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<?php |
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namespace Elphin\IcoFileLoader; |
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/** |
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* Holds data on an image within an Icon |
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*/ |
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class IconImage |
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{ |
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/** |
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* @var integer Width, in pixels, of the image |
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*/ |
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public $width; |
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/** |
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* @var integer Height, in pixels, of the image |
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*/ |
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public $height; |
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/** |
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* @var integer Number of colors in image |
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*/ |
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public $colorCount; |
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/** |
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* @var integer Reserved ( must be 0) |
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*/ |
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public $reserved; |
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/** |
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* @var integer Color Planes |
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*/ |
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public $planes; |
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/** |
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* @var integer bits per pixel |
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*/ |
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public $bitCount; |
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/** |
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* @var integer How many bytes in this resource? |
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*/ |
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public $sizeInBytes; |
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/** |
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* @var integer Where in the file is this image? |
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*/ |
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public $fileOffset; |
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/** |
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* @var integer size of BITMAPINFOHEADER structure |
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*/ |
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public $bmpHeaderSize; |
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/** |
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* @var integer image width from BITMAPINFOHEADER |
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*/ |
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public $bmpHeaderWidth; |
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/** |
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* @var integer image height from BITMAPINFOHEADER |
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*/ |
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public $bmpHeaderHeight; |
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/** |
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* @var string PNG file for icon images which use PNG |
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*/ |
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public $pngData = null; |
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/** |
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* @var string BMP bitmap data for images which use BMP |
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*/ |
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public $bmpData = null; |
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public $palette = []; |
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/** |
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* IconEntry constructor. |
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* @param array $data array of data extracted from a ICONDIRENTRY binary structure |
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*/ |
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public function __construct($data) |
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{ |
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foreach ($data as $name => $value) { |
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$this->$name = $value; |
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} |
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} |
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public function getDescription() |
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{ |
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return sprintf( |
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'%dx%d pixel %s @ %d bits/pixel', |
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$this->width, |
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$this->height, |
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$this->isPng() ? 'PNG' : 'BMP', |
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$this->bitCount |
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); |
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} |
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/** |
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* Stores binary PNG file for the icon |
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* @param string $pngData |
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*/ |
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public function setPngFile($pngData) |
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{ |
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$this->pngData = $pngData; |
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} |
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public function isPng() |
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{ |
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return !empty($this->pngData); |
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} |
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public function isBmp() |
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{ |
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return empty($this->pngData); |
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} |
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public function setBitmapInfoHeader($bmpInfo) |
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{ |
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if ($this->bitCount!=$bmpInfo['BitCount']) { |
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//the original code updated the ICONDIRENTRY with this, but it doesn't seem necessary... |
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throw new \Exception("bit count changed from ".$this->bitCount. " to ".$bmpInfo['BitCount']); |
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} |
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//we need this to calculate offsets when rendering |
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$this->bmpHeaderWidth = $bmpInfo['Width']; |
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$this->bmpHeaderHeight = $bmpInfo['Height']; |
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$this->bmpHeaderSize = $bmpInfo['Size']; |
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} |
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public function setBitmapData($bmpData) |
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{ |
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$this->bmpData = $bmpData; |
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} |
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8 |
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public function addToBmpPalette($r, $g, $b, $reserved) |
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{ |
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$this->palette[] = ['red' => $r, 'green' => $g, 'blue' => $b, 'reserved' => $reserved]; |
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8 |
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} |
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} |
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lordelph /
icofileloader
