Capture Control Into Image

111 100+

I wants to capture Table contents(ie. entire table) into image file in aspx page.

How to do?.

There is a code for captuer a portion of he screen.

Cature a rectangle of the screen and save to a png file

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 var as=new ActiveXObject("ActiveScreen.Capturer");

as.CaptureRect(200, 200, 400, 300);

var fs=as.SaveToFile("test3.png");

WScript.Echo("Image Size = " + fs.toString() + "\r\n");

But I want to capture only a particular control (Table) contents as image.

Dec 27 '07 #1

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5771

gits

5,390

Expert Mod 4TB

hi ...

so you may use a function like in the following example:

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<script type="text/javascript">

function get_coords(elem_id) {

    var node = document.getElementById(elem_id);

    var dims = {

        x: node.offsetLeft,

        y: node.offsetTop,

        w: node.offsetWidth,

        h: node.offsetHeight

    };
 
    return dims;

}

</script>

<body onload="get_coords('my_table');">

<table id="my_table">

    <tr>

        <td>test</td>

    </tr>

</table>

</body>

that returns you an object with the coords for your CaptureRect(); method ...

kind regards

Dec 27 '07 #2

baburk

111

100+

I had used this script to capture control and its contents as image

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    <script type="text/javascript">

function get_coords(elem_id) {

    var node = document.getElementById(elem_id);
 
    var as = new ActiveXObject("ActiveScreen.Capturer");//Here I got this error

    as.CaptureRect(node.offsetLeft, node.offsetTop, node.offsetWidth, node.offsetHeight);

    var fs=as.SaveToFile("C:\Documents and Settings\arun.v.DBA-CORP\Desktop\Babu\test3.png");

    WScript.Echo("Image Size = " + fs.toString() + "\r\n");
 
    var dims = {

        x: node.offsetLeft,

        y: node.offsetTop,

        w: node.offsetWidth,

        h: node.offsetHeight

    };

    return dims;

}

</script>

Any one help me how to rectify the error.

Thanks in advance.

Jan 3 '08 #3

baburk

111

100+

This script gets the height , width, left, top of the GridView.

Now I want to capture this gridview as image through this position.

How can I?.

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 <SCRIPT LANGUAGE="JAVASCRIPT">

function capture()

{

var node = document.getElementById("GridView1");
 
    var dims = {

        x: node.offsetLeft,

        y: node.offsetTop,

        w: node.offsetWidth,

        h: node.offsetHeight

    };

</script>

Jan 3 '08 #4

gits

5,390

Expert Mod 4TB

hi ...

please keep one topic in one thread ... don't double post your question.

compare the code i provided with that you posted at least ... it will not work since it misses a bracket and the returnvalue for the dims.

as i said you simply should call the function and store the result in a variable:

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var dims = function get_coords(elem_id);

now you could refer to the members of our dims-object like:

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alert(dims.x);

which alerts the left top position. put it into your CaptureRect()-method and it should work.

make an attempt and post back in case you have further problems.

kind regards

Jan 3 '08 #5

gits

5,390

Expert Mod 4TB

I had used this script to capture control and its contents as image

Expand|Select|Wrap|Line Numbers

   <script type="text/javascript">

function get_coords(elem_id) {

    var node = document.getElementById(elem_id);

    var as = new ActiveXObject("ActiveScreen.Capturer");//Here I got this error

    as.CaptureRect(node.offsetLeft, node.offsetTop, node.offsetWidth, node.offsetHeight);

    var fs=as.SaveToFile("C:\Documents and Settings\arun.v.DBA-CORP\Desktop\Babu\test3.png");

    WScript.Echo("Image Size = " + fs.toString() + "\r\n");

    var dims = {

        x: node.offsetLeft,

        y: node.offsetTop,

        w: node.offsetWidth,

        h: node.offsetHeight

    };

    return dims;

}

</script>

Any one help me how to rectify the error.

Thanks in advance.

threads merged again ... please don't spread the topic ... keep it in one thread!

first use the following simplyfied code:

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 function get_coords(elem_id) {

    var node = document.getElementById(elem_id);
 
    var dims = {

        x: node.offsetLeft,

        y: node.offsetTop,

        w: node.offsetWidth,

        h: node.offsetHeight

    };
 
    var capt_obj = new ActiveXObject("ActiveScreen.Capturer");

    capt_obj.CaptureRect(dims.x, dims.y, dims.w, dims.h);
 
    var path = "C:\\Documents and Settings\\arun.v.DBA-CORP\\Desktop\\Babu\\";

    var fs = capt_obj.SaveToFile(path + 'test3.png');
 
    WScript.Echo("Image Size = " + fs.toString() + "\r\n");

}

show the call! how do you call that code?

kind regards

Jan 3 '08 #6

baburk

111

100+

Hi,
Though that heigth, width, top, bottom I want to capture the GridView Into an image and store in one place.

There is a code for captuer a portion of the screen, This throws an exception (Microsoft JScript runtime error: Automation server can't create object).

Cature a rectangle of the screen and save to a png file

Expand|Select|Wrap|Line Numbers

 var as=new ActiveXObject("ActiveScreen.Capturer");

as.CaptureRect(200, 200, 400, 300);

var fs=as.SaveToFile("test3.png");

WScript.Echo("Image Size = " + fs.toString() + "\r\n");

So I am expecting help. How to capture the gridview as image.

Jan 3 '08 #7

baburk

111

100+

I called like this

Expand|Select|Wrap|Line Numbers

 <SCRIPT LANGUAGE="JAVASCRIPT">

function get_coords(elem_id) {

    var node = document.getElementById(elem_id);
 
    var dims = {

        x: node.offsetLeft,

        y: node.offsetTop,

        w: node.offsetWidth,

        h: node.offsetHeight

    };
 
    var capt_obj = new ActiveXObject("ActiveScreen.Capturer");

    capt_obj.CaptureRect(dims.x, dims.y, dims.w, dims.h);
 
    var path = "C:\\Documents and Settings\\arun.v.DBA-CORP\\Desktop\\Babu\\";

    var fs = capt_obj.SaveToFile(path + 'test3.png');
 
    WScript.Echo("Image Size = " + fs.toString() + "\r\n");

}
 
</script>
 
</head>

<body>

    <form id="form1" runat="server">

    <div>

        <br />

        &nbsp;

        <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Button" OnClientClick = "get_coords(GridView1);" Height="25px" />

        <asp:GridView ID="GridView1" runat="server">

        </asp:GridView>

    </div>

    </form>

</body>

</html>

Jan 3 '08 #8

gits

5,390

Expert Mod 4TB

i assume that ID="GridView1" is not the real id of the control ... could you have a look at the source-code when the page is loaded and search for the id there?

kind regards

btw: are you sure you have access to the control? i mean does it work with fixed values?

Jan 3 '08 #9

baburk

111

100+

Are you sure you have access to the control? i mean does it work with fixed values?

Yes It worked with fixed values.

In source also its id is

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 <table cellspacing="0" rules="all" border="1" id="GridView1" style="border-collapse:collapse;">

        <tr>

            <th scope="col">Name</th><th scope="col">Age</th>

        </tr><tr>

            <td>Babu</td><td>26</td>

        </tr>

    </table>

Thanks

Jan 4 '08 #10

gits

5,390

Expert Mod 4TB

hi ...

please use code tags when posting source-code ...

could you alert elem_id at start of the get_coords()-method? ... i think you should adapt:

Expand|Select|Wrap|Line Numbers

OnClientClick="get_coords('GridView1');"

since the id has to be passed as a string ...

kind regards

Jan 4 '08 #11

ChiragShah

Its really helpful, but this code is not working online. i have gone through the other post in which i refer that, for this screen capture user need to change their browser's security settings. From this code i am able to get all values on nodes, but image is not saving on my local machine. kindly help

Dec 30 '11 #12

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