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perl wxImagePanelDemo.pl
perl wxImagePanelDemo.pl foo.gif
#!/usr/bin/perl -- ## http://wiki.wxwidgets.org/An_image_panel use strict; use warnings; Main( @ARGV ); exit( 0 ); sub Main { Wx::InitAllImageHandlers(); my( $file ) = @_; $file ||= Wx::Image->new( Wx::GetWxPerlIcon() )->Scale(240,240); my $frame = Wx::Frame->new( undef, -1, "Hello wxDC", [ 50, 50 ], [ 500, 500 ], ); my $filepane = wIP->new( $frame, $file ); my $iconpane = wIP->new( $frame, Wx::Image->new( Wx::GetWxPerlIcon +() ) ); my $sizer = Wx::BoxSizer->new( Wx::wxVERTICAL() ); my $icon_sizer = Wx::BoxSizer->new( Wx::wxHORIZONTAL() ); for( 1..3){ $icon_sizer->AddSpacer( 30 * $_ ); $icon_sizer->Add( Wx::Button->new( $iconpane, -1, "yo $_" ) ); } $iconpane->SetSizer( $icon_sizer ); $sizer->Add( $filepane, 1, Wx::wxEXPAND() ); $sizer->Add( $iconpane, 1, Wx::wxEXPAND() ); my $pthree = wIP->new( $frame, Wx::Image->new( Wx::GetWxPerlIcon() + ) ); my $pthree_sizer = Wx::BoxSizer->new( Wx::wxHORIZONTAL() ); $pthree_sizer->Add( wIP->new( $pthree, Wx::Image->new( Wx::GetWxPerlIcon() ) )->noscale, ); my $pfunk = wIP->new( $pthree, Wx::Image->new( Wx::GetWxPerlIcon() + ) ); $pthree_sizer->Add( $pfunk, 1, Wx::wxEXPAND(), ); $pthree_sizer->Add( wIP->new( $pthree, Wx::Image->new( Wx::GetWxPerlIcon() ) )->noscale, ); $pthree->SetSizer( $pthree_sizer ); $pthree_sizer->Layout; $pthree_sizer->Show(2); $pthree_sizer->Show(3); $pthree_sizer->Show(4); $sizer->Add( $pthree, 0, Wx::wxEXPAND() ); $frame->SetSizer( $sizer ); $frame->Show(); my $app = Wx::SimpleApp->new; $app->MainLoop; eval { wIP->new(undef,bless[],'purple::hedgehog') ; 1 } or warn $@ +; wIP->new(); ## purple hedgehog } ## end sub Main package wIP; use Wx; use Carp qw/ croak /; use base qw/ Wx::Panel /; sub new { my( $class, $parent, $fileOrImage ) = @_; my $self = $class->SUPER::new( $parent, -1 ); if( ref $fileOrImage ) { $fileOrImage->isa( 'Wx::Image' ) or croak "$fileOrImage not isa Wx::Image"; $self->{image} = $fileOrImage; } elsif( defined $fileOrImage and length $fileOrImage ) { $self->{file} = $fileOrImage; $self->{image} = Wx::Image->new; $self->{image}->LoadFile( $fileOrImage, Wx::wxBITMAP_TYPE_ANY( +), -1 ); } else { croak 'Usage: wIP::new( CLASS, $parent, $filenameOrImage ); '; } $self->{bitmap} = Wx::Bitmap->new( $self->{image} ); $self->{height} = -1; $self->{width} = -1; $self->{transparent} = !! ( $self->{image}->HasAlpha || $self->{image}->HasMask ); Wx::Event::EVT_SIZE( $self, \&wIP::onSize ); Wx::Event::EVT_PAINT( $self, \&wIP::onPaint ); bless $self, $class; return $self; } ## end sub new sub onSize { my( $self, $evt ) = @_; $self->Refresh; $evt->Skip; } sub onPaint { my( $self, $evt ) = @_; my $dc = Wx::PaintDC->new( $self ); my( $n_width, $n_height ) = $dc->GetSizeWH; if( $self->{width} != $n_width or $self->{height} != $n_height ) { unless( $self->{noscale} ){ $self->{bitmap} = Wx::Bitmap->new( $self->{image}->Scale( $n_width, $n_height, ) ); $self->{width} = $n_width; $self->{height} = $n_height; } $dc->DrawBitmap( $self->{bitmap}, 0, 0, $self->{transparent} ) +; } else { $dc->DrawBitmap( $self->{bitmap}, 0, 0, $self->{transparent} ) +; } } sub noscale { my( $self ) = @_; $self->{noscale} = !! 1; $self->SetMinSize( [ $self->{image}->GetWidth, $self->{image}->GetHeight, ] ); return $self; } =head1 NAME wIP - wxImagePanel - display image in a panel, autoscaled or not, back +ground image =head1 METHODS =head2 C<<< new >>> wIP->new( $parent, $filename ); wIP->new( $parent, $filenameOrImage ); wIP->new( $parent, Wx::Image->new( Wx::GetWxPerlIcon() ) ) =head2 C<<< noscale >>> wIP->new( ... )->noscale =cut

In reply to Re: wxPerl: how to display a resizing image? (wxImagePanelDemo.pl) by Anonymous Monk
in thread wxPerl: how to display a resizing image? (StaticBitmap doesn't seem to work)? by HelenCr

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