private Shape GetNewShapeBasedOnType(EditState state, float lineWidth, Color penColor)
{
Shape shape = null;
Color color = Color.FromArgb(ShapeOpacity, penColor);
switch (state)
{
case EditState.PEN:
break;
case EditState.CIRCLE:
shape = new MyCircle(lineWidth, color, Point.Empty, Point.Empty);
break;
case EditState.RECTANGLE:
shape = new MyRectangle(lineWidth, color, Point.Empty, Point.Empty);
break;
case EditState.ARROW:
shape = new Arrow(color, Point.Empty, Point.Empty);
Arrow temp = shape as Arrow;
temp.ArrowWidth = ArrowSize;
break;
case EditState.LINE:
shape = new Line(lineWidth, color, Point.Empty, Point.Empty);
break;
case EditState.CROP:
case EditState.NONE:
default:
break;
}
return(shape);
}
private void MainForm_Paint(object sender, PaintEventArgs e)
{
Rectangle borderRectangle = this.ClientRectangle;
//borderRectangle.Inflate(-10, -10);
ControlPaint.DrawBorder(e.Graphics, borderRectangle, Color.Red, 3, ButtonBorderStyle.Dashed,
Color.Red, 3, ButtonBorderStyle.Dashed,
Color.Red, 3, ButtonBorderStyle.Dashed,
Color.Red, 3, ButtonBorderStyle.Dashed);
if (optionsForm.Visible == false)
{
DrawTextForAnnotationDialog(e.Graphics);
}
if (currentState == CurrentState.STATE_EDITING)
{
//Draw already drawn shapes
Graphics g = e.Graphics;
Point cursorPt = this.PointToClient(Cursor.Position);
switch (editState)
{
case EditState.NONE:
break;
case EditState.CROP:
GenerateGridLinesFromPoint(cursorPt, out HorzGridLine, out VertGridLine);
break;
case EditState.PEN:
if (penPoints.Count == 0)
{
break;
}
penPoints.Add(cursorPt);
Color color = Color.FromArgb(ShapeOpacity, DrawingColor);
MyPen pen = new MyPen(PenSize, color);
pen.SetDrawPoints(penPoints);
pen.Draw(g);
break;
case EditState.CIRCLE:
case EditState.RECTANGLE:
case EditState.ARROW:
case EditState.LINE:
if (!FirstEditPointDone)
{
break;
}
Shape temp = GetNewShapeBasedOnType(editState, PenSize, DrawingColor);
temp.StartPoint = FirstEditPoint;
temp.EndPoint = cursorPt;
temp.Draw(g);
break;
case EditState.TEXT:
if (!FirstEditPointDone)
{
break;
}
Point start = FirstEditPoint;
Point end = cursorPt;
Utility.NormalizePts(ref start, ref end);
MyRectangle rect = new MyRectangle(1.0f, Color.Black, start, end);
rect.Draw(g);
break;
case EditState.SELECTION:
if (SelectedShape == null || !selectionPoint.HasValue)
{
break;
}
SelectedShape.AdjustPoints(selectionPoint.Value, leftDistance, topDistance);
SelectedShape.Draw(g);
break;
default:
break;
}
foreach (var shape in drawObjects)
{
shape.Draw(g);
}
//draw GridLines if in Cropping mode
if (editState == EditState.CROP)
{
if (FirstEditPointDone)
{
Line horzLine, vertLine;
GenerateGridLinesFromPoint(FirstEditPoint, out horzLine, out vertLine);
horzLine.Draw(g);
vertLine.Draw(g);
}
HorzGridLine.Draw(g);
VertGridLine.Draw(g);
}
}
}