EdgeIterator
8 months ago
DotsModule.php
8 months ago
ModuleInterface.php
8 months ago
RoundnessModule.php
8 months ago
SquareModule.php
8 months ago
DotsModule.php
64 lines
| 1 | <?php |
| 2 | declare(strict_types = 1); |
| 3 | |
| 4 | namespace BaconQrCode\Renderer\Module; |
| 5 | |
| 6 | use BaconQrCode\Encoder\ByteMatrix; |
| 7 | use BaconQrCode\Exception\InvalidArgumentException; |
| 8 | use BaconQrCode\Renderer\Path\Path; |
| 9 | |
| 10 | /** |
| 11 | * Renders individual modules as dots. |
| 12 | */ |
| 13 | final class DotsModule implements ModuleInterface |
| 14 | { |
| 15 | public const LARGE = 1; |
| 16 | public const MEDIUM = .8; |
| 17 | public const SMALL = .6; |
| 18 | |
| 19 | /** |
| 20 | * @var float |
| 21 | */ |
| 22 | private $size; |
| 23 | |
| 24 | public function __construct(float $size) |
| 25 | { |
| 26 | if ($size <= 0 || $size > 1) { |
| 27 | throw new InvalidArgumentException('Size must between 0 (exclusive) and 1 (inclusive)'); |
| 28 | } |
| 29 | |
| 30 | $this->size = $size; |
| 31 | } |
| 32 | |
| 33 | public function createPath(ByteMatrix $matrix) : Path |
| 34 | { |
| 35 | $width = $matrix->getWidth(); |
| 36 | $height = $matrix->getHeight(); |
| 37 | $path = new Path(); |
| 38 | $halfSize = $this->size / 2; |
| 39 | $margin = (1 - $this->size) / 2; |
| 40 | |
| 41 | for ($y = 0; $y < $height; ++$y) { |
| 42 | for ($x = 0; $x < $width; ++$x) { |
| 43 | if (! $matrix->get($x, $y)) { |
| 44 | continue; |
| 45 | } |
| 46 | |
| 47 | $pathX = $x + $margin; |
| 48 | $pathY = $y + $margin; |
| 49 | |
| 50 | $path = $path |
| 51 | ->move($pathX + $this->size, $pathY + $halfSize) |
| 52 | ->ellipticArc($halfSize, $halfSize, 0, false, true, $pathX + $halfSize, $pathY + $this->size) |
| 53 | ->ellipticArc($halfSize, $halfSize, 0, false, true, $pathX, $pathY + $halfSize) |
| 54 | ->ellipticArc($halfSize, $halfSize, 0, false, true, $pathX + $halfSize, $pathY) |
| 55 | ->ellipticArc($halfSize, $halfSize, 0, false, true, $pathX + $this->size, $pathY + $halfSize) |
| 56 | ->close() |
| 57 | ; |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | return $path; |
| 62 | } |
| 63 | } |
| 64 |