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   源码介绍

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Ｃ#重写窗体界面；

public partial class ImageDrawRect
    {
        public static ContentAlignment anyRight = ContentAlignment.BottomRight | (ContentAlignment.MiddleRight | ContentAlignment.TopRight);
        public static ContentAlignment anyTop = ContentAlignment.TopRight | (ContentAlignment.TopCenter | ContentAlignment.TopLeft);
        public static ContentAlignment anyBottom = ContentAlignment.BottomRight | (ContentAlignment.BottomCenter | ContentAlignment.BottomLeft);
        public static ContentAlignment anyCenter = ContentAlignment.BottomCenter | (ContentAlignment.MiddleCenter | ContentAlignment.TopCenter);
        public static ContentAlignment anyMiddle = ContentAlignment.MiddleRight | (ContentAlignment.MiddleCenter | ContentAlignment.MiddleLeft);
        /// <summary>
        /// 绘图对像
        /// </summary>
        /// <param name="g">绘图对像</param>
        /// <param name="img">图片</param>
        /// <param name="r">绘置的图片大小、坐标</param>
        /// <param name="lr">绘置的图片边界</param>
        /// <param name="index">当前状态</param>
        /// <param name="Totalindex">状态总数</param>
        public static void DrawRect(Graphics g, Bitmap img, Rectangle r, Rectangle lr, int index, int Totalindex)
        {
            if (img == null) return;
            Rectangle r1, r2;
            int x = (index - 1) * img.Width / Totalindex;
            int y = 0;
            int x1 = r.Left;
            int y1 = r.Top;

            if (r.Height > img.Height && r.Width <= img.Width / Totalindex)
            {
                r1 = new Rectangle(x, y, img.Width / Totalindex, lr.Top);
                r2 = new Rectangle(x1, y1, r.Width, lr.Top);
                g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);

                r1 = new Rectangle(x, y lr.Top, img.Width / Totalindex, img.Height - lr.Top - lr.Bottom);
                r2 = new Rectangle(x1, y1 lr.Top, r.Width, r.Height - lr.Top - lr.Bottom);
                if ((lr.Top lr.Bottom) == 0) r1.Height = r1.Height - 1;
                g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);

                r1 = new Rectangle(x, y img.Height - lr.Bottom, img.Width / Totalindex, lr.Bottom);
                r2 = new Rectangle(x1, y1 r.Height - lr.Bottom, r.Width, lr.Bottom);
                g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);
            }
            else
                if (r.Height <= img.Height && r.Width > img.Width / Totalindex)
                {
                    r1 = new Rectangle(x, y, lr.Left, img.Height);
                    r2 = new Rectangle(x1, y1, lr.Left, r.Height);
                    g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);
                    r1 = new Rectangle(x lr.Left, y, img.Width / Totalindex - lr.Left - lr.Right, img.Height);
                    r2 = new Rectangle(x1 lr.Left, y1, r.Width - lr.Left - lr.Right, r.Height);
                    g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);
                    r1 = new Rectangle(x img.Width / Totalindex - lr.Right, y, lr.Right, img.Height);
                    r2 = new Rectangle(x1 r.Width - lr.Right, y1, lr.Right, r.Height);
                    g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);
                }
                else
                    if (r.Height <= img.Height && r.Width <= img.Width / Totalindex)
                    {
                        r1 = new Rectangle((index - 1) * img.Width / Totalindex, 0, img.Width / Totalindex, img.Height - 1);
                        g.DrawImage(img, new Rectangle(x1, y1, r.Width, r.Height), r1, GraphicsUnit.Pixel);
                    }
                    else if (r.Height > img.Height && r.Width > img.Width / Totalindex)
                    {
                        //top-left
                        r1 = new Rectangle(x, y, lr.Left, lr.Top);
                        r2 = new Rectangle(x1, y1, lr.Left, lr.Top);
                        g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);

                        //top-bottom
                        r1 = new Rectangle(x, y img.Height - lr.Bottom, lr.Left, lr.Bottom);
                        r2 = new Rectangle(x1, y1 r.Height - lr.Bottom, lr.Left, lr.Bottom);
                        g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);

                        //left
                        r1 = new Rectangle(x, y lr.Top, lr.Left, img.Height - lr.Top - lr.Bottom);
                        r2 = new Rectangle(x1, y1 lr.Top, lr.Left, r.Height - lr.Top - lr.Bottom);
                        g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);

                        //top
                        r1 = new Rectangle(x lr.Left, y,
                            img.Width / Totalindex - lr.Left - lr.Right, lr.Top);
                        r2 = new Rectangle(x1 lr.Left, y1,
                            r.Width - lr.Left - lr.Right, lr.Top);
                        g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);

                        //right-top
                        r1 = new Rectangle(x img.Width / Totalindex - lr.Right, y, lr.Right, lr.Top);
                        r2 = new Rectangle(x1 r.Width - lr.Right, y1, lr.Right, lr.Top);
                        g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);

                        //Right
                        r1 = new Rectangle(x img.Width / Totalindex - lr.Right, y lr.Top,
                            lr.Right, img.Height - lr.Top - lr.Bottom);
                        r2 = new Rectangle(x1 r.Width - lr.Right, y1 lr.Top,
                            lr.Right, r.Height - lr.Top - lr.Bottom);
                        g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);

                        //right-bottom
                        r1 = new Rectangle(x img.Width / Totalindex - lr.Right, y img.Height - lr.Bottom,
                            lr.Right, lr.Bottom);
                        r2 = new Rectangle(x1 r.Width - lr.Right, y1 r.Height - lr.Bottom,
                            lr.Right, lr.Bottom);
                        g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);

                        //bottom
                        r1 = new Rectangle(x lr.Left, y img.Height - lr.Bottom,
                            img.Width / Totalindex - lr.Left - lr.Right, lr.Bottom);
                        r2 = new Rectangle(x1 lr.Left, y1 r.Height - lr.Bottom,
                            r.Width - lr.Left - lr.Right, lr.Bottom);
                        g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);

                        //Center
                        r1 = new Rectangle(x lr.Left, y lr.Top,
                            img.Width / Totalindex - lr.Left - lr.Right, img.Height - lr.Top - lr.Bottom);
                        r2 = new Rectangle(x1 lr.Left, y1 lr.Top,
                            r.Width - lr.Left - lr.Right, r.Height - lr.Top - lr.Bottom);
                        g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);
                    }
        }

        /// <summary>
        /// 绘图对像
        /// </summary>
        /// <param name="g"> 绘图对像</param>
        /// <param name="obj">图片对像</param>
        /// <param name="r">绘置的图片大小、坐标</param>
        /// <param name="index">当前状态</param>
        /// <param name="Totalindex">状态总数</param>
        public static void DrawRect(Graphics g, Bitmap img, Rectangle r, int index, int Totalindex)
        {
            if (img == null) return;
            int width= img.Width / Totalindex;
            int height = img.Height;
            Rectangle r1, r2;
            int x = (index - 1) * width;
            int y = 0;
            int x1 = r.Left;
            int y1 = r.Top;
            r1 = new Rectangle(x, y, width,height);
            r2 = new Rectangle(x1, y1, r.Width, r.Height);
            g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);
        }

        public static Rectangle HAlignWithin(Size alignThis, Rectangle withinThis, ContentAlignment align)
        {
            if ((align & anyRight) != (ContentAlignment)0)
            {
                withinThis.X = (withinThis.Width - alignThis.Width);
            }
            else if ((align & anyCenter) != ((ContentAlignment)0))
            {
                withinThis.X = ((withinThis.Width - alignThis.Width 1) / 2);
            }
            withinThis.Width = alignThis.Width;
            return withinThis;
        }

        public static Rectangle VAlignWithin(Size alignThis, Rectangle withinThis, ContentAlignment align)
        {
            if ((align & anyBottom) != ((ContentAlignment)0))
            {
                withinThis.Y = (withinThis.Height - alignThis.Height);
            }
            else if ((align & anyMiddle) != ((ContentAlignment)0))
            {
                withinThis.Y = ((withinThis.Height - alignThis.Height 1) / 2);
            }
            withinThis.Height = alignThis.Height;
            return withinThis;
        }
    }