/// <summary>
/// Rotate a square
/// </summary>
/// <param name="g"></param>
private void RotateSquare()
{
//old square object to delete the old one
Square oldSquare = new Square(MainForm.shapes[ShapeSelectionForm.index].Start,
MainForm.shapes[ShapeSelectionForm.index].End,
MainForm.shapes[ShapeSelectionForm.index].Colour);
//square object with rotated points
Square rotatedSquare = new Square(RotatePoint(MainForm.shapes[ShapeSelectionForm.index].Start, ShapeCenter),
RotatePoint(MainForm.shapes[ShapeSelectionForm.index].End, ShapeCenter),
MainForm.shapes[ShapeSelectionForm.index].Colour);
//delete the old square
oldSquare.DrawSqaure(new Pen(MainForm.Canvas.BackColor));
//draw the rotated square
rotatedSquare.HighlightSqaure(new Pen(rotatedSquare.Colour));
//insert the square into the index of the selected shape
MainForm.shapes.Insert(ShapeSelectionForm.index, rotatedSquare);
//remove the shape after the inserted shape
MainForm.shapes.RemoveAt(ShapeSelectionForm.index + 1);
//highlight the newly rotated square
rotatedSquare.HighlightSqaure(new Pen(rotatedSquare.Colour));
MainForm.ApplyDrawingChange();
}
public void MoveSquareRight()
{
Square oldSquare = new Square(new Point(MainForm.shapes[ShapeSelectionForm.index].Start.X,
MainForm.shapes[ShapeSelectionForm.index].Start.Y),
new Point(MainForm.shapes[ShapeSelectionForm.index].End.X,
MainForm.shapes[ShapeSelectionForm.index].End.Y),
MainForm.shapes[ShapeSelectionForm.index].Colour);
Square movedSquare = new Square(new Point(MainForm.shapes[ShapeSelectionForm.index].Start.X + movementIncrement,
MainForm.shapes[ShapeSelectionForm.index].Start.Y),
new Point(MainForm.shapes[ShapeSelectionForm.index].End.X + movementIncrement,
MainForm.shapes[ShapeSelectionForm.index].End.Y),
MainForm.shapes[ShapeSelectionForm.index].Colour);
oldSquare.DrawSqaure(new Pen(MainForm.Canvas.BackColor, MainForm.PenSize));
movedSquare.HighlightSqaure(new Pen(movedSquare.Colour));
MainForm.shapes.Insert(ShapeSelectionForm.index, movedSquare);
MainForm.shapes.RemoveAt(ShapeSelectionForm.index + 1);
movedSquare.HighlightSqaure(new Pen(movedSquare.Colour));
CalculateSquareCenter(movedSquare);
}
/// <summary>
/// Hightlights the relevant shape to show it is selected
/// </summary>
public static void HighlightShapeInList()
{
//draws to the canvas of the main form
using Graphics g = Graphics.FromImage(MainForm.drawingRegion);
//if the shape list is not empty and the index is less than the amount of shapes in the list
if (MainForm.shapes.Count > -1 && index < MainForm.shapes.Count)
{
//if the index is greater than 0, highlight the appropriate shape
if (index >= 0)
{
//switch statement for the shape type
switch (MainForm.shapes[index].Type)
{
case "Square":
//square object to replace the old square
Square replacementSquare = new Square(MainForm.shapes[index].Start, MainForm.shapes[index].End, MainForm.shapes[index].Colour);
//draw the replacement square with the highlight pen
replacementSquare.HighlightSqaure(new Pen(replacementSquare.Colour));
//calculate the centre of the new square for rotation
ShapeMovementForm.CalculateSquareCenter(replacementSquare);
break;
case "Circle":
//circle object to replace the old circle
Circle replacementCircle = new Circle(MainForm.shapes[index].Colour, MainForm.shapes[index].Start, MainForm.shapes[index].End, MainForm.shapes[index].Radius);
//draw the circle
replacementCircle.Highlight(MainForm.shapes[ShapeSelectionForm.index].Colour);
break;
case "Triangle":
//triangle object to replace the old one
Triangle replacementTriangle = new Triangle(MainForm.shapes[index].Start, MainForm.shapes[index].End, MainForm.shapes[index].Colour);
//draw the replacement triangle
replacementTriangle.HighlightTriangle(new Pen(replacementTriangle.Colour));
//calculate the centre of the new triangle
ShapeMovementForm.CalculateTriangleCentre(replacementTriangle);
break;
}
//reset the drawing region
MainForm.ResetDrawingRegion();
}
}
}
