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//
// "$Id$"
//
// WIN32 font utilities for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2005 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 on the following page:
//
// http://www.fltk.org/str.php
//
// 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.
#include <Fl/fl_utf8.H>
// Bug: older versions calculated the value for *ap as a side effect of
// making the name, and then forgot about it. To avoid having to change
// the header files I decided to store this value in the last character
// of the font name array.
#define ENDOFBUFFER 127 // sizeof(Fl_Font.fontname)-1
// turn a stored font name into a pretty name:
const char* Fl::get_font_name(Fl_Font fnum, int* ap) {
Fl_Fontdesc *f = fl_fonts + fnum;
if (!f->fontname[0]) {
const char* p = f->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;
}
strlcpy(f->fontname, p+1, ENDOFBUFFER);
if (type & FL_BOLD) strlcat(f->fontname, " bold", ENDOFBUFFER);
if (type & FL_ITALIC) strlcat(f->fontname, " italic", ENDOFBUFFER);
f->fontname[ENDOFBUFFER] = (char)type;
}
if (ap) *ap = f->fontname[ENDOFBUFFER];
return f->fontname;
}
static int fl_free_font = FL_FREE_FONT;
static int CALLBACK
enumcbw(CONST LOGFONTW *lpelf,
CONST TEXTMETRICW * /*lpntm*/,
DWORD /*FontType*/,
LPARAM p) {
if (!p && lpelf->lfCharSet != ANSI_CHARSET) return 1;
char *n = NULL;
int l = wcslen(lpelf->lfFaceName);
unsigned dstlen = fl_utf8fromwc(n, 0, (xchar*)lpelf->lfFaceName, l) + 1; // measure the string
n = (char*) malloc(dstlen);
//n[fl_unicode2utf((xchar*)lpelf->lfFaceName, l, n)] = 0;
dstlen = fl_utf8fromwc(n, dstlen, (xchar*)lpelf->lfFaceName, l); // convert the string
n[dstlen] = 0;
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)) {free(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));
free(n);
return 1;
} /* enumcbw */
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);
EnumFontFamiliesW(fl_gc, NULL, (FONTENUMPROCW)enumcbw, xstarname != 0);
}
return (Fl_Font)fl_free_font;
}
static int nbSize;
static int cyPerInch;
static int sizes[128];
static int CALLBACK
EnumSizeCbW(CONST LOGFONTW * /*lpelf*/,
CONST TEXTMETRICW *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;
// int l = fl_utf_nb_char((unsigned char*)s->name+1, strlen(s->name+1));
// unsigned short *b = (unsigned short*) malloc((l + 1) * sizeof(short));
// fl_utf2unicode((unsigned char*)s->name+1, l, (xchar*)b);
const char *nm = (const char*)s->name+1;
int len = strlen(s->name+1);
int l = fl_utf8toUtf16(nm, len, NULL, 0); // Pass NULL to query length required
unsigned short *b = (unsigned short*) malloc((l + 1) * sizeof(short));
l = fl_utf8toUtf16(nm, len, b, (l+1)); // Now do the conversion
b[l] = 0;
EnumFontFamiliesW(fl_gc, (WCHAR*)b, (FONTENUMPROCW)EnumSizeCbW, 0);
free(b);
sizep = sizes;
return nbSize;
}
//
// End of "$Id$".
//
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