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All Posts - Wenli Zhang
Posts tagged with Canvas
Creative Commons License
Every blog post in this site by Wenli Zhang is licensed under a CC 3.0 License, based on a work at Github. You can see the source code of this blog site at github.com/Ovilia/blog.

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9 yr
Ago

Upload Canvas Snapshots to Node.js

This post talks about how to generate a snapshot image from canvas and upload to Node.js, and then save to BOS. Since BOS has a limit for file name, we first save it locally on Node.js server and then upload to BOS.

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10 yr
Ago

Drawing Heatmap with HTML Canvas

This post introduces how to draw a heatmap chart using Canvas. By the end of the post, you can get the result as shown in the following image.

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