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Symbol palette item: image

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116064 Mar 26,2014 06:52 AM Mar 28,2014 01:17 AM ASP.NET MVC (Classic) 2
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Tags: Diagram
Tom
Asked On March 26, 2014 06:52 AM

 Hi,

Do we have the possibility to add custom images in the symbol palette?

If I insert an image on the diagram, and then do 'add symbol to active pallet' and afterwards export the palette, it gives me an error: The given key was not present in the dictionary

Is their another way to create palette items that are images?

 

Regards,
Tom


Tom
Replied On March 26, 2014 10:48 AM

Ok I managed to create an Image on the palette with following code:

Node bla = new Node();

bla.Shape = Shapes.Image;

bla.Name = "facebook";

Image image = Image.FromFile(context.Server.MapPath("~/Images/facebook.png"));

using (MemoryStream stream = new MemoryStream())

 

 

{

 

// Save image to stream.

image.Save(stream, ImageFormat.Png);

Bitmap test = new Bitmap(stream);

 

 

bla.Image = test;

}

customShape.AppendChild(bla);

 

 

But now the problem is, when I add the image to the diagram and export it to png or jpg, the diagram is empty (even the gridlines are gone)


Shyam G [Syncfusion]
Replied On March 28, 2014 01:17 AM

Hi Tom,

Thanks for using Syncfusion product.

 Currently we don’t have support to export custom image in JPG,PNG,BMP format.we are using third party library canvg.js  to export Diagram in JPG,PNG,BMP format and it doesn't have support to export custom embedded images.

 Please let me know if any concerns,

 Regards,

Shyam G

 


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