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<?php |
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namespace Barryvanveen\CCA\Generators; |
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use Barryvanveen\CCA\Config; |
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use Barryvanveen\CCA\Coordinate; |
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use Barryvanveen\CCA\State; |
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abstract class Image |
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{ |
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/** @var Config */ |
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protected $config; |
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/** @var array */ |
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protected $grid; |
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/** @var mixed */ |
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protected $image; |
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/** @var int[] */ |
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protected $colors; |
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protected function __construct(Config $config, State $state) |
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{ |
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$this->config = $config; |
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$this->grid = $state->toArray(); |
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$this->initImage(); |
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$this->initColors(); |
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$this->createImage(); |
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} |
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abstract public static function createFromState(Config $config, State $state); |
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protected function initImage() |
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{ |
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$this->image = imagecreatetruecolor($this->getImageWidth(), $this->getImageHeight()); |
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} |
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protected function getImageWidth(): int |
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{ |
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return $this->config->columns() * $this->config->imageCellSize(); |
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} |
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protected function getImageHeight(): int |
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{ |
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return $this->config->rows() * $this->config->imageCellSize(); |
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} |
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protected function initColors() |
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{ |
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$colors = Colors::getColors($this->config); |
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foreach ($colors as $color) { |
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$this->colors[] = imagecolorallocate($this->image, $color->getRed(), $color->getGreen(), $color->getBlue()); |
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} |
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} |
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protected function createImage() |
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{ |
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$this->fillBackground(); |
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for ($row = 0; $row < $this->config->rows(); $row++) { |
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for ($column = 0; $column < $this->config->columns(); $column++) { |
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$state = $this->getStateFromGrid($row, $column); |
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if ($state === 0) { |
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continue; |
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} |
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$this->fillCell($row, $column, $state); |
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} |
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} |
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} |
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protected function fillBackground() |
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{ |
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imagefilledrectangle( |
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$this->image, |
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0, |
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0, |
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$this->getImageWidth(), |
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$this->getImageHeight(), |
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$this->colors[0] |
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); |
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} |
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protected function getStateFromGrid(int $row, int $column): int |
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{ |
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$coordinate = new Coordinate($row, $column, $this->config->columns()); |
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return $this->grid[$coordinate->position()]; |
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} |
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protected function fillCell(int $row, int $column, int $state) |
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{ |
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list($x1, $y1) = $this->getCellTopLeft($row, $column); |
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list($x2, $y2) = $this->getCellBottomRight($row, $column); |
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$color = $this->getColorFromState($state); |
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imagefilledrectangle($this->image, $x1, $y1, $x2, $y2, $color); |
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} |
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protected function getCellTopLeft(int $row, int $column): array |
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{ |
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$x = $column * $this->config->imageCellSize(); |
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$y = $row * $this->config->imageCellSize(); |
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return [$x, $y]; |
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} |
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protected function getCellBottomRight(int $row, int $column): array |
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{ |
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list($x, $y) = $this->getCellTopLeft($row, $column); |
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$x += ($this->config->imageCellSize() - 1); |
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$y += ($this->config->imageCellSize() - 1); |
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return [$x, $y]; |
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} |
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protected function getColorFromState(int $state): int |
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{ |
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return $this->colors[$state]; |
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} |
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public function get() |
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{ |
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return $this->image; |
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} |
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abstract public function save(); |
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} |
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barryvanveen /
php-cca
