Removed PixelCenterOffset, uncesssary

examples/directx9_example/main.cpp

@@ -25,7 +25,6 @@ struct CUSTOMVERTEX
 // This is the main rendering function that you have to implement and provide to ImGui (via setting up 'RenderDrawListsFn' in the ImGuiIO structure)
 // If text or lines are blurry when integrating ImGui in your engine:
 // - in your Render function, try translating your projection matrix by (0.5f,0.5f) or (0.375f,0.375f)
-// - try adjusting ImGui::GetIO().PixelCenterOffset to 0.5f or 0.375f
 static void ImImpl_RenderDrawLists(ImDrawList** const cmd_lists, int cmd_lists_count)
 {
     size_t total_vtx_count = 0;
@@ -212,7 +211,6 @@ void InitImGui()
     ImGuiIO& io = ImGui::GetIO();
     io.DisplaySize = ImVec2((float)display_w, (float)display_h);   // Display size, in pixels. For clamping windows positions.
     io.DeltaTime = 1.0f/60.0f;                                     // Time elapsed since last frame, in seconds (in this sample app we'll override this every frame because our time step is variable)
-    io.PixelCenterOffset = 0.0f;                                   // Align Direct3D Texels
     io.KeyMap[ImGuiKey_Tab] = VK_TAB;                              // Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array that we will update during the application lifetime.
     io.KeyMap[ImGuiKey_LeftArrow] = VK_LEFT;
     io.KeyMap[ImGuiKey_RightArrow] = VK_RIGHT;