1、原旋转中的

double phase[33]={
    0};//16相位，包含端点存在33个距离    for (int i=0;i<33;i++)    {        double i2=1.0*i;        phase[i]=fs(i2/16);    }    int size;    if(dbZoom>1)    {        size=iWidth*iHeight;    }    else    {        size=ceil(iWidth*dbZoom)*ceil(iHeight*dbZoom);    }    int newWidth=ceil(dbZoom*iWidth);    //旋转中心为图像中心    double rx0=ceil(dbZoom*iWidth)*0.5;      double ry0=ceil(dbZoom*iHeight)*0.5;     double srcx,srcy,u,v;    int xOr,yOr;    dbRotate=dbRotate*3.1415926/180.0;    for (int y=0;y
      
       =0 && xOr+2<=iWidth && yOr-1>=0 && yOr+2<=iHeight))                {                    pbTag[y*newWidth+x]=0;                }            else            {                   double middle=                    pbSrc[(yOr-1)*iWidth+(xOr-1)]*A1*A2+                    pbSrc[(yOr)*iWidth+(xOr-1)]*A1*B2+                    pbSrc[(yOr+1)*iWidth+(xOr-1)]*A1*C2+                    pbSrc[(yOr+2)*iWidth+(xOr-1)]*A1*D2+                                        pbSrc[(yOr-1)*iWidth+(xOr)]*B1*A2+                    pbSrc[(yOr)*iWidth+(xOr)]*B1*B2+                    pbSrc[(yOr+1)*iWidth+(xOr)]*B1*C2+                    pbSrc[(yOr+2)*iWidth+(xOr)]*B1*D2+                    pbSrc[(yOr-1)*iWidth+(xOr+1)]*C1*A2+                    pbSrc[(yOr)*iWidth+(xOr+1)]*C1*B2+                    pbSrc[(yOr+1)*iWidth+(xOr+1)]*C1*C2+                    pbSrc[(yOr+2)*iWidth+(xOr+1)]*C1*D2+                    pbSrc[(yOr-1)*iWidth+(xOr+2)]*D1*A2+                    pbSrc[(yOr)*iWidth+(xOr+2)]*D1*B2+                    pbSrc[(yOr+1)*iWidth+(xOr+2)]*D1*C2+                    pbSrc[(yOr+2)*iWidth+(xOr+2)]*D1*D2;                if(middle<=255&&middle>=0)                    pbTag[y*newWidth+x]=middle;                else if(middle>255)                    pbTag[y*newWidth+x]=255;                else                     pbTag[y*newWidth+x]=0;            }        }    }    //memcpy(pbTag,pbSrc,size);    return ERROR_SUCCESS;
      

2、插值后只显示中间1280*1024。

double phase[33]={
    0};//16相位，包含端点存在33个距离    for (int i=0;i<33;i++)    {        double i2=1.0*i;        phase[i]=fs(i2/16);    }    //旋转中心为图像中心    double rx0=iWidth;      double ry0=iHeight;     double srcx,srcy,u,v;    int xOr,yOr;    int newWidth=ceil(dbZoom*iWidth);    int newHeight=ceil(dbZoom*iHeight);    for (int y=0;y
      
       =0 && srcx<=iWidth && srcy>=0 && srcy<=iHeight))                {                    pbTag[y*2*iWidth+x]=0;//255                }            else            {                   double middle=                    pbSrc[(yOr-1)*iWidth+(xOr-1)]*A1*A2+                    pbSrc[(yOr)*iWidth+(xOr-1)]*A1*B2+                    pbSrc[(yOr+1)*iWidth+(xOr-1)]*A1*C2+                    pbSrc[(yOr+2)*iWidth+(xOr-1)]*A1*D2+                                        pbSrc[(yOr-1)*iWidth+(xOr)]*B1*A2+                    pbSrc[(yOr)*iWidth+(xOr)]*B1*B2+                    pbSrc[(yOr+1)*iWidth+(xOr)]*B1*C2+                    pbSrc[(yOr+2)*iWidth+(xOr)]*B1*D2+                    pbSrc[(yOr-1)*iWidth+(xOr+1)]*C1*A2+                    pbSrc[(yOr)*iWidth+(xOr+1)]*C1*B2+                    pbSrc[(yOr+1)*iWidth+(xOr+1)]*C1*C2+                    pbSrc[(yOr+2)*iWidth+(xOr+1)]*C1*D2+                    pbSrc[(yOr-1)*iWidth+(xOr+2)]*D1*A2+                    pbSrc[(yOr)*iWidth+(xOr+2)]*D1*B2+                    pbSrc[(yOr+1)*iWidth+(xOr+2)]*D1*C2+                    pbSrc[(yOr+2)*iWidth+(xOr+2)]*D1*D2;                if(middle<=255&&middle>=0)                    pbTag[y*newWidth+x]=middle;                else if(middle>255)                    pbTag[y*newWidth+x]=255;                else                     pbTag[y*newWidth+x]=0;            }        }    }    for (int y=0;y<1024;y++)    {        for (int x=0;x<1280;x++)        {            int y2=newHeight/2-512;            int x2=newWidth/2-640;             pbFinal[y*1280+x]=pbTag[(y2+y)*newWidth+(x2+x)];       }    }    return ERROR_SUCCESS;
      

双三。