@@ -40,122 +40,122 @@ |
||
| 40 | 40 | * @package OC\Preview |
| 41 | 41 | */ |
| 42 | 42 | class HEIC extends ProviderV2 { |
| 43 | - /** |
|
| 44 | - * {@inheritDoc} |
|
| 45 | - */ |
|
| 46 | - public function getMimeType(): string { |
|
| 47 | - return '/image\/hei(f|c)/'; |
|
| 48 | - } |
|
| 49 | - |
|
| 50 | - /** |
|
| 51 | - * {@inheritDoc} |
|
| 52 | - */ |
|
| 53 | - public function isAvailable(FileInfo $file): bool { |
|
| 54 | - return in_array('HEIC', \Imagick::queryFormats("HEI*")); |
|
| 55 | - } |
|
| 56 | - |
|
| 57 | - /** |
|
| 58 | - * {@inheritDoc} |
|
| 59 | - */ |
|
| 60 | - public function getThumbnail(File $file, int $maxX, int $maxY): ?IImage { |
|
| 61 | - if (!$this->isAvailable($file)) { |
|
| 62 | - return null; |
|
| 63 | - } |
|
| 64 | - |
|
| 65 | - $tmpPath = $this->getLocalFile($file); |
|
| 66 | - if ($tmpPath === false) { |
|
| 67 | - \OC::$server->get(LoggerInterface::class)->error( |
|
| 68 | - 'Failed to get thumbnail for: ' . $file->getPath(), |
|
| 69 | - ['app' => 'core'] |
|
| 70 | - ); |
|
| 71 | - return null; |
|
| 72 | - } |
|
| 73 | - |
|
| 74 | - // Creates \Imagick object from the heic file |
|
| 75 | - try { |
|
| 76 | - $bp = $this->getResizedPreview($tmpPath, $maxX, $maxY); |
|
| 77 | - $bp->setFormat('jpg'); |
|
| 78 | - } catch (\Exception $e) { |
|
| 79 | - \OC::$server->get(LoggerInterface::class)->error( |
|
| 80 | - 'File: ' . $file->getPath() . ' Imagick says:', |
|
| 81 | - [ |
|
| 82 | - 'exception' => $e, |
|
| 83 | - 'app' => 'core', |
|
| 84 | - ] |
|
| 85 | - ); |
|
| 86 | - return null; |
|
| 87 | - } |
|
| 88 | - |
|
| 89 | - $this->cleanTmpFiles(); |
|
| 90 | - |
|
| 91 | - //new bitmap image object |
|
| 92 | - $image = new \OCP\Image(); |
|
| 93 | - $image->loadFromData((string) $bp); |
|
| 94 | - //check if image object is valid |
|
| 95 | - return $image->valid() ? $image : null; |
|
| 96 | - } |
|
| 97 | - |
|
| 98 | - /** |
|
| 99 | - * Returns a preview of maxX times maxY dimensions in JPG format |
|
| 100 | - * |
|
| 101 | - * * The default resolution is already 72dpi, no need to change it for a bitmap output |
|
| 102 | - * * It's possible to have proper colour conversion using profileimage(). |
|
| 103 | - * ICC profiles are here: http://www.color.org/srgbprofiles.xalter |
|
| 104 | - * * It's possible to Gamma-correct an image via gammaImage() |
|
| 105 | - * |
|
| 106 | - * @param string $tmpPath the location of the file to convert |
|
| 107 | - * @param int $maxX |
|
| 108 | - * @param int $maxY |
|
| 109 | - * |
|
| 110 | - * @return \Imagick |
|
| 111 | - */ |
|
| 112 | - private function getResizedPreview($tmpPath, $maxX, $maxY) { |
|
| 113 | - $bp = new \Imagick(); |
|
| 114 | - |
|
| 115 | - // Layer 0 contains either the bitmap or a flat representation of all vector layers |
|
| 116 | - $bp->readImage($tmpPath . '[0]'); |
|
| 117 | - |
|
| 118 | - // Fix orientation from EXIF |
|
| 119 | - $bp->autoOrient(); |
|
| 120 | - |
|
| 121 | - $bp->setImageFormat('jpg'); |
|
| 122 | - |
|
| 123 | - $bp = $this->resize($bp, $maxX, $maxY); |
|
| 124 | - |
|
| 125 | - return $bp; |
|
| 126 | - } |
|
| 127 | - |
|
| 128 | - /** |
|
| 129 | - * Returns a resized \Imagick object |
|
| 130 | - * |
|
| 131 | - * If you want to know more on the various methods available to resize an |
|
| 132 | - * image, check out this link : @link https://stackoverflow.com/questions/8517304/what-the-difference-of-sample-resample-scale-resize-adaptive-resize-thumbnail-im |
|
| 133 | - * |
|
| 134 | - * @param \Imagick $bp |
|
| 135 | - * @param int $maxX |
|
| 136 | - * @param int $maxY |
|
| 137 | - * |
|
| 138 | - * @return \Imagick |
|
| 139 | - */ |
|
| 140 | - private function resize($bp, $maxX, $maxY) { |
|
| 141 | - [$previewWidth, $previewHeight] = array_values($bp->getImageGeometry()); |
|
| 142 | - |
|
| 143 | - // We only need to resize a preview which doesn't fit in the maximum dimensions |
|
| 144 | - if ($previewWidth > $maxX || $previewHeight > $maxY) { |
|
| 145 | - // If we want a small image (thumbnail) let's be most space- and time-efficient |
|
| 146 | - if ($maxX <= 500 && $maxY <= 500) { |
|
| 147 | - $bp->thumbnailImage($maxY, $maxX, true); |
|
| 148 | - $bp->stripImage(); |
|
| 149 | - } else { |
|
| 150 | - // A bigger image calls for some better resizing algorithm |
|
| 151 | - // According to http://www.imagemagick.org/Usage/filter/#lanczos |
|
| 152 | - // the catrom filter is almost identical to Lanczos2, but according |
|
| 153 | - // to https://www.php.net/manual/en/imagick.resizeimage.php it is |
|
| 154 | - // significantly faster |
|
| 155 | - $bp->resizeImage($maxX, $maxY, \Imagick::FILTER_CATROM, 1, true); |
|
| 156 | - } |
|
| 157 | - } |
|
| 158 | - |
|
| 159 | - return $bp; |
|
| 160 | - } |
|
| 43 | + /** |
|
| 44 | + * {@inheritDoc} |
|
| 45 | + */ |
|
| 46 | + public function getMimeType(): string { |
|
| 47 | + return '/image\/hei(f|c)/'; |
|
| 48 | + } |
|
| 49 | + |
|
| 50 | + /** |
|
| 51 | + * {@inheritDoc} |
|
| 52 | + */ |
|
| 53 | + public function isAvailable(FileInfo $file): bool { |
|
| 54 | + return in_array('HEIC', \Imagick::queryFormats("HEI*")); |
|
| 55 | + } |
|
| 56 | + |
|
| 57 | + /** |
|
| 58 | + * {@inheritDoc} |
|
| 59 | + */ |
|
| 60 | + public function getThumbnail(File $file, int $maxX, int $maxY): ?IImage { |
|
| 61 | + if (!$this->isAvailable($file)) { |
|
| 62 | + return null; |
|
| 63 | + } |
|
| 64 | + |
|
| 65 | + $tmpPath = $this->getLocalFile($file); |
|
| 66 | + if ($tmpPath === false) { |
|
| 67 | + \OC::$server->get(LoggerInterface::class)->error( |
|
| 68 | + 'Failed to get thumbnail for: ' . $file->getPath(), |
|
| 69 | + ['app' => 'core'] |
|
| 70 | + ); |
|
| 71 | + return null; |
|
| 72 | + } |
|
| 73 | + |
|
| 74 | + // Creates \Imagick object from the heic file |
|
| 75 | + try { |
|
| 76 | + $bp = $this->getResizedPreview($tmpPath, $maxX, $maxY); |
|
| 77 | + $bp->setFormat('jpg'); |
|
| 78 | + } catch (\Exception $e) { |
|
| 79 | + \OC::$server->get(LoggerInterface::class)->error( |
|
| 80 | + 'File: ' . $file->getPath() . ' Imagick says:', |
|
| 81 | + [ |
|
| 82 | + 'exception' => $e, |
|
| 83 | + 'app' => 'core', |
|
| 84 | + ] |
|
| 85 | + ); |
|
| 86 | + return null; |
|
| 87 | + } |
|
| 88 | + |
|
| 89 | + $this->cleanTmpFiles(); |
|
| 90 | + |
|
| 91 | + //new bitmap image object |
|
| 92 | + $image = new \OCP\Image(); |
|
| 93 | + $image->loadFromData((string) $bp); |
|
| 94 | + //check if image object is valid |
|
| 95 | + return $image->valid() ? $image : null; |
|
| 96 | + } |
|
| 97 | + |
|
| 98 | + /** |
|
| 99 | + * Returns a preview of maxX times maxY dimensions in JPG format |
|
| 100 | + * |
|
| 101 | + * * The default resolution is already 72dpi, no need to change it for a bitmap output |
|
| 102 | + * * It's possible to have proper colour conversion using profileimage(). |
|
| 103 | + * ICC profiles are here: http://www.color.org/srgbprofiles.xalter |
|
| 104 | + * * It's possible to Gamma-correct an image via gammaImage() |
|
| 105 | + * |
|
| 106 | + * @param string $tmpPath the location of the file to convert |
|
| 107 | + * @param int $maxX |
|
| 108 | + * @param int $maxY |
|
| 109 | + * |
|
| 110 | + * @return \Imagick |
|
| 111 | + */ |
|
| 112 | + private function getResizedPreview($tmpPath, $maxX, $maxY) { |
|
| 113 | + $bp = new \Imagick(); |
|
| 114 | + |
|
| 115 | + // Layer 0 contains either the bitmap or a flat representation of all vector layers |
|
| 116 | + $bp->readImage($tmpPath . '[0]'); |
|
| 117 | + |
|
| 118 | + // Fix orientation from EXIF |
|
| 119 | + $bp->autoOrient(); |
|
| 120 | + |
|
| 121 | + $bp->setImageFormat('jpg'); |
|
| 122 | + |
|
| 123 | + $bp = $this->resize($bp, $maxX, $maxY); |
|
| 124 | + |
|
| 125 | + return $bp; |
|
| 126 | + } |
|
| 127 | + |
|
| 128 | + /** |
|
| 129 | + * Returns a resized \Imagick object |
|
| 130 | + * |
|
| 131 | + * If you want to know more on the various methods available to resize an |
|
| 132 | + * image, check out this link : @link https://stackoverflow.com/questions/8517304/what-the-difference-of-sample-resample-scale-resize-adaptive-resize-thumbnail-im |
|
| 133 | + * |
|
| 134 | + * @param \Imagick $bp |
|
| 135 | + * @param int $maxX |
|
| 136 | + * @param int $maxY |
|
| 137 | + * |
|
| 138 | + * @return \Imagick |
|
| 139 | + */ |
|
| 140 | + private function resize($bp, $maxX, $maxY) { |
|
| 141 | + [$previewWidth, $previewHeight] = array_values($bp->getImageGeometry()); |
|
| 142 | + |
|
| 143 | + // We only need to resize a preview which doesn't fit in the maximum dimensions |
|
| 144 | + if ($previewWidth > $maxX || $previewHeight > $maxY) { |
|
| 145 | + // If we want a small image (thumbnail) let's be most space- and time-efficient |
|
| 146 | + if ($maxX <= 500 && $maxY <= 500) { |
|
| 147 | + $bp->thumbnailImage($maxY, $maxX, true); |
|
| 148 | + $bp->stripImage(); |
|
| 149 | + } else { |
|
| 150 | + // A bigger image calls for some better resizing algorithm |
|
| 151 | + // According to http://www.imagemagick.org/Usage/filter/#lanczos |
|
| 152 | + // the catrom filter is almost identical to Lanczos2, but according |
|
| 153 | + // to https://www.php.net/manual/en/imagick.resizeimage.php it is |
|
| 154 | + // significantly faster |
|
| 155 | + $bp->resizeImage($maxX, $maxY, \Imagick::FILTER_CATROM, 1, true); |
|
| 156 | + } |
|
| 157 | + } |
|
| 158 | + |
|
| 159 | + return $bp; |
|
| 160 | + } |
|
| 161 | 161 | } |
@@ -65,7 +65,7 @@ discard block |
||
| 65 | 65 | $tmpPath = $this->getLocalFile($file); |
| 66 | 66 | if ($tmpPath === false) { |
| 67 | 67 | \OC::$server->get(LoggerInterface::class)->error( |
| 68 | - 'Failed to get thumbnail for: ' . $file->getPath(), |
|
| 68 | + 'Failed to get thumbnail for: '.$file->getPath(), |
|
| 69 | 69 | ['app' => 'core'] |
| 70 | 70 | ); |
| 71 | 71 | return null; |
@@ -77,7 +77,7 @@ discard block |
||
| 77 | 77 | $bp->setFormat('jpg'); |
| 78 | 78 | } catch (\Exception $e) { |
| 79 | 79 | \OC::$server->get(LoggerInterface::class)->error( |
| 80 | - 'File: ' . $file->getPath() . ' Imagick says:', |
|
| 80 | + 'File: '.$file->getPath().' Imagick says:', |
|
| 81 | 81 | [ |
| 82 | 82 | 'exception' => $e, |
| 83 | 83 | 'app' => 'core', |
@@ -113,7 +113,7 @@ discard block |
||
| 113 | 113 | $bp = new \Imagick(); |
| 114 | 114 | |
| 115 | 115 | // Layer 0 contains either the bitmap or a flat representation of all vector layers |
| 116 | - $bp->readImage($tmpPath . '[0]'); |
|
| 116 | + $bp->readImage($tmpPath.'[0]'); |
|
| 117 | 117 | |
| 118 | 118 | // Fix orientation from EXIF |
| 119 | 119 | $bp->autoOrient(); |