[QGIS-trac] Re: [Quantum GIS] #2271: print composer large format A0

[Quantum GIS]

#2271: print composer large format A0
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        Reporter:  gespiel                           |         Owner:  nobody 
            Type:  bug                               |        Status:  new    
        Priority:  major: does not work as expected  |     Milestone:         
       Component:  Printing                          |       Version:  1.3.0  
      Resolution:                                    |      Keywords:         
Platform_version:  XP sp3                            |      Platform:  Windows
        Must_fix:  Yes                               |   Status_info:  0      
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Comment (by mhugent):

 Attached is a work-in-progress patch that draws rasters in tiles of appr.
 200 MByte (this can be configured in QgRasterImageBuffer::reset()). It
 adds a new class QgsRasterImageBuffer that takes care of partitioning the
 image and the requests to retreive data from GDAL. So all the partitioning
 happens transparent to QgsRasterLayer.
 In the patch, QgsRasterImageBuffer is only applied in the method
 QgsRasterLayer::drawPalettedSingleBandColor. But I'm going to change the
 other ones too once the raster team reviewed the patch (and thinks the
 approach is ok).

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Ticket URL: <http://trac.osgeo.org/qgis/ticket/2271#comment:5>
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