Preview Image Editor

Preview image for barcode detection, providing a visual interface for reviewing page content and barcode results.

Remarks

The Preview Image Editor control displays a visual preview of a document page, typically used for barcode detection and review scenarios in Grooper. It allows users to inspect the page content, verify barcode locations, and confirm detection results before proceeding with downstream processing. The editor integrates with the Page Viewer to provide high-fidelity rendering and interactive features for image-based and PDF content.

UI Components

• Page Viewer:
  • Renders the page image in its native format, supporting zoom, pan, and fit-to-window options.
  • Displays overlays for detected barcodes, including bounding boxes and decoded values.
  • May include navigation controls for multi-page documents, such as next/previous page buttons.
  • Supports context menu commands for image review, such as display format changes (color, grayscale, binary), rotation, and reset.
  • Integrates with Grooper's image review commands for advanced processing and cleanup.

Interactive Features

• Image Navigation:
  • Zoom in/out to inspect barcode regions and page details.
  • Pan across the image for full-page review.
  • Fit-to-window and actual size options for optimal viewing.
• Barcode Overlays:
  • Visual indicators highlight detected barcodes, showing their location and decoded value.
  • Click or hover to view barcode details and metadata.
• Image Review Commands:
  • Access context menu commands for display format (color, grayscale, binary), rotation, inversion, and reset.
  • Keyboard shortcuts for common actions: Ctrl + Shift + C (color), Ctrl + Shift + G (grayscale), Ctrl + Shift + B (binary), Ctrl + Left/Right (rotate), Ctrl + Shift + R (reset).
• Multi-Page Support:
  • Navigate between pages in multi-page documents using navigation controls.
  • Review barcode detection results across all pages.

Usage Guidance

Use the Preview Image Editor to visually inspect document pages for barcode detection accuracy. Review overlays to confirm barcode locations and values, and use image review commands to adjust display format or correct orientation. For multi-page documents, navigate between pages to ensure all barcodes are detected and properly reviewed.

• For quality assurance, verify that all expected barcodes are present and correctly decoded.
• Use zoom and pan to inspect small or densely packed barcode regions.
• Apply image review commands to enhance visibility or correct display issues.

Accessibility

• Fully navigable by keyboard and mouse.
• Screen reader support for page content, overlays, and command menus.
• Visual highlighting for selection, focus, and barcode overlays.

Child Controls

Name	Type		Summary
Viewer	Page Viewer	►	Displays the page content, supporting image navigation, barcode overlays, and review commands. Purpose The Viewer control renders the document page, providing interactive features for zoom, pan, and barcode overlay review. It supports context menu commands for display format, rotation, and image cleanup, and integrates with Grooper's image review workflow. Usage Inspect page content and barcode overlays for detection accuracy. Use zoom and pan controls to focus on specific regions. Access context menu commands for display format and image review actions. Navigate between pages in multi-page documents. Accessibility Fully navigable by keyboard and mouse. Screen reader support for page content and overlays.