[TYPO3-dev] A problem using image manipulation in my own class file

[Martin Kutschker]

Tapio Markula schrieb:
> Martin Kutschker kirjoitti:
>> Tapio Markula schrieb:
>>> Hi
>>>
>>>
>>> I have
>>>
>>>
>>> require_once ( $t3lib_PATH . 'class.t3lib_stdgraphic.php' );
>>> class returnContent extends t3lib_stdGraphic {
>>>     function main() {
>>>
>>> ...
>>>
>>> }
>>> $content=returnContent::main();
>>>               
>>> $imgFile=t3lib_stdGraphic::imageMagickConvert($image,'jpg','270');
>>>
>>> Fatal error: Using $this when not in object context in
>>> /home/tapio/public_html/typo3_4.2.0dev/t3lib/class.t3lib_stdgraphic.php
>>> on line 2130
>>>
>>> if
>>>
>>> $imgFile=$this->imageMagickConvert($image,'jpg','270');
>>>
>>> Fatal error: Using $this when not in object context in
>>> /home/tapio/public_html/fileadmin/ext-templates/myincludes.inc on
>>> line 50
>>
>> You must instantiate your class with "new". stdGraphic is not designed
>> to be used with static method calls. Note also that stdGraphic has init
>> functions that need to be called first before you can access its other
>> methods.
> 
> tried in main function
> but
> $this->init() cause the "Fatal error" proble

Use the object in all places like this:

$myStuff = new returnContent();
$myStuff->main();

and
$myStuff->imageMagickConvert($image,'jpg','270');

etc

Don't mix class::method() with $object->method(). In case of stdGraphic:
forget t3lib_stdGraphic::method().

Masi