private void plMain_MouseUp(object sender, MouseEventArgs e)
{
if (isMovingShape)
{
isMovingShape = false;
selectedShape = null;
}
if (isResizingShape)
{
isResizingShape = false;
ReSizeShape = null;
selectedShape = null;
}
if (isMouseSelect)
{
isMouseSelect = false;
for (int i = 0; i < lstObject.Count; i++)
{
lstObject[i].IsSelected = false;
if (lstObject[i].p1.X >= selectedRegion.X && lstObject[i].p2.X <= selectedRegion.X + selectedRegion.Width && lstObject[i].p1.Y >= selectedRegion.Y && lstObject[i].p2.Y <= selectedRegion.Y + selectedRegion.Height)
{
lstObject[i].IsSelected = true;
}
}
for (int i = 0; i < LstCurve.Count; i++)
{
LstCurve[i].IsSelected = false;
if (LstCurve[i].p1.X >= selectedRegion.X && LstCurve[i].p2.X <= selectedRegion.X + selectedRegion.Width && LstCurve[i].p1.Y >= selectedRegion.Y && LstCurve[i].p2.Y <= selectedRegion.Y + selectedRegion.Height)
{
LstCurve[i].IsSelected = true;
}
}
for (int i = 0; i < Polygons.Count; i++)
{
Polygons[i].IsSelected = false;
if (Polygons[i].p1.X >= selectedRegion.X && Polygons[i].p2.X <= selectedRegion.X + selectedRegion.Width && Polygons[i].p1.Y >= selectedRegion.Y && Polygons[i].p2.Y <= selectedRegion.Y + selectedRegion.Height)
{
Polygons[i].IsSelected = true;
}
}
for (int i = 0; i < lstGroup.Count; i++)
{
lstGroup[i].IsSelected = false;
if (lstGroup[i].p1.X >= selectedRegion.X && lstGroup[i].p2.X <= selectedRegion.X + selectedRegion.Width && lstGroup[i].p1.Y >= selectedRegion.Y && lstGroup[i].p2.Y <= selectedRegion.Y + selectedRegion.Height)
{
lstGroup[i].IsSelected = true;
}
}
plMain.Refresh();
}
if (bLine == true || bEcllipse == true || bRect == true || bCircle == true || bSquare == true)
{
this.lstObject[this.lstObject.Count - 1].p2 = e.Location;
selectedShape = null;
this.plMain.Refresh();
isStartpoly = 0;
}
this.bLine = false;
this.bEcllipse = false;
this.bRect = false;
this.bCircle = false;
this.bSquare = false;
this.isPress = false;
IsDrawNothing = true;
if (bPolygon == true)
{
this.Polygons[this.Polygons.Count - 1].PolygonPoints[this.Polygons[this.Polygons.Count - 1].PolygonPoints.Count - 1] = e.Location;
this.plMain.Refresh();
IsDrawNothing = false;
}
if (bCurve == true)
{
this.LstCurve[this.LstCurve.Count - 1].Points[this.LstCurve[this.LstCurve.Count - 1].Points.Count - 1] = e.Location;
this.plMain.Refresh();
IsDrawNothing = false;
}
}
private void plMain_MouseDown(object sender, MouseEventArgs e)
{
this.isPress = true;
this.isStartpoly += 1;
this.isStartCurve += 1;
#region Vẽ Hình
if (this.bLine == true)
{
clsDrawObject myObj;
myObj = new clsLine();
myObj.myPen = new Pen(myColor, thick);
myObj.myPen.DashStyle = Dstyle;
myObj.Filled = Fill;
myObj.p1 = e.Location;
myObj.myOutLineColor = myColor;
myObj.width = thick;
myObj.DStyle = Dstyle;
this.lstObject.Add(myObj);
}
if (this.bCircle == true)
{
clsDrawObject myObj;
myObj = new clsCircle();
myObj.Filled = Fill;
myObj.myOutLineColor = myColor;
myObj.width = thick;
myObj.myFillColor = myFillColor;
myObj.DStyle = Dstyle;
myObj.BrushTypes = Getbrush;
myObj.p1 = e.Location;
this.lstObject.Add(myObj);
}
if (this.bEcllipse == true)
{
clsDrawObject myObj;
myObj = new clsEllipse();
myObj.DStyle = Dstyle;
myObj.Filled = Fill;
myObj.myOutLineColor = myColor;
myObj.width = thick;
myObj.myFillColor = myFillColor;
myObj.BrushTypes = Getbrush;
myObj.p1 = e.Location;
this.lstObject.Add(myObj);
}
if (this.bSquare == true)
{
clsDrawObject myObj;
myObj = new clsSquare();
myObj.myOutLineColor = myColor;
myObj.width = thick;
myObj.myFillColor = myFillColor;
myObj.DStyle = Dstyle;
myObj.BrushTypes = Getbrush;
myObj.Filled = Fill;
myObj.p1 = e.Location;
this.lstObject.Add(myObj);
}
if (this.bRect == true)
{
clsDrawObject myObj;
myObj = new clsRectangle();
myObj.myOutLineColor = myColor;
myObj.width = thick;
myObj.myFillColor = myFillColor;
myObj.DStyle = Dstyle;
myObj.BrushTypes = Getbrush;
myObj.Filled = Fill;
myObj.p1 = e.Location;
this.lstObject.Add(myObj);
}
if (this.bPolygon == true)
{
if (isStartpoly == 1)
{
clsPolygon mypoly;
mypoly = new clsPolygon();
mypoly.Filled = Fill;
mypoly.myOutLineColor = myColor;
mypoly.width = thick;
mypoly.myFillColor = myFillColor;
mypoly.DStyle = Dstyle;
mypoly.BrushTypes = Getbrush;
mypoly.PolygonPoints.Add(e.Location);
this.Polygons.Add(mypoly);
}
this.Polygons[this.Polygons.Count - 1].PolygonPoints.Add(e.Location);
}
if (this.bCurve == true)
{
if (isStartCurve == 1)
{
clsCurve myCurve;
myCurve = new clsCurve();
myCurve.Filled = Fill;
myCurve.myOutLineColor = myColor;
myCurve.width = thick;
myCurve.myFillColor = myFillColor;
myCurve.DStyle = Dstyle;
myCurve.BrushTypes = Getbrush;
myCurve.Points.Add(e.Location);
this.LstCurve.Add(myCurve);
}
this.LstCurve[this.LstCurve.Count - 1].Points.Add(e.Location);
}
#endregion ;
#region Không vẽ hình
if (IsDrawNothing == true)
{
if (isControlKeyPress == true)
{
for (int i = 0; i < lstObject.Count; i++)
{
if (lstObject[i].IsHit(e.Location))
{
lstObject[i].IsSelected = true;
plMain.Refresh();
}
}
for (int i = 0; i < Polygons.Count; i++)
{
if (Polygons[i].IsHit(e.Location) && bPolygon != true)
{
Polygons[i].IsSelected = true;
plMain.Refresh();
}
}
for (int i = 0; i < LstCurve.Count; i++)
{
if (LstCurve[i].IsHit(e.Location) && bCurve != true)
{
LstCurve[i].IsSelected = true;
plMain.Refresh();
}
}
for (int i = 0; i < lstGroup.Count; i++)
{
if (lstGroup[i].IsHit(e.Location))
{
lstGroup[i].IsSelected = true;
plMain.Refresh();
}
}
}
else
{
LstCurve.ForEach(shape => shape.IsSelected = false);
lstObject.ForEach(shape => shape.IsSelected = false);
Polygons.ForEach(shape => shape.IsSelected = false);
lstGroup.ForEach(shape => shape.IsSelected = false);
plMain.Invalidate();
plMain.Refresh();
for (int i = 0; i < lstObject.Count; i++)
{
if (isHitPoint(e.Location, lstObject[i].p2) || isHitPoint(e.Location, lstObject[i].p1) ||
isHitPoint(e.Location, lstObject[i].p3) || isHitPoint(e.Location, lstObject[i].p4))
{
ReSizeShape = lstObject[i];
lstObject[i].IsSelected = true;
lstObject[i].IsReSized = true;
plMain.Refresh();
break;
}
if (lstObject[i].IsHit(e.Location))
{
selectedShape = lstObject[i];
lstObject[i].IsSelected = true;
plMain.Refresh();
break;
}
}
for (int i = 0; i < Polygons.Count; i++)
{
FindPolygonRegion(Polygons[i]);
if (isHitPoint(e.Location, Polygons[i].p2) || isHitPoint(e.Location, Polygons[i].p1))
{
if (isHitPoint(e.Location, Polygons[i].p1))
{
position = 1;
}
if (isHitPoint(e.Location, Polygons[i].p2))
{
position = 2;
}
ReSizeShape = Polygons[i];
Polygons[i].IsSelected = true;
Polygons[i].IsReSized = true;
plMain.Refresh();
break;
}
if (Polygons[i].IsHit(e.Location))
{
selectedShape = Polygons[i];
Polygons[i].IsSelected = true;
plMain.Refresh();
break;
}
}
for (int i = 0; i < LstCurve.Count; i++)
{
FindCurveRegion(LstCurve[i]);
if (isHitPoint(e.Location, LstCurve[i].p2) || isHitPoint(e.Location, LstCurve[i].p1))
{
if (isHitPoint(e.Location, LstCurve[i].p1))
{
position = 1;
}
if (isHitPoint(e.Location, LstCurve[i].p2))
{
position = 2;
}
ReSizeShape = LstCurve[i];
LstCurve[i].IsSelected = true;
LstCurve[i].IsReSized = true;
plMain.Refresh();
break;
}
if (LstCurve[i].IsHit(e.Location))
{
selectedShape = LstCurve[i];
LstCurve[i].IsSelected = true;
plMain.Refresh();
break;
}
}
for (int i = 0; i < lstGroup.Count; i++)
{
FindGroupRegion(lstGroup[i]);
if (isHitPoint(e.Location, lstGroup[i].p2))
{
ReSizeShape = lstGroup[i];
lstGroup[i].IsSelected = true;
lstGroup[i].IsReSized = true;
plMain.Refresh();
break;
}
if (lstGroup[i].IsHit(e.Location))
{
selectedShape = lstGroup[i];
lstGroup[i].IsSelected = true;
plMain.Refresh();
break;
}
}
if (selectedShape != null)
{
isMovingShape = true;
previousPoint = e.Location;
}
else
if (ReSizeShape != null)
{
isResizingShape = true;
previousPoint = e.Location;
if (position == 2)
{
Polybegin = ReSizeShape.p1;
PolyEnd = ReSizeShape.p2;
}
if (position == 1)
{
Polybegin = ReSizeShape.p2;
PolyEnd = ReSizeShape.p1;
}
}
else
{
isMouseSelect = true;
selectedRegion = new System.Drawing.Rectangle(e.Location, new Size(0, 0));
}
}
}
#endregion
}
private void plMain_MouseMove(object sender, MouseEventArgs e)
{
if (isMovingShape == true)
{
Point d = new Point(e.X - previousPoint.X, e.Y - previousPoint.Y);
selectedShape.Move(d);
previousPoint = e.Location;
plMain.Invalidate();
}
if (isResizingShape == true)
{
if (ReSizeShape is clsPolygon polygon)
{
if (position == 1)
{
PointF P = ReSizeShape.p1;
ReSizeShape.p1 = ReSizeShape.p2;
ReSizeShape.p2 = P;
}
PointF d = new PointF(e.X - previousPoint.X, e.Y - previousPoint.Y);
polygon.Resize(d, Polybegin, PolyEnd);
//FindPolygonRegion(polygon);
PolyEnd = polygon.p2;
previousPoint = e.Location;
plMain.Invalidate();
}
else if (ReSizeShape is Group group)
{
PointF d = new PointF(e.X - previousPoint.X, e.Y - previousPoint.Y);
group.Resize(d, Polybegin, PolyEnd);
FindGroupRegion(group);
PolyEnd = group.p2;
previousPoint = e.Location;
plMain.Invalidate();
}
else if (ReSizeShape is clsCurve curve)
{
if (position == 1)
{
PointF P = ReSizeShape.p1;
ReSizeShape.p1 = ReSizeShape.p2;
ReSizeShape.p2 = P;
}
PointF d = new PointF(e.X - previousPoint.X, e.Y - previousPoint.Y);
curve.Resize(d, Polybegin, PolyEnd);
// FindCurveRegion(curve);
PolyEnd = curve.p2;
previousPoint = e.Location;
plMain.Invalidate();
}
else
{
if (isHitPoint(e.Location, ReSizeShape.p1))
{
ReSizeShape.p1 = ReSizeShape.p2;
}
if (isHitPoint(e.Location, ReSizeShape.p3))
{
ReSizeShape.p1 = ReSizeShape.p4;
}
if (isHitPoint(e.Location, ReSizeShape.p4))
{
ReSizeShape.p1 = ReSizeShape.p3;
}
ReSizeShape.Resize(e.Location);
}
plMain.Refresh();
}
if (IsDrawNothing == true)
{
if (isMouseSelect)
{
selectedRegion.Width = e.Location.X - selectedRegion.X;
selectedRegion.Height = e.Location.Y - selectedRegion.Y;
plMain.Refresh();
}
else
{
plMain.Cursor = Cursors.Default;
foreach (clsDrawObject shape in lstObject)
{
if (isHitPoint(e.Location, shape.p2) || isHitPoint(e.Location, shape.p1) ||
isHitPoint(e.Location, shape.p3) || isHitPoint(e.Location, shape.p4))
{
plMain.Cursor = Cursors.Hand;
}
if (shape.IsHit(e.Location))
{
plMain.Cursor = Cursors.SizeAll;
}
}
foreach (clsPolygon shape in Polygons)
{
FindPolygonRegion(shape);
if (isHitPoint(e.Location, shape.p2) || isHitPoint(e.Location, shape.p1))
{
plMain.Cursor = Cursors.Hand;
}
if (shape.IsHit(e.Location))
{
plMain.Cursor = Cursors.SizeAll;
}
}
foreach (Group shape in lstGroup)
{
FindGroupRegion(shape);
if (isHitPoint(e.Location, shape.p2))
{
plMain.Cursor = Cursors.Hand;
}
if (shape.IsHit(e.Location))
{
plMain.Cursor = Cursors.SizeAll;
}
}
foreach (clsCurve shape in LstCurve)
{
FindCurveRegion(shape);
if (isHitPoint(e.Location, shape.p2) || isHitPoint(e.Location, shape.p1))
{
plMain.Cursor = Cursors.Hand;
}
if (shape.IsHit(e.Location))
{
plMain.Cursor = Cursors.SizeAll;
}
}
if (Polygons.Exists(shape => shape.IsHit(e.Location)) || LstCurve.Exists(shape => shape.IsHit(e.Location)) || lstGroup.Exists(shape => shape.IsHit(e.Location)))
{
plMain.Cursor = Cursors.SizeAll;
}
}
}
if (this.isPress == true)
{
if (bLine == true || bEcllipse == true || bRect == true || bSquare == true)
{
this.lstObject[this.lstObject.Count - 1].p2 = e.Location;
this.plMain.Refresh();
}
if (bCircle == true)
{
if (this.lstObject[this.lstObject.Count - 1] is clsCircle)
{
this.lstObject[this.lstObject.Count - 1].p2 = e.Location;
clsDrawObject X = this.lstObject[this.lstObject.Count - 1];
plMain.Refresh();
}
}
if (isStartpoly > 1)
{
if (bPolygon == true)
{
this.Polygons[this.Polygons.Count - 1].PolygonPoints[this.Polygons[this.Polygons.Count - 1].PolygonPoints.Count - 1] = e.Location;
this.plMain.Refresh();
}
}
if (isStartCurve > 1)
{
if (bCurve == true)
{
this.LstCurve[this.LstCurve.Count - 1].Points[this.LstCurve[this.LstCurve.Count - 1].Points.Count - 1] = e.Location;
this.plMain.Refresh();
}
}
}
}
/// <summary>
/// Tìm cái khung chứa group này
/// </summary>
private void FindGroupRegion(Group group)
{
float minX = float.MaxValue, minY = float.MaxValue, maxX = float.MinValue, maxY = float.MinValue;
for (int i = 0; i < group.Count; i++)
{
clsDrawObject shape = group[i];
if (shape is clsCurve curve)
{
FindCurveRegion(curve);
}
else if (shape is clsPolygon polygon)
{
FindPolygonRegion(polygon);
}
else if (shape is Group group1)
{
FindGroupRegion(group1);
}
if (shape.p1.X < minX)
{
minX = shape.p1.X;
}
if (shape.p2.X < minX)
{
minX = shape.p2.X;
}
if (shape.p1.Y < minY)
{
minY = shape.p1.Y;
}
if (shape.p2.Y < minY)
{
minY = shape.p2.Y;
}
if (shape.p1.X > maxX)
{
maxX = shape.p1.X;
}
if (shape.p2.X > maxX)
{
maxX = shape.p2.X;
}
if (shape.p1.Y > maxY)
{
maxY = shape.p1.Y;
}
if (shape.p2.Y > maxY)
{
maxY = shape.p2.Y;
}
}
group.p1 = new PointF(minX - 5, minY - 5);
group.p2 = new PointF(maxX + 5, maxY + 5);
group.p3 = new PointF(group.p1.X, group.p2.Y);
group.p4 = new PointF(group.p2.X, group.p1.Y);
}