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impr: Cleanup font loading

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WerWolv
2025-07-26 14:01:31 +02:00
parent e85216d9a6
commit 2998cc0fd7
3 changed files with 108 additions and 89 deletions
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1
plugins/fonts/CMakeLists.txt
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@@ -9,6 +9,7 @@ add_imhex_plugin(
source/library_fonts.cpp
source/fonts.cpp
source/font_settings.cpp
source/font_loader.cpp
INCLUDES
include
LIBRARY_PLUGIN

103
plugins/fonts/source/font_loader.cpp Normal file
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@@ -0,0 +1,103 @@
#include <hex/api/content_registry.hpp>
#include <hex/helpers/logger.hpp>
#include <romfs/romfs.hpp>
#include <font_settings.hpp>
#include <fonts/fonts.hpp>
#include <hex/api/task_manager.hpp>
#include <imgui_freetype.h>
namespace hex::fonts::loader {
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.isPixelPerfectFont()) {
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;
}
} else {
config.FontLoaderFlags |= ImGuiFreeTypeLoaderFlags_NoHinting;
}
{
const auto fontPath = settings.getFontPath();
if (!fontPath.empty())
*imguiFont = atlas->AddFontFromFileTTF(fontPath.string().c_str(), 0.0F, &config);
if (*imguiFont == nullptr) {
if (settings.isPixelPerfectFont()) {
auto defaultConfig = config;
defaultConfig.SizePixels = 0;
*imguiFont = atlas->AddFontDefault(&defaultConfig);
} 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(), extraFont.defaultSize.value_or(0), &config);
}
}
bool loadFonts() {
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;
}
}

93
plugins/fonts/source/library_fonts.cpp
View File

@@ -6,7 +6,6 @@
#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>
@@ -14,98 +13,14 @@
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.isPixelPerfectFont()) {
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;
}
} else {
config.FontLoaderFlags |= ImGuiFreeTypeLoaderFlags_NoHinting;
}
{
const auto fontPath = settings.getFontPath();
if (!fontPath.empty())
*imguiFont = atlas->AddFontFromFileTTF(fontPath.string().c_str(), 0.0F, &config);
if (*imguiFont == nullptr) {
if (settings.isPixelPerfectFont()) {
auto defaultConfig = config;
defaultConfig.SizePixels = 0;
*imguiFont = atlas->AddFontDefault(&defaultConfig);
} 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(), extraFont.defaultSize.value_or(0), &config);
}
namespace loader {
bool loadFonts();
}
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"))
@@ -118,7 +33,7 @@ IMHEX_LIBRARY_SETUP("Fonts") {
hex::fonts::registerFonts();
hex::EventImHexStartupFinished::subscribe([] {
hex::fonts::setupFonts();
hex::fonts::loader::loadFonts();
hex::ImHexApi::Fonts::setDefaultFont(hex::fonts::Default());
});