380     unsigned char* currEdge = edgePtr+dataWidth+1;  in generate_distance_field_from_image()  local
385             if (!*currEdge) {  in generate_distance_field_from_image()
389             ++currEdge;  in generate_distance_field_from_image()
394         --currEdge;  in generate_distance_field_from_image()
397             if (!*currEdge) {  in generate_distance_field_from_image()
401             --currEdge;  in generate_distance_field_from_image()
405         currEdge += dataWidth+1;  in generate_distance_field_from_image()
410     currEdge = edgePtr+dataWidth*(dataHeight-2) - 1;  in generate_distance_field_from_image()
415             if (!*currEdge) {  in generate_distance_field_from_image()
419             ++currEdge;  in generate_distance_field_from_image()
424         --currEdge;  in generate_distance_field_from_image()
427             if (!*currEdge) {  in generate_distance_field_from_image()
431             --currEdge;  in generate_distance_field_from_image()
435         currEdge -= dataWidth-1;  in generate_distance_field_from_image()
440     currEdge = edgePtr + dataWidth+1;  in generate_distance_field_from_image()
447             if (*currEdge) {  in generate_distance_field_from_image()
464             ++currEdge;  in generate_distance_field_from_image()
467         currEdge += 2;  in generate_distance_field_from_image()