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- #include <stdio.h>
-
- #ifdef SGI
- #include "gl.h"
- #include "device.h"
- #else
- #include "vogl.h"
- #include "vodevice.h"
- #endif
-
- /*
- * A program showing basic line drawing, hardware text and (if applicable)
- * colour. We set the coordinate system to -1.0 to 1.0 in X and Y.
- */
- main(ac, av)
- int ac;
- char **av;
- {
- char *p, tmp[2];
- float cw, ch;
- short val;
-
- prefposition(100L, 700L, 100L, 500L);
- winopen("simple");
-
- if (ac == 2)
- font(atoi(av[1])); /* change font to the argument */
-
- color(BLACK); /* set current color */
- clear(); /* clear screen to current color */
-
- ortho2(-1.0, 1.0, -1.0, 1.0); /* set bounds for drawing */
-
- color(GREEN);
- /* 2 d move to start where we want drawstr to start */
- cmov2(-0.9, 0.9);
-
- charstr("A Simple Example"); /* draw string in current color */
-
- /*
- * the next four lines draw the x
- */
- move2(0.0, 0.0);
- draw2(0.76, 0.76);
- move2(0.0, 0.76);
- draw2(0.76, 0.0);
-
- cmov2(0.0, 0.5);
- charstr("x done");
- charstr("next sentence");
-
- cmov(0.0, 0.1, -1.0);
- /*
- * One character at a time...
- */
- tmp[1] = '\0';
- for (p = "hello world"; *p != NULL; p++) {
- tmp[0] = *p;
- charstr(tmp);
- }
-
- /*
- * the next five lines draw the square
- */
- move2(0.,0.);
- draw2(.76,0.);
- draw2(.76,.76);
- draw2(0.,.76);
- draw2(0.,0.);
-
- qdevice(KEYBD); /* enable the keyboard */
- unqdevice(INPUTCHANGE);
-
- qread(&val); /* wait for some input */
-
- gexit(); /* set the screen back to its original state */
- }
-