Implement a venn diagram using objective C.
Add MSSet.h, MSSet.m, MSVennDiagram.h, MSVennDiagram.m files to your project.
Initiate an object of MSVennDiagram class, and add the view where you want to display the diagram.
MSVennDiagram *vennDiagram = [[MSVennDiagram alloc] init];
[self.vennDiagram vennDiagramForSetA:100 setB:100 setAintersectB:50];
[yourView addSubview:self.vennDiagram];