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-rw-r--r--Perl/demos/Tk/demos/zinc_lib/contours.pl90
1 files changed, 42 insertions, 48 deletions
diff --git a/Perl/demos/Tk/demos/zinc_lib/contours.pl b/Perl/demos/Tk/demos/zinc_lib/contours.pl
index 039c159..8907dda 100644
--- a/Perl/demos/Tk/demos/zinc_lib/contours.pl
+++ b/Perl/demos/Tk/demos/zinc_lib/contours.pl
@@ -13,20 +13,19 @@ my $mw = MainWindow->new();
# The explanation displayed when running this demo
my $text = $mw->Scrolled(qw/Text -relief sunken -borderwidth 2 -setgrid true
- -height 10 -scrollbars e/);
+ -height 9 -scrollbars e/);
$text->pack(qw/-expand yes -fill both/);
$text->insert('0.0',
-'All visibles items are made by combinig 2 items using contours:
- - the firebrick curve1 has been holed using a diff with a circle,
- - the lightblue curve2 is the intersection with a circle,
- - the yellow curve3 is the union with a circle,
- - the dark green curve4 has benn XORed with a circle,
- - the grey curve5 is diff-ed, xor-ed and union-ed with many circle.
+'All visibles items are made by combining 2 items using contours:
+ - the firebrick curve1 has been holed using a addhole with a circle,
+ - the lightblue curve2 has been "mickey-moused" by adding two circles,
+ - the yellow curve3 is the union with a disjoint circle,
+ - the grey curve4 is added to and holed with with many circle.
The following operations are possible:
- "Mouse Button 1" for dragging objects.
- "Mouse Button 1" for dragging the black handle and
- modifying the curve5 contour.');
+ - "Mouse Button 1" for dragging objects.
+ - "Mouse Button 1" for dragging the black handle and
+ modifying the grey curve contour.');
# Creating the zinc widget
my $zinc = $mw->Zinc(-width => 600, -height => 500,
@@ -42,7 +41,7 @@ my $zinc = $mw->Zinc(-width => 600, -height => 500,
my $curve0 = $zinc->add('curve', 1, [0,100 , 100,0, 300,0 , 400,100, 300,200, 100,200],
-closed => 1, -visible => 0, -filled => 1,
);
-my $cercle100 = $zinc->add('arc', 1, [150,50, 250,150],
+my $cercle100 = $zinc->add('arc', 1, [130,30, 280,180],
-visible => 0,
);
@@ -57,8 +56,13 @@ my $curve2 = $zinc->clone($curve0, -visible => 1, -fillcolor => "lightblue2");
$zinc->translate($curve2,100,90);
# adding an 'intersection' contour to the curve2
$zinc->contour($curve2, 'add', $cercle100);
+
+$zinc->translate($curve2,-200,0);
+# adding an 'intersection' contour to the curve2
+$zinc->contour($curve2, 'add', $cercle100);
+
# ... translate to make it more visible
-$zinc->translate($curve2, -10,20);
+$zinc->translate($curve2, 320,20);
# cloning curve0 as curve3 and moving it
@@ -67,53 +71,48 @@ $zinc->translate($curve3,0,290);
# adding an 'union' contour to the curve3
$zinc->contour($curve3, 'add', $cercle100);
# ... translate to make it more visible
-$zinc->translate($curve3, -50,-100);
+$zinc->translate($curve3, -130,00);
-# cloning curve0 as curve4 and moving it slightly
-my $curve4 = $zinc->clone($curve0, -visible => 1, -fillcolor => "DarkGreen");
-$zinc->translate($curve4,-20,-90);
-# adding an 'XOR' contour to the curve4
-$zinc->contour($curve4, 'addhole', $cercle100);
-# ... translate to make it more visible
-$zinc->translate($curve4, 230,130);
-
-
-# cloning curve0 as curve5 and moving it slightly
-my $curve5 = $zinc->clone($curve0, -visible => 1, -fillcolor => "grey50",
+# cloning curve0 as curve4 and moving it slightly
+my $curve4 = $zinc->clone($curve0, -visible => 1, -fillcolor => "grey50",
-tags => ["grouped"],
- # tag "grouped" of curve5 and a handle (see just below)
- # is used for easily translating both
+ # the tag "grouped" is used for both curve4 and
+ # a handle (see just below)
+ # It is used for translating both easily
);
-my ($x,$y) = $zinc->coords($curve5,0,1);
+my ($x,$y) = $zinc->coords($curve4,0,1);
my $handle = $zinc->add('rectangle', 1, [$x-5,$y-5,$x+5,$y+5],
-fillcolor => 'black', -filled => 1,
-tags => ["grouped"],
);
-# adding a 'difference' contour to the curve5
-$zinc->contour($curve5, 'addhole', $cercle100);
+# adding a 'difference' contour to the curve4
+$zinc->contour($curve4, 'addhole', $cercle100);
$zinc->translate('grouped',110,0);
-$zinc->contour($curve5, 'addhole', $cercle100);
+$zinc->contour($curve4, 'addhole', $cercle100);
$zinc->translate('grouped',-220,0);
-$zinc->contour($curve5, 'add', $cercle100);
+$zinc->contour($curve4, 'add', $cercle100);
$zinc->translate('grouped',110,80);
-$zinc->contour($curve5, 'add', $cercle100);
+$zinc->contour($curve4, 'add', $cercle100);
$zinc->translate('grouped',0,-160);
-$zinc->contour($curve5, 'add', $cercle100);
+$zinc->contour($curve4, 'add', $cercle100);
$zinc->translate('grouped',200,80);
-$zinc->contour($curve5, 'addhole', $cercle100);
+$zinc->contour($curve4, 'addhole', $cercle100);
$zinc->translate('grouped',-350,0);
-$zinc->contour($curve5, 'add', $cercle100);
+$zinc->contour($curve4, 'add', $cercle100);
$zinc->translate('grouped',350,250);
+#$zinc->lower('grouped');
# Deleting no more usefull items: curve0 and cercle100:
$zinc->remove($curve0, $cercle100);
+$zinc->raise($curve1);
+
# adding drag and drop callback to each visible curve!
foreach my $item ($curve1, $curve2, $curve3, $curve4) {
# Some bindings for dragging the items
@@ -121,11 +120,11 @@ foreach my $item ($curve1, $curve2, $curve3, $curve4) {
$zinc->bind($item, '<ButtonRelease-1>' => \&release);
}
-# adding drag and drop on curve5 which also moves handle
-$zinc->bind($curve5, '<ButtonPress-1>' => [\&press, $curve5, \&motionWithHandle]);
-$zinc->bind($curve5, '<ButtonRelease-1>' => \&release);
+# adding drag and drop on curve4 which also moves handle
+$zinc->bind($curve4, '<ButtonPress-1>' => [\&press, $curve4, \&motionWithHandle]);
+$zinc->bind($curve4, '<ButtonRelease-1>' => \&release);
-# adding drag and drop on handle which also modify curve5
+# adding drag and drop on handle which also modify curve4
$zinc->bind($handle, '<ButtonPress-1>' => [\&press, $handle, \&moveHandle]);
$zinc->bind($handle, '<ButtonRelease-1>' => \&release);
@@ -164,8 +163,7 @@ sub motionWithHandle {
$y_orig = $y;
}
-# BUG BUG BUG
-# Callback for moving the handle and modifying curve5
+# Callback for moving the handle and modifying curve4
# this code is far from being generic. Only for demonstrating how we can
# modify a contour with a unique handle!
sub moveHandle {
@@ -175,12 +173,9 @@ sub moveHandle {
my $y = $ev->y;
$zinc->translate($handle, $x-$x_orig, $y-$y_orig);
- print "Translating of ", $x-$x_orig, ",", $y-$y_orig, "\n";
- # LA LIGNE SUIVANTE EST OK LA 1ERE FOIS ET BUGGUE LES SUIVANTES!
- # NB: CELA MARCHOTTE POUR LE CONTOUR 0, MAIS CE N'EST PAS CORRECT!
- my ($vertxX,$vertxY) = $zinc->coords($curve5,0,1);
- print "Vertex: $vertxX,$vertxY\n";
- $zinc->coords($curve5,0,1, [$vertxX+($x-$x_orig), $vertxY+($y-$y_orig)]);
+
+ my ($vertxX,$vertxY) = $zinc->coords($curve4,0,1);
+ $zinc->coords($curve4,0,1, [$vertxX+($x-$x_orig), $vertxY+($y-$y_orig)]);
$x_orig = $x;
$y_orig = $y;
}
@@ -191,7 +186,6 @@ sub release {
$zinc->Tk::bind('<Motion>', '');
}
-print "1\n";
Tk::MainLoop();
generated by cgit v1.1 at 2024-11-05 07:57:02 +0000