Comments (2)
tuupola
commented on May 27, 2024
I have not thought about supporting anything else than multiples of 8 bits yet. This is mostly to keep things simple. Not sure how much 4 bit bitmaps would complicate the code. That said if amount of memory is not a problem then as a workaround even if HAGL internally used 8 bits the HAL could convert the 8 bit colours on the fly to 4 bits before sending them to display.
Which display are you working on btw?
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UncleRus
commented on May 27, 2024
SSD1322 - 128x64 4-bit grayscale OLED controller
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Related Issues (20)
- Esp8266 support? HOT 5
- Which IDE used ? HOT 1
- Decide font format
- cmake doesn't work HOT 5
- Scaling fonts HOT 4
- Full list of supported displays/chips HOT 2
- Add HAL for Raspberry Pi Pico VGABOARD HOT 4
- hagl_put_char / hagl_put_text always drawn on black background HOT 4
- [Low prio] Offscreen drawing in a bitmap HOT 3
- Big stack allocations HOT 3
- Overflow bug in hagl_scale_blit
- Generating new fonts HOT 6
- Found a dot that is not rendered at bottom right of screen. HOT 2
- is it possible to use HAGL with platformio and arduino framework? HOT 2
- null hal / qemu hal HOT 4
- Ability to rotate the display at runtime HOT 1
- Input API? HOT 7
- [Minor] README.md contains 2 "Draw a line" sections
- Include a 8x8 font by default HOT 1
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