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dpavlin |
1.1 |
#!/usr/bin/perl -w |
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# by Dobrica Pavlinusic <dpavlin@rot13.org> 2001-06-14 |
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# |
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# rotate jpeg using jpegtran with GTK interface |
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use Gtk; |
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use strict; |
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init Gtk; |
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set_locale Gtk; |
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my $false = 0; |
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my $true = 1; |
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my $xv_pic=".xvpics/0610_011.jpg"; |
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$xv_pic = $ARGV[0] if ($ARGV[0]); |
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my ($w,$h,$cols) = (0,0,0); |
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my @xv_pix; |
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open(XV,$xv_pic) || die "$xv_pic: $!"; |
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my $l=<XV>; chomp $l; |
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die "$xv_pic not XV thumbnail file ($l)" if ($l!~m/^P7 332$/); |
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while(<XV>) { |
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chomp; |
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next if (/^#/); |
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if (/^(\d+) (\d+) (\d+)$/) { |
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($w,$h,$cols) = ($1,$2,$3); |
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last; |
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} |
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print STDERR "--$_--\n"; |
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} |
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warn "$xv_pic number of colors is not 255 (strange)" if ($cols != 255); |
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my $buf; # tmp buffer for read; |
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# read pixels |
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read XV,$buf,($w*$h); |
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@xv_pix=unpack("C*",$buf); |
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#/* width height ncolors chars_per_pixel */ |
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my @xpm_0= ( "$w $h 256 2" ); |
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my @xpm_180= ( "$w $h 256 2" ); |
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my @xpm_90= ( "$h $w 256 2" ); |
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my @xpm_270= ( "$h $w 256 2" ); |
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# Generate 332 colour-cube colourmap |
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my @xpm_colmap; |
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for (my $i=0; $i<256; $i++) { |
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push(@xpm_colmap,sprintf ("%02x c #%02x%02x%02x",$i, |
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(255*(($i&(7<<5))>>5))/7, |
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(255*(($i&(7<<2))>>2))/7, |
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(255*(($i&(3<<0))>>0))/3 |
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)); |
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} |
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push @xpm_0,@xpm_colmap; |
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push @xpm_180,@xpm_colmap; |
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push @xpm_90,@xpm_colmap; |
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push @xpm_270,@xpm_colmap; |
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my @pix_0; |
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my @pix_180; |
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my @pix_90; |
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my @pix_270; |
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for(my $y=0; $y<$h; $y++) { |
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for (my $x=0; $x<$w; $x++) { |
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if (defined($xv_pix[$y*$w+$x])) { |
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$pix_0[$y*$w+$x] = sprintf("%02x",$xv_pix[$y*$w+$x]); |
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$pix_180[($h-$y-1)*$w+$x] = sprintf("%02x",$xv_pix[$y*$w+$x]); |
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$pix_270[($w-$x-1)*$h+$y] = sprintf("%02x",$xv_pix[$y*$w+$x]); |
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$pix_90[$x*$h+$y] = sprintf("%02x",$xv_pix[$y*$w+$x]); |
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} else { |
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print STDERR "undef pixel $x,$y!\n"; |
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} |
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} |
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} |
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# fill in pixels now |
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my $tmp; |
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# portrait |
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my $lw=$w*2; |
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$tmp=join('',@pix_0); while ($tmp=~s/^(.{$lw})//) { push(@xpm_0,$1); } |
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$tmp=join('',@pix_180); while ($tmp=~s/^(.{$lw})//) { push(@xpm_180,$1); } |
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# landscape |
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$lw=$h*2; |
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$tmp=join('',@pix_90); while ($tmp=~s/^(.{$lw})//) { push(@xpm_90,$1); } |
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$tmp=join('',@pix_270); while ($tmp=~s/^(.{$lw})//) { push(@xpm_270,$1); } |
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my $window; |
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my ($pixmapwid_0, $pixmapwid_180, $pixmapwid_90, $pixmapwid_270); |
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my ($button_0, $button_180, $button_90, $button_270); |
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my ($pixmap_0, $pixmap_180, $pixmap_90, $pixmap_270); |
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my $mask; |
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my $style; |
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$window = new Gtk::Window( "toplevel" ); |
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$window->signal_connect( "delete_event", sub { Gtk->exit( 0 ); } ); |
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$window->border_width( 10 ); |
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$window->show(); |
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my $hbox = new Gtk::HBox( $true, 0 ); |
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# now for the pixmap from gdk |
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$style = $window->get_style()->bg( 'normal' ); |
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( $pixmap_0, $mask ) = Gtk::Gdk::Pixmap->create_from_xpm_d( $window->window, $style, @xpm_0 ); |
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# a pixmap widget to contain the pixmap |
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$pixmapwid_0 = new Gtk::Pixmap( $pixmap_0, $mask ); |
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$pixmapwid_0->show(); |
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# a button to contain the pixmap widget |
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$button_0 = new Gtk::Button(); |
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$button_0->add( $pixmapwid_0 ); |
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$button_0->show(); |
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$button_0->signal_connect( "clicked", sub { print( "button 0 clicked\n" ); } ); |
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# rotate 180 |
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( $pixmap_180, $mask ) = Gtk::Gdk::Pixmap->create_from_xpm_d( $window->window, $style, @xpm_180 ); |
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$pixmapwid_180 = new Gtk::Pixmap( $pixmap_180, $mask ); |
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$pixmapwid_180->show(); |
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$button_180 = new Gtk::Button(); |
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$button_180->add( $pixmapwid_180 ); |
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$button_180->show(); |
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$button_180->signal_connect( "clicked", sub { print( "button 180 clicked\n" ); } ); |
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# rotate 90 |
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( $pixmap_90, $mask ) = Gtk::Gdk::Pixmap->create_from_xpm_d( $window->window, $style, @xpm_90 ); |
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$pixmapwid_90 = new Gtk::Pixmap( $pixmap_90, $mask ); |
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$pixmapwid_90->show(); |
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$button_90 = new Gtk::Button(); |
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$button_90->add( $pixmapwid_90 ); |
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$button_90->show(); |
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$button_90->signal_connect( "clicked", sub { print( "button 90 clicked\n" ); } ); |
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# rotate 270 |
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( $pixmap_270, $mask ) = Gtk::Gdk::Pixmap->create_from_xpm_d( $window->window, $style, @xpm_270 ); |
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$pixmapwid_270 = new Gtk::Pixmap( $pixmap_270, $mask ); |
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$pixmapwid_270->show(); |
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$button_270 = new Gtk::Button(); |
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$button_270->add( $pixmapwid_270 ); |
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$button_270->show(); |
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$button_270->signal_connect( "clicked", sub { print( "button 270 clicked\n" ); } ); |
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# pack, show, draw |
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$hbox->pack_start( $button_0, $false, $false, 0 ); |
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$hbox->pack_start( $button_90, $false, $false, 0 ); |
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$hbox->pack_start( $button_180, $false, $false, 0 ); |
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$hbox->pack_start( $button_270, $false, $false, 0 ); |
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$hbox->show(); |
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$window->add($hbox); |
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main Gtk; |
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exit( 0 ); |
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