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Rust Embedded Graphics

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Help and chat for embedded-graphics and the wider embedded Rust graphics ecosystem | https://github.com/embedded-graphics/embedded-graphics | https://crates.io/crates/embedded-graphics27 Servers

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26 Mar 2024
@bugadani:matrix.orgdanielbat that point I'd probably ask to join the group, the async branch still needs to be pushed in somehow :)20:00:22
@vollbrecht:matrix.orgvollbrechtthough there is also the embedded-graphics org ! daniel is a member there ;D 20:00:48
@vollbrecht:matrix.orgvollbrechtmaybe also not a bad fit20:00:56
@bugadani:matrix.orgdanielblook at the activity there 😅20:01:22
@jamwaffles:matrix.orgjamwafflesI need to hand that over too tbh, but I'm just doing the display drivers for now20:02:04
@vollbrecht:matrix.orgvollbrechtyeah, but than you dont have the full think only on yourself, but still access if you want20:02:07
@bugadani:matrix.orgdanielbthere are exactly 3 people in embedded-graphics, let's not put more pressure on them :P20:02:41
@vollbrecht:matrix.orgvollbrechtoh ;D jamwaffles also embedded-graphics didnt see it ;D20:02:42
@therealprof:matrix.orgtherealprofYeah, he's mister e-g. ;)20:03:32
@jamwaffles:matrix.orgjamwafflesIt was my baby for a while! Then it kinda lost control and I went on to do other things20:06:47
@jamwaffles:matrix.orgjamwafflesStill quite proud of its features but it's someone else's turn to take up the mantle 🙂20:07:05
@bugadani:matrix.orgdanielbit happens and we all appreciate all the work you put in to get e-g this far :)20:08:08
@jamwaffles:matrix.orgjamwafflesYeah 🙂 nothing lasts forever!20:11:29
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1 May 2024
@avsaase:matrix.orgAlexander van Saase Does anyone know of a monospace font that has numbers with the decimal point within the number glyph? I need to display decimal numbers like 1.23 and I want it to take 3 spaces, not 4. 13:23:23
@bugadani:matrix.orgdanielbisn't the point of monospace that 4 characters take up 4 * unit width?13:29:57
@bugadani:matrix.orgdanielb * isn't the point of monospace that 4 characters always take up 4 * unit width? 13:31:52
@avsaase:matrix.orgAlexander van SaaseI guess that's a fair point. 13:39:56
@avsaase:matrix.orgAlexander van SaaseI want to use a monospace font so stuff doesn't jump around when the values change but I don't want to waste a full space on a period.13:41:35
@avsaase:matrix.orgAlexander van SaaseI guess adapting an existing font is not too hard. What is the best way to create a custom font?13:46:52
@avsaase:matrix.orgAlexander van SaaseActually I don't really need a real font at all, just some bitmap images. How's the performance of rendering images vs text?13:50:27
2 May 2024
@dominaezzz:matrix.orgDominic FischerAbout the same. Probably less overhead with images, since text is images with extra steps.14:47:27
@avsaase:matrix.orgAlexander van SaaseThanks. I mostly need to display some digits and symbols (which I'm currently drawing using basic shapes). Creating my own "font" of bitmap images is probably the best approach then.15:18:50
@jamesmunns:beeper.comJames Munns

Since the space is small (only need to test 10 digits), it might make sense to pick a font, figure out if there's a safe space to manually draw a decimal point (like maybe just a few pixels or a circle in e-g), and just:

  • render the text to a buffer
  • then draw the circle over the buffer manually
15:24:22

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