实验4 图像几何变换—哈哈镜制作(8)

vc++实现图像放大、缩小、平移、旋转、各种哈哈镜变形

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

pImg1->imageData[i*pImg1->widthStep+j*pImg->nChannels+k]=pImg->imageData[i*pImg->widthStep+s*pImg->nChannels+k];

} break;

}

}

// 梯形变形 case LADDER:

pImg1 = cvCreateImage(cvGetSize(pImg),pImg->depth,pImg->nChannels); for(i=0;i<pImg1->height;i++) {

tmp=(pImg1->width-RANGE)/2-i*(pImg1->width-RANGE)/(2*pImg1->height); for(j=tmp;j<pImg1->width-tmp;j++) {

int s=(int)((j-tmp)*(pImg->width)/(pImg->width-2*tmp)); for(int k=0;k<pImg->nChannels;k++) {

pImg1->imageData[i*pImg1->widthStep+j*pImg->nChannels+k]=pImg->imageData[i*pImg->widthStep+s*pImg->nChannels+k];

} break;

}

}

// 三角形变形 case TRIANGLE:

pImg1 = cvCreateImage(cvGetSize(pImg),pImg->depth,pImg->nChannels); for(i=1;i<pImg1->height;i++) {

for(j=1;j<i*pImg1->width/pImg1->height;j++) {

int s = (int)(pImg1->height*j/i); for(int k=0;k<pImg->nChannels;k++) {

pImg1->imageData[i*pImg1->widthStep+j*pImg->nChannels+k]=pImg->imageData[i*pImg->widthStep+s*pImg->nChannels+k];

}

}

}