[Mod] Image Annotation (Watermark)

[SLL]

Auto annotate images MOD for 4images - Image Gallery Management System.

Version:      1.4

Author:       Silly Little Lamer <sll@dalnet.ru>

Description:

This MOD automatically places a line of custom text, called "Annotation" on every image uploaded to the Gallery. Fully customizable: font type, size and color, shadow usage, offsets, annotation location, etc. "Batch Annotate" admin plug-in included, to annotate images, uploaded to your gallery before you installed this MOD.

Requirements:    

To use in text annotation mode: GD2+ Library compiled with Freetype support. Also works with ImageMagic, but GD still needed for some functions, which ImageMagic is missing.
For "image embedding" mode you don't need anything.

New in v.1.4

•   NetPBM support in both text and image embedding mode.
•   Media type check (applies annotation only on jpeg images); no ‘gif’ errors anymore. [/b]

New in v.1.31

•   You can choose the annotation method now: text annotation or embedded PNG image (logo, text, etc.). Image embedding (hopefully) works with ImageMagick even if GD library is not installed on your server. CP annotation settings are now separated from the Gallery Settings. Simplified MOD installation.

New in v.1.2

•   Misc. corrections (read 4images forum), code cleanup. Problem with *nix"rename" solved (hopefully".
•   Now checking if annotation text would fit image width, skipping if not.
•   Now you can use variables in the "annotation text" setting, which will be automatically replaced during annotation:
                   %N for Site Name , %H for full Site URL (http://www.mysite.com), %U for short Site URL (www.mysite.com)  
                   %S for User Name (image uploader name), %D for current date, %T for current time, %B to insert line break into annotation text.
[EDIT by V@no]
there is a bug in annotate.php so, either use single quotes around the variables above (i.e. '%N' or '%T') or do these changes: http://www.4homepages.de/forum/index.php?topic=13719.msg68084#msg68084
[/EDIT][/i]

New in v.1.1

•   Now you can customize both text and shadow colors and set alpha blending (text transparency) value for your annotation (thanks to V@no). Transparency using GD2 only!

Installation Level:    Easy
Installation Time:      10 Minutes

Files To Edit:       3

   /4images/member.php
/4images/admin/settings.php
   /4images/lang/english/admin.php

Before installing this MOD! (only if you going to use it in "text annotation mode")
Run this small code below (dont' forget to adjust font path). If you see black square with white text, than your system meets all neccessary requirements.

Code: [Select]

<?php
header ("Content-type: image/png");
$im = imagecreate (180, 30);
$black = imagecolorallocate ($im, 0, 0, 0);
$white = imagecolorallocate ($im, 255, 255, 255);
imagettftext ($im, 14, 0, 10, 21, $white, "/home/public_html/arial.ttf", "GD Freetype test");
imagepng ($im);
imagedestroy ($im);
?>
download: http://www.4homepages.de/forum/index.php?action=dlattach;topic=13719.0;attach=4186

If you get error when run batch_annotate.php

Warning: require(./../admin/admin_global.php) [function.require]: failed to open stream: No such file or directory in admin/plugins/batch_annotate.php on line 8
Fatal error: require() [function.require]: Failed opening required './../admin/admin_global.php' (include_path='.') in admin/plugins/batch_annotate.php on line 8

Then open batch_annotate.php
Find:
$root_path = (eregi("\/plugins\/", $PHP_SELF)) ? "./../../" : "./../";

Replace it with:
$root_path = "./../../";

The attached package already fixed.

[edwin]

Where can i see a demo of this MOD

[V@no]

try here:
http://come.no-ip.com/categories.php?cat_id=78

[SLL]

Cyrillic users only:

To be able to write annotations in Russian, add this function at the beginning of annotate.php

Code: [Select]

function CyrText($aTxt) {
$isostring = convert_cyr_string($aTxt, "w", "i");
for ($i=0; $i < strlen($isostring); $i++){
$thischar=substr($isostring,$i,1);
$charcode=ord($thischar);
$uniline.=($charcode>175) ? "&#" . (1040+($charcode-176)). ";" : $thischar;
}
return $uniline;
}


and after both lines: $ann_text = $config['annotation_text'];
add:

Code: [Select]

$ann_text = CyrText($ann_text);

[wenzel-orf]

Fatal error: imagecolorresolvealpha(): requires GD 2.0 or later in /homepages/7/d13364081/htdocs/4images/admin/plugins/batch_annotate.php on line 52

I can only use GD 1.62 - is there a way to use this script with 1.62?

Thx
Robert

[SLL]

I can only use GD 1.62 - is there a way to use this script with 1.62?

I can't check myself, but I don't think it will work... there's at least 3 functions used, which are from GD2. Anyway, I wouldn't recommend using this MOD with GD1 due to the miserable quality of resulting images. It's probably acceptable with thumbnails, but not with fullsize images.

[FreDyz]

I've got GD 2.0 with FreeType Support enabled (I can see this in phpinfo) but if I try test the server with the small code it doesn't work. I don't know if the problem is with font path: I've uploaded arial.ttf to the server and put the font path according this.... am I doing something bad?

[V@no]

make sure u did this:
http://www.4homepages.de/forum/viewtopic.php?t=4053&highlight=define+gd2

[FreDyz]

But that is for use GD in order to make thumbails, I've use GD for thumbails and it works fine in the server but the small code doesn't work.  

[V@no]

but did u do that?  
this mod REQUERED GD2.
making thubnails does not requered GD2, and if u dont do that changes, 4images wont use fully features of GD2

[FreDyz]

Yes I do that.

But I don't try to install the mod yet, I want to be sure that it will work, and for this reason I used the small test code to test the server, but this doesn't work. Will work the MOD?

[V@no]

ah now I understud what do u mean by "small code".
well, it might be because your GD doesnt support Freetype. did u check the links SLL provided?

[FreDyz]

Hmmm.... I thought that only GD2 with FreeType support was necessary but checking the links I see that a patch for GD is necessary too

Sorry for my questions without read well before  

[SLL]

Hmmm.... I thought that only GD2 with FreeType support was necessary but checking the links I see that a patch for GD is necessary too

This patch is not a "must", but with patched GD image quality is much better

[V@no]

I think the code that inserts in /member.php should be inserted BEFORE

Code: [Select]

    if (!$uploaderror) { not after

Code: [Select]

 if (create_thumbnail($src, $dest, $quality, $dimension, $resize_type)) {
     $new_thumb_name = $new_name;
because Annotation wont work if auto thumbnail not enabled in the settings.