调用方法:

复制代码 代码如下:

ConvertTextFileToImage(Server.MapPath(“~/Log.txt”),Server.MapPath(“~/Log.png”));

实现代码:

复制代码 代码如下:

void ConvertTextFileToImage(String textFile,String imageFile)

{

System.Drawing.Font drawFont = new System.Drawing.Font(“宋体”, 12);

System.Drawing.Bitmap image = new System.Drawing.Bitmap(1, 1);

System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(image);

String text = System.IO.File.ReadAllText(textFile, Encoding.GetEncoding(“GB2312”));

System.Drawing.SizeF sf = g.MeasureString(text, drawFont, 1024); //设置一个显示的宽度

image = new System.Drawing.Bitmap(image, new System.Drawing.Size(Convert.ToInt32(sf.Width), Convert.ToInt32(sf.Height)));

g = System.Drawing.Graphics.FromImage(image);

g.Clear(System.Drawing.Color.White);

g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAliasGridFit;

g.DrawString(text, drawFont, System.Drawing.Brushes.Black, new System.Drawing.RectangleF(new System.Drawing.PointF(0, 0), sf));

image.Save(imageFile, System.Drawing.Imaging.ImageFormat.Png);

g.Dispose();

image.Dispose();

}

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