Source code
Revision control
Copy as Markdown
Other Tools
/* 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
extern crate euclid;
extern crate gleam;
extern crate glutin;
extern crate webrender;
extern crate winit;
#[path = "common/boilerplate.rs"]
mod boilerplate;
use crate::boilerplate::{Example, HandyDandyRectBuilder};
use euclid::vec2;
use webrender::ShaderPrecacheFlags;
use webrender::api::*;
use webrender::render_api::*;
use webrender::api::units::*;
fn main() {
let mut app = App {
};
boilerplate::main_wrapper(&mut app, None);
}
struct App {
}
impl Example for App {
// Make this the only example to test all shaders for compile errors.
const PRECACHE_SHADER_FLAGS: ShaderPrecacheFlags = ShaderPrecacheFlags::FULL_COMPILE;
fn render(
&mut self,
_api: &mut RenderApi,
builder: &mut DisplayListBuilder,
_txn: &mut Transaction,
_: DeviceIntSize,
pipeline_id: PipelineId,
_document_id: DocumentId,
) {
let content_bounds = LayoutRect::from_size(LayoutSize::new(800.0, 600.0));
let root_space_and_clip = SpaceAndClipInfo::root_scroll(pipeline_id);
let spatial_id = root_space_and_clip.spatial_id;
builder.push_simple_stacking_context(
content_bounds.min,
spatial_id,
PrimitiveFlags::IS_BACKFACE_VISIBLE,
);
let complex = ComplexClipRegion::new(
(50, 50).to(150, 150),
BorderRadius::uniform(20.0),
ClipMode::Clip
);
let clip_id = builder.define_clip_rounded_rect(
root_space_and_clip.spatial_id,
complex,
);
let clip_chain_id = builder.define_clip_chain(None, [clip_id]);
builder.push_rect(
&CommonItemProperties::new(
(100, 100).to(200, 200),
SpaceAndClipInfo { spatial_id, clip_chain_id },
),
(100, 100).to(200, 200),
ColorF::new(0.0, 1.0, 0.0, 1.0),
);
builder.push_rect(
&CommonItemProperties::new(
(250, 100).to(350, 200),
SpaceAndClipInfo { spatial_id, clip_chain_id },
),
(250, 100).to(350, 200),
ColorF::new(0.0, 1.0, 0.0, 1.0),
);
let border_side = BorderSide {
color: ColorF::new(0.0, 0.0, 1.0, 1.0),
style: BorderStyle::Groove,
};
let border_widths = LayoutSideOffsets::new_all_same(10.0);
let border_details = BorderDetails::Normal(NormalBorder {
top: border_side,
right: border_side,
bottom: border_side,
left: border_side,
radius: BorderRadius::uniform(20.0),
do_aa: true,
});
let bounds = (100, 100).to(200, 200);
builder.push_border(
&CommonItemProperties::new(
bounds,
SpaceAndClipInfo { spatial_id, clip_chain_id },
),
bounds,
border_widths,
border_details,
);
if false {
// draw box shadow?
let simple_box_bounds = (20, 200).by(50, 50);
let offset = vec2(10.0, 10.0);
let color = ColorF::new(1.0, 1.0, 1.0, 1.0);
let blur_radius = 0.0;
let spread_radius = 0.0;
let simple_border_radius = 8.0;
let box_shadow_type = BoxShadowClipMode::Inset;
builder.push_box_shadow(
&CommonItemProperties::new(content_bounds, root_space_and_clip),
simple_box_bounds,
offset,
color,
blur_radius,
spread_radius,
BorderRadius::uniform(simple_border_radius),
box_shadow_type,
);
}
builder.pop_stacking_context();
}
}