/**
* Calculate scale of image.
*
* Calculates the output size of the image, depending on the available
* space and the image dimensions.
*
* @param array $styles
* @param ezcDocumentPdfImage $image
* @param ezcDocumentPdfPage $page
* @param flaot $width
* @return array
*/
protected function scaleImage(array $styles, ezcDocumentPdfImage $image, ezcDocumentPdfPage $page, $width)
{
$imageDimensions = $image->getDimensions();
// Scale image down, if exceeds the maximum available width
$imageSize = array($imageDimensions[0]->get(), $imageDimensions[1]->get());
if ($imageSize[0] > $width->get()) {
$imageSize[1] *= $width->get() / $imageSize[0];
$imageSize[0] = $width->get();
}
// @todo: Apply styles for image scaling.
// Check if image would fit on a new page using its default size.
if ($page->innerHeight > $imageSize[1]) {
return $imageSize;
}
// Otherwise we need to scale the image down even further
$imageSize[0] *= $page->innerHeight / $imageSize[1];
$imageSize[1] = $page->innerHeight;
return $imageSize;
}
public function testImageHandler()
{
$image = ezcDocumentPdfImage::createFromFile(dirname(__FILE__) . '/../files/pdf/images/logo-white.png');
$this->assertSame('image/png', $image->getMimeType());
$this->assertEquals(array(new ezcDocumentPcssMeasure('113px'), new ezcDocumentPcssMeasure('57px')), $image->getDimensions());
}
/**
* Create image handler object from file
*
* @param string $file
* @return ezcDocumentPdfImage
*/
public static function createFromFile($file)
{
$image = new ezcDocumentPdfImage();
$image->loadFile($file);
return $image;
}
