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  1. //-----------------------------------------------------------------------------
  2. // File: CreateDevice.cpp
  3. //
  4. // Desc: This is the first tutorial for using Direct3D. In this tutorial, all
  5. //       we are doing is creating a Direct3D device and using it to clear the
  6. //       window.
  7. //
  8. // Copyright (c) Microsoft Corporation. All rights reserved.
  9. //-----------------------------------------------------------------------------
  10. #include "stdafx.h"
  11. #include <Windows.h>
  12. #include <mmsystem.h>
  13. #include <d3dx9.h>
  14. #include <string>
  15.  
  16.  
  17.  
  18. //-----------------------------------------------------------------------------
  19. // Global variables
  20. //-----------------------------------------------------------------------------
  21. LPDIRECT3D9             g_pD3D       = NULL; // Used to create the D3DDevice
  22. LPDIRECT3DDEVICE9       g_pd3dDevice = NULL; // Our rendering device
  23. LPD3DXFONT              g_font       = NULL;
  24.  
  25.  
  26.  
  27. //-----------------------------------------------------------------------------
  28. // Name: InitD3D()
  29. // Desc: Initializes Direct3D
  30. //-----------------------------------------------------------------------------
  31. HRESULT InitD3D( HWND hWnd )
  32. {
  33.     // Create the D3D object, which is needed to create the D3DDevice.
  34.     if( NULL == ( g_pD3D = Direct3DCreate9( D3D_SDK_VERSION ) ) )
  35.         return E_FAIL;
  36.  
  37.     //Fill out the D3DPRESENT_PARAMETERS structure.
  38.     	D3DPRESENT_PARAMETERS d3dpp; 
  39.     ZeroMemory( &d3dpp, sizeof(d3dpp) );
  40.     d3dpp.Windowed = TRUE;
  41.     d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
  42.     d3dpp.BackBufferFormat = D3DFMT_UNKNOWN;
  43.  
  44.     // Create the Direct3D device. 
  45.     if( FAILED( g_pD3D->CreateDevice( D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hWnd,
  46.                                       D3DCREATE_SOFTWARE_VERTEXPROCESSING,
  47.                                       &d3dpp, &g_pd3dDevice ) ) )
  48.     {
  49.         return E_FAIL;
  50.     }
  51.  
  52.     // Device state would normally be set here
  53.  
  54.     return S_OK;
  55. }
  56.  
  57.  
  58.  
  59.  
  60. //-----------------------------------------------------------------------------
  61. // Name: Cleanup()
  62. // Desc: Releases all previously initialized objects
  63. //-----------------------------------------------------------------------------
  64. VOID Cleanup()
  65. {
  66.     if( g_pd3dDevice != NULL) 
  67.         g_pd3dDevice->Release();
  68.  
  69.     if( g_pD3D != NULL)
  70.         g_pD3D->Release();
  71.  
  72. 	if(g_font != NULL)
  73. 		g_font->Release();
  74. }
  75.  
  76.  
  77.  
  78.  
  79. //-----------------------------------------------------------------------------
  80. // Name: Render()
  81. // Desc: Draws the scene
  82. //-----------------------------------------------------------------------------
  83. VOID Render()
  84. {
  85.     if( NULL == g_pd3dDevice )
  86.         return;
  87.  
  88.     // Clear the backbuffer to a blue color
  89.     g_pd3dDevice->Clear( 0, NULL, D3DCLEAR_TARGET, D3DCOLOR_XRGB(0,0,255), 1.0f, 0 );
  90.  
  91.     // Begin the scene
  92.     if( SUCCEEDED( g_pd3dDevice->BeginScene() ) )
  93.     {
  94.         // 填充D3DXFONT_DESC結構體
  95.         D3DXFONT_DESC df;
  96. 		ZeroMemory(&df,sizeof(D3DXFONT_DESC));
  97.         df.Height = 25;
  98. 		df.Width = 12;
  99. 		df.Weight = 100;
  100. 		df.MipLevels = D3DX_DEFAULT;
  101.         df.Italic = false;
  102.         df.CharSet = DEFAULT_CHARSET;
  103. 		df.Quality = 0;
  104. 		df.PitchAndFamily = 0;
  105. 		strcpy(df.FaceName,"Times New Roman");
  106.         //創建ID3DXFont 接口對象
  107. 		D3DXCreateFontIndirect(g_pd3dDevice,&df,&g_font);
  108. 		//居中繪制文本
  109. 		RECT g_FontPosition = {0, 0, 300, 300};		
  110. 		g_font->DrawText(NULL,"Hello World",-1,&g_FontPosition,
  111. 			                  DT_CENTER|DT_VCENTER,D3DCOLOR_XRGB(255,255,255));
  112.         // End the scene
  113.         g_pd3dDevice->EndScene();
  114.     }
  115.  
  116.     // Present the backbuffer contents to the display
  117.     g_pd3dDevice->Present( NULL, NULL, NULL, NULL );
  118. }
  119.  
  120.  
  121.  
  122.  
  123. //-----------------------------------------------------------------------------
  124. // Name: MsgProc()
  125. // Desc: The window's message handler
  126. //-----------------------------------------------------------------------------
  127. LRESULT WINAPI MsgProc( HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam )
  128. {
  129.     switch( msg )
  130.     {
  131.         case WM_DESTROY:
  132.             Cleanup();
  133.             PostQuitMessage( 0 );
  134.             return 0;
  135.  
  136.         case WM_PAINT:
  137.             Render();
  138.             ValidateRect( hWnd, NULL );
  139.             return 0;
  140.     }
  141.  
  142.     return DefWindowProc( hWnd, msg, wParam, lParam );
  143. }
  144.  
  145.  
  146.  
  147.  
  148. //-----------------------------------------------------------------------------
  149. // Name: WinMain()
  150. // Desc: The application's entry point
  151. //-----------------------------------------------------------------------------
  152. INT WINAPI WinMain( HINSTANCE hInst, HINSTANCE, LPSTR, INT )
  153. {
  154.     // Register the window class
  155.     WNDCLASSEX wc = { sizeof(WNDCLASSEX), CS_CLASSDC, MsgProc, 0L, 0L, 
  156.                       GetModuleHandle(NULL), NULL, NULL, NULL, NULL,
  157.                       "D3D Tutorial", NULL };
  158.     RegisterClassEx( &wc );
  159.  
  160.     // Create the application's window
  161.     HWND hWnd = CreateWindow( "D3D Tutorial", "D3D Tutorial 01: CreateDevice", 
  162.                               WS_OVERLAPPEDWINDOW, 100, 100, 300, 300,
  163.                               GetDesktopWindow(), NULL, wc.hInstance, NULL );
  164.  
  165.     // Initialize Direct3D
  166.     if( SUCCEEDED( InitD3D( hWnd ) ) )
  167.     { 
  168.         // Show the window
  169.         ShowWindow( hWnd, SW_SHOWDEFAULT );
  170.         UpdateWindow( hWnd );
  171.  
  172.         // Enter the message loop
  173.         MSG msg; 
  174.         while( GetMessage( &msg, NULL, 0, 0 ) )
  175.         {
  176.             TranslateMessage( &msg );
  177.             DispatchMessage( &msg );
  178.         }
  179.     }
  180.  
  181.     UnregisterClass( "D3D Tutorial", wc.hInstance );
  182.     return 0;
  183. }
  184.  
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#include <Windows.h>
#include <mmsystem.h>
#include <d3dx9.h>
#include <string>
 
 
 
//-----------------------------------------------------------------------------
// Global variables
//-----------------------------------------------------------------------------
LPDIRECT3D9             g_pD3D       = NULL; // Used to create the D3DDevice
LPDIRECT3DDEVICE9       g_pd3dDevice = NULL; // Our rendering device
LPD3DXFONT              g_font       = NULL;
 
 
//-----------------------------------------------------------------------------
// Name: InitD3D()
// Desc: Initializes Direct3D
//-----------------------------------------------------------------------------
HRESULT InitD3D( HWND hWnd )
{
    // Create the D3D object, which is needed to create the D3DDevice.
    if( NULL == ( g_pD3D = Direct3DCreate9( D3D_SDK_VERSION ) ) )
        return E_FAIL;
 
    //Fill out the D3DPRESENT_PARAMETERS structure.
        D3DPRESENT_PARAMETERS d3dpp; 
    ZeroMemory( &d3dpp, sizeof(d3dpp) );
    d3dpp.Windowed = TRUE;
    d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
    d3dpp.BackBufferFormat = D3DFMT_UNKNOWN;
 
    // Create the Direct3D device. 
    if( FAILED( g_pD3D->CreateDevice( D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hWnd,
                                      D3DCREATE_SOFTWARE_VERTEXPROCESSING,
                                      &d3dpp, &g_pd3dDevice ) ) )
    {
        return E_FAIL;
    }
 
    // Device state would normally be set here
 
    return S_OK;
}
 
 
 
 
//-----------------------------------------------------------------------------
// Name: Cleanup()
// Desc: Releases all previously initialized objects
//-----------------------------------------------------------------------------
VOID Cleanup()
{
    if( g_pd3dDevice != NULL) 
        g_pd3dDevice->Release();
 
    if( g_pD3D != NULL)
        g_pD3D->Release();
 
        if(g_font != NULL)
                g_font->Release();
}
 
 
 
 
//-----------------------------------------------------------------------------
// Name: Render()
// Desc: Draws the scene
//-----------------------------------------------------------------------------
VOID Render()
{
    if( NULL == g_pd3dDevice )
        return;
    // Clear the backbuffer to a blue color
    g_pd3dDevice->Clear( 0, NULL, D3DCLEAR_TARGET, D3DCOLOR_XRGB(0,0,255), 1.0f, 0 );
    
    // Begin the scene
    if( SUCCEEDED( g_pd3dDevice->BeginScene() ) )
    {
		

        // 填充D3DXFONT_DESC結構體
        D3DXFONT_DESC df;
                ZeroMemory(&df,sizeof(D3DXFONT_DESC));
        df.Height = 25;
                df.Width = 12;
                df.Weight = 100;
                df.MipLevels = D3DX_DEFAULT;
        df.Italic = false;
        df.CharSet = DEFAULT_CHARSET;
                df.Quality = 0;
                df.PitchAndFamily = 0;
				wcscpy(df.FaceName,L"Times New Roman");
        //創建ID3DXFont 接口對象
                D3DXCreateFontIndirect(g_pd3dDevice,&df,&g_font);
                //居中繪制文本
                RECT g_FontPosition = {0, 0, 300, 300};         
                g_font->DrawText(NULL,L"Hello World",-1,&g_FontPosition,
                                          DT_CENTER|DT_VCENTER,D3DCOLOR_XRGB(255,255,255));

        // End the scene
        g_pd3dDevice->EndScene();
    }
 
    // Present the backbuffer contents to the display
    g_pd3dDevice->Present( NULL, NULL, NULL, NULL );
}
 
 void Resize(int width,int height)
{
	D3DPRESENT_PARAMETERS d3dpp; 
    ZeroMemory( &d3dpp, sizeof(d3dpp) );
    d3dpp.Windowed = TRUE;
    d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
    d3dpp.BackBufferFormat = D3DFMT_UNKNOWN;

	d3dpp.BackBufferWidth=width;
	d3dpp.BackBufferHeight=height;

	g_pd3dDevice->Reset(&d3dpp);
}
 
 
//-----------------------------------------------------------------------------
// Name: MsgProc()
// Desc: The window's message handler
//-----------------------------------------------------------------------------
LRESULT WINAPI MsgProc( HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
    switch( msg )
    {
        case WM_DESTROY:
            Cleanup();
            PostQuitMessage( 0 );
            return 0;
 
        case WM_PAINT:
            Render();
            ValidateRect( hWnd, NULL );
            return 0;

		case WM_SIZE:
			Resize(LOWORD(lParam),HIWORD(lParam));
			return 0;
    }
 
    return DefWindowProc( hWnd, msg, wParam, lParam );
}
 
 
 
 
//-----------------------------------------------------------------------------
// Name: WinMain()
// Desc: The application's entry point
//-----------------------------------------------------------------------------
INT WINAPI WinMain( HINSTANCE hInst, HINSTANCE, LPSTR, INT )
{
    // Register the window class
    WNDCLASSEX wc = { sizeof(WNDCLASSEX), CS_CLASSDC, MsgProc, 0L, 0L, 
                      GetModuleHandle(NULL), NULL, NULL, NULL, NULL,
                      L"D3D Tutorial", NULL };
    RegisterClassEx( &wc );
 
    // Create the application's window
    HWND hWnd = CreateWindow(L"D3D Tutorial", L"D3D Tutorial 01: CreateDevice", 
                              WS_OVERLAPPEDWINDOW, 100, 100, 800, 600,
                              GetDesktopWindow(), NULL, wc.hInstance, NULL );
 
    // Initialize Direct3D
    if( SUCCEEDED( InitD3D( hWnd ) ) )
    { 
        // Show the window
        ShowWindow( hWnd, SW_SHOWDEFAULT );
        UpdateWindow( hWnd );
 
        // Enter the message loop
        MSG msg; 
        while( GetMessage( &msg, NULL, 0, 0 ) )
        {
            TranslateMessage( &msg );
            DispatchMessage( &msg );
        }
    }
 
    UnregisterClass( L"D3D Tutorial", wc.hInstance );
    return 0;
}
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https://ideone.com/95v4Z9
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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