图像绕X,Y,Z轴旋转效果

原图：

绕垂直轴旋转：

 绕水平轴旋转：

绕中心点旋转：

Mat warpPerspective(Mat src, float angle, int mode)
{
angle *= 0.0174533;
int height = src.rows;
int width = src.cols;

Mat outMat(height, width, CV_8U, 255);

double ri0 = height*0.5;
double rj0 = width*0.5;

float ratio = sin(angle);

if (mode == 1)
{
double ri0 = height*0.5;
double rj0 = width*0.5;

for (int i = 0; i < height; i++)
{
for (int j = 0; j < width; j++)
{

int srci = -(j - rj0)*sin(angle) + (i - ri0)*cos(angle) + ri0;
int srcj = (j - rj0)*cos(angle) + (i - ri0)*sin(angle) + rj0;

if (srci >= 0 && srci < width && srcj >= 0 && srcj < height)
outMat.ptr<uchar>(i)[j] = src.ptr<uchar>(srci)[srcj];

}
}
}