mirror of
https://github.com/Drezil/imgui.git
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153 lines
5.7 KiB
C++
153 lines
5.7 KiB
C++
// ImGui - standalone example application for DirectX 9
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#include <imgui.h>
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#include "imgui_impl_dx9.h"
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#include <d3dx9.h>
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#define DIRECTINPUT_VERSION 0x0800
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#include <dinput.h>
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// Data
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static LPDIRECT3DDEVICE9 g_pd3dDevice = NULL;
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static D3DPRESENT_PARAMETERS g_d3dpp;
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extern LRESULT ImGui_ImplDX9_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
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LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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if (ImGui_ImplDX9_WndProcHandler(hWnd, msg, wParam, lParam))
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return true;
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switch (msg)
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{
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case WM_SIZE:
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if (g_pd3dDevice != NULL && wParam != SIZE_MINIMIZED)
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{
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ImGui_ImplDX9_InvalidateDeviceObjects();
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g_d3dpp.BackBufferWidth = LOWORD(lParam);
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g_d3dpp.BackBufferHeight = HIWORD(lParam);
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HRESULT hr = g_pd3dDevice->Reset(&g_d3dpp);
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if (hr == D3DERR_INVALIDCALL)
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IM_ASSERT(0);
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ImGui_ImplDX9_CreateDeviceObjects();
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}
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return 0;
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case WM_SYSCOMMAND:
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if ((wParam & 0xfff0) == SC_KEYMENU) // Disable ALT application menu
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return 0;
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break;
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case WM_DESTROY:
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PostQuitMessage(0);
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return 0;
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}
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return DefWindowProc(hWnd, msg, wParam, lParam);
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}
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int main(int, char**)
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{
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// Create application window
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WNDCLASSEX wc = { sizeof(WNDCLASSEX), CS_CLASSDC, WndProc, 0L, 0L, GetModuleHandle(NULL), NULL, LoadCursor(NULL, IDC_ARROW), NULL, NULL, L"ImGui Example", NULL };
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RegisterClassEx(&wc);
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HWND hwnd = CreateWindow(L"ImGui Example", L"ImGui DirectX9 Example", WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, NULL, NULL, wc.hInstance, NULL);
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// Initialize Direct3D
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LPDIRECT3D9 pD3D;
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if ((pD3D = Direct3DCreate9(D3D_SDK_VERSION)) == NULL)
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{
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UnregisterClass(L"ImGui Example", wc.hInstance);
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return 0;
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}
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ZeroMemory(&g_d3dpp, sizeof(g_d3dpp));
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g_d3dpp.Windowed = TRUE;
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g_d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
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g_d3dpp.BackBufferFormat = D3DFMT_UNKNOWN;
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g_d3dpp.EnableAutoDepthStencil = TRUE;
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g_d3dpp.AutoDepthStencilFormat = D3DFMT_D16;
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g_d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE;
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// Create the D3DDevice
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if (pD3D->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hwnd, D3DCREATE_HARDWARE_VERTEXPROCESSING, &g_d3dpp, &g_pd3dDevice) < 0)
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{
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pD3D->Release();
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UnregisterClass(L"ImGui Example", wc.hInstance);
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return 0;
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}
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// Setup ImGui binding
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ImGui_ImplDX9_Init(hwnd, g_pd3dDevice);
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//ImGuiIO& io = ImGui::GetIO();
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//ImFont* my_font0 = io.Fonts->AddFontDefault();
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//ImFont* my_font1 = io.Fonts->AddFontFromFileTTF("../../extra_fonts/DroidSans.ttf", 16.0f);
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//ImFont* my_font2 = io.Fonts->AddFontFromFileTTF("../../extra_fonts/Karla-Regular.ttf", 16.0f);
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//ImFont* my_font3 = io.Fonts->AddFontFromFileTTF("../../extra_fonts/ProggyClean.ttf", 13.0f); my_font3->DisplayOffset.y += 1;
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//ImFont* my_font4 = io.Fonts->AddFontFromFileTTF("../../extra_fonts/ProggyTiny.ttf", 10.0f); my_font4->DisplayOffset.y += 1;
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//ImFont* my_font5 = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, io.Fonts->GetGlyphRangesJapanese());
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ShowWindow(hwnd, SW_SHOWDEFAULT);
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UpdateWindow(hwnd);
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bool show_test_window = true;
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bool show_another_window = false;
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ImVec4 clear_col = ImColor(114, 144, 154);
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// Main loop
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MSG msg;
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ZeroMemory(&msg, sizeof(msg));
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while (msg.message != WM_QUIT)
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{
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if (PeekMessage(&msg, NULL, 0U, 0U, PM_REMOVE))
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{
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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continue;
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}
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ImGui_ImplDX9_NewFrame();
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// 1. Show a simple window
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// Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets appears in a window automatically called "Debug"
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{
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static float f = 0.0f;
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ImGui::Text("Hello, world!");
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ImGui::SliderFloat("float", &f, 0.0f, 1.0f);
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ImGui::ColorEdit3("clear color", (float*)&clear_col);
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if (ImGui::Button("Test Window")) show_test_window ^= 1;
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if (ImGui::Button("Another Window")) show_another_window ^= 1;
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ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate);
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}
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// 2. Show another simple window, this time using an explicit Begin/End pair
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if (show_another_window)
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{
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ImGui::SetNextWindowSize(ImVec2(200,100), ImGuiSetCond_FirstUseEver);
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ImGui::Begin("Another Window", &show_another_window);
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ImGui::Text("Hello");
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ImGui::End();
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}
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// 3. Show the ImGui test window. Most of the sample code is in ImGui::ShowTestWindow()
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if (show_test_window)
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{
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ImGui::SetNextWindowPos(ImVec2(650, 20), ImGuiSetCond_FirstUseEver);
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ImGui::ShowTestWindow(&show_test_window);
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}
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// Rendering
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g_pd3dDevice->SetRenderState(D3DRS_ZENABLE, false);
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g_pd3dDevice->SetRenderState(D3DRS_ALPHABLENDENABLE, false);
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g_pd3dDevice->SetRenderState(D3DRS_SCISSORTESTENABLE, false);
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D3DCOLOR clear_col_dx = D3DCOLOR_RGBA((int)(clear_col.x*255.0f), (int)(clear_col.y*255.0f), (int)(clear_col.z*255.0f), (int)(clear_col.w*255.0f));
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g_pd3dDevice->Clear(0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, clear_col_dx, 1.0f, 0);
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if (g_pd3dDevice->BeginScene() >= 0)
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{
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ImGui::Render();
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g_pd3dDevice->EndScene();
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}
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g_pd3dDevice->Present(NULL, NULL, NULL, NULL);
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}
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ImGui_ImplDX9_Shutdown();
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if (g_pd3dDevice) g_pd3dDevice->Release();
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if (pD3D) pD3D->Release();
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UnregisterClass(L"ImGui Example", wc.hInstance);
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return 0;
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}
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