Auto merge of #487 - floppyhammer:fix_android_demo, r=jdm

Make the demo compile with NDK

Solving #472. Upgrade `usvg` to `0.20.0`, which removes `harfbuzz_rs` dependency.

Author: bors-servo

c/Cargo.toml

@@ -16,7 +16,7 @@ font-kit = "0.6"
 foreign-types = "0.3"
 gl = "0.14"
 libc = "0.2"
-usvg = "0.9"
+usvg = "0.20.0"
 
 [dependencies.pathfinder_canvas]
 features = ["pf-text"]

demo/android/rust/Cargo.toml

@@ -24,3 +24,6 @@ path = "../../../gl"
 
 [dependencies.pathfinder_gpu]
 path = "../../../gpu"
+
+[dependencies.pathfinder_resources]
+path = "../../../resources"

demo/android/rust/src/lib.rs

@@ -13,12 +13,12 @@ extern crate lazy_static;
 
 use jni::objects::{GlobalRef, JByteBuffer, JClass, JObject, JString, JValue};
 use jni::{JNIEnv, JavaVM};
-use pathfinder_demo::window::{Event, SVGPath, View, Window, WindowSize};
+use pathfinder_demo::window::{Event, DataPath, View, Window, WindowSize};
 use pathfinder_demo::DemoApp;
 use pathfinder_demo::Options;
 use pathfinder_geometry::vector::{Vector2I, vec2i};
 use pathfinder_geometry::rect::RectI;
-use pathfinder_gl::GLVersion;
+use pathfinder_gl::{GLVersion, GLDevice};
 use pathfinder_resources::ResourceLoader;
 use std::cell::RefCell;
 use std::io::Error as IOError;
@@ -175,7 +175,7 @@ pub unsafe extern "system" fn Java_graphics_pathfinder_pathfinderdemo_Pathfinder
     EVENT_QUEUE
         .lock()
         .unwrap()
-        .push(Event::OpenSVG(SVGPath::Resource(string)))
+        .push(Event::OpenData(DataPath::Resource(string)))
 }
 
 struct WindowImpl {
@@ -202,7 +202,7 @@ impl Window for WindowImpl {
 
     fn make_current(&mut self, _view: View) {}
 
-    fn present(&mut self) {}
+    fn present(&mut self, device: &mut GLDevice) {}
 
     fn resource_loader(&self) -> &dyn ResourceLoader {
         &RESOURCE_LOADER

demo/common/Cargo.toml

@@ -11,7 +11,7 @@ pf-gl = []
 clap = "2.32"
 gl = "0.14"
 rayon = "1.0"
-usvg = "0.9"
+usvg = "0.20.0"
 
 [dependencies.image]
 version = "0.23"

demo/common/src/lib.rs

@@ -789,7 +789,7 @@ fn load_scene(resource_loader: &dyn ResourceLoader,
         DataPath::Path(ref path) => std::fs::read(path).unwrap().into()
     };
 
-    if let Ok(tree) = SvgTree::from_data(&data, &UsvgOptions::default()) {
+    if let Ok(tree) = SvgTree::from_data(&data, &UsvgOptions::default().to_ref()) {
         Content::Svg(tree)
     } else if let Ok(file) = PdfFile::from_data(data) {
         Content::Pdf { file, cache: PdfRenderCache::new(), page_nr: 0 }

demo/magicleap/Cargo.toml

@@ -7,7 +7,7 @@ authors = ["Alan Jeffrey <ajeffrey@mozilla.com>"]
 [dependencies]
 gl = "0.14"
 rayon = "1.0"
-usvg = "0.9"
+usvg = "0.20.0"
 egl = "0.2"
 log = "0.4"
 smallvec = "1.2"

svg/Cargo.toml

@@ -12,7 +12,7 @@ keywords = ["pathfinder", "svg", "vector", "graphics", "gpu"]
 [dependencies]
 bitflags = "1.0"
 hashbrown = "0.7"
-usvg = "0.9"
+usvg = "0.20.0"
 
 [dependencies.pathfinder_color]
 path = "../color"

svg/src/lib.rs

@@ -100,7 +100,7 @@ impl SVGScene {
         state.transform = state.transform * node_transform;
         match *node.borrow() {
             NodeKind::Group(ref group) => {
-                if group.filter.is_some() {
+                if !group.filter.is_empty() {
                     self.result_flags.insert(BuildResultFlags::UNSUPPORTED_FILTER_ATTR);
                 }
                 if group.mask.is_some() {

utils/convert/Cargo.toml

@@ -9,4 +9,4 @@ edition = "2018"
 [dependencies]
 pathfinder_export = { path = "../../export" }
 pathfinder_svg = { path = "../../svg" }
-usvg = "0.9"
+usvg = "0.20.0"

utils/svg-to-skia/Cargo.toml

@@ -5,4 +5,4 @@ authors = ["Patrick Walton <pcwalton@mimiga.net>"]
 edition = "2018"
 
 [dependencies]
-usvg = "0.9"
+usvg = "0.20.0"