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############################################################################# |
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## Name: lib/Wx/DemoModules/lib/DataObjects.pm |
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## Purpose: wxPerl demo helper |
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## Author: Mattia Barbon |
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## Modified by: |
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## Created: 12/09/2001 |
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## RCS-ID: $Id: DataObjects.pm 2189 2007-08-21 18:15:31Z mbarbon $ |
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## Copyright: (c) 2001, 2006 Mattia Barbon |
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## Licence: This program is free software; you can redistribute it and/or |
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## modify it under the same terms as Perl itself |
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############################################################################# |
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use Wx::DND; |
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package Wx::DemoModules::lib::DataObjects; |
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use strict; |
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use base qw(Exporter); # for Perl 5.8.1 or earlier |
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use Wx qw(:brush :pen :bitmap); |
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our @EXPORT = qw(get_image get_perl_data_object get_bitmap_data_object |
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get_text_data_object get_text_bitmap_data_object); |
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sub get_image { |
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my $bitmap = Wx::Bitmap->new( 100, 100 ); |
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my $dc = Wx::MemoryDC->new; |
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$dc->SelectObject( $bitmap ); |
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my @brushes = ( wxWHITE_BRUSH, wxBLUE_BRUSH, wxGREEN_BRUSH, |
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wxGREY_BRUSH, wxCYAN_BRUSH ); |
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$dc->SetBrush( @brushes[rand(5)] ); |
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$dc->DrawRectangle( 0, 0, 100, 100 ); |
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$dc->SetPen( wxBLACK_PEN ); |
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$dc->SetBrush( new Wx::Brush( 'yellow', wxSOLID ) ); |
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$dc->DrawEllipse( 1, 1, 98, 98 ); |
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$dc->SetBrush( wxWHITE_BRUSH ); |
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$dc->DrawEllipse( 20, 20, 25, 25 ); |
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$dc->DrawEllipse( 100 - 45, 20, 25, 25 ); |
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$dc->SelectObject( wxNullBitmap ); |
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return $bitmap; |
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} |
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sub get_bitmap_data_object { |
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return Wx::BitmapDataObject->new( get_image() ); |
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} |
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sub get_text_data_object { |
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return Wx::TextDataObject->new( "Hello, wxPerl!" ); |
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} |
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sub get_text_bitmap_data_object { |
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my $data = Wx::DataObjectComposite->new; |
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my $text = <
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This is a yellow face. |
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EOT |
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$text =~ s/\n/\r\n/g; |
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$data->Add( Wx::TextDataObject->new( $text ) ); |
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$data->Add( Wx::BitmapDataObject->new( get_image() ), 1 ); |
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return $data; |
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} |
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sub get_perl_data_object { |
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return Wx::DemoModules::lib::DataObjects::Perl->new( @_ ); |
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} |
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package Wx::DemoModules::lib::DataObjects::Perl; |
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use strict; |
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use base qw(Wx::PlDataObjectSimple); |
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use Storable qw(freeze thaw); |
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sub new { |
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my( $class, $data ) = @_; |
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my $self = $class->SUPER::new( Wx::DataFormat->newUser( __PACKAGE__ ) ); |
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$self->{Data} = $data; |
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return $self; |
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} |
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sub SetData { |
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my( $self, $data ) = @_; |
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$self->{Data} = thaw $data ; |
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return 1; |
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} |
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sub GetDataHere { |
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my ($self) = @_; |
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return freeze $self->{Data} if ref $self->{Data}; |
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} |
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sub GetDataSize { |
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my( $self ) = @_; |
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return length freeze $self->{Data} if ref $self->{Data}; |
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} |
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sub GetPerlData { $_[0]->{Data} } |
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1; |