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Added an example with png rounded modules using gd (#215)
* added example with png rounded modules * code formatting and removing of example image
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‎examples/Readme.md

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- [Custom output](./custom_output.php): a simple example that demonstrates the usage of custom output classes
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- [GD Image with logo](./imageWithLogo.php): a logo on top of the QR Code
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- [GD image with text](./imageWithText.php): description text under the QR Code ([#35](https://github.com/chillerlan/php-qrcode/issues/35))
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- [GD Image with rounded modules](./pngWithRoundedShapes.php): Similar to "melted" modules, but more rounded ([#127](https://github.com/chillerlan/php-qrcode/issues/127))
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- [ImageMagick with logo](./imagickWithLogo.php): a logo on top of the QR Code
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- [ImageMagick with image as background](./imagickImageAsBackground.php): an image as full size background of the QR Code
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- [SVG with logo](./svgWithLogo.php): an SVG QR Code with embedded logo (that is also SVG)

‎examples/pngWithRoundedShapes.php

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<?php
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/**
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* php-gd realization of QR code with rounded modules
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*
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* @see https://github.com/chillerlan/php-qrcode/pull/215
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* @see https://github.com/chillerlan/php-qrcode/issues/127
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*
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* @created 17.09.2023
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* @author livingroot
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* @copyright 2023 livingroot
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* @license MIT
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*/
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use chillerlan\QRCode\Common\EccLevel;
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use chillerlan\QRCode\Data\QRMatrix;
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use chillerlan\QRCode\Output\QRGdImage;
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use chillerlan\QRCode\Output\QROutputInterface;
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use chillerlan\QRCode\QRCode;
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use chillerlan\QRCode\QROptions;
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require_once __DIR__ . '/../vendor/autoload.php';
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// --------------------
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// Class definition
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// --------------------
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class QRGdRounded extends QRGdImage {
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protected function module(int $x, int $y, int $M_TYPE): void {
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$x1 = ($x * $this->scale);
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$y1 = ($y * $this->scale);
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$x2 = (($x + 1) * $this->scale);
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$y2 = (($y + 1) * $this->scale);
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$rectsize = ($this->scale / 2);
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/**
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* @var int $neighbours
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* The right bit order (starting from 0):
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* 0 1 2
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* 7 # 3
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* 6 5 4
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*/
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$neighbours = $this->matrix->checkNeighbours($x, $y);
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// ------------------
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// Outer rounding
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// ------------------
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if ($neighbours & (1 << 7)) { // neighbour left
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// top left
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imagefilledrectangle(
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$this->image,
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$x1,
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$y1,
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($x1 + $rectsize),
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($y1 + $rectsize),
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$this->moduleValues[$M_TYPE]
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);
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// bottom left
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imagefilledrectangle(
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$this->image,
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$x1,
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($y2 - $rectsize),
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($x1 + $rectsize),
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$y2,
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$this->moduleValues[$M_TYPE]
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);
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}
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if ($neighbours & (1 << 3)) { // neighbour right
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// top right
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imagefilledrectangle(
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$this->image,
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($x2 - $rectsize),
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$y1,
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$x2,
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($y1 + $rectsize),
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$this->moduleValues[$M_TYPE]
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);
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// bottom right
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imagefilledrectangle(
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$this->image,
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($x2 - $rectsize),
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($y2 - $rectsize),
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$x2,
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$y2,
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$this->moduleValues[$M_TYPE]
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);
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}
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if ($neighbours & (1 << 1)) { // neighbour top
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// top left
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imagefilledrectangle(
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$this->image,
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$x1,
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$y1,
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($x1 + $rectsize),
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($y1 + $rectsize),
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$this->moduleValues[$M_TYPE]
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);
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// top right
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imagefilledrectangle(
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$this->image,
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($x2 - $rectsize),
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$y1,
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$x2,
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($y1 + $rectsize),
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$this->moduleValues[$M_TYPE]
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);
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}
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if ($neighbours & (1 << 5)) { // neighbour bottom
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// bottom left
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imagefilledrectangle(
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$this->image,
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$x1,
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($y2 - $rectsize),
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($x1 + $rectsize),
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$y2,
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$this->moduleValues[$M_TYPE]
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);
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// bottom right
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imagefilledrectangle(
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$this->image,
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($x2 - $rectsize),
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($y2 - $rectsize),
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$x2,
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$y2,
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$this->moduleValues[$M_TYPE]
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);
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}
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// ---------------------
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// inner rounding
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// ---------------------
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if (!$this->matrix->check($x, $y)) {
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if (($neighbours & 1) && ($neighbours & (1 << 7)) && ($neighbours & (1 << 1))) {
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// top left
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imagefilledrectangle(
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$this->image,
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$x1,
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$y1,
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($x1 + $rectsize),
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($y1 + $rectsize),
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$this->moduleValues[($M_TYPE | QRMatrix::IS_DARK)]
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);
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}
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if (($neighbours & (1 << 1)) && ($neighbours & (1 << 2)) && ($neighbours & (1 << 3))) {
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// top right
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imagefilledrectangle(
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$this->image,
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($x2 - $rectsize),
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$y1,
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$x2,
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($y1 + $rectsize),
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$this->moduleValues[($M_TYPE | QRMatrix::IS_DARK)]
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);
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}
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if (($neighbours & (1 << 7)) && ($neighbours & (1 << 6)) && ($neighbours & (1 << 5))) {
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// bottom left
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imagefilledrectangle(
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$this->image,
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$x1,
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($y2 - $rectsize),
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($x1 + $rectsize),
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$y2,
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$this->moduleValues[($M_TYPE | QRMatrix::IS_DARK)]
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);
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}
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if (($neighbours & (1 << 3)) && ($neighbours & (1 << 4)) && ($neighbours & (1 << 5))) {
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// bottom right
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imagefilledrectangle(
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$this->image,
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($x2 - $rectsize),
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($y2 - $rectsize),
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$x2,
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$y2,
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$this->moduleValues[($M_TYPE | QRMatrix::IS_DARK)]
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);
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}
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}
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imagefilledellipse(
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$this->image,
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(int)(($x * $this->scale) + ($this->scale / 2)),
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(int)(($y * $this->scale) + ($this->scale / 2)),
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(int)($this->scale - 1),
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(int)($this->scale - 1),
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$this->moduleValues[$M_TYPE]
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);
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}
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}
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// --------------------
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// Example
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// --------------------
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$options = new QROptions([
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'outputType' => QROutputInterface::CUSTOM,
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'outputInterface' => QRGdRounded::class,
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'eccLevel' => EccLevel::M,
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'imageTransparent' => false,
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'imageBase64' => false,
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'scale' => 30
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]);
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$qrcode = new QRCode($options);
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$img = $qrcode->render('https://www.youtube.com/watch?v=dQw4w9WgXcQ');
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header('Content-type: image/png');
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echo $img;

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