Commit Graph

18 Commits

Author SHA1 Message Date
Phil Howard fddac54f86 JPEGDEC: Add option to disable dither on RGB332. 2022-08-11 11:46:45 +01:00
jon 50c7bd69ee Added missing switch case for new RGB888 pen type 2022-07-26 05:34:23 +01:00
Phil Howard 6c1556a429 PicoGraphics: 1bit/1bitY dither all drawing operations.
Note: Pen now ranges from 0 (black) to 15 (white). Values between will be dithered ala Badger 2040.
2022-07-06 11:32:56 +01:00
Phil Howard 12866a0b7b PicoGraphics/JPEGDEC: Use PicoGraphics dither. 2022-07-06 10:56:56 +01:00
Phil Howard cb5f8308a0 PicoGraphics/UC8159: 3bit bitplane pen mode.
Add a 3bit pen mode to save 1/4th the RAM needed for the 600x448 Inky Frame.
2022-06-30 15:25:02 +01:00
Phil Howard 7dbec2add6 JPEGDEC: Stream from filesystem.
Avoid loading jpeg files into RAM and stream from the filesystem to handle larger files gracefully.
2022-06-24 11:03:29 +01:00
Phil Howard e3f98d56cf PicoGraphics: UC8151 Support for Inky Pack. 2022-06-23 15:48:45 +01:00
jon 360bf4310c SH1107: Add driver and example.
Add 1bit pen mode to PicoGraphics.

TODO:

* Rotation support
* Sizes other than 128x128 support
2022-06-15 16:57:40 +01:00
Phil Howard 31ade6af72 JPEGDEC: Open just before decode to avoid seek overrun. 2022-06-14 15:38:25 +01:00
Phil Howard 27d571b473 PicoGraphics: Tidy up dithering. 2022-06-14 15:06:44 +01:00
Phil Howard 6a3ba0d421 MicroPython: Shim MP_REGISTER_MODULE for >1.18 compat.
MicroPython has changed MP_REGISTER_MODULE to use only *two* args and now runs the preprocessing stage on files before running makemoduledefs.py.

This change avoids the build exploding, since the new regex matches the last two args as a single argument and generates a malformed module defs include.

The pattern here exploits the fact that 1.18 and below do not preprocess files, so *both* MP_REGISTER_MODULE lines are included in the source, but *only* the three arg version is matched by regex.

In >1.18 the files will be processed and the three arg version removed before makemoduledefs.py processes it.
2022-06-14 12:08:47 +01:00
Phil Howard 2419f0ef45 PicoGraphics/JPEGDEC: RGB332 per channel fast dither. 2022-06-13 20:12:03 +01:00
Phil Howard 602d1b41dd PicoGraphics: Attempt at dither and scanline interrupts.
Currently both unused and both very slow.

Dither may only be feasible for <=8 colour displays.

JPEGDEC will dither to 4-bit greyscale quite happily.
2022-06-13 20:12:03 +01:00
Phil Howard 656d69399a JPEGDEC: Fix dither buffer size 2022-06-13 20:12:03 +01:00
Phil Howard d2b065d2da JPEGDEC: Use 4-bit dither. 2022-06-13 20:12:03 +01:00
Phil Howard 8917505175 JPEGDEC: Add open_file. 2022-06-13 20:12:03 +01:00
Phil Howard 7f0fe44881 JPEGDEC: Move to libraries, use C++, draw into PicoGraphics. 2022-06-13 20:12:03 +01:00
Phil Howard 446db105f9 Tufty2040: JPEG Decode 2022-06-13 20:11:09 +01:00