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Implement support for loading system fonts on Linux, macOS / iOS and Windows.

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This commit is contained in:
bruvzg
2022-07-08 15:38:30 +03:00
parent 3e0e84a54c
commit 36ef8f29dc
27 changed files with 1089 additions and 54 deletions
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130
platform/windows/os_windows.cpp
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@ -48,6 +48,7 @@
#include <avrt.h>
#include <bcrypt.h>
#include <direct.h>
#include <dwrite.h>
#include <knownfolders.h>
#include <process.h>
#include <regstr.h>
@ -621,6 +622,135 @@ Error OS_Windows::set_cwd(const String &p_cwd) {
return OK;
}
Vector<String> OS_Windows::get_system_fonts() const {
Vector<String> ret;
HashSet<String> font_names;
ComAutoreleaseRef<IDWriteFactory> dwrite_factory;
HRESULT hr = DWriteCreateFactory(DWRITE_FACTORY_TYPE_SHARED, __uuidof(IDWriteFactory), reinterpret_cast<IUnknown **>(&dwrite_factory.reference));
ERR_FAIL_COND_V(FAILED(hr) || dwrite_factory.is_null(), ret);
ComAutoreleaseRef<IDWriteFontCollection> font_collection;
hr = dwrite_factory->GetSystemFontCollection(&font_collection.reference, false);
ERR_FAIL_COND_V(FAILED(hr) || font_collection.is_null(), ret);
UINT32 family_count = font_collection->GetFontFamilyCount();
for (UINT32 i = 0; i < family_count; i++) {
ComAutoreleaseRef<IDWriteFontFamily> family;
hr = font_collection->GetFontFamily(i, &family.reference);
ERR_CONTINUE(FAILED(hr) || family.is_null());
ComAutoreleaseRef<IDWriteLocalizedStrings> family_names;
hr = family->GetFamilyNames(&family_names.reference);
ERR_CONTINUE(FAILED(hr) || family_names.is_null());
UINT32 index = 0;
BOOL exists = false;
UINT32 length = 0;
Char16String name;
hr = family_names->FindLocaleName(L"en-us", &index, &exists);
ERR_CONTINUE(FAILED(hr));
hr = family_names->GetStringLength(index, &length);
ERR_CONTINUE(FAILED(hr));
name.resize(length + 1);
hr = family_names->GetString(index, (WCHAR *)name.ptrw(), length + 1);
ERR_CONTINUE(FAILED(hr));
font_names.insert(String::utf16(name.ptr(), length));
}
for (const String &E : font_names) {
ret.push_back(E);
}
return ret;
}
String OS_Windows::get_system_font_path(const String &p_font_name, bool p_bold, bool p_italic) const {
String font_name = p_font_name;
if (font_name.to_lower() == "sans-serif") {
font_name = "Arial";
} else if (font_name.to_lower() == "serif") {
font_name = "Times New Roman";
} else if (font_name.to_lower() == "monospace") {
font_name = "Courier New";
} else if (font_name.to_lower() == "cursive") {
font_name = "Comic Sans MS";
} else if (font_name.to_lower() == "fantasy") {
font_name = "Gabriola";
}
ComAutoreleaseRef<IDWriteFactory> dwrite_factory;
HRESULT hr = DWriteCreateFactory(DWRITE_FACTORY_TYPE_SHARED, __uuidof(IDWriteFactory), reinterpret_cast<IUnknown **>(&dwrite_factory.reference));
ERR_FAIL_COND_V(FAILED(hr) || dwrite_factory.is_null(), String());
ComAutoreleaseRef<IDWriteFontCollection> font_collection;
hr = dwrite_factory->GetSystemFontCollection(&font_collection.reference, false);
ERR_FAIL_COND_V(FAILED(hr) || font_collection.is_null(), String());
UINT32 index = 0;
BOOL exists = false;
font_collection->FindFamilyName((const WCHAR *)font_name.utf16().get_data(), &index, &exists);
if (FAILED(hr)) {
return String();
}
ComAutoreleaseRef<IDWriteFontFamily> family;
hr = font_collection->GetFontFamily(index, &family.reference);
if (FAILED(hr) || family.is_null()) {
return String();
}
ComAutoreleaseRef<IDWriteFont> dwrite_font;
hr = family->GetFirstMatchingFont(p_bold ? DWRITE_FONT_WEIGHT_BOLD : DWRITE_FONT_WEIGHT_NORMAL, DWRITE_FONT_STRETCH_NORMAL, p_italic ? DWRITE_FONT_STYLE_ITALIC : DWRITE_FONT_STYLE_NORMAL, &dwrite_font.reference);
if (FAILED(hr) || dwrite_font.is_null()) {
return String();
}
ComAutoreleaseRef<IDWriteFontFace> dwrite_face;
hr = dwrite_font->CreateFontFace(&dwrite_face.reference);
if (FAILED(hr) || dwrite_face.is_null()) {
return String();
}
UINT32 number_of_files = 0;
hr = dwrite_face->GetFiles(&number_of_files, nullptr);
if (FAILED(hr)) {
return String();
}
Vector<ComAutoreleaseRef<IDWriteFontFile>> files;
files.resize(number_of_files);
hr = dwrite_face->GetFiles(&number_of_files, (IDWriteFontFile **)files.ptrw());
if (FAILED(hr)) {
return String();
}
for (UINT32 i = 0; i < number_of_files; i++) {
void const *reference_key = nullptr;
UINT32 reference_key_size = 0;
ComAutoreleaseRef<IDWriteLocalFontFileLoader> loader;
hr = files.write[i]->GetLoader((IDWriteFontFileLoader **)&loader.reference);
if (FAILED(hr) || loader.is_null()) {
continue;
}
hr = files.write[i]->GetReferenceKey(&reference_key, &reference_key_size);
if (FAILED(hr)) {
continue;
}
WCHAR file_path[MAX_PATH];
hr = loader->GetFilePathFromKey(reference_key, reference_key_size, &file_path[0], MAX_PATH);
if (FAILED(hr)) {
continue;
}
return String::utf16((const char16_t *)&file_path[0]);
}
return String();
}
String OS_Windows::get_executable_path() const {
WCHAR bufname[4096];
GetModuleFileNameW(nullptr, bufname, 4096);