@@ -28,117 +28,117 @@ |
||
| 28 | 28 | use OCP\IImage; |
| 29 | 29 | |
| 30 | 30 | class MarkDown extends TXT { |
| 31 | - /** |
|
| 32 | - * {@inheritDoc} |
|
| 33 | - */ |
|
| 34 | - public function getMimeType(): string { |
|
| 35 | - return '/text\/(x-)?markdown/'; |
|
| 36 | - } |
|
| 37 | - |
|
| 38 | - public function getThumbnail(File $file, int $maxX, int $maxY): ?IImage { |
|
| 39 | - $content = $file->fopen('r'); |
|
| 40 | - |
|
| 41 | - if ($content === false) { |
|
| 42 | - return null; |
|
| 43 | - } |
|
| 44 | - |
|
| 45 | - $content = stream_get_contents($content,3000); |
|
| 46 | - |
|
| 47 | - //don't create previews of empty text files |
|
| 48 | - if (trim($content) === '') { |
|
| 49 | - return null; |
|
| 50 | - } |
|
| 51 | - |
|
| 52 | - // Merge text paragraph lines that might belong together |
|
| 53 | - $content = preg_replace('/^(\s*)\*\s/mU', '$1- ', $content); |
|
| 54 | - |
|
| 55 | - $content = preg_replace('/((?!^(\s*-|#)).*)(\w|\\|\.)(\r\n|\n|\r)(\w|\*)/mU', '$1 $3', $content); |
|
| 56 | - |
|
| 57 | - // Remove markdown symbols that we cannot easily represent in rendered text in the preview |
|
| 58 | - $content = preg_replace('/\*\*(.*)\*\*/U', '$1', $content); |
|
| 59 | - $content = preg_replace('/\*(.*)\*/U', '$1', $content); |
|
| 60 | - $content = preg_replace('/\_\_(.*)\_\_/U', '$1', $content); |
|
| 61 | - $content = preg_replace('/\_(.*)\_/U', '$1', $content); |
|
| 62 | - $content = preg_replace('/\~\~(.*)\~\~/U', '$1', $content); |
|
| 63 | - |
|
| 64 | - $content = preg_replace('/\!?\[((.|\n)*)\]\((.*)\)/mU', '$1 ($3)', $content); |
|
| 65 | - $content = preg_replace('/\n\n+/', "\n", $content); |
|
| 66 | - |
|
| 67 | - $content = preg_replace('/[\x{10000}-\x{10FFFF}]/u', '', $content); |
|
| 68 | - |
|
| 69 | - $lines = preg_split("/\r\n|\n|\r/", $content); |
|
| 70 | - |
|
| 71 | - // Define text size of text file preview |
|
| 72 | - $fontSize = $maxX ? (int) ((1 / ($maxX >= 512 ? 60 : 40) * $maxX)) : 10; |
|
| 73 | - |
|
| 74 | - $image = imagecreate($maxX, $maxY); |
|
| 75 | - imagecolorallocate($image, 255, 255, 255); |
|
| 76 | - $textColor = imagecolorallocate($image, 0, 0, 0); |
|
| 77 | - |
|
| 78 | - $fontFile = __DIR__ . '/../../../core/fonts/NotoSans-Regular.ttf'; |
|
| 79 | - $fontFileBold = __DIR__ . '/../../../core/fonts/NotoSans-Bold.ttf'; |
|
| 80 | - |
|
| 81 | - $canUseTTF = function_exists('imagettftext'); |
|
| 82 | - |
|
| 83 | - $textOffset = (int)min($maxX * 0.05, $maxY * 0.05); |
|
| 84 | - $nextLineStart = 0; |
|
| 85 | - $y = $textOffset; |
|
| 86 | - foreach ($lines as $line) { |
|
| 87 | - $actualFontSize = $fontSize; |
|
| 88 | - if (mb_strpos($line, '# ') === 0) { |
|
| 89 | - $actualFontSize *= 2; |
|
| 90 | - } |
|
| 91 | - if (mb_strpos($line, '## ') === 0) { |
|
| 92 | - $actualFontSize *= 1.8; |
|
| 93 | - } |
|
| 94 | - if (mb_strpos($line, '### ') === 0) { |
|
| 95 | - $actualFontSize *= 1.6; |
|
| 96 | - } |
|
| 97 | - if (mb_strpos($line, '#### ') === 0) { |
|
| 98 | - $actualFontSize *= 1.4; |
|
| 99 | - } |
|
| 100 | - if (mb_strpos($line, '##### ') === 0) { |
|
| 101 | - $actualFontSize *= 1.2; |
|
| 102 | - } |
|
| 103 | - if (mb_strpos($line, '###### ') === 0) { |
|
| 104 | - $actualFontSize *= 1.1; |
|
| 105 | - } |
|
| 106 | - |
|
| 107 | - // Add spacing before headlines |
|
| 108 | - if ($actualFontSize !== $fontSize && $y !== $textOffset) { |
|
| 109 | - $y += (int)($actualFontSize * 2); |
|
| 110 | - } |
|
| 111 | - |
|
| 112 | - $x = $textOffset; |
|
| 113 | - $y += (int)($nextLineStart + $actualFontSize); |
|
| 114 | - |
|
| 115 | - if ($canUseTTF === true) { |
|
| 116 | - $wordWrap = (int)((1 / $actualFontSize * 1.3) * $maxX); |
|
| 117 | - |
|
| 118 | - // Get rid of markdown symbols that we still needed for the font size |
|
| 119 | - $line = preg_replace('/^#*\s/', '', $line); |
|
| 120 | - |
|
| 121 | - $wrappedText = wordwrap($line, $wordWrap,"\n"); |
|
| 122 | - $linesWrapped = count(explode("\n", $wrappedText)); |
|
| 123 | - imagettftext($image, $actualFontSize, 0, $x, $y, $textColor, $actualFontSize === $fontSize ? $fontFile : $fontFileBold, $wrappedText); |
|
| 124 | - $nextLineStart = (int)($linesWrapped * ceil($actualFontSize * 2)); |
|
| 125 | - if ($actualFontSize !== $fontSize && $y !== $textOffset) { |
|
| 126 | - $nextLineStart -= $actualFontSize; |
|
| 127 | - } |
|
| 128 | - } else { |
|
| 129 | - $y -= (int)$fontSize; |
|
| 130 | - imagestring($image, 1, $x, $y, $line, $textColor); |
|
| 131 | - $nextLineStart = $fontSize; |
|
| 132 | - } |
|
| 133 | - |
|
| 134 | - if ($y >= $maxY) { |
|
| 135 | - break; |
|
| 136 | - } |
|
| 137 | - } |
|
| 138 | - |
|
| 139 | - $imageObject = new \OC_Image(); |
|
| 140 | - $imageObject->setResource($image); |
|
| 141 | - |
|
| 142 | - return $imageObject->valid() ? $imageObject : null; |
|
| 143 | - } |
|
| 31 | + /** |
|
| 32 | + * {@inheritDoc} |
|
| 33 | + */ |
|
| 34 | + public function getMimeType(): string { |
|
| 35 | + return '/text\/(x-)?markdown/'; |
|
| 36 | + } |
|
| 37 | + |
|
| 38 | + public function getThumbnail(File $file, int $maxX, int $maxY): ?IImage { |
|
| 39 | + $content = $file->fopen('r'); |
|
| 40 | + |
|
| 41 | + if ($content === false) { |
|
| 42 | + return null; |
|
| 43 | + } |
|
| 44 | + |
|
| 45 | + $content = stream_get_contents($content,3000); |
|
| 46 | + |
|
| 47 | + //don't create previews of empty text files |
|
| 48 | + if (trim($content) === '') { |
|
| 49 | + return null; |
|
| 50 | + } |
|
| 51 | + |
|
| 52 | + // Merge text paragraph lines that might belong together |
|
| 53 | + $content = preg_replace('/^(\s*)\*\s/mU', '$1- ', $content); |
|
| 54 | + |
|
| 55 | + $content = preg_replace('/((?!^(\s*-|#)).*)(\w|\\|\.)(\r\n|\n|\r)(\w|\*)/mU', '$1 $3', $content); |
|
| 56 | + |
|
| 57 | + // Remove markdown symbols that we cannot easily represent in rendered text in the preview |
|
| 58 | + $content = preg_replace('/\*\*(.*)\*\*/U', '$1', $content); |
|
| 59 | + $content = preg_replace('/\*(.*)\*/U', '$1', $content); |
|
| 60 | + $content = preg_replace('/\_\_(.*)\_\_/U', '$1', $content); |
|
| 61 | + $content = preg_replace('/\_(.*)\_/U', '$1', $content); |
|
| 62 | + $content = preg_replace('/\~\~(.*)\~\~/U', '$1', $content); |
|
| 63 | + |
|
| 64 | + $content = preg_replace('/\!?\[((.|\n)*)\]\((.*)\)/mU', '$1 ($3)', $content); |
|
| 65 | + $content = preg_replace('/\n\n+/', "\n", $content); |
|
| 66 | + |
|
| 67 | + $content = preg_replace('/[\x{10000}-\x{10FFFF}]/u', '', $content); |
|
| 68 | + |
|
| 69 | + $lines = preg_split("/\r\n|\n|\r/", $content); |
|
| 70 | + |
|
| 71 | + // Define text size of text file preview |
|
| 72 | + $fontSize = $maxX ? (int) ((1 / ($maxX >= 512 ? 60 : 40) * $maxX)) : 10; |
|
| 73 | + |
|
| 74 | + $image = imagecreate($maxX, $maxY); |
|
| 75 | + imagecolorallocate($image, 255, 255, 255); |
|
| 76 | + $textColor = imagecolorallocate($image, 0, 0, 0); |
|
| 77 | + |
|
| 78 | + $fontFile = __DIR__ . '/../../../core/fonts/NotoSans-Regular.ttf'; |
|
| 79 | + $fontFileBold = __DIR__ . '/../../../core/fonts/NotoSans-Bold.ttf'; |
|
| 80 | + |
|
| 81 | + $canUseTTF = function_exists('imagettftext'); |
|
| 82 | + |
|
| 83 | + $textOffset = (int)min($maxX * 0.05, $maxY * 0.05); |
|
| 84 | + $nextLineStart = 0; |
|
| 85 | + $y = $textOffset; |
|
| 86 | + foreach ($lines as $line) { |
|
| 87 | + $actualFontSize = $fontSize; |
|
| 88 | + if (mb_strpos($line, '# ') === 0) { |
|
| 89 | + $actualFontSize *= 2; |
|
| 90 | + } |
|
| 91 | + if (mb_strpos($line, '## ') === 0) { |
|
| 92 | + $actualFontSize *= 1.8; |
|
| 93 | + } |
|
| 94 | + if (mb_strpos($line, '### ') === 0) { |
|
| 95 | + $actualFontSize *= 1.6; |
|
| 96 | + } |
|
| 97 | + if (mb_strpos($line, '#### ') === 0) { |
|
| 98 | + $actualFontSize *= 1.4; |
|
| 99 | + } |
|
| 100 | + if (mb_strpos($line, '##### ') === 0) { |
|
| 101 | + $actualFontSize *= 1.2; |
|
| 102 | + } |
|
| 103 | + if (mb_strpos($line, '###### ') === 0) { |
|
| 104 | + $actualFontSize *= 1.1; |
|
| 105 | + } |
|
| 106 | + |
|
| 107 | + // Add spacing before headlines |
|
| 108 | + if ($actualFontSize !== $fontSize && $y !== $textOffset) { |
|
| 109 | + $y += (int)($actualFontSize * 2); |
|
| 110 | + } |
|
| 111 | + |
|
| 112 | + $x = $textOffset; |
|
| 113 | + $y += (int)($nextLineStart + $actualFontSize); |
|
| 114 | + |
|
| 115 | + if ($canUseTTF === true) { |
|
| 116 | + $wordWrap = (int)((1 / $actualFontSize * 1.3) * $maxX); |
|
| 117 | + |
|
| 118 | + // Get rid of markdown symbols that we still needed for the font size |
|
| 119 | + $line = preg_replace('/^#*\s/', '', $line); |
|
| 120 | + |
|
| 121 | + $wrappedText = wordwrap($line, $wordWrap,"\n"); |
|
| 122 | + $linesWrapped = count(explode("\n", $wrappedText)); |
|
| 123 | + imagettftext($image, $actualFontSize, 0, $x, $y, $textColor, $actualFontSize === $fontSize ? $fontFile : $fontFileBold, $wrappedText); |
|
| 124 | + $nextLineStart = (int)($linesWrapped * ceil($actualFontSize * 2)); |
|
| 125 | + if ($actualFontSize !== $fontSize && $y !== $textOffset) { |
|
| 126 | + $nextLineStart -= $actualFontSize; |
|
| 127 | + } |
|
| 128 | + } else { |
|
| 129 | + $y -= (int)$fontSize; |
|
| 130 | + imagestring($image, 1, $x, $y, $line, $textColor); |
|
| 131 | + $nextLineStart = $fontSize; |
|
| 132 | + } |
|
| 133 | + |
|
| 134 | + if ($y >= $maxY) { |
|
| 135 | + break; |
|
| 136 | + } |
|
| 137 | + } |
|
| 138 | + |
|
| 139 | + $imageObject = new \OC_Image(); |
|
| 140 | + $imageObject->setResource($image); |
|
| 141 | + |
|
| 142 | + return $imageObject->valid() ? $imageObject : null; |
|
| 143 | + } |
|
| 144 | 144 | } |
@@ -42,7 +42,7 @@ discard block |
||
| 42 | 42 | return null; |
| 43 | 43 | } |
| 44 | 44 | |
| 45 | - $content = stream_get_contents($content,3000); |
|
| 45 | + $content = stream_get_contents($content, 3000); |
|
| 46 | 46 | |
| 47 | 47 | //don't create previews of empty text files |
| 48 | 48 | if (trim($content) === '') { |
@@ -75,12 +75,12 @@ discard block |
||
| 75 | 75 | imagecolorallocate($image, 255, 255, 255); |
| 76 | 76 | $textColor = imagecolorallocate($image, 0, 0, 0); |
| 77 | 77 | |
| 78 | - $fontFile = __DIR__ . '/../../../core/fonts/NotoSans-Regular.ttf'; |
|
| 79 | - $fontFileBold = __DIR__ . '/../../../core/fonts/NotoSans-Bold.ttf'; |
|
| 78 | + $fontFile = __DIR__.'/../../../core/fonts/NotoSans-Regular.ttf'; |
|
| 79 | + $fontFileBold = __DIR__.'/../../../core/fonts/NotoSans-Bold.ttf'; |
|
| 80 | 80 | |
| 81 | 81 | $canUseTTF = function_exists('imagettftext'); |
| 82 | 82 | |
| 83 | - $textOffset = (int)min($maxX * 0.05, $maxY * 0.05); |
|
| 83 | + $textOffset = (int) min($maxX * 0.05, $maxY * 0.05); |
|
| 84 | 84 | $nextLineStart = 0; |
| 85 | 85 | $y = $textOffset; |
| 86 | 86 | foreach ($lines as $line) { |
@@ -106,27 +106,27 @@ discard block |
||
| 106 | 106 | |
| 107 | 107 | // Add spacing before headlines |
| 108 | 108 | if ($actualFontSize !== $fontSize && $y !== $textOffset) { |
| 109 | - $y += (int)($actualFontSize * 2); |
|
| 109 | + $y += (int) ($actualFontSize * 2); |
|
| 110 | 110 | } |
| 111 | 111 | |
| 112 | 112 | $x = $textOffset; |
| 113 | - $y += (int)($nextLineStart + $actualFontSize); |
|
| 113 | + $y += (int) ($nextLineStart + $actualFontSize); |
|
| 114 | 114 | |
| 115 | 115 | if ($canUseTTF === true) { |
| 116 | - $wordWrap = (int)((1 / $actualFontSize * 1.3) * $maxX); |
|
| 116 | + $wordWrap = (int) ((1 / $actualFontSize * 1.3) * $maxX); |
|
| 117 | 117 | |
| 118 | 118 | // Get rid of markdown symbols that we still needed for the font size |
| 119 | 119 | $line = preg_replace('/^#*\s/', '', $line); |
| 120 | 120 | |
| 121 | - $wrappedText = wordwrap($line, $wordWrap,"\n"); |
|
| 121 | + $wrappedText = wordwrap($line, $wordWrap, "\n"); |
|
| 122 | 122 | $linesWrapped = count(explode("\n", $wrappedText)); |
| 123 | 123 | imagettftext($image, $actualFontSize, 0, $x, $y, $textColor, $actualFontSize === $fontSize ? $fontFile : $fontFileBold, $wrappedText); |
| 124 | - $nextLineStart = (int)($linesWrapped * ceil($actualFontSize * 2)); |
|
| 124 | + $nextLineStart = (int) ($linesWrapped * ceil($actualFontSize * 2)); |
|
| 125 | 125 | if ($actualFontSize !== $fontSize && $y !== $textOffset) { |
| 126 | 126 | $nextLineStart -= $actualFontSize; |
| 127 | 127 | } |
| 128 | 128 | } else { |
| 129 | - $y -= (int)$fontSize; |
|
| 129 | + $y -= (int) $fontSize; |
|
| 130 | 130 | imagestring($image, 1, $x, $y, $line, $textColor); |
| 131 | 131 | $nextLineStart = $fontSize; |
| 132 | 132 | } |