ecec415988
Add support for font weight and stretch selection when using system fonts. Add function to get system fallback font from a font name, style, text, and language code. Implement system font support for Android. Use system fonts as a last resort fallback.
570 lines
17 KiB
Text
570 lines
17 KiB
Text
/*************************************************************************/
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/* os_ios.mm */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifdef IOS_ENABLED
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#include "os_ios.h"
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#import "app_delegate.h"
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#include "core/config/project_settings.h"
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#include "core/io/dir_access.h"
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#include "core/io/file_access.h"
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#include "core/io/file_access_pack.h"
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#include "display_server_ios.h"
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#include "drivers/unix/syslog_logger.h"
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#import "godot_view.h"
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#include "main/main.h"
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#import "view_controller.h"
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#import <AudioToolbox/AudioServices.h>
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#import <CoreText/CoreText.h>
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#import <UIKit/UIKit.h>
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#import <dlfcn.h>
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#include <sys/sysctl.h>
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#if defined(VULKAN_ENABLED)
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#include "servers/rendering/renderer_rd/renderer_compositor_rd.h"
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#import <QuartzCore/CAMetalLayer.h>
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#ifdef USE_VOLK
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#include <volk.h>
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#else
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#include <vulkan/vulkan.h>
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#endif
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#endif
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// Initialization order between compilation units is not guaranteed,
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// so we use this as a hack to ensure certain code is called before
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// everything else, but after all units are initialized.
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typedef void (*init_callback)();
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static init_callback *ios_init_callbacks = nullptr;
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static int ios_init_callbacks_count = 0;
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static int ios_init_callbacks_capacity = 0;
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HashMap<String, void *> OS_IOS::dynamic_symbol_lookup_table;
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void add_ios_init_callback(init_callback cb) {
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if (ios_init_callbacks_count == ios_init_callbacks_capacity) {
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void *new_ptr = realloc(ios_init_callbacks, sizeof(cb) * 32);
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if (new_ptr) {
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ios_init_callbacks = (init_callback *)(new_ptr);
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ios_init_callbacks_capacity += 32;
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}
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}
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if (ios_init_callbacks_capacity > ios_init_callbacks_count) {
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ios_init_callbacks[ios_init_callbacks_count] = cb;
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++ios_init_callbacks_count;
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}
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}
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void register_dynamic_symbol(char *name, void *address) {
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OS_IOS::dynamic_symbol_lookup_table[String(name)] = address;
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}
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OS_IOS *OS_IOS::get_singleton() {
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return (OS_IOS *)OS::get_singleton();
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}
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OS_IOS::OS_IOS() {
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for (int i = 0; i < ios_init_callbacks_count; ++i) {
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ios_init_callbacks[i]();
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}
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free(ios_init_callbacks);
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ios_init_callbacks = nullptr;
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ios_init_callbacks_count = 0;
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ios_init_callbacks_capacity = 0;
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main_loop = nullptr;
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Vector<Logger *> loggers;
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loggers.push_back(memnew(SyslogLogger));
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#ifdef DEBUG_ENABLED
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// it seems iOS app's stdout/stderr is only obtainable if you launch it from
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// Xcode
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loggers.push_back(memnew(StdLogger));
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#endif
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_set_logger(memnew(CompositeLogger(loggers)));
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AudioDriverManager::add_driver(&audio_driver);
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DisplayServerIOS::register_ios_driver();
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}
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OS_IOS::~OS_IOS() {}
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void OS_IOS::alert(const String &p_alert, const String &p_title) {
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const CharString utf8_alert = p_alert.utf8();
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const CharString utf8_title = p_title.utf8();
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iOS::alert(utf8_alert.get_data(), utf8_title.get_data());
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}
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void OS_IOS::initialize_core() {
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OS_Unix::initialize_core();
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}
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void OS_IOS::initialize() {
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initialize_core();
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}
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void OS_IOS::initialize_modules() {
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ios = memnew(iOS);
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Engine::get_singleton()->add_singleton(Engine::Singleton("iOS", ios));
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joypad_ios = memnew(JoypadIOS);
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}
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void OS_IOS::deinitialize_modules() {
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if (joypad_ios) {
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memdelete(joypad_ios);
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}
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if (ios) {
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memdelete(ios);
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}
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}
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void OS_IOS::set_main_loop(MainLoop *p_main_loop) {
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main_loop = p_main_loop;
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if (main_loop) {
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main_loop->initialize();
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}
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}
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MainLoop *OS_IOS::get_main_loop() const {
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return main_loop;
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}
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void OS_IOS::delete_main_loop() {
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if (main_loop) {
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main_loop->finalize();
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memdelete(main_loop);
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}
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main_loop = nullptr;
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}
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bool OS_IOS::iterate() {
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if (!main_loop) {
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return true;
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}
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if (DisplayServer::get_singleton()) {
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DisplayServer::get_singleton()->process_events();
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}
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return Main::iteration();
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}
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void OS_IOS::start() {
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Main::start();
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if (joypad_ios) {
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joypad_ios->start_processing();
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}
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}
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void OS_IOS::finalize() {
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deinitialize_modules();
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// Already gets called
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//delete_main_loop();
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}
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// MARK: Dynamic Libraries
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Error OS_IOS::open_dynamic_library(const String p_path, void *&p_library_handle, bool p_also_set_library_path, String *r_resolved_path) {
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if (p_path.length() == 0) {
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p_library_handle = RTLD_SELF;
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if (r_resolved_path != nullptr) {
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*r_resolved_path = p_path;
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}
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return OK;
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}
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return OS_Unix::open_dynamic_library(p_path, p_library_handle, p_also_set_library_path, r_resolved_path);
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}
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Error OS_IOS::close_dynamic_library(void *p_library_handle) {
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if (p_library_handle == RTLD_SELF) {
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return OK;
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}
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return OS_Unix::close_dynamic_library(p_library_handle);
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}
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Error OS_IOS::get_dynamic_library_symbol_handle(void *p_library_handle, const String p_name, void *&p_symbol_handle, bool p_optional) {
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if (p_library_handle == RTLD_SELF) {
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void **ptr = OS_IOS::dynamic_symbol_lookup_table.getptr(p_name);
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if (ptr) {
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p_symbol_handle = *ptr;
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return OK;
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}
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}
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return OS_Unix::get_dynamic_library_symbol_handle(p_library_handle, p_name, p_symbol_handle, p_optional);
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}
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String OS_IOS::get_name() const {
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return "iOS";
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}
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String OS_IOS::get_distribution_name() const {
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return get_name();
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}
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String OS_IOS::get_version() const {
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NSOperatingSystemVersion ver = [NSProcessInfo processInfo].operatingSystemVersion;
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return vformat("%d.%d.%d", (int64_t)ver.majorVersion, (int64_t)ver.minorVersion, (int64_t)ver.patchVersion);
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}
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String OS_IOS::get_model_name() const {
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String model = ios->get_model();
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if (model != "") {
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return model;
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}
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return OS_Unix::get_model_name();
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}
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Error OS_IOS::shell_open(String p_uri) {
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NSString *urlPath = [[NSString alloc] initWithUTF8String:p_uri.utf8().get_data()];
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NSURL *url = [NSURL URLWithString:urlPath];
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if (![[UIApplication sharedApplication] canOpenURL:url]) {
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return ERR_CANT_OPEN;
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}
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printf("opening url %s\n", p_uri.utf8().get_data());
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[[UIApplication sharedApplication] openURL:url options:@{} completionHandler:nil];
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return OK;
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}
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String OS_IOS::get_user_data_dir() const {
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static String ret;
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if (ret.is_empty()) {
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NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
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if (paths && [paths count] >= 1) {
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ret.parse_utf8([[paths firstObject] UTF8String]);
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}
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}
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return ret;
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}
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String OS_IOS::get_cache_path() const {
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static String ret;
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if (ret.is_empty()) {
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NSArray *paths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);
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if (paths && [paths count] >= 1) {
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ret.parse_utf8([[paths firstObject] UTF8String]);
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}
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}
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return ret;
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}
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String OS_IOS::get_locale() const {
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NSString *preferedLanguage = [NSLocale preferredLanguages].firstObject;
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if (preferedLanguage) {
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return String::utf8([preferedLanguage UTF8String]).replace("-", "_");
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}
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NSString *localeIdentifier = [[NSLocale currentLocale] localeIdentifier];
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return String::utf8([localeIdentifier UTF8String]).replace("-", "_");
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}
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String OS_IOS::get_unique_id() const {
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NSString *uuid = [UIDevice currentDevice].identifierForVendor.UUIDString;
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return String::utf8([uuid UTF8String]);
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}
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String OS_IOS::get_processor_name() const {
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char buffer[256];
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size_t buffer_len = 256;
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if (sysctlbyname("machdep.cpu.brand_string", &buffer, &buffer_len, NULL, 0) == 0) {
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return String::utf8(buffer, buffer_len);
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}
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ERR_FAIL_V_MSG("", String("Couldn't get the CPU model name. Returning an empty string."));
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}
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Vector<String> OS_IOS::get_system_fonts() const {
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HashSet<String> font_names;
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CFArrayRef fonts = CTFontManagerCopyAvailableFontFamilyNames();
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if (fonts) {
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for (CFIndex i = 0; i < CFArrayGetCount(fonts); i++) {
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CFStringRef cf_name = (CFStringRef)CFArrayGetValueAtIndex(fonts, i);
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if (cf_name && (CFStringGetLength(cf_name) > 0) && (CFStringCompare(cf_name, CFSTR("LastResort"), kCFCompareCaseInsensitive) != kCFCompareEqualTo) && (CFStringGetCharacterAtIndex(cf_name, 0) != '.')) {
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NSString *ns_name = (__bridge NSString *)cf_name;
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font_names.insert(String::utf8([ns_name UTF8String]));
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}
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}
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CFRelease(fonts);
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}
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Vector<String> ret;
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for (const String &E : font_names) {
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ret.push_back(E);
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}
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return ret;
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}
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String OS_IOS::_get_default_fontname(const String &p_font_name) const {
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String font_name = p_font_name;
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if (font_name.to_lower() == "sans-serif") {
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font_name = "Helvetica";
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} else if (font_name.to_lower() == "serif") {
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font_name = "Times";
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} else if (font_name.to_lower() == "monospace") {
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font_name = "Courier";
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} else if (font_name.to_lower() == "fantasy") {
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font_name = "Papyrus";
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} else if (font_name.to_lower() == "cursive") {
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font_name = "Apple Chancery";
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};
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return font_name;
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}
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CGFloat OS_IOS::_weight_to_ct(int p_weight) const {
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if (p_weight < 150) {
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return -0.80;
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} else if (p_weight < 250) {
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return -0.60;
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} else if (p_weight < 350) {
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return -0.40;
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} else if (p_weight < 450) {
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return 0.0;
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} else if (p_weight < 550) {
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return 0.23;
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} else if (p_weight < 650) {
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return 0.30;
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} else if (p_weight < 750) {
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return 0.40;
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} else if (p_weight < 850) {
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return 0.56;
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} else if (p_weight < 925) {
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return 0.62;
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} else {
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return 1.00;
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}
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}
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CGFloat OS_IOS::_stretch_to_ct(int p_stretch) const {
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if (p_stretch < 56) {
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return -0.5;
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} else if (p_stretch < 69) {
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return -0.37;
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} else if (p_stretch < 81) {
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return -0.25;
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} else if (p_stretch < 93) {
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return -0.13;
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} else if (p_stretch < 106) {
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return 0.0;
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} else if (p_stretch < 137) {
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return 0.13;
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} else if (p_stretch < 144) {
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return 0.25;
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} else if (p_stretch < 162) {
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return 0.37;
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} else {
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return 0.5;
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}
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}
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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 {
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Vector<String> ret;
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String font_name = _get_default_fontname(p_font_name);
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CFStringRef name = CFStringCreateWithCString(kCFAllocatorDefault, font_name.utf8().get_data(), kCFStringEncodingUTF8);
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CTFontSymbolicTraits traits = 0;
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if (p_weight >= 700) {
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traits |= kCTFontBoldTrait;
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}
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if (p_italic) {
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traits |= kCTFontItalicTrait;
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}
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if (p_stretch < 100) {
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traits |= kCTFontCondensedTrait;
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} else if (p_stretch > 100) {
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traits |= kCTFontExpandedTrait;
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}
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CFNumberRef sym_traits = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &traits);
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CFMutableDictionaryRef traits_dict = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, nullptr, nullptr);
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CFDictionaryAddValue(traits_dict, kCTFontSymbolicTrait, sym_traits);
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CGFloat weight = _weight_to_ct(p_weight);
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CFNumberRef font_weight = CFNumberCreate(kCFAllocatorDefault, kCFNumberCGFloatType, &weight);
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CFDictionaryAddValue(traits_dict, kCTFontWeightTrait, font_weight);
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CGFloat stretch = _stretch_to_ct(p_stretch);
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CFNumberRef font_stretch = CFNumberCreate(kCFAllocatorDefault, kCFNumberCGFloatType, &stretch);
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CFDictionaryAddValue(traits_dict, kCTFontWidthTrait, font_stretch);
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CFMutableDictionaryRef attributes = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, nullptr, nullptr);
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CFDictionaryAddValue(attributes, kCTFontFamilyNameAttribute, name);
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CFDictionaryAddValue(attributes, kCTFontTraitsAttribute, traits_dict);
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CTFontDescriptorRef font = CTFontDescriptorCreateWithAttributes(attributes);
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if (font) {
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CTFontRef family = CTFontCreateWithFontDescriptor(font, 0, nullptr);
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CFStringRef string = CFStringCreateWithCString(kCFAllocatorDefault, p_text.utf8().get_data(), kCFStringEncodingUTF8);
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CFRange range = CFRangeMake(0, CFStringGetLength(string));
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CTFontRef fallback_family = CTFontCreateForString(family, string, range);
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if (fallback_family) {
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CTFontDescriptorRef fallback_font = CTFontCopyFontDescriptor(fallback_family);
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if (fallback_font) {
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CFURLRef url = (CFURLRef)CTFontDescriptorCopyAttribute(fallback_font, kCTFontURLAttribute);
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if (url) {
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NSString *font_path = [NSString stringWithString:[(__bridge NSURL *)url path]];
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ret.push_back(String::utf8([font_path UTF8String]));
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CFRelease(url);
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}
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CFRelease(fallback_font);
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}
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CFRelease(fallback_family);
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}
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CFRelease(string);
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CFRelease(font);
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}
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CFRelease(attributes);
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CFRelease(traits_dict);
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CFRelease(sym_traits);
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CFRelease(font_stretch);
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CFRelease(font_weight);
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CFRelease(name);
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return ret;
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}
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String OS_IOS::get_system_font_path(const String &p_font_name, int p_weight, int p_stretch, bool p_italic) const {
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String ret;
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String font_name = _get_default_fontname(p_font_name);
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CFStringRef name = CFStringCreateWithCString(kCFAllocatorDefault, font_name.utf8().get_data(), kCFStringEncodingUTF8);
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CTFontSymbolicTraits traits = 0;
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if (p_weight >= 700) {
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traits |= kCTFontBoldTrait;
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}
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if (p_italic) {
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traits |= kCTFontItalicTrait;
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}
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if (p_stretch < 100) {
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traits |= kCTFontCondensedTrait;
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} else if (p_stretch > 100) {
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traits |= kCTFontExpandedTrait;
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}
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CFNumberRef sym_traits = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &traits);
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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) {
|
|
CFURLRef url = (CFURLRef)CTFontDescriptorCopyAttribute(font, kCTFontURLAttribute);
|
|
if (url) {
|
|
NSString *font_path = [NSString stringWithString:[(__bridge NSURL *)url path]];
|
|
ret = String::utf8([font_path UTF8String]);
|
|
CFRelease(url);
|
|
}
|
|
CFRelease(font);
|
|
}
|
|
|
|
CFRelease(attributes);
|
|
CFRelease(traits_dict);
|
|
CFRelease(sym_traits);
|
|
CFRelease(font_stretch);
|
|
CFRelease(font_weight);
|
|
CFRelease(name);
|
|
|
|
return ret;
|
|
}
|
|
|
|
void OS_IOS::vibrate_handheld(int p_duration_ms) {
|
|
if (ios->supports_haptic_engine()) {
|
|
ios->vibrate_haptic_engine((float)p_duration_ms / 1000.f);
|
|
} else {
|
|
// iOS <13 does not support duration for vibration
|
|
AudioServicesPlaySystemSound(kSystemSoundID_Vibrate);
|
|
}
|
|
}
|
|
|
|
bool OS_IOS::_check_internal_feature_support(const String &p_feature) {
|
|
if (p_feature == "system_fonts") {
|
|
return true;
|
|
}
|
|
if (p_feature == "mobile") {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void OS_IOS::on_focus_out() {
|
|
if (is_focused) {
|
|
is_focused = false;
|
|
|
|
if (DisplayServerIOS::get_singleton()) {
|
|
DisplayServerIOS::get_singleton()->send_window_event(DisplayServer::WINDOW_EVENT_FOCUS_OUT);
|
|
}
|
|
|
|
[AppDelegate.viewController.godotView stopRendering];
|
|
|
|
audio_driver.stop();
|
|
}
|
|
}
|
|
|
|
void OS_IOS::on_focus_in() {
|
|
if (!is_focused) {
|
|
is_focused = true;
|
|
|
|
if (DisplayServerIOS::get_singleton()) {
|
|
DisplayServerIOS::get_singleton()->send_window_event(DisplayServer::WINDOW_EVENT_FOCUS_IN);
|
|
}
|
|
|
|
[AppDelegate.viewController.godotView startRendering];
|
|
|
|
audio_driver.start();
|
|
}
|
|
}
|
|
|
|
#endif // IOS_ENABLED
|