/**
* {@inheritdoc}
*/
protected function doGenerate(CanvasInterface $canvas)
{
$width = $canvas->getWidth();
$height = $canvas->getHeight();
$n = max($width, $height) / 2;
$rect = new Rectangle();
$rect->fill(true);
for ($i = 0; $i < $n; $i += $this->getStep() + 1) {
$rect->getStart()->move($i * $width / $height, $i * $height / $width);
$rect->getDimension()->resize($width - $i * $width / $height - $rect->getStart()->getX(), $height - $i * $height / $width - $rect->getStart()->getY());
$rect->setColor($this->getColor($i / $n))->draw($canvas);
}
}
/**
* {@inheritdoc}
*/
protected function doGenerate(CanvasInterface $canvas)
{
$n = $w = null;
if (self::GRADIENT_VERTICAL == $this->getType()) {
$n = $canvas->getHeight();
$w = $canvas->getWidth();
} else {
$w = $canvas->getHeight();
$n = $canvas->getWidth();
}
$rect = new Rectangle();
$rect->fill(true);
for ($i = 0; $i < $n; $i += $this->getStep() + 1) {
if (self::GRADIENT_VERTICAL == $this->getType()) {
$rect->getStart()->move(0, $i);
$rect->getDimension()->resize($w, $i + $this->getStep());
} else {
$rect->getStart()->move($i, 0);
$rect->getDimension()->resize($i + $this->getStep(), $w);
}
$rect->setColor($this->getColor($i / $n))->draw($canvas);
}
}
/**
* {@inheritdoc}
*/
protected function doApply(CanvasInterface $canvas)
{
$colors = array(new RGBColor(0, 0, 150, 100), new RGBColor(255, 0, 0, 100), new RGBColor(0, 0, 0, 100), new RGBColor(150, 0, 0, 100), new RGBColor(255, 204, 0, 100), new RGBColor(100, 100, 100, 100));
$width = round($canvas->getWidth() / 6);
$dimension = new Dimension($width, $canvas->getHeight());
$rect = new Rectangle($dimension);
$rect->fill(true);
for ($i = 0; $i < 6; $i++) {
$rect->getStart()->move($width * $i, 0);
$rect->setColor($colors[$i])->draw($canvas);
}
$actions = array(new Smooth(20), new Color\Contrast(35));
foreach ($actions as $action) {
$action->apply($canvas);
}
}