Histogram with bezier curve overlay
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Before I disappear down a rabbit hole trying to do something that QtChart won't do, I thought I'd check if QtCharts can do what I want to replicate.
Below is a histogram with a bezier curve overlay created by some old code that I need to convert to Qt. The histogram displays normalised observation counts against intensity level (0 to 65535) for each of Red Green and Blue, and a gaussian curve for each colour displaying additional information. The bezier curve (black) is conceptually the same as the curve in Photoshop "Curves"
Not quite sure where I'd start with this, guidance will be most welcome.
I think I may be able to do the red, green and blue "histograms" using QAreaSeries
Thanks
David -
I personally don't use QtCharts as it is only GPL (or commercial). However, I would expect that it does not understand the concept of bezier curves. Instead, for charts you usually have to provide a list of x/y coordinates. This means you need to sample your bezier curve and provide the sampled points to QtCharts to draw a regular curve.
