Pasting image/png into Lazarus application throws exception
lazarus / 39-Graphics

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hakelm · 2018-09-19 20:47

I am trying to paste images into a tpicture with
pic.LoadFromClipboardFormat(Clipboard.FindPictureFormatID);
jpegs seem to work ok, but I have trouble with mimetype image/png,
with ID 119.
An exception, 'External: SIGSEGV', is thrown in fpimagebitmap line 61:
Result := 'image/' + DefaultFileExt;
This should really not be possible since the value of DefaultFileExt
is 'png' at this point.
Can someone please help me or give me an explanation.
I am using Lazarus 1.9.0 running under Ubuntu 16.04
H

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Jurassic Pork · 2018-09-20 02:07

hello,
try to use the example project Image Clipboard from here. It uses
another way to paste a picture from the clipboard. In attachment a
screenshot of this project :  copy an image from gimp and paste the
image with the paste button of the project . Ubuntu 16.04   Lazarus
1.8.2
The number displayed at the bottom of the form is the PictureFormatId.
From what do you copy your picture ?

Friendly, J.P

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hakelm · 2018-10-10 12:57

Thank you.
I am sorry for the long delay of my answer.
This due to the fact that I observed that my code works on one but not
on the other of two nearly identical machines running Ubuntu 16.04 and
I haven't had time to sort that out yet.
I will be back when I know better.
H