[mapguide][MG87][Modified] Bitonal raster images sometimes display as garbage when usin...

[Walt Welton-Lair]

You can view the artifact detail at the following URL:

    https://mapguide.osgeo.org/servlets/Scarab/id/MG87

Type:
Defect

Artifact ID:
MG87 (Bitonal raster images sometimes display as garbage when using the DWF viewer)

Modified by:
Walt Welton-Lair
waltweltonlair (walt.welton-lair at autodesk.com)

The following modifications were made to this artifact:
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-- Description set to new value:
Old value:
When viewing a layer for a bitonal raster the DWF Viewer sometimes shows garbage.  It doesn't happen all time - just at certain zoom levels / screen widths.

It looks there's a logic error when process the raster.
New value:
When viewing a layer for a bitonal raster the DWF Viewer sometimes shows garbage.  It doesn't happen all time - just at certain zoom levels / screen widths.

It looks like there's a logic error when process the raster.
-- Status Explanation set to new value:
Code fix has been submitted to the trunk stream.
-- Developer Notes set to new value:
The bug was caused by a logic error in RasterAdapter::DecodeBitonal.  In the case where the requested image width was a multiple of 8, the code would miss one byte of data at the end of each row.

-- Artifact Status changed:
Old value:
New
New value:
Resolved
-- Resolution Description set to new value:
Old value:
Code fix has been submitted in the trunk.
New value:
Code fix has been submitted to the trunk stream.



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