#!/usr/bin/perl -w -- 

use Wx 0.15 qw[:allclasses];
use strict;
use warnings;

package MyFrame;

use Wx qw[:everything];
use base qw(Wx::Frame);
use strict;
our $gl_self;
sub new {
	my( $self, $parent, $id, $title, $pos, $size, $style, $name ) = @_;
	$parent = undef              unless defined $parent;
	$id     = wxID_ANY                 unless defined $id;
	$title  = ""                 unless defined $title;
	$pos    = wxDefaultPosition  unless defined $pos;
	$size   = wxDefaultSize      unless defined $size;
	$name   = ""                 unless defined $name;

	$style = wxDEFAULT_FRAME_STYLE unless defined $style;

	$self = $self->SUPER::new( $parent, $id, $title, $pos, $size, $style, $name );
	$self->SetTitle("Drawing on image");

	$gl_self= $self;	# Set Global variable for use in EVT handler
	
# Image for drawing on
	$self->{image1} = Wx::Image->new( 'C:\insert_your_jpeg.jpg',  wxBITMAP_TYPE_ANY, -1 );
	$self->{Loc_Photo_Bmp} = Wx::Bitmap->new( $self->{image1} ) ;
	$self->{bitmap_1} = Wx::StaticBitmap->new( $self, wxID_ANY, $self->{Loc_Photo_Bmp});
	
# Button to draw image
	
	use Wx::Event qw( EVT_LEFT_UP );
	$self->{bitmap_1}->SetCursor(wxCROSS_CURSOR);
	$self->{bitmap_1}->Connect( wxID_ANY,wxID_ANY,wxEVT_LEFT_UP, \&on_button );
#
#	Sizer
#
	$self->{sizer_1} = Wx::BoxSizer->new(wxVERTICAL);
	$self->{sizer_1}->Add($self->{bitmap_1}, 0, 0, 0);
	$self->SetSizer($self->{sizer_1});
	$self->{sizer_1}->Fit($self);
	$self->Layout();
	
	return $self;
}
sub on_button{

        my ($self, $event) = @_;
	# select it into a memory dc
       if (defined $gl_self->{Loc_Photo_Bmp}){
		my $mdc = Wx::MemoryDC->new();
		$mdc->SelectObject($gl_self->{Loc_Photo_Bmp});
		my $pen = Wx::Pen->new( Wx::Colour->new(255,255,255), 3, wxSOLID);
		$mdc->SetPen( $pen );
		$mdc->SetBrush( wxTRANSPARENT_BRUSH );
# Determine mouse event
#		my $m= Wx::MouseEvent->new($event);
		my $r = 50;
		my $x=$event->GetX();
		my $y=$event->GetY();
# Draw circle round mouse event
		$mdc->DrawCircle( $x, $y, $r );
		$mdc->SelectObject(wxNullBitmap); # deselect the bitmap out of the DC
		$gl_self->{bitmap_1} ->SetBitmap($gl_self->{Loc_Photo_Bmp});
	       	$gl_self->{bitmap_1}->SetCursor(wxSTANDARD_CURSOR);
		$gl_self->{bitmap_1}->Disconnect( wxID_ANY,wxID_ANY,wxEVT_LEFT_DOWN );
		$gl_self->{bitmap_1}->Disconnect( wxID_ANY,wxID_ANY,wxEVT_LEFT_UP );
        }

	$event->Skip() ;
	return $self;
}

1;


package main;

unless(caller){
	local *Wx::App::OnInit = sub{1};
	my $app = Wx::App->new();
	Wx::InitAllImageHandlers();

	my $frame_1 = MyFrame->new();

	$app->SetTopWindow($frame_1);
	$frame_1->Show(1);
	$app->MainLoop();
}