DOKK / manpages / debian 11 / allegro4-doc / vline.3alleg4.en
vline(3alleg4) Allegro manual vline(3alleg4)

vline - Draws a vertical line onto the bitmap. Allegro game programming library.

#include <allegro.h>

void vline(BITMAP *bmp, int x, int y1, int y2, int color);

Draws a vertical line onto the bitmap, from point (x, y1) to (x, y2).

Note: vline() is implemented as an alias to another function. See ALLEGRO_NO_VHLINE_ALIAS in the `Differences between platforms' section for details.

hline(3alleg4), line(3alleg4), drawing_mode(3alleg4), makecol(3alleg4), exrgbhsv(3alleg4), exscroll(3alleg4), extruec(3alleg4)

version 4.4.3 Allegro