simple-qrcode/src/Generator.php at develop · SimpleSoftwareIO/simple-qrcode · GitHub

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<?php

namespace SimpleSoftwareIO\QrCode;

use BaconQrCode\Common\ErrorCorrectionLevel;

use BaconQrCode\Encoder\Encoder;

use BaconQrCode\Exception\WriterException;

use BaconQrCode\Renderer\Color\Alpha;

use BaconQrCode\Renderer\Color\ColorInterface;

use BaconQrCode\Renderer\Color\Rgb;

use BaconQrCode\Renderer\Eye\EyeInterface;

use BaconQrCode\Renderer\Eye\ModuleEye;

use BaconQrCode\Renderer\Eye\SimpleCircleEye;

use BaconQrCode\Renderer\Eye\SquareEye;

use BaconQrCode\Renderer\Image\EpsImageBackEnd;

use BaconQrCode\Renderer\Image\ImageBackEndInterface;

use BaconQrCode\Renderer\Image\ImagickImageBackEnd;

use BaconQrCode\Renderer\Image\SvgImageBackEnd;

use BaconQrCode\Renderer\ImageRenderer;

use BaconQrCode\Renderer\Module\DotsModule;

use BaconQrCode\Renderer\Module\ModuleInterface;

use BaconQrCode\Renderer\Module\RoundnessModule;

use BaconQrCode\Renderer\Module\SquareModule;

use BaconQrCode\Renderer\RendererStyle\EyeFill;

use BaconQrCode\Renderer\RendererStyle\Fill;

use BaconQrCode\Renderer\RendererStyle\Gradient;

use BaconQrCode\Renderer\RendererStyle\GradientType;

use BaconQrCode\Renderer\RendererStyle\RendererStyle;

use BaconQrCode\Writer;

use BadMethodCallException;

use InvalidArgumentException;

use SimpleSoftwareIO\QrCode\DataTypes\DataTypeInterface;

class Generator

{

/**

* Holds the selected formatter.

* @var string

protected $format = 'svg';

/**

* Holds the size of the QrCode in pixels.

* @var int

protected $pixels = 100;

/**

* Holds the margin size of the QrCode.

* @var int

protected $margin = 0;

/**

* Holds the selected error correction.

* L: 7% loss.

* M: 15% loss.

* Q: 25% loss.

* H: 30% loss.

* @var string|null

protected $errorCorrection = null;

/**

* Holds the selected encoder. Possible values are

* ISO-8859-2, ISO-8859-3, ISO-8859-4, ISO-8859-5, ISO-8859-6,

* ISO-8859-7, ISO-8859-8, ISO-8859-9, ISO-8859-10, ISO-8859-11,

* ISO-8859-12, ISO-8859-13, ISO-8859-14, ISO-8859-15, ISO-8859-16,

* SHIFT-JIS, WINDOWS-1250, WINDOWS-1251, WINDOWS-1252, WINDOWS-1256,

* UTF-16BE, UTF-8, ASCII, GBK, EUC-KR.

* @var string

protected $encoding = Encoder::DEFAULT_BYTE_MODE_ECODING;

/**

* The style of the blocks within the QrCode.

* Possible values are square, dot, and round.

* @var string

protected $style = 'square';

/**

* The size of the selected style between 0 and 1.

* This only applies to dot and round.

* @var float|null

protected $styleSize = null;

/**

* The style to apply to the eye.

* Possible values are circle and square.

* @var string|null

protected $eyeStyle = null;

/**

* The foreground color of the QrCode.

* @var ColorInterface|null

protected $color = null;

/**

* The background color of the QrCode.

* @var ColorInterface|null

protected $backgroundColor = null;

/**

* An array that holds EyeFills of the color of the eyes.

* @var array

protected $eyeColors = [];

/**

* The gradient to apply to the QrCode.

* @var Gradient

protected $gradient;

/**

* Holds an image string that will be merged with the QrCode.

* @var null|string

protected $imageMerge = null;

/**

* The percentage that a merged image should take over the source image.

* @var float

protected $imagePercentage = .2;

/**

* Creates a new datatype object and then generates a QrCode.

* @param $method

* @param array $arguments

public function __call($method, array $arguments)

{

$dataType = $this->createClass($method);

$dataType->create($arguments);

return $this->generate(strval($dataType));

}

/**

* Generates the QrCode.

* @param string $text

* @param string|null $filename

* @return void|\Illuminate\Support\HtmlString|string

* @throws WriterException

* @throws InvalidArgumentException

public function generate(string $text, string $filename = null)

{

$qrCode = $this->getWriter($this->getRenderer())->writeString($text, $this->encoding, $this->errorCorrection);

if ($this->imageMerge !== null && $this->format === 'png') {

$merger = new ImageMerge(new Image($qrCode), new Image($this->imageMerge));

$qrCode = $merger->merge($this->imagePercentage);

}

if ($filename) {

file_put_contents($filename, $qrCode);

return;

}

if (class_exists(\Illuminate\Support\HtmlString::class)) {

return new \Illuminate\Support\HtmlString($qrCode);

}

return $qrCode;

}

/**

* Merges an image over the QrCode.

* @param string $filepath

* @param float $percentage

* @param SimpleSoftwareIO\QrCode\boolean|bool $absolute

* @return Generator

public function merge(string $filepath, float $percentage = .2, bool $absolute = false): self

{

if (function_exists('base_path') && ! $absolute) {

$filepath = base_path().$filepath;

}

$this->imageMerge = file_get_contents($filepath);

$this->imagePercentage = $percentage;

return $this;

}

/**

* Merges an image string with the center of the QrCode.

* @param string $content

* @param float $percentage

* @return Generator

public function mergeString(string $content, float $percentage = .2): self

{

$this->imageMerge = $content;

$this->imagePercentage = $percentage;

return $this;

}

/**

* Sets the size of the QrCode.

* @param int $pixels

* @return Generator

public function size(int $pixels): self

{

$this->pixels = $pixels;

return $this;

}

/**

* Sets the format of the QrCode.

* @param string $format

* @return Generator

* @throws InvalidArgumentException

public function format(string $format): self

{

if (! in_array($format, ['svg', 'eps', 'png'])) {

throw new InvalidArgumentException("\$format must be svg, eps, or png. {$format} is not a valid.");

}

$this->format = $format;

return $this;

}

/**

* Sets the foreground color of the QrCode.

* @param int $red

* @param int $green

* @param int $blue

* @param null|int $alpha

* @return Generator

public function color(int $red, int $green, int $blue, ?int $alpha = null): self

{

$this->color = $this->createColor($red, $green, $blue, $alpha);

return $this;

}

/**

* Sets the background color of the QrCode.

* @param int $red

* @param int $green

* @param int $blue

* @param null|int $alpha

* @return Generator

public function backgroundColor(int $red, int $green, int $blue, ?int $alpha = null): self

{

$this->backgroundColor = $this->createColor($red, $green, $blue, $alpha);

return $this;

}

/**

* Sets the eye color for the provided eye index.

* @param int $eyeNumber

* @param int $innerRed

* @param int $innerGreen

* @param int $innerBlue

* @param int $outterRed

* @param int $outterGreen

* @param int $outterBlue

* @return Generator

* @throws InvalidArgumentException

public function eyeColor(int $eyeNumber, int $innerRed, int $innerGreen, int $innerBlue, int $outterRed = 0, int $outterGreen = 0, int $outterBlue = 0): self

{

if ($eyeNumber < 0 || $eyeNumber > 2) {

throw new InvalidArgumentException("\$eyeNumber must be 0, 1, or 2. {$eyeNumber} is not valid.");

}

$this->eyeColors[$eyeNumber] = new EyeFill(

$this->createColor($innerRed, $innerGreen, $innerBlue),

$this->createColor($outterRed, $outterGreen, $outterBlue)

);

return $this;

}

public function gradient($startRed, $startGreen, $startBlue, $endRed, $endGreen, $endBlue, string $type): self

{

$type = strtoupper($type);

$this->gradient = new Gradient(

$this->createColor($startRed, $startGreen, $startBlue),

$this->createColor($endRed, $endGreen, $endBlue),

GradientType::$type()

);

return $this;

}

/**

* Sets the eye style.

* @param string $style

* @return Generator

* @throws InvalidArgumentException

public function eye(string $style): self

{

if (! in_array($style, ['square', 'circle'])) {

throw new InvalidArgumentException("\$style must be square or circle. {$style} is not a valid eye style.");

}

$this->eyeStyle = $style;

return $this;

}

/**

* Sets the style of the blocks for the QrCode.

* @param string $style

* @param float $size

* @return Generator

* @throws InvalidArgumentException

public function style(string $style, float $size = 0.5): self

{

if (! in_array($style, ['square', 'dot', 'round'])) {

throw new InvalidArgumentException("\$style must be square, dot, or round. {$style} is not a valid.");

}

if ($size < 0 || $size >= 1) {

throw new InvalidArgumentException("\$size must be between 0 and 1. {$size} is not valid.");

}

$this->style = $style;

$this->styleSize = $size;

return $this;

}

/**

* Sets the encoding for the QrCode.

* Possible values are

* ISO-8859-2, ISO-8859-3, ISO-8859-4, ISO-8859-5, ISO-8859-6,

* ISO-8859-7, ISO-8859-8, ISO-8859-9, ISO-8859-10, ISO-8859-11,

* ISO-8859-12, ISO-8859-13, ISO-8859-14, ISO-8859-15, ISO-8859-16,

* SHIFT-JIS, WINDOWS-1250, WINDOWS-1251, WINDOWS-1252, WINDOWS-1256,

* UTF-16BE, UTF-8, ASCII, GBK, EUC-KR.

* @param string $encoding

* @return Generator

public function encoding(string $encoding): self

{

$this->encoding = strtoupper($encoding);

return $this;

}

/**

* Sets the error correction for the QrCode.

* L: 7% loss.

* M: 15% loss.

* Q: 25% loss.

* H: 30% loss.

* @param string $errorCorrection

* @return Generator

public function errorCorrection(string $errorCorrection): self

{

$errorCorrection = strtoupper($errorCorrection);

$this->errorCorrection = ErrorCorrectionLevel::$errorCorrection();

return $this;

}

/**

* Sets the margin of the QrCode.

* @param int $margin

* @return Generator

public function margin(int $margin): self

{

$this->margin = $margin;

return $this;

}

/**

* Fetches the Writer.

* @param ImageRenderer $renderer

* @return Writer

public function getWriter(ImageRenderer $renderer): Writer

{

return new Writer($renderer);

}

/**

* Fetches the Image Renderer.

* @return ImageRenderer

public function getRenderer(): ImageRenderer

{

$renderer = new ImageRenderer(

$this->getRendererStyle(),

$this->getFormatter()

);

return $renderer;

}

/**

* Returns the Renderer Style.

* @return RendererStyle

public function getRendererStyle(): RendererStyle

{

return new RendererStyle($this->pixels, $this->margin, $this->getModule(), $this->getEye(), $this->getFill());

}

/**

* Fetches the formatter.

* @return ImageBackEndInterface

public function getFormatter(): ImageBackEndInterface

{

if ($this->format === 'png') {

return new ImagickImageBackEnd('png');

}

if ($this->format === 'eps') {

return new EpsImageBackEnd;

}

return new SvgImageBackEnd;

}

/**

* Fetches the module.

* @return ModuleInterface

public function getModule(): ModuleInterface

{

if ($this->style === 'dot') {

return new DotsModule($this->styleSize);

}

if ($this->style === 'round') {

return new RoundnessModule($this->styleSize);

}

return SquareModule::instance();

}

/**

* Fetches the eye style.

* @return EyeInterface

public function getEye(): EyeInterface

{

if ($this->eyeStyle === 'square') {

return SquareEye::instance();

}

if ($this->eyeStyle === 'circle') {

return SimpleCircleEye::instance();

}

return new ModuleEye($this->getModule());

}

/**

* Fetches the color fill.

* @return Fill

public function getFill(): Fill

{

$foregroundColor = $this->color ?? new Rgb(0, 0, 0);

$backgroundColor = $this->backgroundColor ?? new Rgb(255, 255, 255);

$eye0 = $this->eyeColors[0] ?? EyeFill::inherit();

$eye1 = $this->eyeColors[1] ?? EyeFill::inherit();

$eye2 = $this->eyeColors[2] ?? EyeFill::inherit();

if ($this->gradient) {

return Fill::withForegroundGradient($backgroundColor, $this->gradient, $eye0, $eye1, $eye2);

}

return Fill::withForegroundColor($backgroundColor, $foregroundColor, $eye0, $eye1, $eye2);

}

/**

* Creates a RGB or Alpha channel color.

* @param int $red

* @param int $green

* @param int $blue

* @param null|int $alpha

* @return ColorInterface

public function createColor(int $red, int $green, int $blue, ?int $alpha = null): ColorInterface

{

if (is_null($alpha)) {

return new Rgb($red, $green, $blue);

}

return new Alpha($alpha, new Rgb($red, $green, $blue));

}

/**

* Creates a new DataType class dynamically.

* @param string $method

* @return DataTypeInterface

protected function createClass(string $method): DataTypeInterface

{

$class = $this->formatClass($method);

if (! class_exists($class)) {

throw new BadMethodCallException();

}

return new $class();

}

/**

* Formats the method name correctly.

* @param $method

* @return string

protected function formatClass(string $method): string

{

$method = ucfirst($method);

$class = "SimpleSoftwareIO\QrCode\DataTypes\\".$method;

return $class;

}

simple-qrcode/src/Generator.php at develop · SimpleSoftwareIO/simple-qrcode · GitHub

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