Historique de Portable Network Graphics

Mis à jour 18 aoû. 2024 11:18:58

Date de création 11 avr. 2011 23:49:06

Seralo le 18 aoû. 2024 11:16:43
Image vectorielle
no
Support des couches
no
Supporte CMYK (pour l'imprimerie)
no
Wikipédia
https://en.wikipedia.org/wiki/PNG
Seralo le 18 aoû. 2024 11:09:40
Nom abrégé
PNG
HDR
no
Description
PNG was created to improve GIF image-file format. Removing patent license issues at that time; and removing 256 colors limitation.
_wb_ le 3 oct. 2021 16:06:49
Année
1996
Image vectorielle
no
Image matricielle (Raster)
yes
_wb_ le 3 oct. 2021 10:53:07
Inconvénients
Lossless only. Poor compression for photographic images.
Profondeur de couleur max. (bit depth)
16-bit
Supporte CMYK (pour l'imprimerie)
no
Nombre de canaux max.
4 (RGBA)
Alexis le 21 sep. 2020 21:42:55
Microsoft Edge
yes
Alexis le 21 sep. 2020 21:03:31
HDR
no
Matt Dexter Adams le 31 déc. 2016 19:21:54
Support animation
- Animated PNG is an extension to the PNG format which is compatible with the Gecko and WebKit layout engines and many image editing suites. Users of software incompatible with APNG see the first frame as a still.
Extensions
Still: .png; Animated: .png, .apng
Bre Wight le 13 mar. 2016 15:17:13
Inconvénients
More complex and larger image files can be large
Only supports web colors (RGB)
Limited compatibility
Utilisations communes
Icons
Simple web graphics like logos
Illustrations, or raster text rendering
Bre Wight le 13 mar. 2016 12:58:26
Avantages
Widely accepted format
Lossless
Transparency support
Seralive le 11 avr. 2011 23:49:06
Mode
70
Nom
Portable Network Graphics
Visibilité
public
Editeur
public
Catégorie
pratical
Extensions
.png
Développé par
W3C (donated by PNG Development Group)
Utilisations communes
Icons
Wikipédia
http://en.wikipedia.org/wiki/Portable_Network_Graphics
Format sans perte
yes
Nom abrégé
PNG
Support animation
no
Internet Explorer
yes
Google Chrome
yes
Safari
yes
Opera
yes
Firefox
yes
Licensed
no
Avantages
Lossless
Widely supported format
Transparency support
Support de la transparence
yes
Support des couches
no
Description
PNG was created to improve GIF image-file format. Removing patent license issues at that time; and removing 256 colors limitation.

Retourner à: Portable Network Graphics