private void Btn_validate_Click(object sender, EventArgs e)
{
//思路：获取扫描结果的左上角定位点，-》计算偏移量-》整体偏移-》获取答案结果-》是否根据偏移块进行详细偏移
//重新获取扫描结果的定位点
var leftTopArea = this.OriginalPaper.FixedPoint.LeftTop.GetEnlargeOuter();
var cutBitmap = PictureBoxReadCard.Cut(this.OriginalBitmap, leftTopArea.X, leftTopArea.Y, leftTopArea.Width, leftTopArea.Height);
var leftTopInner = common.GetBigRectFromBitmap(cutBitmap, 2000, 6000, leftTopArea.X, leftTopArea.Y);
CalcOffset(this.OriginalPaper.FixedPoint.LeftTop.Inner, leftTopInner, out int offsetX, out int offsetY);
var scanPaper = this.OriginalPaper.NewPaperByOffset(offsetX, offsetY);
//根据偏移块进行调整
scanPaper = CalPaperByOffsetS(scanPaper, this.OriginalBitmap);
var mat = new Image <Bgr, byte>(this.OriginalBitmap).Mat;
PaperRegResultShowForm.DrawPaperRect(mat, scanPaper);
this.picSrc.LoadImage(mat.Bitmap);
//保存
string calOffsetStr = this.IsCalOffset.Checked ? "并模块偏移" : "";
common.SaveMat(mat, $"试卷结果校验后{ calOffsetStr }在扫描模板中显示");
}
private void Btn_regWrap_Click(object sender, EventArgs e)
{
//思路：重新调整大小（根据四个定位点），获取扫描结果的定位点，获取答案结果
//重新获取扫描结果的定位点
var leftTopArea = this.OriginalPaper.FixedPoint.LeftTop.GetEnlargeOuter();
var cutBitmap = PictureBoxReadCard.Cut(this.OriginalBitmap, leftTopArea.X, leftTopArea.Y, leftTopArea.Width, leftTopArea.Height);
var leftTopInner = common.GetBigRectFromBitmap(cutBitmap, 2000, 6000, leftTopArea.X, leftTopArea.Y);
CalcOffset(this.OriginalPaper.FixedPoint.LeftTop.Inner, leftTopInner, out int offsetX, out int offsetY);
var scanPaper = this.OriginalPaper.NewPaperByOffset(offsetX, offsetY);
var mat = new Image <Bgr, byte>(this.OriginalBitmap).Mat;
//通过透视调整大小
List <PointF> srcPoints = scanPaper.FixedPoint.GetPointsByClockwise();
List <PointF> desPoints = new List <PointF>()
{
CVHelper.PointToPointF(scanPaper.FixedPoint.LeftTop.Inner.Location)
};
//右上
var rightTopArea = scanPaper.FixedPoint.RightTop.Outer;
var rightTopBitmap = PictureBoxReadCard.Cut(this.OriginalBitmap, rightTopArea);
var rightTopInner = common.GetBigRectFromBitmap(rightTopBitmap, 2000, 6000, rightTopArea.X, rightTopArea.Y);
desPoints.Add(CVHelper.PointToPointF(rightTopInner.Location));
//右下
var rightBottomArea = scanPaper.FixedPoint.RightBottom.Outer;
var rightBottomBitmap = PictureBoxReadCard.Cut(this.OriginalBitmap, rightBottomArea);
var rightBottomInner = common.GetBigRectFromBitmap(rightBottomBitmap, 2000, 6000, rightBottomArea.X, rightBottomArea.Y);
desPoints.Add(CVHelper.PointToPointF(rightBottomInner.Location));
//左下
var leftBottomArea = scanPaper.FixedPoint.LeftBottom.Outer;
var leftBottomBitmap = PictureBoxReadCard.Cut(this.OriginalBitmap, leftBottomArea);
var leftBottomInner = common.GetBigRectFromBitmap(leftBottomBitmap, 2000, 6000, leftBottomArea.X, leftBottomArea.Y);
desPoints.Add(CVHelper.PointToPointF(leftBottomInner.Location));
//计算透视矩阵
Mat data = CvInvoke.GetPerspectiveTransform(desPoints.ToArray(), srcPoints.ToArray());
//进行透视操作
//Mat src_gray = new Mat();
Mat mat_Perspective = new Mat();
CvInvoke.WarpPerspective(mat, mat_Perspective, data, this.OriginalBitmap.Size);
//根据偏移块进行调整
scanPaper = CalPaperByOffsetS(scanPaper, mat_Perspective.Bitmap);
PaperRegResultShowForm.DrawPaperRect(mat_Perspective, scanPaper);
this.picSrc.LoadImage(mat_Perspective.Bitmap);
//保存
string calOffsetStr = this.IsCalOffset.Checked ? "并模块偏移" : "";
common.SaveMat(mat_Perspective, $"试卷结果校正透视后{calOffsetStr}在扫描模板中显示");
}
private void Btn_validate2_Click(object sender, EventArgs e)
{
//思路获取偏移量，
List <PointF> srcPoints = this.OriginalPaper.FixedPoint.GetPointsByClockwise();
List <PointF> desPoints = new List <PointF>();
//重新获取扫描结果的全部定位点-》重新调整大小（根据四个定位点透视）
//左上
var leftTopArea = this.OriginalPaper.FixedPoint.LeftTop.GetEnlargeOuter();
var cutBitmap = PictureBoxReadCard.Cut(this.OriginalBitmap, leftTopArea.X, leftTopArea.Y, leftTopArea.Width, leftTopArea.Height);
var leftTopInner = common.GetBigRectFromBitmap(cutBitmap, 500, 6000, leftTopArea.X, leftTopArea.Y);
desPoints.Add(leftTopInner.Location);
//右上
var rightTopArea = this.OriginalPaper.FixedPoint.RightTop.GetEnlargeOuter();
var rightTopBitmap = PictureBoxReadCard.Cut(this.OriginalBitmap, rightTopArea);
var rightTopInner = common.GetBigRectFromBitmap(rightTopBitmap, 500, 6000, rightTopArea.X, rightTopArea.Y);
desPoints.Add(CVHelper.PointToPointF(rightTopInner.Location));
//右下
var rightBottomArea = this.OriginalPaper.FixedPoint.RightBottom.GetEnlargeOuter();
var rightBottomBitmap = PictureBoxReadCard.Cut(this.OriginalBitmap, rightBottomArea);
var rightBottomInner = common.GetBigRectFromBitmap(rightBottomBitmap, 500, 6000, rightBottomArea.X, rightBottomArea.Y);
desPoints.Add(CVHelper.PointToPointF(rightBottomInner.Location));
//左下
var leftBottomArea = this.OriginalPaper.FixedPoint.LeftBottom.GetEnlargeOuter();
var leftBottomBitmap = PictureBoxReadCard.Cut(this.OriginalBitmap, leftBottomArea);
var leftBottomInner = common.GetBigRectFromBitmap(leftBottomBitmap, 500, 6000, leftBottomArea.X, leftBottomArea.Y);
desPoints.Add(CVHelper.PointToPointF(leftBottomInner.Location));
//计算透视矩阵
Mat data = CvInvoke.GetPerspectiveTransform(desPoints.ToArray(), srcPoints.ToArray());
//进行透视操作
var mat = new Image <Bgr, byte>(this.OriginalBitmap).Mat;
Mat mat_Perspective = new Mat();
CvInvoke.WarpPerspective(mat, mat_Perspective, data, this.OriginalBitmap.Size, Inter.Nearest, Warp.Default, BorderType.Constant, new MCvScalar(255, 255, 255));
//根据偏移块进行调整
var paper = CalPaperByOffsetS(this.OriginalPaper, mat_Perspective.Bitmap);
PaperRegResultShowForm.DrawPaperRect(mat_Perspective, paper);
this.picSrc.LoadImage(mat_Perspective.Bitmap);
//保存
string calOffsetStr = this.IsCalOffset.Checked ? "并模块偏移" : "";
common.SaveMat(mat_Perspective, $"试卷结果直接透视后{calOffsetStr}在扫描模板中显示");
}
private void Btn_resultShow_Click(object sender, EventArgs e)
{
//先保存
if (this.ckb_save.Checked)
{
this.SavePaper();
}
PaperRegResultShowForm form = new PaperRegResultShowForm(this.Paper, (Bitmap)this.ib_original.orignalBitmap.Clone());
form.Show();
}
private void Btn_recover_Click(object sender, EventArgs e)
{
var mat = new Image <Bgr, byte>(this.OriginalBitmap).Mat;
PaperRegResultShowForm.DrawPaperRect(mat, this.OriginalPaper);
this.picSrc.LoadImage(mat.Bitmap);
//保存
common.SaveMat(mat, "试卷结果在扫描模板中显示");
}
