Programming and Graphics

204 Introduction to C++ Programming and Graphics

#include "VOGLE/voglec++.h"

using namespace std;

int main()

{

prefposition (600,200); // window position

prefsize (300, 300); // window size

vinit("X11"); // initialize on the screen

color (YELLOW); // background color

clear(); // clear the screen

ortho2 (0.0,2.0, 0.0,6.0); // world coordinates for x and y

color(RED); // print the word

move2(0.1, 3.0);

font("/tmp/hfonts/greek");

textsize(0.3,0.9);

drawstr("Elaiolado");

move2(0.1,3.0); // underline the word

draw2(1.6,3.0);

//--- Press key to finish:

getkey();

vexit();

return 0;

}

In this code, the “move to”(move2) and “draw to” (draw2)Voglefunctions
have been used to move the pen lifted or pressed down. The generated graphics
window is shown in Figure 7.2.2(a).

Shapes

The following code contained in the fileshapes.cc, adapted from an exam-
ple given in theVogledistribution, illustrates the use of furtherVogledraw-
ing functions:

/*--------------------------------------------

DRAW A VARIETY OF SHAPES USING VOGLE FUNCTIONS

---------------------------------------------*/

#include "VOGLE/voglec++.h"

using namespace std;