Phil Howard
b74b371d2b
JPEGDEC: Don't pass filename through std::string.
...
The result of GET_STR_DATA_LEN should be null terminated, so converting to a std::string and then using .c_str() is both redundant and need
s heap.
2023-03-16 13:25:19 +00:00
Phil Howard
bea90dfd60
JPEGDEC: Experimental 3bit/4bit palette no-dither.
2023-02-22 15:40:22 +00:00
Phil Howard
4928ceff8d
Inky 7.3: Add pen type to JPEGDEC.
2023-02-20 12:29:59 +00:00
Phil Howard
9bd29e0ef2
JPEGDEC: Fix iWidthUsed skip not advancing pixel pointer.
2023-02-10 22:12:02 +00:00
Phil Howard
13414b5037
JPEGDEC: Clip drawing to iWidthUsed.
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Corrects clipping width using new iWidthUsed value, noticable particularly on smaller jpegs and those that aren't a multiple of the MCU sized.
Fixes #573
2022-12-14 18:42:03 +00:00
Phil Howard
241e725464
JPEGDEC: Sync with upstream.
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Adds setUserPointer and pDraw->pUser which we now use to store a pointer to the PicoGraphics instance.
2022-12-13 14:21:57 +00:00
Phil Howard
e0a1627fba
JPEGDEC/PicoGraphics: Add support for RGB888 target.
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Fixes https://github.com/pimoroni/pimoroni-pico/issues/573
2022-12-13 14:03:30 +00:00
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.
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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.
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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.
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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.
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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
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.
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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