Outils pour utilisateurs
en:pngsave
Différences
Ci-dessous, les différences entre deux révisions de la page.
| Prochaine révision | Révision précédente | ||
|
en:pngsave [2011/01/13 00:18] nash créée |
en:pngsave [2020/01/13 23:38] (Version actuelle) |
||
|---|---|---|---|
| Ligne 255: | Ligne 255: | ||
| ===== what we see ? ===== | ===== what we see ? ===== | ||
| + | |||
| + | * **photoshop** | ||
| + | * produce biggest file | ||
| + | * add gamma | ||
| + | * icc and chrm chunk !! | ||
| + | * remove time chunk don't insert text information in file (don't read it too) | ||
| + | * **acdsee** | ||
| + | * remove phys chunk | ||
| + | * but the idat chunk are split in 8kbyte recompress it with pngcrush, merge all those chunk | ||
| + | * with a photoshop png file, results are the same | ||
| + | * **xnview or irfanview** | ||
| + | * png of exact same size ! ) | ||
| + | * remove time chunk | ||
| + | * idat chunk are split in 8kbyte | ||
| + | * with a photoshop png file, results are the same | ||
| + | * **paint shop pro** | ||
| + | * add gamma and text chunk ! | ||
| + | * insert text information in file | ||
| + | * with a photoshop png file, results are the same | ||
| + | |||
| + | |||
| ===== My conclusion ===== | ===== My conclusion ===== | ||
| + | to update your file to use most PNG feature, use photoshop, and recompress your file using pngcrush | ||
| + | forget about adding text chunk for the moment, cause no tool is able to add them, without loosing another chunks | ||
| + | do NOT save in interlaced. you'll get a bigger file. | ||
en/pngsave.1294874323.txt.gz · Dernière modification: 2020/01/13 23:33 (modification externe)
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