Changes

This function creates triangles on the screen and allows the user to make them clump up by clicking the mouse buttons.

'''g++ -o CImg_demo CImg_demo.cpp -O2 -g -pg -I.. -Wall -W -ansi -pedantic -Dcimg_use_vt100 -I/usr/X11R6/include -lm -L/usr/X11R6/lib -lpthread -lX11'''

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// Item : Filled Triangles