Rank: Advanced Member
Groups: Member
Joined: 10/12/2015(UTC)
Posts: 44
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While we are processing psd files there are situations when we need to provide an empty string for the text value. Code:psdProcessor.StringCallback = (processor, textFrame) => {
if(textFrame.Text == "PET NAME")
return GetPetNameFromDatabase();
return textFrame.Text;
};
For instance, we have one text layer that provides a Name, and another with their Pet Name. If they don't have a Pet Name I'm returning string.Empty, but that throws an ArgumentNullException. Code:Message: Value cannot be null. Parameter name: text
Aurigma.GraphicsMill.AdvancedDrawing.Graphics.DrawText(Text text):21
Aurigma.GraphicsMill.Templates.PsdProcessor.RenderText(PsdTextFrame frame):673
Aurigma.GraphicsMill.Templates.PsdProcessor.RenderFrame(PsdFrame frame):23
Aurigma.GraphicsMill.Templates.PsdProcessor.CreateContainer(PsdFrame frame):46
Aurigma.GraphicsMill.Templates.PsdProcessor.CreateContainer(Stream psdStream):103
Aurigma.GraphicsMill.Templates.PsdProcessor.Render(Stream psdStream, Stream outStream, WriterSettings writerSettings):42
How can we return an empty string or flag the layer to not be rendered? Unfortunately this is crucial to our processing/logic.
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Rank: Advanced Member
Groups: Member
Joined: 7/4/2017(UTC)
Posts: 43
Was thanked: 12 time(s) in 12 post(s)
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Hi, Try to return "\0" (which is the Unicode null character) value instead of string.Empty. Regards, Andrew Edited by user Tuesday, December 26, 2017 8:55:29 PM(UTC)
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 1 user thanked Andrey Semenov for this useful post.
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Rank: Advanced Member
Groups: Member
Joined: 10/12/2015(UTC)
Posts: 44
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That worked perfect. Thank you.
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