[Bugs] #4075 Imageviewer HIGH: Zoom jumps to the original size

[Sugar Labs Bugs]

#4075: Zoom jumps to the original size
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    Reporter:  humitos      |          Owner:  humitos    
        Type:  defect       |         Status:  new        
    Priority:  High         |      Milestone:  0.98       
   Component:  Imageviewer  |        Version:  Unspecified
    Severity:  Unspecified  |       Keywords:             
Distribution:  OLPC         |   Status_field:  Unconfirmed
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 Steps to reproduce

  1. Open Image Viewer
  1. Zoom in (maintaining the image fitting the screen)
  1. Zoom out/in again

 Issue

 The image goes back to the original zoom and starts from there

 Expected behaviour

 Start zooming from the last size

 Environment:

 XO-4 os7. Image Viewer v53

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Ticket URL: <http://bugs.sugarlabs.org/ticket/4075>
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