148     *edge_image;  in GetEdgeBackgroundFactor()  local
203   edge_image=CropImage(image,&edge_geometry,exception);  in GetEdgeBackgroundFactor()
204   if (edge_image == (Image *) NULL)  in GetEdgeBackgroundFactor()
207   edge_view=AcquireVirtualCacheView(edge_image,exception);  in GetEdgeBackgroundFactor()
208   for (y=0; y < (ssize_t) edge_image->rows; y++)  in GetEdgeBackgroundFactor()
213     p=GetCacheViewVirtualPixels(edge_view,0,y,edge_image->columns,1,exception);  in GetEdgeBackgroundFactor()
216     for (x=0; x < (ssize_t) edge_image->columns; x++)  in GetEdgeBackgroundFactor()
218       GetPixelInfoPixel(edge_image,p,&pixel);  in GetEdgeBackgroundFactor()
221       p+=GetPixelChannels(edge_image);  in GetEdgeBackgroundFactor()
224   factor/=((double) edge_image->columns*edge_image->rows);  in GetEdgeBackgroundFactor()
226   edge_image=DestroyImage(edge_image);  in GetEdgeBackgroundFactor()
258     *edge_image;  in GetImageBoundingBox()  local
271   edge_image=CloneImage(image,0,0,MagickTrue,exception);  in GetImageBoundingBox()
272   if (edge_image == (Image *) NULL)  in GetImageBoundingBox()
274   (void) ParseAbsoluteGeometry("0x0+0+0",&edge_image->page);  in GetImageBoundingBox()
276   edge_view=AcquireVirtualCacheView(edge_image,exception);  in GetImageBoundingBox()
277   edge.left=GetEdgeBackgroundFactor(edge_image,edge_view,WestGravity,  in GetImageBoundingBox()
279   edge.right=GetEdgeBackgroundFactor(edge_image,edge_view,EastGravity,  in GetImageBoundingBox()
281   edge.top=GetEdgeBackgroundFactor(edge_image,edge_view,NorthGravity,  in GetImageBoundingBox()
283   edge.bottom=GetEdgeBackgroundFactor(edge_image,edge_view,SouthGravity,  in GetImageBoundingBox()
286   artifact=GetImageArtifact(edge_image,"trim:percent-background");  in GetImageBoundingBox()
304         edge.left=GetEdgeBackgroundFactor(edge_image,edge_view,  in GetImageBoundingBox()
307         edge.top=GetEdgeBackgroundFactor(edge_image,edge_view,  in GetImageBoundingBox()
310         edge.bottom=GetEdgeBackgroundFactor(edge_image,edge_view,  in GetImageBoundingBox()
322         edge.right=GetEdgeBackgroundFactor(edge_image,edge_view,  in GetImageBoundingBox()
325         edge.top=GetEdgeBackgroundFactor(edge_image,edge_view,  in GetImageBoundingBox()
328         edge.bottom=GetEdgeBackgroundFactor(edge_image,edge_view,  in GetImageBoundingBox()
340         edge.left=GetEdgeBackgroundFactor(edge_image,edge_view,  in GetImageBoundingBox()
343         edge.right=GetEdgeBackgroundFactor(edge_image,edge_view,  in GetImageBoundingBox()
346         edge.top=GetEdgeBackgroundFactor(edge_image,edge_view,  in GetImageBoundingBox()
358         edge.left=GetEdgeBackgroundFactor(edge_image,edge_view,  in GetImageBoundingBox()
361         edge.right=GetEdgeBackgroundFactor(edge_image,edge_view,  in GetImageBoundingBox()
364         edge.bottom=GetEdgeBackgroundFactor(edge_image,edge_view,  in GetImageBoundingBox()
371   edge_image=DestroyImage(edge_image);  in GetImageBoundingBox()