/**
* Process the object to be written
*/
public function close()
{
// initialize
$this->_data = '';
switch (get_class($this->_object)) {
case 'Shared_Escher':
if ($dggContainer = $this->_object->getDggContainer()) {
$writer = new Writer_Excel5_Escher($dggContainer);
$this->_data = $writer->close();
} else {
if ($dgContainer = $this->_object->getDgContainer()) {
$writer = new Writer_Excel5_Escher($dgContainer);
$this->_data = $writer->close();
$this->_spOffsets = $writer->getSpOffsets();
}
}
break;
case 'Shared_Escher_DggContainer':
// this is a container record
// initialize
$innerData = '';
// write the dgg
$recVer = 0x0;
$recInstance = 0x0;
$recType = 0xf006;
$recVerInstance = $recVer;
$recVerInstance |= $recInstance << 4;
// dgg data
$dggData = pack('VVVV', $this->_object->getSpIdMax(), $this->_object->getCDgSaved() + 1, $this->_object->getCSpSaved(), $this->_object->getCDgSaved());
// add file identifier clusters (one per drawing)
for ($i = 0; $i < $this->_object->getCDgSaved(); ++$i) {
$dggData .= pack('VV', 0, 0);
}
$header = pack('vvV', $recVerInstance, $recType, strlen($dggData));
$innerData .= $header . $dggData;
// write the bstoreContainer
if ($bstoreContainer = $this->_object->getBstoreContainer()) {
$writer = new Writer_Excel5_Escher($bstoreContainer);
$innerData .= $writer->close();
}
// write the record
$recVer = 0xf;
$recInstance = 0x0;
$recType = 0xf000;
$length = strlen($innerData);
$recVerInstance = $recVer;
$recVerInstance |= $recInstance << 4;
$header = pack('vvV', $recVerInstance, $recType, $length);
$this->_data = $header . $innerData;
break;
case 'Shared_Escher_DggContainer_BstoreContainer':
// this is a container record
// initialize
$innerData = '';
// treat the inner data
if ($BSECollection = $this->_object->getBSECollection()) {
foreach ($BSECollection as $BSE) {
$writer = new Writer_Excel5_Escher($BSE);
$innerData .= $writer->close();
}
}
// write the record
$recVer = 0xf;
$recInstance = count($this->_object->getBSECollection());
$recType = 0xf001;
$length = strlen($innerData);
$recVerInstance = $recVer;
$recVerInstance |= $recInstance << 4;
$header = pack('vvV', $recVerInstance, $recType, $length);
$this->_data = $header . $innerData;
break;
case 'Shared_Escher_DggContainer_BstoreContainer_BSE':
// this is a semi-container record
// initialize
$innerData = '';
// here we treat the inner data
if ($blip = $this->_object->getBlip()) {
$writer = new Writer_Excel5_Escher($blip);
$innerData .= $writer->close();
}
// initialize
$data = '';
$btWin32 = $this->_object->getBlipType();
$btMacOS = $this->_object->getBlipType();
$data .= pack('CC', $btWin32, $btMacOS);
$rgbUid = pack('VVVV', 0, 0, 0, 0);
// todo
$data .= $rgbUid;
$tag = 0;
$size = strlen($innerData);
$cRef = 1;
$foDelay = 0;
//todo
$unused1 = 0x0;
$cbName = 0x0;
$unused2 = 0x0;
$unused3 = 0x0;
$data .= pack('vVVVCCCC', $tag, $size, $cRef, $foDelay, $unused1, $cbName, $unused2, $unused3);
$data .= $innerData;
// write the record
$recVer = 0x2;
$recInstance = $this->_object->getBlipType();
$recType = 0xf007;
$length = strlen($data);
$recVerInstance = $recVer;
$recVerInstance |= $recInstance << 4;
$header = pack('vvV', $recVerInstance, $recType, $length);
$this->_data = $header;
$this->_data .= $data;
break;
case 'Shared_Escher_DggContainer_BstoreContainer_BSE_Blip':
// this is an atom record
// write the record
switch ($this->_object->getParent()->getBlipType()) {
case Shared_Escher_DggContainer_BstoreContainer_BSE::BLIPTYPE_JPEG:
// initialize
$innerData = '';
$rgbUid1 = pack('VVVV', 0, 0, 0, 0);
// todo
$innerData .= $rgbUid1;
$tag = 0xff;
// todo
$innerData .= pack('C', $tag);
$innerData .= $this->_object->getData();
$recVer = 0x0;
$recInstance = 0x46a;
$recType = 0xf01d;
$length = strlen($innerData);
$recVerInstance = $recVer;
$recVerInstance |= $recInstance << 4;
$header = pack('vvV', $recVerInstance, $recType, $length);
$this->_data = $header;
$this->_data .= $innerData;
break;
case Shared_Escher_DggContainer_BstoreContainer_BSE::BLIPTYPE_PNG:
// initialize
$innerData = '';
$rgbUid1 = pack('VVVV', 0, 0, 0, 0);
// todo
$innerData .= $rgbUid1;
$tag = 0xff;
// todo
$innerData .= pack('C', $tag);
$innerData .= $this->_object->getData();
$recVer = 0x0;
$recInstance = 0x6e0;
$recType = 0xf01e;
$length = strlen($innerData);
$recVerInstance = $recVer;
$recVerInstance |= $recInstance << 4;
$header = pack('vvV', $recVerInstance, $recType, $length);
$this->_data = $header;
$this->_data .= $innerData;
break;
}
break;
case 'Shared_Escher_DgContainer':
// this is a container record
// initialize
$innerData = '';
// write the dg
$recVer = 0x0;
$recInstance = $this->_object->getDgId();
$recType = 0xf008;
$length = 8;
$recVerInstance = $recVer;
$recVerInstance |= $recInstance << 4;
$header = pack('vvV', $recVerInstance, $recType, $length);
// number of shapes in this drawing (including group shape)
$countShapes = count($this->_object->getSpgrContainer()->getChildren());
$innerData .= $header . pack('VV', $countShapes, $this->_object->getLastSpId());
//$innerData .= $header . pack('VV', 0, 0);
// write the spgrContainer
if ($spgrContainer = $this->_object->getSpgrContainer()) {
$writer = new Writer_Excel5_Escher($spgrContainer);
$innerData .= $writer->close();
// get the shape offsets relative to the spgrContainer record
$spOffsets = $writer->getSpOffsets();
// save the shape offsets relative to dgContainer
foreach ($spOffsets as &$spOffset) {
$spOffset += 24;
// add length of dgContainer header data (8 bytes) plus dg data (16 bytes)
}
$this->_spOffsets = $spOffsets;
}
// write the record
$recVer = 0xf;
$recInstance = 0x0;
$recType = 0xf002;
$length = strlen($innerData);
$recVerInstance = $recVer;
$recVerInstance |= $recInstance << 4;
$header = pack('vvV', $recVerInstance, $recType, $length);
$this->_data = $header . $innerData;
break;
case 'Shared_Escher_DgContainer_SpgrContainer':
// this is a container record
// initialize
$innerData = '';
// initialize spape offsets
$totalSize = 8;
$spOffsets = array();
// treat the inner data
foreach ($this->_object->getChildren() as $spContainer) {
$writer = new Writer_Excel5_Escher($spContainer);
$spData = $writer->close();
$innerData .= $spData;
// save the shape offsets (where new shape records begin)
$totalSize += strlen($spData);
$spOffsets[] = $totalSize;
}
// write the record
$recVer = 0xf;
$recInstance = 0x0;
$recType = 0xf003;
$length = strlen($innerData);
$recVerInstance = $recVer;
$recVerInstance |= $recInstance << 4;
$header = pack('vvV', $recVerInstance, $recType, $length);
$this->_data = $header . $innerData;
$this->_spOffsets = $spOffsets;
break;
case 'Shared_Escher_DgContainer_SpgrContainer_SpContainer':
// initialize
$data = '';
// build the data
// write group shape record, if necessary?
if ($this->_object->getSpgr()) {
$recVer = 0x1;
$recInstance = 0x0;
$recType = 0xf009;
$length = 0x10;
$recVerInstance = $recVer;
$recVerInstance |= $recInstance << 4;
$header = pack('vvV', $recVerInstance, $recType, $length);
$data .= $header . pack('VVVV', 0, 0, 0, 0);
}
// write the shape record
$recVer = 0x2;
$recInstance = $this->_object->getSpType();
// shape type
$recType = 0xf00a;
$length = 0x8;
$recVerInstance = $recVer;
$recVerInstance |= $recInstance << 4;
$header = pack('vvV', $recVerInstance, $recType, $length);
$data .= $header . pack('VV', $this->_object->getSpId(), $this->_object->getSpgr() ? 0x5 : 0xa00);
// the options
if ($this->_object->getOPTCollection()) {
$optData = '';
$recVer = 0x3;
$recInstance = count($this->_object->getOPTCollection());
$recType = 0xf00b;
foreach ($this->_object->getOPTCollection() as $property => $value) {
$optData .= pack('vV', $property, $value);
}
$length = strlen($optData);
$recVerInstance = $recVer;
$recVerInstance |= $recInstance << 4;
$header = pack('vvV', $recVerInstance, $recType, $length);
$data .= $header . $optData;
}
// the client anchor
if ($this->_object->getStartCoordinates()) {
$clientAnchorData = '';
$recVer = 0x0;
$recInstance = 0x0;
$recType = 0xf010;
// start coordinates
list($column, $row) = Cell::coordinateFromString($this->_object->getStartCoordinates());
$c1 = Cell::columnIndexFromString($column) - 1;
$r1 = $row - 1;
// start offsetX
$startOffsetX = $this->_object->getStartOffsetX();
// start offsetY
$startOffsetY = $this->_object->getStartOffsetY();
// end coordinates
list($column, $row) = Cell::coordinateFromString($this->_object->getEndCoordinates());
$c2 = Cell::columnIndexFromString($column) - 1;
$r2 = $row - 1;
// end offsetX
$endOffsetX = $this->_object->getEndOffsetX();
// end offsetY
$endOffsetY = $this->_object->getEndOffsetY();
$clientAnchorData = pack('vvvvvvvvv', 0x2, $c1, $startOffsetX, $r1, $startOffsetY, $c2, $endOffsetX, $r2, $endOffsetY);
$length = strlen($clientAnchorData);
$recVerInstance = $recVer;
$recVerInstance |= $recInstance << 4;
$header = pack('vvV', $recVerInstance, $recType, $length);
$data .= $header . $clientAnchorData;
}
// the client data, just empty for now
if (!$this->_object->getSpgr()) {
$clientDataData = '';
$recVer = 0x0;
$recInstance = 0x0;
$recType = 0xf011;
$length = strlen($clientDataData);
$recVerInstance = $recVer;
$recVerInstance |= $recInstance << 4;
$header = pack('vvV', $recVerInstance, $recType, $length);
$data .= $header . $clientDataData;
}
// write the record
$recVer = 0xf;
$recInstance = 0x0;
$recType = 0xf004;
$length = strlen($data);
$recVerInstance = $recVer;
$recVerInstance |= $recInstance << 4;
$header = pack('vvV', $recVerInstance, $recType, $length);
$this->_data = $header . $data;
break;
}
return $this->_data;
}
/**
* Write MSODRAWING record
*/
private function _writeMsoDrawing()
{
// check if there are any shapes for this sheet
if (count($this->_phpSheet->getDrawingCollection()) == 0) {
return;
}
// create intermediate Escher object
$escher = new Shared_Escher();
// dgContainer
$dgContainer = new Shared_Escher_DgContainer();
// set the drawing index (we use sheet index + 1)
$dgContainer->setDgId($this->_phpSheet->getParent()->getIndex($this->_phpSheet) + 1);
$escher->setDgContainer($dgContainer);
// spgrContainer
$spgrContainer = new Shared_Escher_DgContainer_SpgrContainer();
$dgContainer->setSpgrContainer($spgrContainer);
// add one shape which is the group shape
$spContainer = new Shared_Escher_DgContainer_SpgrContainer_SpContainer();
$spContainer->setSpgr(true);
$spContainer->setSpType(0);
$spContainer->setSpId($this->_phpSheet->getParent()->getIndex($this->_phpSheet) + 1 << 10);
$spgrContainer->addChild($spContainer);
// add the shapes
// outer loop is for determining BSE index
$blipIndex = 0;
// 1-based index to BstoreContainer
$countShapes = 0;
// count number of shapes (minus group shape), in this sheet
foreach ($this->_phpSheet->getParent()->getAllsheets() as $sheet) {
foreach ($sheet->getDrawingCollection() as $drawing) {
++$blipIndex;
if ($sheet === $this->_phpSheet) {
++$countShapes;
// add the shape
$spContainer = new Shared_Escher_DgContainer_SpgrContainer_SpContainer();
// set the shape type
$spContainer->setSpType(0x4b);
// set the shape index (we combine 1-based sheet index and $countShapes to create unique shape index)
$spId = $countShapes | $this->_phpSheet->getParent()->getIndex($this->_phpSheet) + 1 << 10;
$spContainer->setSpId($spId);
// keep track of last spId
$lastSpId = $spId;
// set the BLIP index
$spContainer->setOPT(0x4104, $blipIndex);
// set coordinates and offsets, client anchor
$coordinates = $drawing->getCoordinates();
$offsetX = $drawing->getOffsetX();
$offsetY = $drawing->getOffsetY();
$width = $drawing->getWidth();
$height = $drawing->getHeight();
$twoAnchor = Shared_Excel5::oneAnchor2twoAnchor($this->_phpSheet, $coordinates, $offsetX, $offsetY, $width, $height);
$spContainer->setStartCoordinates($twoAnchor['startCoordinates']);
$spContainer->setStartOffsetX($twoAnchor['startOffsetX']);
$spContainer->setStartOffsetY($twoAnchor['startOffsetY']);
$spContainer->setEndCoordinates($twoAnchor['endCoordinates']);
$spContainer->setEndOffsetX($twoAnchor['endOffsetX']);
$spContainer->setEndOffsetY($twoAnchor['endOffsetY']);
$spgrContainer->addChild($spContainer);
}
}
}
// set last shape index
$dgContainer->setLastSpId($lastSpId);
// write the Escher stream
$writer = new Writer_Excel5_Escher($escher);
$data = $writer->close();
$spOffsets = $writer->getSpOffsets();
// write the neccesary MSODRAWING, OBJ records
// split the Escher stream
$spOffsets[0] = 0;
$nm = count($spOffsets) - 1;
// number of shapes excluding first shape
for ($i = 1; $i <= $nm; ++$i) {
// MSODRAWING record
$record = 0xec;
// Record identifier
// chunk of Escher stream for one shape
$dataChunk = substr($data, $spOffsets[$i - 1], $spOffsets[$i] - $spOffsets[$i - 1]);
$length = strlen($dataChunk);
$header = pack("vv", $record, $length);
$this->_append($header . $dataChunk);
// OBJ record
$record = 0x5d;
// record identifier
$objData = '';
// ftCmo
$objData .= pack('vvvvvVVV', 0x15, 0x12, 0x8, $i, 0x6011, 0, 0, 0);
// ftEnd
$objData .= pack('vv', 0x0, 0x0);
$length = strlen($objData);
$header = pack('vv', $record, $length);
$this->_append($header . $objData);
}
}
/**
* Writes the MSODRAWINGGROUP record if needed. Possibly split using CONTINUE records.
*/
private function _writeMsoDrawingGroup()
{
// any drawings in this workbook?
$found = false;
foreach ($this->_phpExcel->getAllSheets() as $sheet) {
if (count($sheet->getDrawingCollection()) > 0) {
$found = true;
}
}
// if there are drawings, then we need to write MSODRAWINGGROUP record
if ($found) {
// create intermediate Escher object
$escher = new Shared_Escher();
// dggContainer
$dggContainer = new Shared_Escher_DggContainer();
$escher->setDggContainer($dggContainer);
// this loop is for determining maximum shape identifier of all drawing
$spIdMax = 0;
$totalCountShapes = 0;
$countDrawings = 0;
foreach ($this->_phpExcel->getAllsheets() as $sheet) {
$sheetCountShapes = 0;
// count number of shapes (minus group shape), in sheet
if (count($sheet->getDrawingCollection()) > 0) {
++$countDrawings;
foreach ($sheet->getDrawingCollection() as $drawing) {
++$sheetCountShapes;
++$totalCountShapes;
$spId = $sheetCountShapes | $this->_phpExcel->getIndex($sheet) + 1 << 10;
$spIdMax = max($spId, $spIdMax);
}
}
}
$dggContainer->setSpIdMax($spIdMax + 1);
$dggContainer->setCDgSaved($countDrawings);
$dggContainer->setCSpSaved($totalCountShapes + $countDrawings);
// total number of shapes incl. one group shapes per drawing
// bstoreContainer
$bstoreContainer = new Shared_Escher_DggContainer_BstoreContainer();
$dggContainer->setBstoreContainer($bstoreContainer);
// the BSE's (all the images)
foreach ($this->_phpExcel->getAllsheets() as $sheet) {
foreach ($sheet->getDrawingCollection() as $drawing) {
if ($drawing instanceof Worksheet_Drawing) {
$filename = $drawing->getPath();
list($imagesx, $imagesy, $imageFormat) = getimagesize($filename);
switch ($imageFormat) {
case 1:
// GIF, not supported by BIFF8, we convert to PNG
$blipType = Shared_Escher_DggContainer_BstoreContainer_BSE::BLIPTYPE_PNG;
$imageResource = imagecreatefromgif($filename);
ob_start();
imagepng($imageResource);
$blipData = ob_get_contents();
ob_end_clean();
break;
case 2:
// JPEG
$blipType = Shared_Escher_DggContainer_BstoreContainer_BSE::BLIPTYPE_JPEG;
$blipData = file_get_contents($filename);
break;
case 3:
// PNG
$blipType = Shared_Escher_DggContainer_BstoreContainer_BSE::BLIPTYPE_PNG;
$blipData = file_get_contents($filename);
break;
case 6:
// Windows DIB (BMP), we convert to PNG
$blipType = Shared_Escher_DggContainer_BstoreContainer_BSE::BLIPTYPE_PNG;
$imageResource = Shared_Drawing::imagecreatefrombmp($filename);
ob_start();
imagepng($imageResource);
$blipData = ob_get_contents();
ob_end_clean();
break;
default:
continue 2;
}
$blip = new Shared_Escher_DggContainer_BstoreContainer_BSE_Blip();
$blip->setData($blipData);
$BSE = new Shared_Escher_DggContainer_BstoreContainer_BSE();
$BSE->setBlipType($blipType);
$BSE->setBlip($blip);
$bstoreContainer->addBSE($BSE);
} else {
if ($drawing instanceof Worksheet_MemoryDrawing) {
switch ($drawing->getRenderingFunction()) {
case Worksheet_MemoryDrawing::RENDERING_JPEG:
$blipType = Shared_Escher_DggContainer_BstoreContainer_BSE::BLIPTYPE_JPEG;
$renderingFunction = 'imagejpeg';
break;
case Worksheet_MemoryDrawing::RENDERING_GIF:
case Worksheet_MemoryDrawing::RENDERING_PNG:
case Worksheet_MemoryDrawing::RENDERING_DEFAULT:
$blipType = Shared_Escher_DggContainer_BstoreContainer_BSE::BLIPTYPE_PNG;
$renderingFunction = 'imagepng';
break;
}
ob_start();
call_user_func($renderingFunction, $drawing->getImageResource());
$blipData = ob_get_contents();
ob_end_clean();
$blip = new Shared_Escher_DggContainer_BstoreContainer_BSE_Blip();
$blip->setData($blipData);
$BSE = new Shared_Escher_DggContainer_BstoreContainer_BSE();
$BSE->setBlipType($blipType);
$BSE->setBlip($blip);
$bstoreContainer->addBSE($BSE);
}
}
}
}
// write the Escher stream from the intermediate Escher object
$writer = new Writer_Excel5_Escher($escher);
$data = $writer->close();
$record = 0xeb;
$length = strlen($data);
$header = pack("vv", $record, $length);
return $this->writeData($header . $data);
}
}