The FreeType Project - Bugs: bug #53749, RBGA Order options for modern...
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bug #53749: RBGA Order options for modern panels (Pentile, RGBG, OLED)
Submitter: | Sander <redsandro> | ||
Submitted: | Wed 25 Apr 2018 11:39:34 AM UTC | ||
Severity: | 3 - Normal | Item Group: | Wishlist |
Status: | Fixed | Privacy: | Public |
Assigned to: | podtelez | Open/Closed: | Closed |
Planned Release: | 2.10.0 |
Jump to the original submission
Thu 03 May 2018 04:57:03 PM UTC, comment #12: |
Sander <redsandro> |
Thu 03 May 2018 03:59:36 PM UTC, comment #11: Sander,
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Alexei Podtelezhnikov <podtelez> |
Wed 02 May 2018 09:31:38 PM UTC, comment #10: -update- actually it could be (an improved version of) S-Stripe. But it would still make sense to describe the pattern if it would be an option. |
Sander <redsandro> |
Wed 02 May 2018 09:14:35 PM UTC, comment #9: Alexei,
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Sander <redsandro> |
Wed 02 May 2018 03:04:28 AM UTC, comment #8: I have set up a testing framework for you. You will need to get the Harmony branches for both freetype and freetype-demos in side-by-side folders. Compile freetype and, then, freetype-demos. Then use the following command from freetype-demos folder:
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Alexei Podtelezhnikov <podtelez> |
Mon 30 Apr 2018 10:59:05 AM UTC, comment #7: Alexei, I'm not very techical in this regard. If I can try this out without breaking my (Ubuntu 16.04) system by means of either a stand alone app, an AppImage, or a snap, I'd sure be up for that.
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Sander <redsandro> |
Mon 30 Apr 2018 04:14:46 AM UTC, comment #6: Please checkout Harmony branch. The top commits describe how you would specify and achieve subpixel rendering for arbitrary subpixel arrangement.
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Alexei Podtelezhnikov <podtelez> |
Thu 26 Apr 2018 11:58:22 PM UTC, comment #5:
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Sander <redsandro> |
Thu 26 Apr 2018 09:14:32 PM UTC, comment #4: The last time I looked into this it turned out to be more involved that it seems at first. In particular, it isn't generally possible to send a buffer in the screen format to the screen itself. Usually with these sorts of setups the gpu or screen hardware only allows writing into (or reading from) an RGB buffer and then the hardware maps this to the physical screen, so there's no means to really get at the spatial resolution. Often this translation from RGB to screen is done by a physical chip hooked up to the screen, so there's no means even at a low level for software to "directly" address the physical layout of the screen with any accuracy. If there is such a means, I'd be interested to hear it. |
bungeman <bungeman> |
Thu 26 Apr 2018 07:35:29 AM UTC, comment #3: I don't have Windows on this laptop. Let me find out if a BPE for Windows 10 exists. There are VM images of Windows 10.
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Sander <redsandro> |
Thu 26 Apr 2018 07:10:29 AM UTC, comment #2: It would be interesting to know how subpixel positioning works on Windows for this screen.
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Werner LEMBERG <wl> |
Wed 25 Apr 2018 07:59:38 PM UTC, comment #1: Reposting from fdo...
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Alexei Podtelezhnikov <podtelez> |
Wed 25 Apr 2018 11:39:34 AM UTC, original submission:
There are no RBGA Order options for moden panels (Pentile, RGBG, OLED etc) in Font Settings.
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Sander <redsandro> |
Depends on the following items: None found
Items that depend on this one: None found
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Follow 10 latest changes.
Date | Changed by | Updated Field | Previous Value | => | Replaced by |
---|---|---|---|---|---|
2019-04-18 | podtelez | Status | Ready For Test | Fixed | |
Open/Closed | Open | Closed | |||
Planned Release | None | 2.10.0 | |||
2018-06-03 | fitojb | Carbon-Copy | - | Added fitojb | |
2018-05-13 | wl | Summary | RBGA Order options for moden panels (Pentile, RGBG, OLED) | RBGA Order options for modern panels (Pentile, RGBG, OLED) | |
2018-05-03 | podtelez | Carbon-Copy | - | Added -email is unavailable- | |
2018-05-03 | wl | Status | None | Ready For Test | |
Assigned to | None | podtelez | |||
2018-04-25 | redsandro | Attached File | - | Added oled_pattern.png, #44026 | |
Attached File | - | Added oled_settings.png, #44027 |
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Corresponding source code
Alexei,
Initially I thought that this is how ClearType works, too, except only in one dimension in stead of two: https://i.imgur.com/4QzJ4OT.png
I'm guessing it's more complex than I realize.