From 21e4029acf757898da8695474f94642f9858acd8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Konstantin=20K=C3=A4fer?= <mail@kkaefer.com>
Date: Mon, 4 Jan 2016 12:30:13 +0100
Subject: [core] use stale styles

This adds support for using cached styles that are stale. They're treated like changing styles; when the refreshed style changed compared to the one we've already had, we're swapping out the entire style, which might cause a slight flicker.
---
 test/fixtures/stale/0-0-0.vector.pbf         | Bin 0 -> 482553 bytes
 test/fixtures/stale/stale_style/expected.png | Bin 0 -> 13447 bytes
 test/fixtures/stale/streets.json             |  14 ++++++++++++++
 test/fixtures/stale/style.json               |  25 +++++++++++++++++++++++++
 4 files changed, 39 insertions(+)
 create mode 100644 test/fixtures/stale/0-0-0.vector.pbf
 create mode 100644 test/fixtures/stale/stale_style/expected.png
 create mode 100644 test/fixtures/stale/streets.json
 create mode 100644 test/fixtures/stale/style.json

(limited to 'test/fixtures')

diff --git a/test/fixtures/stale/0-0-0.vector.pbf b/test/fixtures/stale/0-0-0.vector.pbf
new file mode 100644
index 0000000000..a0f049ad43
Binary files /dev/null and b/test/fixtures/stale/0-0-0.vector.pbf differ
diff --git a/test/fixtures/stale/stale_style/expected.png b/test/fixtures/stale/stale_style/expected.png
new file mode 100644
index 0000000000..d3c6ef3cd5
Binary files /dev/null and b/test/fixtures/stale/stale_style/expected.png differ
diff --git a/test/fixtures/stale/streets.json b/test/fixtures/stale/streets.json
new file mode 100644
index 0000000000..11cb5c8557
--- /dev/null
+++ b/test/fixtures/stale/streets.json
@@ -0,0 +1,14 @@
+{
+  "bounds": [ -180, -85.0511, 180, 85.0511 ],
+  "center": [ 0, 0, 0 ],
+  "description": "",
+  "format": "pbf",
+  "id": "streets",
+  "maskLevel": 8,
+  "maxzoom": 15,
+  "minzoom": 0,
+  "name": "Streets",
+  "scheme": "xyz",
+  "tilejson": "2.0.0",
+  "tiles": [ "asset://test/fixtures/stale/{z}-{x}-{y}.vector.pbf" ]
+}
diff --git a/test/fixtures/stale/style.json b/test/fixtures/stale/style.json
new file mode 100644
index 0000000000..ca86503d4f
--- /dev/null
+++ b/test/fixtures/stale/style.json
@@ -0,0 +1,25 @@
+{
+  "version": 8,
+  "name": "Water",
+  "sources": {
+    "mapbox": {
+      "type": "vector",
+      "url": "asset://test/fixtures/stale/streets.json"
+    }
+  },
+  "layers": [{
+    "id": "background",
+    "type": "background",
+    "paint": {
+      "background-color": "red"
+    }
+  }, {
+    "id": "water",
+    "type": "fill",
+    "source": "mapbox",
+    "source-layer": "water",
+    "paint": {
+      "fill-color": "blue"
+    }
+  }]
+}
-- 
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