Allow comfyui to use images as backgrounds

[mijuku233]

I've made some simple changes so that "comfyui" can use images as background. I've also added two themes with images as backgrounds, which work by placing the background image "bg.png" in the web directory. Theme "ImgBG" (based on a simple modification of the 'dark' theme):

Theme "translucent" (translucent node and image background):

[TingTingin]

allow generating image as background maybe as well?

[ltdrdata]

allow generating image as background maybe as well?

This is also a good idea, but since it requires configuring which output image to use as a background, it seems advisable to expose the API and have a separate output node for background update.

TBH, I've come across a YouTube channel that streamed with settings enabling infinite generation while changing the background a long time ago. It seems that there are individuals who fine-tune and occasionally use such setups

[comfyanonymous]

When zooming in with the scroll wheel on the canvas this makes the current themes flash to the wrong color.

[mijuku233]

When zooming in with the scroll wheel on the canvas this makes the current themes flash to the wrong color.

After switching themes, refresh the page once and the effect will be normal

[DieserBobby]

is it possible to change the tile? I couldn`t figure out where the standard-tile is sitting...