Commands legend

1. The title bar shows the file name (if a raster image is selected).
2. The color space popup lets you choose between all the color profiles available on your system. At start it shows the assigned image color profile (if any) with the "(embedded)" trail. If an image has no embedded profile, the GenericRGB profile is assigned (with the "(assigned)" trail). To change a color space means to show to the screen how an image should appear if printed with that profile.
3. Filters (image controls). You can control each value by a slider or a numerical input.
4. Slider to vary the filter value between the max and min values.
5. The minimum, neutral and maximum values for each filter. The neutral value has no effect on the image. To reset a slider to the neutral value click on its relative checkbox (see 6).
6. Reset neutral value checkbox. When a slider has moved from its default position, the checkbox is ON and that filter is applied. Click on the checkbox to reset it OFF (neutral value).
7. Numerical value of a filter. While usually reflecting the numerical value of the slider, double clicking on this field, lets you to set manually the filter value (only values between min and max are admitted).
8. Reset push button. Reset the image to the original one, setting all filters to neutral value and the color space to the embedded one (see point 2).
9. Copy the current image settings to apply the same to another image.
10. Paste the previously copied settings to the current image.