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//
// "$Id: fl_set_fonts_win32.cxx,v 1.5.2.5.2.7 2002/06/29 00:10:04 matthiaswm Exp $"
//
// WIN32 font utilities for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2002 by Bill Spitzak and others.
//
// 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 this7 library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA.
//
// Please report all bugs and problems to "fltk-bugs@fltk.org".
//
// This function fills in the FLTK font table with all the fonts that
// are found on the X server. It tries to place the fonts into families
// and to sort them so the first 4 in a family are normal, bold, italic,
// and bold italic.
// turn a stored font name into a pretty name:
const char* Fl::get_font_name(Fl_Font fnum, int* ap) {
const char* p = fl_fonts[fnum].name;
if (!p || !*p) {if (ap) *ap = 0; return "";}
int type;
switch (*p) {
case 'B': type = FL_BOLD; break;
case 'I': type = FL_ITALIC; break;
case 'P': type = FL_BOLD | FL_ITALIC; break;
default: type = 0; break;
}
if (ap) *ap = type;
if (!type) return p+1;
static char *buffer; if (!buffer) buffer = new char[128];
strcpy(buffer, p+1);
if (type & FL_BOLD) strcat(buffer, " bold");
if (type & FL_ITALIC) strcat(buffer, " italic");
return buffer;
}
static int fl_free_font = FL_FREE_FONT;
static int CALLBACK
enumcb(CONST LOGFONT *lpelf,
CONST TEXTMETRIC * /*lpntm*/,
DWORD /*FontType*/,
LPARAM p) {
if (!p && lpelf->lfCharSet != ANSI_CHARSET) return 1;
const char *n = lpelf->lfFaceName;
for (int i=0; i<FL_FREE_FONT; i++) // skip if one of our built-in fonts
if (!strcmp(Fl::get_font_name((Fl_Font)i),n)) return 1;
char buffer[LF_FACESIZE + 1];
strcpy(buffer+1, n);
buffer[0] = ' '; Fl::set_font((Fl_Font)(fl_free_font++), strdup(buffer));
if (lpelf->lfWeight <= 400)
buffer[0] = 'B', Fl::set_font((Fl_Font)(fl_free_font++), strdup(buffer));
buffer[0] = 'I'; Fl::set_font((Fl_Font)(fl_free_font++), strdup(buffer));
if (lpelf->lfWeight <= 400)
buffer[0] = 'P', Fl::set_font((Fl_Font)(fl_free_font++), strdup(buffer));
return 1;
}
Fl_Font Fl::set_fonts(const char* xstarname) {
if (fl_free_font == FL_FREE_FONT) {// if not already been called
if (!fl_gc) fl_GetDC(0);
EnumFontFamilies(fl_gc, NULL, (FONTENUMPROC)enumcb, xstarname != 0);
}
return (Fl_Font)fl_free_font;
}
static int nbSize;
static int cyPerInch;
static int sizes[128];
static int CALLBACK
EnumSizeCb(CONST LOGFONT * /*lpelf*/,
CONST TEXTMETRIC *lpntm,
DWORD fontType,
LPARAM /*p*/) {
if ((fontType & RASTER_FONTTYPE) == 0) {
sizes[0] = 0;
nbSize = 1;
// Scalable font
return 0;
}
int add = lpntm->tmHeight - lpntm->tmInternalLeading;
add = MulDiv(add, 72, cyPerInch);
int start = 0;
while ((start < nbSize) && (sizes[start] < add)) {
start++;
}
if ((start < nbSize) && (sizes[start] == add)) {
return 1;
}
for (int i=nbSize; i>start; i--) sizes[i] = sizes[i - 1];
sizes[start] = add;
nbSize++;
// Stop enum if buffer overflow
return nbSize < 128;
}
int
Fl::get_font_sizes(Fl_Font fnum, int*& sizep) {
nbSize = 0;
Fl_Fontdesc *s = fl_fonts+fnum;
if (!s->name) s = fl_fonts; // empty slot in table, use entry 0
if (!fl_gc) fl_GetDC(0);
cyPerInch = GetDeviceCaps(fl_gc, LOGPIXELSY);
if (cyPerInch < 1) cyPerInch = 1;
EnumFontFamilies(fl_gc, s->name+1, (FONTENUMPROC)EnumSizeCb, 0);
sizep = sizes;
return nbSize;
}
//
// End of "$Id: fl_set_fonts_win32.cxx,v 1.5.2.5.2.7 2002/06/29 00:10:04 matthiaswm Exp $".
//
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