在你的形体课上
//Methods
public void DrawRectangle(Color c, int stroke, float w, float h, Graphics g, float radius)
{
this.width = w;
this.height = h;
this.strokeThickness = stroke;
this.type = ShapeType.rectangle;
this.radius = radius;
//Centering the Shape
PointF points = new PointF();
//w -= strokeThickness;
//h -= strokeThickness;
points.X = (center.X - ((w) / 2f));
points.Y = (center.Y - ((h) / 2f));
//Aliasing for smooth graphics when drawing and resizing
g.InterpolationMode = InterpolationMode.High;
//Drawing
RectangleF rect = new RectangleF(points.X, points.Y, w, h);
GraphicsPath path = this.GetRoundedRect(rect, radius);
g.DrawPath(new Pen(c, stroke), path);
}
public void DrawSquare(Color c, int stroke, float w, float h, Graphics g, float radius)
{
this.width = w;
this.height = h;
this.strokeThickness = stroke;
this.type = ShapeType.square;
this.radius = radius;
//w -= strokeThickness;
//h -= strokeThickness;
//Centering the Shape
PointF points = new PointF();
points.X = (center.X - (w / 2));
points.Y = (center.Y - (h / 2) + DefaultOffset);
//Aliasing for smooth graphics when drawing and resizing
g.InterpolationMode = InterpolationMode.High;
//Drawing
RectangleF rect = new RectangleF(points.X, points.Y, w, h);
GraphicsPath path = this.GetRoundedRect(rect, radius);
g.DrawPath(new Pen(c, stroke), path);
}
public void DrawCircle(Color c, int stroke, float w, float h, Graphics g)
{
this.width = w;
this.height = h;
this.strokeThickness = stroke;
this.type = ShapeType.circle;
PointF points = new PointF();
//Centering the Shape
points.X = (float)((center.X - (w/ 2)));
points.Y = (float)((center.Y - (h / 2)));
//Aliasing for smooth graphics when drawing and resizing
g.SmoothingMode = SmoothingMode.AntiAlias;
//Drawing
RectangleF rect = new RectangleF(points.X, points.Y, w, h);
g.DrawEllipse(new Pen(c, stroke), rect);
}
public void DrawEllipse(Color c, int stroke, float w, float h, Graphics g)
{
this.width = w;
this.height = h;
this.strokeThickness = stroke;
this.type = ShapeType.ellipse;
//Centering the Shape
PointF points = new PointF();
points.X = (center.X - (w / 2));
points.Y = (center.Y - (h / 2));
//Aliasing for smooth graphics when drawing and resizing
g.SmoothingMode = SmoothingMode.AntiAlias;
//Drawing
RectangleF rect = new RectangleF(points.X, points.Y, w, h);
g.DrawEllipse(new Pen(c, stroke), rect);
}
public void DrawTriangle(Color c, int stroke, float w, Graphics g, float radius)
{
this.strokeThickness = stroke;
this.type = ShapeType.triangle;
float h = (float)((w * (Math.Sqrt(3))) / 2);
PointF points = new PointF();
points.Y = (int)(((center.Y - h) + (h / 3f)) + DefaultOffset);
points.X = (int)center.X - (w / 2f);
this.size = new SizeF(w, h);
this.location = points;
//Calculation of the triangle points
RectangleF rect = new RectangleF(this.location, this.size);
PointF A = new PointF(rect.X, rect.Y + rect.Height);
PointF B = new PointF(rect.X + (rect.Width / 2f), rect.Y);
PointF C = new PointF(rect.Right, rect.Y + rect.Height);
//Drawing
GraphicsPath path = this.DrawRoundedTriangle(rect, A, B, C, radius);
g.DrawPath(new Pen(c, stroke), path);
}
#endregion
叫他们过来
private void pictureBox_Canvass_Paint(object sender, PaintEventArgs e)
{
case Shape.ShapeType.rectangle:
shape.DrawRectangle(rectangleColor, strokeRect, rectangleWidth, rectangleHeight, e.Graphics, rectRadius);
break;
case Shape.ShapeType.square:
shape.DrawSquare(squareColor, strokeSquare, squareWidth, squareHeight, e.Graphics, squareRadius);
break;
case Shape.ShapeType.circle:
shape.DrawCircle(circleColor, strokeCircle, circleWidth, circleHeight, e.Graphics);
break;
case Shape.ShapeType.ellipse:
shape.DrawEllipse(ellipseColor, strokeEllipse, ellipseWidth, ellipseHeight, e.Graphics);
break;
case Shape.ShapeType.triangle:
shape.DrawTriangle(triangleColor, strokeTriangle, triangleWidth, e.Graphics, triangleRadius);
break;
}
