From b948b76c8ea5ec57b6a424baa1b117c0025c0328 Mon Sep 17 00:00:00 2001 From: Miodrag Milanovic Date: Sun, 21 Oct 2018 09:28:35 +0200 Subject: add imgui library --- .../imgui/examples/example_win32_directx9/main.cpp | 204 +++++++++++++++++++++ 1 file changed, 204 insertions(+) create mode 100644 3rdparty/imgui/examples/example_win32_directx9/main.cpp (limited to '3rdparty/imgui/examples/example_win32_directx9/main.cpp') diff --git a/3rdparty/imgui/examples/example_win32_directx9/main.cpp b/3rdparty/imgui/examples/example_win32_directx9/main.cpp new file mode 100644 index 00000000..7e5b957a --- /dev/null +++ b/3rdparty/imgui/examples/example_win32_directx9/main.cpp @@ -0,0 +1,204 @@ +// dear imgui: standalone example application for DirectX 9 +// If you are new to dear imgui, see examples/README.txt and documentation at the top of imgui.cpp. + +#include "imgui.h" +#include "imgui_impl_dx9.h" +#include "imgui_impl_win32.h" +#include +#define DIRECTINPUT_VERSION 0x0800 +#include +#include + +// Data +static LPDIRECT3DDEVICE9 g_pd3dDevice = NULL; +static D3DPRESENT_PARAMETERS g_d3dpp; + +extern LRESULT ImGui_ImplWin32_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam); +LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) +{ + if (ImGui_ImplWin32_WndProcHandler(hWnd, msg, wParam, lParam)) + return true; + + switch (msg) + { + case WM_SIZE: + if (g_pd3dDevice != NULL && wParam != SIZE_MINIMIZED) + { + ImGui_ImplDX9_InvalidateDeviceObjects(); + g_d3dpp.BackBufferWidth = LOWORD(lParam); + g_d3dpp.BackBufferHeight = HIWORD(lParam); + HRESULT hr = g_pd3dDevice->Reset(&g_d3dpp); + if (hr == D3DERR_INVALIDCALL) + IM_ASSERT(0); + ImGui_ImplDX9_CreateDeviceObjects(); + } + return 0; + case WM_SYSCOMMAND: + if ((wParam & 0xfff0) == SC_KEYMENU) // Disable ALT application menu + return 0; + break; + case WM_DESTROY: + PostQuitMessage(0); + return 0; + } + return DefWindowProc(hWnd, msg, wParam, lParam); +} + +int main(int, char**) +{ + // Create application window + WNDCLASSEX wc = { sizeof(WNDCLASSEX), CS_CLASSDC, WndProc, 0L, 0L, GetModuleHandle(NULL), NULL, NULL, NULL, NULL, _T("ImGui Example"), NULL }; + RegisterClassEx(&wc); + HWND hwnd = CreateWindow(_T("ImGui Example"), _T("Dear ImGui DirectX9 Example"), WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, NULL, NULL, wc.hInstance, NULL); + + // Initialize Direct3D + LPDIRECT3D9 pD3D; + if ((pD3D = Direct3DCreate9(D3D_SDK_VERSION)) == NULL) + { + UnregisterClass(_T("ImGui Example"), wc.hInstance); + return 0; + } + ZeroMemory(&g_d3dpp, sizeof(g_d3dpp)); + g_d3dpp.Windowed = TRUE; + g_d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD; + g_d3dpp.BackBufferFormat = D3DFMT_UNKNOWN; + g_d3dpp.EnableAutoDepthStencil = TRUE; + g_d3dpp.AutoDepthStencilFormat = D3DFMT_D16; + g_d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_ONE; // Present with vsync + //g_d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE; // Present without vsync, maximum unthrottled framerate + + // Create the D3DDevice + if (pD3D->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hwnd, D3DCREATE_HARDWARE_VERTEXPROCESSING, &g_d3dpp, &g_pd3dDevice) < 0) + { + pD3D->Release(); + UnregisterClass(_T("ImGui Example"), wc.hInstance); + return 0; + } + + // Setup Dear ImGui binding + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + ImGui_ImplWin32_Init(hwnd); + ImGui_ImplDX9_Init(g_pd3dDevice); + + // Setup style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsClassic(); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return NULL. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Read 'misc/fonts/README.txt' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/ProggyTiny.ttf", 10.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != NULL); + + bool show_demo_window = true; + bool show_another_window = false; + ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // Main loop + MSG msg; + ZeroMemory(&msg, sizeof(msg)); + ShowWindow(hwnd, SW_SHOWDEFAULT); + UpdateWindow(hwnd); + while (msg.message != WM_QUIT) + { + // Poll and handle messages (inputs, window resize, etc.) + // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. + // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. + // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. + // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. + if (PeekMessage(&msg, NULL, 0U, 0U, PM_REMOVE)) + { + TranslateMessage(&msg); + DispatchMessage(&msg); + continue; + } + + // Start the Dear ImGui frame + ImGui_ImplDX9_NewFrame(); + ImGui_ImplWin32_NewFrame(); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to created a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::EndFrame(); + g_pd3dDevice->SetRenderState(D3DRS_ZENABLE, false); + g_pd3dDevice->SetRenderState(D3DRS_ALPHABLENDENABLE, false); + g_pd3dDevice->SetRenderState(D3DRS_SCISSORTESTENABLE, false); + D3DCOLOR clear_col_dx = D3DCOLOR_RGBA((int)(clear_color.x*255.0f), (int)(clear_color.y*255.0f), (int)(clear_color.z*255.0f), (int)(clear_color.w*255.0f)); + g_pd3dDevice->Clear(0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, clear_col_dx, 1.0f, 0); + if (g_pd3dDevice->BeginScene() >= 0) + { + ImGui::Render(); + ImGui_ImplDX9_RenderDrawData(ImGui::GetDrawData()); + g_pd3dDevice->EndScene(); + } + HRESULT result = g_pd3dDevice->Present(NULL, NULL, NULL, NULL); + + // Handle loss of D3D9 device + if (result == D3DERR_DEVICELOST && g_pd3dDevice->TestCooperativeLevel() == D3DERR_DEVICENOTRESET) + { + ImGui_ImplDX9_InvalidateDeviceObjects(); + g_pd3dDevice->Reset(&g_d3dpp); + ImGui_ImplDX9_CreateDeviceObjects(); + } + } + + ImGui_ImplDX9_Shutdown(); + ImGui_ImplWin32_Shutdown(); + ImGui::DestroyContext(); + + if (g_pd3dDevice) g_pd3dDevice->Release(); + if (pD3D) pD3D->Release(); + DestroyWindow(hwnd); + UnregisterClass(_T("ImGui Example"), wc.hInstance); + + return 0; +} -- cgit v1.2.3