Composition Page
The Composition Page contains the tools wich lets the user to control the layout of the current image.
Image preview
This tool box display a preview of the current image.
The frame on the preview represent the part of the image wich is visible into the viewing area. You can drag the area to move the image more quickly.
On the right of the header of the box, it is a button wich make floating the preview box. This floating preview box is also into the menu View.
Shortcuts |
|
A | Show the floating preview box while the key is pressed |
Ctrl+A | Show - hide floating preview box |

Resizing tool box
Used to change the dimensions of the current image.
You can choose the unity in pixels or in percent.
Set the new values into the two entries and click on the button Resize.
You can reverse the transformation with the button Cancel.
The change appears into the Historic tool box.

Crop tool box
For a complete explanation of the crop feature see the Crop page.
You can reverse the transformation with the button Cancel.
The change appears into the Historic tool box.

Rotation - Straighten tool box
There are three tools in this box.
Angle Set a value into the entry and click on the button on the right of the entry.
Straighten Choose the orientation, click on the button and drag a line into the image. (E.g. Set Vertical and draw the line along the side of a building, the building will be rectified)
Flip This operate a mirror copy of the image, choose the direction and click on the button on the right of the entry.
When the image is rotated a frame show you the part of the image wich will be extracted from the original to create the new one. The most largest rectangle is computed for that but you can draw yourself this frame using the crop feature. Click on the button and proceed as for Cropping. In that case you will be able to crop outside the image area.
To finish click on the button Apply.
You can reverse the transformation with the button Cancel.
The change appears into the Historic tool box.

Historic tool box
This box display all the changes applied on the current image.
Each change contains its parametres and the name of the backup created for this transformation.
You can cancel one or more change by selecting the change and clicking the Cancel button, all the changes made after the selected one will be canceled too.
