If you enter invalid value, edit line will have red background and that value won't be saved
Settings
Resizing can be applied before or after other filters. This is controled with "Resizing is applied before other filters" checkbox. Note: if cropping or zoom is selected, it is applied always first
Resize algorithms:
Fast bilinear - fast with acceptable quality
Bilinear - quality slighty better than previous, but a little bit slower
Bicubic - high quality, slower
Experimental - similar to bicubic, but with different coefficients
Point - fastest, ugliest
Area -
Gaussian blur - during resizing, image can be slightly blurred - independend on blur filter
Sharpen - sharpens image during resizing, independend on sharpening filters
