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fblabel - display a text string on a framebuffer

fblabel [-dca] [-F framebuffer] [-f fontname] [-{sS} squaresize] [-{wW} width] [-{nN} height] [-C r/g/b] x_position y_position text_string

fblabel writes a text string to the image on the currently selected framebuffer. The text string will be filtered to the image currently displayed. Use fbpoint(1) to determine where to position the text string. The lower left corner of the text string starts displaying at the x and y position given. The environment variable FB_FILE specifies the current framebuffer; see brlcad(1). Alternatively, the framebuffer may be explicitly specified by using the -F flag.

By default, the requested framebuffer size is assumed to be 512x512 pixels.

The -d flag is for debugging.

The -c flag causes the screen to be cleared before the text string is displayed. The default behavior is to label the current image without clearing the screen.

The -a flag causes the text not to be filtered against the frame buffer image.

The -C r/g/b option specifies red, green, and blue (r/g/b) values [0..255] for the text. The default color is white.

The -f fontname option will change the current default font from nonie.r.12 to "/usr/lib/vfont/fontname".

The -S (or -s) flag sets the width and the height to the same value; the -W (or -w) and -N (or -n) flags are used for setting them individually.

fblabel expects the Berkeley fonts in the directory /usr/lib/vfont. The fonts are expected to be in Vax byte order, even if that is not the natural byte order of the machine, to avoid having to create a font converter.

fblabel -f "oldenglish.14" `fbpoint -H` "Hello"

brlcad(1), fbed(1), fbpoint(1), libfb(3), pix(5)


This software is Copyright (c) 1989-2019 by the United States Government as represented by U.S. Army Research Laboratory.

Reports of bugs or problems should be submitted via electronic mail to
06/07/2022 BRL-CAD

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