QT REAL TIME graph for large pixel data

[swansorter]

hi
i am working on real time graph plot
1.I am continuously receiving rgb pixel data
2.each packet has 2048 pixel data in rgb format
3.each pixel has 8bit rgb data(8 bit R data ,8 bit G data, 8 bit B data).
4.i want plot it and update it in the real time
i tried with qt example and custom graph, but i am not able to get the proper graph
is there any way to plot large table value and update .

[swansorter]

I want it in line series format,is it possible to plot 2048 pixel plot in line series graph and update with the new values?