48 lines
1.1 KiB
Groff
48 lines
1.1 KiB
Groff
.TH IM_INIT_WORLD 3 "11 April 1990"
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.SH NAME
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im_init_world, im_get_option_group \- start up VIPS
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.SH SYNOPSIS
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#include <vips/vips.h>
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int im_init_world( const char *argv0 )
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.br
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GOptionGroup *im_get_option_group( void );
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.SH DESCRIPTION
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.B im_init_world(3)
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starts up the VIPS library. It:
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- initialises any libraries that VIPS is using, including GObject
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- starts up the threading system
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- guesses where the VIPS data files are and sets up i18n
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- loads any plugins from libdir/vips-x.x
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The
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.B argv0
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argument is the value of
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.B argv[0]
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your program was passed by the host operating system. VIPS uses this with
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.B im_guess_prefix(3)
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to try to find the various VIPS data files.
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.SH EXAMPLE
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int
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main( int argc, char **argv )
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{
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if( im_init_world( argv[0] ) )
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error_exit( "unable to start VIPS" );
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return( 0 );
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}
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.B im_get_option_group(3)
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returns a
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.B GOptionGroup
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containing various VIPS command-line options. It can be used with GOption to
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help parse argc/argv.
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.SH SEE ALSO
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im_guess_prefix(3), im_guess_libdir(3), GOption(3)
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.SH COPYRIGHT
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Birkbeck College and the National Gallery (c) 1994
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