Should paddings affect rendering buffer size?

[ycw]

Given

<canvas 
  width='100' height='100' 
  style='padding:100px' 
></canvas>

Expected

engine.getRenderWidth() // 100 

Actual

engine.getRenderWidth() // 300 

---

CSS paddings is just a deco, it should not interfere with buffer size, right?

Canvas Drawing Buffer Dimensions

[Deltakosh]

The engine is using the clientREct to get the size of the buffer:

BabylonJS/Babylon.js/blob/master/src/Engines/thinEngine.ts#L1216

[ycw]

yes, here’s the problem, .clientWidth includes paddings!

[ycw]

Imagine that window .innerWidth is 1000px
canvas is 50vw wide (=500px), with paddings 25vw (=250px each)

canvas.clientWidth // 1000 (paddings included)
engine.getRenderWidth() // 1000  (paddings included)

Is it expected, or a mis-calc?
(I expected that render width should be 500px)

[Deltakosh]

It is expected…Since the origin of babylon.js (7 years ago) ;D