From 4bea68faa549c6725c4af9c94a3565d5bd78729a Mon Sep 17 00:00:00 2001
From: Gianni Ceccarelli <dakkar@thenautilus.net>
Date: Sun, 26 Dec 2010 16:59:19 +0000
Subject: string length may depend on direction

---
 lib/GridFiller/Chooser/Smarter.pm | 10 +++++++---
 lib/GridFiller/Result/Pango.pm    | 23 ++++++++++++-----------
 lib/GridFiller/Status.pm          |  8 ++++----
 3 files changed, 23 insertions(+), 18 deletions(-)

diff --git a/lib/GridFiller/Chooser/Smarter.pm b/lib/GridFiller/Chooser/Smarter.pm
index 0abd088..16ed0b0 100644
--- a/lib/GridFiller/Chooser/Smarter.pm
+++ b/lib/GridFiller/Chooser/Smarter.pm
@@ -14,13 +14,17 @@ sub maxfirst {
 sub find_place_for {
     my ($self,$word) = @_;
 
-    my $length = $self->length->($word);
-
-    $self->log->debug("looking for $length of space");
 
     my @candidates;
 
+    my $length = $self->length->($word,$HORIZONTAL);
+    $self->log->debug("looking for $length of horizontal space");
+
     push @candidates, $self->_find_places_horiz($length);
+
+    $length = $self->length->($word,$VERTICAL);
+    $self->log->debug("looking for $length of vertical space");
+
     push @candidates, $self->_find_places_vert($length);
 
     return unless @candidates;
diff --git a/lib/GridFiller/Result/Pango.pm b/lib/GridFiller/Result/Pango.pm
index 1172848..34b3401 100644
--- a/lib/GridFiller/Result/Pango.pm
+++ b/lib/GridFiller/Result/Pango.pm
@@ -149,11 +149,14 @@ sub _put_squares {
 }
 
 sub layout_for_string {
-    my ($self,$string) = @_;
+    my ($self,$string,$dir) = @_;
 
     my $p = Pango::Cairo::create_layout($self->_cairo_c);
     Pango::Cairo::Context::set_font_options($p->get_context,$self->font_options);
     Pango::Cairo::update_context($self->_cairo_c,,$p->get_context);
+    if ($dir == $VERTICAL) {
+        $p->get_context->set_base_gravity('east');
+    }
     $p->context_changed;
     $p->set_font_description($self->font_description);
     $p->set_text($string);
@@ -164,13 +167,13 @@ sub layout_for_string {
 sub length_closure {
     my ($self) = @_;
 
-    return sub { $self->string_width($_[0]) }
+    return sub { $self->string_width(@_) }
 }
 
 sub string_extents {
-    my ($self,$string) = @_;
+    my ($self,$string,$dir) = @_;
 
-    my $p = $self->layout_for_string($string);
+    my $p = $self->layout_for_string($string,$dir);
     my ($w,$h) = $p->get_pixel_size;
     return
         ceil($w / $self->cell_size),
@@ -178,15 +181,15 @@ sub string_extents {
 }
 
 sub string_width {
-    my ($self,$string) = @_;
+    my ($self,$string,$dir) = @_;
 
-    return +($self->string_extents($string))[0];
+    return +($self->string_extents($string,$dir))[0];
 }
 
 sub string_height {
-    my ($self,$string) = @_;
+    my ($self,$string,$dir) = @_;
 
-    return +($self->string_extents($string))[1];
+    return +($self->string_extents($string,$dir))[1];
 }
 
 sub _center_adj {
@@ -220,7 +223,7 @@ sub place_word_at {
 
     $self->log->debug("Placing $word at ${x}:${y} ($dir)");
 
-    my $p = $self->layout_for_string($word);
+    my $p = $self->layout_for_string($word,$dir);
     my @colour = $self->colour_for_string($word,$x,$y,$dir);
     my $size = $self->cell_size;
     my $cr = $self->_cairo_c;
@@ -235,8 +238,6 @@ sub place_word_at {
         $cr->move_to($x,$y);
     }
     else {
-        $p->get_context->set_base_gravity('east');
-        $p->context_changed;
         $y+=$w_adjustment;
         $x-=$h_adjustment;
         $cr->move_to($x+$size,$y);
diff --git a/lib/GridFiller/Status.pm b/lib/GridFiller/Status.pm
index bf5e9e6..bccb20f 100644
--- a/lib/GridFiller/Status.pm
+++ b/lib/GridFiller/Status.pm
@@ -62,8 +62,8 @@ sub _build_words_to_use {
     given ($mode) {
         when ('random') { return [ shuffle uniq @$words ] }
         when ('given') { return [ uniq @$words ] }
-        when ('longest') { return [ sort {$l->($b) <=> $l->($a)} uniq @$words ] }
-        when ('shortest') { return [ sort {$l->($a) <=> $l->($b)} uniq @$words ] }
+        when ('longest') { return [ sort {$l->($b,$HORIZONTAL) <=> $l->($a,$HORIZONTAL)} uniq @$words ] }
+        when ('shortest') { return [ sort {$l->($a,$HORIZONTAL) <=> $l->($b,$HORIZONTAL)} uniq @$words ] }
         default { croak "Unknown mode $mode" }
     }
 }
@@ -87,12 +87,12 @@ sub place_word_at {
     $self->log->debug("Marking <$word> occupied at ${x}:${y} ($dir)");
 
     if ($dir == $HORIZONTAL) {
-        for my $i (0..$self->length->($word)+$space-1) {
+        for my $i (0..$self->length->($word,$dir)+$space-1) {
             $self->_mark_occupied($x+$i,$y);
         }
     }
     elsif ($dir == $VERTICAL) {
-        for my $i (0..$self->length->($word)+$space-1) {
+        for my $i (0..$self->length->($word,$dir)+$space-1) {
             $self->_mark_occupied($x,$y+$i);
         }
     }
-- 
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