Struct Framebuffer 

pub struct Framebuffer { /* private fields */ }

RGBA framebuffer with bottom-up (Y-up) row ordering.

Implementations

impl Framebuffer

pub fn new(width: u32, height: u32) -> Self

Create a new zeroed framebuffer.

pub fn width(&self) -> u32

pub fn height(&self) -> u32

pub fn pixels(&self) -> &[u8]

Raw RGBA8 pixels in bottom-up row order. Row 0 = Y=0 = bottom of image. Upload directly to OpenGL without modification.

pub fn pixels_mut(&mut self) -> &mut [u8]

Mutable access to the raw pixel data.

pub fn into_pixels(self) -> Vec<u8>

Consume the framebuffer and return ownership of the underlying Vec<u8>. Used by widget backbuffer caching to hand the bitmap off to an Arc without copying.

pub fn resize(&mut self, width: u32, height: u32)

Resize the framebuffer (pixels are zeroed on resize).

pub fn pixels_flipped(&self) -> Vec<u8>

Return a copy of the pixels with rows reversed (top-down / Y-down order).

Use this for HTML Canvas putImageData, which expects the first row to be the top of the image.