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Lines Matching refs:distance

453       png_bytep distance;
467       distance = (png_bytep)png_malloc(png_ptr, (png_uint_32)(num_entries *
470       png_memset(distance, 0xff, num_entries * png_sizeof(png_byte));
501                   if (d < (int)distance[d_index])
503                      distance[d_index] = (png_byte)d;
511       png_free(png_ptr, distance);