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<?php |
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namespace SixtyNine\Cloud\Builder; |
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use Imagine\Gd\Font; |
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use Imagine\Image\Color; |
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use Imagine\Image\Point; |
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use SixtyNine\Cloud\Factory\FontsFactory; |
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use SixtyNine\Cloud\Factory\PlacerFactory; |
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use SixtyNine\Cloud\FontMetrics; |
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use SixtyNine\Cloud\FontSize\FontSizeGeneratorInterface; |
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use SixtyNine\Cloud\FontSize\LinearFontSizeGenerator; |
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use SixtyNine\Cloud\Model\Cloud; |
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use SixtyNine\Cloud\Model\CloudWord; |
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use SixtyNine\Cloud\Model\Word; |
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use SixtyNine\Cloud\Model\WordsList; |
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use SixtyNine\Cloud\Usher\Usher; |
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use Webmozart\Assert\Assert; |
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class CloudBuilder |
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{ |
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/** @var WordsList */ |
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protected $list; |
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/** @var int */ |
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protected $width = 800; |
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/** @var int */ |
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protected $height = 600; |
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/** @var string */ |
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protected $font; |
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/** @var string */ |
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protected $backgroundColor = '#ffffff'; |
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/** @var FontSizeGeneratorInterface */ |
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protected $sizeGenerator; |
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/** @var string */ |
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protected $placerName; |
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/** @var int */ |
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protected $minFontSize = 10; |
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/** @var int */ |
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protected $maxFontSize = 60; |
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/** @var FontsFactory */ |
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protected $fontsFactory; |
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/** @var bool */ |
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protected $precise = false; |
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protected function __construct(FontsFactory $fontsFactory) |
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{ |
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$this->fontsFactory = $fontsFactory; |
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} |
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/** |
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* @return CloudBuilder |
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*/ |
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public static function create(FontsFactory $fontsFactory) |
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{ |
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return new self($fontsFactory); |
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} |
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/** |
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* @param int $width |
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* @param int $height |
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* @return CloudBuilder |
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*/ |
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public function setDimension($width, $height) |
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{ |
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$this->width = $width; |
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$this->height = $height; |
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return $this; |
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} |
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public function setBackgroundColor($color) |
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{ |
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$this->backgroundColor = $color; |
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return $this; |
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} |
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public function setFont($name) |
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{ |
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$this->font = $name; |
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return $this; |
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} |
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public function setSizeGenerator(FontSizeGeneratorInterface $generator) |
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{ |
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$this->sizeGenerator = $generator; |
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return $this; |
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} |
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public function setFontSizes($minSize, $maxSize) |
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{ |
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$this->minFontSize = $minSize; |
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$this->maxFontSize = $maxSize; |
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return $this; |
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} |
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public function setPlacer($name) |
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{ |
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Assert::oneOf($name, PlacerFactory::getInstance()->getPlacersNames(), 'Placer not found: ' . $name); |
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$this->placerName = $name; |
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return $this; |
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} |
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public function setPrecise() |
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{ |
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$this->precise = true; |
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} |
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public function useList(WordsList $list) |
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{ |
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$this->list = $list; |
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return $this; |
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} |
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public function build() |
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{ |
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Assert::notNull($this->font, 'Font not set'); |
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$cloud = new Cloud(); |
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$cloud |
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->setFont($this->font) |
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->setWidth($this->width) |
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->setHeight($this->height) |
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->setBackgroundColor($this->backgroundColor) |
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; |
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if ($this->list) { |
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$this->addWords($cloud, $this->list); |
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$this->placeWords($cloud); |
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} |
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return $cloud; |
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} |
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protected function addWords(Cloud $cloud, WordsList $list) |
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{ |
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$words = $list->getWordsOrdered(); |
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$maxCount = $list->getWordsMaxCount(); |
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if (!$this->sizeGenerator) { |
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$this->sizeGenerator = new LinearFontSizeGenerator(); |
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} |
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/** @var Word $word */ |
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foreach ($words as $word) { |
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$cloudWord = new CloudWord(); |
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$cloudWord |
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->setCloud($cloud) |
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->setPosition(array(0, 0)) |
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->setSize($this->sizeGenerator->calculateFontSize($word->getCount(), $maxCount, $this->minFontSize, $this->maxFontSize)) |
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->setAngle($word->getOrientation() === Word::DIR_VERTICAL ? 270 : 0) |
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->setColor($word->getColor()) |
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->setText($word->getText()) |
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->setIsVisible(true) |
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; |
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$cloud->addWord($cloudWord); |
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} |
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return $this; |
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} |
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protected function placeWords(Cloud $cloud) |
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{ |
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$placer = $this->placerName |
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? PlacerFactory::getInstance()->getPlacer($this->placerName, $cloud->getWidth(), $cloud->getHeight()) |
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: PlacerFactory::getInstance()->getDefaultPlacer($cloud->getWidth(), $cloud->getHeight()) |
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; |
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$metrics = new FontMetrics($this->fontsFactory); |
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$usher = new Usher($cloud->getWidth(), $cloud->getHeight(), $placer, $metrics); |
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/** @var CloudWord $word */ |
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foreach ($cloud->getWords() as $word) { |
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$place = $usher->getPlace($word->getText(), $cloud->getFont(), $word->getSize(), $word->getAngle(), $this->precise); |
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$word->setIsVisible((bool)$place); |
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if ($place) { |
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$word->setBox($place); |
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$word->setPosition(array((int)$place->getX(), (int)$place->getY())); |
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} |
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} |
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} |
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} |
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sixty-nine /
php-cloud-lib
