KevNRox

its saves the file signature.png to my working directory just fine. But the png is just blank.

Anyone?

Some help please! Anyone!

this is what I get when I do that. string(6330) 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object(stdClass)#103 (4) { ["lx"]=> int(898) ["ly"]=> int(388) ["mx"]=> int(928) ["my"]=> int(388) } [103]=> object(stdClass)#104 (4) { ["lx"]=> int(867) ["ly"]=> int(388) ["mx"]=> int(898) ["my"]=> int(388) } [104]=> object(stdClass)#105 (4) { ["lx"]=> int(810) ["ly"]=> int(395) ["mx"]=> int(867) ["my"]=> int(388) } [105]=> object(stdClass)#106 (4) { ["lx"]=> int(794) ["ly"]=> int(405) ["mx"]=> int(810) ["my"]=> int(395) } [106]=> object(stdClass)#107 (4) { ["lx"]=> int(786) ["ly"]=> int(415) ["mx"]=> int(794) ["my"]=> int(405) } [107]=> object(stdClass)#108 (4) { ["lx"]=> int(779) ["ly"]=> int(455) ["mx"]=> int(786) ["my"]=> int(415) } [108]=> object(stdClass)#109 (4) { ["lx"]=> int(779) ["ly"]=> int(472) ["mx"]=> int(779) ["my"]=> int(455) } [109]=> object(stdClass)#110 (4) { ["lx"]=> int(779) ["ly"]=> int(491) ["mx"]=> int(779) ["my"]=> int(472) } [110]=> object(stdClass)#111 (4) { ["lx"]=> int(782) ["ly"]=> int(508) ["mx"]=> int(779) ["my"]=> int(491) } [111]=> object(stdClass)#112 (4) { ["lx"]=> int(815) ["ly"]=> int(573) ["mx"]=> int(782) ["my"]=> int(508) } [112]=> object(stdClass)#113 (4) { ["lx"]=> int(825) ["ly"]=> int(599) ["mx"]=> int(815) ["my"]=> int(573) } [113]=> object(stdClass)#114 (4) { ["lx"]=> int(839) ["ly"]=> int(621) ["mx"]=> int(825) ["my"]=> int(599) } [114]=> object(stdClass)#115 (4) { ["lx"]=> int(867) ["ly"]=> int(665) ["mx"]=> int(839) ["my"]=> int(621) } [115]=> object(stdClass)#116 (4) { ["lx"]=> int(875) ["ly"]=> int(672) ["mx"]=> int(867) ["my"]=> int(665) } [116]=> object(stdClass)#117 (4) { ["lx"]=> int(883) ["ly"]=> int(675) ["mx"]=> int(875) ["my"]=> int(672) } [117]=> object(stdClass)#118 (4) { ["lx"]=> int(904) ["ly"]=> int(674) ["mx"]=> int(883) ["my"]=> int(675) } [118]=> object(stdClass)#119 (4) { ["lx"]=> int(913) ["ly"]=> int(669) ["mx"]=> int(904) ["my"]=> int(674) } [119]=> object(stdClass)#120 (4) { ["lx"]=> int(923) ["ly"]=> int(661) ["mx"]=> int(913) ["my"]=> int(669) } [120]=> object(stdClass)#121 (4) { ["lx"]=> int(932) ["ly"]=> int(652) ["mx"]=> int(923) ["my"]=> int(661) } [121]=> object(stdClass)#122 (4) { ["lx"]=> int(967) ["ly"]=> int(615) ["mx"]=> int(932) ["my"]=> int(652) } [122]=> object(stdClass)#123 (4) { ["lx"]=> int(979) ["ly"]=> int(600) ["mx"]=> int(967) ["my"]=> int(615) } [123]=> object(stdClass)#124 (4) { ["lx"]=> int(983) ["ly"]=> int(590) ["mx"]=> int(979) ["my"]=> int(600) } [124]=> object(stdClass)#125 (4) { ["lx"]=> int(984) ["ly"]=> int(579) ["mx"]=> int(983) ["my"]=> int(590) } [125]=> object(stdClass)#126 (4) { ["lx"]=> int(982) ["ly"]=> int(572) ["mx"]=> int(984) ["my"]=> int(579) } [126]=> object(stdClass)#127 (4) { ["lx"]=> int(978) ["ly"]=> int(566) ["mx"]=> int(982) ["my"]=> int(572) } [127]=> object(stdClass)#128 (4) { ["lx"]=> int(971) ["ly"]=> int(560) ["mx"]=> int(978) ["my"]=> int(566) } [128]=> object(stdClass)#129 (4) { ["lx"]=> int(952) ["ly"]=> int(549) ["mx"]=> int(971) ["my"]=> int(560) } [129]=> object(stdClass)#130 (4) { ["lx"]=> int(946) ["ly"]=> int(549) ["mx"]=> int(952) ["my"]=> int(549) } [130]=> object(stdClass)#131 (4) { ["lx"]=> int(943) ["ly"]=> int(549) ["mx"]=> int(946) ["my"]=> int(549) } [131]=> object(stdClass)#132 (4) { ["lx"]=> int(942) ["ly"]=> int(555) ["mx"]=> int(943) ["my"]=> int(549) } [132]=> object(stdClass)#133 (4) { ["lx"]=> int(946) ["ly"]=> int(558) ["mx"]=> int(942) ["my"]=> int(555) } [133]=> object(stdClass)#134 (4) { ["lx"]=> int(952) ["ly"]=> int(563) ["mx"]=> int(946) ["my"]=> int(558) } [134]=> object(stdClass)#135 (4) { ["lx"]=> int(985) ["ly"]=> int(574) ["mx"]=> int(952) ["my"]=> int(563) } [135]=> object(stdClass)#136 (4) { ["lx"]=> int(999) ["ly"]=> int(577) ["mx"]=> int(985) ["my"]=> int(574) } [136]=> object(stdClass)#137 (4) { ["lx"]=> int(1014) ["ly"]=> int(579) ["mx"]=> int(999) ["my"]=> int(577) } [137]=> object(stdClass)#138 (4) { ["lx"]=> int(1030) ["ly"]=> int(579) ["mx"]=> int(1014) ["my"]=> int(579) } [138]=> object(stdClass)#139 (4) { ["lx"]=> int(1072) ["ly"]=> int(579) ["mx"]=> int(1030) ["my"]=> int(579) } [139]=> object(stdClass)#140 (4) { ["lx"]=> int(1083) ["ly"]=> int(579) ["mx"]=> int(1072) ["my"]=> int(579) } [140]=> object(stdClass)#141 (4) { ["lx"]=> int(1091) ["ly"]=> int(579) ["mx"]=> int(1083) ["my"]=> int(579) } [141]=> object(stdClass)#142 (4) { ["lx"]=> int(1101) ["ly"]=> int(577) ["mx"]=> int(1091) ["my"]=> int(579) } [142]=> object(stdClass)#143 (4) { ["lx"]=> int(1100) ["ly"]=> int(576) ["mx"]=> int(1101) ["my"]=> int(577) } [143]=> object(stdClass)#144 (4) { ["lx"]=> int(1099) ["ly"]=> int(576) ["mx"]=> int(1100) ["my"]=> int(576) } [144]=> object(stdClass)#145 (4) { ["lx"]=> int(1098) ["ly"]=> int(576) ["mx"]=> int(1099) ["my"]=> int(576) } [145]=> object(stdClass)#146 (4) { ["lx"]=> int(1101) ["ly"]=> int(575) ["mx"]=> int(1098) ["my"]=> int(576) } [146]=> object(stdClass)#147 (4) { ["lx"]=> int(1105) ["ly"]=> int(573) ["mx"]=> int(1101) ["my"]=> int(575) } [147]=> object(stdClass)#148 (4) { ["lx"]=> int(1116) ["ly"]=> int(570) ["mx"]=> int(1105) ["my"]=> int(573) } [148]=> object(stdClass)#149 (4) { ["lx"]=> int(1153) ["ly"]=> int(553) ["mx"]=> int(1116) ["my"]=> int(570) } [149]=> object(stdClass)#150 (4) { ["lx"]=> int(1162) ["ly"]=> int(551) ["mx"]=> int(1153) ["my"]=> int(553) } [150]=> object(stdClass)#151 (4) { ["lx"]=> int(1175) ["ly"]=> int(547) ["mx"]=> int(1162) ["my"]=> int(551) } [151]=> object(stdClass)#152 (4) { ["lx"]=> int(1219) ["ly"]=> int(541) ["mx"]=> int(1175) ["my"]=> int(547) } [152]=> object(stdClass)#153 (4) { ["lx"]=> int(1230) ["ly"]=> int(538) ["mx"]=> int(1219) ["my"]=> int(541) } [153]=> object(stdClass)#154 (4) { ["lx"]=> int(1239) ["ly"]=> int(538) ["mx"]=> int(1230) ["my"]=> int(538) } [154]=> object(stdClass)#155 (4) { ["lx"]=> int(1243) ["ly"]=> int(538) ["mx"]=> int(1239) ["my"]=> int(538) } [155]=> object(stdClass)#156 (4) { ["lx"]=> int(1246) ["ly"]=> int(539) ["mx"]=> int(1243) ["my"]=> int(538) } [156]=> object(stdClass)#157 (4) { ["lx"]=> int(1246) ["ly"]=> int(540) ["mx"]=> int(1246) ["my"]=> int(539) } [157]=> object(stdClass)#158 (4) { ["lx"]=> int(1247) ["ly"]=> int(544) ["mx"]=> int(1246) ["my"]=> int(540) } [158]=> object(stdClass)#159 (4) { ["lx"]=> int(1249) ["ly"]=> int(551) ["mx"]=> int(1247) ["my"]=> int(544) } [159]=> object(stdClass)#160 (4) { ["lx"]=> int(1251) ["ly"]=> int(554) ["mx"]=> int(1249) ["my"]=> int(551) } [160]=> object(stdClass)#161 (4) { ["lx"]=> int(1253) ["ly"]=> int(559) ["mx"]=> int(1251) ["my"]=> int(554) } [161]=> object(stdClass)#162 (4) { ["lx"]=> int(1262) ["ly"]=> int(562) ["mx"]=> int(1253) ["my"]=> int(559) } [162]=> object(stdClass)#163 (4) { ["lx"]=> int(1271) ["ly"]=> int(563) ["mx"]=> int(1262) ["my"]=> int(562) } [163]=> object(stdClass)#164 (4) { ["lx"]=> int(1279) ["ly"]=> int(563) ["mx"]=> int(1271) ["my"]=> int(563) } }

I have installed and am using Thomas bradleys Signature pad. I am able to draw my signature but when I press submit I keep getting this error Warning: Invalid argument supplied for foreach() in C:\xampp\htdocs\CareMed\signature-to-image.php on line 52 I am using the full-window template so it only had a clear button. I added a submit button to it. This is the main php page that lets me draw my signature. <html><head> <meta charset="utf-8"> <title>Full-Window · Signature Pad</title> <style> * { -webkit-user-select: none; -moz-user-select: none; user-select: none; } html, body { min-height: 100%; height: 100%; max-width: 100%; width: 100%; overflow: hidden; } html, body, form { margin: 0px; } html, form { padding: 0px; } html, body, fieldset { background: #aaa; } fieldset { position: absolute; border: 5px solid #aaa; background: #aaa; right: 0px; bottom: 0px; } canvas { outline: 5px solid #aaa; background: #fff; } input[type=submit], input[type=reset] { font-size: larger; } </style> <link rel="stylesheet" href="assets/jquery.signaturepad.css"> <!--[if lt IE 9]><script src="../assets/flashcanvas.js"></script><![endif]--> <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.5.1/jquery.min.js"></script> </head> <body> <form method="post" action="finaladd.php" class="sigPad"> <div class="sig sigWrapper"> <div class="typed"></div> <canvas class="pad" width="198" height="55"></canvas> <input type="hidden" name="output" class="output"> <fieldset> <input type="reset" value="clear" /> <input type='submit' value='submit'/> </fieldset> </div> <button type="submit">I accept the terms of this agreement.</button> </form> <script src="assets/numeric-1.2.6.min.js"></script> <script src="assets/bezier.js"></script> <script src="jquery.signaturepad.js"></script> <script> (function(window) { var $canvas, onResize = function(event) { $canvas.attr({ height: window.innerHeight, width: window.innerWidth }); }; $(document).ready(function() { $canvas = $('canvas'); window.addEventListener('orientationchange', onResize, false); window.addEventListener('resize', onResize, false); onResize(); $('form').signaturePad({ drawBezierCurves: true, variableStrokeWidth:true, drawOnly: true, defaultAction: 'drawIt', validateFields: false, lineWidth: 0, output: null, sigNav: null, name: null, typed: null, clear: 'input[type=reset]', typeIt: null, drawIt: null, typeItDesc: null, drawItDesc: null }); }); }(this)); </script> <script src="assets/json2.min.js"></script> This is now the page called finaladd.php This is where it ges when I click submit. It is supposed to convert the image into a png and save it as signature.png <?php require_once 'signature-to-image.php'; $json = $_POST['output']; $img = sigJsonToImage($json); imagepng($img, 'signature.png'); imagedestroy($img); // Destroy the image in memory when complete Lastly, This is the signature-to-image.php file that is called from the above file. <?php /** * Signature to Image: A supplemental script for Signature Pad that * generates an image of the signature’s JSON output server-side using PHP. * * @project ca.thomasjbradley.applications.signaturetoimage * @author Thomas J Bradley <hey@thomasjbradley.ca> * @link http://thomasjbradley.ca/lab/signature-to-image * @link http://github.com/thomasjbradley/signature-to-image * @copyright Copyright MMXI–, Thomas J Bradley * @license New BSD License * @version 1.1.0 */ /** * Accepts a signature created by signature pad in Json format * Converts it to an image resource * The image resource can then be changed into png, jpg whatever PHP GD supports * * To create a nicely anti-aliased graphic the signature is drawn 12 times it's original size then shrunken * * @param string|array $json * @param array $options OPTIONAL; the options for image creation * imageSize => array(width, height) * bgColour => array(red, green, blue) | transparent * penWidth => int * penColour => array(red, green, blue) * drawMultiplier => int * * @return object */ function sigJsonToImage ($json, $options = array()) { $defaultOptions = array( 'imageSize' => array(198, 55) ,'bgColour' => array(0xff, 0xff, 0xff) ,'penWidth' => 2 ,'penColour' => array(0x14, 0x53, 0x94) ,'drawMultiplier'=> 12 ); $options = array_merge($defaultOptions, $options); $img = imagecreatetruecolor($options['imageSize'][0] * $options['drawMultiplier'], $options['imageSize'][1] * $options['drawMultiplier']); if ($options['bgColour'] == 'transparent') { imagesavealpha($img, true); $bg = imagecolorallocatealpha($img, 0, 0, 0, 127); } else { $bg = imagecolorallocate($img, $options['bgColour'][0], $options['bgColour'][1], $options['bgColour'][2]); } $pen = imagecolorallocate($img, $options['penColour'][0], $options['penColour'][1], $options['penColour'][2]); imagefill($img, 0, 0, $bg); if (is_string($json)) $json = json_decode(stripslashes($json)); foreach ($json as $v) drawThickLine($img, $v->lx * $options['drawMultiplier'], $v->ly * $options['drawMultiplier'], $v->mx * $options['drawMultiplier'], $v->my * $options['drawMultiplier'], $pen, $options['penWidth'] * ($options['drawMultiplier'] / 2)); $imgDest = imagecreatetruecolor($options['imageSize'][0], $options['imageSize'][1]); if ($options['bgColour'] == 'transparent') { imagealphablending($imgDest, false); imagesavealpha($imgDest, true); } imagecopyresampled($imgDest, $img, 0, 0, 0, 0, $options['imageSize'][0], $options['imageSize'][0], $options['imageSize'][0] * $options['drawMultiplier'], $options['imageSize'][0] * $options['drawMultiplier']); imagedestroy($img); return $imgDest; } /** * Draws a thick line * Changing the thickness of a line using imagesetthickness doesn't produce as nice of result * * @param object $img * @param int $startX * @param int $startY * @param int $endX * @param int $endY * @param object $colour * @param int $thickness * * @return void */ function drawThickLine ($img, $startX, $startY, $endX, $endY, $colour, $thickness) { $angle = (atan2(($startY - $endY), ($endX - $startX))); $dist_x = $thickness * (sin($angle)); $dist_y = $thickness * (cos($angle)); $p1x = ceil(($startX + $dist_x)); $p1y = ceil(($startY + $dist_y)); $p2x = ceil(($endX + $dist_x)); $p2y = ceil(($endY + $dist_y)); $p3x = ceil(($endX - $dist_x)); $p3y = ceil(($endY - $dist_y)); $p4x = ceil(($startX - $dist_x)); $p4y = ceil(($startY - $dist_y)); $array = array(0=>$p1x, $p1y, $p2x, $p2y, $p3x, $p3y, $p4x, $p4y); imagefilledpolygon($img, $array, (count($array)/2), $colour); } </body></html> If you are not familier with this. Please see the following... I am using this http://thomasjbradley.ca/lab/signature-pad/ I am then trying to make it a png by using this... http://thomasjbradley.ca/lab/signature-to-image/ When you go into the first link.. Please go into the examples foolder and look at the file called full-window.html That is the one i am trying to use. It does not have a submit button which is weird and I had to add one. But its not working and that is my problem.