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Search for blank space to insert a qrcode |
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Michi 
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Joined: 07 Feb 14 Status: Offline Points: 5 |
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 Topic: Search for blank space to insert a qrcodePosted: 07 Feb 14 at 4:31PM |
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Hello,
is there way to search in an external pdf (scanned or emailed) for a blank space (eg. 2.5 cm x 2.5 cm) to insert a qrcode? I don't want to append an empty page with only the qrcode. Thanks Michi |
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Ingo
Moderator Group 
Joined: 29 Oct 05 Status: Offline Points: 3530 |
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Posted: 11 Feb 14 at 7:39AM |
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Hi Michi!
Not as a QuickPDF-function. You can render a pdf-page to a bitmap and check the rgb-values of the pixels in a special range. If they are all 255/255/255 then it's white. If you've scaled down the bitmap before the performance should be okay. Cheers and welcome here, Ingo |
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Cheers,
Ingo |
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Michi
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Joined: 07 Feb 14 Status: Offline Points: 5 |
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Posted: 17 Mar 14 at 3:29PM |
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Hallo Ingo,
good idea! And not so much work. But I run into a new problem with empty qrcodes -> next post. Thanks Michael |
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