# OpenGL Imageviewer

The KIPI imageviewer allows to display a selection of images and to do basic operations, such as rotation, zooming or panning. The usage of the viewer is only based on keyboard shortcuts and mouse gestures. It was placed emphasis mainly on speed in displaying as well as fast access to the functions.

## Image Access

Next Image

- - Scrollwheel Down

  - Down/Right

  - Space

  - N

  - PgDown

Previous Image

- - Scrollwheel Up

  - Up/Left

  - P

  - PgUp

Quit

- - Esc

## Display

Toggle fullscreen/normal

- On startup, an image is displayed in fullscreen mode by default. It can be changed to windowed mode if desired.

  - F

Toggle scrollwheel action

- Turning the scrollwheel either proceeds to the next image or zooms into the image.

  - C

Rotation

- The rotation is only temporary and not saved to the file.

  - R

Reset view

- - double click

Original size

- Each pixel of the image corresponds to a pixel of the screen.

  - O

## Zooming

- - move mouse up/down while pressing the &RMB;

  - scrollwheel (if you toggled the scrollwheel action)

  - +/-

  - &Ctrl; + scrollwheel

## Panning

- - move mouse while pressing the &LMB;