[cairo] scale without bluring

[Michael Gurnett]

Have been struggleing with this for a while now and could do with some pointers. I rescaling a graph by 0.99 over and over again in the x directions. When I do this the image blurs out and in the end the data is lossed. I tried using StretchBlt but this just not seem to be compatible with the format of the cr. It doesn't blur but i doesn't scale correctly. I've tried turning off antialising but that does not seem to help either. Any hints on how to scale without blurring.Is there a StretchBlt equivalent in cairo that I have missed?

Thanks 

Michael
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