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layout: Implement filter per CSS-FILTERS § 5.

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`blur` and `drop-shadow` are not yet supported, because the
`text-shadow` PR makes some fundamental changes to blur rendering that
are needed first.
This commit is contained in:
Patrick Walton 2015-01-05 19:22:02 -08:00
parent 6b3c05cdd2
commit 15d60d7ea4
20 changed files with 499 additions and 62 deletions
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10
components/layout/layout_task.rs
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@ -45,8 +45,7 @@ use script_traits::{ConstellationControlMsg, CompositorEvent, OpaqueScriptLayout
use script_traits::{ScriptControlChan, UntrustedNodeAddress};
use servo_msg::compositor_msg::ScrollPolicy;
use servo_msg::constellation_msg::Msg as ConstellationMsg;
use servo_msg::constellation_msg::{ConstellationChan, Failure, PipelineExitType};
use servo_msg::constellation_msg::PipelineId;
use servo_msg::constellation_msg::{ConstellationChan, Failure, PipelineExitType, PipelineId};
use servo_net::image_cache_task::{ImageCacheTask, ImageResponseMsg};
use servo_net::local_image_cache::{ImageResponder, LocalImageCache};
use servo_net::resource_task::{ResourceTask, load_bytes_iter};
@ -57,13 +56,14 @@ use servo_util::opts;
use servo_util::smallvec::{SmallVec, SmallVec1, VecLike};
use servo_util::task::spawn_named_with_send_on_failure;
use servo_util::task_state;
use servo_util::time::{TimeProfilerCategory, ProfilerMetadata, TimeProfilerChan, TimerMetadataFrameType};
use servo_util::time::{TimerMetadataReflowType, profile};
use servo_util::time::{TimeProfilerCategory, ProfilerMetadata, TimeProfilerChan};
use servo_util::time::{TimerMetadataFrameType, TimerMetadataReflowType, profile};
use servo_util::workqueue::WorkQueue;
use std::cell::Cell;
use std::comm::{channel, Sender, Receiver, Select};
use std::mem;
use std::ptr;
use style::computed_values::filter;
use style::{StylesheetOrigin, Stylesheet, Stylist, TNode, iter_font_face_rules};
use style::{MediaType, Device};
use std::sync::{Arc, Mutex, MutexGuard};
@ -697,7 +697,7 @@ impl LayoutTask {
&origin,
&origin,
0,
1.0,
filter::T::new(Vec::new()),
Some(paint_layer)));
rw_data.stacking_context = Some(stacking_context.clone());