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author | mertz | 2003-06-18 14:05:20 +0000 |
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committer | mertz | 2003-06-18 14:05:20 +0000 |
commit | 5ae790348e37d2e01dc72cd5ebe937b7df0b7688 (patch) | |
tree | 217c2f5a700e9387cd2b95e0e39059442afc8f54 /Perl/demos/Tk | |
parent | c30424db45ba7bc0ff4a3bccbaae0ae0b02d289f (diff) | |
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adding some conical and path gradients in the demos
Diffstat (limited to 'Perl/demos/Tk')
-rw-r--r-- | Perl/demos/Tk/demos/zinc_lib/color-path-and-conic.pl | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/Perl/demos/Tk/demos/zinc_lib/color-path-and-conic.pl b/Perl/demos/Tk/demos/zinc_lib/color-path-and-conic.pl new file mode 100644 index 0000000..2755358 --- /dev/null +++ b/Perl/demos/Tk/demos/zinc_lib/color-path-and-conic.pl @@ -0,0 +1,69 @@ +#!/usr/bin/perl +# $Id$ +# these simple samples have been developped by C. Mertz mertz@cena.fr + +use Tk; +use Tk::Zinc; +use strict; + +my $defaultfont = '-adobe-helvetica-bold-r-normal-*-120-*-*-*-*-*-*'; +my $mw = MainWindow->new(); +my $zinc = $mw->Zinc(-width => 700, -height => 600, + -borderwidth => 3, -relief => 'sunken', + -render => 1, # for activating the openGL render + )->pack; + +die "no openGL rendering on this X server" unless $zinc->cget(-render); + + +$zinc->add('rectangle', 1, [10, 10, 80, 80], -fillcolor => "=path 0 0 |red |blue", -filled => 1); + +$zinc->add('text', 1, + -font => $defaultfont, + -text => "Path variation from non-transparent red to non-transparent blue\nin a squarre. The gradient start at the middle of the bbox.", + -anchor => 'nw', + -position => [120, 20]); + +$zinc->add('arc', 1, [10, 110, 90, 190], -fillcolor => "=conical 135 |black;40|white;40", -filled => 1); + +$zinc->add('text', 1, + -font => $defaultfont, + -text => "Conical variation from 40%transparent black to 40% transparent white\nin a disc, center in the middle of the bbox", + -anchor => 'nw', + -position => [120, 120]); + + +$zinc->add('arc', 1, [10, 210, 90, 290], -fillcolor => "=path -30 +30 |red;40|green;40 50|blue;40", -filled => 1); + +$zinc->add('text', 1, + -font => $defaultfont, + -text => "A path variation from 40%transparent red to 40% transparent blue.\n". + "through a 40%green on the middle of the disc. The gradient center\nis toward the SW of the bbox.", + -anchor => 'nw', + -position => [120, 220]); + + + +$zinc->add('text', 1, + -font => $defaultfont, + -text => "overlaping path and conical, transparently colored items on a white background", + -anchor => 'nw', + -position => [20, 320]); + +$zinc->add('rectangle', 1, [10, 340, 690, 590], -fillcolor => "white", -filled => 1); + +$zinc->add('rectangle', 1, [20, 365, 220, 565], -fillcolor => "=path -40 -40 |red;40|green;40 50|blue;40", -filled => 1); + +$zinc->add('arc', 1, [150, 365, 350, 565], -fillcolor => "=conical 20 -30 45 |yellow;40|black;40 50|cyan;40", -filled => 1); + +$zinc->add('arc', 1, [320, 365, 480, 565], -fillcolor => "=path 0 0 |black;100|black;100 20|white;40", -filled => 1, -linewidth => 0); + +#$zinc->add('arc', 1, [480, 365, 580, 500], -fillcolor => "=radial -10 16 |black;100|white;40", -filled => 1); + +$zinc->add('arc', 1, [580, 410, 680, 580], -fillcolor => "=conical -40 -40 135 |black;70|white;20", -filled => 1); +#$zinc->add('arc', 1, [580, 410, 680, 580], -fillcolor => "=radial 40 40 |black;70|white;20", -filled => 1); + + + +MainLoop; + |