实验4 图像几何变换—哈哈镜制作(10)

vc++实现图像放大、缩小、平移、旋转、各种哈哈镜变形

m[1] = (float)sin (-angle * CV_PI / 180.); m[3] = -m[1]; m[4] = m[0];

// 将旋转中心移至图像中间 m[2] = pImg->width * 0.5f; m[5] = pImg->height * 0.5f;

cvGetQuadrangleSubPix (pImg, pImg1, &M);

break;

//图片平移

case TRANSLATION: {

for(i=0;i<pImg1->height-x;i++) {

for(j=0;j<pImg1->width-y;j++) {

for(int k=0;k<pImg1->nChannels;k++) {

pImg1 = cvCreateImage(cvGetSize(pImg),pImg->depth,pImg->nChannels); printf("输入x,y：\n"); scanf("%d,%d",&x,&y);

if(x>=0&&y>=0)

pImg1->imageData[i*pImg1->widthStep+j*pImg->nChannels+k]=pImg->imageData[(i+x)*pImg->wi

}

else if(x<0&&y>=0) {

for(i=-x;i<pImg1->height;i++) {

for(j=0;j<pImg1->width-y;j++) {

for(int k=0;k<pImg1->nChannels;k++) {

}

}

}

dthStep+(j+y)*pImg->nChannels+k];

pImg1->imageData[i*pImg1->widthStep+j*pImg->nChannels+k]=pImg->imageData[(i+x)*pImg->wi

}

}

}

dthStep+(j+y)*pImg->nChannels+k];