ATL-DirectX.zip

STDMETHOD(LoadFromConfigFile)(/*[in]*/ULONG config_struct_ptr); STDMETHOD(ReleaseOffScreenPlain)(/*[in]*/ULONG plain_ptr); STDMETHOD(UnloadBitmapFile)(/*[in]*/ULONG bitmap_file_ptr); STDMETHOD(CreateOffScreenPlain)(/*[in]*/ULONG plain_ptr,/*[in]*/int nWidth,/*[in]*/int nHeight,/*[in]*/ULONG dwFlags); STDMETHOD(ShowUnit)(/*[in]*/ULONG plain_ptr,/*[in]*/int x_pos,/*[in]*/int y_pos); STDMETHOD(CopyBitmapToPlain08)(/*[in]*/ULONG bitmap_file_ptr,/*[in]*/ULONG plain_ptr); STDMETHOD(LoadBitmapFile)(/*[in]*/ULONG bitmap_file_ptr,/*[in]*/ULONG bitmap_file_name); STDMETHOD(Wait_Clock)(/*[in]*/double count); STDMETHOD(Start_Clock)(); STDMETHOD(Flip)(); STDMETHOD(DrawRandPixel_08)(/*[in]*/int nCount); STDMETHOD(UpdatePalette)(/*[in]*/ULONG lp_palette_entry); STDMETHOD(SetClipper)(/*[in]*/int nNum,/*[in]*/ULONG lp_rect); STDMETHOD(UnInit)(); STDMETHOD(Init)(/*[in]*/ULONG hWnd,/*[in]*/int nWidth,/*[in]*/int nHeight,/*[in]*/int nBit); /*--------------------------------------------------------------------------------- 功能：初始化DirectDraw 说明： 返回：成功，0；失败，其它正数值 ---------------------------------------------------------------------------------*/ STDMETHODIMP CFreeDirectDraw::Init(ULONG hWnd, int nWidth, int nHeight, int nBit) { m_h_wnd = (HWND)hWnd; m_n_bit = nBit; m_n_width = nWidth; m_n_height = nHeight; ///////////////////////////////////////////////////////// HRESULT result; DDSCAPS2 caps; DDSURFACEDESC2 desc; result = DirectDrawCreateEx( NULL, (void**)&m_dd, IID_IDirectDraw7, NULL ); if( result != DD_OK ) { m_log.SaveMessage("创建DirectDraw对象失败！"); return 1; } result = m_dd->SetCooperativeLevel(m_h_wnd,DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN | DDSCL_ALLOWREBOOT | DDSCL_ALLOWMODEX ); if( result != DD_OK ) { m_log.SaveMessage( "设置协调层级失败！" ); return 2; } result = m_dd->SetDisplayMode( m_n_width, m_n_height, m_n_bit, 0, 0 ); if( result != DD_OK ) { m_log.SaveMessage( "设置显示模式失败！" ); return 3; } //创建主页面 INIT_STRUCT( desc ); desc.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT; desc.dwBackBufferCount = 1; desc.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_COMPLEX | DDSCAPS_FLIP; result = m_dd->CreateSurface( &desc, &m_prim_surface, NULL ); if( result != DD_OK ) { m_log.SaveMessage( "创建主页面失败！" ); return 4; } //副缓冲区 memset( &caps, 0, sizeof( caps ) ); caps.dwCaps = DDSCAPS_BACKBUFFER; result = m_prim_surface->GetAttachedSurface( &caps, &m_back_surface ); if( result != DD_OK ) { m_log.SaveMessage( "创建次页面失败！" ); return 5; } //如果是8bit，就要创建调色板 if( m_n_bit == 8 ) { if(CreatePalatte() != 0) { m_log.SaveMessage( "创建调色板失败！" ); return 6; } } //设置剪切区 RECT rect[] = {0, 0, m_n_width, m_n_height }; if( SetClipper( m_back_surface, 1, rect ) != 0 ) { m_log.SaveMessage("设置剪切区失败！"); return 7; } m_log.SaveMessage( "DirectDraw组件初始化成功！" ); return 0; } /*--------------------------------------------------------------------------------- 功能：清除DirectDraw资源 说明： 返回：成功，0；失败，其它正数值 ---------------------------------------------------------------------------------*/ STDMETHODIMP CFreeDirectDraw::UnInit() { SAFE_RELEASE( m_clipper ); SAFE_RELEASE( m_palette ); SAFE_RELEASE( m_back_surface ); SAFE_RELEASE( m_prim_surface ); SAFE_RELEASE( m_dd ); return 0; } /*--------------------------------------------------------------------------------- 功能：剪切页面 说明： 返回：成功，0；失败，其它正数值 ---------------------------------------------------------------------------------*/ STDMETHODIMP CFreeDirectDraw::SetClipper(int nNum, ULONG lp_rect) { int nRet; nRet = SetClipper( m_back_surface, nNum, (LPRECT)lp_rect ); return nRet; } /*--------------------------------------------------------------------------------- 功能：更新调色板 说明： 返回：成功，0；失败，其它正数值 ---------------------------------------------------------------------------------*/ STDMETHODIMP CFreeDirectDraw::UpdatePalette(ULONG lp_palette_entry) { int nRet; nRet = UpdatePalette( (PALETTEENTRY*)lp_palette_entry ); return nRet; } /*--------------------------------------------------------------------------------- 功能：直接在副页面上画随机的点-------8位 说明： 返回：成功，0；失败，其它正数值 ---------------------------------------------------------------------------------*/ STDMETHODIMP CFreeDirectDraw::DrawRandPixel_08(int nCount) { int x,y; int mempitch = 0; unsigned char* lp_buf = NULL; HRESULT hr; int count = nCount; DDSURFACEDESC2 dd; INIT_STRUCT( dd ); hr = m_back_surface->Lock(NULL,&dd,DDLOCK_SURFACEMEMORYPTR | DDLOCK_WAIT,NULL); if(hr != DD_OK) { m_log.SaveMessage("锁定表面失败！"); return 1; } mempitch = dd.lPitch; lp_buf = (unsigned char*)dd.lpSurface; int nBitSize = dd.lPitch * m_n_height; //清除后缓冲区中的数据 __asm { CLD ; clear direction of copy to forward MOV EAX, 0 ; color goes here MOV ECX, nBitSize ; number of DWORDS goes here MOV EDI, lp_buf ; address of line to move data REP STOSB ; send the pentium X on its way } srand( GetTickCount() ); for(int i = 0; i < count; i++ ) { UCHAR color = rand() % MAX_PALETTE_COLORS; x = rand() % m_n_width; y = rand() % m_n_height; lp_buf[ x + y * mempitch ] = color; } hr = m_back_surface->Unlock(NULL); if(hr != DD_OK) { m_log.SaveMessage("解锁定表面失败！"); return 2; } return 0; } /*--------------------------------------------------------------------------------- 功能：切换副页面为主页面 说明： 返回：成功，0；失败，其它正数值 ---------------------------------------------------------------------------------*/ STDMETHODIMP CFreeDirectDraw::Flip() { while( m_prim_surface->Flip( NULL, DDFLIP_WAIT ) != DD_OK ); return 0; } /*--------------------------------------------------------------------------------- 功能：开始等待 说明： 返回：成功，0；失败，其它正数值 ---------------------------------------------------------------------------------*/ STDMETHODIMP CFreeDirectDraw::Start_Clock() { m_clock_count = GetTickCount(); return 0; } /*--------------------------------------------------------------------------------- 功能：等待 说明： 返回：成功，0；失败，其它正数值 ---------------------------------------------------------------------------------*/ STDMETHODIMP CFreeDirectDraw::Wait_Clock(double count) { m_clock_count += count; while( GetTickCount() < m_clock_count ); return 0; } /*--------------------------------------------------------------------------------- 功能：载入位图 说明： 返回：成功，0；失败，其它正数值 ---------------------------------------------------------------------------------*/ STDMETHODIMP CFreeDirectDraw::LoadBitmapFile(ULONG bitmap_file_ptr, ULONG bitmap_file_name) { int nRet; char* szFileName = (char*)bitmap_file_name; BITMAP_FILE_PTR lp_bitmap = (BITMAP_FILE_PTR)bitmap_file_ptr; if( szFileName == NULL ) { return 1; } if( lp_bitmap == NULL ) { return 2; } ////////////////////////////////////////////////////////////////////////// FILE* fp = fopen( szFileName, "rb" ); if( fp == NULL ) { return 3; } rewind( fp ); //初始化位图文件结构 memset( lp_bitmap, 0, sizeof( BITMAP_FILE ) ); //读入文件头 fread( &lp_bitmap->m_file_head, sizeof( CHAR ), sizeof( BITMAPFILEHEADER ), fp ); if( lp_bitmap->m_file_head.bfType != BITMAP_ID ) { fclose( fp ); return 4; } //读入位图信息 fread( &lp_bitmap->m_info_head, sizeof( CHAR ), sizeof( BITMAPINFOHEADER ), fp ); if( lp_bitmap->m_info_head.biBitCount == 8 ) { fread( &lp_bitmap->