/**
* {@inheritdoc}
*/
protected function doApply(CanvasInterface $canvas)
{
$width = $canvas->getWidth();
$height = $canvas->getHeight();
$copy = new \Jaguar\Canvas($canvas->getDimension());
$srcBox = null;
$destBox = null;
switch ($this->getDirection()) {
case self::FLIP_VERTICAL:
$srcBox = new Box(new Dimension($width, -$height), new Coordinate(0, $height - 1));
$destBox = new Box(new Dimension($width, $height), new Coordinate(0, 0));
break;
case self::FLIP_HORIZONTAL:
$srcBox = new Box(new Dimension(-$width, $height), new Coordinate($width - 1, 0));
$destBox = new Box(new Dimension($width, $height), new Coordinate(0, 0));
break;
case self::FLIP_BOTH:
$srcBox = new Box(new Dimension(-$width, -$height), new Coordinate($width - 1, $height - 1));
$destBox = new Box(new Dimension($width, $height), new Coordinate(0, 0));
break;
}
$copy->paste($canvas, $srcBox, $destBox);
$canvas->destroy();
$canvas->setHandler($copy->getHandler());
}
/**
* {@inheritdoc}
*/
protected function doGenerate(CanvasInterface $canvas)
{
$width = $canvas->getWidth();
$height = $canvas->getHeight();
$n = sqrt(pow($width, 2) + pow($height, 2));
$arc = new Arc(null, new Coordinate($width / 2, $height / 2));
$arc->fill(true);
for ($i = 0; $i < $n; $i += $this->getStep() + 1) {
$arc->getDimension()->resize($n - $i, $n - $i);
$arc->setColor($this->getColor($i / $n))->draw($canvas);
}
}
/**
* {@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)
{
$width = $canvas->getWidth();
$height = $canvas->getHeight();
$ry = $height > $width ? 1 : $width / $height;
$rx = $width > $height ? 1 : $height / $width;
$n = min($width, $height);
$poly = new Polygon();
$poly->fill(true);
for ($i = 0; $i < $n; $i += $this->getStep() + 1) {
$coordinates = array(new Coordinate($width / 2, $i * $rx - 0.5 * $height), new Coordinate($i * $ry - 0.5 * $width, $height / 2), new Coordinate($width / 2, 1.5 * $height - $i * $rx), new Coordinate(1.5 * $width - $i * $ry, $height / 2));
$poly->setCoordinate(new \ArrayObject($coordinates))->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);
}
}
/**
* {@inheritdoc}
*/
protected function doApply(CanvasInterface $canvas)
{
$width = $canvas->getWidth();
$height = $canvas->getHeight();
$mirrorPoint = null;
$srcBox = null;
$destBox = null;
switch ($this->getdirection()) {
case self::MIRROR_VERTICAL:
$mirrorPoint = $width / 2;
$srcBox = new Box(new Dimension(-$mirrorPoint, $height), new Coordinate($mirrorPoint - 1, 0));
$destBox = new Box(new Dimension($mirrorPoint, $height), new Coordinate($mirrorPoint, 0));
break;
case self::MIRROR_HORIZONTAL:
$mirrorPoint = $height / 2;
$srcBox = new Box(new Dimension($width, -$mirrorPoint), new Coordinate(0, $mirrorPoint - 1));
$destBox = new Box(new Dimension($width, $mirrorPoint), new Coordinate(0, $mirrorPoint));
break;
}
$canvas->paste($canvas, $srcBox, $destBox);
}
/**
* {@inheritdoc}
*/
protected function doApply(CanvasInterface $canvas)
{
$width = $canvas->getWidth();
$height = $canvas->getHeight();
$line = new Line();
$line->setColor($this->getColor());
for ($x = 1; $x <= $width; $x += $this->getSize()) {
$line->getStart()->move($x, 0);
$line->getEnd()->move($x, $height);
$line->draw($canvas);
}
for ($y = 1; $y <= $height; $y += $this->getSize()) {
$line->getStart()->move(0, $y);
$line->getEnd()->move($width, $y);
$line->draw($canvas);
}
}
/**
* {@inheritdoc}
*/
protected function doApply(CanvasInterface $canvas)
{
$c1 = clone $this->getFirstColor();
$c2 = clone $this->getSecondColor();
$line = new Line();
$width = $canvas->getWidth();
$height = $canvas->getHeight();
for ($i = 0; $i < $this->getWidth(); $i++) {
$alpha = round($i / $this->getWidth() * 127);
$c1->setAlpha($alpha);
$c2->setAlpha($alpha);
$line->setStart(new Coordinate($i, $i + 1))->setEnd(new Coordinate($i, $height - $i - 1))->setColor($c1)->draw($canvas)->setStart(new Coordinate($i, $i))->setEnd(new Coordinate($width - $i, $i))->draw($canvas)->setStart(new Coordinate($width - $i, $height - $i - 1))->setEnd(new Coordinate($width - $i, $i + 1))->setColor($c2)->draw($canvas)->setStart(new Coordinate($width - $i, $height - $i - 1))->setEnd(new Coordinate($i, $height - $i))->draw($canvas);
}
}
