Issue 969 in moose-technology: Roassal crops the exported PNG

Status: New
Owner: ----
CC: [hidden email]
Labels: Type-Defect Priority-Medium Component-Roassal Milestone-4.8

New issue 969 by [hidden email]: Roassal crops the exported PNG
http://code.google.com/p/moose-technology/issues/detail?id=969

Try this:

view shape label text: #printString.
view nodes: (1 to: 100).
view edge: 0 from: 1 to: 50.
view edge: 0 from: 51 to: 100.

Make sure only the first 40 something nodes are visible in the canvas, and  
then export to PNG.

You will get only the visible part of the nodes and the first edge.

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Comment #1 on issue 969 by [hidden email]: Roassal crops the exported  
PNG
http://code.google.com/p/moose-technology/issues/detail?id=969

Just to make it clear: This little bug makes Roassal useless for exporting  
less than trivial pictures. And this is not good for advertisement :)

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Comment #2 on issue 969 by [hidden email]: Roassal crops the exported  
PNG
http://code.google.com/p/moose-technology/issues/detail?id=969

The problem is that the export relies on ROView>>#elementsToRenderDo:, but  
this method takes into account only the cached elementsToRendered.  
Essentially we need to recompute those elements to make them take into  
account the entire canvas.

There exist a ROView>>#updateElementsToRender but this one is not activated  
during the export because the actual camera is not resized (only the canvas  
is).

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Comment #3 on issue 969 by [hidden email]: Roassal crops the exported  
PNG
http://code.google.com/p/moose-technology/issues/detail?id=969

The code for building the picture is here:
ROView>>#bitmapForEncompassingRectangle

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Updates:
        Status: Fixed

Comment #4 on issue 969 by [hidden email]: Roassal crops the  
exported PNG
http://code.google.com/p/moose-technology/issues/detail?id=969

Version 1.418  of Roassal fix this

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