Getting to know the program > Using Preview Windows
Using Preview Windows
Most dialogs that correct images, apply effects, or modify selections have two preview windows that show the image before and after changes are applied. Use the window controls to zoom the preview in or out, pan it, change the opacity, or to try out different effect settings.
 Click the Open Effect Settings button to open previously saved effect settings in text (.txt) format.
 Click the Save Effect Settings button to save the current effect settings in text (.txt) format.
 The Undo command allows you to undo your last action.
 The Redo command allows you to redo your last action.
 The Reload Image command allows you to reload the original image.
 Zoom in, zoom out, zoom 100% and fit the image to the window size. At 100% zoom your image will display at its actual image size.
 Zoom in, zoom out, zoom 100% and fit the image to the window size. At 100% zoom your image will display at its actual image size.
 Click the Split Window button to split the preview window into two panes. The left pane shows the original image. The right pane shows the image after the effect has been applied. You can pan to view different parts of the image by dragging the image around.
 Click and hold the Navigate button, and then center the selection rectangle over the part of the image you want to display.
 Select an opacity value from the list. The lower the value, the more transparent the effect will be.
 The View Favorites and History command allows you to show or hide the favorites and history.
 The Add to Favorites command allows you to add the effect settings into your list of favorites.
 Click the Random Values button to try out random settings.
 Click the Random Images to File button to try out random settings and write the result to file.
 Click the Random Colors button to try out random colors. The other settings remain unchanged.
 Click the Help button to show the help index and search.