Resizer::resizeAndCrop() - Code Metrics - mambax7/chess - Measure and Improve Code Quality continuously with Scrutinizer

Resizer::resizeAndCrop() B
last analyzed 2020-05-25 10:07 UTC

↳ Parent: Resizer
Complexity

Conditions	11
Paths	88
Size

Total Lines	83
Code Lines	42
Duplication

Lines	0
Ratio	0 %
Importance

Changes
Metric	Value
cc	11
eloc	42
nc	88
nop	0
dl	0
loc	83
rs	7.3166
c	0
b	0
f	0
How to fix Long Method Complexity

<?php

namespace XoopsModules\Chess\Common;

/*
 You may not change or alter any portion of this comment or credits
 of supporting developers from this source code or any supporting source code
 which is considered copyrighted (c) material of the original comment or credit authors.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/

/**
 * Image resizer class for xoops
 *
 * @copyright      2000-2020 XOOPS Project (https://xoops.org)
 * @license        GPL 2.0 or later
 * @package      Chess
 * @since        2.01
 * @author         Goffy - Wedega - Email:<[email protected]> - Website:<https://wedega.com>
 */
class Resizer
{
    public $sourceFile = '';
    public $endFile = '';
    public $maxWidth = 0;
    public $maxHeight = 0;
    public $imageMimetype = '';
    public $jpgQuality = 90;
    public $mergeType = 0;
    public $mergePos = 0;
    public $degrees = 0;
    public $error = '';

    /**
     * resize image if size exceed given width/height
     * @return string|bool
     */
    public function resizeImage()
    {
        // check file extension

        switch ($this->imageMimetype) {
            case 'image/png':
                $img = \imagecreatefrompng($this->sourceFile);
                break;
            case 'image/jpeg':
                $img = \imagecreatefromjpeg($this->sourceFile);
                if (!$img) {

                    $img = \imagecreatefromstring(file_get_contents($this->sourceFile));
                }
                break;
            case 'image/gif':
                $img = \imagecreatefromgif($this->sourceFile);
                break;
            default:
                return 'Unsupported format';
        }

        $width = \imagesx($img);
        $width = \imagesx(/** @scrutinizer ignore-type */ $img);

        $height = \imagesy($img);
        $height = \imagesy(/** @scrutinizer ignore-type */ $img);

        if ($width > $this->maxWidth || $height > $this->maxHeight) {
            // recalc image size based on this->maxWidth/this->maxHeight

            if ($width > $height) {
                if ($width < $this->maxWidth) {
                    $new_width = $width;
                } else {
                    $new_width = $this->maxWidth;

                    $divisor = $width / $new_width;

                    $new_height = \floor($height / $divisor);
                }
            } elseif ($height < $this->maxHeight) {
                $new_height = $height;
            } else {
                $new_height = $this->maxHeight;

                $divisor = $height / $new_height;

                $new_width = \floor($width / $divisor);
            }

            // Create a new temporary image.

            $tmpimg = \imagecreatetruecolor($new_width, $new_height);


            imagealphablending($tmpimg, false);
            imagealphablending(/** @scrutinizer ignore-type */ $tmpimg, false);

            imagesavealpha($tmpimg, true);
            imagesavealpha(/** @scrutinizer ignore-type */ $tmpimg, true);

            // Copy and resize old image into new image.

            \imagecopyresampled($tmpimg, $img, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
            \imagecopyresampled($tmpimg, /** @scrutinizer ignore-type */ $img, 0, 0, 0, 0, $new_width, $new_height, $width, $height);

            \unlink($this->endFile);

            //compressing the file

            switch ($this->imageMimetype) {
                case 'image/png':
                    \imagepng($tmpimg, $this->endFile, 0);
                    \imagepng(/** @scrutinizer ignore-type */ $tmpimg, $this->endFile, 0);
                    break;
                case 'image/jpeg':
                    \imagejpeg($tmpimg, $this->endFile, 100);
                    \imagejpeg(/** @scrutinizer ignore-type */ $tmpimg, $this->endFile, 100);
                    break;
                case 'image/gif':
                    \imagegif($tmpimg, $this->endFile);
                    \imagegif(/** @scrutinizer ignore-type */ $tmpimg, $this->endFile);
                    break;
            }

            // release the memory

            \imagedestroy($tmpimg);
            \imagedestroy(/** @scrutinizer ignore-type */ $tmpimg);
        } else {
            return 'copy';
        }

        \imagedestroy($img);

        return true;
    }

    /**
     * @return bool|string
     */
    public function resizeAndCrop()
    {
        // check file extension

        switch ($this->imageMimetype) {
            case 'image/png':
                $original = \imagecreatefrompng($this->sourceFile);
                break;
            case 'image/jpeg':
                $original = \imagecreatefromjpeg($this->sourceFile);
                break;
            case 'image/gif':
                $original = \imagecreatefromgif($this->sourceFile);
                break;
            default:
                return 'Unsupported format';
        }

        if (!$original) {

            return false;
        }

        // GET ORIGINAL IMAGE DIMENSIONS

        [$original_w, $original_h] = \getimagesize($this->sourceFile);

        // RESIZE IMAGE AND PRESERVE PROPORTIONS

        $max_width_resize = $this->maxWidth;

        $max_height_resize = $this->maxHeight;

        if ($original_w > $original_h) {
            $max_height_ratio = $this->maxHeight / $original_h;

            $max_width_resize = (int)\round($original_w * $max_height_ratio);
        } else {
            $max_width_ratio = $this->maxWidth / $original_w;

            $max_height_resize = (int)\round($original_h * $max_width_ratio);
        }

        if ($max_width_resize < $this->maxWidth) {
            $max_height_ratio = $this->maxWidth / $max_width_resize;

            $max_height_resize = (int)\round($this->maxHeight * $max_height_ratio);

            $max_width_resize = $this->maxWidth;
        }

        // CREATE THE PROPORTIONAL IMAGE RESOURCE

        $thumb = \imagecreatetruecolor($max_width_resize, $max_height_resize);

        if (!\imagecopyresampled($thumb, $original, 0, 0, 0, 0, $max_width_resize, $max_height_resize, $original_w, $original_h)) {
            return false;
        }

        // CREATE THE CENTERED CROPPED IMAGE TO THE SPECIFIED DIMENSIONS

        $final = \imagecreatetruecolor($this->maxWidth, $this->maxHeight);

        $max_width_offset = 0;

        $max_height_offset = 0;

        if ($this->maxWidth < $max_width_resize) {
            $max_width_offset = (int)\round(($max_width_resize - $this->maxWidth) / 2);
        } else {
            $max_height_offset = (int)\round(($max_height_resize - $this->maxHeight) / 2);
        }

        if (!\imagecopy($final, $thumb, 0, 0, $max_width_offset, $max_height_offset, $max_width_resize, $max_height_resize)) {
            return false;
        }

        // STORE THE FINAL IMAGE - WILL OVERWRITE $this->endFile

        if (!\imagejpeg($final, $this->endFile, $this->jpgQuality)) {
            return false;
        }

        return true;
    }

    public function mergeImage()
    {
        $dest = \imagecreatefromjpeg($this->endFile);

        $src = \imagecreatefromjpeg($this->sourceFile);

        if (4 == $this->mergeType) {
            $imgWidth = (int)\round($this->maxWidth / 2 - 1);

            $imgHeight = (int)\round($this->maxHeight / 2 - 1);

            $posCol2 = (int)\round($this->maxWidth / 2 + 1);

            $posRow2 = (int)\round($this->maxHeight / 2 + 1);

            switch ($this->mergePos) {
                case 1:
                    \imagecopy($dest, $src, 0, 0, 0, 0, $imgWidth, $imgHeight); //top left
                    \imagecopy($dest, /** @scrutinizer ignore-type */ $src, 0, 0, 0, 0, $imgWidth, $imgHeight); //top left
                    break;
                case 2:
                    \imagecopy($dest, $src, $posCol2, 0, 0, 0, $imgWidth, $imgHeight); //top right
                    break;
                case 3:
                    \imagecopy($dest, $src, 0, $posRow2, 0, 0, $imgWidth, $imgHeight); //bottom left
                    break;
                case 4:
                    \imagecopy($dest, $src, $posCol2, $posRow2, 0, 0, $imgWidth, $imgHeight); //bottom right
                    break;
            }
        }

        if (6 == $this->mergeType) {
            $imgWidth = (int)\round($this->maxWidth / 3 - 1);

            $imgHeight = (int)\round($this->maxHeight / 2 - 1);

            $posCol2 = (int)\round($this->maxWidth / 3 + 1);

            $posCol3 = $posCol2 + (int)\round($this->maxWidth / 3 + 1);

            $posRow2 = (int)\round($this->maxHeight / 2 + 1);

            switch ($this->mergePos) {
                case 1:
                    \imagecopy($dest, $src, 0, 0, 0, 0, $imgWidth, $imgHeight); //top left
                    break;
                case 2:
                    \imagecopy($dest, $src, $posCol2, 0, 0, 0, $imgWidth, $imgHeight); //top center
                    break;
                case 3:
                    \imagecopy($dest, $src, $posCol3, 0, 0, 0, $imgWidth, $imgHeight); //top right
                    break;
                case 4:
                    \imagecopy($dest, $src, 0, $posRow2, 0, 0, $imgWidth, $imgHeight); //bottom left
                    break;
                case 5:
                    \imagecopy($dest, $src, $posCol2, $posRow2, 0, 0, $imgWidth, $imgHeight); //bottom center
                    break;
                case 6:
                    \imagecopy($dest, $src, $posCol3, $posRow2, 0, 0, $imgWidth, $imgHeight); //bottom right
                    break;
            }
        }

        \imagejpeg($dest, $this->endFile);
        \imagejpeg(/** @scrutinizer ignore-type */ $dest, $this->endFile);

        \imagedestroy($src);
        \imagedestroy(/** @scrutinizer ignore-type */ $src);

        \imagedestroy($dest);
    }

    /**
     * @return bool|string
     */
    public function rotateImage()
    {
        // check file extension

        switch ($this->imageMimetype) {
            case 'image/png':
                $original = \imagecreatefrompng($this->sourceFile);
                break;
            case 'image/jpeg':
                $original = \imagecreatefromjpeg($this->sourceFile);
                break;
            case 'image/gif':
                $original = \imagecreatefromgif($this->sourceFile);
                break;
            default:
                return 'Unsupported format';
        }

        if (!$original) {

            return false;
        }

        // Rotate

        $tmpimg = \imagerotate($original, $this->degrees, 0);

        \unlink($this->endFile);

        //compressing the file

        switch ($this->imageMimetype) {
            case 'image/png':
                if (!\imagepng($tmpimg, $this->endFile, 0)) {
                    return false;
                }
                break;
            case 'image/jpeg':
                if (!\imagejpeg($tmpimg, $this->endFile, $this->jpgQuality)) {
                    return false;
                }
                break;
            case 'image/gif':
                if (!\imagegif($tmpimg, $this->endFile)) {
                    return false;
                }
                break;
        }

        // release the memory

        \imagedestroy($tmpimg);

        return true;
    }
}

mambax7 / chess

Resizer::resizeAndCrop() B last analyzed 2020-05-25 10:07 UTC

Complexity

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Resizer::resizeAndCrop() B
last analyzed 2020-05-25 10:07 UTC
