mirror of https://github.com/Chlumsky/msdfgen.git
74 lines
1.5 KiB
C++
74 lines
1.5 KiB
C++
#include "freetype-loader.h"
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#include <vector>
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#include <string>
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#if defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__NT__)
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#define MSDFGEN_WINDOWS
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#define WIN32_MEAN_AND_LEAN
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#include <Windows.h>
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#else
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#include <dlfcn.h>
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#endif
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namespace msdfgen {
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struct DynamicLibrary {
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#if defined(MSDFGEN_WINDOWS)
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HMODULE handle;
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#else
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void* handle;
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#endif
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explicit DynamicLibrary(const std::vector<std::string>& names)
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: handle(nullptr) {
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for(const auto& name : names) {
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#if defined(MSDFGEN_WINDOWS)
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handle = LoadLibraryA(name.c_str());
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#else
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handle = dlopen(name.c_str(), RTLD_LAZY);
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#endif
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if(handle) {
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break; // If we loaded one, stop trying
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}
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}
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}
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~DynamicLibrary() {
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if(handle) {
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#if defined(MSDFGEN_WINDOWS)
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FreeLibrary(handle);
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#else
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dlclose(handle);
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#endif
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}
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}
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[[nodiscard]] void* getFunction(const char* name) const {
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#if defined(MSDFGEN_WINDOWS)
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return GetProcAddress(handle, name);
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#else
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return dlsym(handle, name);
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#endif
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}
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};
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[[nodiscard]] void* loadFreetypeFunction(const char* name) {
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static DynamicLibrary library{{
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#ifdef MSDFGEN_WINDOWS
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"freetype.dll",
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"freetype6.dll"
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#else
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#if defined(__APPLE__)
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"libfreetype.dylib",
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"libfreetype.6.dylib"
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#else
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"libfreetype.so",
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"libfreetype.so.6"
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#endif
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#endif
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}};
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return library.getFunction(name);
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}
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} |