mirror
/
OpenTTD
mirror of https://github.com/OpenTTD/OpenTTD
1
0
Fork 0
Code Issues

(svn r17794) -Feature: [OSX] Implement automatic fallback font selection for OSX.

release/1.0
michi_cc 2009-10-17 22:36:43 +00:00
parent 144febd2d9
commit 94003b455c
4 changed files with 232 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
config.lib
View File

@ -2414,6 +2414,12 @@ detect_fontconfig() {
return 0
fi
if [ "$os" = "OSX" ]; then
log 1 "checking libfontconfig... OSX, skipping"
fontconfig_config=""
return 0
fi
if [ "$with_fontconfig" = "1" ] || [ "$with_fontconfig" = "" ] || [ "$with_fontconfig" = "2" ]; then
fontconfig_config="pkg-config fontconfig"
else

227
src/fontcache.cpp
View File

@ -328,7 +328,7 @@ static int CALLBACK EnumFontCallback(const ENUMLOGFONTEX *logfont, const NEWTEXT
return 0; // stop enumerating
}
bool SetFallbackFont(FreeTypeSettings *settings, const char *language_isocode, int winlangid)
bool SetFallbackFont(FreeTypeSettings *settings, const char *language_isocode, int winlangid, const char *str)
{
EFCParam langInfo;
if (GetLocaleInfo(MAKELCID(winlangid, SORT_DEFAULT), LOCALE_FONTSIGNATURE, (LPTSTR)&langInfo.locale, sizeof(langInfo.locale) / sizeof(TCHAR)) == 0) {
@ -350,6 +350,227 @@ bool SetFallbackFont(FreeTypeSettings *settings, const char *language_isocode, i
return ret == 0;
}
#elif defined(__APPLE__)
#include "os/macosx/macos.h"
#include <ApplicationServices/ApplicationServices.h>
FT_Error GetFontByFaceName(const char *font_name, FT_Face *face)
{
FT_Error err = FT_Err_Cannot_Open_Resource;
/* Get font reference from name. */
CFStringRef name = CFStringCreateWithCString(kCFAllocatorDefault, font_name, kCFStringEncodingUTF8);
ATSFontRef font = ATSFontFindFromName(name, kATSOptionFlagsDefault);
CFRelease(name);
if (font == kInvalidFont) return err;
/* Get a file system reference for the font. */
FSRef ref;
OSStatus os_err = -1;
#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5)
if (MacOSVersionIsAtLeast(10, 5, 0)) {
os_err = ATSFontGetFileReference(font, &ref);
} else
#endif
{
#if (MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5) && !__LP64__
/* This type was introduced with the 10.5 SDK. */
#if (MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_5)
#define ATSFSSpec FSSpec
#endif
FSSpec spec;
os_err = ATSFontGetFileSpecification(font, (ATSFSSpec *)&spec);
if (os_err == noErr) os_err = FSpMakeFSRef(&spec, &ref);
#endif
}
if (os_err == noErr) {
/* Get unix path for file. */
UInt8 file_path[PATH_MAX];
if (FSRefMakePath(&ref, file_path, sizeof(file_path)) == noErr) {
DEBUG(freetype, 3, "Font path for %s: %s", font_name, file_path);
err = FT_New_Face(_library, (const char *)file_path, 0, face);
}
}
return err;
}
bool SetFallbackFont(FreeTypeSettings *settings, const char *language_isocode, int winlangid, const char *str)
{
bool result = false;
#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5)
if (MacOSVersionIsAtLeast(10, 5, 0)) {
/* Determine fallback font using CoreText. This uses the language isocode
* to find a suitable font. CoreText is available from 10.5 onwards. */
char lang[16];
if (strcmp(language_isocode, "zh_TW") == 0) {
/* Traditional Chinese */
strecpy(lang, "zh-Hant", lastof(lang));
} else if (strcmp(language_isocode, "zh_CN") == 0) {
/* Simplified Chinese */
strecpy(lang, "zh-Hans", lastof(lang));
} else if (strncmp(language_isocode, "ur", 2) == 0) {
/* The urdu alphabet is variant of persian. As OS X has no default
* font that advertises an urdu language code, search for persian
* support instead. */
strecpy(lang, "fa", lastof(lang));
} else {
/* Just copy the first part of the isocode. */
strecpy(lang, language_isocode, lastof(lang));
char *sep = strchr(lang, '_');
if (sep != NULL) *sep = '\0';
}
CFStringRef lang_code;
lang_code = CFStringCreateWithCString(kCFAllocatorDefault, lang, kCFStringEncodingUTF8);
/* Create a font iterator and iterate over all fonts that
* are available to the application. */
ATSFontIterator itr;
ATSFontRef font;
ATSFontIteratorCreate(kATSFontContextLocal, NULL, NULL, kATSOptionFlagsUnRestrictedScope, &itr);
while (!result && ATSFontIteratorNext(itr, &font) == noErr) {
/* Get CoreText font handle. */
CTFontRef font_ref = CTFontCreateWithPlatformFont(font, 0.0, NULL, NULL);
CFArrayRef langs = CTFontCopySupportedLanguages(font_ref);
if (langs != NULL) {
/* Font has a list of supported languages. */
for (CFIndex i = 0; i < CFArrayGetCount(langs); i++) {
CFStringRef lang = (CFStringRef)CFArrayGetValueAtIndex(langs, i);
if (CFStringCompare(lang, lang_code, kCFCompareAnchored) == kCFCompareEqualTo) {
/* Lang code is supported by font, get full font name. */
CFStringRef font_name = CTFontCopyFullName(font_ref);
char name[128];
CFStringGetCString(font_name, name, lengthof(name), kCFStringEncodingUTF8);
CFRelease(font_name);
/* Skip some inappropriate or ugly looking fonts that have better alternatives. */
if (strncmp(name, "Courier", 7) == 0 || strncmp(name, "Apple Symbols", 13) == 0 ||
strncmp(name, ".Aqua", 5) == 0 || strncmp(name, "LastResort", 10) == 0 ||
strncmp(name, "GB18030 Bitmap", 14) == 0) continue;
/* Save result. */
strecpy(settings->small_font, name, lastof(settings->small_font));
strecpy(settings->medium_font, name, lastof(settings->medium_font));
strecpy(settings->large_font, name, lastof(settings->large_font));
DEBUG(freetype, 2, "CT-Font for %s: %s", language_isocode, name);
result = true;
break;
}
}
CFRelease(langs);
}
CFRelease(font_ref);
}
ATSFontIteratorRelease(&itr);
CFRelease(lang_code);
} else
#endif
{
#if (MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5) && !__LP64__
/* Determine fallback font using ATSUI. This uses a string sample with
* missing characters. This is not failure-proof, but a better way like
* using the isocode as in the CoreText code path is not available.
* ATSUI was deprecated with 10.6 and is only partially available in
* 64-bit mode. */
/* Extract a UniChar represenation of the sample string. */
CFStringRef cf_str = CFStringCreateWithCString(kCFAllocatorDefault, str, kCFStringEncodingUTF8);
if (cf_str == NULL) {
/* Something went wrong. Corrupt/invalid sample string? */
return false;
}
CFIndex str_len = CFStringGetLength(cf_str);
UniChar string[str_len];
CFStringGetCharacters(cf_str, CFRangeMake(0, str_len), string);
/* Create a default text style with the default font. */
ATSUStyle style;
ATSUCreateStyle(&style);
/* Create a text layout object from the sample string using the text style. */
UniCharCount run_len = kATSUToTextEnd;
ATSUTextLayout text_layout;
ATSUCreateTextLayoutWithTextPtr(string, kATSUFromTextBeginning, kATSUToTextEnd, str_len, 1, &run_len, &style, &text_layout);
/* Try to match a font for the sample text. ATSUMatchFontsToText stops after
* it finds the first continous character run not renderable with the currently
* selected font starting at offset. The matching needs to be repeated until
* the end of the string is reached to make sure the fallback font matches for
* all characters in the string and not only the first run. */
UniCharArrayOffset offset = kATSUFromTextBeginning;
OSStatus os_err;
do {
ATSUFontID font;
UniCharCount run_len;
os_err = ATSUMatchFontsToText(text_layout, offset, kATSUToTextEnd, &font, &offset, &run_len);
if (os_err == kATSUFontsMatched) {
/* Found a better fallback font. Update the text layout
* object with the new font. */
ATSUAttributeTag tag = kATSUFontTag;
ByteCount size = sizeof(font);
ATSUAttributeValuePtr val = &font;
ATSUSetAttributes(style, 1, &tag, &size, &val);
offset += run_len;
}
/* Exit if the end of the string is reached or some other error occured. */
} while (os_err == kATSUFontsMatched && offset < (UniCharArrayOffset)str_len);
if (os_err == noErr || os_err == kATSUFontsMatched) {
/* ATSUMatchFontsToText exited normally. Extract font
* out of the text layout object. */
ATSUFontID font;
ByteCount act_len;
ATSUGetAttribute(style, kATSUFontTag, sizeof(font), &font, &act_len);
/* Get unique font name. The result is not a c-string, we have
* to leave space for a \0 and terminate it ourselves. */
char name[128];
ATSUFindFontName(font, kFontUniqueName, kFontNoPlatformCode, kFontNoScriptCode, kFontNoLanguageCode, 127, name, &act_len, NULL);
name[act_len > 127 ? 127 : act_len] = '\0';
/* Save Result. */
strecpy(settings->small_font, name, lastof(settings->small_font));
strecpy(settings->medium_font, name, lastof(settings->medium_font));
strecpy(settings->large_font, name, lastof(settings->large_font));
DEBUG(freetype, 2, "ATSUI-Font for %s: %s", language_isocode, name);
result = true;
}
ATSUDisposeTextLayout(text_layout);
ATSUDisposeStyle(style);
CFRelease(cf_str);
#endif
}
if (result && strncmp(settings->medium_font, "Geeza Pro", 9) == 0) {
/* The font 'Geeza Pro' is often found for arabic characters, but
* it has the 'tiny' problem of not having any latin characters.
* 'Arial Unicode MS' on the other hand has arabic and latin glyphs,
* but seems to 'forget' to inform the OS about this fact. Manually
* substitute the latter for the former if it is loadable. */
bool ft_init = _library != NULL;
FT_Face face;
/* Init FreeType if needed. */
if ((ft_init || FT_Init_FreeType(&_library) == FT_Err_Ok) && GetFontByFaceName("Arial Unicode MS", &face) == FT_Err_Ok) {
FT_Done_Face(face);
strecpy(settings->small_font, "Arial Unicode MS", lastof(settings->small_font));
strecpy(settings->medium_font, "Arial Unicode MS", lastof(settings->medium_font));
strecpy(settings->large_font, "Arial Unicode MS", lastof(settings->large_font));
DEBUG(freetype, 1, "Replacing font 'Geeza Pro' with 'Arial Unicode MS'");
}
if (!ft_init) {
/* Uninit FreeType if we did the init. */
FT_Done_FreeType(_library);
_library = NULL;
}
}
return result;
}
#elif defined(WITH_FONTCONFIG)
static FT_Error GetFontByFaceName(const char *font_name, FT_Face *face)
{
@ -417,7 +638,7 @@ static FT_Error GetFontByFaceName(const char *font_name, FT_Face *face)
return err;
}
bool SetFallbackFont(FreeTypeSettings *settings, const char *language_isocode, int winlangid)
bool SetFallbackFont(FreeTypeSettings *settings, const char *language_isocode, int winlangid, const char *str)
{
if (!FcInit()) return false;
@ -483,7 +704,7 @@ error_pattern:
#else /* without WITH_FONTCONFIG */
FT_Error GetFontByFaceName(const char *font_name, FT_Face *face) {return FT_Err_Cannot_Open_Resource;}
bool SetFallbackFont(FreeTypeSettings *settings, const char *language_isocode, int winlangid) { return false; }
bool SetFallbackFont(FreeTypeSettings *settings, const char *language_isocode, int winlangid, const char *str) { return false; }
#endif /* WITH_FONTCONFIG */
/**

2
src/fontcache.h
View File

@ -56,7 +56,7 @@ uint GetGlyphWidth(FontSize size, uint32 key);
* @param winlangid the language ID windows style.
* @return true if a font has been set, false otherwise.
*/
bool SetFallbackFont(FreeTypeSettings *settings, const char *language_isocode, int winlangid);
bool SetFallbackFont(FreeTypeSettings *settings, const char *language_isocode, int winlangid, const char *str);
#else

2
src/strings.cpp
View File

@ -1544,7 +1544,7 @@ void CheckForMissingGlyphsInLoadedLanguagePack()
FreeTypeSettings backup;
memcpy(&backup, &_freetype, sizeof(backup));
bool success = SetFallbackFont(&_freetype, _langpack->isocode, _langpack->winlangid);
bool success = SetFallbackFont(&_freetype, _langpack->isocode, _langpack->winlangid, string);
if (success) {
UninitFreeType();
InitFreeType();