From 59b1208321fdf06a6c0cb13cd7953724150267f3 Mon Sep 17 00:00:00 2001
From: dijunkun <junkun.di@hotmail.com>
Date: Fri, 15 Nov 2024 18:19:54 +0800
Subject: [PATCH] [feat] load different size fonts in initialization

---
 src/single_window/render.cpp | 40 ++++++++++++++++++++----------------
 src/single_window/render.h   | 15 +++++++++++++-
 2 files changed, 36 insertions(+), 19 deletions(-)

diff --git a/src/single_window/render.cpp b/src/single_window/render.cpp
index 0173dd1..a9fdb76 100644
--- a/src/single_window/render.cpp
+++ b/src/single_window/render.cpp
@@ -504,11 +504,9 @@ int Render::DestroyStreamWindow() {
   return 0;
 }
 
-int Render::SetupFontAndStyle() {
+int Render::SetupFontAndStyle(bool is_main_window) {
   // Setup Dear ImGui style
   ImGuiIO& io = ImGui::GetIO();
-  // Master keyboard navigation enable flag. Enable full Tabbing + directional
-  // arrows + space/enter to activate.
   io.ConfigFlags |=
       ImGuiConfigFlags_NavEnableKeyboard;  // Enable Keyboard Controls
   io.ConfigFlags |=
@@ -518,23 +516,29 @@ int Render::SetupFontAndStyle() {
   // Load Fonts
   ImFontConfig config;
   config.FontDataOwnedByAtlas = false;
-  io.Fonts->AddFontFromMemoryTTF(OPPOSans_Regular_ttf,
-                                 sizeof(OPPOSans_Regular_ttf), 32.0f, &config,
-                                 io.Fonts->GetGlyphRangesChineseFull());
-
+  (is_main_window ? font_size_32_main_ : font_size_32_sub_) =
+      io.Fonts->AddFontFromMemoryTTF(
+          OPPOSans_Regular_ttf, sizeof(OPPOSans_Regular_ttf), 32.0f, &config,
+          io.Fonts->GetGlyphRangesChineseFull());
   config.MergeMode = true;
-  config.GlyphMinAdvanceX =
-      13.0f;  // Use if you want to make the icon monospaced
+  (is_main_window ? font_size_25_main_ : font_size_25_sub_) =
+      io.Fonts->AddFontFromMemoryTTF(
+          OPPOSans_Regular_ttf, sizeof(OPPOSans_Regular_ttf), 25.0f, &config,
+          io.Fonts->GetGlyphRangesChineseFull());
+  (is_main_window ? font_size_16_main_ : font_size_16_sub_) =
+      io.Fonts->AddFontFromMemoryTTF(
+          OPPOSans_Regular_ttf, sizeof(OPPOSans_Regular_ttf), 16.0f, &config,
+          io.Fonts->GetGlyphRangesChineseFull());
+
   static const ImWchar icon_ranges[] = {ICON_MIN_FA, ICON_MAX_FA, 0};
-  // io.Fonts->AddFontFromMemoryTTF(fa_regular_400_ttf,
-  // sizeof(fa_regular_400_ttf),
-  //                                30.0f, &config, icon_ranges);
-  io.Fonts->AddFontFromMemoryTTF(fa_solid_900_ttf, sizeof(fa_solid_900_ttf),
-                                 30.0f, &config, icon_ranges);
+  (is_main_window ? icon_size_30_main_ : icon_size_30_sub_) =
+      io.Fonts->AddFontFromMemoryTTF(fa_solid_900_ttf, fa_solid_900_ttf_len,
+                                     30.0f, &config, icon_ranges);
+  (is_main_window ? icon_size_15_main_ : icon_size_15_sub_) =
+      io.Fonts->AddFontFromMemoryTTF(fa_solid_900_ttf, fa_solid_900_ttf_len,
+                                     15.0f, &config, icon_ranges);
 
   io.Fonts->Build();
-  // Setup Dear ImGui style
-  // ImGui::StyleColorsDark();
   ImGui::StyleColorsLight();
 
   return 0;
@@ -548,7 +552,7 @@ int Render::SetupMainWindow() {
 
   ImGui::SetCurrentContext(main_ctx_);
 
-  SetupFontAndStyle();
+  SetupFontAndStyle(true);
 
   SDL_GL_GetDrawableSize(main_window_, &main_window_width_real_,
                          &main_window_height_real_);
@@ -588,7 +592,7 @@ int Render::SetupStreamWindow() {
 
   ImGui::SetCurrentContext(stream_ctx_);
 
-  SetupFontAndStyle();
+  SetupFontAndStyle(false);
 
   SDL_GL_GetDrawableSize(stream_window_, &stream_window_width_real_,
                          &stream_window_height_real_);
diff --git a/src/single_window/render.h b/src/single_window/render.h
index 36c470f..4215df3 100644
--- a/src/single_window/render.h
+++ b/src/single_window/render.h
@@ -55,7 +55,7 @@ class Render {
   int DestroyMainWindow();
   int CreateStreamWindow();
   int DestroyStreamWindow();
-  int SetupFontAndStyle();
+  int SetupFontAndStyle(bool is_main_window);
   int SetupMainWindow();
   int DestroyMainWindowContext();
   int SetupStreamWindow();
@@ -353,6 +353,19 @@ class Render {
 
  private:
   bool settings_window_pos_reset_ = true;
+
+ private:
+  ImFont *font_size_32_main_ = nullptr;
+  ImFont *font_size_25_main_ = nullptr;
+  ImFont *font_size_16_main_ = nullptr;
+  ImFont *font_size_32_sub_ = nullptr;
+  ImFont *font_size_25_sub_ = nullptr;
+  ImFont *font_size_16_sub_ = nullptr;
+
+  ImFont *icon_size_30_main_ = nullptr;
+  ImFont *icon_size_15_main_ = nullptr;
+  ImFont *icon_size_30_sub_ = nullptr;
+  ImFont *icon_size_15_sub_ = nullptr;
 };
 
 #endif
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