此枚举在 Windows 版 FRE 中实现。
元素
| 名称 | 说明 |
|---|---|
| SCT_NoCompression | 图像保存时不使用任何压缩。 |
| SCT_CcittGroup3 | 使用 CCITT Group 3 的黑白 TIFF 压缩。 |
| SCT_CcittGroup4 | 使用 CCITT Group 4 的黑白 TIFF 压缩。 |
| SCT_JpegJfif | 使用 JPEG 协议 (JFIF) 的灰度或彩色 TIFF 压缩。 |
Engine 对象（IEngine 接口）
Text 相关对象
机制相关对象
分类相关对象
许可证相关对象
其他对象和方法
枚举
- 枚举
- AltoVersionEnum
- AvailableBarcodeModulesFlags
- AvailableEngineModulesFlags
- AvailableExportFormatsFlags
- AvailableLanguageSetsFlags
- AvailableTextTypesFlags
- AvailableVisualComponentsFlags
- AveragingMethodEnum
- BackgroundColorModeEnum
- BarcodeOrientationEnum
- BarcodeSupplementTypeEnum
- BarcodeTypeEnum
- BaseLanguageLetterSetEnum
- BitmapBitsFormatEnum
- BlockLayerTypeEnum
- BlockRoleEnum
- BlockTypeEnum
- BusinessCardFieldComponentTypeEnum
- BusinessCardFieldTypeEnum
- BwPictureFormatsEnum
- CaseRecognitionModeEnum
- CharacterFlags
- CheckingTextModeEnum
- CheckmarkCheckStateEnum
- CheckmarkTypeEnum
- ClassifierTypeEnum
- CodePageEnum
- ColorPictureFormatsEnum
- ComparatorExportFormatEnum
- CompressImageModeEnum
- CorrectOrientationModeEnum
- CorrectSkewModeEnum
- DetectColorRegionFlags
- DictionaryTypeEnum
- DitheringMethodEnum
- DocumentChangeTypeEnum
- DocumentTypeEnum
- FieldMarkingTypeEnum
- FileExportFormatEnum
- FontEmbeddingModeEnum
- FontFormattingModeEnum
- FontNamesFiltersEnum
- FontTypeEnum
- FREngineModuleEnum
- FREngineVersionEnum
- GapMeasurementUnitEnum
- GrayPictureFormatsEnum
- HTMLDocumentSplittingModeEnum
- HTMLFormatModeEnum
- HTMLSynthesisModeEnum
- HyperlinkSchemeEnum
- ImageColorTypeEnum
- ImageFileFormatEnum
- ImageSourceTypeEnum
- ImageTypeEnum
- LanguageCategoryEnum
- LanguageIdEnum
- LicenseCounterTypeEnum
- MessagesLanguageEnum
- ModificationTypeEnum
- MonospaceDetectionModeEnum
- MrzExportFormatEnum
- MrzFieldTypeEnum
- MrzFormatEnum
- MultiProcessingModeEnum
- NoiseModelEnum
- NumberingStyleEnum
- ObjectsColorEnum
- ObjectsTypeEnum
- OfficeConverterTypeEnum
- OverwriteResolutionModeEnum
- PageAnalysisModeEnum
- PageFlushingPolicyEnum
- PageOrientationEnum
- PageProcessingStageEnum
- PageSplitDirectionEnum
- PageSplitTypeEnum
- PaperSizeDetectionModeEnum
- PaperSizeModeEnum
- ParagraphAlignmentEnum
- ParagraphExtractionModeEnum
- ParagraphRoleEnum
- ParagraphTabAlignmentEnum
- PDFAComplianceModeEnum
- PDFAttachmentBindingEnum
- PDFEncryptionAlgorithmEnum
- PDFExportModeEnum
- PDFExportScenarioEnum
- PDFKeyLengthEnum
- PDFMRCModeEnum
- PDFResolutionTypeEnum
- PDFVersionEnum
- PictureColorityModeEnum
- QueuePushingModeEnum
- ReadingTypeEnum
- RecognitionModeEnum
- RotationTypeEnum
- RTFPageSynthesisModeEnum
- ScanBrightnessControlEnum
- ScanColorModeEnum
- ScanCompressionTypeEnum
- ScanPaperFeedModeEnum
- ScanPaperSizeEnum
- ScanPauseModeEnum
- ScanRotationAngleEnum
- ScanSourceApiTypeEnum
- ScanSourceStatusEnum
- ScanSourceUITypeEnum
- SeparatorTypeEnum
- SkewCorrectionModeEnum
- SourceContentReuseModeEnum
- SpeedQualityModeEnum
- StraightenLinesModeEnum
- ResolutionDetectionMode
- StyleParamsEnum
- TabLeaderTypeEnum
- TableSeparatorTypeEnum
- TextAndBackgroundColorModeEnum
- TextCategoryEnum
- TextEncodingTypeEnum
- TextLanguageLetterSetEnum
- TextLayoutRetentionModeEnum
- TextTypeEnum
- ThreeStatePropertyValueEnum
- TimeoutHandlingModeEnum
- TimeZoneTypeEnum
- TrainingModeEnum
- TXTExportFormatEnum
- UserPatternsTrainingFlags
- VolumeRefreshingPeriodEnum
- WordModelTypeEnum
- WriteDateEnum
- XLFileFormatEnum
- XLSXLayoutRetentionModeEnum
- XLSXPaperSizeEnum
- XMLCharAttributesEnum
- XPSExportModeEnum
- 标准返回代码
枚举
ScanCompressionTypeEnum
ScanCompressionTypeEnum 枚举常量用于指定扫描后图像的压缩模式。压缩类型还取决于色彩模式。
IScanSourceSettings::CompressionType
IScanSourceCapabilities::Compressions
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