Category "putimagedata"

Canvas putimagedata is sometimes not drawing like expected

I am trying to draw a simple flat line from the left center of my canvas to right side. The starting and ending points will be taken from textbox input. To do t

Dropshadow in html canvas using context.putImageData

In a html canvas, I am trying to generate dropshadow on an image with transparant pieces in it. This image is generated by code and then drawn to the canvas usi