Cool_Tools/ImHex
1
0
Fork 0
mirror of synced 2024-11-24 07:40:17 +01:00
Code Releases Wiki Activity

impr: Better font loading logic

Browse Source
This commit is contained in:
WerWolv 2024-06-16 22:41:16 +02:00
parent deee76e455
commit f49715c7a0
8 changed files with 351 additions and 264 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
lib/libimhex/CMakeLists.txt
View File

@ -123,7 +123,7 @@ target_link_directories(libimhex ${LIBIMHEX_LIBRARY_TYPE} ${MBEDTLS_LIBRARY_DIR}
if (NOT EMSCRIPTEN)
# curl is only used in non-emscripten builds
target_link_libraries(libimhex ${LIBIMHEX_LIBRARY_TYPE} ${CURL_LIBRARIES})
target_link_libraries(libimhex ${LIBIMHEX_LIBRARY_TYPE} CURL::libcurl)
endif()

6
lib/libimhex/source/api/imhex_api.cpp
View File

@ -932,9 +932,9 @@ namespace hex {
s_fontSize = size;
}
static AutoReset<std::shared_ptr<ImFontAtlas>> s_fontAtlas;
static AutoReset<ImFontAtlas*> s_fontAtlas;
void setFontAtlas(ImFontAtlas* fontAtlas) {
s_fontAtlas = std::unique_ptr<ImFontAtlas, void(*)(ImFontAtlas*)>(fontAtlas, IM_DELETE);
s_fontAtlas = fontAtlas;
}
static ImFont *s_boldFont = nullptr;
@ -1017,7 +1017,7 @@ namespace hex {
}
ImFontAtlas* getFontAtlas() {
return impl::s_fontAtlas->get();
return impl::s_fontAtlas;
}
ImFont* Bold() {

1
main/gui/source/window/window.cpp
View File

@ -270,7 +270,6 @@ namespace hex {
glfwWaitEventsTimeout(targetFrameTime - frameTime);
// glfwWaitEventsTimeout might return early if there's an event
const auto frameTime = glfwGetTime() - m_lastStartFrameTime;
if (frameTime < targetFrameTime) {
const auto timeToSleepMs = (int)((targetFrameTime - frameTime) * 1000);
std::this_thread::sleep_for(std::chrono::milliseconds(timeToSleepMs));

256
plugins/builtin/source/content/init_tasks.cpp
View File

@ -4,18 +4,10 @@
#include <hex/api/task_manager.hpp>
#include <hex/helpers/http_requests.hpp>
#include <hex/helpers/fs.hpp>
#include <hex/helpers/utils.hpp>
#include <hex/helpers/logger.hpp>
#include <wolv/utils/string.hpp>
#include <wolv/hash/uuid.hpp>
#include <imgui.h>
#include <imgui_freetype.h>
#include <cstring>
namespace hex::plugin::builtin {
namespace {
@ -119,253 +111,6 @@ namespace hex::plugin::builtin {
return true;
}
bool loadFontsImpl(bool loadUnicode) {
float defaultFontSize = ImHexApi::Fonts::DefaultFontSize * ImHexApi::System::getGlobalScale();
if (defaultFontSize == 0.0F)
defaultFontSize = ImHexApi::Fonts::DefaultFontSize;
// Reset used font size back to the default size
ImHexApi::Fonts::impl::setFontSize(defaultFontSize);
// Load custom font related settings
if (ContentRegistry::Settings::read<bool>("hex.builtin.setting.font", "hex.builtin.setting.font.custom_font_enable", false)) {
auto fontFile = ContentRegistry::Settings::read<std::fs::path>("hex.builtin.setting.font", "hex.builtin.setting.font.font_path", "");
if (!fontFile.empty()) {
if (!wolv::io::fs::exists(fontFile) || !wolv::io::fs::isRegularFile(fontFile)) {
log::warn("Custom font file {} not found! Falling back to default font.", wolv::util::toUTF8String(fontFile));
fontFile.clear();
}
log::info("Loading custom font from {}", wolv::util::toUTF8String(fontFile));
}
// If no custom font has been specified, search for a file called "font.ttf" in one of the resource folders
if (fontFile.empty()) {
for (const auto &dir : fs::getDefaultPaths(fs::ImHexPath::Resources)) {
auto path = dir / "font.ttf";
if (wolv::io::fs::exists(path)) {
log::info("Loading custom font from {}", wolv::util::toUTF8String(path));
fontFile = path;
break;
}
}
}
ImHexApi::Fonts::impl::setCustomFontPath(fontFile);
// If a custom font has been loaded now, also load the font size
float fontSize = defaultFontSize;
if (!fontFile.empty()) {
fontSize = float(ContentRegistry::Settings::read<int>("hex.builtin.setting.font", "hex.builtin.setting.font.font_size", 13)) * ImHexApi::System::getGlobalScale();
}
ImHexApi::Fonts::impl::setFontSize(fontSize);
}
float fontSize = ImHexApi::Fonts::getFontSize();
const auto &fontFile = ImHexApi::Fonts::getCustomFontPath();
// Setup basic font configuration
auto fonts = IM_NEW(ImFontAtlas)();
ImFontConfig cfg = {};
cfg.OversampleH = cfg.OversampleV = 1, cfg.PixelSnapH = true;
cfg.SizePixels = fontSize;
fonts->Flags |= ImFontAtlasFlags_NoPowerOfTwoHeight;
fonts->TexDesiredWidth = 4096;
// Configure font glyph ranges that should be loaded from the default font and unifont
static ImVector<ImWchar> defaultGlyphRanges;
defaultGlyphRanges = { };
{
ImFontGlyphRangesBuilder glyphRangesBuilder;
{
constexpr static std::array<ImWchar, 3> controlCodeRange = { 0x0001, 0x001F, 0 };
constexpr static std::array<ImWchar, 3> extendedAsciiRange = { 0x007F, 0x00FF, 0 };
constexpr static std::array<ImWchar, 3> latinExtendedARange = { 0x0100, 0x017F, 0 };
glyphRangesBuilder.AddRanges(controlCodeRange.data());
glyphRangesBuilder.AddRanges(fonts->GetGlyphRangesDefault());
glyphRangesBuilder.AddRanges(extendedAsciiRange.data());
glyphRangesBuilder.AddRanges(latinExtendedARange.data());
}
if (loadUnicode) {
constexpr static std::array<ImWchar, 3> fullRange = { 0x0180, 0xFFEF, 0 };
glyphRangesBuilder.AddRanges(fullRange.data());
} else {
glyphRangesBuilder.AddRanges(fonts->GetGlyphRangesJapanese());
glyphRangesBuilder.AddRanges(fonts->GetGlyphRangesChineseFull());
glyphRangesBuilder.AddRanges(fonts->GetGlyphRangesCyrillic());
glyphRangesBuilder.AddRanges(fonts->GetGlyphRangesKorean());
glyphRangesBuilder.AddRanges(fonts->GetGlyphRangesThai());
glyphRangesBuilder.AddRanges(fonts->GetGlyphRangesVietnamese());
}
glyphRangesBuilder.BuildRanges(&defaultGlyphRanges);
}
std::vector<u8> customFontData;
if (fontFile.empty()) {
fonts->Clear();
} else {
wolv::io::File file(fontFile, wolv::io::File::Mode::Read);
customFontData = file.readVector();
}
if (ContentRegistry::Settings::read<bool>("hex.builtin.setting.font", "hex.builtin.setting.font.custom_font_enable", false)) {
if (ContentRegistry::Settings::read<bool>("hex.builtin.setting.font", "hex.builtin.setting.font.font_bold", false))
cfg.FontBuilderFlags |= ImGuiFreeTypeBuilderFlags_Bold;
if (ContentRegistry::Settings::read<bool>("hex.builtin.setting.font", "hex.builtin.setting.font.font_italic", false))
cfg.FontBuilderFlags |= ImGuiFreeTypeBuilderFlags_Oblique;
if (!ContentRegistry::Settings::read<bool>("hex.builtin.setting.font", "hex.builtin.setting.font.font_antialias", true))
cfg.FontBuilderFlags |= ImGuiFreeTypeBuilderFlags_Monochrome | ImGuiFreeTypeBuilderFlags_MonoHinting;
}
auto loadDefaultFont = [&](const char *fontName, u32 flags = 0) {
ImFontConfig defaultConfig = cfg;
defaultConfig.FontBuilderFlags |= flags;
std::strncpy(defaultConfig.Name, fontName, sizeof(defaultConfig.Name) - 1);
if (!fontFile.empty()) {
if (!customFontData.empty()) {
defaultConfig.FontDataOwnedByAtlas = false;
return fonts->AddFontFromMemoryTTF(customFontData.data(), customFontData.size(), 0, &defaultConfig, defaultGlyphRanges.Data);
}
}
defaultConfig.FontBuilderFlags |= ImGuiFreeTypeBuilderFlags_Monochrome | ImGuiFreeTypeBuilderFlags_MonoHinting;
defaultConfig.SizePixels = std::floor(ImHexApi::Fonts::getFontSize() / ImHexApi::Fonts::DefaultFontSize) * ImHexApi::Fonts::DefaultFontSize;
return fonts->AddFontDefault(&defaultConfig);
};
// Load main font
// If a custom font has been specified, load it, otherwise load the default ImGui font
ImFont *defaultFont = loadDefaultFont("Default Font");
if (defaultFont == nullptr) {
log::warn("Failed to load custom font! Falling back to default font.");
ImHexApi::Fonts::impl::setFontSize(defaultFontSize);
cfg.SizePixels = defaultFontSize;
defaultFont = fonts->AddFontDefault(&cfg);
}
fonts->Build();
cfg.FontDataOwnedByAtlas = false;
// Add all other fonts to the atlas
auto startFlags = cfg.FontBuilderFlags;
std::list<ImVector<ImWchar>> ranges;
for (auto &font : ImHexApi::Fonts::impl::getFonts()) {
ImVector<ImWchar> fontRange;
if (font.glyphRanges.empty()) {
fontRange = defaultGlyphRanges;
} else {
for (const auto &range : font.glyphRanges) {
fontRange.push_back(range.begin);
fontRange.push_back(range.end);
}
fontRange.push_back(0x00);
}
ranges.push_back(fontRange);
cfg.FontBuilderFlags = font.flags;
float descent = [&] {
ImFontAtlas atlas;
// Disable merge mode for this font but retain the rest of the configuration
cfg.MergeMode = false;
auto size = fontSize;
if (font.defaultSize.has_value())
size = font.defaultSize.value() * std::floor(ImHexApi::Fonts::getFontSize() / ImHexApi::Fonts::DefaultFontSize);
else
size = std::max(1.0F, std::floor(size / ImHexApi::Fonts::DefaultFontSize)) * ImHexApi::Fonts::DefaultFontSize;
cfg.SizePixels = size;
ON_SCOPE_EXIT { cfg.MergeMode = true; };
// Construct a range that only contains the first glyph of the font
ImVector<ImWchar> queryRange;
{
auto firstGlyph = font.glyphRanges.empty() ? defaultGlyphRanges.front() : font.glyphRanges.front().begin;
queryRange.push_back(firstGlyph);
queryRange.push_back(firstGlyph);
}
queryRange.push_back(0x00);
// Build the font atlas with the query range
auto newFont = atlas.AddFontFromMemoryTTF(const_cast<u8 *>(font.fontData.data()), int(font.fontData.size()), 0, &cfg, queryRange.Data);
atlas.Build();
return newFont->Descent;
}();
std::memset(cfg.Name, 0x00, sizeof(cfg.Name));
std::strncpy(cfg.Name, font.name.c_str(), sizeof(cfg.Name) - 1);
cfg.GlyphOffset = { font.offset.x, font.offset.y - defaultFont->Descent + descent };
fonts->AddFontFromMemoryTTF(const_cast<u8 *>(font.fontData.data()), int(font.fontData.size()), 0, &cfg, ranges.back().Data);
}
cfg.FontBuilderFlags = startFlags;
// Create bold and italic font
cfg.MergeMode = false;
ImFont *boldFont = loadDefaultFont("Bold Font", ImGuiFreeTypeBuilderFlags_Bold);
ImFont *italicFont = loadDefaultFont("Italic Font", ImGuiFreeTypeBuilderFlags_Oblique);
ImHexApi::Fonts::impl::setFonts(boldFont, italicFont);
// Try to build the font atlas
if (!fonts->Build()) {
// The main reason the font atlas failed to build is that the font is too big for the GPU to handle
// If unicode support is enabled, therefor try to load the font atlas without unicode support
// If that still didn't work, there's probably something else going on with the graphics drivers
// Especially Intel GPU drivers are known to have various bugs
if (loadUnicode) {
log::error("Failed to build font atlas! Disabling Unicode support.");
IM_DELETE(fonts);
// Disable unicode support in settings
ContentRegistry::Settings::write<bool>("hex.builtin.setting.font", "hex.builtin.setting.font.load_all_unicode_chars", false);
// Try to load the font atlas again
return loadFontsImpl(false);
} else {
log::error("Failed to build font atlas! Check your Graphics driver!");
return false;
}
}
// Configure ImGui to use the font atlas
ImHexApi::Fonts::impl::setFontAtlas(fonts);
return true;
}
bool loadFonts() {
// Check if unicode support is enabled in the settings and that the user doesn't use the No GPU version on Windows
// The Mesa3D software renderer on Windows identifies itself as "VMware, Inc."
bool shouldLoadUnicode =
ContentRegistry::Settings::read<bool>("hex.builtin.setting.font", "hex.builtin.setting.font.load_all_unicode_chars", false) &&
ImHexApi::System::getGPUVendor() != "VMware, Inc.";
return loadFontsImpl(shouldLoadUnicode);
}
bool loadWindowSettings() {
bool multiWindowEnabled = ContentRegistry::Settings::read<bool>("hex.builtin.setting.interface", "hex.builtin.setting.interface.multi_windows", false);
ImHexApi::System::impl::setMultiWindowMode(multiWindowEnabled);
@ -392,7 +137,6 @@ namespace hex::plugin::builtin {
void addInitTasks() {
ImHexApi::System::addStartupTask("Load Window Settings", false, loadWindowSettings);
ImHexApi::System::addStartupTask("Configuring UI scale", true, configureUIScale);
ImHexApi::System::addStartupTask("Loading fonts", true, loadFonts);
ImHexApi::System::addStartupTask("Checking for updates", true, checkForUpdates);
}
}

1
plugins/fonts/CMakeLists.txt
View File

@ -7,6 +7,7 @@ add_imhex_plugin(
fonts
SOURCES
source/library_fonts.cpp
source/font_loader.cpp
source/fonts.cpp
INCLUDES
include

340
plugins/fonts/source/font_loader.cpp Normal file
View File

@ -0,0 +1,340 @@
#include <imgui.h>
#include <imgui_internal.h>
#include <imgui_freetype.h>
#include <memory>
#include <list>
#include <hex/api/imhex_api.hpp>
#include <romfs/romfs.hpp>
#include "wolv/io/file.hpp"
#include "hex/api/content_registry.hpp"
#include "hex/helpers/logger.hpp"
#include "wolv/utils/string.hpp"
#include "hex/helpers/fs.hpp"
namespace hex::fonts {
namespace {
class Font {
public:
Font() = default;
float getDescent() const {
return m_font->Descent;
}
private:
explicit Font(ImFont *font) : m_font(font) { }
private:
friend class FontAtlas;
ImFont *m_font;
};
class FontAtlas {
public:
FontAtlas() : m_fontAtlas(IM_NEW(ImFontAtlas)) {
enableUnicodeCharacters(false);
// Set the default configuration for the font atlas
m_config.OversampleH = m_config.OversampleV = 1;
m_config.PixelSnapH = true;
m_config.MergeMode = false;
// Make sure the font atlas doesn't get too large, otherwise weaker GPUs might reject it
m_fontAtlas->Flags |= ImFontAtlasFlags_NoPowerOfTwoHeight;
m_fontAtlas->TexDesiredWidth = 4096;
}
~FontAtlas() {
IM_DELETE(m_fontAtlas);
}
Font addDefaultFont() {
ImFontConfig config = m_config;
config.FontBuilderFlags |= ImGuiFreeTypeBuilderFlags_Monochrome | ImGuiFreeTypeBuilderFlags_MonoHinting;
config.SizePixels = std::floor(ImHexApi::System::getGlobalScale()) * 13.0F;
auto font = m_fontAtlas->AddFontDefault(&config);
m_config.MergeMode = true;
return Font(font);
}
Font addFontFromMemory(const std::vector<u8> &fontData, float fontSize, ImVec2 offset, bool ownedByImGui = false, const ImVector<ImWchar> &glyphRange = {}) {
auto &storedFontData = m_fontData.emplace_back(fontData);
ImFontConfig config = m_config;
config.FontDataOwnedByAtlas = ownedByImGui;
config.GlyphOffset = { offset.x, offset.y };
auto font = m_fontAtlas->AddFontFromMemoryTTF(storedFontData.data(), int(storedFontData.size()), fontSize, &config, !glyphRange.empty() ? glyphRange.Data : m_glyphRange.Data);
m_config.MergeMode = true;
return Font(font);
}
Font addFontFromRomFs(const std::fs::path &path, float fontSize, ImVec2 offset, const ImVector<ImWchar> &glyphRange = {}) {
auto data = romfs::get(path).span<u8>();
return addFontFromMemory({ data.begin(), data.end() }, fontSize, offset, false, glyphRange);
}
Font addFontFromFile(const std::fs::path &path, float fontSize, ImVec2 offset, const ImVector<ImWchar> &glyphRange = {}) {
wolv::io::File file(path, wolv::io::File::Mode::Read);
auto data = file.readVector();
return addFontFromMemory(data, fontSize, offset, true, glyphRange);
}
void setBold(bool enabled) {
if (enabled)
m_config.FontBuilderFlags |= ImGuiFreeTypeBuilderFlags_Bold;
else
m_config.FontBuilderFlags &= ~ImGuiFreeTypeBuilderFlags_Bold;
}
void setItalic(bool enabled) {
if (enabled)
m_config.FontBuilderFlags |= ImGuiFreeTypeBuilderFlags_Oblique;
else
m_config.FontBuilderFlags &= ~ImGuiFreeTypeBuilderFlags_Oblique;
}
void setAntiAliasing(bool enabled) {
if (enabled)
m_config.FontBuilderFlags &= ~ImGuiFreeTypeBuilderFlags_Monochrome | ImGuiFreeTypeBuilderFlags_MonoHinting;
else
m_config.FontBuilderFlags |= ImGuiFreeTypeBuilderFlags_Monochrome | ImGuiFreeTypeBuilderFlags_MonoHinting;
}
void enableUnicodeCharacters(bool enabled) {
ImFontGlyphRangesBuilder glyphRangesBuilder;
{
constexpr static std::array<ImWchar, 3> controlCodeRange = { 0x0001, 0x001F, 0 };
constexpr static std::array<ImWchar, 3> extendedAsciiRange = { 0x007F, 0x00FF, 0 };
constexpr static std::array<ImWchar, 3> latinExtendedARange = { 0x0100, 0x017F, 0 };
glyphRangesBuilder.AddRanges(controlCodeRange.data());
glyphRangesBuilder.AddRanges(m_fontAtlas->GetGlyphRangesDefault());
glyphRangesBuilder.AddRanges(extendedAsciiRange.data());
glyphRangesBuilder.AddRanges(latinExtendedARange.data());
}
if (enabled) {
constexpr static std::array<ImWchar, 3> fullRange = { 0x0180, 0xFFEF, 0 };
glyphRangesBuilder.AddRanges(fullRange.data());
} else {
glyphRangesBuilder.AddRanges(m_fontAtlas->GetGlyphRangesJapanese());
glyphRangesBuilder.AddRanges(m_fontAtlas->GetGlyphRangesChineseFull());
glyphRangesBuilder.AddRanges(m_fontAtlas->GetGlyphRangesCyrillic());
glyphRangesBuilder.AddRanges(m_fontAtlas->GetGlyphRangesKorean());
glyphRangesBuilder.AddRanges(m_fontAtlas->GetGlyphRangesThai());
glyphRangesBuilder.AddRanges(m_fontAtlas->GetGlyphRangesVietnamese());
}
m_glyphRange.clear();
glyphRangesBuilder.BuildRanges(&m_glyphRange);
}
bool build() const {
return m_fontAtlas->Build();
}
[[nodiscard]] ImFontAtlas* getAtlas() const {
return m_fontAtlas;
}
float calculateFontDescend(const ImHexApi::Fonts::Font &font, float fontSize) const {
auto atlas = std::make_unique<ImFontAtlas>();
auto cfg = m_config;
// Calculate the expected font size
auto size = fontSize;
if (font.defaultSize.has_value())
size = font.defaultSize.value() * std::floor(ImHexApi::Fonts::getFontSize() / ImHexApi::Fonts::DefaultFontSize);
else
size = std::max(1.0F, std::floor(size / ImHexApi::Fonts::DefaultFontSize)) * ImHexApi::Fonts::DefaultFontSize;
cfg.MergeMode = false;
cfg.SizePixels = size;
cfg.FontDataOwnedByAtlas = false;
// Construct a range that only contains the first glyph of the font
ImVector<ImWchar> queryRange;
{
auto firstGlyph = font.glyphRanges.empty() ? m_glyphRange.front() : font.glyphRanges.front().begin;
queryRange.push_back(firstGlyph);
queryRange.push_back(firstGlyph);
}
queryRange.push_back(0x00);
// Build the font atlas with the query range
auto newFont = atlas->AddFontFromMemoryTTF(const_cast<u8 *>(font.fontData.data()), int(font.fontData.size()), 0, &cfg, queryRange.Data);
atlas->Build();
return newFont->Descent;
}
void reset() {
IM_DELETE(m_fontAtlas);
m_fontAtlas = IM_NEW(ImFontAtlas);
m_fontData.clear();
m_config.MergeMode = false;
}
private:
ImFontAtlas* m_fontAtlas;
ImFontConfig m_config;
ImVector<ImWchar> m_glyphRange;
std::list<std::vector<u8>> m_fontData;
};
std::fs::path findCustomFontPath() {
// Find the custom font file specified in the settings
auto fontFile = ContentRegistry::Settings::read<std::fs::path>("hex.builtin.setting.font", "hex.builtin.setting.font.font_path", "");
if (!fontFile.empty()) {
if (!wolv::io::fs::exists(fontFile) || !wolv::io::fs::isRegularFile(fontFile)) {
log::warn("Custom font file {} not found! Falling back to default font.", wolv::util::toUTF8String(fontFile));
fontFile.clear();
}
log::info("Loading custom font from {}", wolv::util::toUTF8String(fontFile));
}
// If no custom font has been specified, search for a file called "font.ttf" in one of the resource folders
if (fontFile.empty()) {
for (const auto &dir : fs::getDefaultPaths(fs::ImHexPath::Resources)) {
auto path = dir / "font.ttf";
if (wolv::io::fs::exists(path)) {
log::info("Loading custom font from {}", wolv::util::toUTF8String(path));
fontFile = path;
break;
}
}
}
return fontFile;
}
float getFontSize() {
float fontSize = ImHexApi::Fonts::DefaultFontSize * ImHexApi::System::getGlobalScale();
// Fall back to the default font if the global scale is 0
if (fontSize == 0.0F)
fontSize = ImHexApi::Fonts::DefaultFontSize;
// If a custom font is used, adjust the font size
if (!ImHexApi::Fonts::getCustomFontPath().empty()) {
fontSize = float(ContentRegistry::Settings::read<int>("hex.builtin.setting.font", "hex.builtin.setting.font.font_size", 13)) * ImHexApi::System::getGlobalScale();
}
return fontSize;
}
}
bool buildFontAtlasImpl(bool loadUnicodeCharacters) {
static FontAtlas fontAtlas;
fontAtlas.reset();
// Check if Unicode support is enabled in the settings and that the user doesn't use the No GPU version on Windows
// The Mesa3D software renderer on Windows identifies itself as "VMware, Inc."
bool shouldLoadUnicode =
ContentRegistry::Settings::read<bool>("hex.builtin.setting.font", "hex.builtin.setting.font.load_all_unicode_chars", false) &&
ImHexApi::System::getGPUVendor() != "VMware, Inc.";
if (!loadUnicodeCharacters)
shouldLoadUnicode = false;
fontAtlas.enableUnicodeCharacters(shouldLoadUnicode);
// If a custom font is set in the settings, load the rest of the settings as well
if (ContentRegistry::Settings::read<bool>("hex.builtin.setting.font", "hex.builtin.setting.font.custom_font_enable", false)) {
fontAtlas.setBold(ContentRegistry::Settings::read<bool>("hex.builtin.setting.font", "hex.builtin.setting.font.font_bold", false));
fontAtlas.setItalic(ContentRegistry::Settings::read<bool>("hex.builtin.setting.font", "hex.builtin.setting.font.font_italic", false));
fontAtlas.setAntiAliasing(ContentRegistry::Settings::read<bool>("hex.builtin.setting.font", "hex.builtin.setting.font.font_antialias", true));
ImHexApi::Fonts::impl::setCustomFontPath(findCustomFontPath());
}
ImHexApi::Fonts::impl::setFontSize(getFontSize());
const auto fontSize = ImHexApi::Fonts::getFontSize();
const auto &customFontPath = ImHexApi::Fonts::getCustomFontPath();
// Try to load the custom font if one was set
std::optional<Font> defaultFont;
if (!customFontPath.empty()) {
defaultFont = fontAtlas.addFontFromFile(customFontPath, fontSize, ImVec2());
if (!fontAtlas.build()) {
log::error("Failed to load custom font '{}'! Falling back to default font", wolv::util::toUTF8String(customFontPath));
defaultFont.reset();
}
}
// If there's no custom font set, or it failed to load, fall back to the default font
if (!defaultFont.has_value()) {
defaultFont = fontAtlas.addDefaultFont();
if (!fontAtlas.build()) {
log::fatal("Failed to load default font!");
return false;
}
}
// Add all the built-in fonts
{
static std::list<ImVector<ImWchar>> glyphRanges;
glyphRanges.clear();
for (auto &font : ImHexApi::Fonts::impl::getFonts()) {
// Construct the glyph range for the font
ImVector<ImWchar> glyphRange;
if (!font.glyphRanges.empty()) {
for (const auto &range : font.glyphRanges) {
glyphRange.push_back(range.begin);
glyphRange.push_back(range.end);
}
glyphRange.push_back(0x00);
}
glyphRanges.push_back(glyphRange);
// Calculate the glyph offset for the font
ImVec2 offset = { font.offset.x, font.offset.y - defaultFont->getDescent() + fontAtlas.calculateFontDescend(font, fontSize) };
// Load the font
fontAtlas.addFontFromMemory(font.fontData, font.defaultSize.value_or(fontSize), offset, false, glyphRanges.back());
}
}
// Build the font atlas
const bool result = fontAtlas.build();
if (result) {
// Set the font atlas if the build was successful
ImHexApi::Fonts::impl::setFontAtlas(fontAtlas.getAtlas());
return true;
}
// If the build wasn't successful and Unicode characters are enabled, try again without them
// If they were disabled already, something went wrong, and we can't recover from it
if (!shouldLoadUnicode)
return false;
else
return buildFontAtlasImpl(false);
}
bool buildFontAtlas() {
return buildFontAtlasImpl(true);
}
}

2
plugins/fonts/source/fonts.cpp
View File

@ -9,7 +9,7 @@
namespace hex::fonts {
void loadFonts() {
void registerFonts() {
using namespace ImHexApi::Fonts;
/**

7
plugins/fonts/source/library_fonts.cpp
View File

@ -6,11 +6,14 @@
#include <romfs/romfs.hpp>
namespace hex::fonts {
void loadFonts();
void registerFonts();
bool buildFontAtlas();
}
IMHEX_LIBRARY_SETUP("Fonts") {
hex::log::debug("Using romfs: '{}'", romfs::name());
hex::fonts::loadFonts();
hex::ImHexApi::System::addStartupTask("Loading fonts", true, hex::fonts::buildFontAtlas);
hex::fonts::registerFonts();
}