Simple Shape Drawer (OpenGL)

A simple application that draw lines, triangles, rectangle and circles. Interface: 2 division on the window; first for drawing, the other for menu. Drawing a shape: Select the drawing area with mouse drag-and-drop. Then select the shape from the menu. The shapes are not transparent, they are filled. Selecting a shape: When a shape selected by mouse click, it appears on top of other shapes. Moving a shape: When a shape selected, it can be moved with direction keys or mouse drag-and-drop. Menu: -Color options for selected shape. -Delete option for selected shape. -Zoom in/out option for drawing division. (Fixed proportion of shapes while zooming) -Undo-redo option for last event. Notes: You can use C# or Java. Must be pure OpenGL. No any other library, tool or component. Keep it simple as possible.