Converting transparent PNG to JPEG (as buffer) adds black background

EyalAr / lwip

Light Weight Image Processor for NodeJS

MIT License

2.37k stars 230 forks source link

Closed igorpavlov-zz closed 8 years ago

igorpavlov-zz commented 8 years ago

It is not possible to specify the background color, or it is not described in the manual.

EyalAr commented 8 years ago

Are you referring to PNGs with transparency?

EyalAr commented 8 years ago

If yes, you should paste your image on top of a colored canvas, and then write as JPEG.