Some years ago I made something similar using :
At that time it worked.
le="color: #000000"><?php ///### script for the file that manage some items that use watermark image ## /// $storedir = '....'; // url for file store folder $storepath = '....'; // path for file store folder $moddir = 'yourModuleDirName'; if(isset($_POST['xoops_upload_file'])) { $fldname = $_FILES[$_POST['xoops_upload_file'][0]]; $fldname = (get_magic_quotes_gpc()) ? stripslashes($fldname['name']) : $fldname['name']; $ext = xoops_getExtension($fldname); // some function to read extension if(xoops_trim($fldname)!='') { // // some function to trim string $uploader = new XoopsMediaUploader($storepath, $allowed_mimetypes, $maxfilesize, $maxfilewidth, $maxfileheight); do $newname = xoops_makeRname(8, 'prefix_').".".$ext;// some function to make a random based file name while (file_exists($storedir.'/'.$newname)); $uploader->setTargetFileName($newname); if ($uploader->fetchMedia($_POST['xoops_upload_file'][0])) { if ($uploader->upload()) { $msg = 'File upload success<br />'; $success.= 'File name: '.$uploader->getSavedFileName().'<br />'; $success.= 'File path: '.$uploader->getSavedDestination(); // some code here to set the new name // make thumb xoops_ImageResize( $storepath."/".$newname, $storepath."/thumbs/".$newname, $xoopsModuleConfig['thumbw'], $xoopsModuleConfig['thumbh']); // resize image $imgwidth = $xoopsModuleConfig['maximgwidth']; $imgheight = $xoopsModuleConfig['maximgheight']; xoops_ImageResize( $storepath."/".$newname, $storepath."/".$newname, $imgwidth, $imgheight); // build watermark image $watermark = XOOPS_ROOT_PATH."/modules/".$moddir."/images/watermark.png"; xoops_ImageWatermark( $storepath."/".$newname, $watermark, "jpeg", "center", "center"); // .... code about data to be saved } // .... code about data to be saved } // .... code about data to be saved } // .... code about data to be saved } ///### functions used above ## /// function myModule_ImageWatermark( $original, $watermark, $save_as="jpeg", $h_position="center", $v_position="center"){ global $moddir, $xoopsModuleConfig; //$target = XOOPS_ROOT_PATH."/modules/".$moddir."/images/watermark/target.jpg"; $target = $original; $wm_size = '1'; $wmTarget = XOOPS_ROOT_PATH."/modules/".$moddir."/uploads/png_trans.tmp"; $disp_width_max = 150; // used when displaying watermark choices $disp_height_max = 80; // used when displaying watermark choices $edgePadding = 15; // used when placing the watermark near an edge $quality = 100; // used when generating the final image $origInfo = getimagesize($original); $origWidth = $origInfo[0]; $origHeight = $origInfo[1]; $waterMarkInfo = getimagesize($watermark); $waterMarkWidth = $waterMarkInfo[0]; $waterMarkHeight = $waterMarkInfo[1]; if($wm_size=='larger'){ $placementX = 0; $placementY = 0; $h_position = 'center'; $v_position = 'center'; $waterMarkDestWidth = $waterMarkWidth; $waterMarkDestHeight = $waterMarkHeight; if($waterMarkWidth > $origWidth*1.05 && $waterMarkHeight > $origHeight*1.05){ $wdiff = $waterMarkDestWidth - $origWidth; $hdiff = $waterMarkDestHeight - $origHeight; $sizer = ($wdiff > $hdiff) ? (($wdiff/$waterMarkDestWidth)-0.05) : (($hdiff/$waterMarkDestHeight)-0.05) ; $waterMarkDestWidth -= $waterMarkDestWidth * $sizer; $waterMarkDestHeight -= $waterMarkDestHeight * $sizer; } else{ $wdiff = $origWidth - $waterMarkDestWidth; $hdiff = $origHeight - $waterMarkDestHeight; $sizer = ($wdiff > $hdiff) ? (($wdiff/$waterMarkDestWidth)+0.05) : (($hdiff/$waterMarkDestHeight)+0.05); $waterMarkDestWidth += $waterMarkDestWidth * $sizer; $waterMarkDestHeight += $waterMarkDestHeight * $sizer; } } else{ $waterMarkDestWidth = round($origWidth * floatval($wm_size)); $waterMarkDestHeight = round($origHeight * floatval($wm_size)); if($wm_size==1){ $waterMarkDestWidth -= 2*$edgePadding; $waterMarkDestHeight -= 2*$edgePadding; } } myModule_resizePngImage( $watermark, $waterMarkDestWidth, $waterMarkDestHeight, $wmTarget); // make resized png $wmInfo = getimagesize($wmTarget); $waterMarkDestWidth = $wmInfo[0]; $waterMarkDestHeight = $wmInfo[1]; $differenceX = $origWidth - $waterMarkDestWidth; $differenceY = $origHeight - $waterMarkDestHeight; switch($h_position){ case 'left': $placementX = $edgePadding; break; case 'center': $placementX = round($differenceX / 2); break; case 'right': $placementX = $origWidth - $waterMarkDestWidth - $edgePadding; break; } switch($v_position){ case 'top': $placementY = $edgePadding; break; case 'center': $placementY = round($differenceY / 2); break; case 'bottom': $placementY = $origHeight - $waterMarkDestHeight - $edgePadding; break; } $resultImage = ($origInfo[2]==3) ?imagecreatefrompng($original) : imagecreatefromjpeg($original); imagealphablending($resultImage, TRUE); $finalWaterMarkImage = imagecreatefrompng($wmTarget); $finalWaterMarkWidth = imagesx($finalWaterMarkImage); $finalWaterMarkHeight = imagesy($finalWaterMarkImage); imagecopy( $resultImage, $finalWaterMarkImage, $placementX, $placementY, 0, 0, $finalWaterMarkWidth, $finalWaterMarkHeight); if($origInfo[2]==3){ imagealphablending( $resultImage, FALSE); imagesavealpha( $resultImage, TRUE); imagepng( $resultImage, $target, $quality); }else{ imagejpeg( $resultImage, $target, $quality); } imagedestroy($resultImage); imagedestroy($finalWaterMarkImage); unlink($wmTarget); } function xoops_resizePngImage( $img, $newWidth, $newHeight, $target){ $srcImage = imagecreatefrompng( $img ); if($srcImage == ''){ return FALSE; } $srcWidth = imagesx($srcImage); $srcHeight = imagesy($srcImage); $percentage = (double)$newWidth/$srcWidth; $destHeight = round($srcHeight*$percentage)+1; $destWidth = round($srcWidth*$percentage)+1; if($destHeight > $newHeight){ // if the width produces a height bigger than we want, calculate based on height $percentage = (double)$newHeight/$srcHeight; $destHeight = round($srcHeight*$percentage)+1; $destWidth = round($srcWidth*$percentage)+1; } $destImage = imagecreatetruecolor($destWidth-1,$destHeight-1); if(!imagealphablending($destImage,FALSE)){ return FALSE; } if(!imagesavealpha( $destImage, TRUE)){ return FALSE; } if(!imagecopyresampled( $destImage, $srcImage, 0, 0, 0, 0, $destWidth, $destHeight, $srcWidth, $srcHeight)){ return FALSE; } if(!imagepng($destImage,$target)){ return FALSE; } imagedestroy($destImage); imagedestroy($srcImage); return TRUE; }
Hope it helps.
