image manipulation procedures to be easily scripted. One of The GIMP's strengths is its free availability from many sources for many operating systems. Most GNU/Linux distributions include The GIMP as image size is limited only by available disk space • Sub-pixel sampling for all paint tools for high-quality anti-aliasing • Full Alpha channel support for working with transparency • Layers and and BeOS. The GIMP can easily be ported to other operating systems because of its source code availability. Language All being well, GIMP detects the system language. This may fail on some machines

image manipulation procedures to be easily scripted. One of The GIMP’s strengths is its free availability from many sources for many operating systems. Most GNU/Linux distri- butions include The GIMP disk space GNU Image Manipulation Program 23 / 653 • Sub-pixel sampling for all paint tools for high-quality anti-aliasing • Full Alpha channel support for working with transparency • Layers and channels and BeOS. The GIMP can easily be ported to other operating systems because of its source code availability. 2.1.2 Language All being well, GIMP detects the system language. This may fail on some machines

Gomulinski (Documentation) • George J. Carret (Documentation) • PhotoDisc (For their kind donation of high-quality images for this book project) • Thom van Os (Images in Selective Gaussian Blur) • Eric Galluzzo so image size is limited only by available disk space • Sub-pixel sampling for all paint tools for high-quality anti-aliasing • Full Alpha channel support • Layers and channels • A procedural database the bot- tle (where the wine was) the bottom part was re- created by cloning different parts of the high- light bottle, and this layer was set to Screen Mode. The shadow bottle was set to Multiply. Highlight

Deinterlace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 661 17.4.4 High Pass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 662 17.4 . . . . . . . . 1001 X Tone Mapping and Shadow Recovery Using GIMP’s ‘Colors/Exposure’ 1003 .16 High bit depth GIMP’s floating point “Colors/Exposure”: much better than Curves for lightening the shadows highlights . . . . 1005 .17 A step-by-step example showing how to recover shadow information using high bit depth GIMP’s floating point “Colors/Exposure” . . . . . . . . . . . . . . . . . . . . . . . .

green and 240° stands for blue. High saturation means that the pixel is coloured, while pixels with zero saturation are black, grey or white pixels. Finally, high value means that the pixel is bright