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");
}
/// <summary>
/// 根据偏移块，构造新的
/// </summary>
/// <param name="paper"></param>
/// <returns></returns>
private Paper CalPaperByOffsetS(Paper paper, Bitmap bitmap)
{
if (this.IsCalOffset.Checked || this.IsCalOffsetRow.Checked)
{
var newOffsetAreaList = new List <OffsetArea>();
paper.OffsetAreas.ForEach(offsetArea =>
{
var offsetCutBitmap = PictureBoxReadCard.Cut(bitmap, offsetArea.Area);
var rectlist = common.GetRectListFromBitmap(offsetCutBitmap, 200, 2000, 0, 0, false, 0);
newOffsetAreaList.Add(new OffsetArea(offsetArea.Area, rectlist, offsetArea.OffsetType));
});
if (!this.IsCalOffsetRow.Checked)
{
var result = newOffsetAreaList.RemoveAll(a => a.OffsetType == OffsetType.Rows);
newOffsetAreaList.AddRange(paper.OffsetAreas.Where(a => a.OffsetType == OffsetType.Rows));
}
if (!this.IsCalOffset.Checked)
{
var result = newOffsetAreaList.RemoveAll(a => a.OffsetType == OffsetType.Column);
newOffsetAreaList.AddRange(paper.OffsetAreas.Where(a => a.OffsetType == OffsetType.Column));
}
//检查数量是否相同
var newCount = 0;
var originalCount = 0;
newOffsetAreaList.ForEach(a =>
{
newCount += a.OffsetList.Count;
});
paper.OffsetAreas.ForEach(a =>
{
originalCount += a.OffsetList.Count;
});
if (newCount == originalCount)
{
paper = paper.NewPaperByOffsetS(newOffsetAreaList);
}
else
{
MessageBox.Show("检查到的偏移定位块数量不等，将不会根据定位块进行调整偏移量");
}
}
return(paper);
}
private void Btn_reg_Click(object sender, EventArgs e)
{
if (this.picSrc.Image == null)
{
MessageBox.Show("请先加载图片");
return;
}
CVHelper commonUse = new CVHelper();
List <Rectangle> posRectList = new List <Rectangle>();
for (int i = 0; i < this.picSrc.RegionInfo.RectList.Count; i++)
{
var tmpRect = this.picSrc.RegionInfo.RectList[i];
var cutedBitmap = PictureBoxReadCard.Cut(this.picSrc.orignalBitmap, tmpRect.X, tmpRect.Y, tmpRect.Width, tmpRect.Height);
if (cutedBitmap == null)
{
MessageBox.Show("将要识别的图片不能为空");
return;
}
var rectList = commonUse.GetRectListFromBitmap(cutedBitmap, 200, 6000, tmpRect.X, tmpRect.Y, false, 0);
posRectList.AddRange(rectList);
}
//获取定位点信息
var dic = commonUse.OrderRectList(posRectList, true, false);
var tempList1 = dic[1].OrderBy(r => r.X).ToList();
var tempList2 = dic[2].OrderBy(r => r.X).ToList();
//四个点
var p1 = tempList1[0];
var p2 = new Point(tempList1[1].X, p1.Y);
lbl1.Text = $"左上角：X：{tempList1[0].X},Y：{tempList1[0].Y},Width:{tempList1[0].Width},Height:{tempList1[0].Height}";
lbl2.Text = $"右上角：X：{tempList1[1].X},Y：{tempList1[1].Y},Width:{tempList1[1].Width},Height:{tempList1[1].Height}";
lbl3.Text = $"左下角：X：{tempList2[0].X},Y：{tempList2[0].Y},Width:{tempList2[0].Width},Height:{tempList2[0].Height}";
lbl4.Text = $"右下角：X：{tempList2[1].X},Y：{tempList2[1].Y},Width:{tempList2[1].Width},Height:{tempList2[1].Height}";
var width = tempList1[1].X - tempList1[0].X;
var height = tempList2[0].Y - tempList1[0].Y;
lbl5.Text = $"W:{width}，H:{height}";
Console.WriteLine($"{lbl1.Text};{lbl5.Text}");
//画出所有定位点
//排序
//var rectListDic = commonUse.OrderRectList(rectList);
using (Mat src = new Image <Bgr, byte>((Bitmap)this.picSrc.orignalBitmap.Clone()).Mat)
{
foreach (var item in posRectList)
{
CvInvoke.Rectangle(src, item, new MCvScalar(0, 0, 255));
}
CvInvoke.Line(src, tempList1[0].Location, tempList1[1].Location, new MCvScalar(0, 0, 255), 2);
CvInvoke.Line(src, tempList2[0].Location, tempList1[0].Location, new MCvScalar(0, 0, 255), 2);
CvInvoke.PutText(src, lbl5.Text, tempList1[0].Location, FontFace.HersheyComplex, 3, new MCvScalar(0, 0, 255), 2);
commonUse.SaveMat(src, "定位点画出后");
}
}