new pisilinux web sites

2026-07-01 16:44:17 +03:00
commit b58488b586
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+<?php namespace ZN\Image;
+/**
+ * ZN PHP Web Framework
+ * 
+ * "Simplicity is the ultimate sophistication." ~ Da Vinci
+ * 
+ * @package ZN
+ * @license MIT [http://opensource.org/licenses/MIT]
+ * @author  Ozan UYKUN [ozan@znframework.com]
+ */
+
+class WatermarkImageAligner
+{
+    /**
+     * It forms the alignment values according to conformation.
+     * 
+     * @param string $type - options
+     * [
+     *     topleft   |topcenter   |topright   
+     *     middleleft|center      |middleright
+     *     bottomleft|bottomcenter|bottomright
+     * ]
+     * @param string $sourceWidth 
+     * @param string $sourceHeight
+     * @param string $targetWidth
+     * @param string $targetHeight
+     * @param int    $margin
+     * 
+     * @return array - [x, y]
+     */
+    public static function align($type, $swidth, $sheight, $twidth, $theight, $margin)
+    {
+        switch( strtolower($type) )
+        {
+            case 'center':
+            {
+                $x = self::alignCenter($twidth , $swidth);
+                $y = self::alignCenter($theight, $sheight);
+            }
+            break;
+            case 'topleft':
+            {
+                $x = $margin;
+                $y = $margin;
+            }
+            break;
+            case 'topcenter':
+            {
+                $x = self::alignCenter($twidth , $swidth);
+                $y = $margin;
+            }
+            break;
+            case 'topright':
+            {
+                $x = self::alignEdge($twidth, $swidth, -$margin);
+                $y = $margin;
+            }
+            break;
+            case 'middleleft':
+            {
+                $x = $margin;
+                $y = self::alignCenter($theight, $sheight);
+            }
+            break;
+            case 'middleright':
+            {
+                $x = self::alignEdge($twidth, $swidth, -$margin);
+                $y = self::alignCenter($theight, $sheight);
+            }
+            break;
+            case 'bottomleft':
+            {
+                $x = $margin;
+                $y = self::alignEdge($theight, $sheight, -$margin);
+            }
+            break;
+            case 'bottomcenter':
+            {
+                $x = self::alignCenter($twidth, $swidth);
+                $y = self::alignEdge($theight, $sheight, -$margin);
+            }
+            break;
+            case 'bottomright':
+            {
+                $x = self::alignEdge($twidth , $swidth , -$margin);
+                $y = self::alignEdge($theight, $sheight, -$margin);
+            }
+            break;
+        }
+
+        return [$x, $y];
+    }
+
+    /**
+     * Protected align left
+     */
+    protected static function alignEdge($val1, $val2, $margin)
+    {
+        return $val1 - $val2 + $margin;
+    }
+
+    /**
+     * Protected align center
+     */
+    protected static function alignCenter($val1, $val2)
+    {
+        return ($val1 / 2) - ($val2 / 2);
+    }
+}