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I’ve got a canvas object that I need to be able to create at a higher resolution than what native screen resolution is. I’m using the Flot graphs library, and I’d need to output a graph that looks just as good when it’s printed as when it’s displayed on screen.
The only method I can think of is making the canvas size 3x larger, then scaling, but I don’t think that’d work properly when I go to print.
Any ideas?
So you are suggesting that you create a canvas element with a particular width and height (it’s native resolution) and scale it to different window coordinates, e.g.:
I think a problem with doing this would be that the print renderer may treat the scaled canvas like an image and just render it at document pixel resolution, so you might not get the improvement you want.
For what you want it might be worth finding out if you could use SVG.