157 static MagickBooleanType TraceEdges(Image *edge_image,CacheView *edge_view,  in TraceEdges()  argument
174   q=GetCacheViewAuthenticPixels(edge_view,x,y,1,1,exception);  in TraceEdges()
178   status=SyncCacheViewAuthenticPixels(edge_view,exception);  in TraceEdges()
210         q=GetCacheViewAuthenticPixels(edge_view,edge.x+u,edge.y+v,1,1,  in TraceEdges()
221             status=SyncCacheViewAuthenticPixels(edge_view,exception);  in TraceEdges()
244     *edge_view;  in CannyEdgeImage()  local
311   edge_view=AcquireVirtualCacheView(edge_image,exception);  in CannyEdgeImage()
326     p=GetCacheViewVirtualPixels(edge_view,0,y,edge_image->columns+1,2,  in CannyEdgeImage()
414   edge_view=DestroyCacheView(edge_view);  in CannyEdgeImage()
423   edge_view=AcquireAuthenticCacheView(edge_image,exception);  in CannyEdgeImage()
438     q=GetCacheViewAuthenticPixels(edge_view,0,y,edge_image->columns,1,  in CannyEdgeImage()
510     if (SyncCacheViewAuthenticPixels(edge_view,exception) == MagickFalse)  in CannyEdgeImage()
513   edge_view=DestroyCacheView(edge_view);  in CannyEdgeImage()
522   edge_view=AcquireAuthenticCacheView(edge_image,exception);  in CannyEdgeImage()
541       p=GetCacheViewVirtualPixels(edge_view,x,y,1,1,exception);  in CannyEdgeImage()
549         status=TraceEdges(edge_image,edge_view,canny_cache,x,y,lower_threshold,  in CannyEdgeImage()
566   edge_view=DestroyCacheView(edge_view);  in CannyEdgeImage()