/// <summary>
/// Helper method: Update the icon of the Shape button.
/// </summary>
private void UpdateShape()
{
//skip updating if shape is unchanged and already has an icon
if (this.shape == ccMainForm.Shape && this.shapeBtn.BackgroundImage != null)
{
return;
}
//change display to current shape
this.shape = this.ccMainForm.Shape;
string shapeIconPath = "";
switch (this.shape)
{
case CCMainForm.DrawingShape.Circle:
shapeIconPath = "Icons/Circle.png";
break;
case CCMainForm.DrawingShape.FilledCircle:
shapeIconPath = "Icons/FilledCircle.png";
break;
case CCMainForm.DrawingShape.FilledRectangle:
shapeIconPath = "Icons/FilledRectangle.png";
break;
case CCMainForm.DrawingShape.Line:
shapeIconPath = "Icons/Line.png";
break;
case CCMainForm.DrawingShape.Pencil:
shapeIconPath = "Icons/Pencil.png";
break;
case CCMainForm.DrawingShape.Rectangle:
shapeIconPath = "Icons/Rectangle.png";
break;
default:
break;
}//end switch
if (shapeIconPath != "")
{
this.shapeBtn.SetIcon(shapeIconPath);
}
//hide the thickness display if shape does not have thickness
if (this.shape == CCMainForm.DrawingShape.FilledCircle ||
this.shape == CCMainForm.DrawingShape.FilledRectangle)
{
this.thicknessBtn.Hide();
}
else
{
this.thicknessBtn.Show();
}
}
void shapeActionEvent(CCMainForm.DrawingShape shape)
{
//ccMainForm.ShowMessage("Click on screen to draw");
ccMainForm.Shape = shape;
ccMainForm.State = CCMainForm.CCFormState.DrawingWait;
ccToolbar.RemoveCurrentToolbarButtons();
//ccMainForm.DrawingDisplay.SetToolIcon(this.enabledIconPath);
//TODO refactor
ccMainForm.UpdateDrawingDisplay();
}
/// <summary>
/// Draw a shape with given color, thickness at start and end points.
/// </summary>
/// <param name="color"></param>
/// <param name="lineThickness"></param>
/// <param name="startPoint"></param>
/// <param name="endPoint"></param>
/// <param name="shape"></param>
public void DrawShape(Color color, float lineThickness, Point startPoint, Point endPoint, CCMainForm.DrawingShape shape)
{
if (loaded == true)
{
Graphics g = Graphics.FromImage((System.Drawing.Image)imageBitmap);
Pen pen = new Pen(color, lineThickness); //for un-filled shapes and line
Brush brush = new SolidBrush(color); //for filled shapes
Rectangle shapeAreaRect = new Rectangle(
Math.Min(startPoint.X, endPoint.X), Math.Min(startPoint.Y, endPoint.Y),
Math.Abs(endPoint.X - startPoint.X), Math.Abs(endPoint.Y - startPoint.Y));
switch (shape)
{
case CCMainForm.DrawingShape.Circle:
g.DrawEllipse(pen, shapeAreaRect);
break;
case CCMainForm.DrawingShape.Fill:
// TODO
Console.WriteLine("Need to implement Fill tool");
break;
case CCMainForm.DrawingShape.FilledCircle:
g.FillEllipse(brush, shapeAreaRect);
break;
case CCMainForm.DrawingShape.FilledRectangle:
g.FillRectangle(brush, shapeAreaRect);
break;
case CCMainForm.DrawingShape.Line:
g.DrawLine(pen, startPoint, endPoint);
break;
case CCMainForm.DrawingShape.Rectangle:
g.DrawRectangle(pen, shapeAreaRect);
break;
default:
break;
} // end switch
} // end if
}
