Difference between revisions of "Pngcheck"
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|Short description=PNG integrity tester and dumper/debugger | |Short description=PNG integrity tester and dumper/debugger | ||
|Full description='Pngcheck' is the official PNG tester and debugger. It verifies the integrity of PNG, JNG and MNG files by checking the internal 32-bit CRCs or checksums, and optionally dumps almost all of the chunk-level information in the image in human-readable form. For example, it can be used to print the basic stats about an image (dimensions, bit depth, etc.); to list the color and transparency info in its palette; or to extract the embedded text annotations. Originally designed simply to test the CRCs within a PNG image file (e.g., to check for ASCII rather than binary transfer), it has since been extended to check and optionally print almost all the information about a PNG image and to verify that the image conforms to the PNG specification. The program supports all PNG and JNG chunks, plus almost all MNG chunks (everything but PAST, DISC, tERm, DROP, DBYK, and ORDR). | |Full description='Pngcheck' is the official PNG tester and debugger. It verifies the integrity of PNG, JNG and MNG files by checking the internal 32-bit CRCs or checksums, and optionally dumps almost all of the chunk-level information in the image in human-readable form. For example, it can be used to print the basic stats about an image (dimensions, bit depth, etc.); to list the color and transparency info in its palette; or to extract the embedded text annotations. Originally designed simply to test the CRCs within a PNG image file (e.g., to check for ASCII rather than binary transfer), it has since been extended to check and optionally print almost all the information about a PNG image and to verify that the image conforms to the PNG specification. The program supports all PNG and JNG chunks, plus almost all MNG chunks (everything but PAST, DISC, tERm, DROP, DBYK, and ORDR). | ||
| + | |Homepage URL=http://www.libpng.org/pub/png/apps/pngcheck.html | ||
|User level=none | |User level=none | ||
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|Computer languages=C | |Computer languages=C | ||
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|Related projects=L2P | |Related projects=L2P | ||
|Keywords=debugging,testing,checksum,PNG,CRC,pngcheck,jng,mng | |Keywords=debugging,testing,checksum,PNG,CRC,pngcheck,jng,mng | ||
| − | | | + | |Version identifier=2.3.0 |
| − | |Last review by= | + | |Version date=2007/07/07 |
| − | |Last review date= | + | |Version status=stable |
| + | |Version download=http://prdownloads.sourceforge.net/png-mng/pngcheck-2.3.0.tar.gz?download | ||
| + | |Last review by=Alejandroindependiente | ||
| + | |Last review date=2017/03/03 | ||
|Submitted by=Database conversion | |Submitted by=Database conversion | ||
|Submitted date=2011-04-01 | |Submitted date=2011-04-01 | ||
| − | | | + | |Status= |
| − | | | + | |Is GNU=No |
| − | | | + | |License verified date=2002-07-29 |
| − | | | + | }} |
| + | {{Project license | ||
| + | |License=X11 | ||
| + | |License verified by=Janet Casey | ||
|License verified date=2002-07-29 | |License verified date=2002-07-29 | ||
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}} | }} | ||
{{Person | {{Person | ||
| + | |Real name=Greg Roelofs | ||
|Role=Maintainer | |Role=Maintainer | ||
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|Email=newt@pobox.com | |Email=newt@pobox.com | ||
|Resource URL= | |Resource URL= | ||
}} | }} | ||
{{Person | {{Person | ||
| + | |Real name=Alexander Lehmann | ||
|Role=Contributor | |Role=Contributor | ||
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|Email=lehmann@usa.net | |Email=lehmann@usa.net | ||
|Resource URL= | |Resource URL= | ||
}} | }} | ||
{{Person | {{Person | ||
| + | |Real name=Andreas Dilger | ||
|Role=Contributor | |Role=Contributor | ||
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|Resource URL= | |Resource URL= | ||
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|Software-development=debugging | |Software-development=debugging | ||
|Use=software-development | |Use=software-development | ||
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}} | }} | ||
{{Software prerequisite | {{Software prerequisite | ||
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|Prerequisite description=zlib | |Prerequisite description=zlib | ||
}} | }} | ||
| + | {{Featured}} | ||
Revision as of 11:37, 3 March 2017
Pngcheck
http://www.libpng.org/pub/png/apps/pngcheck.html
PNG integrity tester and dumper/debugger
'Pngcheck' is the official PNG tester and debugger. It verifies the integrity of PNG, JNG and MNG files by checking the internal 32-bit CRCs or checksums, and optionally dumps almost all of the chunk-level information in the image in human-readable form. For example, it can be used to print the basic stats about an image (dimensions, bit depth, etc.); to list the color and transparency info in its palette; or to extract the embedded text annotations. Originally designed simply to test the CRCs within a PNG image file (e.g., to check for ASCII rather than binary transfer), it has since been extended to check and optionally print almost all the information about a PNG image and to verify that the image conforms to the PNG specification. The program supports all PNG and JNG chunks, plus almost all MNG chunks (everything but PAST, DISC, tERm, DROP, DBYK, and ORDR).
Licensing
License
Verified by
Verified on
Notes
Leaders and contributors
| Contact(s) | Role |
|---|---|
| Alexander Lehmann | Contributor |
| Andreas Dilger | Contributor |
| Greg Roelofs | Maintainer |
Resources and communication
| Audience | Resource type | URI |
|---|---|---|
| Debian (Ref) | https://tracker.debian.org/pkg/pngcheck | |
| Bug Tracking,Developer,Support | mailto:newt@pobox.com |
Software prerequisites
| Kind | Description |
|---|---|
| Weak prerequisite | zlib |
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.
The copyright and license notices on this page only apply to the text on this page. Any software or copyright-licenses or other similar notices described in this text has its own copyright notice and license, which can usually be found in the distribution or license text itself.