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x-fgi
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Shadows
Oct 14th, 2010 at 8:16am
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Hi Stoyo,
Our Customer do not want shadows in diagram... I don't know way he displike shadows but.. that's it!

I set the shadows property to false and the shadows disappears from flowchart's diagram.
But if I perform a SelectAll and CopyToClipboard, then I past the result somewere else, ( for example in a simple "Paint" or msWorld or whatever can accept past of graphical Clipboard) The shadows appears again in the pasted !!!!!
I was expecting a Wysiwyg result, but it is not so!
I see that PrintProperty has a separate Shadows Property, but I have found no separate property for clipboard...
How I can I remove the shadows form CLipboard?
thank you
Franco
  

Franco
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Stoyo
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Re: Shadows
Reply #1 - Oct 14th, 2010 at 9:14am
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Hi Franco,

Is Flowchart.ShowShadows the property you set to false? It is global for all objects, and I can't see a way to get a part of the boxes display shadows if it's disabled.

Stoyan
  
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Re: Shadows
Reply #2 - Oct 14th, 2010 at 10:19am
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Hi Stoyo,
the user don't want to see any shadows at all.

I set the "global" flowchartx property FlowChart.ShowShadows := False.
the shadows do no appears on the screen as expected.
But ....
if I programmatically select all objects (n.b. all without shadows) then I perform a copy to clipboard and then I past the clipboard in a Paint , the objects now have the shadows : it's crazy!Why?

My collegue try to do the same using SaveTofile method with both  BMP or Jpg format, but the result is always WITH SHADOWS, regardless what we see on the screen!

what we can do?
thank you
Franco
  

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Stoyo
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Re: Shadows
Reply #3 - Oct 14th, 2010 at 10:51am
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Hi Franco,

So you meant copying and pasting a bitmap... In that case set flowchart.ImageExportOptions.EnableShadows = false.

I hope that helps,
Stoyan
  
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Re: Shadows
Reply #4 - Oct 14th, 2010 at 1:41pm
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Hy Stoyo, I discoverd that Our customer do not want to see shadows because he think the shadows on arrows are the reason of another strange effect...
Despite I do not know how he think that the shadows and the strange effect are related to....Anyway, the strange effect is what follows:
when the "pasted" image is printed on some ( not all) printing machines, the arrows appears surrounded by a filled gray rectangle..... so the behaviour of the chart look like a patchwork of gray rectangles. Cry.... the rectangle corners are at the two end of each arrow.
I try to see if there is a rectangle around the arrows ( i.e. a near blank rectangle, invisile at human eye) but nothing at all!!!When I look at the document on my system I see that all pixels around the arrows are white ( 255,255,255 in r,g,b format)
Could it be that on certain systems colors are remapped?
again I don't know how to think.... ???
Thank you
Franco
  

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Re: Shadows
Reply #5 - Oct 14th, 2010 at 2:14pm
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Hi Franco,

That sounds more like a hardware problem, e.g. a leaky print head, or perhaps the printer's firmware or Windows driver cannot scale bitmap images correctly. Does the problem appear if you use the flowchart's Print method instead of printing an image? If it prints fine then, perhaps it's the latter problem (bitmap scaling). You might try to verify that by drawing some lines in Paint at similar angles and with same color as the flowchart arrows, and see if that bitmap prints any better. Then at least you can point your client to ask the print machines' manufacturer for a solution...

I hope that helps,
Stoyan
  
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Re: Shadows
Reply #6 - Oct 14th, 2010 at 2:21pm
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... you could also try pasting metafiles instead of bitmaps to see if it helps. However some text styles and GDI+ semitransparency are not supported when exporting metafiles.
  
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