本文整理汇总了PHP中Zend_Pdf_Image::_extractPngImage方法的典型用法代码示例。如果您正苦于以下问题：PHP Zend_Pdf_Image::_extractPngImage方法的具体用法？PHP Zend_Pdf_Image::_extractPngImage怎么用？PHP Zend_Pdf_Image::_extractPngImage使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Zend_Pdf_Image的用法示例。
在下文中一共展示了Zend_Pdf_Image::_extractPngImage方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: imageWithPath
/**
* Returns a {@link Zend_Pdf_Resource_Image} object by file path.
*
* @param string $filePath Full path to the image file.
* @return Zend_Pdf_Resource_Image
* @throws Zend_Pdf_Exception
*/
public static function imageWithPath($filePath)
{
/**
* use old implementation
* @todo switch to new implementation
*/
// require_once 'Zend/Pdf/Resource/ImageFactory.php';
return Zend_Pdf_Resource_ImageFactory::factory($filePath);
/* Create a file parser data source object for this file. File path and
* access permission checks are handled here.
*/
// require_once 'Zend/Pdf/FileParserDataSource/File.php';
$dataSource = new Zend_Pdf_FileParserDataSource_File($filePath);
/* Attempt to determine the type of image. We can't always trust file
* extensions, but try that first since it's fastest.
*/
$fileExtension = strtolower(pathinfo($filePath, PATHINFO_EXTENSION));
/* If it turns out that the file is named improperly and we guess the
* wrong type, we'll get null instead of an image object.
*/
switch ($fileExtension) {
case 'tif':
//Fall through to next case;
//Fall through to next case;
case 'tiff':
$image = Zend_Pdf_Image::_extractTiffImage($dataSource);
break;
case 'png':
$image = Zend_Pdf_Image::_extractPngImage($dataSource);
break;
case 'jpg':
//Fall through to next case;
//Fall through to next case;
case 'jpe':
//Fall through to next case;
//Fall through to next case;
case 'jpeg':
$image = Zend_Pdf_Image::_extractJpegImage($dataSource);
break;
default:
// require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception("Cannot create image resource. File extension not known or unsupported type.");
break;
}
/* Done with the data source object.
*/
$dataSource = null;
if ($image !== null) {
return $image;
} else {
/* The type of image could not be determined. Give up.
*/
// require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception("Cannot determine image type: {$filePath}", Zend_Pdf_Exception::CANT_DETERMINE_IMAGE_TYPE);
}
}示例2: imageWithPath
public static function imageWithPath($filePath)
{
return Zend_Pdf_Resource_ImageFactory::factory($filePath);
$dataSource = new Zend_Pdf_FileParserDataSource_File($filePath);
$fileExtension = strtolower(pathinfo($filePath, PATHINFO_EXTENSION));
switch ($fileExtension) {
case 'tif':
case 'tiff':
$image = Zend_Pdf_Image::_extractTiffImage($dataSource);
break;
case 'png':
$image = Zend_Pdf_Image::_extractPngImage($dataSource);
break;
case 'jpg':
case 'jpe':
case 'jpeg':
$image = Zend_Pdf_Image::_extractJpegImage($dataSource);
break;
default:
throw new Zend_Pdf_Exception("Cannot create image resource. File extension not known or unsupported type.");
break;
}
$dataSource = null;
if ($image !== null) {
return $image;
} else {
throw new Zend_Pdf_Exception("Cannot determine image type: {$filePath}", Zend_Pdf_Exception::CANT_DETERMINE_IMAGE_TYPE);
}
}