New implementation of SetDrawColor, SetFillColor and SetTextColor for FPDF

SetColor.php

<?php
function SetDrawColor() {
  $args = func_get_args();
  if (count($args) and is_array($args[0])) {
    $args = $args[0];
  }

  switch (count($args)) {
    case 1:
      $this->DrawColor = sprintf('%.3f G', $args[0] / 100);
      break;
    case 3:
      $this->DrawColor = sprintf('%.3f %.3f %.3f RG', $args[0] / 255, $args[1] / 255, $args[2] / 255);
      break;
    case 4:
      $this->DrawColor = sprintf('%.3f %.3f %.3f %.3f K', $args[0] / 100, $args[1] / 100, $args[2] / 100, $args[3] / 100);
      break;
    default:
      $this->DrawColor = '0 G';
  }

  if ($this->page > 0) {
    $this->_out($this->DrawColor);
  }
}

public function SetFillColor () {
  $args = func_get_args();
  if (count($args) and is_array($args[0])) {
    $args = $args[0];
  }

  switch (count($args)) {
    case 1:
      $this->FillColor = sprintf('%.3f g', $args[0] / 100);
      break;
    case 3:
      $this->FillColor = sprintf('%.3f %.3f %.3f rg', $args[0] / 255, $args[1] / 255, $args[2] / 255);
      break;
    case 4:
      $this->FillColor = sprintf('%.3f %.3f %.3f %.3f k', $args[0] / 100, $args[1] / 100, $args[2] / 100, $args[3] / 100);
      break;
    default:
      $this->FillColor = '0 g';
  }

  $this->ColorFlag = ($this->FillColor != $this->TextColor);
  if ($this->page > 0) {
    $this->_out($this->FillColor);
  }
}

public function SetTextColor () {
  //Set color for text
  $args = func_get_args();
  if (count($args) and is_array($args[0])) {
    $args = $args[0];
  }

  switch (count($args)) {
    case 1:
      $this->TextColor = sprintf('%.3f g', $args[0] / 100);
      break;
    case 3:
      $this->TextColor = sprintf('%.3f %.3f %.3f rg', $args[0] / 255, $args[1] / 255, $args[2] / 255);
      break;
    case 4:
      $this->TextColor = sprintf('%.3f %.3f %.3f %.3f k', $args[0] / 100, $args[1] / 100, $args[2] / 100, $args[3] / 100);
      break;
    default:
      $this->TextColor = '0 g';
  }

  $this->ColorFlag = ($this->FillColor != $this->TextColor);
}