本文整理汇总了PHP中Zend_Pdf_Resource_Image类的典型用法代码示例。如果您正苦于以下问题：PHP Zend_Pdf_Resource_Image类的具体用法？PHP Zend_Pdf_Resource_Image怎么用？PHP Zend_Pdf_Resource_Image使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了Zend_Pdf_Resource_Image类的5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，您的评价将有助于我们的系统推荐出更棒的PHP代码示例。
示例1: __construct
/**
* Object constructor
*
* @param string $imageFileName
* @throws Zend_Pdf_Exception
*/
public function __construct($imageFileName)
{
if (($imageFile = @fopen($imageFileName, 'rb')) === false) {
// require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception("Can not open '{$imageFileName}' file for reading.");
}
$byteOrderIndicator = fread($imageFile, 2);
if ($byteOrderIndicator == 'II') {
$this->_endianType = Zend_Pdf_Resource_Image_Tiff::TIFF_ENDIAN_LITTLE;
} else {
if ($byteOrderIndicator == 'MM') {
$this->_endianType = Zend_Pdf_Resource_Image_Tiff::TIFF_ENDIAN_BIG;
} else {
// require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception("Not a tiff file or Tiff corrupt. No byte order indication found");
}
}
$version = $this->unpackBytes(Zend_Pdf_Resource_Image_Tiff::UNPACK_TYPE_SHORT, fread($imageFile, 2));
if ($version != 42) {
// require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception("Not a tiff file or Tiff corrupt. Incorrect version number.");
}
$ifdOffset = $this->unpackBytes(Zend_Pdf_Resource_Image_Tiff::UNPACK_TYPE_LONG, fread($imageFile, 4));
$fileStats = fstat($imageFile);
$this->_fileSize = $fileStats['size'];
/*
* Tiff files are stored as a series of Image File Directories (IFD) each direcctory
* has a specific number of entries each 12 bytes in length. At the end of the directories
* is four bytes pointing to the offset of the next IFD.
*/
while ($ifdOffset > 0) {
if (fseek($imageFile, $ifdOffset, SEEK_SET) == -1 || $ifdOffset + 2 >= $this->_fileSize) {
// require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception("Could not seek to the image file directory as indexed by the file. Likely cause is TIFF corruption. Offset: " . $ifdOffset);
}
$numDirEntries = $this->unpackBytes(Zend_Pdf_Resource_Image_Tiff::UNPACK_TYPE_SHORT, fread($imageFile, 2));
/*
* Since we now know how many entries are in this (IFD) we can extract the data.
* The format of a TIFF directory entry is:
*
* 2 bytes (short) tag code; See TIFF_TAG constants at the top for supported values. (There are many more in the spec)
* 2 bytes (short) field type
* 4 bytes (long) number of values, or value count.
* 4 bytes (mixed) data if the data will fit into 4 bytes or an offset if the data is too large.
*/
for ($dirEntryIdx = 1; $dirEntryIdx <= $numDirEntries; $dirEntryIdx++) {
$tag = $this->unpackBytes(Zend_Pdf_Resource_Image_Tiff::UNPACK_TYPE_SHORT, fread($imageFile, 2));
$fieldType = $this->unpackBytes(Zend_Pdf_Resource_Image_Tiff::UNPACK_TYPE_SHORT, fread($imageFile, 2));
$valueCount = $this->unpackBytes(Zend_Pdf_Resource_Image_Tiff::UNPACK_TYPE_LONG, fread($imageFile, 4));
switch ($fieldType) {
case Zend_Pdf_Resource_Image_Tiff::TIFF_FIELD_TYPE_BYTE:
$fieldLength = $valueCount;
break;
case Zend_Pdf_Resource_Image_Tiff::TIFF_FIELD_TYPE_ASCII:
$fieldLength = $valueCount;
break;
case Zend_Pdf_Resource_Image_Tiff::TIFF_FIELD_TYPE_SHORT:
$fieldLength = $valueCount * 2;
break;
case Zend_Pdf_Resource_Image_Tiff::TIFF_FIELD_TYPE_LONG:
$fieldLength = $valueCount * 4;
break;
case Zend_Pdf_Resource_Image_Tiff::TIFF_FIELD_TYPE_RATIONAL:
$fieldLength = $valueCount * 8;
break;
default:
$fieldLength = $valueCount;
}
$offsetBytes = fread($imageFile, 4);
if ($fieldLength <= 4) {
switch ($fieldType) {
case Zend_Pdf_Resource_Image_Tiff::TIFF_FIELD_TYPE_BYTE:
$value = $this->unpackBytes(Zend_Pdf_Resource_Image_Tiff::UNPACK_TYPE_BYTE, $offsetBytes);
break;
case Zend_Pdf_Resource_Image_Tiff::TIFF_FIELD_TYPE_ASCII:
//Fall through to next case
//Fall through to next case
case Zend_Pdf_Resource_Image_Tiff::TIFF_FIELD_TYPE_LONG:
$value = $this->unpackBytes(Zend_Pdf_Resource_Image_Tiff::UNPACK_TYPE_LONG, $offsetBytes);
break;
case Zend_Pdf_Resource_Image_Tiff::TIFF_FIELD_TYPE_SHORT:
//Fall through to next case
//Fall through to next case
default:
$value = $this->unpackBytes(Zend_Pdf_Resource_Image_Tiff::UNPACK_TYPE_SHORT, $offsetBytes);
}
} else {
$refOffset = $this->unpackBytes(Zend_Pdf_Resource_Image_Tiff::UNPACK_TYPE_LONG, $offsetBytes);
}
/*
* Linear tag processing is probably not the best way to do this. I've processed the tags according to the
* Tiff 6 specification and make some assumptions about when tags will be < 4 bytes and fit into $value and when
* they will be > 4 bytes and require seek/extraction of the offset. Same goes for extracting arrays of data, like
* the data offsets and length. This should be fixed in the future.
//.........这里部分代码省略.........
开发者ID:yonetici，项目名称:pimcore-coreshop-demo，代码行数:101，代码来源:Tiff.php
示例2: __construct
/**
* Object constructor
*
* @param string $imageFileName
* @throws Zend_Pdf_Exception
* @todo Add compression conversions to support compression strategys other than PNG_COMPRESSION_DEFAULT_STRATEGY.
* @todo Add pre-compression filtering.
* @todo Add interlaced image handling.
* @todo Add support for 16-bit images. Requires PDF version bump to 1.5 at least.
* @todo Add processing for all PNG chunks defined in the spec. gAMA etc.
* @todo Fix tRNS chunk support for Indexed Images to a SMask.
*/
public function __construct($imageFileName)
{
if (($imageFile = @fopen($imageFileName, 'rb')) === false) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception("Can not open '{$imageFileName}' file for reading.");
}
parent::__construct();
//Check if the file is a PNG
fseek($imageFile, 1, SEEK_CUR);
//First signature byte (%)
if ('PNG' != fread($imageFile, 3)) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Image is not a PNG');
}
fseek($imageFile, 12, SEEK_CUR);
//Signature bytes (Includes the IHDR chunk) IHDR processed linerarly because it doesnt contain a variable chunk length
$wtmp = unpack('Ni', fread($imageFile, 4));
//Unpack a 4-Byte Long
$width = $wtmp['i'];
$htmp = unpack('Ni', fread($imageFile, 4));
$height = $htmp['i'];
$bits = ord(fread($imageFile, 1));
//Higher than 8 bit depths are only supported in later versions of PDF.
$color = ord(fread($imageFile, 1));
$compression = ord(fread($imageFile, 1));
$prefilter = ord(fread($imageFile, 1));
if (($interlacing = ord(fread($imageFile, 1))) != Zend_Pdf_Resource_Image_Png::PNG_INTERLACING_DISABLED) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception("Only non-interlaced images are currently supported.");
}
$this->_width = $width;
$this->_height = $height;
$this->_imageProperties = array();
$this->_imageProperties['bitDepth'] = $bits;
$this->_imageProperties['pngColorType'] = $color;
$this->_imageProperties['pngFilterType'] = $prefilter;
$this->_imageProperties['pngCompressionType'] = $compression;
$this->_imageProperties['pngInterlacingType'] = $interlacing;
fseek($imageFile, 4, SEEK_CUR);
//4 Byte Ending Sequence
$imageData = '';
/*
* The following loop processes PNG chunks. 4 Byte Longs are packed first give the chunk length
* followed by the chunk signature, a four byte code. IDAT and IEND are manditory in any PNG.
*/
while (!feof($imageFile)) {
$chunkLengthBytes = fread($imageFile, 4);
if ($chunkLengthBytes === false) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Error ocuured while image file reading.');
}
$chunkLengthtmp = unpack('Ni', $chunkLengthBytes);
$chunkLength = $chunkLengthtmp['i'];
$chunkType = fread($imageFile, 4);
switch ($chunkType) {
case 'IDAT':
//Image Data
/*
* Reads the actual image data from the PNG file. Since we know at this point that the compression
* strategy is the default strategy, we also know that this data is Zip compressed. We will either copy
* the data directly to the PDF and provide the correct FlateDecode predictor, or decompress the data
* decode the filters and output the data as a raw pixel map.
*/
$imageData .= fread($imageFile, $chunkLength);
fseek($imageFile, 4, SEEK_CUR);
break;
case 'PLTE':
//Palette
$paletteData = fread($imageFile, $chunkLength);
fseek($imageFile, 4, SEEK_CUR);
break;
case 'tRNS':
//Basic (non-alpha channel) transparency.
$trnsData = fread($imageFile, $chunkLength);
switch ($color) {
case Zend_Pdf_Resource_Image_Png::PNG_CHANNEL_GRAY:
$baseColor = ord(substr($trnsData, 1, 1));
$transparencyData = array(new Zend_Pdf_Element_Numeric($baseColor), new Zend_Pdf_Element_Numeric($baseColor));
break;
case Zend_Pdf_Resource_Image_Png::PNG_CHANNEL_RGB:
$red = ord(substr($trnsData, 1, 1));
$green = ord(substr($trnsData, 3, 1));
$blue = ord(substr($trnsData, 5, 1));
$transparencyData = array(new Zend_Pdf_Element_Numeric($red), new Zend_Pdf_Element_Numeric($red), new Zend_Pdf_Element_Numeric($green), new Zend_Pdf_Element_Numeric($green), new Zend_Pdf_Element_Numeric($blue), new Zend_Pdf_Element_Numeric($blue));
break;
case Zend_Pdf_Resource_Image_Png::PNG_CHANNEL_INDEXED:
//Find the first transparent color in the index, we will mask that. (This is a bit of a hack. This should be a SMask and mask all entries values).
if (($trnsIdx = strpos($trnsData, "")) !== false) {
//.........这里部分代码省略.........
开发者ID:namgiangle90，项目名称:tokyobaito，代码行数:101，代码来源:Png.php
示例3: drawImage
/**
* Draw an image at the specified position on the page.
*
* @param Zend_Pdf_Image $image
* @param float $x1
* @param float $y1
* @param float $x2
* @param float $y2
*/
public function drawImage(Zend_Pdf_Resource_Image $image, $x1, $y1, $x2, $y2)
{
$this->_addProcSet('PDF');
$imageName = $this->_attachResource('XObject', $image->getResource());
$imageNameObj = new Zend_Pdf_Element_Name($imageName);
$x1Obj = new Zend_Pdf_Element_Numeric($x1);
$y1Obj = new Zend_Pdf_Element_Numeric($y1);
$widthObj = new Zend_Pdf_Element_Numeric($x2 - $x1);
$heightObj = new Zend_Pdf_Element_Numeric($y2 - $y1);
$this->_contents .= "q\n" . '1 0 0 1 ' . $x1Obj->toString() . ' ' . $y1Obj->toString() . " cm\n" . $widthObj->toString() . ' 0 0 ' . $heightObj->toString() . " 0 0 cm\n" . $imageNameObj->toString() . " Do\n" . "Q\n";
}
开发者ID:josephholsten，项目名称:swaplady，代码行数:20，代码来源:Page.php
示例4: __construct
public function __construct($imageFileName)
{
if (($imageFile = @fopen($imageFileName, 'rb')) === false) {
throw new Zend_Pdf_Exception("Can not open '{$imageFileName}' file for reading.");
}
$byteOrderIndicator = fread($imageFile, 2);
if ($byteOrderIndicator == 'II') {
$this->_endianType = Zend_Pdf_Resource_Image_Tiff::TIFF_ENDIAN_LITTLE;
} else {
if ($byteOrderIndicator == 'MM') {
$this->_endianType = Zend_Pdf_Resource_Image_Tiff::TIFF_ENDIAN_BIG;
} else {
throw new Zend_Pdf_Exception("Not a tiff file or Tiff corrupt. No byte order indication found");
}
}
$version = $this->unpackBytes(Zend_Pdf_Resource_Image_Tiff::UNPACK_TYPE_SHORT, fread($imageFile, 2));
if ($version != 42) {
throw new Zend_Pdf_Exception("Not a tiff file or Tiff corrupt. Incorrect version number.");
}
$ifdOffset = $this->unpackBytes(Zend_Pdf_Resource_Image_Tiff::UNPACK_TYPE_LONG, fread($imageFile, 4));
$fileStats = fstat($imageFile);
$this->_fileSize = $fileStats['size'];
while ($ifdOffset > 0) {
if (fseek($imageFile, $ifdOffset, SEEK_SET) == -1 || $ifdOffset + 2 >= $this->_fileSize) {
throw new Zend_Pdf_Exception("Could not seek to the image file directory as indexed by the file. Likely cause is TIFF corruption. Offset: " . $ifdOffset);
}
$numDirEntries = $this->unpackBytes(Zend_Pdf_Resource_Image_Tiff::UNPACK_TYPE_SHORT, fread($imageFile, 2));
for ($dirEntryIdx = 1; $dirEntryIdx <= $numDirEntries; $dirEntryIdx++) {
$tag = $this->unpackBytes(Zend_Pdf_Resource_Image_Tiff::UNPACK_TYPE_SHORT, fread($imageFile, 2));
$fieldType = $this->unpackBytes(Zend_Pdf_Resource_Image_Tiff::UNPACK_TYPE_SHORT, fread($imageFile, 2));
$valueCount = $this->unpackBytes(Zend_Pdf_Resource_Image_Tiff::UNPACK_TYPE_LONG, fread($imageFile, 4));
switch ($fieldType) {
case Zend_Pdf_Resource_Image_Tiff::TIFF_FIELD_TYPE_BYTE:
$fieldLength = $valueCount;
break;
case Zend_Pdf_Resource_Image_Tiff::TIFF_FIELD_TYPE_ASCII:
$fieldLength = $valueCount;
break;
case Zend_Pdf_Resource_Image_Tiff::TIFF_FIELD_TYPE_SHORT:
$fieldLength = $valueCount * 2;
break;
case Zend_Pdf_Resource_Image_Tiff::TIFF_FIELD_TYPE_LONG:
$fieldLength = $valueCount * 4;
break;
case Zend_Pdf_Resource_Image_Tiff::TIFF_FIELD_TYPE_RATIONAL:
$fieldLength = $valueCount * 8;
break;
default:
$fieldLength = $valueCount;
}
$offsetBytes = fread($imageFile, 4);
if ($fieldLength <= 4) {
switch ($fieldType) {
case Zend_Pdf_Resource_Image_Tiff::TIFF_FIELD_TYPE_BYTE:
$value = $this->unpackBytes(Zend_Pdf_Resource_Image_Tiff::UNPACK_TYPE_BYTE, $offsetBytes);
break;
case Zend_Pdf_Resource_Image_Tiff::TIFF_FIELD_TYPE_ASCII:
case Zend_Pdf_Resource_Image_Tiff::TIFF_FIELD_TYPE_LONG:
$value = $this->unpackBytes(Zend_Pdf_Resource_Image_Tiff::UNPACK_TYPE_LONG, $offsetBytes);
break;
case Zend_Pdf_Resource_Image_Tiff::TIFF_FIELD_TYPE_SHORT:
default:
$value = $this->unpackBytes(Zend_Pdf_Resource_Image_Tiff::UNPACK_TYPE_SHORT, $offsetBytes);
}
} else {
$refOffset = $this->unpackBytes(Zend_Pdf_Resource_Image_Tiff::UNPACK_TYPE_LONG, $offsetBytes);
}
switch ($tag) {
case Zend_Pdf_Resource_Image_Tiff::TIFF_TAG_IMAGE_WIDTH:
$this->_width = $value;
break;
case Zend_Pdf_Resource_Image_Tiff::TIFF_TAG_IMAGE_LENGTH:
$this->_height = $value;
break;
case Zend_Pdf_Resource_Image_Tiff::TIFF_TAG_BITS_PER_SAMPLE:
if ($valueCount > 1) {
$fp = ftell($imageFile);
fseek($imageFile, $refOffset, SEEK_SET);
$this->_bitsPerSample = $this->unpackBytes(Zend_Pdf_Resource_Image_Tiff::UNPACK_TYPE_SHORT, fread($imageFile, 2));
fseek($imageFile, $fp, SEEK_SET);
} else {
$this->_bitsPerSample = $value;
}
break;
case Zend_Pdf_Resource_Image_Tiff::TIFF_TAG_COMPRESSION:
$this->_compression = $value;
switch ($value) {
case Zend_Pdf_Resource_Image_Tiff::TIFF_COMPRESSION_UNCOMPRESSED:
$this->_filter = 'None';
break;
case Zend_Pdf_Resource_Image_Tiff::TIFF_COMPRESSION_CCITT1D:
case Zend_Pdf_Resource_Image_Tiff::TIFF_COMPRESSION_GROUP_3_FAX:
case Zend_Pdf_Resource_Image_Tiff::TIFF_COMPRESSION_GROUP_4_FAX:
$this->_filter = 'CCITTFaxDecode';
throw new Zend_Pdf_Exception("CCITTFaxDecode Compression Mode Not Currently Supported");
break;
case Zend_Pdf_Resource_Image_Tiff::TIFF_COMPRESSION_LZW:
$this->_filter = 'LZWDecode';
throw new Zend_Pdf_Exception("LZWDecode Compression Mode Not Currently Supported");
break;
//.........这里部分代码省略.........
开发者ID:subashemphasize，项目名称:test_site，代码行数:101，代码来源:Pdf_Pack.php
示例5: __construct
/**
* Object constructor
*
* @param string $imageFileName
* @throws Zend_Pdf_Exception
*/
public function __construct($imageFileName)
{
if (!function_exists('gd_info')) {
throw new Zend_Pdf_Exception('Image extension is not installed.');
}
$gd_options = gd_info();
if (!$gd_options['JPG Support']) {
throw new Zend_Pdf_Exception('JPG support is not configured properly.');
}
if (($imageInfo = getimagesize($imageFileName)) === false) {
throw new Zend_Pdf_Exception('Corrupted image or image doesn\'t exist.');
}
if ($imageInfo[2] != IMAGETYPE_JPEG && $imageInfo[2] != IMAGETYPE_JPEG2000) {
throw new Zend_Pdf_Exception('ImageType is not JPG');
}
parent::__construct();
switch ($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($imageFileName, 'rb')) === false) {
throw new Zend_Pdf_Exception("Can not open '{$imageFileName}' file for reading.");
}
$byteCount = filesize($imageFileName);
$this->_resource->value = '';
while ($byteCount > 0 && ($nextBlock = fread($imageFile, $byteCount)) != false) {
$this->_resource->value .= $nextBlock;
$byteCount -= strlen($nextBlock);
}
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'];
}
开发者ID:dalinhuang，项目名称:popo，代码行数:63，代码来源:Jpeg.php
注：本文中的Zend_Pdf_Resource_Image类示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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