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Editing

Editing

CyberViewer provides light editing tools for images: rotate, crop, resize, and color adjustments.


Rotate

Rotation Actions

Action Shortcut Description
Rotate left Q Rotate 90° counter-clockwise
Rotate right E Rotate 90° clockwise
Flip horizontal Mirror left-right
Flip vertical Mirror top-bottom

Save Workflow

After rotating:

  • Save — Overwrite original file
  • Save As — Save to new file
  • Discard — Revert to original

Crop

How to Crop

  1. Click the Crop tool
  2. A crop overlay appears on the image
  3. Drag handles to adjust the crop region
  4. Confirm or cancel

Crop Handles

  • 8 handles: 4 corners + 4 edges
  • Drag to resize the crop region
  • Maintain aspect ratio with Shift

Crop Options

Option Description
Create copy Save crop as new file, keep original
Apply Crop the current image

Confirm/Cancel

  • Enter or Apply — Confirm the crop
  • Escape — Cancel and revert

Resize

How to Resize

  1. Click the Resize tool
  2. Enter new dimensions or choose a preset
  3. Choose resampling quality
  4. Apply

Resize Presets

Preset Dimensions
720p 1280 × 720
1080p 1920 × 1080
25% Quarter of original
50% Half of original
200% Double original

Manual Resize

Enter custom dimensions:

  • Width and height in pixels
  • Aspect ratio lock option
  • Independent width/height adjustment

Resampling Quality

Quality Description
Low Fast, lower quality
Medium Balanced
High Best quality, slower

Color Adjustments

Adjustment Tools

Tool Description
Brightness Lighten or darken the image
Contrast Increase or decrease contrast
Saturation Adjust color intensity
Blur Apply gaussian blur
Grayscale Convert to black and white
Invert Invert all colors

Live Preview

  • A/B preview shows before/after
  • Adjust sliders for real-time feedback
  • Reset to defaults anytime

Apply Workflow

  1. Open adjustments panel
  2. Adjust sliders
  3. Preview changes live
  4. Apply to confirm or Cancel to revert

Edit Settings

General

Setting Description
Navigation zoom Reset or keep zoom on image change
Double-click behavior Fit-to-window or original size

Non-Destructive

All edits are non-destructive until saved:

  • Original file is preserved
  • Save to overwrite or create copy
  • Discard to revert all changes