private void KhungVe_MouseDown(object sender, MouseEventArgs e)
{
if (currentShape == CurrentShape.NoDrawing)
{
if (isControlKeyPress)
{
for (int i = 0; i < shapes.Count; i++)
{
if (shapes[i].IsHit(e.Location))
{
shapes[i].IsSelected = !shapes[i].IsSelected;
KhungVe.Invalidate();
break;
}
}
}
else
{
shapes.ForEach(shape => shape.IsSelected = false);
KhungVe.Invalidate();
for (int i = 0; i < shapes.Count; i++)
{
if (shapes[i].IsHit(e.Location))
{
selectedShape = shapes[i];
shapes[i].IsSelected = true;
KhungVe.Invalidate();
break;
}
}
if (selectedShape != null)
{
isMovingShape = true;
previousPoint = e.Location;
}
else
{
isMouseSelect = true;
selectedRegion = new System.Drawing.Rectangle(e.Location, new Size(0, 0));
}
}
}
else
{
isMouseDown = true;
shapes.ForEach(shape => shape.IsSelected = false);
if (currentShape == CurrentShape.Line)
{
Line line = new Line
{
Begin = e.Location,
LineWidth = cbSize.SelectedIndex,
Color = btnColors.BackColor,
DashStyle = DashStyle.Solid
};
shapes.Add(line);
}
else if (currentShape == CurrentShape.Rectangle)
{
Shapes.Rectangle rectangle = new Shapes.Rectangle
{
Begin = e.Location,
LineWidth = cbSize.SelectedIndex,
Color = btnColors.BackColor,
DashStyle = DashStyle.Solid
};
shapes.Add(rectangle);
}
else if (currentShape == CurrentShape.Ellipse)
{
Ellipse ellipse = new Ellipse
{
Begin = e.Location,
LineWidth = cbSize.SelectedIndex,
Color = btnColors.BackColor,
DashStyle = DashStyle.Solid
};
shapes.Add(ellipse);
}
else if (currentShape == CurrentShape.Square)
{
Square square = new Square
{
Begin = e.Location,
LineWidth = cbSize.SelectedIndex,
Color = btnColors.BackColor,
DashStyle = DashStyle.Solid
};
shapes.Add(square);
}
else if (currentShape == CurrentShape.Circle)
{
Circle circle = new Circle
{
Begin = e.Location,
LineWidth = cbSize.SelectedIndex,
Color = btnColors.BackColor,
DashStyle = DashStyle.Solid
};
shapes.Add(circle);
}
else if (currentShape == CurrentShape.Polygon)
{
if (!isDrawPolygon)
{
Polygon polygon = new Polygon
{
LineWidth = cbSize.SelectedIndex,
Color = btnColors.BackColor,
DashStyle = DashStyle.Solid
};
polygon.Points.Add(e.Location);
polygon.Points.Add(e.Location);
shapes.Add(polygon);
isDrawPolygon = true;
}
else
{
Polygon polygon = shapes[shapes.Count - 1] as Polygon;
polygon.Points[polygon.Points.Count - 1] = e.Location;
polygon.Points.Add(e.Location);
}
isMouseDown = false;
}
else if (currentShape == CurrentShape.Pyramid)
{
if (!isDrawPyramid)
{
Pyramid pyramid = new Pyramid
{
LineWidth = cbSize.SelectedIndex,
Color = btnColors.BackColor,
DashStyle = DashStyle.Solid
};
pyramid.Points.Add(e.Location);
pyramid.Points.Add(e.Location);
shapes.Add(pyramid);
isDrawPyramid = true;
}
else
{
Pyramid pyramid = shapes[shapes.Count - 1] as Pyramid;
pyramid.Points[pyramid.Points.Count - 1] = e.Location;
pyramid.Points.Add(e.Location);
if (pyramid.Points.Count == 4)
{
isDrawPyramid = false;
}
}
isMouseDown = false;
}
else if (currentShape == CurrentShape.Bezier)
{
if (!isDrawBezier)
{
Curve bezier = new Curve
{
LineWidth = cbSize.SelectedIndex,
Color = btnColors.BackColor,
DashStyle = DashStyle.Solid
};
bezier.Points.Add(e.Location);
bezier.Points.Add(e.Location);
shapes.Add(bezier);
isDrawBezier = true;
}
else
{
Curve bezier = shapes[shapes.Count - 1] as Curve;
if (bezier.Points.Count < 4)
{
bezier.Points[bezier.Points.Count - 1] = e.Location;
bezier.Points.Add(e.Location);
}
else
{
isDrawBezier = false;
FindCurveRegion(bezier);
}
}
isMouseDown = false;
}
}
}
public void CreateAShape(MouseEventArgs e)
{
switch (status)
{
case Status.Line:
{
Shape shape = new Line();
shape.ItsPen = new Pen(btnColor.BackColor, Convert.ToInt16(numThickness.Value));
shape.ItsPen.DashStyle = (DashStyle)cbbStyle.SelectedIndex;
shape.ListPoints[0] = shape.ListPoints[1] = e.Location;
listShapes.Add(shape);
break;
}
case Status.Rectangle:
{
Shape shape = new Rectangle();
shape.ItsPen = new Pen(btnColor.BackColor, Convert.ToInt16(numThickness.Value));
shape.ItsPen.DashStyle = (DashStyle)cbbStyle.SelectedIndex;
shape.ListPoints[0] = shape.ListPoints[1] = e.Location;
listShapes.Add(shape);
break;
}
case Status.FillRectangle:
{
Shape shape = new FillRectangle();
shape.ItsPen = new Pen(btnColor.BackColor, Convert.ToInt16(numThickness.Value));
shape.ItsPen.DashStyle = (DashStyle)cbbStyle.SelectedIndex;
shape.SolidBrush = solidBrush;
shape.HatchBrush = hatchBrush;
shape.ListPoints[0] = shape.ListPoints[1] = e.Location;
listShapes.Add(shape);
break;
}
case Status.Ellipse:
{
Shape shape = new Ellipse();
shape.ItsPen = new Pen(btnColor.BackColor, Convert.ToInt16(numThickness.Value));
shape.ItsPen.DashStyle = (DashStyle)cbbStyle.SelectedIndex;
shape.ListPoints[0] = shape.ListPoints[1] = e.Location;
listShapes.Add(shape);
break;
}
case Status.FillEllipse:
{
Shape shape = new FillEllipse();
shape.ItsPen = new Pen(btnColor.BackColor, Convert.ToInt16(numThickness.Value));
shape.ItsPen.DashStyle = (DashStyle)cbbStyle.SelectedIndex;
shape.SolidBrush = solidBrush;
shape.HatchBrush = hatchBrush;
shape.ListPoints[0] = shape.ListPoints[1] = e.Location;
listShapes.Add(shape);
break;
}
case Status.Curve:
{
if (isCurve)
{
if (isSecondClickCurve)
{
listShapes[listShapes.Count - 1].ListPoints[2] = e.Location;
}
else
{
listShapes[listShapes.Count - 1].ListPoints[1] = e.Location;
}
}
else
{
Shape shape = new Curve();
shape.ItsPen = new Pen(btnColor.BackColor, Convert.ToInt16(numThickness.Value));
shape.ItsPen.DashStyle = (DashStyle)cbbStyle.SelectedIndex;
shape.ListPoints[0] = shape.ListPoints[1] = shape.ListPoints[2] = shape.ListPoints[3] = e.Location;
listShapes.Add(shape);
}
break;
}
case Status.Polygon:
{
if (stopDrawPolygon)
{
Shape shape = new Polygon();
shape.ItsPen = new Pen(btnColor.BackColor, Convert.ToInt16(numThickness.Value));
shape.ItsPen.DashStyle = (DashStyle)cbbStyle.SelectedIndex;
listShapes.Add(shape);
listShapes[listShapes.Count - 1].ListPoints[0] = e.Location;
stopDrawPolygon = false;
}
Point point = e.Location;
listShapes[listShapes.Count - 1].ListPoints.Add(point);
listShapes[listShapes.Count - 1].ListDxDy.Add(point);
break;
}
case Status.FillPolygon:
{
if (stopFillPolygon)
{
Shape shape = new FillPolygon();
shape.ItsPen = new Pen(btnColor.BackColor, Convert.ToInt16(numThickness.Value));
shape.ItsPen.DashStyle = (DashStyle)cbbStyle.SelectedIndex;
shape.SolidBrush = solidBrush;
shape.HatchBrush = hatchBrush;
listShapes.Add(shape);
listShapes[listShapes.Count - 1].ListPoints[0] = e.Location;
stopFillPolygon = false;
}
Point point = e.Location;
listShapes[listShapes.Count - 1].ListPoints.Add(point);
listShapes[listShapes.Count - 1].ListDxDy.Add(point);
break;
}
}
}