/**
* Build the Escher object corresponding to the MSODRAWINGGROUP record
*/
private function _buildWorkbookEscher()
{
$escher = null;
// any drawings in this workbook?
$found = false;
foreach ($this->_phpExcel->getAllSheets() as $sheet) {
if (count($sheet->getDrawingCollection()) > 0) {
$found = true;
break;
}
}
// nothing to do if there are no drawings
if (!$found) {
return;
}
// if we reach here, then there are drawings in the workbook
$escher = new PHPExcel_Shared_Escher();
// dggContainer
$dggContainer = new PHPExcel_Shared_Escher_DggContainer();
$escher->setDggContainer($dggContainer);
// set IDCLs (identifier clusters)
$dggContainer->setIDCLs($this->_IDCLs);
// 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 PHPExcel_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 PHPExcel_Worksheet_Drawing) {
$filename = $drawing->getPath();
list($imagesx, $imagesy, $imageFormat) = getimagesize($filename);
switch ($imageFormat) {
case 1:
// GIF, not supported by BIFF8, we convert to PNG
$blipType = PHPExcel_Shared_Escher_DggContainer_BstoreContainer_BSE::BLIPTYPE_PNG;
ob_start();
imagepng(imagecreatefromgif($filename));
$blipData = ob_get_contents();
ob_end_clean();
break;
case 2:
// JPEG
$blipType = PHPExcel_Shared_Escher_DggContainer_BstoreContainer_BSE::BLIPTYPE_JPEG;
$blipData = file_get_contents($filename);
break;
case 3:
// PNG
$blipType = PHPExcel_Shared_Escher_DggContainer_BstoreContainer_BSE::BLIPTYPE_PNG;
$blipData = file_get_contents($filename);
break;
case 6:
// Windows DIB (BMP), we convert to PNG
$blipType = PHPExcel_Shared_Escher_DggContainer_BstoreContainer_BSE::BLIPTYPE_PNG;
ob_start();
imagepng(PHPExcel_Shared_Drawing::imagecreatefrombmp($filename));
$blipData = ob_get_contents();
ob_end_clean();
break;
default:
continue 2;
}
$blip = new PHPExcel_Shared_Escher_DggContainer_BstoreContainer_BSE_Blip();
$blip->setData($blipData);
$BSE = new PHPExcel_Shared_Escher_DggContainer_BstoreContainer_BSE();
$BSE->setBlipType($blipType);
$BSE->setBlip($blip);
$bstoreContainer->addBSE($BSE);
} else {
if ($drawing instanceof PHPExcel_Worksheet_MemoryDrawing) {
switch ($drawing->getRenderingFunction()) {
case PHPExcel_Worksheet_MemoryDrawing::RENDERING_JPEG:
$blipType = PHPExcel_Shared_Escher_DggContainer_BstoreContainer_BSE::BLIPTYPE_JPEG;
$renderingFunction = 'imagejpeg';
break;
case PHPExcel_Worksheet_MemoryDrawing::RENDERING_GIF:
case PHPExcel_Worksheet_MemoryDrawing::RENDERING_PNG:
case PHPExcel_Worksheet_MemoryDrawing::RENDERING_DEFAULT:
$blipType = PHPExcel_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 PHPExcel_Shared_Escher_DggContainer_BstoreContainer_BSE_Blip();
$blip->setData($blipData);
$BSE = new PHPExcel_Shared_Escher_DggContainer_BstoreContainer_BSE();
$BSE->setBlipType($blipType);
$BSE->setBlip($blip);
$bstoreContainer->addBSE($BSE);
}
}
}
}
// Set the Escher object
$this->_writerWorkbook->setEscher($escher);
}
/**
* 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 PHPExcel_Shared_Escher();
// dgContainer
$dgContainer = new PHPExcel_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 PHPExcel_Shared_Escher_DgContainer_SpgrContainer();
$dgContainer->setSpgrContainer($spgrContainer);
// add one shape which is the group shape
$spContainer = new PHPExcel_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 PHPExcel_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();
$twoAnchor = PHPExcel_Shared_Excel5::oneAnchor2twoAnchor($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
$writer = new PHPExcel_Writer_Excel5_Escher($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 PHPExcel_Shared_Escher();
// dggContainer
$dggContainer = new PHPExcel_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 PHPExcel_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 PHPExcel_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 = PHPExcel_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 = PHPExcel_Shared_Escher_DggContainer_BstoreContainer_BSE::BLIPTYPE_JPEG;
$blipData = file_get_contents($filename);
break;
case 3:
// PNG
$blipType = PHPExcel_Shared_Escher_DggContainer_BstoreContainer_BSE::BLIPTYPE_PNG;
$blipData = file_get_contents($filename);
break;
case 6:
// Windows DIB (BMP), we convert to PNG
$blipType = PHPExcel_Shared_Escher_DggContainer_BstoreContainer_BSE::BLIPTYPE_PNG;
$imageResource = PHPExcel_Shared_Drawing::imagecreatefrombmp($filename);
ob_start();
imagepng($imageResource);
$blipData = ob_get_contents();
ob_end_clean();
break;
default:
continue 2;
}
$blip = new PHPExcel_Shared_Escher_DggContainer_BstoreContainer_BSE_Blip();
$blip->setData($blipData);
$BSE = new PHPExcel_Shared_Escher_DggContainer_BstoreContainer_BSE();
$BSE->setBlipType($blipType);
$BSE->setBlip($blip);
$bstoreContainer->addBSE($BSE);
} else {
if ($drawing instanceof PHPExcel_Worksheet_MemoryDrawing) {
switch ($drawing->getRenderingFunction()) {
case PHPExcel_Worksheet_MemoryDrawing::RENDERING_JPEG:
$blipType = PHPExcel_Shared_Escher_DggContainer_BstoreContainer_BSE::BLIPTYPE_JPEG;
$renderingFunction = 'imagejpeg';
break;
case PHPExcel_Worksheet_MemoryDrawing::RENDERING_GIF:
case PHPExcel_Worksheet_MemoryDrawing::RENDERING_PNG:
case PHPExcel_Worksheet_MemoryDrawing::RENDERING_DEFAULT:
$blipType = PHPExcel_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 PHPExcel_Shared_Escher_DggContainer_BstoreContainer_BSE_Blip();
$blip->setData($blipData);
$BSE = new PHPExcel_Shared_Escher_DggContainer_BstoreContainer_BSE();
$BSE->setBlipType($blipType);
$BSE->setBlip($blip);
$bstoreContainer->addBSE($BSE);
}
}
}
}
// write the Escher stream from the intermediate Escher object
$writer = new PHPExcel_Writer_Excel5_Escher($escher);
$data = $writer->close();
$record = 0xeb;
$length = strlen($data);
$header = pack("vv", $record, $length);
return $this->writeData($header . $data);
}
}