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Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" Prima::PS::Drawable \- PostScript interface to Prima::Drawable .SH "SYNOPSIS" .IX Header "SYNOPSIS" .Vb 2 \& use Prima; \& use Prima::PS::Drawable; \& \& my $x = Prima::PS::Drawable\-> create( onSpool => sub { \& open F, ">> ./test.ps"; \& print F $_[1]; \& close F; \& }); \& die "error:$@" unless $x\-> begin_doc; \& $x\-> font\-> size( 30); \& $x\-> text_out( "hello!", 100, 100); \& $x\-> end_doc; .Ve .SH "DESCRIPTION" .IX Header "DESCRIPTION" Realizes the Prima library interface to PostScript level 2 document language. The module is designed to be compliant with Prima::Drawable interface. All properties' behavior is as same as Prima::Drawable's, except those described below. .SS "Inherited properties" .IX Subsection "Inherited properties" .IP "::resolution" 4 .IX Item "::resolution" Can be set while object is in normal stage \- cannot be changed if document is opened. Applies to fillPattern realization and general pixel-to-point and vice versa calculations .IP "::region" 4 .IX Item "::region" \&\- ::region is not realized ( yet?) .SS "Specific properties" .IX Subsection "Specific properties" .IP "::copies" 4 .IX Item "::copies" amount of copies that \s-1PS\s0 interpreter should print .IP "::grayscale" 4 .IX Item "::grayscale" could be 0 or 1 .IP "::pageSize" 4 .IX Item "::pageSize" physical page dimension, in points .IP "::pageMargins" 4 .IX Item "::pageMargins" non-printable page area, an array of 4 integers: left, bottom, right and top margins in points. .IP "::reversed" 4 .IX Item "::reversed" if 1, a 90 degrees rotated document layout is assumed .IP "::rotate and ::scale" 4 .IX Item "::rotate and ::scale" along with Prima::Drawable::translate provide PS-specific transformation matrix manipulations. ::rotate is number, measured in degrees, counter-clockwise. ::scale is array of two numbers, respectively x\- and y\-scale. 1 is 100%, 2 is 200% etc. .IP "::useDeviceFonts" 4 .IX Item "::useDeviceFonts" 1 by default; optimizes greatly text operations, but takes the risk that a character could be drawn incorrectly or not drawn at all \- this behavior depends on a particular \s-1PS\s0 interpreter. .IP "::useDeviceFontsOnly" 4 .IX Item "::useDeviceFontsOnly" If 1, the system fonts, available from Prima::Application interfaces can not be used. It is designed for developers and the outside-of-Prima applications that wish to use \s-1PS\s0 generation module without graphics. If 1, \f(CW\*(C`::useDeviceFonts\*(C'\fR is set to 1 automatically. .Sp Default value is 0 .SS "Internal methods" .IX Subsection "Internal methods" .IP "emit" 4 .IX Item "emit" Can be called for direct PostScript code injection. Example: .Sp .Vb 2 \& $x\-> emit(\*(Aq0.314159 setgray\*(Aq); \& $x\-> bar( 10, 10, 20, 20); .Ve .IP "pixel2point and point2pixel" 4 .IX Item "pixel2point and point2pixel" Helpers for translation from pixel to points and vice versa. .IP "fill & stroke" 4 .IX Item "fill & stroke" Wrappers for \s-1PS\s0 outline that is expected to be filled or stroked. Apply colors, line and fill styles if necessary. .IP "spool" 4 .IX Item "spool" Prima::PS::Drawable is not responsible for output of generated document, it just calls ::spool when document is closed through ::end_doc. By default just skips data. Prima::PS::Printer handles spooling logic. .IP "fonts" 4 .IX Item "fonts" Returns Prima::Application::font plus those that defined into Prima::PS::Fonts module.