Compolomus\Compomage\GD

Complexity

Total Complexity

18

Size/Duplication

Total Lines	190
Duplicated Lines	0 %

Importance

Changes

0

15 Methods

Rating	Name	Duplication	Size	Complexity
A	tmp()	0	13	2
A	flip()	0	5	1
A	flop()	0	5	1
A	grayscale()	0	5	1
A	__construct()	0	3	1
A	crop()	0	10	1
A	setSizes()	0	4	1
A	copyright()	0	19	2
A	rotate()	0	10	1
A	newImage()	0	9	1
A	save()	0	3	1
A	resize()	0	8	1
B	prepareImage()	0	32	2
A	__toString()	0	8	1
A	watermark()	0	3	1

<?php declare(strict_types=1);

namespace Compolomus\Compomage;

use Compolomus\Compomage\Interfaces\ImageInterface;

class GD extends AbstractImage implements ImageInterface
{
    /**
     * GD constructor.
     * @param string $image
     * @throws \Exception
     */
    public function __construct(string $image)
    {
        $this->init($image);
    }

    /**
     * @param string $source
     * @return ImageInterface
     * @throws \Exception
     */
    protected function tmp(string $source): ImageInterface
    {
        $image = imagecreatefromstring($source);
        if (!is_resource($image)) {
            throw new \Exception('Image create failed');
        }
        $this->setImage($image);
        $this->setSizes();
        // save transparent
        imagesavealpha($this->getImage(), true);
        imagealphablending($this->getImage(), false);

        return $this;
    }

    public function flip(): ImageInterface
    {
        imageflip($this->getImage(), IMG_FLIP_VERTICAL);

        return $this;
    }

    public function flop(): ImageInterface
    {
        imageflip($this->getImage(), IMG_FLIP_HORIZONTAL);

        return $this;
    }

    public function grayscale(): ImageInterface
    {
        imagefilter($this->getImage(), IMG_FILTER_GRAYSCALE);

        return $this;
    }

    /**
     * @param string $text
     * @param string $font
     * @param string $position
     * @return $this
     * @throws \Exception
     */
    public function copyright(string $text, string $font, string $position = 'SouthWest')
    {
        if (!array_key_exists(strtoupper($position), $this->positions)) {
            throw new \Exception('Wrong position');
        }

        imagecopymerge(
            $this->getImage(),
            $image = $this->prepareImage($text, $font),
            intval((($this->getWidth() - imagesx($image)) / 2) * $this->positions[strtoupper($position)]['x']) + $this->positions[strtoupper($position)]['padX'],
            intval((($this->getHeight() - imagesy($image)) / 2) * $this->positions[strtoupper($position)]['y']) + $this->positions[strtoupper($position)]['padY'],
            0,
            0,
            $this->getWidth(),
            $this->getHeight(),
            80
        );

        return $this;
    }

    /**
     * @param string $text
     * @param string $font
     * @return resource
     * @throws \Exception
     */
    private function prepareImage(string $text, string $font)
    {
        $fontSize = 15;
        if (!$coordinates = imagettfbbox($fontSize, 0, $font, $text)) {
            throw new \Exception('Does not support font');
        }
        $minX = min([$coordinates[0], $coordinates[2], $coordinates[4], $coordinates[6]]);
        $maxX = max([$coordinates[0], $coordinates[2], $coordinates[4], $coordinates[6]]);
        $minY = min([$coordinates[1], $coordinates[3], $coordinates[5], $coordinates[7]]);
        $maxY = max([$coordinates[1], $coordinates[3], $coordinates[5], $coordinates[7]]);

        $textX = intval(abs($minX)) + 1;
        $textY = intval(abs($minY)) + 1;

        $image = $this->newImage($maxX - $minX + 2, $maxY - $minY + 2);

        $white = imagecolorallocate($image, 0, 0, 0);
        $blue = imagecolorallocate($image, 0, 128, 128);
        $red = imagecolorallocate($image, 255, 0, 0);
        $black = imagecolorallocate($image, 255, 255, 255);
        $gray = imagecolorallocate($image, 128, 128, 128);

        imagecolortransparent($image, $white);
        imagefilledrectangle($image, 0, 0, $this->getWidth(), 20, $white);

        imagettftext($image, $fontSize, 0, $textX, $textY, $white, $font, $text);
        imagettftext($image, $fontSize, 0, $textX + 1, $textY + 1, $blue, $font, $text);
        imagettftext($image, $fontSize, 0, $textX + 1, $textY + 1, $red, $font, $text);
        imagettftext($image, $fontSize, 0, $textX + 2, $textY + 2, $black, $font, $text);
        imagettftext($image, $fontSize, 0, $textX + 2, $textY + 2, $gray, $font, $text);

        return $image;
    }

    protected function setSizes(): void
    {
        $this->setWidth(imagesx($this->getImage()));
        $this->setHeight(imagesy($this->getImage()));
    }

    private function newImage(int $width, int $height)
    {
        $newimg = imagecreatetruecolor($width, $height);
        $transparent = imagecolorallocatealpha($newimg, 255, 255, 255, 127);
        imagefill($newimg, 0, 0, $transparent);
        imagealphablending($newimg, true);
        imagesavealpha($newimg, true);

        return $newimg;
    }

    public function resize(int $width, int $height): ImageInterface
    {
        $newimage = $this->newImage($width, $height);
        imagecopyresampled($newimage, $this->getImage(), 0, 0, 0, 0, $width, $height, $this->getWidth() , $this->getHeight());
        $this->setImage($newimage);
        $this->setSizes();

        return $this;
    }

    public function crop(int $width, int $height, int $x, int $y): ImageInterface
    {
        $width = $width - $x;
        $height = $height - $y;
        $newimage = $this->newImage($width, $height);
        imagecopyresampled($newimage, $this->getImage(), 0, 0, $x, $y, $width, $height, $width, $height);
        $this->setImage($newimage);
        $this->setSizes();

        return $this;
    }

    public function watermark(): ImageInterface
    {
        return $this;
    }

    public function rotate(int $angle = 90): ImageInterface
    {
        $transparent = imagecolorallocatealpha($this->image, 0, 0, 0, 127);
        $rotate = imagerotate($this->getImage(), $angle, $transparent);
        imagealphablending($rotate, true);
        imagesavealpha($rotate, true);
        $this->setImage($rotate);
        $this->setSizes();

        return $this;
    }

    public function __toString(): string
    {
        ob_start();
        imagepng($this->getImage(), null, 9, PNG_ALL_FILTERS);
        $temp = ob_get_contents();
        ob_clean();

        return trim($temp);
    }

    public function save(string $filename): bool
    {
        return true;
    }
}