/[VRac]/M6502/Screen.pm
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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revision 55 by dpavlin, Tue Jul 31 13:56:50 2007 UTC revision 75 by dpavlin, Wed Aug 1 12:40:20 2007 UTC
# Line 8  use warnings; Line 8  use warnings;
8  use SDL::App;  use SDL::App;
9  use SDL::Rect;  use SDL::Rect;
10  use SDL::Color;  use SDL::Color;
11    use SDL::Constants;
12    
13  use Carp qw/confess/;  use Carp qw/confess/;
14    use Data::Dump qw/dump/;
15    
16  use base qw(Class::Accessor);  use base qw(Class::Accessor Prefs);
17  #__PACKAGE__->mk_accessors(qw(debug scale show_mem trace app));  __PACKAGE__->mk_accessors(qw(app));
18    
19  =head1 NAME  =head1 NAME
20    
# Line 29  our $app; Line 31  our $app;
31  sub open_screen {  sub open_screen {
32          my $self = shift;          my $self = shift;
33    
34            $self->prefs;
35    
36          if ( ! $self->scale ) {          if ( ! $self->scale ) {
37                  $self->scale( 1 );                  $self->scale( 1 );
38                  warn "using default unscaled display\n";                  warn "using default unscaled display\n";
# Line 39  sub open_screen { Line 43  sub open_screen {
43                  -height => 256 * $self->scale,                  -height => 256 * $self->scale,
44                  -depth  => 16,                  -depth  => 16,
45          );          );
46          #$app->grab_input( 0 );          #$app->grab_input( SDL_GRAB_QUERY );
47            $app->grab_input( SDL_GRAB_OFF );
48    
49          warn "# created SDL::App\n";          warn "# created SDL::App\n";
50          $self->app( $app );          $self->app( $app );
# Line 164  sub sync { Line 169  sub sync {
169          $app->sync;          $app->sync;
170  }  }
171    
172    =head2 render
173    
174      $self->render( @video_memory );
175    
176    =cut
177    
178    sub render {
179            my $self = shift;
180    
181            die "this function isn't supported if scale isn't 1" unless $self->scale == 1;
182    
183            my $pixels = pack("C*", @_);
184    
185            my $vram = SDL::Surface->new(
186                    -width => 256,
187                    -height => 256,
188                    -depth => 1,    # 1 bit per pixel
189                    -pitch => 32,   # bytes per line
190                    -from => $pixels,
191            );
192            $vram->set_colors( 0, $black, $white, $red );
193            $vram->display_format;
194    
195            my $rect = SDL::Rect->new( -x => 0, -y => 0, -width => 256, -height => 256 );
196            $vram->blit( $rect, $app, $rect );
197    
198            $app->sync;
199    }
200    
201  =head1 SEE ALSO  =head1 SEE ALSO
202    
203  L<Orao> is sample implementation using this module  L<Orao> is sample implementation using this module
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