PNG - Revision history

Thorsted: /* Specifications */

2025-06-25T19:58:51Z

‎Specifications

2024-01-29T23:32:20Z

‎Extensions by chunk type

2024-01-16T15:56:34Z

‎Extensions by chunk type

2024-01-16T15:02:14Z

‎Extensions by chunk type

2023-12-28T04:24:17Z

‎Sample files

2023-10-29T03:24:14Z

‎Software

2023-09-04T14:57:07Z

‎Links

2023-01-17T15:27:48Z

‎Links: Updated forensicswiki link to new domain

2023-01-17T15:23:30Z

‎Links: Added link to David Buchanan's blog post

2020-09-20T15:12:30Z

‎Extensions

@@ Line 70: / Line 70: @@
 * RFC 2083: PNG Specification Version 1.0
 * [http://www.iso.org/iso/iso_catalogue/catalogue_tc/catalogue_detail.htm?csnumber=29581 ISO/IEC 15948:2004] (not free to download)
 == Metaformat files ==

@@ Line 48: / Line 48: @@
 |<code>cpIp</code>, <code>cmOD</code> || Used in [[PNG Plus]].
 |-
-|<code>mkBF</code>, <code>mkBS</code>, <code>mkBT</code>, <code>mkTS</code> || Used in [[Fireworks PNG]].
+|<code>prVW</code>, <code>mkBF</code>, <code>mkBS</code>, <code>mkBT</code>, <code>mkTS</code> || Used in [[Fireworks PNG]].
 |}

@@ Line 47: / Line 47: @@
 |-
 |<code>cpIp</code>, <code>cmOD</code> || Used in [[PNG Plus]].
 |}

@@ Line 45: / Line 45: @@
 |-
 |<code>iDOT</code> || Used by Apple products. Some info at [https://www.hackerfactor.com/blog/index.php?/archives/895-Connecting-the-iDOTs.html].
 |}

@@ Line 87: / Line 87: @@
 * [http://www.libpng.org/pub/png/png-sitemap.html#images PNG Images]
 * [http://pngimg.com/ pngimg.com]
-* https://telparia.com/fileFormatSamples/image/png/
+* {{DexvertSamples|image/png}}
 == Links ==

@@ Line 75: / Line 75: @@
 ''Support for PNG is ubiquitous. Software listed here may have been selected arbitrarily.''
 * [http://www.libpng.org/pub/png/libpng.html libpng] and [http://www.zlib.net/ zlib]
 * [http://lodev.org/lodepng/ LodePNG]
 * [https://libspng.org/ libspng]

@@ Line 91: / Line 91: @@
 * [[Wikipedia:Portable Network Graphics|Portable Network Graphics (Wikipedia)]]
 * {{EGFF|png|PNG File Format Summary}}, from the [[Encyclopedia of Graphics File Formats]]
-* [https://forensics.wiki/portable_network_graphics_%28png%29/ Forensics Wiki article]
+* [{{ForensicsWikiURL|portable_network_graphics_%28png%29}} Forensics Wiki article]
 * [http://imgur.com/a/MtQZv#7 PNG format mini-poster]
 * [https://mattscodecave.com/posts/plaidctf-2015---corrupt-png.html How to repair a PNG that has suffered DOS->Unix character conversion]

← Older revision		Revision as of 15:23, 17 January 2023
Line 96:		Line 96:
	* [http://blog.codinghorror.com/getting-the-most-out-of-png/ Getting the Most Out of PNG (Jeff Atwood)]		* [http://blog.codinghorror.com/getting-the-most-out-of-png/ Getting the Most Out of PNG (Jeff Atwood)]
	* [https://medium.com/@duhroach/how-png-works-f1174e3cc7b7#.n3l0wota6 How PNG Works]		* [https://medium.com/@duhroach/how-png-works-f1174e3cc7b7#.n3l0wota6 How PNG Works]
		+	* [https://www.da.vidbuchanan.co.uk/blog/hello-png.html Hello, PNG!]

@@ Line 38: / Line 38: @@
 |<code>acTL</code>, <code>fcTL</code>, <code>fdAT</code> || Used in [[APNG]] files.
 |-
-|<code>vpAg</code>, <code>caNv</code> || Used by [[ImageMagick]].
+|<code>vpAg</code>, <code>caNv</code>, <code>orNT</code> || Used by [[ImageMagick]].
 |-
 |<code>CgBI</code> || Refer to [[CgBI]].
 |-
 |<code>eXIf</code>, <code>exIf</code> || [[Exif]] metadata. Refer to [http://ftp-osl.osuosl.org/pub/libpng/documents/proposals/eXIf/png-proposed-eXIf-chunk-2017-06-15.html PNG Proposed eXIf chunk] [approved 2017-07].
 |}