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V4 thermal printer driver RRS feed

  • Question

  • I am trying to develop a V4 thermal printer driver. I have started from the V4 driver in the MS documentation and added the xpsrasfilter and I can print the TIFF output to file and it looks OK from Notepad & Wordpad (I haven't tried printing form any other apps). The thermal printer won't take TIFF images so I am trying to convert the bitmap into the correct format. From Notepad, I can use the alpha component to create the correct output and can print using that. However, if I try to print from Wordpad, the bitmap data is completely different format for the same source document. Both bitmaps reports as the same format but are very different when examined in memory. Can the bitmap->raster conversion be done in the bitmap handler or does it have to be passed to another thread?



    Wednesday, October 9, 2019 7:00 PM

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