skia_safe::gpu::ganesh::images

Function subset_texture_from

Source 
pub fn subset_texture_from(
    context: &mut DirectContext,
    image: &Image,
    subset: impl AsRef<IRect>,
) -> Option<Image>
Expand description

Returns subset of this image as a texture-backed image.

Returns None if any of the following are true:

  • Subset is empty
  • Subset is not contained inside the image’s bounds
  • Pixels in the source image could not be read or copied
  • The source image is texture-backed and context does not match the source image’s context.
  • context - the DirectContext to which the subset should be uploaded.
  • subset - bounds of returned Image

Returns: the subsetted image, uploaded as a texture, or None