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/****************************************************************************\
Part of the XeTeX typesetting system
Copyright (c) 1994-2008 by SIL International
Copyright (c) 2009 by Jonathan Kew
Copyright (c) 2012, 2013 by Jiang Jiang
SIL Author(s): Jonathan Kew
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE
FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Except as contained in this notice, the name of the copyright holders
shall not be used in advertising or otherwise to promote the sale,
use or other dealings in this Software without prior written
authorization from the copyright holders.
\****************************************************************************/
#ifdef __cplusplus
extern "C" {
#endif
#include <w2c/config.h>
#ifdef __cplusplus
}
#endif
#include "XeTeXFontMgr_Mac.h"
#include <Cocoa/Cocoa.h>
CTFontDescriptorRef findFontWithName(CFStringRef name, CFStringRef key)
{
CFStringRef keys[] = { key };
CFTypeRef values[] = { name };
CFDictionaryRef attributes = CFDictionaryCreate(NULL, (const void **) &keys, (const void **) &values, 1,
&kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
CTFontDescriptorRef descriptor = CTFontDescriptorCreateWithAttributes(attributes);
CFRelease(attributes);
CFSetRef mandatoryAttributes = CFSetCreate(NULL, (const void **) &keys, 1, &kCFTypeSetCallBacks);
CFArrayRef matches = CTFontDescriptorCreateMatchingFontDescriptors(descriptor, mandatoryAttributes);
CFRelease(mandatoryAttributes);
CFRelease(descriptor);
CTFontDescriptorRef matched = NULL;
if (matches) {
if (CFArrayGetCount(matches)) {
matched = (CTFontDescriptorRef) CFArrayGetValueAtIndex(matches, 0);
CFRetain(matched);
}
CFRelease(matches);
}
return matched;
}
void
XeTeXFontMgr_Mac::appendNameToList(CTFontRef font,
std::list<std::string>* nameList,
CFStringRef nameKey)
{
CFStringRef name = CTFontCopyName(font, nameKey);
if (name) {
appendToList(nameList, [(NSString *) name UTF8String]);
CFRelease(name);
}
CFStringRef language;
name = CTFontCopyLocalizedName(font, nameKey, &language);
if (name) {
appendToList(nameList, [(NSString *) name UTF8String]);
CFRelease(name);
}
}
XeTeXFontMgr::NameCollection*
XeTeXFontMgr_Mac::readNames(CTFontDescriptorRef fontRef)
{
NameCollection* names = new NameCollection;
CFStringRef psName = (CFStringRef) CTFontDescriptorCopyAttribute(fontRef, kCTFontNameAttribute);
if (!psName)
return names;
NSAutoreleasePool *pool = [NSAutoreleasePool new];
names->m_psName = [(NSString *) psName UTF8String];
CFRelease(psName);
CTFontRef font = CTFontCreateWithFontDescriptor(fontRef, 0.0, 0);
appendNameToList(font, &names->m_fullNames, kCTFontFullNameKey);
appendNameToList(font, &names->m_familyNames, kCTFontFamilyNameKey);
appendNameToList(font, &names->m_styleNames, kCTFontStyleNameKey);
CFRelease(font);
[pool release];
return names;
}
void
XeTeXFontMgr_Mac::addFontsToCaches(CFArrayRef fonts)
{
NSEnumerator* enumerator = [(NSArray*)fonts objectEnumerator];
while (id aFont = [enumerator nextObject]) {
CTFontDescriptorRef fontRef = findFontWithName((CFStringRef)[aFont objectAtIndex: 0], kCTFontNameAttribute);
NameCollection* names = readNames(fontRef);
addToMaps(fontRef, names);
delete names;
}
}
void
XeTeXFontMgr_Mac::addFamilyToCaches(CTFontDescriptorRef familyRef)
{
CFStringRef nameStr = (CFStringRef) CTFontDescriptorCopyAttribute(familyRef, kCTFontFamilyNameAttribute);
if (nameStr) {
NSArray* members = [[NSFontManager sharedFontManager]
availableMembersOfFontFamily: (NSString*)nameStr];
CFRelease(nameStr);
addFontsToCaches((CFArrayRef)members);
}
}
void
XeTeXFontMgr_Mac::addFontAndSiblingsToCaches(CTFontDescriptorRef fontRef)
{
CFStringRef name = (CFStringRef) CTFontDescriptorCopyAttribute(fontRef, kCTFontNameAttribute);
if (name) {
NSFont* font = [NSFont fontWithName:(NSString*)name size:10.0];
CFRelease(name);
NSArray* members = [[NSFontManager sharedFontManager]
availableMembersOfFontFamily: [font familyName]];
addFontsToCaches((CFArrayRef)members);
}
}
void
XeTeXFontMgr_Mac::searchForHostPlatformFonts(const std::string& name)
{
// the name might be:
// FullName
// Family-Style (if there's a hyphen)
// PSName
// Family
// ...so we need to try it as each of these
CFStringRef nameStr = CFStringCreateWithCString(kCFAllocatorDefault, name.c_str(), kCFStringEncodingUTF8);
CTFontDescriptorRef matched = findFontWithName(nameStr, kCTFontDisplayNameAttribute);
if (matched) {
// found it, so locate the family, and add all members to the caches
addFontAndSiblingsToCaches(matched);
CFRelease(matched);
return;
}
int hyph = name.find('-');
if (hyph > 0 && hyph < name.length() - 1) {
std::string family(name.begin(), name.begin() + hyph);
CFStringRef familyStr = CFStringCreateWithCString(kCFAllocatorDefault, family.c_str(), kCFStringEncodingUTF8);
NSArray* familyMembers = [[NSFontManager sharedFontManager]
availableMembersOfFontFamily: (NSString*)familyStr];
if ([familyMembers count] > 0) {
addFontsToCaches((CFArrayRef)familyMembers);
return;
}
matched = findFontWithName(familyStr, kCTFontFamilyNameAttribute);
if (matched) {
addFamilyToCaches(matched);
CFRelease(matched);
return;
}
}
matched = findFontWithName(nameStr, kCTFontNameAttribute);
if (matched) {
addFontAndSiblingsToCaches(matched);
CFRelease(matched);
return;
}
NSArray* familyMembers = [[NSFontManager sharedFontManager]
availableMembersOfFontFamily: (NSString*)nameStr];
if ([familyMembers count] > 0) {
addFontsToCaches((CFArrayRef)familyMembers);
return;
}
matched = findFontWithName(nameStr, kCTFontFamilyNameAttribute);
if (matched) {
addFamilyToCaches(matched);
CFRelease(matched);
return;
}
}
NSAutoreleasePool* pool = NULL;
void
XeTeXFontMgr_Mac::initialize()
{
pool = [[NSAutoreleasePool alloc] init];
}
void
XeTeXFontMgr_Mac::terminate()
{
if (pool != NULL) {
[pool release];
}
}
std::string
XeTeXFontMgr_Mac::getPlatformFontDesc(PlatformFontRef descriptor) const
{
std::string path;
CTFontRef ctFont = CTFontCreateWithFontDescriptor(descriptor, 0.0, 0);
if (ctFont) {
CFURLRef url = NULL;
#if !defined(MAC_OS_X_VERSION_10_6) || MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_6
/* kCTFontURLAttribute was not avialable before 10.6 */
FSRef fsref;
ATSFontRef atsFont = CTFontGetPlatformFont(ctFont, NULL);
OSStatus status = ATSFontGetFileReference(atsFont, &fsref);
if (status == noErr)
url = CFURLCreateFromFSRef(NULL, &fsref);
#else
url = (CFURLRef) CTFontCopyAttribute(ctFont, kCTFontURLAttribute);
#endif
if (url) {
UInt8 posixPath[PATH_MAX];
if (CFURLGetFileSystemRepresentation(url, true, posixPath, PATH_MAX)) {
path = (char*)posixPath;
}
CFRelease(url);
}
CFRelease(ctFont);
}
if (path.length() == 0)
path = "[unknown]";
return path;
}
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