Passo 1
Criamos uma biblioteca externa: jSignature_Tools_Base30
e digite o código:
<?php
/** @license
jSignature v2 SVG export plugin.
Copyright (c) 2012 Willow Systems Corp http://willow-systems.com
MIT License
*/
class jSignature_Tools_Base30 {
// private $acceptedformat = 'image/jsignature;base30';
private $chunkSeparator = '';
private $charmap = array(); // {'1':'g','2':'h','3':'i','4':'j','5':'k','6':'l','7':'m','8':'n','9':'o','a':'p','b':'q','c':'r','d':'s','e':'t','f':'u','0':'v'}
private $charmap_reverse = array(); // will be filled by 'uncompress*" function
private $allchars = array();
private $bitness = 0;
private $minus = '';
private $plus = '';
function __construct() {
global $bitness, $allchars, $charmap, $charmap_reverse, $minus, $plus, $chunkSeparator;
$allchars = str_split('0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWX');
$bitness = sizeof($allchars) / 2;
$minus = 'Z';
$plus = 'Y';
$chunkSeparator = '_';
for($i = $bitness-1; $i > -1; $i--){
$charmap[$allchars[$i]] = $allchars[$i+$bitness];
$charmap_reverse[$allchars[$i+$bitness]] = $allchars[$i];
}
}
/*
Decompresses half of a stroke in a base30-encoded jSignature image.
$c = new jSignature_base30();
$t = array(236, 233, 231, 229, 226, 224, 222, 216, 213, 210, 205, 202, 200, 198, 195, 193, 191, 189, 186, 183, 180, 178, 174, 172);
$leg = '7UZ32232263353223222333242';
$a = $c->uncompress_stroke_leg($leg);
$t == $a
*/
private function uncompress_stroke_leg($datastring){
global $charmap, $charmap_reverse, $bitness, $minus, $plus;
// we convert half-stroke (only 'x' series or only 'y' series of numbers)
// datastring like this:
// "5agm12100p1235584210m53"
// is converted into this:
// [517,516,514,513,513,513,514,516,519,524,529,537,541,543,544,544,539,536]
// each number in the chain is converted such:
// - digit char = start of new whole number. Alpha chars except "p","m" are numbers in hiding.
// These consecutive digist expressed as alphas mapped back to digit char.
// resurrected number is the diff between this point and prior coord.
// - running polaritiy is attached to the number.
// - we undiff (signed number + prior coord) the number.
// - if char 'm','p', flip running polarity
$answer = array();
$chars = str_split( $datastring );
$l = sizeof( $chars );
$ch = '';
$polarity = 1;
$partial = array();
$preprewhole = 0;
$prewhole = 0;
for($i = 0; $i < $l; $i++){
// echo "adding $i of $l to answer\n";
$ch = $chars[$i];
if (array_key_exists($ch, $charmap) || $ch == $minus || $ch == $plus){
// this is new number - start of a new whole number.
// before we can deal with it, we need to flush out what we already
// parsed out from string, but keep in limbo, waiting for this sign
// that prior number is done.
// we deal with 3 numbers here:
// 1. start of this number - a diff from previous number to
// whole, new number, which we cannot do anything with cause
// we don't know its ending yet.
// 2. number that we now realize have just finished parsing = prewhole
// 3. number we keep around that came before prewhole = preprewhole
if (sizeof($partial) != 0) {
// yep, we have some number parts in there.
$prewhole = intval( implode('', $partial), $bitness) * $polarity + $preprewhole;
array_push( $answer, $prewhole );
$preprewhole = $prewhole;
}
if ($ch == $minus){
$polarity = -1;
$partial = array();
} else if ($ch == $plus){
$polarity = 1;
$partial = array();
} else {
// now, let's start collecting parts for the new number:
$partial = array($ch);
}
} else /* alphas replacing digits */ {
// more parts for the new number
array_push( $partial, $charmap_reverse[$ch]);
}
}
// we always will have something stuck in partial
// because we don't have closing delimiter
array_push( $answer, intval( implode('',$partial), $bitness ) * $polarity + $preprewhole );
return $answer;
}
/*
$c = new jSignature_base30();
$signature = "3E13Z5Y5_1O24Z66_1O1Z3_3E2Z4";
// This is exactly the same as "native" format within jSignature.
$t = array(
array(
'x'=>array(100,101,104,99,104)
,'y'=>array(50,52,56,50,44)
)
,array(
'x'=>array(50,51,48)
,'y'=>array(100,102,98)
)
);
$a = $c->Base64ToNative($signature);
$t == $a
*/
public function Base64ToNative($datastring){
global $chunkSeparator;
$data = array();
$chunks = explode( $chunkSeparator, $datastring );
$l = sizeof($chunks) / 2;
for ($i = 0; $i < $l; $i++){
array_push( $data, array(
'x' => $this->uncompress_stroke_leg($chunks[$i*2])
, 'y' => $this->uncompress_stroke_leg($chunks[$i*2+1])
));
}
return $data;
}
}
?>
// *********************************************************************************************************
Passo 2
em seguida, adicione o evento onAfterInsert
{signature_1_pic} = “RP-1-1”; // *** Prefix imena podpisa za sliko in tabelo - Prefix signature names for image and table
{signature_2_pic} = “RP-1-2”; // *** Prefix imena podpisa za sliko in tabelo - Prefix signature names for image and table
{id} = {id};
$signature_name1 = “”.{id}."".""."".{location}."".""."".{signature_1_pic}."".".png"; // *** file name of signature saved on disk ***
$signature_name2 = “”.{id}."".""."".{location}."".""."".{signature_2_pic}."".".png"; // *** file name of signature saved on disk ***
{signature_name1} = $signature_name1;
{signature_name2} = $signature_name2;
$update_table = “UPDATE report_01 SET signature_name1 = ‘$signature_name1’, signature_1 = 1, signature_name2 = ‘$signature_name2’, signature_2 = 1 WHERE id = {id}”;
sc_exec_sql($update_table);
// ****************************************************************************************************************************************************************************
sc_include_library(“prj”, “jSignature_Tools_Base30”, “jSignature_Tools_Base30.php”, true, true);
{signature_1_pic} = “RP-1-1”; // *** Prefix imena podpisa za sliko in tabelo - Prefix signature names for image and table
{signature_2_pic} = “RP-1-2”; // *** Prefix imena podpisa za sliko in tabelo - Prefix signature names for image and table
$signature1 = substr({sc_signature1},5);
$signature2 = substr({sc_signature2},5);
{id} = {id};
$filename1 = “”.{id}."".""."".{location}."".""."".{signature_1_pic}."".".png"; // *** file name of signature saved on disk ***
$filename2 = “”.{id}."".""."".{location}."".""."".{signature_2_pic}."".".png"; // *** file name of signature saved on disk ***
// Save Signature 1 to disk START **********************************************************
function base30_to_jpeg($base30_string, $output_file) {
$data = str_replace('image/jsignature;base30,', '', $base30_string);
$converter = new jSignature_Tools_Base30();
$raw = $converter->Base64ToNative($data);
//Calculate dimensions
$width = 0;
$height = 0;
foreach($raw as $line)
{
if (max($line[‘x’])>$width)$width=max($line[‘x’]);
if (max($line[‘y’])>$height)$height=max($line[‘y’]);
}
// Create an image
$im = imagecreatetruecolor($width+20,$height+20);
// Save transparency for PNG
imagesavealpha($im, true);
// Fill background with transparency
$trans_colour = imagecolorallocatealpha($im, 255, 255, 255, 127);
imagefill($im, 0, 0, $trans_colour);
// Set pen thickness
imagesetthickness($im, 2);
// Set pen color to black
$black = imagecolorallocate($im, 0, 0, 0);
// Loop through array pairs from each signature word
for ($i = 0; $i < count($raw); $i++)
{
// Loop through each pair in a word
for ($j = 0; $j < count($raw[$i][‘x’]); $j++)
{
// Make sure we are not on the last coordinate in the array
if ( ! isset($raw[$i][‘x’][$j]))
break;
if ( ! isset($raw[$i][‘x’][$j+1]))
// Draw the dot for the coordinate
imagesetpixel ( $im, $raw[$i][‘x’][$j], $raw[$i][‘y’][$j], $black);
else
// Draw the line for the coordinate pair
imageline($im, $raw[$i][‘x’][$j], $raw[$i][‘y’][$j], $raw[$i][‘x’][$j+1], $raw[$i][‘y’][$j+1], $black);
}
}
//Create Image
$ifp = fopen($output_file, “wb”);
imagepng($im, $output_file);
fclose($ifp);
imagedestroy($im);
return $output_file;
}
$imgStr= $signature1;
base30_to_jpeg($imgStr, $filename1);
// Will copy $filename1 to …/signatures/$filename1
copy($filename1,’…/signatures/’.$filename1);
// Delete file after copy to signature folder
$file_to_delete = $filename1;
unlink($file_to_delete);
/// Save Signature 1 to disk END ************************************************************
/// Save Signature 2 to disk START **********************************************************
function base30_to_jpeg($base30_string, $output_file) {
$data = str_replace('image/jsignature;base30,', '', $base30_string);
$converter = new jSignature_Tools_Base30();
$raw = $converter->Base64ToNative($data);
//Calculate dimensions
$width = 0;
$height = 0;
foreach($raw as $line)
{
if (max($line[‘x’])>$width)$width=max($line[‘x’]);
if (max($line[‘y’])>$height)$height=max($line[‘y’]);
}
// Create an image
$im = imagecreatetruecolor($width+20,$height+20);
// Save transparency for PNG
imagesavealpha($im, true);
// Fill background with transparency
$trans_colour = imagecolorallocatealpha($im, 255, 255, 255, 127);
imagefill($im, 0, 0, $trans_colour);
// Set pen thickness
imagesetthickness($im, 2);
// Set pen color to black
$black = imagecolorallocate($im, 0, 0, 0);
// Loop through array pairs from each signature word
for ($i = 0; $i < count($raw); $i++)
{
// Loop through each pair in a word
for ($j = 0; $j < count($raw[$i][‘x’]); $j++)
{
// Make sure we are not on the last coordinate in the array
if ( ! isset($raw[$i][‘x’][$j]))
break;
if ( ! isset($raw[$i][‘x’][$j+1]))
// Draw the dot for the coordinate
imagesetpixel ( $im, $raw[$i][‘x’][$j], $raw[$i][‘y’][$j], $black);
else
// Draw the line for the coordinate pair
imageline($im, $raw[$i][‘x’][$j], $raw[$i][‘y’][$j], $raw[$i][‘x’][$j+1], $raw[$i][‘y’][$j+1], $black);
}
}
//Create Image
$ifp = fopen($output_file, “wb”);
imagepng($im, $output_file);
fclose($ifp);
imagedestroy($im);
return $output_file;
}
$imgStr= $signature2;
base30_to_jpeg($imgStr, $filename2);
// Will copy $filename1 to …/signatures/$filename1
copy($filename2,’…/signatures/’.$filename2);
// Delete file after copy to signature folder
$file_to_delete = $filename2;
unlink($file_to_delete);
/// Save Signature 2 to disk END ************************************************************
// ****************************************************************************************************************************************************************************
sc_redir(grid_report_02.php);