Реализация генератора QR-кодов с логотипом Ely.by

This commit is contained in:
ErickSkrauch 2017-01-19 01:46:54 +03:00
parent c15361ddbe
commit bb1fd1a960
5 changed files with 127 additions and 3 deletions

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@ -1,4 +1,4 @@
FROM registry.ely.by/elyby/accounts-php:1.2.0
FROM registry.ely.by/elyby/accounts-php:1.3.0
# Вносим конфигурации для крона и воркеров
COPY docker/cron/* /etc/cron.d/

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@ -1,4 +1,4 @@
FROM registry.ely.by/elyby/accounts-php:1.2.0-dev
FROM registry.ely.by/elyby/accounts-php:1.3.0-dev
# Вносим конфигурации для крона и воркеров
COPY docker/cron/* /etc/cron.d/

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<?php
namespace common\components\Qr;
use BaconQrCode\Common\ErrorCorrectionLevel;
use BaconQrCode\Encoder\QrCode;
use BaconQrCode\Renderer\Image\Decorator\DecoratorInterface;
use BaconQrCode\Renderer\Image\RendererInterface;
use BaconQrCode\Renderer\Image\Svg;
use Imagick;
use InvalidArgumentException;
use ReflectionClass;
class ElyDecorator implements DecoratorInterface {
private const LOGO = __DIR__ . '/resources/logo.svg';
private const CORRECTION_MAP = [
ErrorCorrectionLevel::L => 7,
ErrorCorrectionLevel::M => 15,
ErrorCorrectionLevel::Q => 25,
ErrorCorrectionLevel::H => 30,
];
public function preProcess(
QrCode $qrCode,
RendererInterface $renderer,
$outputWidth,
$outputHeight,
$leftPadding,
$topPadding,
$multiple
) {
if (!$renderer instanceof Svg) {
throw new InvalidArgumentException('$renderer must by instance of ' . Svg::class);
}
$correctionLevel = self::CORRECTION_MAP[$qrCode->getErrorCorrectionLevel()->get()];
$sizeMultiplier = $correctionLevel + floor($correctionLevel / 3);
$count = $qrCode->getMatrix()->getWidth();
$countToRemoveX = floor($count * $sizeMultiplier / 100);
$countToRemoveY = floor($count * $sizeMultiplier / 100);
$startX = $leftPadding + round(($count - $countToRemoveX) / 2 * $multiple);
$startY = $topPadding + round(($count - $countToRemoveY) / 2 * $multiple);
$width = $countToRemoveX * $multiple;
$height = $countToRemoveY * $multiple;
$reflection = new ReflectionClass($renderer);
$property = $reflection->getProperty('svg');
$property->setAccessible(true);
/** @var \SimpleXMLElement $svg */
$svg = $property->getValue($renderer);
$image = $svg->addChild('image');
$image->addAttribute('x', $startX);
$image->addAttribute('y', $startY);
$image->addAttribute('width', $width);
$image->addAttribute('height', $height);
$image->addAttribute('xlink:href', $this->encodeSvgToBase64(self::LOGO));
$logo = new Imagick();
$logo->readImage(self::LOGO);
$logo->scaleImage($width, $height);
$foundedPixels = [];
foreach ($logo->getPixelIterator() as $row => $pixels) {
/** @var \ImagickPixel[] $pixels */
foreach ($pixels as $column => $pixel) {
$color = $pixel->getColorAsString();
if ($color !== 'srgb(255,255,255)') {
$foundedPixels[] = [(int)($startX + $column), (int)($startY + $row)];
}
}
}
$logo->clear();
$logo->destroy();
$padding = $multiple - 2;
if ($padding < 0) {
$padding = 1;
}
foreach ($foundedPixels as $coordinates) {
[$x, $y] = $coordinates;
$x -= $leftPadding;
$y -= $topPadding;
for ($i = $x - $padding; $i <= $x + $padding; $i++) {
for ($j = $y - $padding; $j <= $y + $padding; $j++) {
$matrixX = floor($i / $multiple);
$matrixY = floor($j / $multiple);
$qrCode->getMatrix()->set($matrixX, $matrixY, 0);
}
}
}
}
public function postProcess(
QrCode $qrCode,
RendererInterface $renderer,
$outputWidth,
$outputHeight,
$leftPadding,
$topPadding,
$multiple
) {
}
private function encodeSvgToBase64(string $filePath): string {
return 'data:image/svg+xml;base64,' . base64_encode(file_get_contents($filePath));
}
}

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<?xml version="1.0" encoding="utf-8"?>
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 389 365.16" style="fill:#207e5c">
<polygon points="130 161 37 161 37 257 145 257 145 285 0 285 0 19 144 19 144 47 37 47 37 133 130 133 130 161 130 161" />
<polygon points="213 285 177 285 177 0 213 0 213 285 213 285" />
<path d="M319,246.42l34-142h42l-66,227c-5.07,17.07-10.54,30.61-20,39.49S291.1,382.58,279,382.58c-4.67,0-13.89-1.65-21-3.16l4.11-27s18.89,1.78,22.69-4.37c4.54-4.26,8.71-13.46,12.21-24.48l6-23.16-58-196h41l33,142h0Z" transform="translate(-6 -17.42)" />
</svg>

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"ely/email-renderer": "dev-master#ef1cb3f7a13196524b97ca5aa0a2d5867f2d9207",
"predis/predis": "^1.0",
"mito/yii2-sentry": "dev-fix_init#27f00805cb906f73b2c6f8181c1c655decb9be70",
"minime/annotations": "~3.0"
"minime/annotations": "~3.0",
"spomky-labs/otphp": "^8.3",
"bacon/bacon-qr-code": "^1.0"
},
"require-dev": {
"yiisoft/yii2-codeception": "*",