Zend_Pdf_Resource_Image_Jpeg Class Reference

Inheritance diagram for Zend_Pdf_Resource_Image_Jpeg:

Public Member Functions
	__construct ($imageFileName)
	getPixelWidth ()
	getPixelHeight ()
	getProperties ()
Public Member Functions inherited from Zend_Pdf_Resource_Image
	__construct ()
	getPixelHeight ()
	getPixelWidth ()
	getProperties ()
Public Member Functions inherited from Zend_Pdf_Resource
	__construct ($resource)
	__clone ()
	cloneResource ($factory, &$processed)
	getResource ()
	getFactory ()

Protected Attributes
	$_width
	$_height
	$_imageProperties
Protected Attributes inherited from Zend_Pdf_Resource
	$_objectFactory
	$_resource

Detailed Description

Definition at line 38 of file Jpeg.php.

Constructor & Destructor Documentation

__construct()

__construct

(

$imageFileName

)

Object constructor

Parameters

string

$imageFileName

Exceptions

Zend_Pdf_Exception

Definition at line 51 of file Jpeg.php.

    {
        if (!function_exists('gd_info')) {
            #require_once 'Zend/Pdf/Exception.php';
            throw new Zend_Pdf_Exception('Image extension is not installed.');
        }

        $gd_options = gd_info();
        if ( (!isset($gd_options['JPG Support'])  || $gd_options['JPG Support']  != true)  &&
             (!isset($gd_options['JPEG Support']) || $gd_options['JPEG Support'] != true)  ) {
            #require_once 'Zend/Pdf/Exception.php';
            throw new Zend_Pdf_Exception('JPG support is not configured properly.');
        }

        if (($imageInfo = getimagesize($imageFileName)) === false) {
            #require_once 'Zend/Pdf/Exception.php';
            throw new Zend_Pdf_Exception('Corrupted image or image doesn\'t exist.');
        }
        if ($imageInfo[2] != IMAGETYPE_JPEG && $imageInfo[2] != IMAGETYPE_JPEG2000) {
            #require_once 'Zend/Pdf/Exception.php';
            throw new Zend_Pdf_Exception('ImageType is not JPG');
        }

        parent::__construct();

        switch ($imageInfo['channels']) {
            case 3:
                $colorSpace = 'DeviceRGB';
                break;
            case 4:
                $colorSpace = 'DeviceCMYK';
                break;
            default:
                $colorSpace = 'DeviceGray';
                break;
        }

        $imageDictionary = $this->_resource->dictionary;
        $imageDictionary->Width            = new Zend_Pdf_Element_Numeric($imageInfo[0]);
        $imageDictionary->Height           = new Zend_Pdf_Element_Numeric($imageInfo[1]);
        $imageDictionary->ColorSpace       = new Zend_Pdf_Element_Name($colorSpace);
        $imageDictionary->BitsPerComponent = new Zend_Pdf_Element_Numeric($imageInfo['bits']);
        if ($imageInfo[2] == IMAGETYPE_JPEG) {
            $imageDictionary->Filter       = new Zend_Pdf_Element_Name('DCTDecode');
        } else if ($imageInfo[2] == IMAGETYPE_JPEG2000){
            $imageDictionary->Filter       = new Zend_Pdf_Element_Name('JPXDecode');
        }

        if (($imageFile = @fopen($imageFileName, 'rb')) === false ) {
            #require_once 'Zend/Pdf/Exception.php';
            throw new Zend_Pdf_Exception( "Can not open '$imageFileName' file for reading." );
        }
        $byteCount = filesize($imageFileName);
        $this->_resource->value = '';

        while ($byteCount > 0 && !feof($imageFile)) {
            $nextBlock = fread($imageFile, $byteCount);
            if ($nextBlock === false) {
                #require_once 'Zend/Pdf/Exception.php';
                throw new Zend_Pdf_Exception( "Error occured while '$imageFileName' file reading." );
            }

            $this->_resource->value .= $nextBlock;
            $byteCount -= strlen($nextBlock);
        }
        if ($byteCount != 0) {
            #require_once 'Zend/Pdf/Exception.php';
            throw new Zend_Pdf_Exception( "Error occured while '$imageFileName' file reading." );
        }
        fclose($imageFile);
        $this->_resource->skipFilters();

        $this->_width  = $imageInfo[0];
        $this->_height = $imageInfo[1];
        $this->_imageProperties = array();
        $this->_imageProperties['bitDepth'] = $imageInfo['bits'];
        $this->_imageProperties['jpegImageType'] = $imageInfo[2];
        $this->_imageProperties['jpegColorType'] = $imageInfo['channels'];
    }

Member Function Documentation

getPixelHeight()

getPixelHeight

(

)

Image height

Definition at line 141 of file Jpeg.php.

                                     {
        return $this->_height;
    }

getPixelWidth()

getPixelWidth

(

)

Image width

Definition at line 134 of file Jpeg.php.

                                    {
        return $this->_width;
    }

getProperties()

getProperties

(

)

Image properties

Definition at line 148 of file Jpeg.php.

                                    {
        return $this->_imageProperties;
    }

Field Documentation

$_height

$_height

protected

Definition at line 42 of file Jpeg.php.

$_imageProperties

$_imageProperties

protected

Definition at line 43 of file Jpeg.php.

$_width

$_width

protected

Definition at line 41 of file Jpeg.php.

---

The documentation for this class was generated from the following file:

• vendor/magento/zendframework1/library/Zend/Pdf/Resource/Image/Jpeg.php