Fixes optional backdrop regression

This commit is contained in:
Yury Delendik 2014-06-10 15:47:25 -05:00
parent d487d4298c
commit 1ac8ca66f7

View File

@ -639,7 +639,7 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
function genericComposeSMask(maskCtx, layerCtx, width, height, function genericComposeSMask(maskCtx, layerCtx, width, height,
subtype, backdrop) { subtype, backdrop) {
var hasBackdrop = backdrop !== undefined; var hasBackdrop = !!backdrop;
var r0 = hasBackdrop ? backdrop[0] : 0; var r0 = hasBackdrop ? backdrop[0] : 0;
var g0 = hasBackdrop ? backdrop[1] : 0; var g0 = hasBackdrop ? backdrop[1] : 0;
var b0 = hasBackdrop ? backdrop[2] : 0; var b0 = hasBackdrop ? backdrop[2] : 0;