Portable Network Graphics
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PNG was created to improve GIF image-file format. Removing patent
license issues at that time; and removing 256 colors limitation.
Nom | Portable Network Graphics |
|---|---|
| Nom abrégé | PNG |
| Développé par | W3C (donated by PNG Development Group) |
| Année | 1996 |
| Avantages | Widely accepted format Lossless Transparency support |
| Inconvénients | Lossless only. Poor compression for photographic images. |
| Fonctionnalités | |
| Image vectorielle | Non |
| Image matricielle (Raster) | Oui |
| Format sans perte | Oui |
| 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. |
| Support de la transparence | Oui |
| Support des couches | Non |
| HDR | Non |
| Profondeur de couleur max. (bit depth) | 16-bit |
| Supporte CMYK (pour l'imprimerie) | Non |
| Nombre de canaux max. | 4 (RGBA) |
| Utilisations communes | Icons Simple web graphics like logos Illustrations, or raster text rendering |
| Navigateurs supportés (sans plugin) | |
| Google Chrome | Oui |
| Microsoft Edge | Oui |
| Safari | Oui |
| Firefox | Oui |
| Opera | Oui |
| Internet Explorer | Oui |
| Autre | |
| Extensions | Still: .png; Animated: .png, .apng |
| Wikipédia | wikipedia.org/... |
Avis utilisateurs et commentaires