1
Zap_English
Watermark Hack for Xoops Core Imagemanager

Does anyone have this hack? The authors site seems to be dead

XOOPS Version XOOPS 2.5.8.1
PHP Version 7.0.32
mySQL Version 5.5.60-MariaDB

2
luciorota
Re: Watermark Hack for Xoops Core Imagemanager
  • 2019/1/3 10:24

  • luciorota

  • Module Developer

  • Posts: 213

  • Since: 2007/4/20


Hi
tell us more please

3
blindman
Re: Watermark Hack for Xoops Core Imagemanager
  • 2019/1/3 15:49

  • blindman

  • Not too shy to talk

  • Posts: 116

  • Since: 2005/6/26


Some years ago I made something similar using :
At that time it worked.
///### 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($resultImageTRUE);
    
    
$finalWaterMarkImage imagecreatefrompng($wmTarget);
    
$finalWaterMarkWidth imagesx($finalWaterMarkImage);
    
$finalWaterMarkHeight imagesy($finalWaterMarkImage);
    
    
imagecopy$resultImage$finalWaterMarkImage$placementX$placementY00$finalWaterMarkWidth$finalWaterMarkHeight);
    
    if(
$origInfo[2]==3){
        
imagealphablending$resultImageFALSE);
        
imagesavealpha$resultImageTRUE);
        
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$destImageTRUE)){
        return 
FALSE;
    }
    if(!
imagecopyresampled$destImage$srcImage0000$destWidth$destHeight$srcWidth$srcHeight)){
        return 
FALSE;
    }
    if(!
imagepng($destImage,$target)){
        return 
FALSE;
    }
    
imagedestroy($destImage);
    
imagedestroy($srcImage);
    return 
TRUE;
}

Hope it helps.

4
Zap_English
Re: Watermark Hack for Xoops Core Imagemanager

where did you insert the code?

5
blindman
Re: Watermark Hack for Xoops Core Imagemanager
  • 2019/1/4 17:47

  • blindman

  • Not too shy to talk

  • Posts: 116

  • Since: 2005/6/26


This wasn't a core modification. Was part of c custom module admin page for publishing article like stuff.
Into a page where you can add/edit/save/delete items we usually have a form for add/edit options, save if $op=='save', for example. There we can collect $_POST values from the form and save them in DB.
Well, there were the part with:
if(isset($_POST['xoops_upload_file'])) {

inside this loop I was using those functions.
The functions you can put into some function.php file that is always included.

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