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Notcurses: Difference between revisions

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391 bytes added ,  16:15, 31 October 2020
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| <tt>NCBLITTER_2x2</tt>
| <tt>NCBLITTER_2x2</tt>
| 2x2->1
| 2x2->1
| Highest quality for large images. Pixel aspect ratio is equivalent to cell aspect ratio, usually resulting in vertical stretching. Uses Unicode quadrant and three-quarter blocks (in addition to upper- and lower-half blocks, and spaces). Lossy whenever more than two colors are used within a 2x2 pixel square, lossless otherwise (bi- and tri-linear interpolation is used for more than two colors).
| Pixel aspect ratio is equivalent to cell aspect ratio, usually resulting in vertical stretching. Uses Unicode quadrant and three-quarter blocks (in addition to upper- and lower-half blocks, and spaces). Lossy whenever more than two colors are used within a 2x2 pixel square, lossless otherwise (bi- and tri-linear interpolation is used for more than two colors).
| <tt>NCBLITTER_3x2</tt>
| 2x2->1
| Highest quality for most large images. Pixel aspect ratio improves over NCBLITTER_2x2 but is less perfect than NCBLITTER_2x1, leading to slight vertical stretching. Uses Unicode sextants, left and right half blocks, and spaces). Lossy whenever more than two colors are used within a 3x2 pixel square, lossless otherwise (generalized linear interpolation is used for more than two colors).
|-
|-
| <tt>NCBLITTER_4x2</tt>
| <tt>NCBLITTER_4x2</tt>