nextcloud /
server
@@ -29,182 +29,182 @@ |
||
| 29 | 29 | use OCP\Files\SimpleFS\ISimpleFile; |
| 30 | 30 | |
| 31 | 31 | class IconBuilder { |
| 32 | - /** @var ThemingDefaults */ |
|
| 33 | - private $themingDefaults; |
|
| 34 | - /** @var Util */ |
|
| 35 | - private $util; |
|
| 36 | - |
|
| 37 | - /** |
|
| 38 | - * IconBuilder constructor. |
|
| 39 | - * |
|
| 40 | - * @param ThemingDefaults $themingDefaults |
|
| 41 | - * @param Util $util |
|
| 42 | - */ |
|
| 43 | - public function __construct( |
|
| 44 | - ThemingDefaults $themingDefaults, |
|
| 45 | - Util $util |
|
| 46 | - ) { |
|
| 47 | - $this->themingDefaults = $themingDefaults; |
|
| 48 | - $this->util = $util; |
|
| 49 | - } |
|
| 50 | - |
|
| 51 | - /** |
|
| 52 | - * @param $app string app name |
|
| 53 | - * @return string|false image blob |
|
| 54 | - */ |
|
| 55 | - public function getFavicon($app) { |
|
| 56 | - try { |
|
| 57 | - $icon = $this->renderAppIcon($app, 32); |
|
| 58 | - if ($icon === false) { |
|
| 59 | - return false; |
|
| 60 | - } |
|
| 61 | - $icon->setImageFormat("png32"); |
|
| 62 | - $data = $icon->getImageBlob(); |
|
| 63 | - $icon->destroy(); |
|
| 64 | - return $data; |
|
| 65 | - } catch (\ImagickException $e) { |
|
| 66 | - return false; |
|
| 67 | - } |
|
| 68 | - } |
|
| 69 | - |
|
| 70 | - /** |
|
| 71 | - * @param $app string app name |
|
| 72 | - * @return string|false image blob |
|
| 73 | - */ |
|
| 74 | - public function getTouchIcon($app) { |
|
| 75 | - try { |
|
| 76 | - $icon = $this->renderAppIcon($app, 512); |
|
| 77 | - if ($icon === false) { |
|
| 78 | - return false; |
|
| 79 | - } |
|
| 80 | - $icon->setImageFormat("png32"); |
|
| 81 | - $data = $icon->getImageBlob(); |
|
| 82 | - $icon->destroy(); |
|
| 83 | - return $data; |
|
| 84 | - } catch (\ImagickException $e) { |
|
| 85 | - return false; |
|
| 86 | - } |
|
| 87 | - } |
|
| 88 | - |
|
| 89 | - /** |
|
| 90 | - * Render app icon on themed background color |
|
| 91 | - * fallback to logo |
|
| 92 | - * |
|
| 93 | - * @param $app string app name |
|
| 94 | - * @param $size int size of the icon in px |
|
| 95 | - * @return Imagick|false |
|
| 96 | - */ |
|
| 97 | - public function renderAppIcon($app, $size) { |
|
| 98 | - $appIcon = $this->util->getAppIcon($app); |
|
| 99 | - if($appIcon === false) { |
|
| 100 | - return false; |
|
| 101 | - } |
|
| 102 | - if ($appIcon instanceof ISimpleFile) { |
|
| 103 | - $appIconContent = $appIcon->getContent(); |
|
| 104 | - $mime = $appIcon->getMimeType(); |
|
| 105 | - } else { |
|
| 106 | - $appIconContent = file_get_contents($appIcon); |
|
| 107 | - $mime = mime_content_type($appIcon); |
|
| 108 | - } |
|
| 109 | - |
|
| 110 | - if($appIconContent === false || $appIconContent === "") { |
|
| 111 | - return false; |
|
| 112 | - } |
|
| 113 | - |
|
| 114 | - $color = $this->themingDefaults->getColorPrimary(); |
|
| 115 | - |
|
| 116 | - // generate background image with rounded corners |
|
| 117 | - $background = '<?xml version="1.0" encoding="UTF-8"?>' . |
|
| 118 | - '<svg xmlns="http://www.w3.org/2000/svg" version="1.1" xmlns:cc="http://creativecommons.org/ns#" width="512" height="512" xmlns:xlink="http://www.w3.org/1999/xlink">' . |
|
| 119 | - '<rect x="0" y="0" rx="100" ry="100" width="512" height="512" style="fill:' . $color . ';" />' . |
|
| 120 | - '</svg>'; |
|
| 121 | - // resize svg magic as this seems broken in Imagemagick |
|
| 122 | - if($mime === "image/svg+xml" || substr($appIconContent, 0, 4) === "<svg") { |
|
| 123 | - if(substr($appIconContent, 0, 5) !== "<?xml") { |
|
| 124 | - $svg = "<?xml version=\"1.0\"?>".$appIconContent; |
|
| 125 | - } else { |
|
| 126 | - $svg = $appIconContent; |
|
| 127 | - } |
|
| 128 | - $tmp = new Imagick(); |
|
| 129 | - $tmp->readImageBlob($svg); |
|
| 130 | - $x = $tmp->getImageWidth(); |
|
| 131 | - $y = $tmp->getImageHeight(); |
|
| 132 | - $res = $tmp->getImageResolution(); |
|
| 133 | - $tmp->destroy(); |
|
| 134 | - |
|
| 135 | - if($x>$y) { |
|
| 136 | - $max = $x; |
|
| 137 | - } else { |
|
| 138 | - $max = $y; |
|
| 139 | - } |
|
| 140 | - |
|
| 141 | - // convert svg to resized image |
|
| 142 | - $appIconFile = new Imagick(); |
|
| 143 | - $resX = (int)(512 * $res['x'] / $max * 2.53); |
|
| 144 | - $resY = (int)(512 * $res['y'] / $max * 2.53); |
|
| 145 | - $appIconFile->setResolution($resX, $resY); |
|
| 146 | - $appIconFile->setBackgroundColor(new ImagickPixel('transparent')); |
|
| 147 | - $appIconFile->readImageBlob($svg); |
|
| 148 | - |
|
| 149 | - /** |
|
| 150 | - * invert app icons for bright primary colors |
|
| 151 | - * the default nextcloud logo will not be inverted to black |
|
| 152 | - */ |
|
| 153 | - if ($this->util->invertTextColor($color) |
|
| 154 | - && !$appIcon instanceof ISimpleFile |
|
| 155 | - && $app !== "core" |
|
| 156 | - ) { |
|
| 157 | - $appIconFile->negateImage(false); |
|
| 158 | - } |
|
| 159 | - $appIconFile->scaleImage(512, 512, true); |
|
| 160 | - } else { |
|
| 161 | - $appIconFile = new Imagick(); |
|
| 162 | - $appIconFile->setBackgroundColor(new ImagickPixel('transparent')); |
|
| 163 | - $appIconFile->readImageBlob($appIconContent); |
|
| 164 | - $appIconFile->scaleImage(512, 512, true); |
|
| 165 | - } |
|
| 166 | - // offset for icon positioning |
|
| 167 | - $border_w = (int)($appIconFile->getImageWidth() * 0.05); |
|
| 168 | - $border_h = (int)($appIconFile->getImageHeight() * 0.05); |
|
| 169 | - $innerWidth = (int)($appIconFile->getImageWidth() - $border_w * 2); |
|
| 170 | - $innerHeight = (int)($appIconFile->getImageHeight() - $border_h * 2); |
|
| 171 | - $appIconFile->adaptiveResizeImage($innerWidth, $innerHeight); |
|
| 172 | - // center icon |
|
| 173 | - $offset_w = 512 / 2 - $innerWidth / 2; |
|
| 174 | - $offset_h = 512 / 2 - $innerHeight / 2; |
|
| 175 | - |
|
| 176 | - $finalIconFile = new Imagick(); |
|
| 177 | - $finalIconFile->setBackgroundColor(new ImagickPixel('transparent')); |
|
| 178 | - $finalIconFile->readImageBlob($background); |
|
| 179 | - $finalIconFile->setImageVirtualPixelMethod(Imagick::VIRTUALPIXELMETHOD_TRANSPARENT); |
|
| 180 | - $finalIconFile->setImageArtifact('compose:args', "1,0,-0.5,0.5"); |
|
| 181 | - $finalIconFile->compositeImage($appIconFile, Imagick::COMPOSITE_ATOP, $offset_w, $offset_h); |
|
| 182 | - $finalIconFile->setImageFormat('png24'); |
|
| 183 | - if (defined("Imagick::INTERPOLATE_BICUBIC") === true) { |
|
| 184 | - $filter = Imagick::INTERPOLATE_BICUBIC; |
|
| 185 | - } else { |
|
| 186 | - $filter = Imagick::FILTER_LANCZOS; |
|
| 187 | - } |
|
| 188 | - $finalIconFile->resizeImage($size, $size, $filter, 1, false); |
|
| 189 | - |
|
| 190 | - $appIconFile->destroy(); |
|
| 191 | - return $finalIconFile; |
|
| 192 | - } |
|
| 193 | - |
|
| 194 | - public function colorSvg($app, $image) { |
|
| 195 | - try { |
|
| 196 | - $imageFile = $this->util->getAppImage($app, $image); |
|
| 197 | - } catch (AppPathNotFoundException $e) { |
|
| 198 | - return false; |
|
| 199 | - } |
|
| 200 | - $svg = file_get_contents($imageFile); |
|
| 201 | - if ($svg !== false && $svg !== "") { |
|
| 202 | - $color = $this->util->elementColor($this->themingDefaults->getColorPrimary()); |
|
| 203 | - $svg = $this->util->colorizeSvg($svg, $color); |
|
| 204 | - return $svg; |
|
| 205 | - } else { |
|
| 206 | - return false; |
|
| 207 | - } |
|
| 208 | - } |
|
| 32 | + /** @var ThemingDefaults */ |
|
| 33 | + private $themingDefaults; |
|
| 34 | + /** @var Util */ |
|
| 35 | + private $util; |
|
| 36 | + |
|
| 37 | + /** |
|
| 38 | + * IconBuilder constructor. |
|
| 39 | + * |
|
| 40 | + * @param ThemingDefaults $themingDefaults |
|
| 41 | + * @param Util $util |
|
| 42 | + */ |
|
| 43 | + public function __construct( |
|
| 44 | + ThemingDefaults $themingDefaults, |
|
| 45 | + Util $util |
|
| 46 | + ) { |
|
| 47 | + $this->themingDefaults = $themingDefaults; |
|
| 48 | + $this->util = $util; |
|
| 49 | + } |
|
| 50 | + |
|
| 51 | + /** |
|
| 52 | + * @param $app string app name |
|
| 53 | + * @return string|false image blob |
|
| 54 | + */ |
|
| 55 | + public function getFavicon($app) { |
|
| 56 | + try { |
|
| 57 | + $icon = $this->renderAppIcon($app, 32); |
|
| 58 | + if ($icon === false) { |
|
| 59 | + return false; |
|
| 60 | + } |
|
| 61 | + $icon->setImageFormat("png32"); |
|
| 62 | + $data = $icon->getImageBlob(); |
|
| 63 | + $icon->destroy(); |
|
| 64 | + return $data; |
|
| 65 | + } catch (\ImagickException $e) { |
|
| 66 | + return false; |
|
| 67 | + } |
|
| 68 | + } |
|
| 69 | + |
|
| 70 | + /** |
|
| 71 | + * @param $app string app name |
|
| 72 | + * @return string|false image blob |
|
| 73 | + */ |
|
| 74 | + public function getTouchIcon($app) { |
|
| 75 | + try { |
|
| 76 | + $icon = $this->renderAppIcon($app, 512); |
|
| 77 | + if ($icon === false) { |
|
| 78 | + return false; |
|
| 79 | + } |
|
| 80 | + $icon->setImageFormat("png32"); |
|
| 81 | + $data = $icon->getImageBlob(); |
|
| 82 | + $icon->destroy(); |
|
| 83 | + return $data; |
|
| 84 | + } catch (\ImagickException $e) { |
|
| 85 | + return false; |
|
| 86 | + } |
|
| 87 | + } |
|
| 88 | + |
|
| 89 | + /** |
|
| 90 | + * Render app icon on themed background color |
|
| 91 | + * fallback to logo |
|
| 92 | + * |
|
| 93 | + * @param $app string app name |
|
| 94 | + * @param $size int size of the icon in px |
|
| 95 | + * @return Imagick|false |
|
| 96 | + */ |
|
| 97 | + public function renderAppIcon($app, $size) { |
|
| 98 | + $appIcon = $this->util->getAppIcon($app); |
|
| 99 | + if($appIcon === false) { |
|
| 100 | + return false; |
|
| 101 | + } |
|
| 102 | + if ($appIcon instanceof ISimpleFile) { |
|
| 103 | + $appIconContent = $appIcon->getContent(); |
|
| 104 | + $mime = $appIcon->getMimeType(); |
|
| 105 | + } else { |
|
| 106 | + $appIconContent = file_get_contents($appIcon); |
|
| 107 | + $mime = mime_content_type($appIcon); |
|
| 108 | + } |
|
| 109 | + |
|
| 110 | + if($appIconContent === false || $appIconContent === "") { |
|
| 111 | + return false; |
|
| 112 | + } |
|
| 113 | + |
|
| 114 | + $color = $this->themingDefaults->getColorPrimary(); |
|
| 115 | + |
|
| 116 | + // generate background image with rounded corners |
|
| 117 | + $background = '<?xml version="1.0" encoding="UTF-8"?>' . |
|
| 118 | + '<svg xmlns="http://www.w3.org/2000/svg" version="1.1" xmlns:cc="http://creativecommons.org/ns#" width="512" height="512" xmlns:xlink="http://www.w3.org/1999/xlink">' . |
|
| 119 | + '<rect x="0" y="0" rx="100" ry="100" width="512" height="512" style="fill:' . $color . ';" />' . |
|
| 120 | + '</svg>'; |
|
| 121 | + // resize svg magic as this seems broken in Imagemagick |
|
| 122 | + if($mime === "image/svg+xml" || substr($appIconContent, 0, 4) === "<svg") { |
|
| 123 | + if(substr($appIconContent, 0, 5) !== "<?xml") { |
|
| 124 | + $svg = "<?xml version=\"1.0\"?>".$appIconContent; |
|
| 125 | + } else { |
|
| 126 | + $svg = $appIconContent; |
|
| 127 | + } |
|
| 128 | + $tmp = new Imagick(); |
|
| 129 | + $tmp->readImageBlob($svg); |
|
| 130 | + $x = $tmp->getImageWidth(); |
|
| 131 | + $y = $tmp->getImageHeight(); |
|
| 132 | + $res = $tmp->getImageResolution(); |
|
| 133 | + $tmp->destroy(); |
|
| 134 | + |
|
| 135 | + if($x>$y) { |
|
| 136 | + $max = $x; |
|
| 137 | + } else { |
|
| 138 | + $max = $y; |
|
| 139 | + } |
|
| 140 | + |
|
| 141 | + // convert svg to resized image |
|
| 142 | + $appIconFile = new Imagick(); |
|
| 143 | + $resX = (int)(512 * $res['x'] / $max * 2.53); |
|
| 144 | + $resY = (int)(512 * $res['y'] / $max * 2.53); |
|
| 145 | + $appIconFile->setResolution($resX, $resY); |
|
| 146 | + $appIconFile->setBackgroundColor(new ImagickPixel('transparent')); |
|
| 147 | + $appIconFile->readImageBlob($svg); |
|
| 148 | + |
|
| 149 | + /** |
|
| 150 | + * invert app icons for bright primary colors |
|
| 151 | + * the default nextcloud logo will not be inverted to black |
|
| 152 | + */ |
|
| 153 | + if ($this->util->invertTextColor($color) |
|
| 154 | + && !$appIcon instanceof ISimpleFile |
|
| 155 | + && $app !== "core" |
|
| 156 | + ) { |
|
| 157 | + $appIconFile->negateImage(false); |
|
| 158 | + } |
|
| 159 | + $appIconFile->scaleImage(512, 512, true); |
|
| 160 | + } else { |
|
| 161 | + $appIconFile = new Imagick(); |
|
| 162 | + $appIconFile->setBackgroundColor(new ImagickPixel('transparent')); |
|
| 163 | + $appIconFile->readImageBlob($appIconContent); |
|
| 164 | + $appIconFile->scaleImage(512, 512, true); |
|
| 165 | + } |
|
| 166 | + // offset for icon positioning |
|
| 167 | + $border_w = (int)($appIconFile->getImageWidth() * 0.05); |
|
| 168 | + $border_h = (int)($appIconFile->getImageHeight() * 0.05); |
|
| 169 | + $innerWidth = (int)($appIconFile->getImageWidth() - $border_w * 2); |
|
| 170 | + $innerHeight = (int)($appIconFile->getImageHeight() - $border_h * 2); |
|
| 171 | + $appIconFile->adaptiveResizeImage($innerWidth, $innerHeight); |
|
| 172 | + // center icon |
|
| 173 | + $offset_w = 512 / 2 - $innerWidth / 2; |
|
| 174 | + $offset_h = 512 / 2 - $innerHeight / 2; |
|
| 175 | + |
|
| 176 | + $finalIconFile = new Imagick(); |
|
| 177 | + $finalIconFile->setBackgroundColor(new ImagickPixel('transparent')); |
|
| 178 | + $finalIconFile->readImageBlob($background); |
|
| 179 | + $finalIconFile->setImageVirtualPixelMethod(Imagick::VIRTUALPIXELMETHOD_TRANSPARENT); |
|
| 180 | + $finalIconFile->setImageArtifact('compose:args', "1,0,-0.5,0.5"); |
|
| 181 | + $finalIconFile->compositeImage($appIconFile, Imagick::COMPOSITE_ATOP, $offset_w, $offset_h); |
|
| 182 | + $finalIconFile->setImageFormat('png24'); |
|
| 183 | + if (defined("Imagick::INTERPOLATE_BICUBIC") === true) { |
|
| 184 | + $filter = Imagick::INTERPOLATE_BICUBIC; |
|
| 185 | + } else { |
|
| 186 | + $filter = Imagick::FILTER_LANCZOS; |
|
| 187 | + } |
|
| 188 | + $finalIconFile->resizeImage($size, $size, $filter, 1, false); |
|
| 189 | + |
|
| 190 | + $appIconFile->destroy(); |
|
| 191 | + return $finalIconFile; |
|
| 192 | + } |
|
| 193 | + |
|
| 194 | + public function colorSvg($app, $image) { |
|
| 195 | + try { |
|
| 196 | + $imageFile = $this->util->getAppImage($app, $image); |
|
| 197 | + } catch (AppPathNotFoundException $e) { |
|
| 198 | + return false; |
|
| 199 | + } |
|
| 200 | + $svg = file_get_contents($imageFile); |
|
| 201 | + if ($svg !== false && $svg !== "") { |
|
| 202 | + $color = $this->util->elementColor($this->themingDefaults->getColorPrimary()); |
|
| 203 | + $svg = $this->util->colorizeSvg($svg, $color); |
|
| 204 | + return $svg; |
|
| 205 | + } else { |
|
| 206 | + return false; |
|
| 207 | + } |
|
| 208 | + } |
|
| 209 | 209 | |
| 210 | 210 | } |
