ImHex/plugins/fonts/source/library_fonts.cpp

118 lines
4.2 KiB
C++

#include <hex/plugin.hpp>
#include <hex/api/content_registry.hpp>
#include <hex/api/events/events_gui.hpp>
#include <hex/helpers/logger.hpp>
#include <romfs/romfs.hpp>
#include <font_settings.hpp>
#include <imgui_freetype.h>
#include <fonts/fonts.hpp>
#include <hex/api/task_manager.hpp>
#include <hex/api/events/events_lifecycle.hpp>
namespace hex::fonts {
void registerFonts();
void loadFont(const ContentRegistry::Settings::Widgets::Widget &widget, const UnlocalizedString &name, ImFont **imguiFont) {
const auto &settings = static_cast<const FontSelector&>(widget);
auto atlas = ImGui::GetIO().Fonts;
{
auto &font = *imguiFont;
if (font != nullptr) {
atlas->RemoveFont(font);
font = nullptr;
}
}
ImFontConfig config;
config.MergeMode = false;
config.FontDataOwnedByAtlas = false;
config.SizePixels = settings.getFontSize();
std::memcpy(config.Name, name.get().c_str(), std::min(name.get().size(), sizeof(config.Name) - 1));
if (settings.isBold())
config.FontLoaderFlags |= ImGuiFreeTypeLoaderFlags_Bold;
if (settings.isItalic())
config.FontLoaderFlags |= ImGuiFreeTypeLoaderFlags_Oblique;
switch (settings.getAntialiasingType()) {
case AntialiasingType::None:
config.FontLoaderFlags |= ImGuiFreeTypeLoaderFlags_Monochrome | ImGuiFreeTypeLoaderFlags_MonoHinting;
break;
case AntialiasingType::Grayscale:
break;
case AntialiasingType::Lcd:
config.FontLoaderFlags |= ImGuiFreeTypeLoaderFlags_SubPixel;
break;
}
{
const auto fontPath = settings.getFontPath();
if (!fontPath.empty())
*imguiFont = atlas->AddFontFromFileTTF(fontPath.string().c_str(), 0.0F, &config);
if (*imguiFont == nullptr) {
if (settings.isPixelPerfectFont())
*imguiFont = atlas->AddFontDefault();
else {
static auto jetbrainsFont = romfs::get("fonts/JetBrainsMono.ttf");
*imguiFont = atlas->AddFontFromMemoryTTF(const_cast<u8 *>(jetbrainsFont.data<u8>()), jetbrainsFont.size(), 0.0F, &config);
if (*imguiFont == nullptr) {
log::error("Failed to load font '{}', using default font instead", name.get());
*imguiFont = atlas->AddFontDefault();
}
}
}
}
config.MergeMode = true;
for (auto &extraFont : ImHexApi::Fonts::impl::getMergeFonts()) {
config.GlyphOffset = { extraFont.offset.x, -extraFont.offset.y };
config.GlyphOffset *= ImHexApi::System::getGlobalScale();
atlas->AddFontFromMemoryTTF(const_cast<u8 *>(extraFont.fontData.data()), extraFont.fontData.size(), 0.0F, &config);
}
}
bool setupFonts() {
for (auto &[name, font] : ImHexApi::Fonts::impl::getFontDefinitions()) {
auto &widget = addFontSettingsWidget(name)
.setChangedCallback([name, &font, firstLoad = true](auto &widget) mutable {
if (firstLoad) {
firstLoad = false;
return;
}
TaskManager::doLater([name, &font, &widget] {
loadFont(widget, name, &font);
});
});
loadFont(widget.getWidget(), name, &font);
}
return true;
}
}
IMHEX_LIBRARY_SETUP("Fonts") {
hex::log::debug("Using romfs: '{}'", romfs::name());
for (auto &path : romfs::list("lang"))
hex::ContentRegistry::Language::addLocalization(nlohmann::json::parse(romfs::get(path).string()));
hex::ImHexApi::Fonts::registerFont("hex.fonts.font.default");
hex::ImHexApi::Fonts::registerFont("hex.fonts.font.hex_editor");
hex::ImHexApi::Fonts::registerFont("hex.fonts.font.code_editor");
hex::fonts::registerFonts();
hex::EventImHexStartupFinished::subscribe([] {
hex::fonts::setupFonts();
hex::ImHexApi::Fonts::setDefaultFont(hex::fonts::Default());
});
}