Lines Matching refs:formula

44      * @param int $size font-size for the formula
63          Detects if the formula image already exists in the $dirImg cache directory.
85      * Creates the formula image (if the image is not in the cache) and returns the <img src=...></img> html code.
87      * @param string $text the formula
105      * Creates an image for the given formula at the given place
107      * @param string $text the formula
113         $formula = new MathExpression($this->helper->tableExpression(trim($text)), $this->helper);
114         $formula->draw($this->size);
117         $v = 1000 - imagesy($formula->image) + $formula->verticalBased + 3;
119         imagepng($formula->image, $file);