How do plot a filled line graph using emWin widget?

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  • Hi,

    Unfortunately there is no ready to use widget for a filled graph. But that could be achieved by a window drawing the graph manually for example with vertical lines. There is a sample (MEMDEV_UseDataPointer) showing a very simple filled graph:

    [img]data:image/png;base64,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[/img]

    May that helps.

    Regards, Jörg
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