Spracherkennung für: .rs vermutete Sprache: Unknown {[0] [0] [0]} [Methode: Schwerpunktbildung, einfache Gewichte, sechs Dimensionen]
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v.
2.
0. If a copy of the MPL was not distributed with this
* file, You can obtain one at
http://mozilla.org/MPL/2.
0/. */
use webrender::api::{ImageData, ImageDescriptor, ImageFormat, ImageDescriptorFlags};
pub fn make_checkerboard(width: u32, height: u32) -> (ImageDescriptor, ImageData) {
let mut image_data = Vec::new();
for y in
0 .. height {
for x in
0 .. width {
let lum =
255 * (((x &
8) ==
0) ^ ((y &
8) ==
0)) as u8;
image_data.extend_from_slice(&[lum, lum, lum,
0xff]);
}
}
(
ImageDescriptor::new(width as i32, height as i32, ImageFormat::BGRA8, ImageDescriptorFl
ags::IS_OPAQUE),
ImageData::new(image_data)
)
}