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Add 'stretch' parameter to widen the bars #9

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Add 'stretch' parameter to widen the bars #9

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303ad98
Add 'stretch' parameter to widen the bars
jeffpiazza Feb 15, 2016
934c7ba
Add 'stretch' parameter to widen the bars
jeffpiazza Feb 15, 2016
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8 changes: 5 additions & 3 deletions barcode.php
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,8 @@
$size = (isset($_GET["size"])?$_GET["size"]:"20");
$orientation = (isset($_GET["orientation"])?$_GET["orientation"]:"horizontal");
$code_type = (isset($_GET["codetype"])?$_GET["codetype"]:"code128");
// "stretch" increases the thickness of each bar (as opposed to "size" which changes the bar heights)
$stretch = (isset($_GET["stretch"])?$_GET["stretch"]:1);
$code_string = "";

// Translate the $text into barcode the correct $code_type
Expand Down Expand Up @@ -100,11 +102,11 @@
$code_length = $code_length + (integer)(substr($code_string,($i-1),1));

if ( strtolower($orientation) == "horizontal" ) {
$img_width = $code_length;
$img_width = $stretch * $code_length;
$img_height = $size;
} else {
$img_width = $size;
$img_height = $code_length;
$img_height = $stretch * $code_length;
}

$image = imagecreate($img_width, $img_height);
Expand All @@ -115,7 +117,7 @@

$location = 10;
for ( $position = 1 ; $position <= strlen($code_string); $position++ ) {
$cur_size = $location + ( substr($code_string, ($position-1), 1) );
$cur_size = $location + $stretch * ( substr($code_string, ($position-1), 1) );
if ( strtolower($orientation) == "horizontal" )
imagefilledrectangle( $image, $location, 0, $cur_size, $img_height, ($position % 2 == 0 ? $white : $black) );
else
Expand Down