function pChart::drawTreshold in Visitors 7.0

Same name and namespace in other branches

1. 8 pchart/pChart.inc \pChart::drawTreshold()

File

pchart/pChart.inc, line 674

Class

pChart

Code

function drawTreshold($Value, $R, $G, $B, $ShowLabel = FALSE, $ShowOnRight = FALSE, $TickWidth = 4) {
  if ($R < 0) {
    $R = 0;
  }
  if ($R > 255) {
    $R = 255;
  }
  if ($G < 0) {
    $G = 0;
  }
  if ($G > 255) {
    $G = 255;
  }
  if ($B < 0) {
    $B = 0;
  }
  if ($B > 255) {
    $B = 255;
  }
  $C_TextColor = imagecolorallocate($this->Picture, $R, $G, $B);
  $Y = $this->GArea_Y2 - ($Value - $this->VMin) * $this->DivisionRatio;
  if ($Y <= $this->GArea_Y1 || $Y >= $this->GArea_Y2) {
    return -1;
  }
  if ($TickWidth == 0) {
    $this
      ->drawLine($this->GArea_X1, $Y, $this->GArea_X2, $Y, $R, $G, $B);
  }
  else {
    $this
      ->drawDottedLine($this->GArea_X1, $Y, $this->GArea_X2, $Y, $TickWidth, $R, $G, $B);
  }
  if ($ShowLabel) {
    if ($ShowOnRight) {
      imagettftext($this->Picture, $this->FontSize, 0, $this->GArea_X2 + 2, $Y + $this->FontSize / 2, $C_TextColor, $this->FontName, $Value);
    }
    else {
      imagettftext($this->Picture, $this->FontSize, 0, $this->GArea_X1 + 2, $Y - $this->FontSize / 2, $C_TextColor, $this->FontName, $Value);
    }
  }
}