charger une image

upLoadImage/vendor/intervention/gif/src/Blocks/ImageDescriptor.php

@@ -0,0 +1,194 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Intervention\Gif\Blocks;
+
+use Intervention\Gif\AbstractEntity;
+
+class ImageDescriptor extends AbstractEntity
+{
+    public const SEPARATOR = "\x2C";
+
+    /**
+     * Width of frame
+     */
+    protected int $width = 0;
+
+    /**
+     * Height of frame
+     */
+    protected int $height = 0;
+
+    /**
+     * Left position of frame
+     */
+    protected int $left = 0;
+
+    /**
+     * Top position of frame
+     */
+    protected int $top = 0;
+
+    /**
+     * Determine if frame is interlaced
+     */
+    protected bool $interlaced = false;
+
+    /**
+     * Local color table flag
+     */
+    protected bool $localColorTableExistance = false;
+
+    /**
+     * Sort flag of local color table
+     */
+    protected bool $localColorTableSorted = false;
+
+    /**
+     * Size of local color table
+     */
+    protected int $localColorTableSize = 0;
+
+    /**
+     * Get current width
+     */
+    public function getWidth(): int
+    {
+        return intval($this->width);
+    }
+
+    /**
+     * Get current width
+     */
+    public function getHeight(): int
+    {
+        return intval($this->height);
+    }
+
+    /**
+     * Get current Top
+     */
+    public function getTop(): int
+    {
+        return intval($this->top);
+    }
+
+    /**
+     * Get current Left
+     */
+    public function getLeft(): int
+    {
+        return intval($this->left);
+    }
+
+    /**
+     * Set size of current instance
+     */
+    public function setSize(int $width, int $height): self
+    {
+        $this->width = $width;
+        $this->height = $height;
+
+        return $this;
+    }
+
+    /**
+     * Set position of current instance
+     */
+    public function setPosition(int $left, int $top): self
+    {
+        $this->left = $left;
+        $this->top = $top;
+
+        return $this;
+    }
+
+    /**
+     * Determine if frame is interlaced
+     */
+    public function isInterlaced(): bool
+    {
+        return $this->interlaced;
+    }
+
+    /**
+     * Set or unset interlaced value
+     */
+    public function setInterlaced(bool $value = true): self
+    {
+        $this->interlaced = $value;
+
+        return $this;
+    }
+
+    /**
+     * Determine if local color table is present
+     */
+    public function getLocalColorTableExistance(): bool
+    {
+        return $this->localColorTableExistance;
+    }
+
+    /**
+     * Alias for getLocalColorTableExistance
+     */
+    public function hasLocalColorTable(): bool
+    {
+        return $this->getLocalColorTableExistance();
+    }
+
+    /**
+     * Set local color table flag
+     */
+    public function setLocalColorTableExistance(bool $existance = true): self
+    {
+        $this->localColorTableExistance = $existance;
+
+        return $this;
+    }
+
+    /**
+     * Get local color table sorted flag
+     */
+    public function getLocalColorTableSorted(): bool
+    {
+        return $this->localColorTableSorted;
+    }
+
+    /**
+     * Set local color table sorted flag
+     */
+    public function setLocalColorTableSorted(bool $sorted = true): self
+    {
+        $this->localColorTableSorted = $sorted;
+
+        return $this;
+    }
+
+    /**
+     * Get size of local color table
+     */
+    public function getLocalColorTableSize(): int
+    {
+        return $this->localColorTableSize;
+    }
+
+    /**
+     * Get byte size of global color table
+     */
+    public function getLocalColorTableByteSize(): int
+    {
+        return 3 * pow(2, $this->getLocalColorTableSize() + 1);
+    }
+
+    /**
+     * Set size of local color table
+     */
+    public function setLocalColorTableSize(int $size): self
+    {
+        $this->localColorTableSize = $size;
+
+        return $this;
+    }
+}