| 以下为引用的内容： ////
/// 按比例缩小图片，自动计算宽度
///
/// 源图文件名(包括路径)
/// 缩小后保存为文件名(包括路径)
/// 缩小至高度
public void SmallPicWidth(string strOldPic, string strNewPic, int intHeight)
{
System.Drawing.Bitmap objPic, objNewPic;
try
{
objPic = new System.Drawing.Bitmap(strOldPic);
int intWidth = (intHeight / objPic.Height) * objPic.Width;
objNewPic = new System.Drawing.Bitmap(objPic, intWidth, intHeight);
objNewPic.Save(strNewPic);
}
catch (Exception exp) { throw exp; }
finally
{
objPic = null;
objNewPic = null;
}
}
/**////
/// 缩小图片
///
/// 源图文件名(包括路径)
/// 缩小后保存为文件名(包括路径)
/// 缩小至宽度
/// 缩小至高度
public void SmallPic(string strOldPic, string strNewPic, int intWidth, int intHeight)
{
System.Drawing.Bitmap objPic, objNewPic;
try
{
objPic = new System.Drawing.Bitmap(strOldPic);
objNewPic = new System.Drawing.Bitmap(objPic, intWidth, intHeight);
objNewPic.Save(strNewPic);
}
catch (Exception exp)
{ throw exp; }
finally
{
objPic = null;
objNewPic = null;
}
} |
