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.\" ========================================================================
.\"
.IX Title ".::SWF::Filter 3pm"
.TH .::SWF::Filter 3pm "2011-10-26" "perl v5.14.2" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.SH "NAME"
SWF::Filter \- SWF filter class
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 9
\&        use SWF::Blur;
\&        use SWF::Shadow;
\&        use SWF::Constants qw(:Filter);
\&        @color= (12,45,99); 
\&        $blur = new SWF::Blur(15, 15, 2);
\&        $shadow = new SWF::Shadow(2.5, 12, 2);
\&        $filter = SWF::Filter::newDropShadowFilter( \e@color, 
\&                  $blur, $shadow, SWF_FILTER_MODE_KO);
\&        $displayitem\->addFilter( $filter);
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
Filter objects are available since player version 8. They can be applied to buttons, movieclips and text instances
by the \fIaddFilter()\fR method of SWF::DisplayItem objects. Several types of filters exist. Each of them
has its own method of construction, see below.
.SH "METHODS"
.IX Header "METHODS"
.ie n .IP "newDropShadowFilter($colorref, $blur, $shadow, $flags)" 4
.el .IP "newDropShadowFilter($colorref, \f(CW$blur\fR, \f(CW$shadow\fR, \f(CW$flags\fR)" 4
.IX Item "newDropShadowFilter($colorref, $blur, $shadow, $flags)"
Creates a DropShadowFilter object. The object is controlled by color, blur object,
shadow object and flags (\s-1SWF_FILTER_MODE_INNER\s0, \s-1SWF_FILTER_MODE_KO\s0).
.IP "newBlurFilter($blur)" 4
.IX Item "newBlurFilter($blur)"
Creates a BlurFilter object. The object is controlled by the blur object.
.ie n .IP "newGlowFilter($colorref, $blur, $strength, $flags)" 4
.el .IP "newGlowFilter($colorref, \f(CW$blur\fR, \f(CW$strength\fR, \f(CW$flags\fR)" 4
.IX Item "newGlowFilter($colorref, $blur, $strength, $flags)"
Creates a GlowFilter object, a simple variant of DropShadowFilter.
Use \s-1SWF_FILTER_MODE_INNER\s0, \s-1SWF_FILTER_MODE_KO\s0 as flag values.
.ie n .IP "newBevelFilter($shadow_colorref, $highlight_colorref, $blur, $shadow, $flags)" 4
.el .IP "newBevelFilter($shadow_colorref, \f(CW$highlight_colorref\fR, \f(CW$blur\fR, \f(CW$shadow\fR, \f(CW$flags\fR)" 4
.IX Item "newBevelFilter($shadow_colorref, $highlight_colorref, $blur, $shadow, $flags)"
Just another (complex) variant of DropShadowFilter.
Use \s-1SWF_FILTER_MODE_INNER\s0, \s-1SWF_FILTER_MODE_KO\s0 or
\&\s-1FILTER_MODE_ONTOP\s0 as flag values.
.ie n .IP "newGradientGlowFilter($gradient, $blur, $shadow, $flags)" 4
.el .IP "newGradientGlowFilter($gradient, \f(CW$blur\fR, \f(CW$shadow\fR, \f(CW$flags\fR)" 4
.IX Item "newGradientGlowFilter($gradient, $blur, $shadow, $flags)"
Just another (more complex) variant of DropShadowFilter.
As flag use \s-1SWF_FILTER_MODE_INNER\s0, \s-1SWF_FILTER_MODE_KO\s0
or \s-1SWF_FILTER_MODE_ONTOP\s0 .
.ie n .IP "newGradientBevelFilter($gradient, $blur, $shadow, $flags)" 4
.el .IP "newGradientBevelFilter($gradient, \f(CW$blur\fR, \f(CW$shadow\fR, \f(CW$flags\fR)" 4
.IX Item "newGradientBevelFilter($gradient, $blur, $shadow, $flags)"
Just another (slightly more complex) variant of DropShadowFilter, 
extending \fInewBevelFilter()\fR by using a gradient instead of simple colors.
Use \s-1SWF_FILTER_MODE_INNER\s0, \s-1SWF_FILTER_MODE_KO\s0 or \s-1FILTER_MODE_ONTOP\s0 
as flag values.
.IP "newColorMatrixFilter($filtermatrix)" 4
.IX Item "newColorMatrixFilter($filtermatrix)"
The filtermatrix is an object of SWF::FilterMatrix class sized 5 columns x 4 rows 
for \s-1RGBA\s0 values, useful for transformations like color conversion to
greyscale pictures.
.ie n .IP "newConvolutionFilter($filtermatrix, $divisor, $bias, $colorref, $flags)" 4
.el .IP "newConvolutionFilter($filtermatrix, \f(CW$divisor\fR, \f(CW$bias\fR, \f(CW$colorref\fR, \f(CW$flags\fR)" 4
.IX Item "newConvolutionFilter($filtermatrix, $divisor, $bias, $colorref, $flags)"
Another filter for nice picture effects like blur etc. 
The filtermatrix is an object of SWF::FilterMatrix class. 
As flag use either use \s-1SWF_FILTER_FLAG_CLAMP\s0 or \s-1SWF_FILTER_FLAG_PRESERVE_ALPHA\s0.
.SH "AUTHOR"
.IX Header "AUTHOR"
.Vb 2
\&        developers of 
\&        ming.sourceforge.net
.Ve
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\s-1SWF\s0, SWF::Filter, SWF::Blur, SWF::Shadow, SWG::Gradient, SWF::FilterMatrix, SWF::DisplayItem, SWF::Constants, SWF::MovieClip, SWF::Button