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);
}
}
}
private void MainForm_MouseUp(object sender, MouseEventArgs e)
{
//We are handling mouse up for left click only as of now
if (e.Button != System.Windows.Forms.MouseButtons.Left)
{
return;
}
if (currentState == CurrentState.STATE_EDITING)
{
Point cursorPt = this.PointToClient(Cursor.Position);
switch (editState)
{
case EditState.NONE:
break;
case EditState.RECTANGLE:
case EditState.CIRCLE:
case EditState.ARROW:
case EditState.LINE:
if (FirstEditPoint != SecondEditPoint)
{
SecondEditPoint = cursorPt;
Shape temp = GetNewShapeBasedOnType(editState, PenSize, DrawingColor);
temp.StartPoint = FirstEditPoint;
temp.EndPoint = SecondEditPoint;
drawObjects.Add(temp);
}
FirstEditPoint = Point.Empty;
SecondEditPoint = Point.Empty;
FirstEditPointDone = false;
break;
case EditState.CROP:
SecondEditPoint = cursorPt;
if (FirstEditPoint != SecondEditPoint)
{
GenerateCropBitmapAndOverlay(FirstEditPoint, SecondEditPoint);
}
FirstEditPoint = Point.Empty;
SecondEditPoint = Point.Empty;
FirstEditPointDone = false;
optionsForm.SetUIState(EditState.ARROW);
break;
case EditState.PEN:
if (penPoints.Count != 0)
{
MyPen pen = new MyPen(PenSize, Color.FromArgb(ShapeOpacity, DrawingColor));
pen.SetDrawPoints(penPoints);
drawObjects.Add(pen);
}
penPoints.Clear();
break;
case EditState.TEXT:
if (FirstEditPoint == SecondEditPoint)
{
SecondEditPoint.X = cursorPt.X + 100;
SecondEditPoint.Y = cursorPt.Y + 30;
}
else
{
SecondEditPoint = cursorPt;
}
Point firstHit = this.PointToClient(FirstEditPoint);
Point secondHit = this.PointToClient(SecondEditPoint);
Utility.NormalizePts(ref firstHit, ref secondHit);
textBox1.SetBounds(firstHit.X, firstHit.Y, secondHit.X - firstHit.X, secondHit.Y - firstHit.Y);
this.textBox1.Visible = true;
textBox1.Font = txtFont;
textBox1.ForeColor = Color.FromArgb(ShapeOpacity, DrawingColor);
textBox1.Focus();
FirstEditPointDone = false;
break;
case EditState.SELECTION:
if (SelectedShape != null && selectedShapeIndex != -1)
{
drawObjects[selectedShapeIndex] = SelectedShape;
//SelectedShape = null;
//selectedShapeIndex = -1;
}
break;
default:
break;
}
}
Invalidate();
}