public override void whileDrawing(SketchControl s, Point p1, Point p2)
{
if (Math.Abs(p1.X - p2.X) > Math.Abs(p1.Y - p2.Y))
yinyangWidth = p2.X - p1.X;
else
yinyangWidth = p2.Y - p1.Y;
Action currentAction = new yinyangAction(yinyangWidth, p1, this.brush, 0);
drawWhileDrawing(currentAction, s);
}
void drawYinYang(yinyangAction action, Graphics gr)
{
if (action.width < 0)
{
action.startPoint = new Point(action.startPoint.X + action.width, action.startPoint.Y + action.width);
action.width *= -1;
}
SolidBrush color = action.brush;
if (color.Color == Color.White)
color = new SolidBrush(Color.Gray);
float middleX = action.startPoint.X + 0.5f * action.width;
float middleY = action.startPoint.Y + 0.5f * action.width;
int curvesSize = action.width / 2;
int curvesDistance = action.width / 4;
int tinyCirclesSize = action.width / 6;
int tinyCirclesDistance = action.width / 4;
// Left side
gr.FillEllipse(Brushes.White, action.startPoint.X, action.startPoint.Y, action.width, action.width);
// Boarder
gr.DrawEllipse(new Pen(color), action.startPoint.X, action.startPoint.Y, action.width, action.width);
// Right side
gr.FillPie(color, action.startPoint.X, action.startPoint.Y, action.width, action.width, 270, 180);
// Bottom curve
gr.FillEllipse(color, middleX - curvesSize / 2, middleY - curvesDistance + curvesDistance, curvesSize, curvesSize);
// Top curve
gr.FillEllipse(Brushes.White, middleX - curvesSize / 2, middleY - 2 * curvesDistance, curvesSize, curvesSize);
// Top small circle
gr.FillEllipse(color, middleX - tinyCirclesSize / 2, middleY - tinyCirclesSize / 2 - tinyCirclesDistance, tinyCirclesSize, tinyCirclesSize);
// Bottom small circle
gr.FillEllipse(Brushes.White, middleX - tinyCirclesSize / 2, middleY - tinyCirclesSize / 2 + tinyCirclesDistance, tinyCirclesSize, tinyCirclesSize);
}
public override void Complete(SketchControl s, Point p1, Point p2)
{
yinyangAction yinyangAction = new yinyangAction(yinyangWidth, p1, this.brush, 0);
s.sketch.stuff.Add(yinyangAction);
s.sketch.undo.Push(yinyangAction);
s.sketch.redo.Clear();
}
