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improved sleep screen performance and cover art

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cottongin
2026-01-24 20:48:13 -05:00
parent ecff988a29
commit 6bedc4ffec
7 changed files with 376 additions and 89 deletions
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18
src/activities/boot_sleep/SleepActivity.h
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@@ -1,9 +1,9 @@
#pragma once
#include "../Activity.h"
#include <string>
#include <Bitmap.h>
class Bitmap;
#include <string>
class SleepActivity final : public Activity {
public:
@@ -19,7 +19,15 @@ class SleepActivity final : public Activity {
void renderBitmapSleepScreen(const Bitmap& bitmap, const std::string& bmpPath) const;
void renderBlankSleepScreen() const;
// Perimeter detection caching helpers
static std::string getPerimeterCachePath(const std::string& bmpPath);
bool getPerimeterIsBlack(const Bitmap& bitmap, const std::string& bmpPath) const;
// Edge luminance caching helpers
static std::string getEdgeCachePath(const std::string& bmpPath);
EdgeLuminance getEdgeLuminance(const Bitmap& bitmap, const std::string& bmpPath) const;
// Book-level edge cache helpers (for skipping book metadata loading)
static std::string getBookEdgeCachePath(const std::string& bookPath);
static std::string getCoverBmpPath(const std::string& cacheDir, const std::string& bookPath, bool cropped);
bool tryRenderCachedCoverSleep(const std::string& bookPath, bool cropped) const;
// Quantize luminance (0-255) to 4-level grayscale (0-3)
static uint8_t quantizeGray(uint8_t lum);
};