fsChartsGetPageImage

The fsChartsGetPageImage function fetches the image of a chart page and uploads it into a NanoVG (or LLVG) image which can be rendered directly using either of the APIs.

 

Syntax

bool fsChartsGetPageImage(
    FsContext ctx,
    const char* url,
    FsChartsPageImageCallback callback,
    void* userData
    );

 

Members

Parameters	Description
ctx	The FsContext of the gauge invoking this function.
url	The URL of the chart page to fetch, obtained from an FsChartPage.
callback	The callback invoked when the request completes.
userData	A user-defined pointer for data that is to be returned as part of the callback (or NULL if not required).

Return Values

The function returns False if something has gone wrong, otherwise it returns True.

 

Remarks

N/A