if (composite_image->matte != MagickTrue)
(void) SetImageAlpha(composite_image,OpaqueAlpha,
&exception);
- composite_view=AcquireCacheView(composite_image);
+ composite_view=AcquireAuthenticCacheView(composite_image,
+ &exception);
for (y=0; y < (ssize_t) composite_image->rows ; y++)
{
q=GetCacheViewAuthenticPixels(composite_view,0,y,