操作页面后面代码
protected System.Web.UI.WebControls.Image MyImage;
//private System.Drawing.Image ResultImg = null;
private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
if(!Page.IsPostBack)
{
urlStr.Value="fileName=3_21165.jpg";
ChangImag();
}
}
private void Button1_Click(object sender, System.EventArgs e)
{
string strFilename=string.Empty;
System.Drawing.Image i;
strFilename = Server.MapPath("img/3_21165.jpg");
i = System.Drawing.Image.FromFile(strFilename);
System.Drawing.Bitmap b =new System.Drawing.Bitmap(500,600);
Graphics g = System.Drawing.Graphics.FromImage(b);
//'切割图片
g.DrawImage(i,new Rectangle(0,0,b.Width,b.Height),200,20,b.Width,b.Height,GraphicsUnit.Pixel);
Response.ContentType="image/jpeg";
b.Save(Server.MapPath("img/1.jpg"),System.Drawing.Imaging.ImageFormat.Jpeg);
b.Dispose();
Response.Write("<script language='javascript'>alert('OK');</script>");
}
private void TurnOne_Click(object sender, System.Web.UI.ImageClickEventArgs e)
{
//翻转#region//翻转
string goUrl=urlStr.Value;
int i=goUrl.IndexOf("ring");
if(i==-1)
{
goUrl +="&ring=Rotate180FlipY";
}
else
{
string donum=null;
for(int j=i+5;j<goUrl.Length;j++)
{
if(goUrl.Substring(j,1)!="&")
{
donum +=goUrl.Substring(j,1);
}
else
{
break;
}
}
switch(donum)
{
case "Rotate90FlipNone":
goUrl=goUrl.Replace("&ring=Rotate90FlipNone","&ring=Rotate90FlipX");
break;
case"Rotate180FlipNone":
goUrl=goUrl.Replace("&ring=Rotate180FlipNone","&ring=Rotate180FlipX");
break;
case "Rotate270FlipNone":
goUrl=goUrl.Replace("&ring=Rotate270FlipNone","&ring=Rotate90FlipY");
break;
case "Rotate90FlipX":
goUrl=goUrl.Replace("&ring=Rotate90FlipX","&ring=Rotate90FlipNone");
break;
case "Rotate180FlipX":
goUrl=goUrl.Replace("&ring=Rotate180FlipX","&ring=Rotate180FlipNone");
break;
case "Rotate270FlipX":
goUrl=goUrl.Replace("&ring=Rotate270FlipX","&ring=Rotate90FlipXY");
break;
case "RotateNoneFlipX":
goUrl=goUrl.Replace("&ring=RotateNoneFlipX","");
break;
case "Rotate90FlipY":
goUrl=goUrl.Replace("&ring=Rotate90FlipY","&ring=Rotate270FlipNone");
break;
case "Rotate180FlipY":
goUrl=goUrl.Replace("&ring=Rotate180FlipY","");
break;
case "Rotate270FlipY":
goUrl=goUrl.Replace("&ring=Rotate270FlipY","&ring=Rotate90FlipNone");
break;
case "RotateNoneFlipY":
goUrl=goUrl.Replace("&ring=RotateNoneFlipY","&ring=Rotate180FlipNone");
break;
case "Rotate90FlipXY":
goUrl=goUrl.Replace("&ring=Rotate90FlipXY","&ring=Rotate270FlipX");
break;
case "Rotate180FlipXY":
goUrl=goUrl.Replace("&ring=Rotate180FlipXY","&ring=RotateNoneFlipX");
break;
case "Rotate270FlipXY":
goUrl=goUrl.Replace("&ring=Rotate270FlipXY","&ring=Rotate90FlipX");
break;
case "RotateNoneFlipXY":
goUrl=goUrl.Replace("&ring=RotateNoneFlipXY","&ring=RotateNoneFlipY");
break;
}
}
#endregion
urlStr.Value=goUrl;
ChangImag();
}
private void ChangImag()
{
MyImage.ImageUrl="MyImg.aspx?"+urlStr.Value;
}
private void GoRr_Click(object sender, System.Web.UI.ImageClickEventArgs e)
{
//顺时钟#region//顺时钟
string goUrl=urlStr.Value;
int i=goUrl.IndexOf("ring");
if(i==-1)
{
goUrl +="&ring=Rotate90FlipNone";
}
else
{
string donum=null;
for(int j=i+5;j<goUrl.Length;j++)
{
if(goUrl.Substring(j,1)!="&")
{
donum +=goUrl.Substring(j,1);
}
else
{
break;
}
}
switch(donum)
{
case "Rotate90FlipNone":
goUrl=goUrl.Replace("&ring=Rotate90FlipNone","&ring=Rotate180FlipNone");
break;
case"Rotate180FlipNone":
goUrl=goUrl.Replace("&ring=Rotate180FlipNone","&ring=Rotate270FlipNone");
break;
case "Rotate270FlipNone":
goUrl=goUrl.Replace("&ring=Rotate270FlipNone","");
break;
case "Rotate90FlipX":
goUrl=goUrl.Replace("&ring=Rotate90FlipX","&ring=RotateNoneFlipX");
break;
case "Rotate180FlipX":
goUrl=goUrl.Replace("&ring=Rotate180FlipX","&ring=Rotate90FlipX");
break;
case "Rotate270FlipX":
goUrl=goUrl.Replace("&ring=Rotate270FlipX","&ring=Rotate180FlipX");
break;
case "RotateNoneFlipX":
goUrl=goUrl.Replace("&ring=RotateNoneFlipX","&ring=Rotate270FlipX");
break;
case "Rotate90FlipY":
goUrl=goUrl.Replace("&ring=Rotate90FlipY","&ring=RotateNoneFlipY");
break;
case "Rotate180FlipY":
goUrl=goUrl.Replace("&ring=Rotate180FlipY","&ring=Rotate90FlipY");
break;
case "Rotate270FlipY":
goUrl=goUrl.Replace("&ring=Rotate270FlipY","&ring=Rotate180FlipY");
break;
case "RotateNoneFlipY":
goUrl=goUrl.Replace("&ring=RotateNoneFlipY","&ring=Rotate270FlipY");
break;
case "Rotate90FlipXY":
goUrl=goUrl.Replace("&ring=Rotate90FlipXY","&ring=Rotate180FlipXY");
break;
case "Rotate180FlipXY":
goUrl=goUrl.Replace("&ring=Rotate180FlipXY","&ring=Rotate270FlipXY");
break;
case "Rotate270FlipXY":
goUrl=goUrl.Replace("&ring=Rotate270FlipXY","&ring=RotateNoneFlipXY");
break;
case "RotateNoneFlipXY":
goUrl=goUrl.Replace("&ring=RotateNoneFlipXY","&ring=Rotate90FlipXY");
break;
}
}
#endregion
urlStr.Value=goUrl;
ChangImag();
}
private void GoRl_Click(object sender, System.Web.UI.ImageClickEventArgs e)
{
//逆时钟#region//逆时钟
string goUrl=urlStr.Value;
int i=goUrl.IndexOf("ring");
if(i==-1)
{
goUrl +="&ring=Rotate270FlipNone";
}
else
{
string donum=null;
for(int j=i+5;j<goUrl.Length;j++)
{
if(goUrl.Substring(j,1)!="&")
{
donum +=goUrl.Substring(j,1);
}
else
{
break;
}
}
switch(donum)
{
case "Rotate90FlipNone":
goUrl=goUrl.Replace("&ring=Rotate90FlipNone","");
break;
case"Rotate180FlipNone":
goUrl=goUrl.Replace("&ring=Rotate180FlipNone","&ring=Rotate90FlipNone");
break;
case "Rotate270FlipNone":
goUrl=goUrl.Replace("&ring=Rotate270FlipNone","&ring=Rotate180FlipNone");
break;
case "RotateNoneFlipX":
goUrl=goUrl.Replace("&ring=RotateNoneFlipX","&ring=Rotate90FlipX");
break;
case "Rotate90FlipX":
goUrl=goUrl.Replace("&ring=Rotate90FlipX","&ring=Rotate180FlipX");
break;
case "Rotate180FlipX":
goUrl=goUrl.Replace("&ring=Rotate180FlipX","&ring=Rotate270FlipX");
break;
case "Rotate270FlipX":
goUrl=goUrl.Replace("&ring=Rotate270FlipX","&ring=RotateNoneFlipX");
break;
case "RotateNoneFlipY":
goUrl=goUrl.Replace("&ring=RotateNoneFlipY","&ring=Rotate90FlipY");
break;
case "Rotate90FlipY":
goUrl=goUrl.Replace("&ring=Rotate90FlipY","&ring=Rotate180FlipY");
break;
case "Rotate180FlipY":
goUrl=goUrl.Replace("&ring=Rotate180FlipY","&ring=Rotate270FlipY");
break;
case "Rotate270FlipY":
goUrl=goUrl.Replace("&ring=Rotate270FlipY","&ring=RotateNoneFlipY");
break;
case "RotateNoneFlipXY":
goUrl=goUrl.Replace("&ring=RotateNoneFlipXY","&ring=Rotate270FlipXY");
break;
case "Rotate90FlipXY":
goUrl=goUrl.Replace("&ring=Rotate90FlipXY","&ring=RotateNoneFlipXY");
break;
case "Rotate180FlipXY":
goUrl=goUrl.Replace("&ring=Rotate180FlipXY","&ring=Rotate90FlipXY");
break;
case "Rotate270FlipXY":
goUrl=goUrl.Replace("&ring=Rotate270FlipXY","&ring=Rotate180FlipXY");
break;
}
}
#endregion
urlStr.Value=goUrl;
ChangImag();
}
private void ContCut_Click(object sender, System.Web.UI.ImageClickEventArgs e)
{
对比减小#region 对比减小
string goUrl=urlStr.Value;
int i=goUrl.IndexOf("Contrast");
string donum=null;
if(i==-1)
{
goUrl +="&Contrast=-0.1";
}
else
{
for(int j=i+9;j<goUrl.Length;j++)
{
if(goUrl.Substring(j,1)!="&")
{
donum +=goUrl.Substring(j,1);
}
else
{
break;
}
}
double brightnum=0;
try
{
brightnum=double.Parse(donum);
}
catch
{
brightnum=0;
}
if(brightnum>-1&&brightnum<=1)
{
brightnum-=0.1;
}
goUrl=goUrl.Replace("&Contrast="+donum,"&Contrast="+brightnum.ToString());
}
urlStr.Value=goUrl;
ChangImag();
#endregion
}
private void ContAdd_Click(object sender, System.Web.UI.ImageClickEventArgs e)
{
对比增加#region 对比增加
string goUrl=urlStr.Value;
int i=goUrl.IndexOf("Contrast");
string donum=null;
if(i==-1)
{
goUrl +="&Contrast=0.1";
}
else
{
for(int j=i+9;j<goUrl.Length;j++)
{
if(goUrl.Substring(j,1)!="&")
{
donum +=goUrl.Substring(j,1);
}
else
{
break;
}
}
double brightnum=0;
try
{
brightnum=double.Parse(donum);
}
catch
{
brightnum=0;
}
if(brightnum>=-1&&brightnum<1)
{
brightnum+=0.1;
}
goUrl=goUrl.Replace("&Contrast="+donum,"&Contrast="+brightnum.ToString());
}
urlStr.Value=goUrl;
ChangImag();
#endregion
}
private void BrightAdd_Click(object sender, System.Web.UI.ImageClickEventArgs e)
{
亮度增加#region 亮度增加
string goUrl=urlStr.Value;
int i=goUrl.IndexOf("Bright");
string donum=null;
if(i==-1)
{
goUrl +="&Bright=1.1";
}
else
{
for(int j=i+7;j<goUrl.Length;j++)
{
if(goUrl.Substring(j,1)!="&")
{
donum +=goUrl.Substring(j,1);
}
else
{
break;
}
}
double brightnum=1;
try
{
brightnum=double.Parse(donum);
}
catch
{
brightnum=1;
}
if(brightnum>=0&&brightnum<3)
{
brightnum+=0.1;
}
goUrl=goUrl.Replace("&Bright="+donum,"&Bright="+brightnum.ToString());
}
urlStr.Value=goUrl;
ChangImag();
#endregion
}
private void BrightCut_Click(object sender, System.Web.UI.ImageClickEventArgs e)
{
亮度减少#region 亮度减少
string goUrl=urlStr.Value;
int i=goUrl.IndexOf("Bright");
if(i==-1)
{
goUrl +="&Bright=0.9";
}
else
{
string donum=null;
for(int j=i+7;j<goUrl.Length;j++)
{
if(goUrl.Substring(j,1)!="&")
{
donum +=goUrl.Substring(j,1);
}
else
{
break;
}
}
double brightnum=1;
try
{
brightnum=double.Parse(donum);
}
catch
{
brightnum=1;
}
if(brightnum>0&&brightnum<=3)
{
brightnum-=0.1;
}
goUrl=goUrl.Replace("&Bright="+donum,"&Bright="+brightnum.ToString());
}
urlStr.Value=goUrl;
ChangImag();
#endregion
}