/// <summary>
/// 文字水印
/// </summary>
/// <param name="path">图片路径（绝对路径）</param>
/// <param name="size">字体大小</param>
/// <param name="letter">水印文字</param>
/// <param name="color">颜色</param>
/// <param name="location">水印位置</param>
public static string LetterWatermark(string path, int size, string letter, Color color, string location)
{
#region
string kz_name = Path.GetExtension(path);
if (kz_name == ".jpg" || kz_name == ".bmp" || kz_name == ".jpeg")
{
DateTime time = DateTime.Now;
string filename = "" + time.Year.ToString() + time.Month.ToString() + time.Day.ToString() + time.Hour.ToString() + time.Minute.ToString() + time.Second.ToString() + time.Millisecond.ToString();
System.Drawing.Image img = Bitmap.FromFile(path);
Graphics gs = Graphics.FromImage(img);
ArrayList loca = ImageAssistant.GetLocation(location, img, size, letter.Length);
Font font = new Font("宋体", size);
Brush br = new SolidBrush(color);
gs.DrawString(letter, font, br, float.Parse(loca[0].ToString()), float.Parse(loca[1].ToString()));
gs.Dispose();
string newpath = Path.GetDirectoryName(path) + filename + kz_name;
img.Save(newpath);
img.Dispose();
File.Copy(newpath, path, true);
if (File.Exists(newpath))
{
File.Delete(newpath);
}
}
return(path);
#endregion
}
/// <summary>
/// 图片水印处理方法
/// </summary>
/// <param name="path">需要加载水印的图片路径（绝对路径）</param>
/// <param name="waterpath">水印图片（绝对路径）</param>
/// <param name="location">水印位置（传送正确的代码）</param>
public static string ImageWatermark(string path, string waterpath, string location)
{
string kz_name = Path.GetExtension(path);
if (kz_name == ".jpg" || kz_name == ".bmp" || kz_name == ".jpeg")
{
DateTime time = DateTime.Now;
string filename = "" + time.Year.ToString() + time.Month.ToString() + time.Day.ToString() + time.Hour.ToString() + time.Minute.ToString() + time.Second.ToString() + time.Millisecond.ToString();
System.Drawing.Image img = Bitmap.FromFile(path);
System.Drawing.Image waterimg = System.Drawing.Image.FromFile(waterpath);
Graphics g = Graphics.FromImage(img);
ArrayList loca = ImageAssistant.GetLocation(location, img, waterimg);
g.DrawImage(waterimg, new Rectangle(int.Parse(loca[0].ToString()), int.Parse(loca[1].ToString()), waterimg.Width, waterimg.Height));
waterimg.Dispose();
g.Dispose();
string newpath = Path.GetDirectoryName(path) + filename + kz_name;
img.Save(newpath);
img.Dispose();
File.Copy(newpath, path, true);
if (File.Exists(newpath))
{
File.Delete(newpath);
}
}
return(path);
}