fail and warn when spriteatlas is full

ref #1633
mapbox · Jan 6, 2016 · 09281d6 · 09281d6
1 parent 6171a2f
commit 09281d6
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diff --git a/js/symbol/bin_pack.js b/js/symbol/bin_pack.js
@@ -55,7 +55,7 @@ BinPack.prototype.allocate = function(width, height) {
 
     if (smallest < 0) {
         // There's no space left for this char.
-        return { x: -1, y: -1 };
+        return { x: -1, y: -1, w: 0, h: 0 };
     }
 
     this.free.splice(smallest, 1);

diff --git a/js/symbol/sprite_atlas.js b/js/symbol/sprite_atlas.js
@@ -119,6 +119,7 @@ SpriteAtlas.prototype.allocateImage = function(pixelWidth, pixelHeight) {
     // Add a 1px border around every image.
     var rect = this.bin.allocate(packWidth, packHeight);
     if (rect.w === 0) {
+        console.warn('SpriteAtlas out of space.');
         return rect;
     }