private void Form1_Load(object sender, EventArgs e) { //从新绘制窗口款式 string fileName = @"C:\Users\admin\Desktop\Yuan1.png"; Bitmap mybitmap = new Bitmap(fileName); CreateControlRegion(this, mybitmap); this.BackColor = Color.White;// 此处为增加部份 this.TransparencyKey = Color.White;//此处为增加部份 }
/// <summary> /// 从新绘制窗口款式 /// </summary> /// <param name="control"></param> /// <param name="bitmap"></param> public static void CreateControlRegion(Control control, Bitmap bitmap) { // Return if control and bitmap are null //推断是不是存在控件和位图 if (control == null || bitmap == null) return; //设置控件大小为位图大小 control.Width = bitmap.Width; control.Height = bitmap.Height; // Check if we are dealing with Form here //当控件是form时 if (control is System.Windows.Forms.Form) { // Cast to a Form object //强迫转换为FORM Form form = (Form)control; //当FORM的边境FormBorderStyle不为NONE时,应将FORM的大小设置成比位图大小稍大一点 form.Width = control.Width; form.Height = control.Height; //没有边境 form.FormBorderStyle = FormBorderStyle.None; //将位图设置成窗体背景图片 form.BackgroundImage = bitmap; //盘算位图中不通明部份的边境 GraphicsPath graphicsPath = CalculateControlGraphicsPath(bitmap); //运用新的地区 form.Region = new Region(graphicsPath); // 以下为本身增加的语句,不增加此两句会出现问题 form.Width = bitmap.Width; form.Height = bitmap.Height; } //当控件是button时 else if (control is System.Windows.Forms.Button) { //强迫转换为 button Button button = (Button)control; //不显现button text button.Text = ""; //转变 cursor的style button.Cursor = Cursors.Hand; //设置button的背景图片 button.BackgroundImage = bitmap; //盘算位图中不通明部份的边境 GraphicsPath graphicsPath = CalculateControlGraphicsPath(bitmap); // Apply new region //运用新的地区 button.Region = new Region(graphicsPath); button.Width = bitmap.Width; button.Height = bitmap.Height; button.FlatStyle = FlatStyle.Popup;//此处为增加部份 } } private static GraphicsPath CalculateControlGraphicsPath(Bitmap bitmap) { //建立 GraphicsPath GraphicsPath graphicsPath = new GraphicsPath(); //运用左上角的一点的色彩作为我们通明色 Color colorTransparent = bitmap.GetPixel(0, 0); //第一个找到点的X int colOpaquePixel = 0; // 偏历一切行(Y方向) for (int row = 0; row < bitmap.Height - 1; row++) { // Reset value //重设 colOpaquePixel = 0; //偏历一切列(X方向) for (int col = 0; col < bitmap.Width - 1; col++) { //如果是不需要通明处置惩罚的点则标记,然后继承偏历 if (bitmap.GetPixel(col, row) != colorTransparent) { colOpaquePixel = col; //建立新变量来纪录当前点 int colNext = col; ///从找到的不通明点最先,继承寻觅不通明点,一直到找到或则到达图片宽度 for (colNext = colOpaquePixel; colNext < bitmap.Width; colNext++) { Color gpi = bitmap.GetPixel(colNext, row); if (bitmap.GetPixel(colNext, row) == colorTransparent) { break; } } //将不通明点加到graphics path { graphicsPath.AddRectangle(new Rectangle(colOpaquePixel, row, colNext - colOpaquePixel, 1)); } col = colNext; } } } return graphicsPath; }
圆满!
以上就是C# winform制造不规则窗体(代码)的细致内容,更多请关注ki4网别的相干文章!