图片上绘制文字换行处理
protected void Page_Load(object sender, EventArgs e) { CreatePicture("2010", "我是中国人们的儿子我深深的爱着我的祖国和人民", "我是中国人们的儿子我深深的爱着我的祖国和人民", @"C:\Users\wangyanfei\Pictures\1277702967234.jpg"); } public void CreatePicture(string year, string chubpc, string kanm, string imgUrl) { System.Drawing.Image image = System.Drawing.Image.FromFile(imgUrl);//获取图片路径 Bitmap bmpImage = new Bitmap(image, 173, 228); Graphics graphic = Graphics.FromImage(bmpImage); Brush whiteBrush = new SolidBrush(Color.White); //白笔刷，画文字用 Brush blackBrush = new SolidBrush(Color.Black); //黑笔刷，画文字用 using (Font font1 = new Font("宋体", 12, FontStyle.Bold, GraphicsUnit.Point)) { RectangleF rectF1 = new RectangleF(20, 80, 153, 50); graphic.DrawString(kanm, font1, blackBrush, rectF1);//建立一个矩形 让其在里面换行 RectangleF rectF2 = new RectangleF(120, 200, 53, 50); graphic.DrawString(year, font1, blackBrush,rectF2); RectangleF rectF3 = new RectangleF(120, 180, 53, 50); graphic.DrawString(chubpc, font1, blackBrush,rectF3); } MemoryStream ms = new MemoryStream(); bmpImage.Save("D:/1.jpg", ImageFormat.Jpeg); //保存为Jpg类型 //return ms; } string text1 = "Draw text in a rectangle by passing a RectF to the DrawString method.";using (Font font1 = new Font("Arial", 12, FontStyle.Bold, GraphicsUnit.Point)){ RectangleF rectF1 = new RectangleF(30, 10, 100, 122); e.Graphics.DrawString(text1, font1, Brushes.Blue, rectF1); e.Graphics.DrawRectangle(Pens.Black, Rectangle.Round(rectF1));} string text2 = "Draw text in a rectangle by passing a RectF to the DrawString method.";using (Font font2 = new Font("Arial", 12, FontStyle.Bold, GraphicsUnit.Point)){ Rectangle rect2 = new Rectangle(30, 10, 100, 122); // Specify the text is wrapped. TextFormatFlags flags = TextFormatFlags.WordBreak; TextRenderer.DrawText(e.Graphics, text2, font2, rect2, Color.Blue, flags); e.Graphics.DrawRectangle(Pens.Black, Rectangle.Round(rect2));}
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