118 lines
3.9 KiB
PHP
118 lines
3.9 KiB
PHP
<?php declare(strict_types=1);
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namespace App\Captcha\Images;
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use App\Captcha\Config\ImageBody as ImageBodyConfig;
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use App\Captcha\Contracts\ImageLines;
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use App\Captcha\Dto\Coordinators;
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use App\Captcha\Dto\Image as ImageDto;
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use App\Captcha\Dto\ImageBody as ImageBodyDto;
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use App\Captcha\Dto\Sector;
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use App\Captcha\Dto\Sectors;
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use App\Captcha\Dto\Symbols;
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use App\Captcha\Contracts\ImageBody;
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use App\Captcha\Enums\SymbolType;
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use App\Captcha\Contracts\ImageManager;
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final class Body implements ImageBody
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{
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public function __construct(
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private readonly ImageManager $imageManager,
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private readonly ImageLines $imageLines
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) { }
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public function processing(Symbols $symbols, ImageBodyConfig $config): ImageBodyDto
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{
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$image = $this->imageManager->createImage($config->getWidth(), $config->getHeight());
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$image->insertBackground($config->randomBackground());
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$imageData = match ($symbols->getType()) {
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SymbolType::String => $this->processingString($image, $symbols, $config),
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};
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$image = $imageData['image'];
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if ($config->getNumberLines() > 0) {
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$this->imageLines->processing(image: $image, colors: $config->getLineColors(), lines: $config->getNumberLines());
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}
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$image = new ImageDto(
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imageBase64: $image->encode(),
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width: $image->getWidth(),
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height: $image->getHeight()
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);
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return new ImageBodyDto(
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image: $image,
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coordinators: $imageData['coordinators']
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);
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}
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private function processingString(Image $image, Symbols $symbols, ImageBodyConfig $config): array
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{
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$sectors = $this->calculateSectors($symbols, $image->getWidth(), $image->getHeight());
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$coordinators = [];
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foreach ($symbols->getSuccess() as $number => $symbol) {
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$coordinators[] = $this->processingStringSymbol($image, $symbol, $config, $sectors->random());
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}
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if (!empty($symbols->getFakes())) {
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foreach ($symbols->getFakes() as $number => $symbol) {
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$this->processingStringSymbol($image, $symbol, $config, $sectors->random());
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}
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}
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return [
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'image' => $image,
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'coordinators' => $coordinators
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];
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}
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private function processingStringSymbol(Image &$image, string|int $symbol, ImageBodyConfig $config, Sector $sector): Coordinators
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{
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$fontSize = $config->fontSize();
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if ($fontSize > $sector->getHeight()) {
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$fontSize = $sector->getHeight();
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}
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$fontPathFile = $config->randomFont();
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$fontColor = $config->randomFontColor();
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$angle = $config->randomAngle();
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$marginLeft = mt_rand($sector->getX(), $sector->getX() + $sector->getWidth() - $fontSize);
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$marginTop = mt_rand($sector->getY(), $sector->getY() + $sector->getHeight() - $fontSize);
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return $image->addText(
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text: $symbol,
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x: $marginLeft,
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y: $marginTop,
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size: $fontSize,
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angle: $angle,
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hexColor: $fontColor,
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fontName: $fontPathFile
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);
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}
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private function calculateSectors(Symbols $symbols, int $width, int $height): Sectors
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{
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$points = count($symbols->getSuccess()) + count($symbols->getFakes());
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$sumFloors = 3;
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$sumRooms = ceil($points / $sumFloors);
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$heightFloor = floor($height / $sumFloors);
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$widthFloor = floor($width / $sumRooms);
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$sectors = new Sectors();
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for ($floor = 0; $floor < $sumFloors; $floor++) {
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$y = $heightFloor * $floor;
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for ($room = 0; $room < $sumRooms; $room++) {
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$sectors->add(
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x: ($widthFloor * $room),
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y: $y,
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width: $widthFloor,
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height: $heightFloor
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);
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}
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}
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return $sectors;
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}
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}
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