Using react-native-skia for raster drawing tool

[RProduction]

Hello, I want to ask something for research purpose of this library.

Can I use this library to handle raster drawing? I want to use this as pixel art drawing tool.

Will this library can handle it to make it performance? Pixel art just need a few pixel to handle so maybe it will be okay.

But probably user can scale the size, so they can use it as normal drawing app.
Is there is no way to draw it into pixel buffer rather than path?

I don't really know how painting software handle their drawing logic.
So maybe someone can give me insight.

[wcandillon]

I think Skia could be used for that definitely.

[RProduction]

I just think of a logic to store the data.
I am going to save it like image buffer.
And iterate the data to generate that square vector. So imagine, if user create 4000×4000 px canvas. And user paint all that canvas with color. I think the device can not handle this... or I just understimating this? I need to know how raster painting tool like krita, photoshop, gimp work.

[RProduction]

How about picture? I see there is createPicture function? Will picture render object created with createPicture as 1 raster image?

Edit:
Seem like picture accept uint8array. I will probably use picture as drawing component.

[RProduction]

Seem, I already gained my conclusion.

@wcandillon

For one last thing, will skia engine handle drawing on GPU? Or CPU? I don't have any problem with logic to draw anymore. But using CPU to handle big screen drawing will eat performance I think.

Well it is just an example of extreme use case. It is pixel art drawing tool, so user probably will draw in small resolution. But if user intended to use it as normal drawing tool, I hope the engine can handle that too.

[wcandillon]

yes we use a gpu backend

[RProduction]

I see, thank you very much.
I really thankful for this awesome library.