948     *bgnd_image,  in OptimizeLayerFrames()  local
1051   bgnd_image=(Image *) NULL;  in OptimizeLayerFrames()
1154         bgnd_image=CloneImage(curr->previous,0,0,MagickTrue,exception);  in OptimizeLayerFrames()
1155         if (bgnd_image == (Image *) NULL)  in OptimizeLayerFrames()
1164         bgnd_image->background_color.alpha_trait=BlendPixelTrait;  in OptimizeLayerFrames()
1166         ClearBounds(bgnd_image,&bgnd_bounds,exception);  in OptimizeLayerFrames()
1167         try_bounds=CompareImagesBounds(bgnd_image,curr,CompareAnyLayer,exception);  in OptimizeLayerFrames()
1168         try_cleared=IsBoundsCleared(bgnd_image,curr,&try_bounds,exception);  in OptimizeLayerFrames()
1229             ClearBounds(bgnd_image,&bgnd_bounds,exception);  in OptimizeLayerFrames()
1238             try_bounds=CompareImagesBounds(bgnd_image,curr,CompareClearLayer,exception);  in OptimizeLayerFrames()
1242             try_bounds=CompareImagesBounds(bgnd_image,curr,CompareAnyLayer,exception);  in OptimizeLayerFrames()
1243             try_cleared=IsBoundsCleared(bgnd_image,curr,&try_bounds,exception);  in OptimizeLayerFrames()
1249             try_bounds=CompareImagesBounds(bgnd_image,curr,CompareOverlayLayer,exception);  in OptimizeLayerFrames()
1251             try_cleared=IsBoundsCleared(bgnd_image,curr,&try_bounds,exception);  in OptimizeLayerFrames()
1288          if (bgnd_image != (Image *) NULL)  in OptimizeLayerFrames()
1289            bgnd_image=DestroyImage(bgnd_image);  in OptimizeLayerFrames()
1305           prev_image=bgnd_image, bgnd_image=(Image *) NULL;  in OptimizeLayerFrames()
1306         if (bgnd_image != (Image *) NULL)  in OptimizeLayerFrames()
1307           bgnd_image=DestroyImage(bgnd_image);  in OptimizeLayerFrames()
1366     bgnd_image=CropImage(prev_image,&bounds[i],sans_exception);  in OptimizeLayerFrames()
1368     if (bgnd_image == (Image *) NULL)  in OptimizeLayerFrames()
1370     bgnd_image->dispose=disposals[i];  in OptimizeLayerFrames()
1372       bgnd_image->delay=0;  in OptimizeLayerFrames()
1373       bgnd_image->dispose=NoneDispose;  in OptimizeLayerFrames()
1377     AppendImageToList(&optimized_image,bgnd_image);  in OptimizeLayerFrames()