JPEGT - Revision history

MihaiPopa7: /* Software */

2026-02-27T21:04:47Z

‎Software

2026-02-27T20:46:29Z

2026-02-27T20:45:05Z

2026-02-27T20:43:20Z

2026-02-27T20:41:22Z

2026-02-27T20:41:11Z

‎Identification

2026-02-27T20:40:31Z

2026-02-27T20:27:53Z

2026-02-27T20:26:26Z

2026-02-27T20:00:39Z

‎Software

@@ Line 33: / Line 33: @@
 ==Software==
-* {{HTTPS|:|/|/|mpopa2048-source.github.io/jpegt-encoder|JPEGT encoder, viewer and decoder}}
+* {{HTTPS|:|/|/|mpopa2048-source.github.io/jpegt-encoder|JPEGT/JPEGT+ encoder, viewer and decoder}}
-It supports PNG files for encoding and JPEGT files for viewing and decoding back to PNG.
+It supports PNG files for encoding and JPEGT/JPEGT+ files for viewing and decoding back to PNG.

@@ Line 11: / Line 11: @@
 Likewise, it's being used for clip art, logos, photos, you name it.
 A new version called JPEGT+ uses JPEG for the mask, which reduces file sizes with somewhat minimal loss in mask quality.
 ==Identification==

← Older revision		Revision as of 20:45, 27 February 2026
Line 10:		Line 10:

	Likewise, it's being used for clip art, logos, photos, you name it.		Likewise, it's being used for clip art, logos, photos, you name it.
		+
		+	A new version called JPEGT+ uses JPEG for the mask, which reduces file sizes with somewhat minimal loss in mask quality.

	==Identification==		==Identification==

@@ Line 3: / Line 3: @@
 |subcat=Graphics
 |extensions={{ext|jpegt}}, {{ext|jpet}}, {{ext|jpgt}}
-|released=2024
+|released='''JPEGT''': 2024<br/>'''JPEGT'''+: 2026
 }}
 '''JPEGT''' and '''JPEGT+''' ('''JPEG''' '''T'''ransparent or '''JPEG''' with '''T'''ransparency) are image formats created by [[User:MihaiPopa7|myself]]. It's the successor of [[Hemera Photo-Object]].

@@ Line 15: / Line 15: @@
 The file starts with {{magic|JPGT%%}} and then {{magic|0x31 0x41 0x59 0x26 0x53 0x58}} which it's the first 12 [[BCD]] encoded digits of pi.
-Then the JPEG picture comes in, and the PNG mask comes in.
+Then the JPEG picture comes in, and the PNG mask comes in. A variation of this is mostly the same, but the PNG mask is deflated with Pako, in this case it starts with {{magic|CMPR}}.
-−
 A variation of this is mostly the same, but the PNG mask is deflated with Pako, in this case it starts with {{magic|CMPR}}.
 That variation is not longer used, and the current version is using the correct formats.

@@ Line 5: / Line 5: @@
 |released=2024
 }}
-'''JPEGT''' ('''JPEG''' '''T'''ransparent or '''JPEG''' with '''T'''ransparency) is a image format created by [[User:MihaiPopa7|myself]]. It's the successor of [[Hemera Photo-Object]].
+'''JPEGT''' and '''JPEGT+''' ('''JPEG''' '''T'''ransparent or '''JPEG''' with '''T'''ransparency) are image formats created by [[User:MihaiPopa7|myself]]. It's the successor of [[Hemera Photo-Object]].
 It's just JPEG with transparency, a feature that didn't come out until earlier with [[JNG]] and [[Hemera Photo-Object]].
@@ Line 12: / Line 12: @@
 ==Identification==
+===JPEGT===
 The file starts with {{magic|JPGT%%}} and then {{magic|0x31 0x41 0x59 0x26 0x53 0x58}} which it's the first 12 [[BCD]] encoded digits of pi.
@@ Line 18: / Line 18: @@
 That variation is not longer used, and the current version is using the correct formats.
 The idea was also used by [[Hemera Photo-Object]], but the signature is not the same, but how it works it's the same.

← Older revision		Revision as of 20:27, 27 February 2026
Line 16:		Line 16:

	Then the JPEG picture comes in, and the PNG mask comes in. A variation of this is mostly the same, but the PNG mask is deflated with Pako, in this case it starts with {{magic\|CMPR}}.		Then the JPEG picture comes in, and the PNG mask comes in. A variation of this is mostly the same, but the PNG mask is deflated with Pako, in this case it starts with {{magic\|CMPR}}.
		+
		+	That variation is not longer used, and the current version is using the correct formats.

	The idea was also used by [[Hemera Photo-Object]], but the signature is not the same, but how it works it's the same.		The idea was also used by [[Hemera Photo-Object]], but the signature is not the same, but how it works it's the same.