MFC的sheep logan图像的CT扫描重建

/********************************************************************** * Copyright (c) 2003, Medical Image Processing Lab, Sichuan University * All rights reserved. * * 文件名称：ImageObject.cpp * 摘 要：图象类源文件 * * 当前版本：1.0 * 最后修改日期：2003年02月26日 * 修改人：Wang Xiaoyi ************************************************************************/ #include "stdafx.h" #include "ImageObject.h" char *CImageObject::szExtensions[] = { ".BMP", ".GIF", ".PCX", ".TGA", ".JPG", ".TIF", "" }; CImageObject::CImageObject() { InitVars(); } /********************************************************************* * 函数名称：CImageObject::CImageObject( const char *pszFilename, * CDC *pDC, int nX, int nY ) * 函数介绍：CImageObject的构造函数 * 输入参数：pszFilename-图像的完整路径名 * pDC-用来显示图像的设备上下文指针 * nX-图像左上角在显示设备上的横坐标值，默认值为0 * nY-图像左上角在显示设备上的纵坐标值，默认值为0； * 输出参数：（无） * 返回值 ：（无） *********************************************************************/ CImageObject::CImageObject( const char *pszFilename, CDC *pDC, int nX, int nY ) { //Initialize the class members InitVars(); //Load a image from storge devices Load( pszFilename, pDC, nX, nY ); } CImageObject::~CImageObject() { if( m_hDib ) ::GlobalFree( m_hDib ); if( m_pszFilename != NULL ) delete [] m_pszFilename; } /********************************************************************* * 函数名称：void CImageObject::InitVars( BOOL bFlag ) * 函数介绍：初始化类成员 * 输入参数：bFlag-用于控制是否对两个类成员m_pszFilename和m_pLogPal初始化。 * 如果bFlag=FALSE(default)，上述两个类成员初始化为NULL； * 否则不赋初值。 * 输出参数：（无） * 返回值 ：void *********************************************************************/ void CImageObject::InitVars( BOOL bFlag ) { m_nWidth = m_nHeight = m_nBits = m_nColors = m_nImageType = 0; m_nX = m_nY = 0; m_nLastError = 0; m_hDib = NULL; m_nPaletteCreationType = FIXED_PALETTE; if( !bFlag ) { m_pszFilename = NULL; m_pLogPal = NULL; } m_nQuality = 50; } /********************************************************************* * 函数名称：BOOL CImageObject::Load( const char *pszFilename, CDC *pDC, * int nX, int nY ) * 函数介绍：从存储设备上导入图像 * 输入参数：pszFilename-图像的完整路径名 * pDC-用来显示图像的设备上下文指针 * nX-图像左上角在显示设备上的横坐标值，默认值为0 * nY-图像左上角在显示设备上的纵坐标值，默认值为0； * 输出参数：（无） * 返回值 ：BOOL型，成功导入图像则返回TRUE；否则返回FALSE *********************************************************************/ BOOL CImageObject::Load( const char *pszFilename, CDC *pDC, int nX, int nY ) { m_nImageType = FileType( pszFilename ); if( m_nImageType == 0 ) { m_nLastError = IMAGELIB_UNSUPPORTED_FILETYPE; return( FALSE ); } KillImage(); m_pszFilename = new char[strlen(pszFilename)+1]; if( m_pszFilename != NULL ) { strcpy( m_pszFilename, pszFilename ); } //Begin to load image switch( m_nImageType ) { //load an image of BMP format case IMAGETYPE_BMP: m_hDib = ::LoadBMP( pszFilename ); if( m_hDib == NULL ) { m_nLastError = ::GetLastPicLibError(); return( FALSE ); } break; //load an image of GIF format case IMAGETYPE_GIF: m_hDib = ::LoadGIF( pszFilename ); if( m_hDib == NULL ) { m_nLastError = ::GetLastPicLibError(); return( FALSE ); } break; //load an image of JPG format case IMAGETYPE_JPG: m_hDib = ::LoadJPG( pszFilename ); if( m_hDib == NULL ) { m_nLastError = ::GetLastPicLibError(); return( FALSE ); } break; //load an image of JPG format case IMAGETYPE_PCX: m_hDib = ::LoadPCX( pszFilename ); if( m_hDib == NULL ) { m_nLastError = ::GetLastPicLibError(); return( FALSE ); } break; //load an image of TGA format case IMAGETYPE_TGA: m_hDib = ::LoadTGA( pszFilename ); if( m_hDib == NULL ) { m_nLastError = ::GetLastPicLibError(); return( FALSE ); } break; //load an image of TIF format case IMAGETYPE_TIF: m_hDib = ::LoadTIF( pszFilename ); if( m_hDib == NULL ) { m_nLastError = ::GetLastPicLibError(); return( FALSE ); } break; } ProcessImageHeader(); ProcessPalette(); if( pDC != NULL ) { Draw( pDC, nX, nY ); } return( TRUE ); } BOOL CImageObject::GetImageInfo( const char *pszFilename, int *pnWidth, int *pnHeight, int *pnPlanes, int *pnBitsPerPixel, int *pnNumColors ) { int nImageType; nImageType = FileType( pszFilename ); if( nImageType == 0 ) { m_nLastError = IMAGELIB_UNSUPPORTED_FILETYPE; return( FALSE ); } switch( nImageType ) { case IMAGETYPE_BMP: return( ::GetBMPInfo( pszFilename, pnWidth, pnHeight, pnPlanes, pnBitsPerPixel, pnNumColors ) ); case IMAGETYPE_GIF: return( ::GetGIFInfo( pszFilename, pnWidth, pnHeight, pnPlanes, pnBitsPerPixel, pnNumColors ) ); case IMAGETYPE_JPG: return( ::GetJPGInfo( pszFilename, pnWidth, pnHeight, pnPlanes, pnBitsPerPixel, pnNumColors ) ); case IMAGETYPE_PCX: return( ::GetPCXInfo( pszFilename, pnWidth, pnHeight, pnPlanes, pnBitsPerPixel, pnNumColors ) ); case IMAGETYPE_TGA: return( ::GetTGAInfo( pszFilename, pnWidth, pnHeight, pnPlanes, pnBitsPerPixel, pnNumColors ) ); case IMAGETYPE_TIF: return( ::GetTIFInfo( pszFilename, pnWidth, pnHeight, pnPlanes, pnBitsPerPixel, pnNumColors ) ); } return( FALSE ); } int CImageObject::GetLastError( void ) { return( m_nLastError ); } BOOL CImageObject::Save( const char *pszFilename, int nType ) { if( nType == -1 ) nType = ExtensionIndex( pszFilename ); if( nType < IMAGETYPE_FIRSTTYPE || nType > IMAGETYPE_LASTTYPE ) return( FALSE ); m_nImageType = nType; delete [] m_pszFilename; m_pszFilename = new char [strlen(pszFilename)+1]; if( m_pszFilename != NULL ) strcpy( m_pszFilename, pszFilename ); switch( m_nImageType ){ case IMAGETYPE_BMP: return( ::SaveBMP( pszFilename, m_hDib ) ); break; case IMAGETYPE_GIF: return( ::SaveGIF( pszFilename, m_hDib ) ); break; case IMAGETYPE_JPG: return( ::SaveJPG( pszFilename, m_hDib, m_nQuality ) ); break; case IMAGETYPE_PCX: return( ::SavePCX( pszFilename, m_hDib ) ); break; case IMAGETYPE_TGA: return( ::SaveTGA( pszFilename, m_hDib ) ); break; case IMAGETYPE_TIF: return( ::SaveTIF( pszFilename, m_hDib ) ); break; } return( TRUE ); } int CImageObject::ExtensionIndex( const char *pszFilename ) { int Index = 0; char *pszExtension; pszExtension = (char *) &pszFilename[strlen(pszFilename)-4]; while( szExtensions[Index][0] ) { if( !stricmp( pszExtension, szExtensions[Index] ) ) return( Index + 1 ); Index++; } return( -1 ); } int CImageObject::GetWidth( void ) { return( m_nWidth ); } int CImageObject::GetHeight( void ) { return( m_nHeight ); } int CImageObject::GetNumBits( void ) { return( m_nBits ); } int CImageObject::GetNumColors( void ) { return( m_nColors ); } BOOL CImageObject::GetPaletteData( RGBQUAD *pRGBPalette ) { m_nLastError = IMAGELIB_HDIB_NULL; if( m_hDib == NULL ) return( FALSE ); char *pTemp; pTemp = (char *) ::GlobalLock( m_hDib ); m_nLastError = IMAGELIB_MEMORY_LOCK_ERROR; if( pTemp == NULL ) return( FALSE ); memcpy( pRGBPalette, &pTemp[sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER)], m_nPaletteBytes ); m_nLastError = IMAGELIB_SUCCESS; ::GlobalUnlock( m_hDib ); return( TRUE ); } RGBQUAD *CImageObject::GetPaletteData( void ) { m_nLastError = IMAGELIB_HDIB_NULL; if( m_hDib == NULL ) return( NULL ); m_nLastError = IMAGELIB_NO_PALETTE_FOR_HIGH_COLOR; if(