Color
8 months ago
Eye
8 months ago
Image
8 months ago
Module
8 months ago
Path
8 months ago
RendererStyle
8 months ago
ImageRenderer.php
8 months ago
PlainTextRenderer.php
8 months ago
RendererInterface.php
8 months ago
ImageRenderer.php
153 lines
| 1 | <?php |
| 2 | declare(strict_types = 1); |
| 3 | |
| 4 | namespace BaconQrCode\Renderer; |
| 5 | |
| 6 | use BaconQrCode\Encoder\MatrixUtil; |
| 7 | use BaconQrCode\Encoder\QrCode; |
| 8 | use BaconQrCode\Exception\InvalidArgumentException; |
| 9 | use BaconQrCode\Renderer\Image\ImageBackEndInterface; |
| 10 | use BaconQrCode\Renderer\Path\Path; |
| 11 | use BaconQrCode\Renderer\RendererStyle\EyeFill; |
| 12 | use BaconQrCode\Renderer\RendererStyle\RendererStyle; |
| 13 | |
| 14 | final class ImageRenderer implements RendererInterface |
| 15 | { |
| 16 | /** |
| 17 | * @var RendererStyle |
| 18 | */ |
| 19 | private $rendererStyle; |
| 20 | |
| 21 | /** |
| 22 | * @var ImageBackEndInterface |
| 23 | */ |
| 24 | private $imageBackEnd; |
| 25 | |
| 26 | public function __construct(RendererStyle $rendererStyle, ImageBackEndInterface $imageBackEnd) |
| 27 | { |
| 28 | $this->rendererStyle = $rendererStyle; |
| 29 | $this->imageBackEnd = $imageBackEnd; |
| 30 | } |
| 31 | |
| 32 | /** |
| 33 | * @throws InvalidArgumentException if matrix width doesn't match height |
| 34 | */ |
| 35 | public function render(QrCode $qrCode) : string |
| 36 | { |
| 37 | $size = $this->rendererStyle->getSize(); |
| 38 | $margin = $this->rendererStyle->getMargin(); |
| 39 | $matrix = $qrCode->getMatrix(); |
| 40 | $matrixSize = $matrix->getWidth(); |
| 41 | |
| 42 | if ($matrixSize !== $matrix->getHeight()) { |
| 43 | throw new InvalidArgumentException('Matrix must have the same width and height'); |
| 44 | } |
| 45 | |
| 46 | $totalSize = $matrixSize + ($margin * 2); |
| 47 | $moduleSize = $size / $totalSize; |
| 48 | $fill = $this->rendererStyle->getFill(); |
| 49 | |
| 50 | $this->imageBackEnd->new($size, $fill->getBackgroundColor()); |
| 51 | $this->imageBackEnd->scale((float) $moduleSize); |
| 52 | $this->imageBackEnd->translate((float) $margin, (float) $margin); |
| 53 | |
| 54 | $module = $this->rendererStyle->getModule(); |
| 55 | $moduleMatrix = clone $matrix; |
| 56 | MatrixUtil::removePositionDetectionPatterns($moduleMatrix); |
| 57 | $modulePath = $this->drawEyes($matrixSize, $module->createPath($moduleMatrix)); |
| 58 | |
| 59 | if ($fill->hasGradientFill()) { |
| 60 | $this->imageBackEnd->drawPathWithGradient( |
| 61 | $modulePath, |
| 62 | $fill->getForegroundGradient(), |
| 63 | 0, |
| 64 | 0, |
| 65 | $matrixSize, |
| 66 | $matrixSize |
| 67 | ); |
| 68 | } else { |
| 69 | $this->imageBackEnd->drawPathWithColor($modulePath, $fill->getForegroundColor()); |
| 70 | } |
| 71 | |
| 72 | return $this->imageBackEnd->done(); |
| 73 | } |
| 74 | |
| 75 | private function drawEyes(int $matrixSize, Path $modulePath) : Path |
| 76 | { |
| 77 | $fill = $this->rendererStyle->getFill(); |
| 78 | |
| 79 | $eye = $this->rendererStyle->getEye(); |
| 80 | $externalPath = $eye->getExternalPath(); |
| 81 | $internalPath = $eye->getInternalPath(); |
| 82 | |
| 83 | $modulePath = $this->drawEye( |
| 84 | $externalPath, |
| 85 | $internalPath, |
| 86 | $fill->getTopLeftEyeFill(), |
| 87 | 3.5, |
| 88 | 3.5, |
| 89 | 0, |
| 90 | $modulePath |
| 91 | ); |
| 92 | $modulePath = $this->drawEye( |
| 93 | $externalPath, |
| 94 | $internalPath, |
| 95 | $fill->getTopRightEyeFill(), |
| 96 | $matrixSize - 3.5, |
| 97 | 3.5, |
| 98 | 90, |
| 99 | $modulePath |
| 100 | ); |
| 101 | $modulePath = $this->drawEye( |
| 102 | $externalPath, |
| 103 | $internalPath, |
| 104 | $fill->getBottomLeftEyeFill(), |
| 105 | 3.5, |
| 106 | $matrixSize - 3.5, |
| 107 | -90, |
| 108 | $modulePath |
| 109 | ); |
| 110 | |
| 111 | return $modulePath; |
| 112 | } |
| 113 | |
| 114 | private function drawEye( |
| 115 | Path $externalPath, |
| 116 | Path $internalPath, |
| 117 | EyeFill $fill, |
| 118 | float $xTranslation, |
| 119 | float $yTranslation, |
| 120 | int $rotation, |
| 121 | Path $modulePath |
| 122 | ) : Path { |
| 123 | if ($fill->inheritsBothColors()) { |
| 124 | return $modulePath |
| 125 | ->append($externalPath->translate($xTranslation, $yTranslation)) |
| 126 | ->append($internalPath->translate($xTranslation, $yTranslation)); |
| 127 | } |
| 128 | |
| 129 | $this->imageBackEnd->push(); |
| 130 | $this->imageBackEnd->translate($xTranslation, $yTranslation); |
| 131 | |
| 132 | if (0 !== $rotation) { |
| 133 | $this->imageBackEnd->rotate($rotation); |
| 134 | } |
| 135 | |
| 136 | if ($fill->inheritsExternalColor()) { |
| 137 | $modulePath = $modulePath->append($externalPath->translate($xTranslation, $yTranslation)); |
| 138 | } else { |
| 139 | $this->imageBackEnd->drawPathWithColor($externalPath, $fill->getExternalColor()); |
| 140 | } |
| 141 | |
| 142 | if ($fill->inheritsInternalColor()) { |
| 143 | $modulePath = $modulePath->append($internalPath->translate($xTranslation, $yTranslation)); |
| 144 | } else { |
| 145 | $this->imageBackEnd->drawPathWithColor($internalPath, $fill->getInternalColor()); |
| 146 | } |
| 147 | |
| 148 | $this->imageBackEnd->pop(); |
| 149 | |
| 150 | return $modulePath; |
| 151 | } |
| 152 | } |
| 153 |