diff options
Diffstat (limited to 'vendor/chillerlan/php-qrcode/src/Output/QRFpdf.php')
| -rw-r--r-- | vendor/chillerlan/php-qrcode/src/Output/QRFpdf.php | 150 |
1 files changed, 108 insertions, 42 deletions
diff --git a/vendor/chillerlan/php-qrcode/src/Output/QRFpdf.php b/vendor/chillerlan/php-qrcode/src/Output/QRFpdf.php index a15ae9ff3..8f2482cba 100644 --- a/vendor/chillerlan/php-qrcode/src/Output/QRFpdf.php +++ b/vendor/chillerlan/php-qrcode/src/Output/QRFpdf.php @@ -2,24 +2,20 @@ /** * Class QRFpdf * - * https://github.com/chillerlan/php-qrcode/pull/49 - * - * @filesource QRFpdf.php * @created 03.06.2020 - * @package chillerlan\QRCode\Output * @author Maximilian Kresse - * * @license MIT + * + * @see https://github.com/chillerlan/php-qrcode/pull/49 */ namespace chillerlan\QRCode\Output; use chillerlan\QRCode\Data\QRMatrix; -use chillerlan\QRCode\QRCodeException; use chillerlan\Settings\SettingsContainerInterface; use FPDF; -use function array_values, class_exists, count, is_array; +use function array_values, class_exists, count, intval, is_array, is_numeric, max, min; /** * QRFpdf output module (requires fpdf) @@ -29,12 +25,23 @@ use function array_values, class_exists, count, is_array; */ class QRFpdf extends QROutputAbstract{ + public const MIME_TYPE = 'application/pdf'; + + protected FPDF $fpdf; + protected ?array $prevColor = null; + + /** + * QRFpdf constructor. + * + * @throws \chillerlan\QRCode\Output\QRCodeOutputException + */ public function __construct(SettingsContainerInterface $options, QRMatrix $matrix){ if(!class_exists(FPDF::class)){ // @codeCoverageIgnoreStart - throw new QRCodeException( - 'The QRFpdf output requires FPDF as dependency but the class "\FPDF" couldn\'t be found.' + throw new QRCodeOutputException( + 'The QRFpdf output requires FPDF (https://github.com/Setasign/FPDF)'. + ' as dependency but the class "\\FPDF" couldn\'t be found.' ); // @codeCoverageIgnoreEnd } @@ -45,69 +52,128 @@ class QRFpdf extends QROutputAbstract{ /** * @inheritDoc */ - protected function setModuleValues():void{ + public static function moduleValueIsValid($value):bool{ + + if(!is_array($value) || count($value) < 3){ + return false; + } - foreach($this::DEFAULT_MODULE_VALUES as $M_TYPE => $defaultValue){ - $v = $this->options->moduleValues[$M_TYPE] ?? null; + // check the first 3 values of the array + foreach(array_values($value) as $i => $val){ - if(!is_array($v) || count($v) < 3){ - $this->moduleValues[$M_TYPE] = $defaultValue - ? [0, 0, 0] - : [255, 255, 255]; + if($i > 2){ + break; } - else{ - $this->moduleValues[$M_TYPE] = array_values($v); + + if(!is_numeric($val)){ + return false; } } + return true; } /** - * @inheritDoc + * @param array $value * - * @return string|\FPDF + * @inheritDoc + * @throws \chillerlan\QRCode\Output\QRCodeOutputException + */ + protected function prepareModuleValue($value):array{ + $values = []; + + foreach(array_values($value) as $i => $val){ + + if($i > 2){ + break; + } + + $values[] = max(0, min(255, intval($val))); + } + + if(count($values) !== 3){ + throw new QRCodeOutputException('invalid color value'); + } + + return $values; + } + + /** + * @inheritDoc */ - public function dump(string $file = null){ - $file ??= $this->options->cachefile; + protected function getDefaultModuleValue(bool $isDark):array{ + return ($isDark) ? [0, 0, 0] : [255, 255, 255]; + } - $fpdf = new FPDF('P', $this->options->fpdfMeasureUnit, [$this->length, $this->length]); + /** + * Initializes an FPDF instance + */ + protected function initFPDF():FPDF{ + $fpdf = new FPDF('P', $this->options->fpdfMeasureUnit, $this->getOutputDimensions()); $fpdf->AddPage(); - $prevColor = null; + return $fpdf; + } - foreach($this->matrix->matrix() as $y => $row){ + /** + * @inheritDoc + * + * @return string|\FPDF + */ + public function dump(?string $file = null, ?FPDF $fpdf = null){ + $this->fpdf = ($fpdf ?? $this->initFPDF()); - foreach($row as $x => $M_TYPE){ - /** @var int $M_TYPE */ - $color = $this->moduleValues[$M_TYPE]; + if($this::moduleValueIsValid($this->options->bgColor)){ + $bgColor = $this->prepareModuleValue($this->options->bgColor); + [$width, $height] = $this->getOutputDimensions(); - if($prevColor === null || $prevColor !== $color){ - /** @phan-suppress-next-line PhanParamTooFewUnpack */ - $fpdf->SetFillColor(...$color); - $prevColor = $color; - } + /** @phan-suppress-next-line PhanParamTooFewUnpack */ + $this->fpdf->SetFillColor(...$bgColor); + $this->fpdf->Rect(0, 0, $width, $height, 'F'); + } - $fpdf->Rect($x * $this->scale, $y * $this->scale, 1 * $this->scale, 1 * $this->scale, 'F'); - } + $this->prevColor = null; + foreach($this->matrix->getMatrix() as $y => $row){ + foreach($row as $x => $M_TYPE){ + $this->module($x, $y, $M_TYPE); + } } if($this->options->returnResource){ - return $fpdf; + return $this->fpdf; } - $pdfData = $fpdf->Output('S'); + $pdfData = $this->fpdf->Output('S'); - if($file !== null){ - $this->saveToFile($pdfData, $file); - } + $this->saveToFile($pdfData, $file); - if($this->options->imageBase64){ - $pdfData = sprintf('data:application/pdf;base64,%s', base64_encode($pdfData)); + if($this->options->outputBase64){ + $pdfData = $this->toBase64DataURI($pdfData); } return $pdfData; } + /** + * Renders a single module + */ + protected function module(int $x, int $y, int $M_TYPE):void{ + + if(!$this->drawLightModules && !$this->matrix->isDark($M_TYPE)){ + return; + } + + $color = $this->getModuleValue($M_TYPE); + + if($color !== null && $color !== $this->prevColor){ + /** @phan-suppress-next-line PhanParamTooFewUnpack */ + $this->fpdf->SetFillColor(...$color); + $this->prevColor = $color; + } + + $this->fpdf->Rect(($x * $this->scale), ($y * $this->scale), $this->scale, $this->scale, 'F'); + } + } |