This section provides information about how to work with the following:

• Using Callback Functions
• • Use Private Data in Callback Functions
  • Register a Callback Function
  • Register a Status Bar Callback
• Detecting Image Format
• Loading and Saving
• • Load an Image or Document
  • • Working with Large Images
    • • Configuring Memory Mapping
      • Accessing Pixels of Large Images
      • Large Image Formats Supported
  • Save an Image or Document
  • Use File Format Filters
  • Set the Buffer Size to Limit IO
• Compressing and Converting Images
• • Compression and Decompression
  • Convert Image Format
• Manipulating Image Data
• • Work with Single-Page Images (HIGEAR)
  • Work with Multi-Page Documents (HMIGEAR)
  • • Create and Delete a Multi-Page Image Object
    • Open and Close an External Image File
    • Load and Save Pages in a Multi-Page Document
    • Reorder Pages in a Multi-Page Document
    • Use the Multi-Page Image Callback Function
  • Access Image Pixels
  • Work with Image Utility Functions
  • • Creating DIBs and DDBs
    • Deleting DIBs and DDBs
    • Reading and Writing Palettes
    • Getting Information about a HIGEAR Image
  • Access Image Metadata
• Viewing
• • Grayscale Look-Up Tables
  • Display Options
  • • Geometric Layout
    • Dithering, Anti-Aliasing, and Palette Handling
    • Transparency and Background
    • Look-Up Tables and Gamma Correction
  • GUI Features
  • • GUI Windows
    • • Pan Window
      • Magnify Window
      • Palette Window
      • Thumbnail Window
    • GUI Dialogs
    • Mouse Tracking
    • Unicode Support
  • Printing
  • Scanning
  • • TWAIN Scanning
    • • Open the Source
      • Set the TWAIN Image Acquisition Mode
      • Set Scanning Capabilities
      • • CAP_DUPLEXENABLED
        • CAP_FEEDERENABLED
        • CAP_FEEDERLOADED
        • CAP_PAPERDETECTABLE
        • CAP_XFERCOUNT
        • ICAP_BITORDER
        • ICAP_BITDEPTH
        • ICAP_BRIGHTNESS
        • ICAP_COMPRESSION
        • ICAP_CONTRAST
        • ICAP_HIGHLIGHT
        • ICAP_IMAGEFILEFORMAT
        • ICAP_MINIMUMHEIGHT
        • ICAP_MINIMUMWIDTH
        • ICAP_PIXELFLAVOR
        • ICAP_PIXELTYPE
        • ICAP_SHADOW
        • ICAP_UNITS
        • ICAP_XFERMECH
        • ICAP_XRESOLUTION
        • ICAP_XSCALING
        • ICAP_YRESOLUTION
        • ICAP_YSCALING
      • Scan and Acquire Pages
    • ISIS Scanning
    • • Use ISIS Drivers
      • • Load the Currently-Selected Scanner Driver
        • Let the User Install and Select Drivers
      • Make ISIS Pipes
      • Write a Simple Scanning Application
      • Simplify the Scanning Application
      • Split a Pipe
      • More ISIS Characteristics
      • • Buffer Image Data
        • Load and Unload Drivers
        • Implement a Yield Function
        • Work with IG_ISIS_drv_load in Special Cases
        • Unload a Pipe Using IG_ISIS_drv_unload_pipe
        • Tag Characteristics
        • Check a Scanner for Feeder Capabilities
        • Check the Feeder and Increment Filenames
        • Handle ISIS Errors
        • Scan from any Scanner
        • Invoke a Pipe with Individual Functions
        • Multi-stream Scanning
      • Work with Tags
      • • Functions for Working with ISIS Tags
        • ISIS Tag Examples
        • ScanAhead
    • Using Clipboard Operations