Created
October 2, 2009 19:02
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sub resize { | |
my ( $self, $key, $info ) = @_; | |
my ( $x, $y ) = ( $info->{x}, $info->{y} ); | |
my $img = Imager->new(); | |
unless ( $img->read( file => $self->request->uploads->{$key}->tempname ) ) { | |
$self->log->fatal($img->errstr); | |
return; | |
} | |
$img = $img->scale(xpixels => $x, ypixels => $y, type => 'min'); | |
my $base_img = Imager->new( xsize => $x, ysize => $y ); | |
# 背景画像を白で塗りつぶす。 | |
$base_img->box( | |
# white | |
color => Imager::Color->new(255, 255, 255), | |
xmin => 0, | |
ymin => 0, | |
xmax => $x, | |
ymax => $y, | |
filled => 1000 | |
); | |
# 変更された縦横を求める。 | |
my $img_x = $img->getwidth; | |
my $img_y = $img->getheight; | |
# 背景画像に貼り付ける。 | |
my $left = int(($x - $img_x) / 2); | |
my $top = int(($y - $img_y) / 2); | |
$base_img->paste( left => $left, top => $top, src => $img ); | |
return $base_img; | |
} |
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