allow vendord

vendor/ageekdev/laravel-barcode/src/Drivers/PNG.php

@@ -0,0 +1,141 @@
+<?php
+
+namespace AgeekDev\Barcode\Drivers;
+
+use AgeekDev\Barcode\AbstractGenerator;
+use AgeekDev\Barcode\BarcodeBar;
+use AgeekDev\Barcode\Exceptions\BarcodeException;
+use Imagick;
+use imagickdraw;
+use imagickpixel;
+use Spatie\Color\Hex;
+
+class PNG extends AbstractGenerator
+{
+    protected bool $useImagick = true;
+
+    /**
+     * @throws BarcodeException
+     */
+    public function __construct()
+    {
+        parent::__construct();
+
+        // Auto switch between GD and Imagick based on what is installed
+        if (extension_loaded('imagick')) {
+            $this->useImagick = true;
+        } elseif (function_exists('imagecreate')) {
+            $this->useImagick = false;
+        } else {
+            throw new BarcodeException('Neither gd-lib or imagick are installed!');
+        }
+    }
+
+    /**
+     * Force the use of Imagick image extension.
+     */
+    public function useImagick(): self
+    {
+        $this->useImagick = true;
+
+        return $this;
+    }
+
+    /**
+     * Force the use of the GD image library.
+     */
+    public function useGd(): self
+    {
+        $this->useImagick = false;
+
+        return $this;
+    }
+
+    /**
+     * @param  string  $text  code to print
+     *
+     * @throws \ImagickDrawException
+     * @throws \ImagickException
+     * @throws \ImagickPixelException
+     */
+    public function generate(string $text): string
+    {
+        $barcodeData = $this->getBarcodeData($text, $this->type);
+        $width = round($barcodeData->getWidth() * $this->widthFactor);
+
+        $foregroundColor = $this->getForegroundColor();
+
+        if ($this->useImagick) {
+            $imagickBarsShape = new imagickdraw;
+            $imagickBarsShape->setFillColor(new imagickpixel('rgb('.implode(',', $foregroundColor).')'));
+        } else {
+            $image = $this->createGdImageObject($width, $this->height);
+            $gdForegroundColor = imagecolorallocate($image, $foregroundColor[0], $foregroundColor[1], $foregroundColor[2]);
+        }
+
+        // print bars
+        $positionHorizontal = 0;
+        /** @var BarcodeBar $bar */
+        foreach ($barcodeData->getBars() as $bar) {
+            $barWidth = round(($bar->getWidth() * $this->widthFactor), 3);
+
+            if ($barWidth > 0 && $bar->isBar()) {
+                $y = round(($bar->getPositionVertical() * $this->height / $barcodeData->getHeight()), 3);
+                $barHeight = round(($bar->getHeight() * $this->height / $barcodeData->getHeight()), 3);
+
+                // draw a vertical bar
+                if ($this->useImagick) {
+                    $imagickBarsShape->rectangle($positionHorizontal, $y, ($positionHorizontal + $barWidth - 1), ($y + $barHeight));
+                } else {
+                    imagefilledrectangle($image, $positionHorizontal, $y, ($positionHorizontal + $barWidth - 1), ($y + $barHeight), $gdForegroundColor);
+                }
+            }
+            $positionHorizontal += $barWidth;
+        }
+
+        if ($this->useImagick) {
+            $image = $this->createImagickImageObject($width, $this->height);
+            $image->drawImage($imagickBarsShape);
+
+            return $image->getImageBlob();
+        }
+
+        ob_start();
+        $this->generateGdImage($image);
+
+        return ob_get_clean();
+    }
+
+    public function getForegroundColor(): string|array
+    {
+        $color = Hex::fromString($this->foregroundColor)->toRgba();
+
+        return [$color->red(), $color->blue(), $color->green()];
+    }
+
+    protected function createGdImageObject(int $width, int $height)
+    {
+        $image = imagecreate($width, $height);
+        $colorBackground = imagecolorallocate($image, 255, 255, 255);
+        imagecolortransparent($image, $colorBackground);
+
+        return $image;
+    }
+
+    /**
+     * @throws \ImagickException
+     */
+    protected function createImagickImageObject(int $width, int $height): Imagick
+    {
+        $image = new Imagick;
+        $image->newImage($width, $height, 'none', 'PNG');
+
+        return $image;
+    }
+
+    protected function generateGdImage($image): void
+    {
+        imagepng($image);
+        imagedestroy($image);
+    }
+}