mojave man page for gl_printf

Query: gl_printf

OS: mojave

Section: 3

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

gl_printf(3)							Svgalib User Manual						      gl_printf(3)

NAME
gl_printf - write formatted output in graphic mode
SYNOPSIS
#include <vgagl.h> int gl_printf(int x, int y, const char *fmt, ...);
DESCRIPTION
gl_printf writes, like printf(3) a formatted string to position (x, y) using the currently selected font. If one or both of x and y is neg- ative, the text printing continues at the last position. The special characters , , , a, and v have the usual effects. Printing wraps at the screen borders. Nevertheless, behaviour is undefined if not a single characters fits on the screen or if the initial position is outside the screen. The kind of text draw operation is set with gl_setwritemode(3). BEWARE! Prior to the of use of gl_printf(3) you must set a font. A good default initialization sequence is: gl_setfont(8, 8, gl_font8x8); gl_setwritemode(FONT_COMPRESSED + WRITEMODE_OVERWRITE); gl_setfontcolors(0, vga_white());
RETURN VALUE
The number of characters printed.
BUGS
For compatibility reasons this function is not contained in a.out libraries.
SEE ALSO
printf(3), svgalib(7), vgagl(7), gl_colorfont(3), gl_expandfont(3), gl_font8x8(3), gl_setfont(3), gl_setfontcolors(3), gl_setwritemode(3), gl_write(3), gl_writechar(3), printftest(6).
AUTHOR
This function and manual page was written by Trek <trek00@freenet.hut.fi> <trek@mediaservice.net>. Svgalib 1.3.0 22 Feb 1997 gl_printf(3)
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