| @@ 19-343 (lines=325) @@ | ||
| 16 | * |
|
| 17 | * @package GravityMedia\Ghostscript\Device\DistillerParameters |
|
| 18 | */ |
|
| 19 | trait ColorImageCompressionTrait |
|
| 20 | { |
|
| 21 | /** |
|
| 22 | * Get argument value |
|
| 23 | * |
|
| 24 | * @param string $name |
|
| 25 | * |
|
| 26 | * @return null|string |
|
| 27 | */ |
|
| 28 | abstract protected function getArgumentValue($name); |
|
| 29 | ||
| 30 | /** |
|
| 31 | * Set argument |
|
| 32 | * |
|
| 33 | * @param string $argument |
|
| 34 | * |
|
| 35 | * @return $this |
|
| 36 | */ |
|
| 37 | abstract protected function setArgument($argument); |
|
| 38 | ||
| 39 | /** |
|
| 40 | * Get PDF settings |
|
| 41 | * |
|
| 42 | * @return string |
|
| 43 | */ |
|
| 44 | abstract public function getPdfSettings(); |
|
| 45 | ||
| 46 | /** |
|
| 47 | * Whether to anti alias color images |
|
| 48 | * |
|
| 49 | * @return bool |
|
| 50 | */ |
|
| 51 | public function isAntiAliasColorImages() |
|
| 52 | { |
|
| 53 | $value = $this->getArgumentValue('-dAntiAliasColorImages'); |
|
| 54 | if (null === $value) { |
|
| 55 | return false; |
|
| 56 | } |
|
| 57 | ||
| 58 | return filter_var($value, FILTER_VALIDATE_BOOLEAN); |
|
| 59 | } |
|
| 60 | ||
| 61 | /** |
|
| 62 | * Set anti alias color images flag |
|
| 63 | * |
|
| 64 | * @param bool $antiAliasColorImages |
|
| 65 | * |
|
| 66 | * @return $this |
|
| 67 | */ |
|
| 68 | public function setAntiAliasColorImages($antiAliasColorImages) |
|
| 69 | { |
|
| 70 | $this->setArgument(sprintf('-dAntiAliasColorImages=%s', $antiAliasColorImages ? 'true' : 'false')); |
|
| 71 | ||
| 72 | return $this; |
|
| 73 | } |
|
| 74 | ||
| 75 | /** |
|
| 76 | * Whether to auto filter color images |
|
| 77 | * |
|
| 78 | * @return bool |
|
| 79 | */ |
|
| 80 | public function isAutoFilterColorImages() |
|
| 81 | { |
|
| 82 | $value = $this->getArgumentValue('-dAutoFilterColorImages'); |
|
| 83 | if (null === $value) { |
|
| 84 | return true; |
|
| 85 | } |
|
| 86 | ||
| 87 | return filter_var($value, FILTER_VALIDATE_BOOLEAN); |
|
| 88 | } |
|
| 89 | ||
| 90 | /** |
|
| 91 | * Set auto filter color images flag |
|
| 92 | * |
|
| 93 | * @param bool $autoFilterColorImages |
|
| 94 | * |
|
| 95 | * @return $this |
|
| 96 | */ |
|
| 97 | public function setAutoFilterColorImages($autoFilterColorImages) |
|
| 98 | { |
|
| 99 | $this->setArgument(sprintf('-dAutoFilterColorImages=%s', $autoFilterColorImages ? 'true' : 'false')); |
|
| 100 | ||
| 101 | return $this; |
|
| 102 | } |
|
| 103 | ||
| 104 | /** |
|
| 105 | * Get color image depth |
|
| 106 | * |
|
| 107 | * @return int |
|
| 108 | */ |
|
| 109 | public function getColorImageDepth() |
|
| 110 | { |
|
| 111 | $value = $this->getArgumentValue('-dColorImageDepth'); |
|
| 112 | if (null === $value) { |
|
| 113 | return -1; |
|
| 114 | } |
|
| 115 | ||
| 116 | return intval($value); |
|
| 117 | } |
|
| 118 | ||
| 119 | /** |
|
| 120 | * Set color image depth |
|
| 121 | * |
|
| 122 | * @param int $colorImageDepth |
|
| 123 | * |
|
| 124 | * @return $this |
|
| 125 | */ |
|
| 126 | public function setColorImageDepth($colorImageDepth) |
|
| 127 | { |
|
| 128 | $this->setArgument(sprintf('-dColorImageDepth=%s', $colorImageDepth)); |
|
| 129 | ||
| 130 | return $this; |
|
| 131 | } |
|
| 132 | ||
| 133 | /** |
|
| 134 | * Get color image downsample threshold |
|
| 135 | * |
|
| 136 | * @return float |
|
| 137 | */ |
|
| 138 | public function getColorImageDownsampleThreshold() |
|
| 139 | { |
|
| 140 | $value = $this->getArgumentValue('-dColorImageDownsampleThreshold'); |
|
| 141 | if (null === $value) { |
|
| 142 | return 1.5; |
|
| 143 | } |
|
| 144 | ||
| 145 | return floatval($value); |
|
| 146 | } |
|
| 147 | ||
| 148 | /** |
|
| 149 | * Set color image downsample threshold |
|
| 150 | * |
|
| 151 | * @param float $colorImageDownsampleThreshold |
|
| 152 | * |
|
| 153 | * @return $this |
|
| 154 | */ |
|
| 155 | public function setColorImageDownsampleThreshold($colorImageDownsampleThreshold) |
|
| 156 | { |
|
| 157 | $this->setArgument(sprintf('-dColorImageDownsampleThreshold=%s', $colorImageDownsampleThreshold)); |
|
| 158 | ||
| 159 | return $this; |
|
| 160 | } |
|
| 161 | ||
| 162 | /** |
|
| 163 | * Get color image downsample type |
|
| 164 | * |
|
| 165 | * @return string |
|
| 166 | */ |
|
| 167 | public function getColorImageDownsampleType() |
|
| 168 | { |
|
| 169 | $value = $this->getArgumentValue('-dColorImageDownsampleType'); |
|
| 170 | if (null === $value) { |
|
| 171 | switch ($this->getPdfSettings()) { |
|
| 172 | case PdfSettings::SCREEN: |
|
| 173 | case PdfSettings::EBOOK: |
|
| 174 | case PdfSettings::PRINTER: |
|
| 175 | return ImageDownsampleType::AVERAGE; |
|
| 176 | case PdfSettings::PREPRESS: |
|
| 177 | return ImageDownsampleType::BICUBIC; |
|
| 178 | default: |
|
| 179 | return ImageDownsampleType::SUBSAMPLE; |
|
| 180 | } |
|
| 181 | } |
|
| 182 | ||
| 183 | return ltrim($value, '/'); |
|
| 184 | } |
|
| 185 | ||
| 186 | /** |
|
| 187 | * Set color image downsample type |
|
| 188 | * |
|
| 189 | * @param string $colorImageDownsampleType |
|
| 190 | * |
|
| 191 | * @throws \InvalidArgumentException |
|
| 192 | * |
|
| 193 | * @return $this |
|
| 194 | */ |
|
| 195 | public function setColorImageDownsampleType($colorImageDownsampleType) |
|
| 196 | { |
|
| 197 | $colorImageDownsampleType = ltrim($colorImageDownsampleType, '/'); |
|
| 198 | if (!in_array($colorImageDownsampleType, ImageDownsampleType::values())) { |
|
| 199 | throw new \InvalidArgumentException('Invalid color image downsample type argument'); |
|
| 200 | } |
|
| 201 | ||
| 202 | $this->setArgument(sprintf('-dColorImageDownsampleType=/%s', $colorImageDownsampleType)); |
|
| 203 | ||
| 204 | return $this; |
|
| 205 | } |
|
| 206 | ||
| 207 | /** |
|
| 208 | * Get color image filter |
|
| 209 | * |
|
| 210 | * @return string |
|
| 211 | */ |
|
| 212 | public function getColorImageFilter() |
|
| 213 | { |
|
| 214 | $value = $this->getArgumentValue('-dColorImageFilter'); |
|
| 215 | if (null === $value) { |
|
| 216 | return ColorAndGrayImageFilter::DCT_ENCODE; |
|
| 217 | } |
|
| 218 | ||
| 219 | return ltrim($value, '/'); |
|
| 220 | } |
|
| 221 | ||
| 222 | /** |
|
| 223 | * Set color image filter |
|
| 224 | * |
|
| 225 | * @param string $colorImageFilter |
|
| 226 | * |
|
| 227 | * @throws \InvalidArgumentException |
|
| 228 | * |
|
| 229 | * @return $this |
|
| 230 | */ |
|
| 231 | public function setColorImageFilter($colorImageFilter) |
|
| 232 | { |
|
| 233 | $colorImageFilter = ltrim($colorImageFilter, '/'); |
|
| 234 | if (!in_array($colorImageFilter, ColorAndGrayImageFilter::values())) { |
|
| 235 | throw new \InvalidArgumentException('Invalid color image filter argument'); |
|
| 236 | } |
|
| 237 | ||
| 238 | $this->setArgument(sprintf('-dColorImageFilter=/%s', $colorImageFilter)); |
|
| 239 | ||
| 240 | return $this; |
|
| 241 | } |
|
| 242 | ||
| 243 | /** |
|
| 244 | * Get color image resolution |
|
| 245 | * |
|
| 246 | * @return int |
|
| 247 | */ |
|
| 248 | public function getColorImageResolution() |
|
| 249 | { |
|
| 250 | $value = $this->getArgumentValue('-dColorImageResolution'); |
|
| 251 | if (null === $value) { |
|
| 252 | switch ($this->getPdfSettings()) { |
|
| 253 | case PdfSettings::EBOOK: |
|
| 254 | return 150; |
|
| 255 | case PdfSettings::PRINTER: |
|
| 256 | case PdfSettings::PREPRESS: |
|
| 257 | return 300; |
|
| 258 | default: |
|
| 259 | return 72; |
|
| 260 | } |
|
| 261 | } |
|
| 262 | ||
| 263 | return intval($value); |
|
| 264 | } |
|
| 265 | ||
| 266 | /** |
|
| 267 | * Set color image resolution |
|
| 268 | * |
|
| 269 | * @param int $colorImageResolution |
|
| 270 | * |
|
| 271 | * @return $this |
|
| 272 | */ |
|
| 273 | public function setColorImageResolution($colorImageResolution) |
|
| 274 | { |
|
| 275 | $this->setArgument(sprintf('-dColorImageResolution=%s', $colorImageResolution)); |
|
| 276 | ||
| 277 | return $this; |
|
| 278 | } |
|
| 279 | ||
| 280 | /** |
|
| 281 | * Whether to downsample color images |
|
| 282 | * |
|
| 283 | * @return bool |
|
| 284 | */ |
|
| 285 | public function isDownsampleColorImages() |
|
| 286 | { |
|
| 287 | $value = $this->getArgumentValue('-dDownsampleColorImages'); |
|
| 288 | if (null === $value) { |
|
| 289 | switch ($this->getPdfSettings()) { |
|
| 290 | case PdfSettings::SCREEN: |
|
| 291 | case PdfSettings::EBOOK: |
|
| 292 | return true; |
|
| 293 | default: |
|
| 294 | return false; |
|
| 295 | } |
|
| 296 | } |
|
| 297 | ||
| 298 | return filter_var($value, FILTER_VALIDATE_BOOLEAN); |
|
| 299 | } |
|
| 300 | ||
| 301 | /** |
|
| 302 | * Set downsample color images flag |
|
| 303 | * |
|
| 304 | * @param bool $downsampleColorImages |
|
| 305 | * |
|
| 306 | * @return $this |
|
| 307 | */ |
|
| 308 | public function setDownsampleColorImages($downsampleColorImages) |
|
| 309 | { |
|
| 310 | $this->setArgument(sprintf('-dDownsampleColorImages=%s', $downsampleColorImages ? 'true' : 'false')); |
|
| 311 | ||
| 312 | return $this; |
|
| 313 | } |
|
| 314 | ||
| 315 | /** |
|
| 316 | * Whether to encode color images |
|
| 317 | * |
|
| 318 | * @return bool |
|
| 319 | */ |
|
| 320 | public function isEncodeColorImages() |
|
| 321 | { |
|
| 322 | $value = $this->getArgumentValue('-dEncodeColorImages'); |
|
| 323 | if (null === $value) { |
|
| 324 | return true; |
|
| 325 | } |
|
| 326 | ||
| 327 | return filter_var($value, FILTER_VALIDATE_BOOLEAN); |
|
| 328 | } |
|
| 329 | ||
| 330 | /** |
|
| 331 | * Set encode color images flag |
|
| 332 | * |
|
| 333 | * @param bool $encodeColorImages |
|
| 334 | * |
|
| 335 | * @return $this |
|
| 336 | */ |
|
| 337 | public function setEncodeColorImages($encodeColorImages) |
|
| 338 | { |
|
| 339 | $this->setArgument(sprintf('-dEncodeColorImages=%s', $encodeColorImages ? 'true' : 'false')); |
|
| 340 | ||
| 341 | return $this; |
|
| 342 | } |
|
| 343 | } |
|
| 344 | ||
| @@ 19-343 (lines=325) @@ | ||
| 16 | * |
|
| 17 | * @package GravityMedia\Ghostscript\Device\DistillerParameters |
|
| 18 | */ |
|
| 19 | trait GrayImageCompressionTrait |
|
| 20 | { |
|
| 21 | /** |
|
| 22 | * Get argument value |
|
| 23 | * |
|
| 24 | * @param string $name |
|
| 25 | * |
|
| 26 | * @return null|string |
|
| 27 | */ |
|
| 28 | abstract protected function getArgumentValue($name); |
|
| 29 | ||
| 30 | /** |
|
| 31 | * Set argument |
|
| 32 | * |
|
| 33 | * @param string $argument |
|
| 34 | * |
|
| 35 | * @return $this |
|
| 36 | */ |
|
| 37 | abstract protected function setArgument($argument); |
|
| 38 | ||
| 39 | /** |
|
| 40 | * Get PDF settings |
|
| 41 | * |
|
| 42 | * @return string |
|
| 43 | */ |
|
| 44 | abstract public function getPdfSettings(); |
|
| 45 | ||
| 46 | /** |
|
| 47 | * Whether to anti alias grayscale images |
|
| 48 | * |
|
| 49 | * @return bool |
|
| 50 | */ |
|
| 51 | public function isAntiAliasGrayImages() |
|
| 52 | { |
|
| 53 | $value = $this->getArgumentValue('-dAntiAliasGrayImages'); |
|
| 54 | if (null === $value) { |
|
| 55 | return false; |
|
| 56 | } |
|
| 57 | ||
| 58 | return filter_var($value, FILTER_VALIDATE_BOOLEAN); |
|
| 59 | } |
|
| 60 | ||
| 61 | /** |
|
| 62 | * Set anti alias grayscale images flag |
|
| 63 | * |
|
| 64 | * @param bool $antiAliasGrayImages |
|
| 65 | * |
|
| 66 | * @return $this |
|
| 67 | */ |
|
| 68 | public function setAntiAliasGrayImages($antiAliasGrayImages) |
|
| 69 | { |
|
| 70 | $this->setArgument(sprintf('-dAntiAliasGrayImages=%s', $antiAliasGrayImages ? 'true' : 'false')); |
|
| 71 | ||
| 72 | return $this; |
|
| 73 | } |
|
| 74 | ||
| 75 | /** |
|
| 76 | * Whether to auto filter grayscale images |
|
| 77 | * |
|
| 78 | * @return bool |
|
| 79 | */ |
|
| 80 | public function isAutoFilterGrayImages() |
|
| 81 | { |
|
| 82 | $value = $this->getArgumentValue('-dAutoFilterGrayImages'); |
|
| 83 | if (null === $value) { |
|
| 84 | return true; |
|
| 85 | } |
|
| 86 | ||
| 87 | return filter_var($value, FILTER_VALIDATE_BOOLEAN); |
|
| 88 | } |
|
| 89 | ||
| 90 | /** |
|
| 91 | * Set auto filter grayscale images flag |
|
| 92 | * |
|
| 93 | * @param bool $autoFilterGrayImages |
|
| 94 | * |
|
| 95 | * @return $this |
|
| 96 | */ |
|
| 97 | public function setAutoFilterGrayImages($autoFilterGrayImages) |
|
| 98 | { |
|
| 99 | $this->setArgument(sprintf('-dAutoFilterGrayImages=%s', $autoFilterGrayImages ? 'true' : 'false')); |
|
| 100 | ||
| 101 | return $this; |
|
| 102 | } |
|
| 103 | ||
| 104 | /** |
|
| 105 | * Whether to downsample gray images |
|
| 106 | * |
|
| 107 | * @return bool |
|
| 108 | */ |
|
| 109 | public function isDownsampleGrayImages() |
|
| 110 | { |
|
| 111 | $value = $this->getArgumentValue('-dDownsampleGrayImages'); |
|
| 112 | if (null === $value) { |
|
| 113 | switch ($this->getPdfSettings()) { |
|
| 114 | case PdfSettings::SCREEN: |
|
| 115 | case PdfSettings::EBOOK: |
|
| 116 | return true; |
|
| 117 | default: |
|
| 118 | return false; |
|
| 119 | } |
|
| 120 | } |
|
| 121 | ||
| 122 | return filter_var($value, FILTER_VALIDATE_BOOLEAN); |
|
| 123 | } |
|
| 124 | ||
| 125 | /** |
|
| 126 | * Set downsample gray images flag |
|
| 127 | * |
|
| 128 | * @param bool $downsampleGrayImages |
|
| 129 | * |
|
| 130 | * @return $this |
|
| 131 | */ |
|
| 132 | public function setDownsampleGrayImages($downsampleGrayImages) |
|
| 133 | { |
|
| 134 | $this->setArgument(sprintf('-dDownsampleGrayImages=%s', $downsampleGrayImages ? 'true' : 'false')); |
|
| 135 | ||
| 136 | return $this; |
|
| 137 | } |
|
| 138 | ||
| 139 | /** |
|
| 140 | * Whether to encode grayscale images |
|
| 141 | * |
|
| 142 | * @return bool |
|
| 143 | */ |
|
| 144 | public function isEncodeGrayImages() |
|
| 145 | { |
|
| 146 | $value = $this->getArgumentValue('-dEncodeGrayImages'); |
|
| 147 | if (null === $value) { |
|
| 148 | return true; |
|
| 149 | } |
|
| 150 | ||
| 151 | return filter_var($value, FILTER_VALIDATE_BOOLEAN); |
|
| 152 | } |
|
| 153 | ||
| 154 | /** |
|
| 155 | * Set encode grayscale images flag |
|
| 156 | * |
|
| 157 | * @param bool $encodeGrayImages |
|
| 158 | * |
|
| 159 | * @return $this |
|
| 160 | */ |
|
| 161 | public function setEncodeGrayImages($encodeGrayImages) |
|
| 162 | { |
|
| 163 | $this->setArgument(sprintf('-dEncodeGrayImages=%s', $encodeGrayImages ? 'true' : 'false')); |
|
| 164 | ||
| 165 | return $this; |
|
| 166 | } |
|
| 167 | ||
| 168 | /** |
|
| 169 | * Get gray image depth |
|
| 170 | * |
|
| 171 | * @return int |
|
| 172 | */ |
|
| 173 | public function getGrayImageDepth() |
|
| 174 | { |
|
| 175 | $value = $this->getArgumentValue('-dGrayImageDepth'); |
|
| 176 | if (null === $value) { |
|
| 177 | return -1; |
|
| 178 | } |
|
| 179 | ||
| 180 | return intval($value); |
|
| 181 | } |
|
| 182 | ||
| 183 | /** |
|
| 184 | * Set gray image depth |
|
| 185 | * |
|
| 186 | * @param int $grayImageDepth |
|
| 187 | * |
|
| 188 | * @return $this |
|
| 189 | */ |
|
| 190 | public function setGrayImageDepth($grayImageDepth) |
|
| 191 | { |
|
| 192 | $this->setArgument(sprintf('-dGrayImageDepth=%s', $grayImageDepth)); |
|
| 193 | ||
| 194 | return $this; |
|
| 195 | } |
|
| 196 | ||
| 197 | /** |
|
| 198 | * Get gray image downsample threshold |
|
| 199 | * |
|
| 200 | * @return float |
|
| 201 | */ |
|
| 202 | public function getGrayImageDownsampleThreshold() |
|
| 203 | { |
|
| 204 | $value = $this->getArgumentValue('-dGrayImageDownsampleThreshold'); |
|
| 205 | if (null === $value) { |
|
| 206 | return 1.5; |
|
| 207 | } |
|
| 208 | ||
| 209 | return floatval($value); |
|
| 210 | } |
|
| 211 | ||
| 212 | /** |
|
| 213 | * Set gray image downsample threshold |
|
| 214 | * |
|
| 215 | * @param float $grayImageDownsampleThreshold |
|
| 216 | * |
|
| 217 | * @return $this |
|
| 218 | */ |
|
| 219 | public function setGrayImageDownsampleThreshold($grayImageDownsampleThreshold) |
|
| 220 | { |
|
| 221 | $this->setArgument(sprintf('-dGrayImageDownsampleThreshold=%s', $grayImageDownsampleThreshold)); |
|
| 222 | ||
| 223 | return $this; |
|
| 224 | } |
|
| 225 | ||
| 226 | /** |
|
| 227 | * Get gray image downsample type |
|
| 228 | * |
|
| 229 | * @return string |
|
| 230 | */ |
|
| 231 | public function getGrayImageDownsampleType() |
|
| 232 | { |
|
| 233 | $value = $this->getArgumentValue('-dGrayImageDownsampleType'); |
|
| 234 | if (null === $value) { |
|
| 235 | switch ($this->getPdfSettings()) { |
|
| 236 | case PdfSettings::SCREEN: |
|
| 237 | return ImageDownsampleType::AVERAGE; |
|
| 238 | case PdfSettings::EBOOK: |
|
| 239 | case PdfSettings::PRINTER: |
|
| 240 | case PdfSettings::PREPRESS: |
|
| 241 | return ImageDownsampleType::BICUBIC; |
|
| 242 | default: |
|
| 243 | return ImageDownsampleType::SUBSAMPLE; |
|
| 244 | } |
|
| 245 | } |
|
| 246 | ||
| 247 | return ltrim($value, '/'); |
|
| 248 | } |
|
| 249 | ||
| 250 | /** |
|
| 251 | * Set gray image downsample type |
|
| 252 | * |
|
| 253 | * @param string $grayImageDownsampleType |
|
| 254 | * |
|
| 255 | * @throws \InvalidArgumentException |
|
| 256 | * |
|
| 257 | * @return $this |
|
| 258 | */ |
|
| 259 | public function setGrayImageDownsampleType($grayImageDownsampleType) |
|
| 260 | { |
|
| 261 | $grayImageDownsampleType = ltrim($grayImageDownsampleType, '/'); |
|
| 262 | if (!in_array($grayImageDownsampleType, ImageDownsampleType::values())) { |
|
| 263 | throw new \InvalidArgumentException('Invalid grayscale image downsample type argument'); |
|
| 264 | } |
|
| 265 | ||
| 266 | $this->setArgument(sprintf('-dGrayImageDownsampleType=/%s', $grayImageDownsampleType)); |
|
| 267 | ||
| 268 | return $this; |
|
| 269 | } |
|
| 270 | ||
| 271 | /** |
|
| 272 | * Get gray image filter |
|
| 273 | * |
|
| 274 | * @return string |
|
| 275 | */ |
|
| 276 | public function getGrayImageFilter() |
|
| 277 | { |
|
| 278 | $value = $this->getArgumentValue('-dGrayImageFilter'); |
|
| 279 | if (null === $value) { |
|
| 280 | return ColorAndGrayImageFilter::DCT_ENCODE; |
|
| 281 | } |
|
| 282 | ||
| 283 | return ltrim($value, '/'); |
|
| 284 | } |
|
| 285 | ||
| 286 | /** |
|
| 287 | * Set gray image filter |
|
| 288 | * |
|
| 289 | * @param string $grayImageFilter |
|
| 290 | * |
|
| 291 | * @throws \InvalidArgumentException |
|
| 292 | * |
|
| 293 | * @return $this |
|
| 294 | */ |
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| 295 | public function setGrayImageFilter($grayImageFilter) |
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| 296 | { |
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| 297 | $grayImageFilter = ltrim($grayImageFilter, '/'); |
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| 298 | if (!in_array($grayImageFilter, ColorAndGrayImageFilter::values())) { |
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| 299 | throw new \InvalidArgumentException('Invalid grayscale image filter argument'); |
|
| 300 | } |
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| 301 | ||
| 302 | $this->setArgument(sprintf('-dGrayImageFilter=/%s', $grayImageFilter)); |
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| 303 | ||
| 304 | return $this; |
|
| 305 | } |
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| 306 | ||
| 307 | /** |
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| 308 | * Get gray image resolution |
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| 309 | * |
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| 310 | * @return int |
|
| 311 | */ |
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| 312 | public function getGrayImageResolution() |
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| 313 | { |
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| 314 | $value = $this->getArgumentValue('-dGrayImageResolution'); |
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| 315 | if (null === $value) { |
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| 316 | switch ($this->getPdfSettings()) { |
|
| 317 | case PdfSettings::EBOOK: |
|
| 318 | return 150; |
|
| 319 | case PdfSettings::PRINTER: |
|
| 320 | case PdfSettings::PREPRESS: |
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| 321 | return 300; |
|
| 322 | default: |
|
| 323 | return 72; |
|
| 324 | } |
|
| 325 | } |
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| 326 | ||
| 327 | return intval($value); |
|
| 328 | } |
|
| 329 | ||
| 330 | /** |
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| 331 | * Set gray image resolution |
|
| 332 | * |
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| 333 | * @param int $grayImageResolution |
|
| 334 | * |
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| 335 | * @return $this |
|
| 336 | */ |
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| 337 | public function setGrayImageResolution($grayImageResolution) |
|
| 338 | { |
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| 339 | $this->setArgument(sprintf('-dGrayImageResolution=%s', $grayImageResolution)); |
|
| 340 | ||
| 341 | return $this; |
|
| 342 | } |
|
| 343 | } |
|
| 344 | ||