C#:图片加上文字水印(书法印章生成)
作者:互联网
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace TextToPng
{
class Program
{
static void Main(string[] args)
{
if (args != null && args.Length > 0)
{
PngAddText(AppDomain.CurrentDomain.BaseDirectory + @"kuang.png", args[0]);
}
else {
PngAddText(AppDomain.CurrentDomain.BaseDirectory + @"kuang.png", "立羽");
}
Console.WriteLine("SaveImgOK");
}
/// <summary>
/// 图片上嵌入文字
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
static void PngAddText(string imgPath,string text)
{
try
{
System.Drawing.Image imgSrc = System.Drawing.Image.FromFile(imgPath);
if (text.Length < 4)
{
text += "印";
}
float x = 0;
float y = 0;
float xOffset = 20;
using (Graphics g = Graphics.FromImage(imgSrc))
{
g.DrawImage(imgSrc, 0, 0, imgSrc.Width, imgSrc.Height);
using (Font f = new Font("楷体", 65, FontStyle.Bold))
{
using (Brush b = new SolidBrush(Color.Red))
{
for (int i = 0; i < text.Length; i++)
{
switch (i)
{
case 0:
x = imgSrc.Width / 2 - xOffset;
y = xOffset;
break;
case 1:
x = imgSrc.Width / 2 - xOffset;
y = imgSrc.Height / 2;
break;
case 2:
if (text.Length == 4)
{
x = 0;
y = xOffset;
}
else if (text.Length == 3)
{
x = 0;
y = imgSrc.Height / 2 - 65 / 2.0f;
}
break;
case 3:
x = 0;
y = imgSrc.Height / 2;
break;
default:
break;
}
g.DrawString(text[i].ToString(), f, b, x, y);
}
}
}
}
string fontpath = AppDomain.CurrentDomain.BaseDirectory + @"save.png";
imgSrc.Save(fontpath, System.Drawing.Imaging.ImageFormat.Png);
}
catch (Exception e)
{
MessageBox.Show(e.ToString());
}
}
}
}
标签:C#,text,System,水印,break,印章,Length,imgSrc,using 来源: https://blog.csdn.net/luoyikun/article/details/88963296