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Hanna Code

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Hi,

first of all: I think the addition of this particular module is great! I can think of quite a few itches I could scratch with that.

Something I've been wondering about: How would I go about accessing specific repeater fields with the Hanna Code.

Say for example I have a repeater including a Text field, a Date and a Price.

I'd fill the text Field with

Come on the [[date]], bring [[price]]$ in small used bills. Thank you for your cooperation.

The frontend should obviously render this as

Come on the 4th of July, bring 50$ in small used bills. Thank you for your cooperation.

If Text, Date and Price where just page fields, this would be pretty obvious. However for them being fields inside a repeater I think there's something like the jQuery siblings selector needed, but I don't see anything like that in the api documentation.

Any input on this would be very much appreciated :-)

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Is there any way to get Hanna code to render within Hanna code?

I've got two tags.

[[tooltip]] and [[info]]

What I'm trying to do is this:

[[tooltip text="[[info]]" tooltip="test"]]

And then using the following snippet within the [[tooltip]] hanna code:

$hanna = wire('modules')->get('TextformatterHannaCode');
echo "<a class='tooltip' href='#' title='{$tooltip}'>".$hanna->render($text)."</a>";

This doesn't seem to be working unfortunately. Any ideas on how to make this work?

[[info]] just echos out an img tag.

Cheers

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@Sinmok,

From your example you are trying to add a tooltip.   I don't know what front-end framework you are working with on your website, however with Zurb Foundation 4 you can do a tooltip using Hanna Code as follows:

<span data-tooltip class="has-tip" title="Tooltips are awesome, you should totally use them!">extended information</span>

Your Type would be Text/HTML.

Then you just add the Hanna Code in a field that supports Hanna Code.

This may not answer your specific request for having Hanna Code within Hanna Code, but it does show how a tooltip can be added using Hanna Code.  Good Day.

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This turned out to be an issue with the order of variables returned by core TemplateFile::getArray. It was doing an array_merge which gave preference to API variables, preventing them from being overwritten. Maybe that's a good thing in general, but I don't think we want that limitation. I went ahead and changed it in dev. Now it gives preference to local variables, which enables Hanna Code to provide the behavior it was supposed to. 

I think I've found another issue related to the use of $page in a Hanna code: if the field containing the hanna code is in a repeater, $page seems to point to something internal to the repeater instead of pointing to the page containing the repeater field.

Example with a hanna code echoing the page id:

// in a field directly in the home page
echo $page->id;
--> 1

// in the field from a repeater on the same home page
echo $page->id;
--> 1060

From what I understand by looking at the repeater module source code, repeaters are implemented with pages. So the observed behavior is probably a side effect of this.

Any idea of how to fix this ? 

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@jean-luk

Yes repeaters are in fact internal pages, so doing the following should help (not tested):

if ($page instanceof RepeaterPage) {

$id = $page->parent->id;

} else {

$id = $page->id;

} 

echo $id;
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@slkwrm
 
Thanks for the hint.
 
Actually it turns out that the repeater page's parent is not the page where the repeater field is, but this page can be got by calling the method getForPage. So the correct code is:

$containerPage = $page;
if ($page instanceof RepeaterPage) {
   $containerPage = $page->getForPage();
}

// can be checked with
echo $containerPage->id;

I added this container page calculation at the right place (I hope!) in TextformatterHannaCode.module and the repeater field case now seems to work for hanna codes.
 

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Finally I'm not sure about the best way of handling this hanna-code-inside-reapeater-field case…
 
On one hand, a naive hanna code writer like myself would expect $page to refer to the user-visible field container page;
 
On the other hand, having a reference to the current "repeater page" can be useful in many cases, like this one:

Something I've been wondering about: How would I go about accessing specific repeater fields with the Hanna Code.
[...]
 
If Text, Date and Price where just page fields, this would be pretty obvious. However for them being fields inside a repeater I think there's something like the jQuery siblings selector needed, but I don't see anything like that in the api documentation.
 
Any input on this would be very much appreciated  :-)

 
Maybe a solution would be to have two different PHP variables accessible from within the hanna code, where the one referring to the repeater page would be null if the current field is not part of a repeater.
 
Easy to implement, but, as always, not so easy to keep it consistent with the rest of the PW API. 
 
Ryan, your opinion about this?

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Got a feeling this is a server issue but I'm getting an error I can't seem to recover from after saving a simple HTML code:

Method Sanitizer::entities does not exist or is not callable in this context

I can't even load the Hanna Code config screen - even if I try to ununstall/install it again. It hasn't written any files to /site/assets/cache/HannaCode/ either.

I'm running PW 2.2.9 on PHP version 5.2.17. Stuck! :)

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Marty, not sure why there is no sanitizer entities method there. Maybe we didn't have it in 2.2, I don't recall. Try replacing your wire/core/Sanitizer.php file with a fresh copy. It should be fine to take the one from 2.3 or 2.4.

Jean-luc, glad to see you found the getForPage method. This is exactly the way that repeater pages are meant to refer to their containing page, whether in a Hanna code or elsewhere.

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Perhaps this has come up already in this thread, haven't read it all, and I don't want to be a nay-sayer, but if it's primarily aimed at super users i.e. us devs, why have a GUI at all? Why not leave out the whole visual stuff and have HannaCode parse the text and search for template files (or template file in a subdir like templates/hanna) with the HannaCode name.

[[my-hanna foo=bar]] looks for templates/hanna/my-hanna.php and passes the params like with any other regular template. This way we can edit our hanna-codes in our IDE or text editor of choice with all the highlighting and we can push it into version control, no need to fiddle around with exports or imports between installations.

Am I missing something?

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@owzim, just throwing in some possible reasons:

  • Not all superusers are developers. Whether or not that's a good thing, Hanna Code allows people with no access to actual code to add features that would normally require such an access -- or at least some way to edit files on disk.
  • It's not just about PHP code. Tiny snippets of random HTML or JS can be easily added without having to add files for those too.
  • Hanna Code provides easy way to quickly sketch and test code snippets you're not going to need in the longer term. This is also handy when working in an environment where same site exists on multiple locations sharing database but not code (in which case moving a snippet of code in disk from one location to another would typically require extra steps).

That being said, I really believe that Hanna Code would benefit from more fine-grained access management.

This could mean three different permissions: hanna-code-html, hanna-code-javascript and hanna-code-php. Or perhaps just two -- hanna-code to add all sorts of snippets and another, limited permission for creating only HTML + JS snippets.

The way it is right now, I can't imagine giving a client access to creating their own Hanna Code snippets, but if it allowed me to limit that access to less destructive features this module would have a lot more potential.

Edit: almost forgot to mention that of course you could already add the sort of thing you're talking about, though the syntax would be slightly different (filename as a variable). GUI doesn't make that impossible and you don't really have to use it unless you want to :)

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...sorry don't read the whole threat, too

short questions about HannaCode:

-> Is ther a Overview/Post with contributed examples for "Hannas"

-> If yes who can i contribute

i've got a few of this little helpers from another system (the CMS Argos and i used and contributed before find PW) there was an Admintool that's called "Droplets". There exists a "Dropletgallery" and we had a WYSIWYG Plugin for choose one for the editor to use.

Best Regards mr-fan


Example for a "dropletCode" could this used in Hanna as it is or need special threatment or changes...

//:genQR creates QR Codes with google Charts API
//:Use: [[genQR?size=150&link=http://what-ever.com]]
 
 Parameters:
 $size - default is 200 px
 $link - default if nothing set is google.com
 
if ( !isset($size) ){    $size = 200; };
$width = $size;
$height = $size;
if ( !isset($link) ){ $link = "http://google.com"; };
$url = urlencode(".$link."); 
return "<img src=\"http://chart.googleapis.com/chart?chs={$width}x{$height}&cht=qr&chl=$url\" />";

just for the starting point - i've more like this to share if it's usefull :rolleyes:


a starting point coudl even be a gist repo?

post-2327-0-26193400-1401426363_thumb.jp

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Perhaps this has come up already in this thread, haven't read it all, and I don't want to be a nay-sayer, but if it's primarily aimed at super users i.e. us devs, why have a GUI at all? Why not leave out the whole visual stuff and have HannaCode parse the text and search for template files (or template file in a subdir like templates/hanna) with the HannaCode name.

[[my-hanna foo=bar]] looks for templates/hanna/my-hanna.php and passes the params like with any other regular template. This way we can edit our hanna-codes in our IDE or text editor of choice with all the highlighting and we can push it into version control, no need to fiddle around with exports or imports between installations.

Am I missing something?

@ozwim - not sure if you already know about this, but i follow Soma's suggestion and have a folder called 'hannas' and then keep all the hanna codes there; and then using this in the hanna code itself:

include($config->paths->templates . "hannas/some-hanna-code.php");

@mr-fan - that's great - we should try and setup a place to share hanna codes... maybe github? I have a lot of examples also

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@teppo, good points I haven't yet considered, perhaps partly because I don't know jack about that Hana Code Insert WP Plugin. I don't use WP :)

@Marcura, @Soma great one!

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Mr-fan, you're right, the PW Hanna system seems to be very like the "WB-droplets" we are familiar with, coming from WebsiteBaker. There is even an integration with the editor, called HannaCodeHelper. Check it out in the Modules repo.

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Ok first try seems to work with given atr in Hanna Code like:

[[genQR size="400" link="http:\\google.com"]]

but the fallback option would be nice to have a QR Code from the current Link - May used for events or articles....

heres my code for first hanna experiments may i missed the wrong API handling??

<?php 

//:genQR creates QR Codes with google Charts API
//:Use: [[genQR?size=150&link=http://what-ever.com]]
//
// Parameters:
// $size - default is 200 px
// $link - default if nothing set is google.com
 
if ( !isset($size) ){    $size = 200; };
$width = $size;
$height = $size;
if ( !isset($link) ){ $link = $page->httpUrl; };

echo "<img src=\"http://chart.googleapis.com/chart?chs={$width}x{$height}&cht=qr&chl=$link\" />";
//  to testing link url echo "<p>$link</p>";

like written it works with a link="some.link" and if not it doesn't take the current url $page->httpUrl;
:(

for a repo would be a cool place to have something like a hanna code gallery or overview of some snippets...??

like in our old system (argos and mine) there was a snippetgallery for this: http://www.websitebakers.com/pages/droplets/official-library.php

maybe there is some inspriation for PW HannaCode or if i getting more familiar with PW i can port some for usage with PW.

Best Regards mr-fan

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To make PW more user friendly (especially for non-coders) I think it would be best to create a Hannacode subsection in the Modules section on the regular PW site. Personally I think regular users should not be send to some Github page, as it is far too technical, intimidating, and therefore unfriendly environment for non-coders. Hannacodes are (as far as I can tell, as a newer than new newbie) ready to use code snippets and as such could be offered on the regular site.

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By the way, what's the difference between Hannacodes and shortcodes?

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like written it works with a link="some.link" and if not it doesn't take the current url $page->httpUrl;

I am not quite sure whether you are having problems with your code working or not. It works perfectly for me if I don't define a link - it defaults to the current page and if I do define it goes to that link. Can you tell us exactly what isn't working and what the link is instead?

By the way, what's the difference between Hannacodes and shortcodes?

Effectively they are/do the same thing. I think Ryan got the name and inspiration from WP's Hana code.

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There is a Export/Import so here comes my first HannaCode that works for me....please test and give some feedback if it is helpfull or not and if there some issues like i'm no really good at PHP (I'm willing to learn and listen to pros...;)

!HannaCode:lorem: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/!HannaCode

as far as i understand copy this in the import field of the HannCode Module.

Best Regards mr-fan

@Argos: PW is much more Coding like our older System but for the frontend it isn't that hard to use it seems to me. For the Frontend it depends an procedural Coding combining with the PW API it's really amazing - Backend and process are mostly OOP PHP and a little bit more devwork

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I am not quite sure whether you are having problems with your code working or not. It works perfectly for me if I don't define a link - it defaults to the current page and if I do define it goes to that link. Can you tell us exactly what isn't working and what the link is instead?

Effectively they are/do the same thing. I think Ryan got the name and inspiration from WP's Hana code.

so i don't know what is wrong:

[[genQR size="200" link="http:\\google.com"]]
[[genQR size="200"]]

and same code as above but with echo the $link give me a screen like this (second QR is emty with no $link is given)

(....system is PW 2.4 clean install with some testaddons and the basic-site profil)

thanks for take a look

post-2327-0-62607900-1401468082_thumb.jp

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I am at a loss for why it isn't working for you. Not that it matter, but here is a slightly cleaned up version of your code:

if (!isset($size)) $size = 200;
if (!isset($link)) $link = $page->httpUrl;

echo "<img src='http://chart.googleapis.com/chart?chs={$size}x{$size}&cht=qr&chl=$link' />";

You had unnecessary curly braces and extra semi-colons and also since these are square, there is no need to define the width and height separately. If you wanted you could even make it a one liner:

echo "<img src='http://chart.googleapis.com/chart?chs=" . (isset($size) ? $size : 200) ."x" . (isset($size) ? $size : 200) ."&cht=qr&chl=" . (isset($link) ? $link : $page->httpUrl) . "' />";

Although you do sacrifice a little readability.

One other quick thing - in your google.com example, you are using backslashes instead of forwardslashes - probably just a typo :)

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Effectively they are/do sthe same thing. I think Ryan got the name and inspiration from WP's Hana code.

I'm sorry, I wasn't clear enough. What I meant was, what is the difference between the modules "Hannacode" and "Shortcode"? These are two different shortcode type modules.

http://modules.processwire.com/modules/process-hanna-code/

http://modules.processwire.com/modules/markup-shortcodes/

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Oh right - sorry I misunderstood. Both provide similar functionality, although I haven't actually used Nico's shortcode module, so not completely sure on the differences. I guess my advice would be to experiment with both and see which best provides you the functionality you need.

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thanks for get into it adrian....so here is the next one...

//:Greeting: creates output depending on actual hour
//:Use: [[greeting]] (for eg on a headline)
 

!HannaCode:Greeting:eyJuYW1lIjoiR3JlZXRpbmciLCJ0eXBlIjoiMiIsImNvZGUiOiI8P3BocFxyXG5cclxuXC9cLzpHcmVldGluZzogY3JlYXRlcyBvdXRwdXQgZGVwZW5kaW5nIG9uIGFjdHVhbCBob3VyXHJcblwvXC86VXNlOiBbW2dyZWV0aW5nXV0gKGZvciBlZyBvbiBhIGhlYWRsaW5lKVxyXG5cclxuJEhvdXJPZkRheSA9IGRhdGUoXCJHXCIpO1xyXG5pZiAoJEhvdXJPZkRheSA8IDEyKSB7XHJcbiAgICBlY2hvICAnR29vZCBNb3JuaW5nJztcclxufSBlbHNlaWYgKCRIb3VyT2ZEYXkgPCAxOCkge1xyXG4gICAgZWNobyAnR29vZCBBZnRlcm5vb24nO1xyXG59IGVsc2Uge1xyXG4gICAgZWNobyAnR29vZCBFdmVuaW5nJztcclxufSJ9/!HannaCode

If it be ok - from the modside we could make a new Threat with only HannaCode Examples as Posts - i would sort them into groups in a first post? If this is welcome?

Best Regards mr-fan

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    • By horst
      ---------------------------------------------------------------------------------------------------------------------------------
        when working with PW version 2.6+, please use Pim2, not Pim!
        read more here  on how to change from the older to the newer version in existing sites
      ---------------------------------------------------------------------------------------------------------------------------------
      PageImage Manipulator, API for version 1 & 2

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      http://processwire.com/talk/topic/3278-core-imagemanipulation/


      ----------------------------------------------------------------------------------------------------------


      Page Image Manipulator - Methods

      * pimLoad  or  pim2Load, depends on the version you use!

      pimLoad($prefix, $param2=optional, $param3=optional)
      param 1: $prefix - (string) = mandatory! param 2: mixed, $forceRecreation or $options param 3: mixed, $forceRecreation or $options return: pim - (class handle) $options - (array) default is empty, see the next method for a list of valid options! $forceRecreation - (bool) default is false It check if the desired image variation exists, if not or if forceRecreation is set to true, it prepares all settings to get ready for image manipulation
      -------------------------------------------------------------------

      * setOptions

      setOptions(array $options)
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      valid options are:
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        outputFormat = 'gif' | 'jpg' | 'png' (Attention: outputFormat cannot be specified as global option in $config->imageManipulatorOptions!) set {singleOption} ($value)
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      -------------------------------------------------------------------

      * pimSave

      pimSave()
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      -------------------------------------------------------------------

      * release

      release()
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      -------------------------------------------------------------------

      * getOptions

      getOptions()
      return: associative array with all final option values example:
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      -------------------------------------------------------------------

      * getImageInfo

      getImageInfo()
      return: associative array with useful informations of source imagefile example:
      ["type"] string(3) "jpg" ["imageType"] int(2) ["mimetype"] string(10) "image/jpeg" ["width"] int(500) ["height"] int(331) ["landscape"] bool(true) ["ratio"] float(1.5105740181269) ["bits"] int(8) ["channels"] int(3) ["colspace"] string(9) "DeviceRGB" -------------------------------------------------------------------

      * getPimVariations

      getPimVariations()
      return: array of Pageimages Collect all pimVariations of this Pageimage as a Pageimages array of Pageimage objects. All variations created by the core ImageSizer are not included in the collection.
      -------------------------------------------------------------------

      * removePimVariations

      removePimVariations()
      return: pim - (class handle) Removes all image variations that was created using the PIM, all variations that are created by the core ImageSizer are left untouched!
      -------------------------------------------------------------------
      * width

      width($dst_width, $sharpen_mode=null)
      param: $dst_width - (integer) param: $auto_sharpen - (boolean) default is true was deleted with version 0.0.8, - sorry for breaking compatibility param: $sharpen_mode - (string) possible: 'none' | 'soft' | 'medium' | 'strong', default is 'soft' return: pim - (class handle) Is a call to resize where you prioritize the width, like with pageimage. Additionally, after resizing, an automatic sharpening can be done with one of the three modes.
      -------------------------------------------------------------------

      * height

      height($dst_height, $sharpen_mode=null)
      param: $dst_height - (integer) param: $auto_sharpen - (boolean) default is true was deleted with version 0.0.8, - sorry for breaking compatibility param: $sharpen_mode - (string) possible: 'none' | 'soft' | 'medium' | 'strong', default is 'soft' return: pim - (class handle) Is a call to resize where you prioritize the height, like with pageimage. Additionally, after resizing, an automatic sharpening can be done with one of the three modes.
      -------------------------------------------------------------------

      * resize

      resize($dst_width=0, $dst_height=0, $sharpen_mode=null)
      param: $dst_width - (integer) default is 0 param: $dst_height - (integer) default is 0 param: $auto_sharpen - (boolean) default is true was deleted with version 0.0.8, - sorry for breaking compatibility param: $sharpen_mode - (string) possible: 'none' | 'soft' | 'medium' | 'strong', default is 'soft' return: pim - (class handle) Is a call to resize where you have to set width and / or height, like with pageimage size(). Additionally, after resizing, an automatic sharpening can be done with one of the three modes.
      -------------------------------------------------------------------

      * stepResize

      stepResize($dst_width=0, $dst_height=0)
      param: $dst_width - (integer) default is 0 param: $dst_height - (integer) default is 0 return: pim - (class handle) this performs a resizing but with multiple little steps, each step followed by a soft sharpening. That way you can get better result of sharpened images.
      -------------------------------------------------------------------

      * sharpen

      sharpen($mode='soft')
      param: $mode - (string) possible values 'none' | 'soft'| 'medium'| 'strong' return: pim - (class handle) Applys sharpening to the current memory image. You can call it with one of the three predefined pattern, or you can pass an array with your own pattern.
      -------------------------------------------------------------------

      * unsharpMask

      unsharpMask($amount, $radius, $threshold)
      param: $amount - (integer) 0 - 500, default is 100 param: $radius - (float) 0.1 - 50, default is 0.5 param: $threshold - (integer) 0 - 255, default is 3 return: pim - (class handle) Applys sharpening to the current memory image like the equal named filter in photoshop.
      Credit for the used unsharp mask algorithm goes to Torstein Hønsi who has created the function back in 2003.
      -------------------------------------------------------------------

      * smooth

      smooth($level=127)
      param: $level - (integer) 1 - 255, default is 127 return: pim - (class handle) Smooth is the opposite of sharpen. You can define how strong it should be applied, 1 is low and 255 is strong.
      -------------------------------------------------------------------

      * blur

      blur()
      return: pim - (class handle) Blur is like smooth, but cannot called with a value. It seems to be similar like a result of smooth with a value greater than 200.
      -------------------------------------------------------------------

      * crop

      crop($pos_x, $pos_y, $width, $height)
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      -------------------------------------------------------------------

      * canvas

      canvas($width, $height, $bgcolor, $position, $padding)
      param: $width = mixed, associative array with options or integer, - mandatory! param: $height = integer, - mandatory if $width is integer! param: $bgcolor = array with rgb or rgba, - default is array(255, 255, 255, 0) param: $position = one out of north, northwest, center, etc, - default is center param: $padding = integer as percent of canvas length, - default is 0 return: pim - (class handle) This method creates a canvas according to the given width and height and position the memory image onto it.
      You can pass an associative options array as the first and only param. With it you have to set width and height and optionally any other valid param. Or you have to set at least width and height as integers.
      Hint: If you want use transparency with rgba and your sourceImage isn't of type PNG, you have to define 'png' as outputFormat with your initially options array or, for example, like this: $image->pimLoad('prefix')->setOutputFormat('png')->canvas(300, 300, array(210,233,238,0.5), 'c', 5)->pimSave()
      -------------------------------------------------------------------

      * flip

      flip($vertical=false)
      param: $vertical - (boolean) default is false return: pim - (class handle) This flips the image horizontal by default. (mirroring)
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      -------------------------------------------------------------------

      * rotate

      rotate($degree, $backgroundColor=127)
      param: $degree - (integer) valid is -360 0 360 param: $backgroundColor - (integer) valid is 0 - 255, default is 127 return: pim - (class handle) This rotates the image. Positive values for degree rotates clockwise, negative values counter clockwise. If you use other values than 90, 180, 270, the additional space gets filled with the defined background color.
      -------------------------------------------------------------------

      * brightness

      brightness($level)
      param: $level - (integer) -255 0 255 return: pim - (class handle) You can adjust brightness by defining a value between -255 and +255. Zero lets it unchanged, negative values results in darker images and positive values in lighter images.
      -------------------------------------------------------------------

      * contrast

      contrast($level)
      param: $level - (integer) -255 0 255 return: pim - (class handle) You can adjust contrast by defining a value between -255 and +255. Zero lets it unchanged, negative values results in lesser contrast and positive values in higher contrast.
      -------------------------------------------------------------------

      * grayscale

      grayscale()
      return: pim - (class handle) Turns an image into grayscale. Remove all colors.
      -------------------------------------------------------------------

      * sepia

      sepia()
      return: pim - (class handle) Turns the memory image into a colorized grayscale image with a predefined rgb-color that is known as "sepia".
      -------------------------------------------------------------------

      * colorize

      colorize($anyColor)
      param: $anyColor - (array) like css rgb or css rgba - but with values for rgb -255 - +255,  - value for alpha is float 0 - 1, 0 = transparent  1 = opaque return: pim - (class handle) Here you can adjust each of the RGB colors and optionally the alpha channel. Zero lets the channel unchanged whereas negative values results in lesser / darker parts of that channel and higher values in stronger saturisation of that channel.
      -------------------------------------------------------------------

      * negate

      negate()
      return: pim - (class handle) Turns an image into a "negative".
      -------------------------------------------------------------------

      * pixelate

      pixelate($blockSize=3)
      param: $blockSize - (integer) 1 - ??, default is 3 return: pim - (class handle) This apply the well known PixelLook to the memory image. It is stronger with higher values for blockSize.
      -------------------------------------------------------------------

      * emboss

      emboss()
      return: pim - (class handle) This apply the emboss effect to the memory image.
      -------------------------------------------------------------------

      * edgedetect

      edgedetect()
      return: pim - (class handle) This apply the edge-detect effect to the memory image.
      -------------------------------------------------------------------

      * getMemoryImage

      getMemoryImage()
      return: memoryimage - (GD-Resource) If you want apply something that isn't available with that class, you simply can check out the current memory image and apply your image - voodoo - stuff
      -------------------------------------------------------------------

      * setMemoryImage

      setMemoryImage($memoryImage)
      param: $memoryImage - (GD-Resource) return: pim - (class handle) If you are ready with your own image stuff, you can check in the memory image for further use with the class.
      -------------------------------------------------------------------

      * watermarkLogo

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      The easiest and best way I have discovered to apply a big transparency watermark to an image is as follows:
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      -------------------------------------------------------------------

      * watermarkLogoTiled

      watermarkLogoTiled($pngAlphaImage)
      param: $pngAlphaImage - mixed [systemfilepath or PageImageObject] to/from a PNG with transparency return: pim - (class handle) Here you have to pass a tile png with transparency (e.g. something between 150-300 px?) to your bigger images. It got repeated all over the memory image starting at the top left corner.
      -------------------------------------------------------------------

      * watermarkText

      watermarkText($text, $size=10, $position='center', $padding=2, $opacity=50, $trueTypeFont=null)
      param: $text - (string) the text that you want to display on the image param: $size - (integer) 1 - 100, unit = points, good value seems to be around 10 to 15 param: $position - (string) is one out of: N, E, S, W, C, NE, SE, SW, NW,
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      Please have a look to example output: http://processwire.com/talk/topic/4264-release-page-image-manipulator/page-2#entry41989
      -------------------------------------------------------------------





      PageImage Manipulator - Example Output


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      Warning: This module requires ProcessWire 3.0.167 which is above the current stable master release at the moment.
      Features
      All the things the module can do for you without any custom code: Create a new card on Trello whenever a page is added or published (you can select applicable templates). Configure the target board, target list, name and description for new cards. Add default labels and checklists to the card. Update the card whenever the page is updated (optional). When the status of the card changes (published / unpublished, hidden / unhidden, trashed / restored or deleted), move the card to a different list or archive or delete it (configurable). You can extend this through hooks in many ways: Modifiy when and how cards are created. Modify the card properties (Target board & list, title, description, et c.) before they are sent to Trello. Create your own workflows by utilizing an API helper class with many convenient utility methods to access the Trello API directly. Feedback & Future Plans
      Let me know what you think! In particular:
      If you find any bugs report them here or on Github, I'll try to fix them. This module was born out of a use-case for a client project where we manage new form submissions through Trello. I'm not sure how many use-cases there are for this module. If you do use it, tell me about it! The Trello API is pretty extensive, I'll try to add some more helper methods to the TrelloWireApi class (let me know if you need anything in particular). I'll think about how the module can support different workflows that include Twig – talk to me if you have a use-case! Next steps could be a dashboard to manage pages that are connected to a Trello card, or a new section in the settings tab to manage the Trello connection. But it depends on whether there is any interest in this 🙂 Links
      Repository on Github Complete module documentation (getting started, configuration & API documentation) TrelloWire in the modules directory Module configuration

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