From: Simon Tatham <anakin@pobox.com>
Date: Sun, 31 Mar 2013 09:58:47 +0000 (+0000)
Subject: Fix a crash when changing presets in Inertia. Turns out that my
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ian/git?a=commitdiff_plain;h=2d2afe9ad4907bd8d802aac68fbf851a64f0c49b;p=sgt-puzzles.git

Fix a crash when changing presets in Inertia. Turns out that my
Javascript-side blitter creation function had forgotten to return the
new blitter's id, so the C code was still trying to use blitter #0
after it had been thrown away and replaced.

[originally from svn r9790]
---

diff --git a/emcclib.js b/emcclib.js
index 8fb9dd8..6991c51 100644
--- a/emcclib.js
+++ b/emcclib.js
@@ -463,6 +463,7 @@ mergeInto(LibraryManager.library, {
         blitters[id] = document.createElement("canvas");
         blitters[id].width = w;
         blitters[id].height = h;
+        return id;
     },
 
     /*