[Desktop-packages] [Bug 1886279] Re: simple-scan pdf compression

2020-11-24 Thread Degrange Thomas
I am still interested into having this point taken into account.

** Changed in: simple-scan (Ubuntu)
   Status: Expired => New

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Title:
  simple-scan pdf compression

Status in simple-scan package in Ubuntu:
  New

Bug description:
  Hello,

  PDF compression cannot appropriately be configured.

  Having taken a look at the latest source code of simple-scan:
  1) simple-scan compresses each image in ZLIB or JPEG depending on the 
compressed size (it keeps the ZLIB version if it is smaller than the JPEG)
  2) the "quality" setting only applies to JPEG

  With this in mind, I think it is impossible to use simple-scan to
  create a PDF full of lossless ZLIB images for archiving documents
  where we want to keep quality at the expense of the size.

  Best regards

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[Desktop-packages] [Bug 1886279] Re: simple-scan pdf compression

2020-07-09 Thread Degrange Thomas
As a user I like to know what happens inside things.

I would like a combo-box in "preferences" giving the following choices for 
saving to pdf:
1) Jpeg or zlib (smallest one chosen for each image) -> default
2) Jpeg only (lossy)
3) Zlib only (lossless)

Your proposition is much simpler, however it remains opaque to users.

It depends on the audience you target.

Note: I just installed everything to disable jpeg compression in a local
build (quick hack) and debug the program. It is my first time with Vala
+ Gtk. So we may have more technical discussion now.

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Title:
  simple-scan pdf compression

Status in simple-scan package in Ubuntu:
  Incomplete

Bug description:
  Hello,

  PDF compression cannot appropriately be configured.

  Having taken a look at the latest source code of simple-scan:
  1) simple-scan compresses each image in ZLIB or JPEG depending on the 
compressed size (it keeps the ZLIB version if it is smaller than the JPEG)
  2) the "quality" setting only applies to JPEG

  With this in mind, I think it is impossible to use simple-scan to
  create a PDF full of lossless ZLIB images for archiving documents
  where we want to keep quality at the expense of the size.

  Best regards

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[Desktop-packages] [Bug 1886279] Re: simple-scan pdf compression

2020-07-04 Thread Degrange Thomas
** Description changed:

  Hello,
  
  PDF compression cannot appropriately be configured.
  
  Having taken a look at the latest source code of simple-scan:
- 1) simple-scan compresses each image in GIF or JPG depending on the 
compressed size (it keeps the GIF version if it is smaller than the JPG)
- 2) the "quality" setting only applies to JPG
+ 1) simple-scan compresses each image in ZLIB or JPEG depending on the 
compressed size (it keeps the ZLIB version if it is smaller than the JPEG)
+ 2) the "quality" setting only applies to JPEG
  
- With this in mind, it is impossible to use simple-scan to create a PDF
- full of lossless GIFs for archiving documents where we want to keep
- quality at the expense of the size.
+ With this in mind, I think it is impossible to use simple-scan to create
+ a PDF full of lossless ZLIB images for archiving documents where we want
+ to keep quality at the expense of the size.
  
  Best regards

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https://bugs.launchpad.net/bugs/1886279

Title:
  simple-scan pdf compression

Status in simple-scan package in Ubuntu:
  New

Bug description:
  Hello,

  PDF compression cannot appropriately be configured.

  Having taken a look at the latest source code of simple-scan:
  1) simple-scan compresses each image in ZLIB or JPEG depending on the 
compressed size (it keeps the ZLIB version if it is smaller than the JPEG)
  2) the "quality" setting only applies to JPEG

  With this in mind, I think it is impossible to use simple-scan to
  create a PDF full of lossless ZLIB images for archiving documents
  where we want to keep quality at the expense of the size.

  Best regards

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[Desktop-packages] [Bug 1886279] [NEW] simple-scan pdf compression

2020-07-04 Thread Degrange Thomas
Public bug reported:

Hello,

PDF compression cannot appropriately be configured.

Having taken a look at the latest source code of simple-scan:
1) simple-scan compresses each image in GIF or JPG depending on the compressed 
size (it keeps the GIF version if it is smaller than the JPG)
2) the "quality" setting only applies to JPG

With this in mind, it is impossible to use simple-scan to create a PDF
full of lossless GIFs for archiving documents where we want to keep
quality at the expense of the size.

Best regards

** Affects: simple-scan (Ubuntu)
 Importance: Undecided
 Status: New

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You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/1886279

Title:
  simple-scan pdf compression

Status in simple-scan package in Ubuntu:
  New

Bug description:
  Hello,

  PDF compression cannot appropriately be configured.

  Having taken a look at the latest source code of simple-scan:
  1) simple-scan compresses each image in GIF or JPG depending on the 
compressed size (it keeps the GIF version if it is smaller than the JPG)
  2) the "quality" setting only applies to JPG

  With this in mind, it is impossible to use simple-scan to create a PDF
  full of lossless GIFs for archiving documents where we want to keep
  quality at the expense of the size.

  Best regards

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[Desktop-packages] [Bug 1770861] [NEW] Black & white/greyscale/color scanning selection is not obvious

2018-05-12 Thread Degrange Thomas
Public bug reported:

I use Ubuntu 17.10 and simple-scan 3.26.3.

1) The choice for scanning mode is "Text" or "Photo".
2) The preferences dialog allows to specify different values for "Text 
resolution" and "Photo Resolution".
For the non-guru user some kind of weak logical conclusion is that "Text" mode 
is lower resolution because we need less, and "Photo" is higher because 
obviously we want our holiday pictures to be top notch :)

I scanned a document written with different colors using "Text" mode, just to 
discover that everything was black!
After some experimentations and some googling, it appears that I am not the 
only one puzzled by this.
Many people are fighting to find the black & white VS color mode choice.

The truth seems to be: "Text" is black & white (or maybe greyscale I do not 
know), and "Photo" is color.
What about colored text and black & white pictures?

There are two dimensions to take into account:
* black & white/greyscale/color
* low/high resolution

The two words "Text" and "Color" are not correct representatives of
this.

Maybe you could start to give a more precise meaning like:
* Black & white 150dpi (recommended for text)
* Color 300dpi (recommended for pictures)
And let the well informed user choose.

Thank you

** Affects: simple-scan (Ubuntu)
 Importance: Undecided
 Status: New

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https://bugs.launchpad.net/bugs/1770861

Title:
  Black & white/greyscale/color scanning selection is not obvious

Status in simple-scan package in Ubuntu:
  New

Bug description:
  I use Ubuntu 17.10 and simple-scan 3.26.3.

  1) The choice for scanning mode is "Text" or "Photo".
  2) The preferences dialog allows to specify different values for "Text 
resolution" and "Photo Resolution".
  For the non-guru user some kind of weak logical conclusion is that "Text" 
mode is lower resolution because we need less, and "Photo" is higher because 
obviously we want our holiday pictures to be top notch :)

  I scanned a document written with different colors using "Text" mode, just to 
discover that everything was black!
  After some experimentations and some googling, it appears that I am not the 
only one puzzled by this.
  Many people are fighting to find the black & white VS color mode choice.

  The truth seems to be: "Text" is black & white (or maybe greyscale I do not 
know), and "Photo" is color.
  What about colored text and black & white pictures?

  There are two dimensions to take into account:
  * black & white/greyscale/color
  * low/high resolution

  The two words "Text" and "Color" are not correct representatives of
  this.

  Maybe you could start to give a more precise meaning like:
  * Black & white 150dpi (recommended for text)
  * Color 300dpi (recommended for pictures)
  And let the well informed user choose.

  Thank you

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[Desktop-packages] [Bug 1761567] Re: Characters of selected text are vertically flipped

2018-04-16 Thread Degrange Thomas
https://bugzilla.gnome.org/show_bug.cgi?id=760876 seems very similar,
except that the reversed text is just perfectly vertically mirrored, not
also garbled like mine.

** Bug watch added: GNOME Bug Tracker #760876
   https://bugzilla.gnome.org/show_bug.cgi?id=760876

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Title:
  Characters of selected text are vertically flipped

Status in poppler package in Ubuntu:
  New

Bug description:
  In the attached PDF, I expect that selected text remains readable, but
  here selected characters become vertically flipped.

  -

  $ lsb_release -rd
  Description:  Ubuntu 17.10
  Release:  17.10

  -

  $ apt-cache policy evince
  evince:
Installed: 3.26.0-1
Candidate: 3.26.0-1
Version table:
   *** 3.26.0-1 500
  500 http://fr.archive.ubuntu.com/ubuntu artful/main amd64 Packages
  100 /var/lib/dpkg/status

  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: evince 3.26.0-1
  ProcVersionSignature: Ubuntu 4.13.0-38.43-generic 4.13.16
  Uname: Linux 4.13.0-38-generic x86_64
  ApportVersion: 2.20.7-0ubuntu3.7
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Thu Apr  5 20:58:15 2018
  ExecutablePath: /usr/bin/evince
  InstallationDate: Installed on 2018-02-19 (44 days ago)
  InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20180105.1)
  SourcePackage: evince
  UpgradeStatus: No upgrade log present (probably fresh install)

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[Desktop-packages] [Bug 1761567] Re: Characters of selected text are vertically flipped

2018-04-16 Thread Degrange Thomas
Screenshot of the bug

** Attachment added: "Selection_bug.png"
   
https://bugs.launchpad.net/ubuntu/+source/evince/+bug/1761567/+attachment/5117818/+files/Selection_bug.png

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Title:
  Characters of selected text are vertically flipped

Status in evince package in Ubuntu:
  New

Bug description:
  In the attached PDF, I expect that selected text remains readable, but
  here selected characters become vertically flipped.

  -

  $ lsb_release -rd
  Description:  Ubuntu 17.10
  Release:  17.10

  -

  $ apt-cache policy evince
  evince:
Installed: 3.26.0-1
Candidate: 3.26.0-1
Version table:
   *** 3.26.0-1 500
  500 http://fr.archive.ubuntu.com/ubuntu artful/main amd64 Packages
  100 /var/lib/dpkg/status

  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: evince 3.26.0-1
  ProcVersionSignature: Ubuntu 4.13.0-38.43-generic 4.13.16
  Uname: Linux 4.13.0-38-generic x86_64
  ApportVersion: 2.20.7-0ubuntu3.7
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Thu Apr  5 20:58:15 2018
  ExecutablePath: /usr/bin/evince
  InstallationDate: Installed on 2018-02-19 (44 days ago)
  InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20180105.1)
  SourcePackage: evince
  UpgradeStatus: No upgrade log present (probably fresh install)

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[Desktop-packages] [Bug 1761567] [NEW] Characters of selected text are vertically flipped

2018-04-05 Thread Degrange Thomas
Public bug reported:

In the attached PDF, I expect that selected text remains readable, but
here selected characters become vertically flipped.

-

$ lsb_release -rd
Description:Ubuntu 17.10
Release:17.10

-

$ apt-cache policy evince
evince:
  Installed: 3.26.0-1
  Candidate: 3.26.0-1
  Version table:
 *** 3.26.0-1 500
500 http://fr.archive.ubuntu.com/ubuntu artful/main amd64 Packages
100 /var/lib/dpkg/status

ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: evince 3.26.0-1
ProcVersionSignature: Ubuntu 4.13.0-38.43-generic 4.13.16
Uname: Linux 4.13.0-38-generic x86_64
ApportVersion: 2.20.7-0ubuntu3.7
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Thu Apr  5 20:58:15 2018
ExecutablePath: /usr/bin/evince
InstallationDate: Installed on 2018-02-19 (44 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20180105.1)
SourcePackage: evince
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: evince (Ubuntu)
 Importance: Undecided
 Status: New


** Tags: amd64 apport-bug artful

** Attachment added: "Selection_bug.pdf"
   
https://bugs.launchpad.net/bugs/1761567/+attachment/5103111/+files/Selection_bug.pdf

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Title:
  Characters of selected text are vertically flipped

Status in evince package in Ubuntu:
  New

Bug description:
  In the attached PDF, I expect that selected text remains readable, but
  here selected characters become vertically flipped.

  -

  $ lsb_release -rd
  Description:  Ubuntu 17.10
  Release:  17.10

  -

  $ apt-cache policy evince
  evince:
Installed: 3.26.0-1
Candidate: 3.26.0-1
Version table:
   *** 3.26.0-1 500
  500 http://fr.archive.ubuntu.com/ubuntu artful/main amd64 Packages
  100 /var/lib/dpkg/status

  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: evince 3.26.0-1
  ProcVersionSignature: Ubuntu 4.13.0-38.43-generic 4.13.16
  Uname: Linux 4.13.0-38-generic x86_64
  ApportVersion: 2.20.7-0ubuntu3.7
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Thu Apr  5 20:58:15 2018
  ExecutablePath: /usr/bin/evince
  InstallationDate: Installed on 2018-02-19 (44 days ago)
  InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20180105.1)
  SourcePackage: evince
  UpgradeStatus: No upgrade log present (probably fresh install)

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