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Convert PHPExcel_Worksheet_MemoryDrawing to inline image in HTML writer #209

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Convert PHPExcel_Worksheet_MemoryDrawing to inline image in HTML writer #209

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21 changes: 18 additions & 3 deletions Classes/PHPExcel/Writer/HTML.php
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Original file line number Diff line number Diff line change
Expand Up @@ -570,8 +570,9 @@ private function _writeImageInCell(PHPExcel_Worksheet $pSheet, $coordinates) {

// Write images
foreach ($pSheet->getDrawingCollection() as $drawing) {
if ($drawing instanceof PHPExcel_Worksheet_Drawing) {
if ($drawing->getCoordinates() == $coordinates) {
if ($drawing->getCoordinates() == $coordinates) {
$imageData = null;
if ($drawing instanceof PHPExcel_Worksheet_Drawing) {
$filename = $drawing->getPath();

// Strip off eventual '.'
Expand All @@ -590,7 +591,6 @@ private function _writeImageInCell(PHPExcel_Worksheet $pSheet, $coordinates) {
// Convert UTF8 data to PCDATA
$filename = htmlspecialchars($filename);

$html .= PHP_EOL;
if ((!$this->_embedImages) || ($this->_isPdf)) {
$imageData = $filename;
} else {
Expand All @@ -607,6 +607,21 @@ private function _writeImageInCell(PHPExcel_Worksheet $pSheet, $coordinates) {
}
}

}
else if ($drawing instanceof PHPExcel_Worksheet_MemoryDrawing) {
ob_start();
call_user_func($drawing->getRenderingFunction(), $drawing->getImageResource());
$data = ob_get_contents();
ob_end_clean();

// base64 encode the binary data, then break it
// into chunks according to RFC 2045 semantics
$base64 = chunk_split(base64_encode($data));
$imageData = 'data:'.$drawing->getMimeType().';base64,' . $base64;
}

if ($imageData) {
$html .= PHP_EOL;
$html .= '<div style="position: relative;">';
$html .= '<img style="position: absolute; z-index: 1; left: ' . $drawing->getOffsetX() . 'px; top: ' . $drawing->getOffsetY() . 'px; width: ' . $drawing->getWidth() . 'px; height: ' . $drawing->getHeight() . 'px;" src="' . $imageData . '" border="0" />' . PHP_EOL;
$html .= '</div>';
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