ref: 9eaba52cafcac7c2f3bfc72d7be1f15893196be1
dir: /DoConfig/fltk/src/fl_set_fonts_mac.cxx/
//
// "$Id$"
//
// MacOS font utilities for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2015 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
// file is missing or damaged, see the license at:
//
// http://www.fltk.org/COPYING.php
//
// Please report all bugs and problems on the following page:
//
// http://www.fltk.org/str.php
//
#include <config.h>
// #inclde <SFNTTypes.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 sizeof(fl_fonts->fontname)-1
// turn a stored font name into a pretty name:
const char* Fl::get_font_name(Fl_Font fnum, int* ap) {
if (!fl_fonts) fl_fonts = Fl_X::calc_fl_fonts();
Fl_Fontdesc *f = fl_fonts + fnum;
if (!f->fontname[0]) {
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
if (fl_mac_os_version >= Fl_X::CoreText_threshold) {
CFStringRef cfname = CFStringCreateWithCString(NULL, f->name, kCFStringEncodingUTF8);
CTFontRef ctfont = CTFontCreateWithName(cfname, 0, NULL);
CFRelease(cfname);
cfname = CTFontCopyFullName(ctfont);
CFRelease(ctfont);
CFStringGetCString(cfname, f->fontname, ENDOFBUFFER, kCFStringEncodingUTF8);
CFRelease(cfname);
}
else
#endif
strlcpy(f->fontname, f->name, ENDOFBUFFER);
const char* p = f->name;
if (!p || !*p) {if (ap) *ap = 0; return "";}
int type = 0;
if (strstr(f->name, "Bold")) type |= FL_BOLD;
if (strstr(f->name, "Italic") || strstr(f->name, "Oblique")) type |= FL_ITALIC;
f->fontname[ENDOFBUFFER] = (char)type;
}
if (ap) *ap = f->fontname[ENDOFBUFFER];
return f->fontname;
}
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
static char *skip(char *p, int& derived)
{
if (memcmp(p, "-BoldItalic", 11) == 0) { p += 11; derived = 3; }
else if (memcmp(p, "-BoldOblique", 12) == 0) { p += 12; derived = 3; }
else if (memcmp(p, "-Bold", 5) == 0) {p += 5; derived = 1; }
else if (memcmp(p, "-Italic", 7) == 0) {p += 7; derived = 2; }
else if (memcmp(p, "-Oblique", 8) == 0) {p += 8; derived = 2; }
else if (memcmp(p, "-Regular", 8) == 0) {p += 8; }
else if (memcmp(p, "-Roman", 6) == 0) {p += 6; }
return p;
}
static int name_compare(const void *a, const void *b)
{
/* Compare PostScript font names.
First compare font family names ignoring bold, italic and oblique qualifiers.
When families are identical, order them according to regular, bold, italic, bolditalic.
*/
char *n1 = *(char**)a;
char *n2 = *(char**)b;
int derived1 = 0;
int derived2 = 0;
while (true) {
if (*n1 == '-') n1 = skip(n1, derived1);
if (*n2 == '-') n2 = skip(n2, derived2);
if (*n1 < *n2) return -1;
if (*n1 > *n2) return +1;
if (*n1 == 0) {
return derived1 - derived2;
}
n1++; n2++;
}
}
#endif
static int fl_free_font = FL_FREE_FONT;
// 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.
Fl_Font Fl::set_fonts(const char* xstarname) {
#pragma unused ( xstarname )
if (fl_free_font > FL_FREE_FONT) return (Fl_Font)fl_free_font; // if already called
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
if(fl_mac_os_version >= Fl_X::CoreText_threshold) {
int value[1] = {1};
CFDictionaryRef dict = CFDictionaryCreate(NULL,
(const void **)kCTFontCollectionRemoveDuplicatesOption,
(const void **)&value, 1, NULL, NULL);
CTFontCollectionRef fcref = CTFontCollectionCreateFromAvailableFonts(dict);
CFRelease(dict);
CFArrayRef arrayref = CTFontCollectionCreateMatchingFontDescriptors(fcref);
CFRelease(fcref);
CFIndex count = CFArrayGetCount(arrayref);
CFIndex i;
char **tabfontnames = new char*[count];
for (i = 0; i < count; i++) {
CTFontDescriptorRef fdesc = (CTFontDescriptorRef)CFArrayGetValueAtIndex(arrayref, i);
CTFontRef font = CTFontCreateWithFontDescriptor(fdesc, 0., NULL);
CFStringRef cfname = CTFontCopyPostScriptName(font);
CFRelease(font);
static char fname[200];
CFStringGetCString(cfname, fname, sizeof(fname), kCFStringEncodingUTF8);
tabfontnames[i] = strdup(fname); // never free'ed
CFRelease(cfname);
}
CFRelease(arrayref);
qsort(tabfontnames, count, sizeof(char*), name_compare);
for (i = 0; i < count; i++) {
Fl::set_font((Fl_Font)(fl_free_font++), tabfontnames[i]);
}
delete[] tabfontnames;
return (Fl_Font)fl_free_font;
}
else {
#endif
#if (!defined(__LP64__) || !__LP64__) && MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_11
ItemCount oFontCount, oCountAgain;
ATSUFontID *oFontIDs;
// How many fonts?
ATSUFontCount (&oFontCount);
// now allocate space for them...
oFontIDs = (ATSUFontID *)malloc((oFontCount+1) * sizeof(ATSUFontID));
ATSUGetFontIDs (oFontIDs, oFontCount, &oCountAgain);
// Now oFontIDs should contain a list of all the available Unicode fonts
// Iterate through the list to get each font name
for (ItemCount idx = 0; idx < oFontCount; idx++)
{
// ByteCount actualLength = 0;
// Ptr oName;
// How to get the name - Apples docs say call this twice, once to get the length, then again
// to get the actual name...
// ATSUFindFontName (oFontIDs[idx], kFontFullName, kFontMacintoshPlatform, kFontRomanScript, kFontEnglishLanguage,
// 0, NULL, &actualLength, NULL);
// Now actualLength tells us the length of buffer we need
// oName = (Ptr)malloc(actualLength + 8);
// But who's got time for that nonsense? Let's just hard code a fixed buffer (urgh!)
ByteCount actualLength = 511;
char oName[512];
ATSUFindFontName (oFontIDs[idx], kFontFullName, kFontMacintoshPlatform, kFontRomanScript, kFontEnglishLanguage,
actualLength, oName, &actualLength, &oCountAgain);
// bounds check and terminate the returned name
if(actualLength > 511)
oName[511] = 0;
else
oName[actualLength] = 0;
Fl::set_font((Fl_Font)(fl_free_font++), strdup(oName));
// free(oName);
}
free(oFontIDs);
return (Fl_Font)fl_free_font;
#endif //__LP64__
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
}
#endif
return 0;
}
static int array[128];
int Fl::get_font_sizes(Fl_Font fnum, int*& sizep) {
if (!fl_fonts) fl_fonts = Fl_X::calc_fl_fonts();
Fl_Fontdesc *s = fl_fonts+fnum;
if (!s->name) s = fl_fonts; // empty slot in table, use entry 0
int cnt = 0;
// ATS supports all font size
array[0] = 0;
sizep = array;
cnt = 1;
return cnt;
}
//
// End of "$Id$".
//