Reintroduce features

This is to reduce breakage and to make egui_commonmark's image loading
work out of the box.

Cargo.toml

@@ -24,14 +24,19 @@ syntect = { version = "5.0.0", optional = true, default-features = false, featur
 document-features = { version = "0.2", optional = true }
 
 [features]
+default = ["load-images"]
 ## Syntax highlighting for code blocks
 syntax_highlighting = ["syntect"]
 
+load-images = ["egui_extras/image", "egui_extras/file", "image/png"]
+
+## Support loading svg images
+svg = ["egui_extras/svg"]
+
+## Images with urls will be downloaded and displayed
+fetch = ["egui_extras/http", "image/jpeg"]
+
 [dev-dependencies]
-egui_extras = { git = "https://github.com/emilk/egui", rev = "67a3fcae383044def7450b311ddc1f79e36eaae0", features = [
-    "all-loaders",
-    "log",
-] }
 eframe = { git = "https://github.com/emilk/egui", rev = "67a3fcae383044def7450b311ddc1f79e36eaae0" }
 image = { version = "0.24", default-features = false, features = ["png"] }
 

README.md

@@ -10,21 +10,6 @@ Github's markdown syntax: tables, strikethrough, tasklists and footnotes.
 
 ## Usage
 
-In `Cargo.toml` add the following:
-
-```toml
-egui_commonmark = "0.8"
-
-# If you don't need image loading you can ignore the dependencies below.
-
-# Specify the the ways you want to load images, check egui_extras features
-# for more info. Or use the feature "all-loaders" if you don't care.
-egui_extras = { version = "<to-be-released>", features = ["image", "files"] }
-
-# Opt into the image formats you want to load
-image = { version = "0.24", features = ["png"] }
-```
-
 ```rust
 use egui_commonmark::*;
 let markdown =
@@ -42,6 +27,8 @@ CommonMarkViewer::new("viewer").show(ui, &mut cache, markdown);
 
 * `syntax_highlighting`: Syntax highlighting inside code blocks with
   [`syntect`](https://crates.io/crates/syntect)
+* `svg`: Support for viewing svg images
+* `fetch`: Images with urls will be downloaded and displayed
 
 ## License