diff options
Diffstat (limited to 'platform/ios')
| -rw-r--r-- | platform/ios/os_ios.h | 7 | ||||
| -rw-r--r-- | platform/ios/os_ios.mm | 140 |
2 files changed, 142 insertions, 5 deletions
diff --git a/platform/ios/os_ios.h b/platform/ios/os_ios.h index 3560de7486..186efd14a8 100644 --- a/platform/ios/os_ios.h +++ b/platform/ios/os_ios.h @@ -73,6 +73,10 @@ private: bool is_focused = false; + CGFloat _weight_to_ct(int p_weight) const; + CGFloat _stretch_to_ct(int p_stretch) const; + String _get_default_fontname(const String &p_font_name) const; + void deinitialize_modules(); public: @@ -90,7 +94,8 @@ public: virtual void alert(const String &p_alert, const String &p_title = "ALERT!") override; virtual Vector<String> get_system_fonts() const override; - virtual String get_system_font_path(const String &p_font_name, bool p_bold = false, bool p_italic = false) const override; + virtual Vector<String> get_system_font_path_for_text(const String &p_font_name, const String &p_text, const String &p_locale = String(), const String &p_script = String(), int p_weight = 400, int p_stretch = 100, bool p_italic = false) const override; + virtual String get_system_font_path(const String &p_font_name, int p_weight = 400, int p_stretch = 100, bool p_italic = false) const override; virtual Error open_dynamic_library(const String p_path, void *&p_library_handle, bool p_also_set_library_path = false, String *r_resolved_path = nullptr) override; virtual Error close_dynamic_library(void *p_library_handle) override; diff --git a/platform/ios/os_ios.mm b/platform/ios/os_ios.mm index 9a8cfc2593..9617627b6f 100644 --- a/platform/ios/os_ios.mm +++ b/platform/ios/os_ios.mm @@ -334,9 +334,7 @@ Vector<String> OS_IOS::get_system_fonts() const { return ret; } -String OS_IOS::get_system_font_path(const String &p_font_name, bool p_bold, bool p_italic) const { - String ret; - +String OS_IOS::_get_default_fontname(const String &p_font_name) const { String font_name = p_font_name; if (font_name.to_lower() == "sans-serif") { font_name = "Helvetica"; @@ -349,21 +347,153 @@ String OS_IOS::get_system_font_path(const String &p_font_name, bool p_bold, bool } else if (font_name.to_lower() == "cursive") { font_name = "Apple Chancery"; }; + return font_name; +} + +CGFloat OS_IOS::_weight_to_ct(int p_weight) const { + if (p_weight < 150) { + return -0.80; + } else if (p_weight < 250) { + return -0.60; + } else if (p_weight < 350) { + return -0.40; + } else if (p_weight < 450) { + return 0.0; + } else if (p_weight < 550) { + return 0.23; + } else if (p_weight < 650) { + return 0.30; + } else if (p_weight < 750) { + return 0.40; + } else if (p_weight < 850) { + return 0.56; + } else if (p_weight < 925) { + return 0.62; + } else { + return 1.00; + } +} + +CGFloat OS_IOS::_stretch_to_ct(int p_stretch) const { + if (p_stretch < 56) { + return -0.5; + } else if (p_stretch < 69) { + return -0.37; + } else if (p_stretch < 81) { + return -0.25; + } else if (p_stretch < 93) { + return -0.13; + } else if (p_stretch < 106) { + return 0.0; + } else if (p_stretch < 137) { + return 0.13; + } else if (p_stretch < 144) { + return 0.25; + } else if (p_stretch < 162) { + return 0.37; + } else { + return 0.5; + } +} + +Vector<String> OS_IOS::get_system_font_path_for_text(const String &p_font_name, const String &p_text, const String &p_locale, const String &p_script, int p_weight, int p_stretch, bool p_italic) const { + Vector<String> ret; + String font_name = _get_default_fontname(p_font_name); + + CFStringRef name = CFStringCreateWithCString(kCFAllocatorDefault, font_name.utf8().get_data(), kCFStringEncodingUTF8); + CTFontSymbolicTraits traits = 0; + if (p_weight >= 700) { + traits |= kCTFontBoldTrait; + } + if (p_italic) { + traits |= kCTFontItalicTrait; + } + if (p_stretch < 100) { + traits |= kCTFontCondensedTrait; + } else if (p_stretch > 100) { + traits |= kCTFontExpandedTrait; + } + + CFNumberRef sym_traits = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &traits); + CFMutableDictionaryRef traits_dict = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, nullptr, nullptr); + CFDictionaryAddValue(traits_dict, kCTFontSymbolicTrait, sym_traits); + + CGFloat weight = _weight_to_ct(p_weight); + CFNumberRef font_weight = CFNumberCreate(kCFAllocatorDefault, kCFNumberCGFloatType, &weight); + CFDictionaryAddValue(traits_dict, kCTFontWeightTrait, font_weight); + + CGFloat stretch = _stretch_to_ct(p_stretch); + CFNumberRef font_stretch = CFNumberCreate(kCFAllocatorDefault, kCFNumberCGFloatType, &stretch); + CFDictionaryAddValue(traits_dict, kCTFontWidthTrait, font_stretch); + + CFMutableDictionaryRef attributes = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, nullptr, nullptr); + CFDictionaryAddValue(attributes, kCTFontFamilyNameAttribute, name); + CFDictionaryAddValue(attributes, kCTFontTraitsAttribute, traits_dict); + + CTFontDescriptorRef font = CTFontDescriptorCreateWithAttributes(attributes); + if (font) { + CTFontRef family = CTFontCreateWithFontDescriptor(font, 0, nullptr); + CFStringRef string = CFStringCreateWithCString(kCFAllocatorDefault, p_text.utf8().get_data(), kCFStringEncodingUTF8); + CFRange range = CFRangeMake(0, CFStringGetLength(string)); + CTFontRef fallback_family = CTFontCreateForString(family, string, range); + if (fallback_family) { + CTFontDescriptorRef fallback_font = CTFontCopyFontDescriptor(fallback_family); + if (fallback_font) { + CFURLRef url = (CFURLRef)CTFontDescriptorCopyAttribute(fallback_font, kCTFontURLAttribute); + if (url) { + NSString *font_path = [NSString stringWithString:[(__bridge NSURL *)url path]]; + ret.push_back(String::utf8([font_path UTF8String])); + CFRelease(url); + } + CFRelease(fallback_font); + } + CFRelease(fallback_family); + } + CFRelease(string); + CFRelease(font); + } + + CFRelease(attributes); + CFRelease(traits_dict); + CFRelease(sym_traits); + CFRelease(font_stretch); + CFRelease(font_weight); + CFRelease(name); + + return ret; +} + +String OS_IOS::get_system_font_path(const String &p_font_name, int p_weight, int p_stretch, bool p_italic) const { + String ret; + String font_name = _get_default_fontname(p_font_name); CFStringRef name = CFStringCreateWithCString(kCFAllocatorDefault, font_name.utf8().get_data(), kCFStringEncodingUTF8); CTFontSymbolicTraits traits = 0; - if (p_bold) { + if (p_weight >= 700) { traits |= kCTFontBoldTrait; } if (p_italic) { traits |= kCTFontItalicTrait; } + if (p_stretch < 100) { + traits |= kCTFontCondensedTrait; + } else if (p_stretch > 100) { + traits |= kCTFontExpandedTrait; + } CFNumberRef sym_traits = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &traits); CFMutableDictionaryRef traits_dict = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, nullptr, nullptr); CFDictionaryAddValue(traits_dict, kCTFontSymbolicTrait, sym_traits); + CGFloat weight = _weight_to_ct(p_weight); + CFNumberRef font_weight = CFNumberCreate(kCFAllocatorDefault, kCFNumberCGFloatType, &weight); + CFDictionaryAddValue(traits_dict, kCTFontWeightTrait, font_weight); + + CGFloat stretch = _stretch_to_ct(p_stretch); + CFNumberRef font_stretch = CFNumberCreate(kCFAllocatorDefault, kCFNumberCGFloatType, &stretch); + CFDictionaryAddValue(traits_dict, kCTFontWidthTrait, font_stretch); + CFMutableDictionaryRef attributes = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, nullptr, nullptr); CFDictionaryAddValue(attributes, kCTFontFamilyNameAttribute, name); CFDictionaryAddValue(attributes, kCTFontTraitsAttribute, traits_dict); @@ -382,6 +512,8 @@ String OS_IOS::get_system_font_path(const String &p_font_name, bool p_bold, bool CFRelease(attributes); CFRelease(traits_dict); CFRelease(sym_traits); + CFRelease(font_stretch); + CFRelease(font_weight); CFRelease(name); return ret; |