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introduce frame_size and window_rect

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This commit is contained in:
Paul Rouget 2017-03-07 02:46:06 +01:00
parent c62973b77b
commit 2a05534efb
4 changed files with 50 additions and 11 deletions
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40
components/compositing/compositor.rs
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@ -9,6 +9,7 @@ use compositor_thread::{InitialCompositorState, Msg, RenderListener};
use delayed_composition::DelayedCompositionTimerProxy;
use euclid::Point2D;
use euclid::point::TypedPoint2D;
use euclid::rect::TypedRect;
use euclid::scale_factor::ScaleFactor;
use euclid::size::TypedSize2D;
use gfx_traits::{Epoch, FragmentType, ScrollRootId};
@ -140,8 +141,11 @@ pub struct IOCompositor<Window: WindowMethods> {
/// The scene scale, to allow for zooming and high-resolution painting.
scale: ScaleFactor<f32, LayerPixel, DevicePixel>,
/// The application window size.
window_size: TypedSize2D<u32, DevicePixel>,
/// The size of the rendering area.
frame_size: TypedSize2D<u32, DevicePixel>,
/// The position and size of the window within the rendering area.
window_rect: TypedRect<u32, DevicePixel>,
/// The overridden viewport.
viewport: Option<(TypedPoint2D<u32, DevicePixel>, TypedSize2D<u32, DevicePixel>)>,
@ -376,7 +380,8 @@ impl webrender_traits::RenderDispatcher for CompositorThreadDispatcher {
impl<Window: WindowMethods> IOCompositor<Window> {
fn new(window: Rc<Window>, state: InitialCompositorState)
-> IOCompositor<Window> {
let window_size = window.framebuffer_size();
let frame_size = window.framebuffer_size();
let window_rect = window.window_rect();
let scale_factor = window.hidpi_factor();
let composite_target = match opts::get().output_file {
Some(_) => CompositeTarget::PngFile,
@ -388,7 +393,8 @@ impl<Window: WindowMethods> IOCompositor<Window> {
port: state.receiver,
root_pipeline: None,
pipeline_details: HashMap::new(),
window_size: window_size,
frame_size: frame_size,
window_rect: window_rect,
scale: ScaleFactor::new(1.0),
viewport: None,
scale_factor: scale_factor,
@ -756,7 +762,18 @@ impl<Window: WindowMethods> IOCompositor<Window> {
fn send_window_size(&self, size_type: WindowSizeType) {
let dppx = self.page_zoom * self.hidpi_factor();
let initial_viewport = self.window_size.to_f32() / dppx;
let window_rect = {
let offset = webrender_traits::DeviceUintPoint::new(self.window_rect.origin.x, self.window_rect.origin.y);
let size = webrender_traits::DeviceUintSize::new(self.window_rect.size.width, self.window_rect.size.height);
webrender_traits::DeviceUintRect::new(offset, size)
};
let frame_size = webrender_traits::DeviceUintSize::new(self.frame_size.width, self.frame_size.height);
self.webrender_api.set_window_parameters(frame_size, window_rect);
let initial_viewport = self.window_rect.size.to_f32() / dppx;
let msg = ConstellationMsg::WindowSize(WindowSizeData {
device_pixel_ratio: dppx,
initial_viewport: initial_viewport,
@ -892,11 +909,16 @@ impl<Window: WindowMethods> IOCompositor<Window> {
self.update_zoom_transform();
}
if self.window_size == new_size {
let new_window_rect = self.window.window_rect();
let new_frame_size = self.window.framebuffer_size();
if self.window_rect == new_window_rect &&
self.frame_size == new_frame_size {
return;
}
self.window_size = new_size;
self.frame_size = new_size;
self.window_rect = new_window_rect;
self.send_window_size(WindowSizeType::Resize);
}
@ -1485,7 +1507,7 @@ impl<Window: WindowMethods> IOCompositor<Window> {
target: CompositeTarget)
-> Result<Option<Image>, UnableToComposite> {
let (width, height) =
(self.window_size.width as usize, self.window_size.height as usize);
(self.frame_size.width as usize, self.frame_size.height as usize);
if !self.window.prepare_for_composite(width, height) {
return Err(UnableToComposite::WindowUnprepared)
}
@ -1523,7 +1545,7 @@ impl<Window: WindowMethods> IOCompositor<Window> {
debug!("compositor: compositing");
// Paint the scene.
let size = webrender_traits::DeviceUintSize::from_untyped(&self.window_size.to_untyped());
let size = webrender_traits::DeviceUintSize::from_untyped(&self.frame_size.to_untyped());
self.webrender.render(size);
});