TYPO3 / TYPO3.CMS

     * @return string The sharpening command, eg. " -sharpen 3x4

     * @see makeText(), IMparams(), v5_blur()

     */

    public function v5_sharpen($factor)

    {

        $factor = MathUtility::forceIntegerInRange(ceil($factor / 10), 0, 10);

        $sharpenArr = explode(',', ',' . $this->im5fx_sharpenSteps);

        $sharpenF = trim($sharpenArr[$factor]);

        if ($sharpenF) {

            return ' -sharpen ' . $sharpenF;

        }

        return '';

    }

    /**

     * Returns the IM command for blurring with ImageMagick 5.

     * @return string The blurring command, eg. " -blur 3x4

     * @see makeText(), IMparams(), v5_sharpen()

     */

    public function v5_blur($factor)

    {

        $factor = MathUtility::forceIntegerInRange(ceil($factor / 10), 0, 10);

        $blurArr = explode(',', ',' . $this->im5fx_blurSteps);

        $blurF = trim($blurArr[$factor]);

        if ($blurF) {

            return ' -blur ' . $blurF;

        }

        return '';

    }

    /**

     * Returns a random filename prefixed with "temp_" and then 32 char md5 hash (without extension).