Canvas Resize Image Quality. Img onload function step it down only once to 1 6 size. Function resize image src dst type quality var tmp new image canvas context cw ch.
Context drawimage tmp 0 0 cw. Var img new image. Var ctx2 can2 getcontext 2d.
Ctx drawimage img 0 0 w 6 h 6.
Without the canvas he couldn t paint. If you are scaling the canvas you need to disable image smoothing or scale it by using nearest neighbor interpolation. There are a few algorithms to do this manually right now and this is what the above options are doing. To its right will be a.