Direct3D技术实现的图片动画效果

//----------------------------------------------------------------------------- // File: DShowTextures.cpp // #include "ImageView.h" #include "resource.h" #include "DShowTextures.h" #include <d3dx9tex.h> #include <atlbase.h> #include <atlimage.h> //#include <streams.h> #include "picture.h" #include <stllock.h> #define CLASSNAME TEXT("ImageTex") CCritSec m_cs; //----------------------------------------------------------------------------- // Msg: Display an error message box if needed //----------------------------------------------------------------------------- void Msg(TCHAR *szFormat, ...) { TCHAR szBuffer[1024]; // Large buffer for long filenames or URLs const size_t NUMCHARS = sizeof(szBuffer) / sizeof(szBuffer[0]); const int LASTCHAR = NUMCHARS - 1; // Format the input string va_list pArgs; va_start(pArgs, szFormat); // Use a bounded buffer size to prevent buffer overruns. Limit count to // character size minus one to allow for a NULL terminating character. _vsntprintf(szBuffer, NUMCHARS - 1, szFormat, pArgs); va_end(pArgs); // Ensure that the formatted string is NULL-terminated szBuffer[LASTCHAR] = TEXT('\0'); MessageBox(NULL, szBuffer, TEXT("DirectShow CaptureTex9 Sample\0"), MB_OK | MB_ICONERROR); } ///////////////////////////////////////////////////////////////////////// CDirect3DBase::CDirect3DBase() { m_d3dcolorBackground = D3DCOLOR_XRGB(0, 0, 0); m_hwnd = NULL; m_scnWidth = m_scnHeight = 0; m_WorldLeft = m_WorldTop = m_WorldRight = m_WorldBottom = 0.f; } CDirect3DBase::~CDirect3DBase() { } HRESULT CDirect3DBase::Initialize() { return E_NOTIMPL; } void CDirect3DBase::Cleanup() { } HRESULT CDirect3DBase::Render() { return E_NOTIMPL; } HRESULT CDirect3DBase::InitD3D() { return E_NOTIMPL; } void CDirect3DBase::SetWorld() { RECT rc; ::GetClientRect(m_hwnd, &rc); m_scnWidth = (rc.right - rc.left); m_scnHeight = (rc.bottom - rc.top); m_WorldLeft = -m_scnWidth/2; m_WorldRight = m_scnWidth/2; m_WorldTop = m_scnHeight/2; m_WorldBottom = -m_scnHeight/2; } //----------------------------------------------------------------------------- // Name: SetupMatrices() // Desc: Sets up the world, view, and projection transform matrices. //----------------------------------------------------------------------------- HRESULT CDirect3DBase::SetupMatrices() { HRESULT hr = S_OK;; D3DXMATRIX matWorld; D3DXMATRIX matView; D3DXMATRIX matProj; D3DXMatrixIdentity( &matWorld ); try { hr = m_pd3dDevice->SetTransform( D3DTS_WORLD, &matWorld ); if (FAILED(hr)) { Msg(TEXT("Could not set D3DTS_WORLD transform. hr=0x%x"), hr); return hr; } matView = matWorld; hr = m_pd3dDevice->SetTransform( D3DTS_VIEW, &matView ); if (FAILED(hr)) { Msg(TEXT("Could not set D3DTS_VIEW transform. hr=0x%x"), hr); return hr; } D3DXMATRIXA16 matProj; D3DXMatrixOrthoLH(&matProj, m_scnWidth, m_scnHeight, -1.0f, 1.0f); hr = m_pd3dDevice->SetTransform( D3DTS_PROJECTION, &matProj ); if (FAILED(hr)) { Msg(TEXT("Could not set D3DTS_PROJECTION transform. hr=0x%x"), hr); return hr; } }// try catch(...) { Msg(TEXT("Application encountered an unexpected error when trying to set Direct3D environment.")); hr = E_UNEXPECTED; } return hr; } void CDirect3DBase::SetColor( D3DCOLOR color ) { m_d3dcolorBackground = color; } IDirect3DDevice9 * CDirect3DBase::GetDevice() { if( m_pd3dDevice ) { return m_pd3dDevice; } return NULL; } //////////////////////////////////////////////////////////////// // constructor CD3DImageDraw::CD3DImageDraw() { m_hwnd = NULL; m_nSel = -1; m_d3dcolorBackground = D3DCOLOR_XRGB(255, 255, 255); } // destructor CD3DImageDraw::~CD3DImageDraw() { UnregisterClass( CLASSNAME, hInstance ); Cleanup(); } //----------------------------------------------------------------------------- // Name: Cleanup // Desc: releases all allocated objects //----------------------------------------------------------------------------- void CD3DImageDraw::Cleanup(void) { delete m_pImage[0]; delete m_pImage[1]; } HRESULT CD3DImageDraw::Initialize() { HRESULT hr = S_OK; WNDCLASS wndclass={0}; // Register window class wndclass.style = 0; wndclass.lpfnWndProc = MsgProc; wndclass.cbClsExtra = 0; wndclass.cbWndExtra = 0; wndclass.hInstance = hInstance; wndclass.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_TEXTURES)); wndclass.hCursor = LoadCursor(NULL, IDC_ARROW); wndclass.hbrBackground = NULL/* (HBRUSH)(COLOR_WINDOW + 2)*/; wndclass.lpszMenuName = MAKEINTATOM(IDR_MENU1); wndclass.lpszClassName = CLASSNAME; RegisterClass(&wndclass); m_hwnd = CreateWindow(CLASSNAME, CLASSNAME, WS_OVERLAPPED | WS_CLIPCHILDREN, 200, 200, 600, 580, NULL, NULL, hInstance, NULL); RegisterClass( &wndclass ); m_pImage[0] = new CImageTexture(); m_pImage[1] = new CImageTexture(); m_pImage[0]->SetPresentation(this); m_pImage[1]->SetPresentation(this); SetWindowLongPtr( m_hwnd, GWLP_USERDATA, (LONG_PTR)this); SetWorld(); // first, initialize 3D environment hr = InitD3D(); if( FAILED(hr)) { return hr; } PrepareRectTracker(); // Show the main window. The DirectShow components will // already be initialized. ShowWindow( m_hwnd, SW_SHOWDEFAULT ); UpdateWindow( m_hwnd ); return S_OK; } //----------------------------------------------------------------------------- // Name: CD3DImageDraw::InitD3D() // Desc: Initializes Direct3D //----------------------------------------------------------------------------- HRESULT CD3DImageDraw::InitD3D() { HRESULT hr = S_OK; D3DDISPLAYMODE d3ddm; D3DPRESENT_PARAMETERS d3dpp; try { // Create the D3D object. m_pD3D = Direct3DCreate9( D3D_SDK_VERSION ); if( !m_pD3D ) { return E_FAIL; } // Get the current desktop display mode, so we can set up a back // buffer of the same format hr = m_pD3D->GetAdapterDisplayMode( D3DADAPTER_DEFAULT, &d3ddm ); if( FAILED(hr)) { Msg(TEXT("Could not read adapter display mode. hr=0x%x"), hr); return hr; } /* DWORD dwQualityLevels; if( SUCCEEDED(m_pD3D->CheckDeviceMultiSampleType( D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL , d3ddm.Format, TRUE, D3DMULTISAMPLE_2_SAMPLES, &dwQualityLevels ) )) ATLTRACE("Use Multisample with quality %d. \n", dwQualityLevels); */ // Set up the structure used to create the D3DDevice. Since we are now // using more complex geometry, we will create a device with a zbuffer. ZeroMemory( &d3dpp, sizeof(d3dpp) ); d3dpp.Windowed = TRUE; d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD; d3dpp.BackBufferFormat = D3DFMT_A8R8G8B8/*d3ddm.Format*/; d3dpp.EnableAutoDepthStencil = TRUE; d3dpp.AutoDepthStencilFormat = D3DFMT_D16; //d3dpp.MultiSampleType = D3DMULTISAMPLE_2_SAMPLES; //d3dpp.MultiSampleQuality = dwQualityLevels;