext calls us with non-ASCII characters, sigh */ GdkWChar wc = (guchar) character; return gdk_text_width_wc (font, &wc, 1); } return gdk_text_width (font, &character, 1); } gint gdk_char_width_wc (GdkFont *font, GdkWChar character) { return gdk_text_width_wc (font, &character, 1); } gint gdk_string_measure (GdkFont *font, const gchar *string) { g_return_val_if_fail (font != NULL, -1); g_return_val_if_fail (string != NULL, -1); return gdk_text_measure (font, string, strlen (string)); } void gdk_text_extents (GdkFont *font, const gchar *text, gint text_length, gint *lbearing, gint *rbearing, gint *width, gint *ascent, gint *descent) { GdkFontPrivate *private; HGDIOBJ oldfont; SIZE size; 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); private = (GdkFontPrivate*) font; if ((oldfont = SelectObject (gdk_DC, private->xfont)) == NULL) g_warning ("gdk_text_extents: SelectObject failed"); wcstr = g_new (wchar_t, text_length); if ((wlen = gdk_nmbstowchar_ts (wcstr, text, text_length, text_length)) == -1) { g_warning ("gdk_text_extents: gdk_nmbstowchar_ts failed"); size.cx = 0; size.cy = 0; } else GetTextExtentPoint32W (gdk_DC, wcstr, wlen, &size); if (oldfont != NULL) SelectObject (gdk_DC, oldfont); /* XXX This is all quite bogus */ if (lbearing) *lbearing = 0; if (rbearing) *rbearing = 0; if (width) *width = size.cx; if (ascent) *ascent = size.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) { GdkFontPrivate *private; HGDIOBJ oldfont; SIZE size; 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); private = (GdkFontPrivate*) font; 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; if ((oldfont = SelectObject (gdk_DC, private->xfont)) == NULL) g_warning ("gdk_text_extents_wc: SelectObject failed"); GetTextExtentPoint32W (gdk_DC, wcstr, text_length, &size); if (sizeof (wchar_t) != sizeof (GdkWChar)) g_free (wcstr); if (oldfont != NULL) SelectObject (gdk_DC, oldfont); /* XXX This is all quite bogus */ if (lbearing) *lbearing = 0; if (rbearing) *rbearing = 0; if (width) *width = size.cx; if (ascent) *ascent = size.cy + 1; if (descent) *descent = font->descent + 1; } void gdk_string_extents (GdkFont *font, const gchar *string, gint *lbearing, gint *rbearing, gint *width, gint *ascent, gint *descent) { g_return_if_fail (font != NULL); g_return_if_fail (string != NULL); gdk_text_extents (font, string, strlen (string), lbearing, rbearing, width, ascent, descent); } gint gdk_text_measure (GdkFont *font, const gchar *text, gint text_length) { return gdk_text_width (font, text, text_length); /* ??? */ } gint gdk_char_measure (GdkFont *font, gchar character) { return gdk_text_measure (font, &character, 1); } gint gdk_string_height (GdkFont *font, const gchar *string) { g_return_val_if_fail (font != NULL, -1); g_return_val_if_fail (string != NULL, -1); return gdk_text_height (font, string, strlen (string)); } gint gdk_text_height (GdkFont *font, const gchar *text, gint text_length) { SIZE size; if (!gdk_text_size (font, text, text_length, &size)) return -1; return size.cy; } gint gdk_char_height (GdkFont *font, gchar character) { return gdk_text_height (font, &character, 1); }