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<?php |
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/** Created by Gorlum 08.01.2024 19:57 */ |
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namespace Tools; |
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require_once __DIR__ . '/SpriteLine.php'; |
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require_once __DIR__ . '/ImageFile.php'; |
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require_once __DIR__ . '/ImageContainer.php'; |
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use ImageFile; |
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class Sprite { |
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const LAYOUT_LINE = 0; |
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const LAYOUT_COLUMN = 1; |
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const LAYOUT_SQUARE = 'square'; |
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const LAYOUT_BTREE = 'btree'; |
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/** @var SpriteLine[] $lines */ |
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public $lines = []; |
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protected $gridSize = 0; |
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protected $lineIndex = 0; |
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protected $columnIndex = 0; |
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protected $height = 0; |
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protected $width = 0; |
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/** @var ImageContainer|null $image */ |
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public $image = null; |
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public function __construct($gridSize = 0) { |
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if ($gridSize < 1) { |
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$gridSize = 1; |
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} |
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$this->gridSize = $gridSize; |
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} |
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/** |
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* @param ImageFile[] $images |
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* |
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* @return static |
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* |
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* @noinspection PhpUnusedParameterInspection |
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*/ |
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public static function createGridSquare($images, $layout) { |
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$gridSize = ceil(sqrt(count($images))); |
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usort($images, function (ImageFile $a, ImageFile $b) { return $b->height - $a->height; }); |
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$sprite = new static($gridSize); |
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foreach ($images as $image) { |
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$sprite->addToGrid($image); |
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} |
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return $sprite; |
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} |
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/** |
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* @param ImageFile $imageFile |
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* |
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* @return void |
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*/ |
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public function addToGrid($imageFile) { |
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// This is first image in row |
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if (empty($this->lines[$this->lineIndex])) { |
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$this->lines[$this->lineIndex] = new SpriteLine(); |
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} |
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$this->lines[$this->lineIndex]->addImage($imageFile); |
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if ($this->lines[$this->lineIndex]->getImageCount() >= $this->gridSize) { |
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$this->lineIndex++; |
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} |
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} |
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/** |
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* @return void |
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*/ |
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public function imageReset() { |
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if (!empty($this->image)) { |
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unset($this->image); |
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} |
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$this->image = ImageContainer::create($this->width, $this->height); |
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} |
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/** |
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* @param $scaleToPx |
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*/ |
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public function renderLines($scaleToPx) { |
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$this->width = $this->height = 0; |
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// Generating lines and calculating line sizes |
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foreach ($this->lines as $line) { |
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$line->generate($this->height, $scaleToPx); |
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$this->height += $line->height; |
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$this->width = max($this->width, $line->width); |
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// $line->image2->savePng($dirOut . count($breakpoints) . '.png'); // TODO remove debug |
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} |
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} |
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/** |
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* @param int $scaleToPx |
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* |
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* @return ImageContainer|null |
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*/ |
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public function generate($scaleToPx) { |
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$this->renderLines($scaleToPx); |
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// Recreating main sprite image with new width and height |
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$this->imageReset(); |
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// Generating final sprite |
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$position = 0; |
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foreach ($this->lines as $line) { |
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$this->image->copyFrom($line->image, 0, $position); |
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$position += $line->height; |
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} |
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return $this->image; |
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} |
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/** |
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* @param $scaleToPx |
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* |
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* @return string %3$s - $outName, %4$s - $relativeUrl |
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*/ |
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public function generateCss($scaleToPx) { |
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$css = ''; |
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foreach ($this->lines as $line) { |
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$css .= $line->css; |
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} |
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return ".%3\$s{background-image: url('%4\$s%3\$s.png');display: inline-block;" . |
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($scaleToPx > 0 ? "transform-origin: top left;" : "") . |
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"}\n" . $css; |
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} |
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} |
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supernova-ws /
SuperNova
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