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Update azure

Browse source 
https://github.com/servo/rust-azure/pull/293
This commit is contained in:
Anthony Ramine 2018-09-16 20:53:38 +02:00
parent f1e8eb640c
commit 21e992bf40
2 changed files with 42 additions and 41 deletions
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73
components/canvas/canvas_data.rs
View file

@ -405,51 +405,52 @@ impl<'a> CanvasData<'a> {
}
}
#[allow(unsafe_code)]
pub fn send_pixels(&mut self, chan: IpcSender<Option<ByteBuf>>) {
self.drawtarget.snapshot().get_data_surface().with_data(|element| {
chan.send(Some(Vec::from(element).into())).unwrap();
})
let data = unsafe { self.drawtarget.snapshot().get_data_surface().data().to_vec() };
chan.send(Some(data.into())).unwrap();
}
#[allow(unsafe_code)]
pub fn send_data(&mut self, chan: IpcSender<CanvasImageData>) {
self.drawtarget.snapshot().get_data_surface().with_data(|element| {
let size = self.drawtarget.get_size();
let size = self.drawtarget.get_size();
let descriptor = webrender_api::ImageDescriptor {
size: webrender_api::DeviceUintSize::new(size.width as u32, size.height as u32),
stride: None,
format: webrender_api::ImageFormat::BGRA8,
offset: 0,
is_opaque: false,
allow_mipmaps: false,
};
let data = webrender_api::ImageData::Raw(Arc::new(element.into()));
let descriptor = webrender_api::ImageDescriptor {
size: webrender_api::DeviceUintSize::new(size.width as u32, size.height as u32),
stride: None,
format: webrender_api::ImageFormat::BGRA8,
offset: 0,
is_opaque: false,
allow_mipmaps: false,
};
let data = webrender_api::ImageData::Raw(Arc::new(
unsafe { self.drawtarget.snapshot().get_data_surface().data().into() },
));
let mut txn = webrender_api::Transaction::new();
let mut txn = webrender_api::Transaction::new();
match self.image_key {
Some(image_key) => {
debug!("Updating image {:?}.", image_key);
txn.update_image(image_key, descriptor, data, None);
}
None => {
self.image_key = Some(self.webrender_api.generate_image_key());
debug!("New image {:?}.", self.image_key);
txn.add_image(self.image_key.unwrap(), descriptor, data, None);
}
match self.image_key {
Some(image_key) => {
debug!("Updating image {:?}.", image_key);
txn.update_image(image_key, descriptor, data, None);
}
if let Some(image_key) = mem::replace(&mut self.very_old_image_key, self.old_image_key.take()) {
txn.delete_image(image_key);
None => {
self.image_key = Some(self.webrender_api.generate_image_key());
debug!("New image {:?}.", self.image_key);
txn.add_image(self.image_key.unwrap(), descriptor, data, None);
}
}
self.webrender_api.update_resources(txn.resource_updates);
if let Some(image_key) = mem::replace(&mut self.very_old_image_key, self.old_image_key.take()) {
txn.delete_image(image_key);
}
let data = CanvasImageData {
image_key: self.image_key.unwrap(),
};
chan.send(data).unwrap();
})
self.webrender_api.update_resources(txn.resource_updates);
let data = CanvasImageData {
image_key: self.image_key.unwrap(),
};
chan.send(data).unwrap();
}
pub fn image_data(
@ -606,6 +607,7 @@ impl<'a> CanvasData<'a> {
/// It reads image data from the canvas
/// canvas_size: The size of the canvas we're reading from
/// read_rect: The area of the canvas we want to read from
#[allow(unsafe_code)]
pub fn read_pixels(&self, read_rect: Rect<i32>, canvas_size: Size2D<f64>) -> Vec<u8> {
let canvas_size = canvas_size.to_i32();
let canvas_rect = Rect::new(Point2D::new(0i32, 0i32), canvas_size);
@ -617,8 +619,7 @@ impl<'a> CanvasData<'a> {
}
let data_surface = self.drawtarget.snapshot().get_data_surface();
let mut src_data = Vec::new();
data_surface.with_data(|element| { src_data = element.to_vec(); });
let src_data = unsafe { data_surface.data() };
let stride = data_surface.stride();
//start offset of the copyable rectangle