Examples: Win32+DX9/DX10/DX11/DX12: made example DPI aware by default. (docking: partial support for multi-dpi by scaling fonts + viewports but not style)

Author: ocornut

examples/example_win32_directx10/main.cpp

@@ -70,6 +70,8 @@ int main(int, char**)
     ImGuiStyle& style = ImGui::GetStyle();
     style.FontScaleDpi = dpi_scale;
     style.ScaleAllSizes(dpi_scale);
+    io.ConfigDpiScaleFonts = true;          // [Experimental] Automatically overwrite style.FontScaleDpi when Monitor DPI changes. This will scale fonts but _NOT_ scale sizes/padding for now.
+    io.ConfigDpiScaleViewports = true;      // [Experimental] Scale Dear ImGui and Platform Windows when Monitor DPI changes.
 
     // When viewports are enabled we tweak WindowRounding/WindowBg so platform windows can look identical to regular ones.
     if (io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)

examples/example_win32_directx11/main.cpp

@@ -73,6 +73,8 @@ int main(int, char**)
     ImGuiStyle& style = ImGui::GetStyle();
     style.FontScaleDpi = dpi_scale;
     style.ScaleAllSizes(dpi_scale);
+    io.ConfigDpiScaleFonts = true;          // [Experimental] Automatically overwrite style.FontScaleDpi when Monitor DPI changes. This will scale fonts but _NOT_ scale sizes/padding for now.
+    io.ConfigDpiScaleViewports = true;      // [Experimental] Scale Dear ImGui and Platform Windows when Monitor DPI changes.
 
     // When viewports are enabled we tweak WindowRounding/WindowBg so platform windows can look identical to regular ones.
     if (io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)

examples/example_win32_directx12/main.cpp

@@ -149,6 +149,8 @@ int main(int, char**)
     ImGuiStyle& style = ImGui::GetStyle();
     style.FontScaleDpi = dpi_scale;
     style.ScaleAllSizes(dpi_scale);
+    io.ConfigDpiScaleFonts = true;          // [Experimental] Automatically overwrite style.FontScaleDpi when Monitor DPI changes. This will scale fonts but _NOT_ scale sizes/padding for now.
+    io.ConfigDpiScaleViewports = true;      // [Experimental] Scale Dear ImGui and Platform Windows when Monitor DPI changes.
 
     // When viewports are enabled we tweak WindowRounding/WindowBg so platform windows can look identical to regular ones.
     if (io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)

examples/example_win32_directx9/main.cpp

@@ -68,6 +68,8 @@ int main(int, char**)
     ImGuiStyle& style = ImGui::GetStyle();
     style.FontScaleDpi = dpi_scale;
     style.ScaleAllSizes(dpi_scale);
+    io.ConfigDpiScaleFonts = true;          // [Experimental] Automatically overwrite style.FontScaleDpi when Monitor DPI changes. This will scale fonts but _NOT_ scale sizes/padding for now.
+    io.ConfigDpiScaleViewports = true;      // [Experimental] Scale Dear ImGui and Platform Windows when Monitor DPI changes.
 
     // When viewports are enabled we tweak WindowRounding/WindowBg so platform windows can look identical to regular ones.
     if (io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)