图像旋转中原图16×16分块测试2,映射后插入图中,测试边界信息
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// RotateZoom.cpp : Defines the entry point for the console application. // #include "stdafx.h" #include "RotateZoom.h" #ifdef _DEBUG #define new DEBUG_NEW #endif #include <atlimage.h> #include <locale.h> // The one and only application object CWinApp theApp; using namespace std; //双三次插值系数 double fs(double w) { double a=-0.5; double fs; if (abs(w)<=1) fs=(a+2)*pow(abs(w),3)-(a+3)*pow(abs(w),2)+1; else if (abs(w)>1&&abs(w)<=2) fs=a*pow(abs(w),3)-5*a*pow(abs(w),2)+8*a*abs(w)-4*a; else fs=0; return fs; } HRESULT RotateZoom(PBYTE pbSrc,int iWidth,int iHeight,double dbRotate,double dbZoom,PBYTE pbTag); int _tmain(int argc, TCHAR* argv[], TCHAR* envp[]) { int nRetCode = 0; setlocale(LC_ALL,"chs"); HMODULE hModule = ::GetModuleHandle(NULL); if (hModule != NULL) { // initialize MFC and print and error on failure CImage cImage; HRESULT hResult; int iWidth,iHeight,iBytePerPixel,iPitch; int i,j,x,y,w,h; PBYTE pbSrc=NULL,pbTag=NULL; PBYTE pbImage=NULL; PDWORD pdwImage=NULL; double dbRotate=0,dbZoom=0; double dbRotateStart=0,dbRotateEnd=0,dbRotateStep; double dbZoomStart=0,dbZoomEnd=0,dbZoomStep; BOOL bBenchWork=FALSE; CString csSrcName,csTagName,csNameRoot; TCHAR *ptChar; do{ if (!AfxWinInit(hModule, NULL, ::GetCommandLine(), 0)) { // TODO: change error code to suit your needs _tprintf(_T("Fatal Error: MFC initialization failed ")); nRetCode = 1; break; } // TODO: code your application‘s behavior here. if(argc!=6 && argc!=10 ) { _tprintf(_T("使用方法: RotateZoom -S 源图像文件 旋转角度 缩放倍数 输出文件 或: RotateZoom -B 源图像文件 旋转起始角度 步长 旋转终止角度 缩放起始倍数 步长 缩放终止倍数 输出文件 ")); nRetCode= -1; break; } if(_tcsnicmp(argv[1],_T("-B"),2)==0) { bBenchWork=TRUE; } else if(_tcsnicmp(argv[1],_T("-S"),2)==0) { bBenchWork=FALSE; } else { _tprintf(_T("使用方法: RotateZoom -S 源图像文件 旋转角度 缩放倍数 输出文件 或: RotateZoom -B 源图像文件 旋转起始角度 步长 旋转终止角度 缩放起始倍数 步长 缩放终止倍数 输出文件 ")); nRetCode= -1; break; } if(bBenchWork) { csSrcName=argv[2]; _stscanf(argv[3],_T("%lf"),&dbRotateStart); _stscanf(argv[4],_T("%lf"),&dbRotateStep); _stscanf(argv[5],_T("%lf"),&dbRotateEnd); _stscanf(argv[6],_T("%lf"),&dbZoomStart); _stscanf(argv[7],_T("%lf"),&dbZoomStep); _stscanf(argv[8],_T("%lf"),&dbZoomEnd); dbZoom=dbZoomStart>dbZoomEnd?dbZoomStart:dbZoomEnd; csTagName=argv[9]; if(!((dbRotateStart>=0 && dbRotateStart<360) && (dbRotateEnd>=0 && dbRotateEnd<360) && (dbZoomStart>=0.26 && dbZoomStart<=16) && (dbZoomStart>=0.25 && dbZoomStart<=16) && (dbRotateStep>=0.01) && (dbZoomEnd>=0.01))) { _tprintf(_T("旋转角度范围(0~360),缩放倍数范围(0.25~16),步长范围(>=0.01)。输入参数超出范围! ")); nRetCode= -2; break; } } else { csSrcName=argv[2]; _stscanf(argv[3],_T("%lf"),&dbRotate); _stscanf(argv[4],_T("%lf"),&dbZoom); csTagName=argv[5]; if(!((dbRotate>=0 && dbRotate<360) && (dbZoom>=0.25 && dbZoom<=16))) { _tprintf(_T("旋转角度范围(0~360),缩放倍数范围(0.25~16)。输入参数超出范围! ")); nRetCode= -2; break; } } hResult=cImage.Load(csSrcName); if(hResult!=ERROR_SUCCESS) { _tprintf(_T("源图像文件名错误! ")); nRetCode= -3; break; } iWidth=cImage.GetWidth(); iHeight=cImage.GetHeight(); pbSrc = (PBYTE)malloc(iWidth*iHeight);//存原图数据大小没问题 if(dbZoom>1) pbTag = (PBYTE)malloc(ceil(iWidth*dbZoom)*ceil(iHeight*dbZoom)); else pbTag = (PBYTE)malloc(iWidth*iHeight); if(pbSrc==NULL || pbTag==NULL ) { _tprintf(_T("内存申请错误! ")); nRetCode= -4; break; } iPitch=cImage.GetPitch(); iBytePerPixel=(cImage.GetBPP()+7)/8; if(iBytePerPixel==3) { for(y=0;y<iHeight;y++) { pbImage=(PBYTE)(PBYTE(cImage.GetBits())+iPitch*y);//得到的是图像初始像素地址 for(x=0;x<iWidth;x++) { pbSrc[y*iWidth+x]=(pbImage[3*x]*0.15+pbImage[3*x+1]*0.55+pbImage[3*x+2]*0.3);//转换成灰度就是单个像素了,分配大小还是原来的?。 } } } cImage.Destroy(); csTagName.Trim(); csTagName.MakeUpper(); if(bBenchWork) { if(csTagName.Right(4)!=_T(".BMP") ) csNameRoot=csTagName; else csNameRoot=csTagName.Left (csTagName.GetLength()-4); j=0; for(dbZoom=dbZoomStart;dbZoom<=dbZoomEnd;dbZoom+=dbZoomStep) { w=ceil(iWidth*dbZoom); h=ceil(iHeight*dbZoom); cImage.Create(w,-h,32); iPitch=cImage.GetPitch(); for(dbRotate=dbRotateStart;dbRotate<=dbRotateEnd;dbRotate+=dbRotateStep) { hResult=RotateZoom(pbSrc,iWidth,iHeight,dbRotate,dbZoom,pbTag); if(hResult!=ERROR_SUCCESS) { _tprintf(_T("图像处理错误! ")); nRetCode= -5; break; } for(y=0;y<h;y++) { pdwImage=(PDWORD)(PBYTE(cImage.GetBits())+iPitch*y); for(x=0;x<w;x++) { pdwImage[x]=pbTag[y*w+x]*0x10101; } } csTagName=csNameRoot; csTagName.AppendFormat(_T("_Z%05.2f_R%06.2f.BMP"),dbZoom,dbRotate); hResult=cImage.Save(csTagName,Gdiplus::ImageFormatBMP); if(hResult!=ERROR_SUCCESS) { _tprintf(_T("图像结果保存错误! ")); nRetCode= -5; break; } i=csTagName.GetLength(); ptChar=csTagName.GetBuffer(i+1); ptChar[i]=_T(‘