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CppTrial-pg294.pl
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CppTrial-pg294.pl
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#!/usr/bin/perl
# CppTrial-pg294.pl
# Cross-Platform GUI Programming with wxWidgets - Smart, Hock, & Csomor
# C++ Example from pg 294 - Writing a bitmap/image to the Clipboard
# Ported to wxPerl by James M. Lynes Jr. - Last Modified 9/25/2012
use 5.010;
use strict;
use warnings;
use Wx qw(:everything);
use Wx::Event qw(EVT_PAINT);
# create the WxApplication
my $app = Wx::SimpleApp->new;
my $frame = Wx::Frame->new(undef, -1,
'CppTrial-pg294.pl',
wxDefaultPosition, wxDefaultSize);
# Use status bar to indicate button presses
Wx::InitAllImageHandlers();
my $statusBar = Wx::StatusBar->new($frame, wxID_ANY, wxST_SIZEGRIP);
$frame->SetStatusBar($statusBar);
my @widths = (200, 100, -1);
$statusBar->SetFieldsCount($#widths+1);
$statusBar->SetStatusWidths(@widths);
$statusBar->SetStatusText("Ready", 0);
EVT_PAINT($frame, \&myStdDialogs);
$frame->Show;
$app->MainLoop;
# Example specific code
sub myStdDialogs {
my ( $self, $event ) = @_;
use Wx::DND; # Loads all of the Clipboard
# and Drag and Drop packages
# Like - Wx::DataObjectSimple
my $bmp = Wx::Bitmap->new("logo.png", wxBITMAP_TYPE_PNG);
my $bmpObject1 = Wx::BitmapDataObject->new($bmp);
wxTheClipboard->Open;
wxTheClipboard->SetData( $bmpObject1 ); # Put the bitmap object on the clipboard
wxTheClipboard->Close;
wxTheClipboard->Open;
my $bitmap = wxNullBitmap;
if( wxTheClipboard->IsSupported( wxDF_BITMAP ) ) {
my $bmpObject2 = Wx::BitmapDataObject->new($bitmap);
my $ok = wxTheClipboard->GetData( $bmpObject2 ); # Get the bitmap object from the clipboard
if( $ok ) {
$self->Wx::LogStatus("Pasted and Retrieved bitmap" );
$bitmap = $bmpObject2->GetBitmap();
}
else {
$self->Wx::LogStatus("Error pasting bitmap" );
$bitmap = wxNullBitmap;
}
wxTheClipboard->Close;
}
#
# Use a paint event to get the bitmap to draw on screen
#
my $dc = Wx::PaintDC->new($self);
my $pen = Wx::Pen->new(wxBLACK, 1, wxSOLID);
$dc->SetPen($pen);
my $brush=Wx::Brush->new(wxRED, wxSOLID);
$dc->SetBrush($brush);
$dc->DrawBitmap($bitmap, 30, 100, 1);
}