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[feat] unify UI font loading across platforms and prefer PingFang on macOS

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dijunkun
2026-03-19 21:58:14 +08:00
parent 9270d528e3
commit 2f26334775
1 changed files with 35 additions and 56 deletions
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91
src/gui/render.cpp
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@@ -14,7 +14,6 @@
#include <string>
#include <thread>
#include "OPPOSans_Regular.h"
#include "clipboard.h"
#include "device_controller_factory.h"
#include "fa_regular_400.h"
@@ -1231,9 +1230,40 @@ int Render::SetupFontAndStyle(ImFont** system_chinese_font_out) {
*system_chinese_font_out = nullptr;
}
ImFont* ui_font = io.Fonts->AddFontFromMemoryTTF(
OPPOSans_Regular_ttf, OPPOSans_Regular_ttf_len, font_size, &config,
io.Fonts->GetGlyphRangesDefault());
ImFont* ui_font = nullptr;
const ImWchar* multilingual_ranges = GetMultilingualGlyphRanges();
#if defined(_WIN32)
const char* base_font_paths[] = {
"C:/Windows/Fonts/msyh.ttc", "C:/Windows/Fonts/msyhbd.ttc",
"C:/Windows/Fonts/segoeui.ttf", "C:/Windows/Fonts/arial.ttf",
"C:/Windows/Fonts/simsun.ttc", nullptr};
#elif defined(__APPLE__)
const char* base_font_paths[] = {
"/System/Library/Fonts/PingFang.ttc",
"/System/Library/Fonts/Supplemental/Arial Unicode.ttf",
"/System/Library/Fonts/Supplemental/Arial.ttf",
"/System/Library/Fonts/SFNS.ttf", nullptr};
#else
const char* base_font_paths[] = {
"/usr/share/fonts/truetype/noto/NotoSansCJK-Regular.ttc",
"/usr/share/fonts/truetype/noto/NotoSans-Regular.ttf",
"/usr/share/fonts/truetype/wqy/wqy-microhei.ttc",
"/usr/share/fonts/truetype/wqy/wqy-zenhei.ttc",
"/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf",
nullptr};
#endif
for (int i = 0; base_font_paths[i] != nullptr && ui_font == nullptr; ++i) {
if (!CanReadFontFile(base_font_paths[i])) {
continue;
}
ui_font = io.Fonts->AddFontFromFileTTF(base_font_paths[i], font_size,
&config, multilingual_ranges);
if (ui_font != nullptr) {
LOG_INFO("Loaded base UI font: {}", base_font_paths[i]);
}
}
if (!ui_font) {
ui_font = io.Fonts->AddFontDefault(&config);
}
@@ -1250,59 +1280,8 @@ int Render::SetupFontAndStyle(ImFont** system_chinese_font_out) {
io.Fonts->AddFontFromMemoryTTF(fa_solid_900_ttf, fa_solid_900_ttf_len,
font_size, &icon_config, icon_ranges);
#if defined(_WIN32)
// Cover CJK + Cyrillic on Windows.
const char* fallback_font_paths[] = {
"C:/Windows/Fonts/msyh.ttc", "C:/Windows/Fonts/msyhbd.ttc",
"C:/Windows/Fonts/simsun.ttc", "C:/Windows/Fonts/arial.ttf",
"C:/Windows/Fonts/segoeui.ttf", nullptr};
#elif defined(__APPLE__)
// Cover CJK + Cyrillic on macOS.
const char* fallback_font_paths[] = {
"/System/Library/Fonts/PingFang.ttc",
"/System/Library/Fonts/Hiragino Sans GB.ttc",
"/System/Library/Fonts/Supplemental/Arial Unicode.ttf",
"/System/Library/Fonts/Supplemental/Arial.ttf", nullptr};
#else
// Cover CJK + Cyrillic on Linux.
const char* fallback_font_paths[] = {
"/usr/share/fonts/truetype/wqy/wqy-microhei.ttc",
"/usr/share/fonts/truetype/wqy/wqy-zenhei.ttc",
"/usr/share/fonts/truetype/noto/NotoSansCJK-Regular.ttc",
"/usr/share/fonts/truetype/noto/NotoSans-Regular.ttf",
"/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf",
nullptr};
#endif
ImFontConfig fallback_config = config;
fallback_config.MergeMode = true;
const ImWchar* multilingual_ranges = GetMultilingualGlyphRanges();
bool merged_multilingual_font = false;
for (int i = 0; fallback_font_paths[i] != nullptr; ++i) {
const char* font_path = fallback_font_paths[i];
if (!CanReadFontFile(font_path)) {
continue;
}
ImFont* merged_font = io.Fonts->AddFontFromFileTTF(
font_path, font_size, &fallback_config, multilingual_ranges);
if (merged_font != nullptr) {
merged_multilingual_font = true;
if (system_chinese_font_out && *system_chinese_font_out == nullptr) {
*system_chinese_font_out = merged_font;
}
LOG_INFO("Merged multilingual fallback font: {}", font_path);
}
}
if (!merged_multilingual_font) {
LOG_WARN(
"No multilingual fallback fonts found, non-ASCII text may not render");
}
io.FontDefault = ui_font;
if (system_chinese_font_out && *system_chinese_font_out == nullptr) {
if (system_chinese_font_out) {
*system_chinese_font_out = ui_font;
}