mirror of https://github.com/OpenTTD/OpenTTD.git
Codechange: [OSX] Move OSX-specific font code to a separate file.
This commit is contained in:
Michael Lutz
parent
c6af8f16f6
commit
f2294851e6
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@ -24,126 +24,7 @@ extern FT_Library _library;
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* If no appropriate font is found, the function returns an error
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*/
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#if defined(__APPLE__)
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/* ========================================================================================
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* OSX support
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* ======================================================================================== */
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#include "os/macosx/macos.h"
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#include "safeguards.h"
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FT_Error GetFontByFaceName(const char *font_name, FT_Face *face)
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{
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FT_Error err = FT_Err_Cannot_Open_Resource;
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/* Get font reference from name. */
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UInt8 file_path[PATH_MAX];
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OSStatus os_err = -1;
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CFAutoRelease<CFStringRef> name(CFStringCreateWithCString(kCFAllocatorDefault, font_name, kCFStringEncodingUTF8));
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/* Simply creating the font using CTFontCreateWithNameAndSize will *always* return
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* something, no matter the name. As such, we can't use it to check for existence.
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* We instead query the list of all font descriptors that match the given name which
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* does not do this stupid name fallback. */
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CFAutoRelease<CTFontDescriptorRef> name_desc(CTFontDescriptorCreateWithNameAndSize(name.get(), 0.0));
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CFAutoRelease<CFSetRef> mandatory_attribs(CFSetCreate(kCFAllocatorDefault, const_cast<const void **>(reinterpret_cast<const void * const *>(&kCTFontNameAttribute)), 1, &kCFTypeSetCallBacks));
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CFAutoRelease<CFArrayRef> descs(CTFontDescriptorCreateMatchingFontDescriptors(name_desc.get(), mandatory_attribs.get()));
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/* Loop over all matches until we can get a path for one of them. */
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for (CFIndex i = 0; descs.get() != nullptr && i < CFArrayGetCount(descs.get()) && os_err != noErr; i++) {
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CFAutoRelease<CTFontRef> font(CTFontCreateWithFontDescriptor((CTFontDescriptorRef)CFArrayGetValueAtIndex(descs.get(), i), 0.0, nullptr));
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CFAutoRelease<CFURLRef> fontURL((CFURLRef)CTFontCopyAttribute(font.get(), kCTFontURLAttribute));
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if (CFURLGetFileSystemRepresentation(fontURL.get(), true, file_path, lengthof(file_path))) os_err = noErr;
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}
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if (os_err == noErr) {
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DEBUG(freetype, 3, "Font path for %s: %s", font_name, file_path);
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err = FT_New_Face(_library, (const char *)file_path, 0, face);
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}
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return err;
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}
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bool SetFallbackFont(FreeTypeSettings *settings, const char *language_isocode, int winlangid, MissingGlyphSearcher *callback)
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{
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/* Determine fallback font using CoreText. This uses the language isocode
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* to find a suitable font. CoreText is available from 10.5 onwards. */
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char lang[16];
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if (strcmp(language_isocode, "zh_TW") == 0) {
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/* Traditional Chinese */
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strecpy(lang, "zh-Hant", lastof(lang));
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} else if (strcmp(language_isocode, "zh_CN") == 0) {
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/* Simplified Chinese */
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strecpy(lang, "zh-Hans", lastof(lang));
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} else {
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/* Just copy the first part of the isocode. */
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strecpy(lang, language_isocode, lastof(lang));
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char *sep = strchr(lang, '_');
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if (sep != nullptr) *sep = '\0';
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}
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/* Create a font descriptor matching the wanted language and latin (english) glyphs.
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* Can't use CFAutoRelease here for everything due to the way the dictionary has to be created. */
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CFStringRef lang_codes[2];
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lang_codes[0] = CFStringCreateWithCString(kCFAllocatorDefault, lang, kCFStringEncodingUTF8);
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lang_codes[1] = CFSTR("en");
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CFArrayRef lang_arr = CFArrayCreate(kCFAllocatorDefault, (const void **)lang_codes, lengthof(lang_codes), &kCFTypeArrayCallBacks);
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CFAutoRelease<CFDictionaryRef> lang_attribs(CFDictionaryCreate(kCFAllocatorDefault, const_cast<const void **>(reinterpret_cast<const void * const *>(&kCTFontLanguagesAttribute)), (const void **)&lang_arr, 1, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks));
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CFAutoRelease<CTFontDescriptorRef> lang_desc(CTFontDescriptorCreateWithAttributes(lang_attribs.get()));
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CFRelease(lang_arr);
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CFRelease(lang_codes[0]);
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/* Get array of all font descriptors for the wanted language. */
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CFAutoRelease<CFSetRef> mandatory_attribs(CFSetCreate(kCFAllocatorDefault, const_cast<const void **>(reinterpret_cast<const void * const *>(&kCTFontLanguagesAttribute)), 1, &kCFTypeSetCallBacks));
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CFAutoRelease<CFArrayRef> descs(CTFontDescriptorCreateMatchingFontDescriptors(lang_desc.get(), mandatory_attribs.get()));
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bool result = false;
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for (CFIndex i = 0; descs.get() != nullptr && i < CFArrayGetCount(descs.get()); i++) {
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CTFontDescriptorRef font = (CTFontDescriptorRef)CFArrayGetValueAtIndex(descs.get(), i);
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/* Get font traits. */
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CFAutoRelease<CFDictionaryRef> traits((CFDictionaryRef)CTFontDescriptorCopyAttribute(font, kCTFontTraitsAttribute));
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CTFontSymbolicTraits symbolic_traits;
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CFNumberGetValue((CFNumberRef)CFDictionaryGetValue(traits.get(), kCTFontSymbolicTrait), kCFNumberIntType, &symbolic_traits);
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/* Skip symbol fonts and vertical fonts. */
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if ((symbolic_traits & kCTFontClassMaskTrait) == (CTFontStylisticClass)kCTFontSymbolicClass || (symbolic_traits & kCTFontVerticalTrait)) continue;
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/* Skip bold fonts (especially Arial Bold, which looks worse than regular Arial). */
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if (symbolic_traits & kCTFontBoldTrait) continue;
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/* Select monospaced fonts if asked for. */
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if (((symbolic_traits & kCTFontMonoSpaceTrait) == kCTFontMonoSpaceTrait) != callback->Monospace()) continue;
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/* Get font name. */
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char name[128];
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CFAutoRelease<CFStringRef> font_name((CFStringRef)CTFontDescriptorCopyAttribute(font, kCTFontDisplayNameAttribute));
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CFStringGetCString(font_name.get(), name, lengthof(name), kCFStringEncodingUTF8);
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/* There are some special fonts starting with an '.' and the last
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* resort font that aren't usable. Skip them. */
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if (name[0] == '.' || strncmp(name, "LastResort", 10) == 0) continue;
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/* Save result. */
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callback->SetFontNames(settings, name);
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if (!callback->FindMissingGlyphs()) {
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DEBUG(freetype, 2, "CT-Font for %s: %s", language_isocode, name);
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result = true;
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break;
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}
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}
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if (!result) {
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/* For some OS versions, the font 'Arial Unicode MS' does not report all languages it
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* supports. If we didn't find any other font, just try it, maybe we get lucky. */
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callback->SetFontNames(settings, "Arial Unicode MS");
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result = !callback->FindMissingGlyphs();
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}
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callback->FindMissingGlyphs();
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return result;
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}
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#elif defined(WITH_FONTCONFIG) /* end ifdef __APPLE__ */
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#if defined(WITH_FONTCONFIG) /* end ifdef __APPLE__ */
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#include <fontconfig/fontconfig.h>
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@ -1,5 +1,6 @@
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add_files(
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crashlog_osx.cpp
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font_osx.cpp
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macos.h
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macos.mm
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osx_stdafx.h
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@ -0,0 +1,138 @@
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/*
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* This file is part of OpenTTD.
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* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
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* OpenTTD 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.
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* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file font_osx.cpp Functions related to font handling on MacOS. */
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#include "../../stdafx.h"
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#include "../../debug.h"
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#include "../../fontdetection.h"
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#include "../../string_func.h"
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#include "../../strings_func.h"
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#include "macos.h"
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#include "safeguards.h"
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#ifdef WITH_FREETYPE
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#include <ft2build.h>
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#include FT_FREETYPE_H
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extern FT_Library _library;
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FT_Error GetFontByFaceName(const char *font_name, FT_Face *face)
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{
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FT_Error err = FT_Err_Cannot_Open_Resource;
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/* Get font reference from name. */
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UInt8 file_path[PATH_MAX];
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OSStatus os_err = -1;
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CFAutoRelease<CFStringRef> name(CFStringCreateWithCString(kCFAllocatorDefault, font_name, kCFStringEncodingUTF8));
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/* Simply creating the font using CTFontCreateWithNameAndSize will *always* return
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* something, no matter the name. As such, we can't use it to check for existence.
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* We instead query the list of all font descriptors that match the given name which
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* does not do this stupid name fallback. */
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CFAutoRelease<CTFontDescriptorRef> name_desc(CTFontDescriptorCreateWithNameAndSize(name.get(), 0.0));
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CFAutoRelease<CFSetRef> mandatory_attribs(CFSetCreate(kCFAllocatorDefault, const_cast<const void **>(reinterpret_cast<const void *const *>(&kCTFontNameAttribute)), 1, &kCFTypeSetCallBacks));
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CFAutoRelease<CFArrayRef> descs(CTFontDescriptorCreateMatchingFontDescriptors(name_desc.get(), mandatory_attribs.get()));
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/* Loop over all matches until we can get a path for one of them. */
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for (CFIndex i = 0; descs.get() != nullptr && i < CFArrayGetCount(descs.get()) && os_err != noErr; i++) {
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CFAutoRelease<CTFontRef> font(CTFontCreateWithFontDescriptor((CTFontDescriptorRef)CFArrayGetValueAtIndex(descs.get(), i), 0.0, nullptr));
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CFAutoRelease<CFURLRef> fontURL((CFURLRef)CTFontCopyAttribute(font.get(), kCTFontURLAttribute));
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if (CFURLGetFileSystemRepresentation(fontURL.get(), true, file_path, lengthof(file_path))) os_err = noErr;
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}
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if (os_err == noErr) {
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DEBUG(freetype, 3, "Font path for %s: %s", font_name, file_path);
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err = FT_New_Face(_library, (const char *)file_path, 0, face);
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}
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return err;
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}
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#endif /* WITH_FREETYPE */
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bool SetFallbackFont(FreeTypeSettings *settings, const char *language_isocode, int winlangid, MissingGlyphSearcher *callback)
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{
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/* Determine fallback font using CoreText. This uses the language isocode
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* to find a suitable font. CoreText is available from 10.5 onwards. */
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char lang[16];
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if (strcmp(language_isocode, "zh_TW") == 0) {
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/* Traditional Chinese */
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strecpy(lang, "zh-Hant", lastof(lang));
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} else if (strcmp(language_isocode, "zh_CN") == 0) {
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/* Simplified Chinese */
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strecpy(lang, "zh-Hans", lastof(lang));
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} else {
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/* Just copy the first part of the isocode. */
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strecpy(lang, language_isocode, lastof(lang));
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char *sep = strchr(lang, '_');
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if (sep != nullptr) *sep = '\0';
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}
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/* Create a font descriptor matching the wanted language and latin (english) glyphs.
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* Can't use CFAutoRelease here for everything due to the way the dictionary has to be created. */
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CFStringRef lang_codes[2];
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lang_codes[0] = CFStringCreateWithCString(kCFAllocatorDefault, lang, kCFStringEncodingUTF8);
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lang_codes[1] = CFSTR("en");
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CFArrayRef lang_arr = CFArrayCreate(kCFAllocatorDefault, (const void **)lang_codes, lengthof(lang_codes), &kCFTypeArrayCallBacks);
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CFAutoRelease<CFDictionaryRef> lang_attribs(CFDictionaryCreate(kCFAllocatorDefault, const_cast<const void **>(reinterpret_cast<const void *const *>(&kCTFontLanguagesAttribute)), (const void **)&lang_arr, 1, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks));
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CFAutoRelease<CTFontDescriptorRef> lang_desc(CTFontDescriptorCreateWithAttributes(lang_attribs.get()));
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CFRelease(lang_arr);
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CFRelease(lang_codes[0]);
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/* Get array of all font descriptors for the wanted language. */
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CFAutoRelease<CFSetRef> mandatory_attribs(CFSetCreate(kCFAllocatorDefault, const_cast<const void **>(reinterpret_cast<const void *const *>(&kCTFontLanguagesAttribute)), 1, &kCFTypeSetCallBacks));
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CFAutoRelease<CFArrayRef> descs(CTFontDescriptorCreateMatchingFontDescriptors(lang_desc.get(), mandatory_attribs.get()));
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bool result = false;
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for (CFIndex i = 0; descs.get() != nullptr && i < CFArrayGetCount(descs.get()); i++) {
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CTFontDescriptorRef font = (CTFontDescriptorRef)CFArrayGetValueAtIndex(descs.get(), i);
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/* Get font traits. */
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CFAutoRelease<CFDictionaryRef> traits((CFDictionaryRef)CTFontDescriptorCopyAttribute(font, kCTFontTraitsAttribute));
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CTFontSymbolicTraits symbolic_traits;
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CFNumberGetValue((CFNumberRef)CFDictionaryGetValue(traits.get(), kCTFontSymbolicTrait), kCFNumberIntType, &symbolic_traits);
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/* Skip symbol fonts and vertical fonts. */
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if ((symbolic_traits & kCTFontClassMaskTrait) == (CTFontStylisticClass)kCTFontSymbolicClass || (symbolic_traits & kCTFontVerticalTrait)) continue;
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/* Skip bold fonts (especially Arial Bold, which looks worse than regular Arial). */
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if (symbolic_traits & kCTFontBoldTrait) continue;
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/* Select monospaced fonts if asked for. */
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if (((symbolic_traits & kCTFontMonoSpaceTrait) == kCTFontMonoSpaceTrait) != callback->Monospace()) continue;
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/* Get font name. */
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char name[128];
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CFAutoRelease<CFStringRef> font_name((CFStringRef)CTFontDescriptorCopyAttribute(font, kCTFontDisplayNameAttribute));
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CFStringGetCString(font_name.get(), name, lengthof(name), kCFStringEncodingUTF8);
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/* There are some special fonts starting with an '.' and the last
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* resort font that aren't usable. Skip them. */
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if (name[0] == '.' || strncmp(name, "LastResort", 10) == 0) continue;
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/* Save result. */
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callback->SetFontNames(settings, name);
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if (!callback->FindMissingGlyphs()) {
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DEBUG(freetype, 2, "CT-Font for %s: %s", language_isocode, name);
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result = true;
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break;
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}
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}
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if (!result) {
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/* For some OS versions, the font 'Arial Unicode MS' does not report all languages it
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* supports. If we didn't find any other font, just try it, maybe we get lucky. */
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callback->SetFontNames(settings, "Arial Unicode MS");
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result = !callback->FindMissingGlyphs();
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}
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callback->FindMissingGlyphs();
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return result;
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}
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