From cd4b06de25f8d1a4c7161c6df5f0b390b8ea0a89 Mon Sep 17 00:00:00 2001
From: etienne
Date: Mon, 11 Oct 2004 16:00:11 +0000
Subject: Bug correction in transformations management.

---
 Perl/Zinc/Debug.pm | 68 ++++++++++++++++++------------------------------------
 1 file changed, 23 insertions(+), 45 deletions(-)

(limited to 'Perl/Zinc')

diff --git a/Perl/Zinc/Debug.pm b/Perl/Zinc/Debug.pm
index 204bb36..240ffad 100644
--- a/Perl/Zinc/Debug.pm
+++ b/Perl/Zinc/Debug.pm
@@ -1112,7 +1112,7 @@ sub showtransfoparams {
 
     my ($label, $zinc, $item) = @_;
     my @m = $zinc->tget($item);
-    my ($m00, $m01, $m10, $m11, $m20, $m21) = @m; ;
+    my ($m00, $m01, $m10, $m11, $m20, $m21) = @m;
     my ($xt, $yt, $xsc, $ysc, $a, $xsk, $ysk) = $zinc->tget($item, 'all');
     # bug zinc 
     $ysk = 0 unless defined $ysk;
@@ -1178,6 +1178,18 @@ sub showtransfoparams {
 				   );
     my ($e_xt, $e_yt, $e_xsc, $e_ysc, $e_a, $e_xsk, $e_ysk);
 
+    $set_cb = sub {
+	$zinc->treset($item);
+	$zinc->translate($item, $e_xt, $e_yt);
+	$zinc->rotate($item, $e_a);
+	$zinc->scale($item, $e_xsc, $e_ysc);
+	$zinc->skew($item, $e_xsk, $e_ysk);
+	($m00, $m01, $m10, $m11, $m20, $m21) = $zinc->tget($item);
+	for ($m00, $m01, $m10, $m11, $m20, $m21) {
+	    $_ = sprintf("%.2f", $_) if /^-?\d+\.\d/;
+	}
+    };
+
     # translate params
     $r = 0;
     $c = 0;    
@@ -1185,30 +1197,11 @@ sub showtransfoparams {
 	->grid(-row => $r, -column => $c++,
 	       -ipady => 5, -ipadx => 5, -sticky => 'nswe');
 
-    $upd_cb = sub {
-	($m00, $m01, $m10, $m11, $m20, $m21) = $zinc->tget($item);
-	for ($m00, $m01, $m10, $m11, $m20, $m21) {
-	    $_ = sprintf("%.2f", $_) if /^-?\d+\.\d/;
-	}
-    };
-    $reset_cb = sub {
-	$zinc->tset($item, @m);
-	$zinc->translate($item, $e_xt, $e_yt);
-	$zinc->rotate($item, $e_a);
-	$zinc->scale($item, $e_xsc, $e_ysc);
-	$zinc->skew($item, $e_xsk, $e_ysk);
-	&$upd_cb;
-    };
-    $set_cb = sub {
-	$zinc->tset($item, $m00, $m01, $m10, $m11, $m20, $m21);
-	$zinc->translate($item, $e_xt, $e_yt);
-	&$upd_cb;
-    };
-    &entrytransfo($fm12, $item, $zinc, 'xt', $xt, \$e_xt, 4, $set_cb, $reset_cb)
+    &entrytransfo($fm12, $item, $zinc, 'xt', $xt, \$e_xt, 4, $set_cb)
     	->grid(-row => $r, -column => $c++,
 	       -ipady => 5, -ipadx => 5, -sticky => 'nswe');
     
-    &entrytransfo($fm12, $item, $zinc, 'yt', $yt, \$e_yt, 4, $set_cb, $reset_cb)
+    &entrytransfo($fm12, $item, $zinc, 'yt', $yt, \$e_yt, 4, $set_cb)
 	->grid(-row => $r++, -column => $c++,
 	       -ipady => 5, -ipadx => 5, -sticky => 'nswe');
     
@@ -1218,12 +1211,7 @@ sub showtransfoparams {
 	->grid(-row => $r, -column => $c++,
 	       -ipady => 5, -ipadx => 5, -sticky => 'nswe');
 
-    $set_cb = sub {
-	$zinc->tset($item, $m00, $m01, $m10, $m11, $m20, $m21);
-	$zinc->rotate($item, $e_a);
-	&$upd_cb;
-    };
-    &entrytransfo($fm12, $item, $zinc, 'a', $a, \$e_a, 4, $set_cb, $reset_cb)
+    &entrytransfo($fm12, $item, $zinc, 'a', $a, \$e_a, 4, $set_cb)
 	->grid(-row => $r++, -column => $c++,
 	       -ipady => 5, -ipadx => 5, -sticky => 'nswe');
 
@@ -1232,16 +1220,11 @@ sub showtransfoparams {
     $fm12->Label(-text => 'scale', -relief => 'ridge', -bg => $bgcolor)
 	->grid(-row => $r, -column => $c++,
 	       -ipady => 5, -ipadx => 5, -sticky => 'nswe');
-    $set_cb = sub {
-	$zinc->tset($item, $m00, $m01, $m10, $m11, $m20, $m21);
-	$zinc->scale($item, $e_xsc, $e_ysc);
-	&$upd_cb;
-    };
 
-    &entrytransfo($fm12, $item, $zinc, 'xsc', $xsc, \$e_xsc, 4, $set_cb, $reset_cb)
+    &entrytransfo($fm12, $item, $zinc, 'xsc', $xsc, \$e_xsc, 4, $set_cb)
 	->grid(-row => $r, -column => $c++,
 	       -ipady => 5, -ipadx => 5, -sticky => 'nswe');
-    &entrytransfo($fm12, $item, $zinc, 'ysc', $ysc, \$e_ysc, 4, $set_cb, $reset_cb)
+    &entrytransfo($fm12, $item, $zinc, 'ysc', $ysc, \$e_ysc, 4, $set_cb)
 	->grid(-row => $r++, -column => $c++,
 	       -ipady => 5, -ipadx => 5, -sticky => 'nswe');
     
@@ -1250,16 +1233,11 @@ sub showtransfoparams {
     $fm12->Label(-text => 'skew', -relief => 'ridge', -bg => $bgcolor)
 	->grid(-row => $r, -column => $c++,
 	       -ipady => 5, -ipadx => 5, -sticky => 'nswe');
-    $set_cb = sub {
-	$zinc->tset($item, $m00, $m01, $m10, $m11, $m20, $m21);
-	$zinc->skew($item, $e_xsk, $e_ysk);
-	&$upd_cb;
-    };
     
-    &entrytransfo($fm12, $item, $zinc, 'xsk', $xsk, \$e_xsk, 4, $set_cb, $reset_cb)
+    &entrytransfo($fm12, $item, $zinc, 'xsk', $xsk, \$e_xsk, 4, $set_cb)
 	->grid(-row => $r, -column => $c++,
 	       -ipady => 5, -ipadx => 5, -sticky => 'nswe');
-    &entrytransfo($fm12, $item, $zinc, 'ysk', $ysk, \$e_ysk, 4, $set_cb, $reset_cb)
+    &entrytransfo($fm12, $item, $zinc, 'ysk', $ysk, \$e_ysk, 4, $set_cb)
 	->grid(-row => $r++, -column => $c++,
 	       -ipady => 5, -ipadx => 5, -sticky => 'nswe');
 
@@ -2774,7 +2752,7 @@ sub entryoption {
 
 sub entrytransfo {
     
-    my ($fm, $item, $zinc, $attr, $def, $var, $width, $set_cb, $reset_cb) = @_;
+    my ($fm, $item, $zinc, $attr, $def, $var, $width, $set_cb) = @_;
     my $i0;
     my $e;
     $e = $fm->Entry(-textvariable => $var);
@@ -2794,7 +2772,7 @@ sub entrytransfo {
 	$e->insert($i0, $defaultoptions{$item}->{$attr});
 	$e->configure(-background => 'ivory');
 	$e->after(80, sub {$e->configure(-background => $bg, -foreground => 'black')});
-	&$reset_cb;
+	&$set_cb;
     });
     $e->bind('<Key-Return>',
 	     sub {my $val = $e->get;
@@ -2802,7 +2780,7 @@ sub entrytransfo {
 		  $e->configure(-background => 'ivory');
 		  if ($def ne $val) {
 		      $defaultoptions{$item}->{$attr} = $def
-			  unless $defaultoptions{$item}->{$attr};
+			  unless defined $defaultoptions{$item}->{$attr};
 		  }
 		  my $fg = ($val ne $defaultoptions{$item}->{$attr}) ?
 		      'blue' : 'black';
-- 
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