Hi,
I came to the same exact issue but also with Ver. 1.50.4.
I do the follwing through my WPF application:
1- user take snapshot from any where in the screen.
2- image converted to base64 string and saved to xml file.
3- at the time of production PDF file,
4- string base64 is converted to image.
5- image saved to a temp file.
6- migra image created from the temp file.
7- if image width bigger than 15cm it is scaled down to 15 cm width.
that is it. MDDDL File is
https://www.dropbox.com/s/gu17r35ub738uzu/tmp922.tmp.mdddl?dl=0.
Thank you for such development. it is indeed helpful
----- Update ------
I realized something, if the snapshot from screen "Clipboard image" is pixilated PDF production crashes. but other wise it works fine. for example I opened an image and did a massive zoom something like 600% and then take a snapshot, this did not work and kept Migra Renderer loops forever, but when I zoom back to a reasonable shot, it worked like charm. but not sure how I can control that with user at the time of taking the shot. but still not sure if this is the reason as it does not make sense.