Figura 14.138. The Color tools in the Tools menu
Access to the Color tools through the «classical» Tools menu.
Figura 14.139. The Color tools in the Colors menu
Access through the Colors menu is easier and faster.
With the Color tools you can manipulate image colors in several ways:
Modify the color balance: Secció 5.2, «Balanç de color»
Adjust hue, saturation and lightness levels: Secció 5.3, «To-Saturació avançat»
Render into a greyscale image seen through a colored glass: Secció 5.4, «To-Saturació bàsic»
Adjust brightness and contrast levels: Secció 5.5, «Brillantor-contrast»
Transform into a black and white image depending on pixel value: Secció 5.6, «Llindar blanc i negre»
Change the intensity range in a channel: Secció 5.7, «Nivells de color»
Change color, brightness, contrast or transparency in a sophisticated way: Secció 5.8, «Corbes de color»
Reduce the number of colors: Secció 5.9, «Redueix el nombre de colors»
Convert all colors to corresponding shades of gray: Secció 5.10, «Dessatura»
Except Desaturate and Posterize, color tools have presets: saved tool settings that you can retrieve later.
Three elements:
Presets: this drop-down list shows you the existing presets. Every time you change tool settings, a new preset is automatically saved, with date and hour; you must be aware of that, to preserve your computer memory.
The cross: clicking on this cross opens a window where you can save current settings under the name you want.
The small triangle: clicking on this triangle opens a small menu:
Three options:
Import settings from file
Export settings to file
Manage settings