/**
* Writes the page contents and definition to the writer.
*
* @param ObjectWriter $objectWriter
* @param int $pageTreeId
* @return int
*/
public function writePage(ObjectWriter $objectWriter, $pageTreeId)
{
$objectWriter->startObject($this->pageId);
$objectWriter->startDictionary();
$objectWriter->writeName('Type');
$objectWriter->writeName('Page');
$objectWriter->writeName('Parent');
$objectWriter->writeIndirectReference($pageTreeId);
$objectWriter->writeName('Resources');
$objectWriter->startDictionary();
$objectWriter->endDictionary();
$objectWriter->writeName('Contents');
$objectWriter->startArray();
$objectWriter->endArray();
foreach ($this->boxes as $name => $box) {
$objectWriter->writeName($name);
$box->writeRectangleArray($objectWriter);
}
if (null !== $this->rotation) {
$objectWriter->writeName('Rotate');
$objectWriter->writeNumber($this->rotation);
}
$objectWriter->endDictionary();
$objectWriter->endObject();
return $this->pageId;
}
public function testStartObjectWithObjectId()
{
$this->objectWriter->startObject(10);
$this->assertSame("10 0 obj\n", $this->getFileObjectData());
}
/**
* Creates a shadow mask from an image's alpha channel.
*
* @param ObjectWriter $objectWriter
* @param Imagick $image
* @param string $filter
* @return int
*/
private function createShadowMask(ObjectWriter $objectWriter, Imagick $image, $filter)
{
$shadowMask = clone $image;
$shadowMask->separateImageChannel(Imagick::CHANNEL_ALPHA);
if ('FlateDecode' === $filter) {
$image->setImageFormat('GRAY');
}
$streamData = $shadowMask->getImageBlob();
$shadowMask->clear();
$id = $objectWriter->startObject();
$objectWriter->startDictionary();
$this->writeCommonDictionaryEntries($objectWriter, 'DeviceGray', strlen($streamData), $filter);
$objectWriter->endDictionary();
$objectWriter->startStream();
$objectWriter->writeRaw($streamData);
$objectWriter->endStream();
$objectWriter->endObject();
return $id;
}
