//必做任务 输入图像选择
private void button_inputImg_Click(object sender, EventArgs e)
{
openFileDialog_inputImg.Filter = "图片文件(*.jpg,*.bmp,*.png)|*.jpg;*.bmp;*.png";
if (openFileDialog_inputImg.ShowDialog() == DialogResult.OK)
{
string img_path = openFileDialog_inputImg.FileName; //图片路径
//Mat img = CvInvoke.Imread(img_path);
Bitmap bm_source = show_img(img_path, pictureBox_inputImg);
distort_class = new Pic_distort();
distort_class.setInputImg(bm_source);
}
}
//切除黑边
public void BlackCut_tran(string interp_method = "最近邻")
{
blackCut_distort = new Pic_distort();
blackCut_distort.inputImg = new myMat();
blackCut_distort.inputImg.getData_Mat(sourceFace_distort.resultImg);
blackCut_distort.resultImg = new myMat();
blackCut_distort.resultImg.init_bytes(blackCut_distort.inputImg.height, blackCut_distort.inputImg.width);
/*Bitmap bm = blackCut_distort.inputImg.img2Bitmap();
* Image<Bgr, byte> draw_img = new Image<Bgr, byte>(bm);
* draw_img.Draw(new Cross2DF(new PointF((int)leftUp_point.j, (int)leftUp_point.i), 10, 10), new Bgr(0, 0, 255), 2);
* draw_img.Draw(new Cross2DF(new PointF((int)leftDown_point.j, (int)leftDown_point.i), 10, 10), new Bgr(0, 0, 255), 2);
*
* CvInvoke.Imshow("a", draw_img);
* CvInvoke.WaitKey();*/
double turn_angle = System.Math.Atan2((leftDown_point.j - leftUp_point.j), (leftDown_point.i - leftUp_point.i));
double height_scale = myMat.myCoor.getDis(leftUp_point, leftDown_point) / blackCut_distort.resultImg.height;
for (int i = 0; i < blackCut_distort.inputImg.height; i++)
{
for (int j = 0; j < blackCut_distort.inputImg.width; j++)
{
if (i == blackCut_distort.inputImg.height - 3 && j == 0)
{
int a = 0;
}
myMat.myCoor sourceCoor = Turn_get_sourceCoor(i, j, turn_angle);
sourceCoor.i *= height_scale;
sourceCoor.j *= height_scale;
sourceCoor.i += (int)leftUp_point.i;
sourceCoor.j += (int)leftUp_point.j;
Color c = blackCut_distort.interp(sourceCoor, interp_method);
blackCut_distort.resultImg.set_rgb(c, new myMat.myCoor(i, j));
}
}
/*Bitmap bm2 = blackCut_distort.resultImg.img2Bitmap();
* Image<Bgr, byte> draw_img2 = new Image<Bgr, byte>(bm2);
*
* CvInvoke.Imshow("a", draw_img2);
* CvInvoke.WaitKey();*/
int min_y, max_y, max_x, min_x;
blackCut_getIJ(out min_y, out max_y, out min_x, out max_x);
int new_height = max_x - min_x + 1;
int new_width = max_y - min_y + 1;
for (int i = 0; i < new_height; i++)
{
for (int j = 0; j < new_width; j++)
{
int i_cut = min_x + i;
int j_cut = min_y + j;
Color source_color = blackCut_distort.resultImg.getRGB(new myMat.myCoor(i_cut, j_cut));
blackCut_distort.resultImg.set_rgb(source_color, new myMat.myCoor(i, j));
}
}
blackCut_distort.resultImg.height = new_height;
blackCut_distort.resultImg.width = new_width;
}
public double[,] W; //坐标变换所用参数
//保存原图像
public void set_source_img(Bitmap bm)
{
sourceFace_distort = new Pic_distort();
sourceFace_distort.setInputImg(bm);
}
