//=============================================================================
// Desc: 二維字體
//=============================================================================
#include <d3d9.h>
#include <D3dx9core.h>
//-----------------------------------------------------------------------------
// Desc: 全局變量
//-----------------------------------------------------------------------------
LPDIRECT3D9 g_pD3D = NULL; //Direct3D對象
LPDIRECT3DDEVICE9 g_pd3dDevice = NULL; //Direct3D設備對象
LPD3DXFONT g_pFont = 0; //字體對象
WCHAR* strText = L"Welcome Direct3D!";
RECT clientRect;
//-----------------------------------------------------------------------------
// Desc: 初始化Direct3D
//-----------------------------------------------------------------------------
HRESULT InitD3D( HWND hWnd )
{
//創建Direct3D對象, 該對象用于創建Direct3D設備對象
if( NULL == ( g_pD3D = Direct3DCreate9( D3D_SDK_VERSION ) ) )
return E_FAIL;
//設置D3DPRESENT_PARAMETERS結構, 準備創建Direct3D設備對象
D3DPRESENT_PARAMETERS d3dpp;
ZeroMemory( &d3dpp, sizeof(d3dpp) );
d3dpp.Windowed = TRUE;
d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
d3dpp.BackBufferFormat = D3DFMT_UNKNOWN;
//創建Direct3D設備對象
if( FAILED( g_pD3D->CreateDevice( D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hWnd,
D3DCREATE_SOFTWARE_VERTEXPROCESSING,
&d3dpp, &g_pd3dDevice ) ) )
{
return E_FAIL;
}
//創建字體對象
if (FAILED(D3DXCreateFont(g_pd3dDevice,0,0,0,
0,0,0,0,0,0, L"Arial", &g_pFont)))
return E_FAIL;
//獲取窗口客戶區
GetClientRect(hWnd, &clientRect);
return S_OK;
}
//-----------------------------------------------------------------------------
// Desc: 釋放創建的對象
//-----------------------------------------------------------------------------
VOID Cleanup()
{
//釋放字體對象
if(g_pFont != NULL)
g_pFont->Release();
//釋放Direct3D設備對象
if( g_pd3dDevice != NULL)
g_pd3dDevice->Release();
//釋放Direct3D對象
if( g_pD3D != NULL)
g_pD3D->Release();
}
//-----------------------------------------------------------------------------
// Desc: 渲染圖形
//-----------------------------------------------------------------------------
VOID Render()
{
//清空后臺緩沖區
g_pd3dDevice->Clear( 0, NULL, D3DCLEAR_TARGET, D3DCOLOR_XRGB(45, 50, 170), 1.0f, 0 );
//開始在后臺緩沖區繪制圖形
if( SUCCEEDED( g_pd3dDevice->BeginScene() ) )
{
//在后臺緩沖區繪制圖形
g_pFont->DrawText(NULL, strText, (int)wcslen(strText), &clientRect,
DT_SINGLELINE|DT_NOCLIP|DT_CENTER|DT_VCENTER, 0xffffffff);
//結束在后臺緩沖區繪制圖形
g_pd3dDevice->EndScene();
}
//將在后臺緩沖區繪制的圖形提交到前臺緩沖區顯示
g_pd3dDevice->Present( NULL, NULL, NULL, NULL );
}
//-----------------------------------------------------------------------------
// Desc: 消息處理
//-----------------------------------------------------------------------------
LRESULT WINAPI MsgProc( HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
switch( msg )
{
case WM_DESTROY:
Cleanup();
PostQuitMessage( 0 );
return 0;
}
return DefWindowProc( hWnd, msg, wParam, lParam );
}
//-----------------------------------------------------------------------------
// Desc: 入口函數
//-----------------------------------------------------------------------------
int WINAPI WinMain( HINSTANCE hInst, HINSTANCE, LPSTR, INT )
{
//注冊窗口類
WNDCLASSEX wc = { sizeof(WNDCLASSEX), CS_CLASSDC, MsgProc, 0L, 0L,
GetModuleHandle(NULL), NULL, NULL, NULL, NULL,
L"ClassName", NULL };
RegisterClassEx( &wc );
//創建窗口
HWND hWnd = CreateWindow( L"ClassName", L"二維字體",
WS_OVERLAPPEDWINDOW, 200, 100, 400, 360,
GetDesktopWindow(), NULL, wc.hInstance, NULL );
//初始化Direct3D
if( SUCCEEDED( InitD3D( hWnd ) ) )
{
//顯示窗口
ShowWindow( hWnd, SW_SHOWDEFAULT );
UpdateWindow( hWnd );
//進入消息循環
MSG msg;
ZeroMemory( &msg, sizeof(msg) );
while( msg.message!=WM_QUIT )
{
if( PeekMessage( &msg, NULL, 0U, 0U, PM_REMOVE ) )
{
TranslateMessage( &msg );
DispatchMessage( &msg );
}
else
{
Render(); //渲染圖形
}
}
}
UnregisterClass( L"ClassName", wc.hInstance );
return 0;
}
posted on 2008-03-27 22:28
七星重劍 閱讀(487)
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