در این پست به شرح کلاس Rectangle جهت رسم مستطیل و Square جهت رسم مربع میپردازیم
using System.Drawing; namespace PWS.ObjectOrientedPaint.Models { /// <summary> /// Rectangle /// </summary> public class Rectangle : Shape { #region Constructors (2) /// <summary> /// Initializes a new instance of the <see cref="Rectangle" /> class. /// </summary> /// <param name="startPoint">The start point.</param> /// <param name="endPoint">The end point.</param> /// <param name="zIndex">Index of the z.</param> /// <param name="foreColor">Color of the fore.</param> /// <param name="thickness">The thickness.</param> /// <param name="isFill">if set to <c>true</c> [is fill].</param> /// <param name="backgroundColor">Color of the background.</param> public Rectangle(PointF startPoint, PointF endPoint, int zIndex, Color foreColor, byte thickness, bool isFill, Color backgroundColor) : base(startPoint, endPoint, zIndex, foreColor, thickness, isFill, backgroundColor) { ShapeType = ShapeType.Rectangle; } /// <summary> /// Initializes a new instance of the <see cref="Rectangle" /> class. /// </summary> public Rectangle() { ShapeType = ShapeType.Rectangle; } #endregion Constructors #region Methods (1) // Public Methods (1) /// <summary> /// Draws the specified g. /// </summary> /// <param name="g">The g.</param> public override void Draw(Graphics g) { if (IsFill) g.FillRectangle(BackgroundBrush, StartPoint.X, StartPoint.Y, Width, Height); g.DrawRectangle(Pen, StartPoint.X, StartPoint.Y, Width, Height); base.Draw(g); } #endregion Methods } }
کلاس بعدی کلاس Square میباشد، که از کلاس بالا (Rectangle) ارث بری داشته است، کدهای این کلاس را در زیر مشاهده میکنید.
using System; using System.Drawing; namespace PWS.ObjectOrientedPaint.Models { /// <summary> /// Square /// </summary> public class Square : Rectangle { #region Constructors (2) /// <summary> /// Initializes a new instance of the <see cref="Square" /> class. /// </summary> /// <param name="startPoint">The start point.</param> /// <param name="endPoint">The end point.</param> /// <param name="zIndex">Index of the z.</param> /// <param name="foreColor">Color of the fore.</param> /// <param name="thickness">The thickness.</param> /// <param name="isFill">if set to <c>true</c> [is fill].</param> /// <param name="backgroundColor">Color of the background.</param> public Square(PointF startPoint, PointF endPoint, int zIndex, Color foreColor, byte thickness, bool isFill, Color backgroundColor) { float x = 0, y = 0; float width = Math.Abs(endPoint.X - startPoint.X); float height = Math.Abs(endPoint.Y - startPoint.Y); if (startPoint.X <= endPoint.X && startPoint.Y <= endPoint.Y) { x = startPoint.X; y = startPoint.Y; } else if (startPoint.X >= endPoint.X && startPoint.Y >= endPoint.Y) { x = endPoint.X; y = endPoint.Y; } else if (startPoint.X >= endPoint.X && startPoint.Y <= endPoint.Y) { x = endPoint.X; y = startPoint.Y; } else if (startPoint.X <= endPoint.X && startPoint.Y >= endPoint.Y) { x = startPoint.X; y = endPoint.Y; } StartPoint = new PointF(x, y); var side = Math.Max(width, height); EndPoint = new PointF(x+side, y+side); ShapeType = ShapeType.Square; Zindex = zIndex; ForeColor = foreColor; Thickness = thickness; BackgroundColor = backgroundColor; IsFill = isFill; } /// <summary> /// Initializes a new instance of the <see cref="Square" /> class. /// </summary> public Square() { ShapeType = ShapeType.Square; } #endregion Constructors } }
پیاده سازی پروژه نقاشی (Paint) به صورت شی گرا 1#
پیاده سازی پروژه نقاشی (Paint) به صورت شی گرا 2#
پیاده سازی پروژه نقاشی (Paint) به صورت شی گرا 3#
پیاده سازی پروژه نقاشی (Paint) به صورت شی گرا 4#