Bug in alpha channel conversion

This is groundwork required by the issue: https://github.com/LLK/scratch-vm/issues/393
2017-01-27 12:26:11 +00:00
parent 9841de85f1
commit 6f5acfee7b
1 changed files with 1 additions and 1 deletions
--- a/src/PenSkin.js
+++ b/src/PenSkin.js
@@ -181,7 +181,7 @@ class PenSkin extends Skin {
        const r = Math.round(color4f[0] * 255);
        const g = Math.round(color4f[1] * 255);
        const b = Math.round(color4f[2] * 255);
-        const a = Math.round(color4f[3] * 255);
+        const a = Math.round(color4f[3]);   // Alpha is 0 to 1 (not 0 to 255 like r,g,b)

        context.strokeStyle = `rgba(${r},${g},${b},${a})`;
        context.lineCap = 'round';