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-# Copyright (c) 1994 The Regents of the University of California.
-# Copyright (c) 1994-1996 Sun Microsystems, Inc.
-# See the file "license.terms" for information on usage and redistribution
-# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-#
-#
-
-=head1 NAME
-
-Tk::Bitmap - Images that display two colors
-
-=for category Tk Image Classes
-
-=head1 SYNOPSIS
-
-S< >I<$image> = I<$widget>-E<gt>B<Bitmap>?(I<name>??,I<options>?)
-
-=head1 DESCRIPTION
-
-A bitmap is an image whose pixels can display either of two colors
-or be transparent.
-A bitmap image is defined by four things: a background color,
-a foreground color, and two bitmaps, called the I<source>
-and the I<mask>.
-Each of the bitmaps specifies 0/1 values for a rectangular
-array of pixels, and the two bitmaps must have the same
-dimensions.
-For pixels where the mask is zero, the image displays nothing,
-producing a transparent effect.
-For other pixels, the image displays the foreground color if
-the source data is one and the background color if the source
-data is zero.
-
-=head1 CREATING BITMAPS
-
-Bitmaps are created using I<$widget>-E<gt>B<Bitmap>.
-Bitmaps support the following I<options>:
-
-=over 4
-
-=item B<-background> =E<gt> I<color>
-
-Specifies a background color for the image in any of the standard
-ways accepted by Tk. If this option is set to an empty string
-then the background pixels will be transparent. This effect
-is achieved by using the source bitmap as the mask bitmap, ignoring
-any B<-maskdata> or B<-maskfile> options.
-
-=item B<-data> =E<gt> I<string>
-
-Specifies the contents of the source bitmap as a string.
-The string must adhere to X11 bitmap format (e.g., as generated
-by the B<bitmap> program).
-If both the B<-data> and B<-file> options are specified,
-the B<-data> option takes precedence.
-
-=item B<-file> =E<gt> I<name>
-
-I<name> gives the name of a file whose contents define the
-source bitmap.
-The file must adhere to X11 bitmap format (e.g., as generated
-by the B<bitmap> program).
-
-=item B<-foreground> =E<gt> I<color>
-
-Specifies a foreground color for the image in any of the standard
-ways accepted by Tk.
-
-=item B<-maskdata> =E<gt> I<string>
-
-Specifies the contents of the mask as a string.
-The string must adhere to X11 bitmap format (e.g., as generated
-by the B<bitmap> program).
-If both the B<-maskdata> and B<-maskfile> options are specified,
-the B<-maskdata> option takes precedence.
-
-=item B<-maskfile> =E<gt> I<name>
-
-I<name> gives the name of a file whose contents define the
-mask.
-The file must adhere to X11 bitmap format (e.g., as generated
-by the B<bitmap> program).
-
-=back
-
-=head1 IMAGE METHODS
-
-When a bitmap image is created, Tk also creates a new object.
-This object supports the B<configure> and B<cget> methods
-described in L<Tk::options> which can be used to enquire and
-modify the options described above.
-
-=head1 SEE ALSO
-
-L<Tk::Image|Tk::Image>
-L<Tk::Pixmap|Tk::Pixmap>
-L<Tk::Photo|Tk::Photo>
-
-=head1 KEYWORDS
-
-bitmap, image
-
-=cut