XDrawString(3X11) XLIB FUNCTIONS XDrawString(3X11)
XDrawString, XDrawString16 - draw text characters
int XDrawString(Display *display, Drawable d, GC gc, int x,
int y, char *string, int length);
int XDrawString16(Display *display, Drawable d, GC gc, int
x, int y, XChar2b *string, int length);
d Specifies the drawable.
display Specifies the connection to the X server.
gc Specifies the GC.
length Specifies the number of characters in the string
argument.
string Specifies the character string. and define the
origin of the first character
x
y Specify the x and y coordinates, which are rela-
tive to the origin of the specified drawable.
Each character image, as defined by the font in the GC, is
treated as an additional mask for a fill operation on the
drawable. The drawable is modified only where the font char-
acter has a bit set to 1. For fonts defined with 2-byte
matrix indexing and used with XDrawString16, each byte is
used as a byte2 with a byte1 of zero.
Both functions use these GC components: function, plane-
mask, fill-style, font, subwindow-mode, clip-x-origin,
clip-y-origin, and clip-mask. They also use these GC mode-
dependent components: foreground, background, tile, stipple,
tile-stipple-x-origin, and tile-stipple-y-origin.
XDrawString and XDrawString16 can generate BadDrawable,
BadGC, and BadMatch errors.
BadDrawable
A value for a Drawable argument does not name a
defined Window or Pixmap.
BadGC A value for a GContext argument does not name a
defined GContext.
XFree86 Version 4.5.0 1
XDrawString(3X11) XLIB FUNCTIONS XDrawString(3X11)
BadMatch An InputOnly window is used as a Drawable.
BadMatch Some argument or pair of arguments has the correct
type and range but fails to match in some other
way required by the request.
XDrawImageString(3X11), XDrawText(3X11), XLoadFont(3X11)
Xlib - C Language X Interface
XFree86 Version 4.5.0 2
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