Grooper Help - Version 25.0
25.0.0017 2,127
  • Overview
  • Help Status

Page Viewer

Content Viewer GrooperReview.DocView

Displays paginated documents.

Remarks

The Page Viewer control provides a comprehensive interface for viewing, navigating, and interacting with paginated documents in the Grooper web client. It is designed for image-based and PDF content, where each document consists of one or more pages with fixed size and layout. The control supports advanced navigation, image review, region selection, editing, and print preview operations, making it ideal for document review, quality assurance, and processing workflows.

Purpose

  • Display multi-page documents such as scanned images, PDFs, and TIFFs.
  • Navigate between pages using intuitive controls.
  • Review, select, and edit image regions for processing or export.
  • Search document text and copy content to the clipboard.
  • Access print preview and page information for quality assurance.

Main Features

  • Page Navigation:
    Use the {CurrentPage} navigator to move between pages, with clear indication of the current page and total page count.
  • Image Display:
    The {ImageViewer} child control renders the current page, supporting zoom, fit, and full-resolution display modes.
  • Region Selection:
    Drag a rectangle to select a region of the image for cropping, copying, or further processing.
  • Search and Copy:
    Search document text and copy selected text or image regions to the clipboard.
  • Image Editing:
    Access image adjustment tools for cropping, editing, and fitting the image to the window.
  • Print Preview:
    Launch a print preview window for the current page.
  • Page Information:
    View detailed technical information about the current page, including format, size, and resolution.

Interactive Components

  • Inputs:
    • Page navigation controls for moving between pages.
    • Region selection via mouse drag.
    • Search box for document text.
  • Buttons:
    • {search}: Search the current document (Alt + F).
    • {select}: Start region selection (rubberband).
    • {copy}: Copy selected image region to clipboard.
    • {copy_text}: Copy selected text to clipboard.
    • {crop}: Crop the image to the selected region.
    • {edit}: Adjust image properties.
    • {print}: Display print preview.
    • {info}: View page details.
    • {fit}, {fit_height}, {fit_width}, {full}: Fit and zoom controls.
  • Child Controls:
    • {Current Page}: Page navigation control.
    • {Image Viewer}: Displays the current page image.

Usage Guidance

  1. Use the {Current Page} navigator to select the page you wish to view.
  2. Review the page image in the {Image Viewer}, using fit and zoom controls for optimal viewing.
  3. Drag to select a region for cropping or copying; use the {select} button to start region selection.
  4. Use the {search} button to find text within the document.
  5. Copy selected image regions or text using {copy} and {copy_text}.
  6. Edit image properties or crop the image using {edit} and {crop}.
  7. Access print preview and page information using {print} and {info}.
  8. Use keyboard shortcuts for efficient navigation and actions.

Example

┌───────────── Page Viewer ──────────────┐
│                                        │
│      Page navigation and buttons       │
│                                        │
├────────────────────────────────────────┤
│                                        │
│              Image Viewer              │
│                                        │
└────────────────────────────────────────┘

Keyboard Shortcuts

  • Alt + F: Search document text.
  • Escape: Cancel region selection (rubberband).
  • Additional shortcuts may be available in {ImageViewer} for fit, zoom, and navigation.

Notes

  • The control is optimized for high-performance image rendering and multi-page navigation.
  • Region selection supports cropping, copying, and further image processing.
  • Page information provides technical details for troubleshooting and quality assurance.
  • Print preview integrates with browser/system dialogs for printing.
  • The control is suitable for document review, image QA, and batch processing workflows in Grooper.

Command Buttons

ButtonShortcut KeySummary

Child Controls

NameTypeSummary

Used By

Notification