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[ Source: pngnq  ]

Package: pngnq (1.1+ds-3 and others)

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Værktøj til optimering af PNG-billeder (Portable Network Graphics)

Pngnq er et værktøj for kvantificering af 32-bit RGBA PNG-billeder til 8- bit RGBA palet-PNG. Det er en adaption via Stuart Coyle af Greg Roelfs pngquant. Mens pngquant bruger en median klip-algoritme, så bruger Pngnq Anthony Dekkers neuquant-algoritme (http://members.ozemail.com.au/~dekker/NEUQUANT.HTML), der generelt giver bedre resultater end pngquant.

Optimeringsprogrammer (såsom pngcrush og optipng) optimerer komprimeringen, normalt uden kvalitetstab. Pngnq kvantificerer farver ned til 256 (eller færre) distinkte RGBA-kombinationer, som giver ret så meget kvalitetstab. Optimerede PNG'er er normalt to til fire gange mindre end 32- bit versioner.

Tags: Implemented in: C, User Interface: Command Line, Role: role::program, scope::utility, Purpose: Compressing, Supports Format: works-with-format::png, works-with::image, Works with: Raster Image

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Download for all available architectures
Architecture Version Package Size Installed Size Files
amd64 1.1+ds-3 24.7 kB91.0 kB [list of files]
arm64 1.1+ds-3+b1 24.1 kB156.0 kB [list of files]
armhf 1.1+ds-3 23.0 kB65.0 kB [list of files]
i386 1.1+ds-3 25.2 kB85.0 kB [list of files]
ppc64el 1.1+ds-3 26.2 kB155.0 kB [list of files]
riscv64 1.1+ds-3 24.4 kB75.0 kB [list of files]
s390x 1.1+ds-3 25.3 kB83.0 kB [list of files]