Examples: Win32+DX9/DX10/DX11/DX12, SDL2+DX11/OpenGL2/OpenGL3/SDLRenderer/Vulkan, SDL3+OpenGL/SDLGPU/SDLRenderer/Vulkan: made example DPI aware by default. (master + docking: partial support for multi-dpi by scaling fonts + viewports but not style)

We don't bother with WIN32_LEAN_AND_MEAN.

# Conflicts:
#	examples/example_glfw_opengl3/main.cpp
#	examples/example_sdl2_directx11/main.cpp
#	examples/example_sdl2_opengl2/main.cpp
#	examples/example_sdl2_opengl3/main.cpp
#	examples/example_sdl2_vulkan/main.cpp
#	examples/example_sdl3_opengl3/main.cpp
#	examples/example_sdl3_sdlgpu3/main.cpp
#	examples/example_sdl3_vulkan/main.cpp
#	examples/example_win32_directx10/main.cpp
#	examples/example_win32_directx11/main.cpp
#	examples/example_win32_directx12/main.cpp
#	examples/example_win32_directx9/main.cpp
This commit is contained in:
ocornut
2025-06-02 15:32:54 +02:00
parent b98e92839c
commit bc394410a2
14 changed files with 137 additions and 18 deletions

View File

@@ -28,11 +28,14 @@ LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
// Main code
int main(int, char**)
{
// Make process DPI aware and obtain main monitor scale
ImGui_ImplWin32_EnableDpiAwareness();
float main_scale = ImGui_ImplWin32_GetDpiScaleForMonitor(::MonitorFromPoint(POINT{ 0, 0 }, MONITOR_DEFAULTTOPRIMARY));
// Create application window
//ImGui_ImplWin32_EnableDpiAwareness();
WNDCLASSEXW wc = { sizeof(wc), CS_CLASSDC, WndProc, 0L, 0L, GetModuleHandle(nullptr), nullptr, nullptr, nullptr, nullptr, L"ImGui Example", nullptr };
::RegisterClassExW(&wc);
HWND hwnd = ::CreateWindowW(wc.lpszClassName, L"Dear ImGui DirectX9 Example", WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, nullptr, nullptr, wc.hInstance, nullptr);
HWND hwnd = ::CreateWindowW(wc.lpszClassName, L"Dear ImGui DirectX9 Example", WS_OVERLAPPEDWINDOW, 100, 100, (int)(1280 * main_scale), (int)(800 * main_scale), nullptr, nullptr, wc.hInstance, nullptr);
// Initialize Direct3D
if (!CreateDeviceD3D(hwnd))
@@ -57,6 +60,11 @@ int main(int, char**)
ImGui::StyleColorsDark();
//ImGui::StyleColorsLight();
// Setup scaling
ImGuiStyle& style = ImGui::GetStyle();
style.ScaleAllSizes(main_scale); // Bake a fixed style scale. (until we have a solution for dynamic style scaling, changing this requires resetting Style + calling this again)
style.FontScaleDpi = main_scale; // Set initial font scale. (using io.ConfigDpiScaleFonts=true makes this unnecessary. We leave both here for documentation purpose)
// Setup Platform/Renderer backends
ImGui_ImplWin32_Init(hwnd);
ImGui_ImplDX9_Init(g_pd3dDevice);