cottongin/crosspoint-reader-mod
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refactor: Revert letterbox fill to Dithered/Solid/None with edge caching

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Simplify letterbox fill modes back to Dithered (default), Solid, and
None. Remove the Extend Edges mode and all per-pixel edge replication
code. Restore Bayer ordered dithering for the Dithered fill mode.

Re-introduce edge average caching so cover edge computations persist
across sleep cycles, stored as a small binary file alongside the cover
BMP.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
cottongin
2026-02-13 11:12:27 -05:00
parent 31878a77bc
commit ea11d2f7d3
5 changed files with 149 additions and 244 deletions
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12
src/CrossPointSettings.h
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@@ -32,13 +32,11 @@ class CrossPointSettings {
SLEEP_SCREEN_COVER_FILTER_COUNT
};
enum SLEEP_SCREEN_LETTERBOX_FILL {
LETTERBOX_NONE = 0,
LETTERBOX_DITHERED = 0,
LETTERBOX_SOLID = 1,
LETTERBOX_BLENDED = 2,
LETTERBOX_GRADIENT = 3,
LETTERBOX_NONE = 2,
SLEEP_SCREEN_LETTERBOX_FILL_COUNT
};
enum SLEEP_SCREEN_GRADIENT_DIR { GRADIENT_TO_WHITE = 0, GRADIENT_TO_BLACK = 1, SLEEP_SCREEN_GRADIENT_DIR_COUNT };
// Status bar display type enum
enum STATUS_BAR_MODE {
@@ -133,10 +131,8 @@ class CrossPointSettings {
uint8_t sleepScreenCoverMode = FIT;
// Sleep screen cover filter
uint8_t sleepScreenCoverFilter = NO_FILTER;
// Sleep screen letterbox fill mode (None / Solid / Blended / Gradient)
uint8_t sleepScreenLetterboxFill = LETTERBOX_GRADIENT;
// Sleep screen gradient direction (towards white or black)
uint8_t sleepScreenGradientDir = GRADIENT_TO_WHITE;
// Sleep screen letterbox fill mode (Dithered / Solid / None)
uint8_t sleepScreenLetterboxFill = LETTERBOX_DITHERED;
// Status bar settings
uint8_t statusBar = FULL;
// Text rendering settings