Boxoft PDF to Video ()enables users record video from PDF file. It provides 3 options about location: "Center", "Stretch/Shrink" and "Preserve Aspect Ratio".
Click "Setting" button on the top menu bar;
On the default pop-up box, select the area of "Image Placement" check on base on your need;
After that, users can preview the effects by clicking the "Preview button" and eidit again.
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