protected static function TextimageTextbox::rotatePoint in Textimage 7.3

Translate a point, by an offset and a rotation angle.

Parameters

int $x: x coordinate of the point

int $y: y coordinate of the point

float $angle: rotation angle

array $offset: offset array (x, y)

Return value

array array with x,y translated coordinates

1 call to TextimageTextbox::rotatePoint()

TextimageTextbox::rotateBoxPoints in classes/TextimageTextbox.inc

Rotate the box.

File

classes/TextimageTextbox.inc, line 170

Textimage - Font textbox management class.

Class

TextimageTextbox

Textimage - Font textbox management class.

Code

protected static function rotatePoint($x, $y, $angle, $offset = NULL) {
  $rad = deg2rad($angle);
  $sin = sin($rad);
  $cos = cos($rad);
  $tx = round($x * $cos + $y * -$sin) + ($offset ? $offset[0] : 0);
  $ty = round($y * $cos - $x * -$sin) + ($offset ? $offset[1] : 0);
  return array(
    $tx,
    $ty,
  );
}