/**
* Retrieves the preview from the cache and resizes it if necessary
*
* @param int $fileId fileId of the original image
* @param string $cached the path to the cached preview
*/
private function getCachedPreview($fileId, $cached) {
$stream = $this->userView->fopen($cached, 'r');
$this->preview = null;
if ($stream) {
$image = new \OC_Image();
$image->loadFromFileHandle($stream);
$this->preview = $image->valid() ? $image : null;
if (!is_null($this->preview)) {
// Size of the preview we calculated
$maxX = $this->previewWidth;
$maxY = $this->previewHeight;
// Size of the preview we retrieved from the cache
$previewX = (int)$this->preview->width();
$previewY = (int)$this->preview->height();
// We don't have an exact match
if ($previewX !== $maxX || $previewY !== $maxY) {
$this->resizeAndStore($fileId);
}
}
fclose($stream);
}
}
/**
* Retrieves the preview from the cache and resizes it if necessary
*
* @param int $fileId fileId of the original image
* @param string $cached the path to the cached preview
*/
private function getCachedPreview($fileId, $cached)
{
$stream = $this->userView->fopen($cached, 'r');
$this->preview = null;
if ($stream) {
$image = new \OC_Image();
$image->loadFromFileHandle($stream);
$this->preview = $image->valid() ? $image : null;
$maxX = (int) $this->getMaxX();
$maxY = (int) $this->getMaxY();
$previewX = (int) $this->preview->width();
$previewY = (int) $this->preview->height();
if ($previewX !== $maxX && $previewY !== $maxY) {
$this->resizeAndStore($fileId);
}
fclose($stream);
}
}
/**
* Tests if a max size preview of smaller dimensions can be created
*
* @param \OCP\IImage $preview
*/
private function doesPreviewFit($preview)
{
$maxDimRatio = round($this->maxWidth / $this->maxHeight, 2);
$previewRatio = round($preview->width() / $preview->height(), 2);
// Testing code
/*print_r("mw $this->maxWidth ");
print_r("mh $this->maxHeight ");
print_r("mr $maxDimRatio ");
$pw = $preview->width();
$ph = $preview->height();
print_r("pw $pw ");
print_r("ph $ph ");
print_r("pr $previewRatio ");*/
if ($maxDimRatio < $previewRatio) {
$this->assertLessThanOrEqual($this->maxWidth, $preview->width());
$this->assertLessThan($this->maxHeight, $preview->height());
} elseif ($maxDimRatio > $previewRatio) {
$this->assertLessThan($this->maxWidth, $preview->width());
$this->assertLessThanOrEqual($this->maxHeight, $preview->height());
} else {
// Original had to be resized
$this->assertLessThanOrEqual($this->maxWidth, $preview->width());
$this->assertLessThanOrEqual($this->maxHeight, $preview->height());
}
}
