wndlesspicturebox.cs

破解的飞信源代码

namespace Imps.Client.Pc.WndlessControls
{
    using System;
    using System.Drawing;
    using System.Windows.Forms;

    public class WndlessPictureBox : WndlessControl
    {
        private System.Drawing.Image _image;
        private PictureBoxSizeMode _sizeMode;

        private Rectangle ImageRectangleFromSizeMode(PictureBoxSizeMode mode)
        {
            Rectangle clientRectangle = this.ClientRectangle;
            int width = clientRectangle.Width;
            int height = clientRectangle.Height;
            if (this.Image != null)
            {
                switch (mode)
                {
                    case PictureBoxSizeMode.Normal:
                    case PictureBoxSizeMode.AutoSize:
                        clientRectangle.Size = this.Image.Size;
                        return clientRectangle;

                    case PictureBoxSizeMode.StretchImage:
                        return clientRectangle;

                    case PictureBoxSizeMode.CenterImage:
                        clientRectangle.X += (clientRectangle.Width - this.Image.Width) / 2;
                        clientRectangle.Y += (clientRectangle.Height - this.Image.Height) / 2;
                        clientRectangle.Size = this.Image.Size;
                        return clientRectangle;

                    case ((PictureBoxSizeMode) 4):
                    {
                        Size size = this.Image.Size;
                        float num3 = Math.Min((float) (((float) width) / ((float) size.Width)), (float) (((float) height) / ((float) size.Height)));
                        clientRectangle.Width = (int) (size.Width * num3);
                        clientRectangle.Height = (int) (size.Height * num3);
                        clientRectangle.X += (width - clientRectangle.Width) / 2;
                        clientRectangle.Y += (height - clientRectangle.Height) / 2;
                        return clientRectangle;
                    }
                }
            }
            return clientRectangle;
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            if (this.Image != null)
            {
                Rectangle rect = this.ImageRectangleFromSizeMode(this.SizeMode);
                if (base.Enabled)
                {
                    e.Graphics.DrawImage(this.Image, rect);
                }
                else
                {
                    ControlPaint.DrawImageDisabled(e.Graphics, this.Image, rect.X, rect.Y, base.BackColor);
                }
            }
        }

        public bool AutoSize
        {
            get
            {
                return base.AutoSize;
            }
            set
            {
                base.AutoSize = value;
                if (value)
                {
                    this._sizeMode = PictureBoxSizeMode.AutoSize;
                }
                else if (this._sizeMode == PictureBoxSizeMode.AutoSize)
                {
                    this._sizeMode = PictureBoxSizeMode.Normal;
                }
            }
        }

        public System.Drawing.Image Image
        {
            get
            {
                return this._image;
            }
            set
            {
                if (this._image != value)
                {
                    this._image = value;
                    if (this.AutoSize)
                    {
                        base.DoAutoSize(false);
                    }
                    base.Invalidate();
                }
            }
        }

        public override Size PreferredClientSize
        {
            get
            {
                if (this.Image != null)
                {
                    return this.Image.Size;
                }
                return base.PreferredClientSize;
            }
        }

        public PictureBoxSizeMode SizeMode
        {
            get
            {
                return this._sizeMode;
            }
            set
            {
                if (this._sizeMode != value)
                {
                    this._sizeMode = value;
                    base.AutoSize = this._sizeMode == PictureBoxSizeMode.AutoSize;
                }
            }
        }
    }
}