]> git.mxchange.org Git - friendica.git/blobdiff - src/Object/Image.php
Change Mastodon API documentation URL for V1 Instance type
[friendica.git] / src / Object / Image.php
index 7069f7a47f561aacf53e399ea2ebe829b6ff47c9..d6c897e88dcf392dd80a85ecaea9a383852084ab 100644 (file)
@@ -1,6 +1,6 @@
 <?php
 /**
- * @copyright Copyright (C) 2010-2022, the Friendica project
+ * @copyright Copyright (C) 2010-2023, the Friendica project
  *
  * @license GNU AGPL version 3 or any later version
  *
@@ -196,7 +196,7 @@ class Image
        public function isValid(): bool
        {
                if ($this->isImagick()) {
-                       return ($this->image !== false);
+                       return !empty($this->image);
                }
                return $this->valid;
        }
@@ -285,49 +285,13 @@ class Image
                $width = $this->getWidth();
                $height = $this->getHeight();
 
-               if ((! $width)|| (! $height)) {
-                       return false;
-               }
-
-               if ($width > $max && $height > $max) {
-                       // very tall image (greater than 16:9)
-                       // constrain the width - let the height float.
-
-                       if ((($height * 9) / 16) > $width) {
-                               $dest_width = $max;
-                               $dest_height = intval(($height * $max) / $width);
-                       } elseif ($width > $height) {
-                               // else constrain both dimensions
-                               $dest_width = $max;
-                               $dest_height = intval(($height * $max) / $width);
-                       } else {
-                               $dest_width = intval(($width * $max) / $height);
-                               $dest_height = $max;
-                       }
+               $scale = Images::getScalingDimensions($width, $height, $max);
+               if ($scale) {
+                       return $this->scale($scale['width'], $scale['height']);
                } else {
-                       if ($width > $max) {
-                               $dest_width = $max;
-                               $dest_height = intval(($height * $max) / $width);
-                       } else {
-                               if ($height > $max) {
-                                       // very tall image (greater than 16:9)
-                                       // but width is OK - don't do anything
-
-                                       if ((($height * 9) / 16) > $width) {
-                                               $dest_width = $width;
-                                               $dest_height = $height;
-                                       } else {
-                                               $dest_width = intval(($width * $max) / $height);
-                                               $dest_height = $max;
-                                       }
-                               } else {
-                                       $dest_width = $width;
-                                       $dest_height = $height;
-                               }
-                       }
+                       return false;
                }
 
-               return $this->scale($dest_width, $dest_height);
        }
 
        /**
@@ -414,13 +378,13 @@ class Image
                        $orientation = $this->image->getImageOrientation();
                        switch ($orientation) {
                                case Imagick::ORIENTATION_BOTTOMRIGHT:
-                                       $this->image->rotateimage("#000", 180);
+                                       $this->rotate(180);
                                        break;
                                case Imagick::ORIENTATION_RIGHTTOP:
-                                       $this->image->rotateimage("#000", 90);
+                                       $this->rotate(-90);
                                        break;
                                case Imagick::ORIENTATION_LEFTBOTTOM:
-                                       $this->image->rotateimage("#000", -90);
+                                       $this->rotate(90);
                                        break;
                        }
 
@@ -734,15 +698,19 @@ class Image
                        return '';
                }
 
-               $width = $image->getWidth();
+               $width  = $image->getWidth();
                $height = $image->getHeight();
 
                if (max($width, $height) > 90) {
                        $image->scaleDown(90);
-                       $width = $image->getWidth();
+                       $width  = $image->getWidth();
                        $height = $image->getHeight();
                }
 
+               if (empty($width) || empty($height)) {
+                       return '';
+               }
+
                $pixels = [];
                for ($y = 0; $y < $height; ++$y) {
                        $row = [];