Move PixelFormat to the pixels crate

Cargo.lock

@@ -543,6 +543,7 @@ dependencies = [
  "log 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "msg 0.0.1",
  "net_traits 0.0.1",
+ "pixels 0.0.1",
  "profile_traits 0.0.1",
  "script_traits 0.0.1",
  "servo_config 0.0.1",
@@ -2872,6 +2873,9 @@ name = "pixels"
 version = "0.0.1"
 dependencies = [
  "euclid 0.19.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "malloc_size_of 0.0.1",
+ "malloc_size_of_derive 0.0.1",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3355,6 +3359,7 @@ dependencies = [
  "malloc_size_of_derive 0.0.1",
  "msg 0.0.1",
  "net_traits 0.0.1",
+ "pixels 0.0.1",
  "profile_traits 0.0.1",
  "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
  "servo_atoms 0.0.1",
@@ -4499,6 +4504,7 @@ dependencies = [
  "log 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "msg 0.0.1",
  "net_traits 0.0.1",
+ "pixels 0.0.1",
  "regex 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "script_traits 0.0.1",
  "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",

components/compositing/Cargo.toml

@@ -13,7 +13,7 @@ path = "lib.rs"
 
 [features]
 default = []
-gl = ["gleam"]
+gl = ["gleam", "pixels"]
 
 [dependencies]
 crossbeam-channel = "0.3"
@@ -28,6 +28,7 @@ keyboard-types = "0.4.3"
 log = "0.4"
 msg = {path = "../msg"}
 net_traits = {path = "../net_traits"}
+pixels = {path = "../pixels", optional = true}
 profile_traits = {path = "../profile_traits"}
 script_traits = {path = "../script_traits"}
 servo_config = {path = "../config"}

components/compositing/compositor.rs

@@ -22,7 +22,7 @@ use libc::c_void;
 use msg::constellation_msg::{PipelineId, PipelineIndex, PipelineNamespaceId};
 use net_traits::image::base::Image;
 #[cfg(feature = "gl")]
-use net_traits::image::base::PixelFormat;
+use pixels::PixelFormat;
 use profile_traits::time::{self as profile_time, profile, ProfilerCategory};
 use script_traits::CompositorEvent::{MouseButtonEvent, MouseMoveEvent, TouchEvent};
 use script_traits::{AnimationState, AnimationTickType, ConstellationMsg, LayoutControlMsg};

components/net/image_cache.rs

@@ -4,11 +4,12 @@
 
 use embedder_traits::resources::{self, Resource};
 use immeta::load_from_buf;
-use net_traits::image::base::{load_from_memory, Image, ImageMetadata, PixelFormat};
+use net_traits::image::base::{load_from_memory, Image, ImageMetadata};
 use net_traits::image_cache::{CanRequestImages, ImageCache, ImageResponder};
 use net_traits::image_cache::{ImageOrMetadataAvailable, ImageResponse, ImageState};
 use net_traits::image_cache::{PendingImageId, UsePlaceholder};
 use net_traits::{FetchMetadata, FetchResponseMsg, NetworkError};
+use pixels::PixelFormat;
 use servo_url::ServoUrl;
 use std::collections::hash_map::Entry::{Occupied, Vacant};
 use std::collections::HashMap;

components/net_traits/image/base.rs

@@ -4,20 +4,9 @@
 
 use ipc_channel::ipc::IpcSharedMemory;
 use piston_image::{DynamicImage, ImageFormat};
+use pixels::PixelFormat;
 use std::fmt;
 
-#[derive(Clone, Copy, Debug, Deserialize, Eq, MallocSizeOf, PartialEq, Serialize)]
-pub enum PixelFormat {
-    /// Luminance channel only
-    K8,
-    /// Luminance + alpha
-    KA8,
-    /// RGB, 8 bits per channel
-    RGB8,
-    /// RGB + alpha, 8 bits per channel
-    BGRA8,
-}
-
 #[derive(Clone, Deserialize, MallocSizeOf, Serialize)]
 pub struct Image {
     pub width: u32,

components/pixels/Cargo.toml

@@ -12,3 +12,6 @@ path = "lib.rs"
 
 [dependencies]
 euclid = "0.19"
+malloc_size_of = {path = "../malloc_size_of"}
+malloc_size_of_derive = {path = "../malloc_size_of_derive"}
+serde = {version = "1", features = ["derive"]}

components/pixels/lib.rs

@@ -2,9 +2,25 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
+#[macro_use]
+extern crate serde;
+
 use euclid::{Point2D, Rect, Size2D};
+use malloc_size_of_derive::MallocSizeOf;
 use std::borrow::Cow;
 
+#[derive(Clone, Copy, Debug, Deserialize, Eq, MallocSizeOf, PartialEq, Serialize)]
+pub enum PixelFormat {
+    /// Luminance channel only
+    K8,
+    /// Luminance + alpha
+    KA8,
+    /// RGB, 8 bits per channel
+    RGB8,
+    /// RGB + alpha, 8 bits per channel
+    BGRA8,
+}
+
 pub fn rgba8_get_rect(pixels: &[u8], size: Size2D<u32>, rect: Rect<u32>) -> Cow<[u8]> {
     assert!(!rect.is_empty());
     assert!(Rect::from_size(size).contains_rect(&rect));

components/script/dom/canvasrenderingcontext2d.rs

@@ -34,13 +34,13 @@ use cssparser::{Parser, ParserInput, RGBA};
 use dom_struct::dom_struct;
 use euclid::{vec2, Point2D, Rect, Size2D, Transform2D};
 use ipc_channel::ipc::{self, IpcSender};
-use net_traits::image::base::PixelFormat;
 use net_traits::image_cache::CanRequestImages;
 use net_traits::image_cache::ImageCache;
 use net_traits::image_cache::ImageOrMetadataAvailable;
 use net_traits::image_cache::ImageResponse;
 use net_traits::image_cache::ImageState;
 use net_traits::image_cache::UsePlaceholder;
+use pixels::PixelFormat;
 use profile_traits::ipc as profiled_ipc;
 use script_traits::ScriptMsg;
 use servo_url::ServoUrl;

components/script/dom/paintworkletglobalscope.rs

@@ -44,8 +44,8 @@ use js::rust::wrappers::Construct1;
 use js::rust::HandleValue;
 use js::rust::Runtime;
 use msg::constellation_msg::PipelineId;
-use net_traits::image::base::PixelFormat;
 use net_traits::image_cache::ImageCache;
+use pixels::PixelFormat;
 use profile_traits::ipc;
 use script_traits::Painter;
 use script_traits::{DrawAPaintImageResult, PaintWorkletError};

components/script/dom/webglrenderingcontext.rs

@@ -66,10 +66,9 @@ use js::typedarray::{
     ArrayBufferView, CreateWith, Float32, Float32Array, Int32, Int32Array, Uint32Array,
 };
 use js::typedarray::{TypedArray, TypedArrayElementCreator};
-use net_traits::image::base::PixelFormat;
 use net_traits::image_cache::ImageResponse;
 use offscreen_gl_context::{GLContextAttributes, GLLimits};
-use pixels;
+use pixels::{self, PixelFormat};
 use script_layout_interface::HTMLCanvasDataSource;
 use serde::{Deserialize, Serialize};
 use servo_config::prefs::PREFS;

components/script_traits/Cargo.toml

@@ -29,6 +29,7 @@ malloc_size_of = { path = "../malloc_size_of" }
 malloc_size_of_derive = { path = "../malloc_size_of_derive" }
 msg = {path = "../msg"}
 net_traits = {path = "../net_traits"}
+pixels = {path = "../pixels"}
 profile_traits = {path = "../profile_traits"}
 serde = "1.0"
 servo_atoms = {path = "../atoms"}

components/script_traits/lib.rs

@@ -35,10 +35,10 @@ use libc::c_void;
 use msg::constellation_msg::{BrowsingContextId, HistoryStateId, PipelineId};
 use msg::constellation_msg::{PipelineNamespaceId, TopLevelBrowsingContextId, TraversalDirection};
 use net_traits::image::base::Image;
-use net_traits::image::base::PixelFormat;
 use net_traits::image_cache::ImageCache;
 use net_traits::storage_thread::StorageType;
 use net_traits::{FetchResponseMsg, ReferrerPolicy, ResourceThreads};
+use pixels::PixelFormat;
 use profile_traits::mem;
 use profile_traits::time as profile_time;
 use serde::{Deserialize, Deserializer, Serialize, Serializer};

components/webdriver_server/Cargo.toml

@@ -22,6 +22,7 @@ keyboard-types = "0.4.3"
 log = "0.4"
 msg = {path = "../msg"}
 net_traits = {path = "../net_traits"}
+pixels = {path = "../pixels"}
 regex = "1.0"
 serde = "1"
 serde_json = "1"

components/webdriver_server/lib.rs

@@ -19,7 +19,7 @@ use image::{DynamicImage, ImageFormat, RgbImage};
 use ipc_channel::ipc::{self, IpcReceiver, IpcSender};
 use keyboard_types::webdriver::{send_keys, Event as KeyEvent};
 use msg::constellation_msg::{BrowsingContextId, TopLevelBrowsingContextId, TraversalDirection};
-use net_traits::image::base::PixelFormat;
+use pixels::PixelFormat;
 use regex::Captures;
 use script_traits::webdriver_msg::{LoadStatus, WebDriverCookieError, WebDriverFrameId};
 use script_traits::webdriver_msg::{