/**
* Draw a polygon with a background
*
* @param mixed $background Background (can be a color or a gradient)
* @param Polygon A polygon
*/
public function filledPolygon($background, awPolygon $polygon)
{
$shape = new SWFShape();
if ($background instanceof awColor) {
list($red, $green, $blue, $alpha) = $this->getColor($background);
$shape->setRightFill($red, $green, $blue, $alpha);
} elseif ($background instanceof awGradient) {
list($flashGradient, $style) = $this->getGradient($background);
$fill = $shape->addFill($flashGradient, $style);
list($xMin, $xMax) = $polygon->getBoxXRange();
list($yMin, $yMax) = $polygon->getBoxYRange();
if ($background->angle === 0) {
$fill->scaleTo(($yMax - $yMin) / 1600);
} else {
$fill->scaleTo(($xMax - $xMin) / 1600);
}
$fill->moveTo($xMin + ($xMax - $xMin) / 2, $yMin + ($yMax - $yMin) / 2);
$shape->setRightFill($fill);
}
$points = $polygon->all();
$count = count($points);
if ($count > 1) {
$prev = $points[0];
$shape->movePenTo($prev->x, $prev->y);
for ($i = 1; $i < $count; $i++) {
$current = $points[$i];
$shape->drawLineTo($current->x, $current->y);
}
// Close the polygon
$shape->drawLineTo($prev->x, $prev->y);
$this->movie->add($shape);
}
}
private function drawFilledTriangleHorizontally(awGradient $gradient, awPolygon $polygon)
{
list($xMin, $xMax) = $polygon->getBoxXRange();
$this->init($gradient, $xMax - $xMin);
// Get the triangle line we will draw our lines from
$fromLine = NULL;
$lines = $polygon->getLines();
$count = count($lines);
// Pick the side of the triangle going all the way
// from the left side to the right side of the surrounding box
for ($i = 0; $i < $count; $i++) {
if ($lines[$i]->isLeftToRight($polygon)) {
list($fromLine) = array_splice($lines, $i, 1);
break;
}
}
// If for some reason the three points are aligned,
// $fromLine will still be NULL
if ($fromLine === NULL) {
return;
}
$fillLine = NULL;
for ($x = round($xMin); $x < round($xMax); $x++) {
$fromY = floor($fromLine->getYFrom($x));
$toY = array();
foreach ($lines as $line) {
$yValue = $line->getYFrom($x);
if (!is_null($yValue)) {
$toY[] = floor($yValue);
}
}
if (count($toY) === 1) {
$fillLine = new Line(new Point($x, $fromY), new Point($x, $toY[0]));
} else {
$line1 = new Line(new Point($x, $fromY), new Point($x, $toY[0]));
$line2 = new Line(new Point($x, $fromY), new Point($x, $toY[1]));
if ($line1->getSize() < $line2->getSize()) {
$fillLine = $line1;
} else {
$fillLine = $line2;
}
}
$color = $this->color($x - $xMin);
if ($fillLine->isPoint()) {
$this->driver->point($color, $fillLine->p1);
} elseif ($fillLine->getSize() >= 1) {
$this->driver->line($color, $fillLine);
}
unset($color);
}
}
/**
* Returns TRUE if the line is going all the way from the left side
* to the right side of the polygon surrounding box.
*
* @param $polygon Polygon A Polygon object
* @return bool
*/
public function isLeftToRight(awPolygon $polygon)
{
list($xMin, $xMax) = $polygon->getBoxXRange();
list($yMin, $yMax) = $polygon->getBoxYRange();
if ($this->isVertical()) {
return FALSE;
} else {
if ($this->p1->x < $this->p2->x) {
$left = $this->p1;
$right = $this->p2;
} else {
$left = $this->p2;
$right = $this->p1;
}
}
return $this->isOnBoxLeftSide($left, $yMin, $yMax, $xMin) and $this->isOnBoxRightSide($right, $yMin, $yMax, $xMax);
}
