Adding 'Watermark' To Images On The Fly?
Mar 28, 2011How can i do that with ASP?
Is this process going to be a great overload for the server?
Could i use an image for a watermark instead of simple text?
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here is a piece of my code..
[Code]....
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He enters a password, and this password will be embedded into the image uploaded.
Next, there is an option to digitally watermark the image (This is where I am having problems - stuck with the codes)
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FileUpload UI + code behind
[Code]....
[Code]....
WatermarkController (Business Logic)
[Code]....
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Sep 20, 2015I want use this watermark: [URL] ....
But I want used in formview, how i change code in C# ?
and this is my FormView:
Asp.net
<asp:FormView ID="FormView1" runat="server" DataKeyNames="id"
DataSourceID="SqlDataSource1" DefaultMode="Insert" Width="1200px">
<InsertItemTemplate>
<table class="style1"><tr>
<td valign="top" class="style5">ناونیشان:</td>
[Code] ....
C#
protected void Upload(object sender, EventArgs e) {
string watermarkText = "© test.com";
//Get the file name.
string fileName = Path.GetFileNameWithoutExtension(FileUpload1.PostedFile.FileName) + ".png";
//Read the File into a Bitmap.
using (Bitmap bmp = new Bitmap(FileUpload1.PostedFile.InputStream, false))
[Code] .....
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protected void BtnUpload_Click(object sender, EventArgs e) {
uploadImageError.Visible = true;
if (fup1.HasFile && fup1.PostedFile.ContentLength < 102400) {
string watermarkText = "behtop.com";
string path = Server.MapPath("~/image/House/product/");
[Code] ....
Problem is when I upload image and click on btnupload it shows image in new window with watermark text but it doesn't save it into host...
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How I can do it?
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[Code]....
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[Code]....
[Code]....
[Code]....
[Code]....
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Adding Images In Loop (while Reader.read) Fails
Mar 27, 2011I have following code that I can only add one image per row although I can add Listbox items as I wanted.
If "imgtag" 1~5 is checked, I get these in the listbox.
ie. ImageID = "cat"
listbox1. item gets - cat1, cat2, cat3, cat4, cat5
however I can only create the last image instead of 5 images.
- imageID - cat5
I assign each image unique ID.
If reader2.HasRows Then
While reader2.Read
Dim img1 = Convert.ToString(reader2("imgtag1"))
Dim img2 = Convert.ToString(reader2("imgtag2"))
Dim img3 = Convert.ToString(reader2("imgtag3"))
Dim img4 = Convert.ToString(reader2("imgtag4"))
Dim img5 = Convert.ToString(reader2("imgtag5"))
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Dim a As New HyperLink
a.Attributes.Add("onclick", "return hs.expand(this)")
a.Attributes.Add("href", "../../blog/images/" + blogimg)
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img.ImageUrl = "~/blog/images/" + blogimg
img.Width = 200
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img.ID = blogimg + "1"
a.Controls.Add(img)
blogimg1.Controls.Add(a)
ListBox1.Items.Add(blogimg + "1")
End If
If img2 = "1" Then
Dim blogimg2 As HtmlTableCell = CType(FindControl("blogimg2"), HtmlTableCell)
img.ID = blogimg + "2"
a.Controls.Add(img)
blogimg2.Controls.Add(a)
ListBox1.Items.Add(blogimg + "2")
End If
If img3 = "1" Then
Dim blogimg3 As HtmlTableCell = CType(FindControl("blogimg3"), HtmlTableCell)
img.ID = blogimg + "3"
a.Controls.Add(img)
blogimg3.Controls.Add(a)
ListBox1.Items.Add(blogimg + "3")
End If
If img4 = "1" Then
Dim blogimg4 As HtmlTableCell = CType(FindControl("blogimg4"), HtmlTableCell)
img.ID = blogimg + "4"
a.Controls.Add(img)
blogimg4.Controls.Add(a)
ListBox1.Items.Add(blogimg + "4")
End If
If img5 = "1" Then
Dim blogimg5 As HtmlTableCell = CType(FindControl("blogimg5"), HtmlTableCell)
img.ID = blogimg + "5"
a.Controls.Add(img)
blogimg5.Controls.Add(a)
ListBox1.Items.Add(blogimg + "5")
End If
End While
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{URL] ....
But I have some question:
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View 3 Replies