Consolidate dictionary items: remove "Lookup Word History" and
"Delete Dictionary Cache" from the menu. Long-press on "Lookup Word"
opens history; delete-dict-cache is now a sentinel entry at the bottom
of the history list.
Replace "Reading Orientation" with "Toggle Portrait/Landscape" that
toggles between two configurable preferred orientations (new settings:
Preferred Portrait, Preferred Landscape). Long-press opens a manual
4-option orientation sub-menu.
Add "Toggle Font Size" menu item that cycles through font sizes and
applies on menu exit (with section re-layout).
Rename "Letterbox Fill" to "Override Letterbox Fill" and
"Sync Progress" to "Sync Reading Progress" in reader menu.
All long-press flows use ignoreNextConfirmRelease to prevent the
button release from triggering actions on the subsequent screen.
Co-authored-by: Cursor <cursoragent@cursor.com>
## Summary
This PR includes vocabulary and grammar fixes for Russian translation,
originally made as review comments
[here](https://github.com/crosspoint-reader/crosspoint-reader/pull/728).
---
### AI Usage
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please be transparent about their usage as it
helps set the right context for reviewers.
Did you use AI tools to help write this code? _**NO**_
## Summary
**What is the goal of this PR?**
Skip constructing a `std::string` just to get the underlying `c_str()`
buffer, when a string literal gives the same end result.
---
### AI Usage
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please be transparent about their usage as it
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Migrate 5 mod Activity subclasses from old polling-based
display task pattern to the upstream render() super-class
pattern with freeRTOS notification:
- EpubReaderBookmarkSelectionActivity
- DictionaryWordSelectActivity
- DictionarySuggestionsActivity
- DictionaryDefinitionActivity
- LookedUpWordsActivity
Changes: remove own TaskHandle/SemaphoreHandle/updateRequired,
use requestUpdate() + render(RenderLock&&) override, fix
potential deadlocks around enterNewActivity() calls.
Also fix stale conflict marker in EpubReaderMenuActivity.h.
Co-authored-by: Cursor <cursoragent@cursor.com>
Issues solved: #729 and #739
## Summary
* **What is the goal of this PR?**
Currently, the battery icon and charge percentage were aligned to the
left even for the UI, where they were positioned on the right side of
the screen. This meant that when changing values of different numbers of
digits, the battery would shift, creating a block of icons and text that
was illegible.
* **What changes are included?**
- Add drawBatteryUi() method for right-aligned battery display in UI
headers
- Keep drawBattery() for left-aligned display in reader mode
- Extract drawBatteryIcon() helper to reduce code duplication
- Battery icon now stays fixed at right edge regardless of percentage
digits
- Text adjusts to left of icon in UI mode, to right of icon in reader
mode
## Additional Context
* Add any other information that might be helpful for the reviewer
* This fix applies to both themes (Base and Lyra).
---
### AI Usage
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please be transparent about their usage as it
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Did you use AI tools to help write this code? _**< YES >**_
## Summary
* **What is the goal of this PR?** (e.g., Implements the new feature for
file uploading.)
Add a translators document for us to track which individuals have
volunteered to contribute in which languages.
* **What changes are included?**
Add a new document that includes who the translators are and what
languages they have volunteered for.
## Additional Context
This is primarily to keep a handle on the volunteers coming into the
repo. This will serve as a master list of all volunteer translators.
---
### AI Usage
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please be transparent about their usage as it
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Did you use AI tools to help write this code? **NO**
---------
Signed-off-by: Andrew Brandt <brandt.andrew89@gmail.com>
## Summary
* **What is the goal of this PR?** (e.g., Implements the new feature for
file uploading.)
Updating webserver.md documentation to align with 1.0.0 features
* **What changes are included?**
Added documentation for the following new features (including replacing
screenshots)
- file renaming
- file moving
- support for uploading any file type
- batch uploads
## Additional Context
* Add any other information that might be helpful for the reviewer
(e.g., performance implications, potential risks,
specific areas to focus on).
Nothing comes to mind
---
### AI Usage
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## Summary
* **What is the goal of this PR?** (e.g., Implements the new feature for
file uploading.)
Empty Button Icons (I.E. Back button in the home menu) were still
rendering the full sized white rectangles going passed the boarders of
the little button nub. This was not visible on the home screen due to
the white background, but it does cause issues if we ever want to have
bmp files displayed while buttons are visible or implement a dark mode.
* **What changes are included?**
Made it so that when a button hint text is empty string or null the
displayed mini button nub does not have a white rectangle extending
passed the bounds of the mini button nub
## Additional Context
* Add any other information that might be helpful for the reviewer
(e.g., performance implications, potential risks,
specific areas to focus on).
Having that extended rectangle was likely never noticed due to the only
space where that feature is used being the main menu where the
background is completely white. I am working on some new features that
would have an image displayed while there are button hints and noticed
this issue while implementing that.
One other note is that this only affects the Lyra Theme
---
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**What is the goal of this PR?**
This PR introduces Internationalization (i18n) support, enabling users
to switch the UI language dynamically.
**What changes are included?**
- Core Logic: Added I18n class (`lib/I18n/I18n.h/cpp`) to manage
language state and string retrieval.
- Data Structures:
- `lib/I18n/I18nStrings.h/cpp`: Static string arrays for each supported
language.
- `lib/I18n/I18nKeys.h`: Enum definitions for type-safe string access.
- `lib/I18n/translations.csv`: single source of truth.
- Documentation: Added `docs/i18n.md` detailing the workflow for
developers and translators.
- New Settings activity:
`src/activities/settings/LanguageSelectActivity.h/cpp`
This implementation (building on concepts from #505) prioritizes
performance and memory efficiency.
The core approach is to store all localized strings for each language in
dedicated arrays and access them via enums. This provides O(1) access
with zero runtime overhead, and avoids the heap allocations, hashing,
and collision handling required by `std::map` or `std::unordered_map`.
The main trade-off is that enums and string arrays must remain perfectly
synchronized—any mismatch would result in incorrect strings being
displayed in the UI.
To eliminate this risk, I added a Python script that automatically
generates `I18nStrings.h/.cpp` and `I18nKeys.h` from a CSV file, which
will serve as the single source of truth for all translations. The full
design and workflow are documented in `docs/i18n.md`.
- [x] Python script `generate_i18n.py` to auto-generate C++ files from
CSV
- [x] Populate translations.csv with initial translations.
Currently available translations: English, Español, Français, Deutsch,
Čeština, Português (Brasil), Русский, Svenska.
Thanks, community!
**Status:** EDIT: ready to be merged.
As a proof of concept, the SPANISH strings currently mirror the English
ones, but are fully uppercased.
---
Did you use AI tools to help write this code? _**< PARTIALLY >**_
I used AI for the black work of replacing strings with I18n references
across the project, and for generating the documentation. EDIT: also
some help with merging changes from master.
---------
Co-authored-by: google-labs-jules[bot] <161369871+google-labs-jules[bot]@users.noreply.github.com>
Co-authored-by: yeyeto2788 <juanernestobiondi@gmail.com>
Follow-up to
https://github.com/crosspoint-reader/crosspoint-reader/pull/774
---
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<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
* **Refactor**
* Modernized internal synchronization mechanisms across multiple
components to improve code reliability and maintainability. All
functionality remains unchanged.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Currently, each activity has to manage their own `displayTaskLoop` which
adds redundant boilerplate code. The loop is a wait loop which is also
not the best practice, as the `updateRequested` boolean is not protected
by a mutex.
In this PR:
- Move `displayTaskLoop` to the super `Activity` class
- Replace `updateRequested` with freeRTOS's [direct to task
notification](https://www.freertos.org/Documentation/02-Kernel/02-Kernel-features/03-Direct-to-task-notifications/01-Task-notifications)
- For `ActivityWithSubactivity`, whenever a sub-activity is present, the
parent's `render()` automatically goes inactive
With this change, activities now only need to expose `render()`
function, and anywhere in the code base can call `requestUpdate()` to
request a new rendering pass.
In theory, this change may also make the battery life a bit better,
since one wait loop is removed. Although the equipment in my home lab
wasn't been able to verify it (the electric current is too noisy and
small). Would appreciate if anyone has any insights on this subject.
Update: I managed to hack [a small piece of
code](https://github.com/ngxson/crosspoint-reader/tree/xsn/measure_cpu_usage)
that allow tracking CPU idle time.
The CPU load does decrease a bit (1.47% down to 1.39%), which make
sense, because the display task is now sleeping most of the time unless
notified. This should translate to a slightly increase in battery life
in the long run.
```
PR:
[40012] [MEM] Free: 185856 bytes, Total: 231004 bytes, Min Free: 123316 bytes
[40012] [IDLE] Idle time: 98.61% (CPU load: 1.39%)
[50017] [MEM] Free: 185856 bytes, Total: 231004 bytes, Min Free: 123316 bytes
[50017] [IDLE] Idle time: 98.61% (CPU load: 1.39%)
[60022] [MEM] Free: 185856 bytes, Total: 231004 bytes, Min Free: 123316 bytes
[60022] [IDLE] Idle time: 98.61% (CPU load: 1.39%)
master:
[20012] [MEM] Free: 195016 bytes, Total: 231532 bytes, Min Free: 132460 bytes
[20012] [IDLE] Idle time: 98.53% (CPU load: 1.47%)
[30017] [MEM] Free: 195016 bytes, Total: 231532 bytes, Min Free: 132460 bytes
[30017] [IDLE] Idle time: 98.53% (CPU load: 1.47%)
[40022] [MEM] Free: 195016 bytes, Total: 231532 bytes, Min Free: 132460 bytes
[40022] [IDLE] Idle time: 98.53% (CPU load: 1.47%)
```
---
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please be transparent about their usage as it
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Did you use AI tools to help write this code? **NO**
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
* **Refactor**
* Streamlined rendering architecture by consolidating update mechanisms
across all activities, improving efficiency and consistency.
* Modernized synchronization patterns for display updates to ensure
reliable, conflict-free rendering.
* **Bug Fixes**
* Enhanced rendering stability through improved locking mechanisms and
explicit update requests.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
---------
Co-authored-by: znelson <znelson@users.noreply.github.com>
## Summary
* I am getting miniz warning during compilation: "Using fopen, ftello,
fseeko, stat() etc. path for file I/O - this path may not support large
files."
* Disable the io module from miniz as it is not used and get rid of the
warning
## Additional Context
* the ZipFile.cpp implementation only uses tinfl_decompressor,
tinfl_init(), and tinfl_decompress() (low-level API) and does all ZIP
file parsing manually using SD card file I/O
* it never uses miniz's high-level file functions like
mz_zip_reader_init_file()
* so we can disable Miniz io-stack be setting MINIZ_NO_STDIO to 1
### AI Usage
While CrossPoint doesn't have restrictions on AI tools in contributing,
please be transparent about their usage as it
helps set the right context for reviewers.
Did you use AI tools to help write this code? partially, let claude
inspect the codebase
## Summary
* If an EPUB has:
```
<dc:creator>J.R.R. Tolkien</dc:creator>
<dc:creator>Christopher Tolkien</dc:creator>
```
the current result for epub.author would provide : "J.R.R.
TolkienChristopher Tolkien" (no separator!)
* The fix will seperate multiple authors: "J.R.R. Tolkien, Christopher
Tolkien"
## Additional Context
* Simple fix in ContentOpfParser - I am not seeing any dependence on the
wrong concatenated result.
---
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## Summary
* Include dictionary as in-scope
## Additional Context
* Discussion in
https://github.com/crosspoint-reader/crosspoint-reader/discussions/878
---
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## Summary
**What is the goal of this PR?** (e.g., Implements the new feature for
file uploading.)
Minor development tooling fix for nonstandard environments (NixOS,
FreeBSD, Guix, etc.)
**What changes are included?**
- environment relative shebang in `clang-format-fix`
- clang-format check in `clang-format-fix`
---
### AI Usage
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* The constant SETTINGS_CONST was hardcoded and needed to be updated
whenever an additional setting was added
* This is no longer necessary as the settings size will be determined
automatically on settings persistence
* New settings need to be added (as previously) in saveToFile - that's
it
---
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please be transparent about their usage as it
helps set the right context for reviewers.
Did you use AI tools to help write this code? YES
---------
Co-authored-by: Xuan Son Nguyen <son@huggingface.co>
This PR applies a micro optimization on `SerializedHyphenationPatterns`,
which allow reading `rootOffset` directly without having to parse then
cache it.
It should not affect storage space since no new bytes are added.
This also gets rid of the linear cache search whenever
`liangBreakIndexes` is called. In theory, the performance should be
improved a bit, although it may be too small to be noticeable in
practice.
master branch:
```
english: 99.1023%
french: 100%
german: 97.7289%
russian: 97.2167%
spanish: 99.0236%
```
This PR:
```
english: 99.1023%
french: 100%
german: 97.7289%
russian: 97.2167%
spanish: 99.0236%
```
---
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Did you use AI tools to help write this code? PARTIALLY - mostly IDE
tab-autocompletions
Remove empty sentinel BMP file from generateThumbBmp() that blocked
placeholder generation for books without covers. Add removeBook() to
RecentBooksStore and clear book from recents on cache delete. Ensure
home screen always generates placeholder when thumbnail generation fails.
Co-authored-by: Cursor <cursoragent@cursor.com>
Cherry-pick merge from pablohc/crosspoint-reader@2d8cbcf, based on
upstream PR #556 by martinbrook with pablohc's refresh optimization.
- Add JPEG decoder (picojpeg) and PNG decoder (PNGdec) with 4-level
grayscale Bayer dithering for e-ink display
- Add pixel caching system (.pxc files) for fast image re-rendering
- Integrate image extraction from EPUB HTML parser (<img> tag support)
- Add ImageBlock/PageImage types with serialization support
- Add image-aware refresh optimization (double FAST_REFRESH technique)
- Add experimental displayWindow() partial refresh support
- Bump section cache version 12->13 to invalidate stale caches
- Resolve TAG_PageImage=3 to avoid conflict with mod's TAG_PageTableRow=2
Co-authored-by: Cursor <cursoragent@cursor.com>
Prevent the device from dropping to 10MHz CPU during first-time chapter
indexing, cover prerendering, and other CPU-intensive reader operations.
Three issues addressed:
- ActivityWithSubactivity now delegates preventAutoSleep() and
skipLoopDelay() to the active subactivity, so EpubReaderActivity's
signal is visible through the ReaderActivity wrapper
- Added post-loop() re-check of preventAutoSleep() in main.cpp to
catch activity transitions that happen mid-loop
- EpubReaderActivity uses both !section and a loadingSection flag to
cover the full duration from activity entry through section file
creation; TxtReaderActivity uses !initialized similarly
Also syncs HalPowerManager.cpp log messages with upstream PR #852.
Co-authored-by: Cursor <cursoragent@cursor.com>
Replace the "[Table omitted]" placeholder with full table rendering:
- Two-pass layout: buffer table content during SAX parsing, then
calculate column widths and lay out cells after </table> closes
- Colspan support for cells spanning multiple columns
- Forced line breaks within cells (<br>, <p>, <div> etc.)
- Center-align full-width spanning rows (section headers/titles)
- Width hints from HTML attributes and CSS (col, td, th width)
- Two-pass fair-share column width distribution that prevents
narrow columns from being excessively squeezed
- Double-encoded entity handling
- PageTableRow with grid-line rendering and serialization support
- Asymmetric vertical cell padding to balance font leading
Co-authored-by: Cursor <cursoragent@cursor.com>
## Summary
Closes#766. Thank you for the help @bramschulting!
**What is the goal of this PR?**
- First and foremost, fix issue #766.
- Through working on that, I realized the current CSS parsing/loading
code can be improved dramatically for large files and still had
additional performance improvements to be made, even with EPUBs with
small CSS.
**What changes are included?**
- Stream CSS parsing and reuse normalization buffers to cut allocations
- Add rule limits and selector validation to release rules and free up
memory when needed
- Skip CSS parsing/loading entirely when "Book's Embedded Style" is off
## Additional Context
- My test EPUB has been updated
[here](https://github.com/jdk2pq/css-test-epub) to include a very large
CSS file to test this out
---
### AI Usage
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please be transparent about their usage as it
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Add OMIT_BOOKERLY, OMIT_NOTOSANS, OMIT_OPENDYSLEXIC flags to
selectively exclude font families, and OMIT_HYPH_DE/EN/ES/FR/IT/RU
flags to exclude individual hyphenation language tries.
The mod build environment excludes OpenDyslexic (~1.03 MB) and all
hyphenation tries (~282 KB), reducing flash usage by ~1.3 MB.
Font Family setting switched from Enum to DynamicEnum with
index-to-value mapping to handle arbitrary font exclusion without
breaking the settings UI or persisted values.
Co-authored-by: Cursor <cursoragent@cursor.com>
Generate styled placeholder covers (title, author, book icon) when a
book has no embedded cover image, instead of showing a blank rectangle.
- Add PlaceholderCoverGenerator lib with 1-bit BMP rendering, scaled
fonts, word-wrap, and a book icon bitmap
- Integrate as fallback in Epub/Xtc/Txt reader activities and
SleepActivity after format-specific cover generation fails
- Add fallback in HomeActivity::loadRecentCovers() so the home screen
also shows placeholder thumbnails when cache is cleared
- Add Txt::getThumbBmpPath() for TXT thumbnail support
- Add helper scripts for icon and layout preview generation
Co-authored-by: Cursor <cursoragent@cursor.com>
## Summary
Pre-compress the HTML file to save flash space. I'm using `gzip` because
it's supported everywhere (indeed, we are using the same optimization on
[llama.cpp server](https://github.com/ggml-org/llama.cpp), our HTML page
is huge 😅 ).
This free up ~40KB flash space.
Some users suggested using `brotli` which is known to further reduce 20%
in size, but it doesn't supported by firefox (only supports if served
via HTTPS), and some reverse proxy like nginx doesn't support it out of
the box (unrelated in this context, but just mention for completeness)
```
PR:
RAM: [=== ] 31.0% (used 101700 bytes from 327680 bytes)
Flash: [==========] 95.5% (used 6259244 bytes from 6553600 bytes)
master:
RAM: [=== ] 31.0% (used 101700 bytes from 327680 bytes)
Flash: [==========] 96.2% (used 6302416 bytes from 6553600 bytes)
```
---
### AI Usage
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Did you use AI tools to help write this code? **PARTIALLY**, only the
python part
## Summary
Flashing requires the device to be unlocked/awake
## Additional Context
* Add any other information that might be helpful for the reviewer
(e.g., performance implications, potential risks,
specific areas to focus on).
---
### AI Usage
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please be transparent about their usage as it
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Did you use AI tools to help write this code? _**< YES | PARTIALLY | NO
>**_
Introduce BookSettings utility for per-book settings stored in
the book's cache directory (book_settings.bin). Add "Letterbox Fill"
option to the EPUB reader menu that cycles Default/Dithered/Solid/None.
At sleep time, the per-book override is loaded and takes precedence
over the global setting for all book types (EPUB, XTC, TXT).
Co-authored-by: Cursor <cursoragent@cursor.com>
Pixel-level Bayer dithering in the 171-254 gray range creates a
high-frequency checkerboard in the BW pass that causes e-ink display
crosstalk during HALF_REFRESH, washing out cover images. Replace with
2x2 hash-based block dithering for this specific gray range — each
block gets a uniform level (2 or 3) via a spatial hash, avoiding
single-pixel alternation while approximating the target gray. Standard
Bayer dithering remains for all other gray ranges.
Also removes all debug instrumentation from the investigation.
Co-authored-by: Cursor <cursoragent@cursor.com>
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>
## Summary
Closes#743.
**What is the goal of this PR?**
- Add back handling for HTML entities in expat. This was originally part
of the code that got removed
[here](https://github.com/crosspoint-reader/crosspoint-reader/pull/274)
- Handle ` ` characters to resolve issue #743
**What changes are included?**
- Brought back HTML entity table from previous commit and refactored it
to use a static const char * table with linear lookup to reduce heap
allocations.
- Used `XML_SetDefaultHandlerExpand` in expat to parse out the entities
correctly, without needing them defined in DOCTYPE
- Added handling for ` ` so that the text stays together and
doesn't break onto a new line with text separated by an ` `
## Additional Context
- This supersedes [this
PR](https://github.com/crosspoint-reader/crosspoint-reader/pull/751)
that simply handled `nbsp;` as whitespace. Instead, we want that
character to serve its true purpose and affect the line-breaking
algorithm.
- Updated my test EPUB [here](https://github.com/jdk2pq/css-test-epub)
with ` ` characters examples at the end of the book
---
### AI Usage
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please be transparent about their usage as it
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Did you use AI tools to help write this code? _**YES**_, Claude Code
## Summary
* Definition and use of a central LOG function, that can later be
extended or completely be removed (for public use where debugging
information may not be required) to save flash by suppressing the
-DENABLE_SERIAL_LOG like in the slim branch
* **What changes are included?**
## Additional Context
* By using the central logger the usual:
```
#include <HardwareSerial.h>
...
Serial.printf("[%lu] [WCS] Obfuscating/deobfuscating %zu bytes\n", millis(), data.size());
```
would then become
```
#include <Logging.h>
...
LOG_DBG("WCS", "Obfuscating/deobfuscating %zu bytes", data.size());
```
You do have ``LOG_DBG`` for debug messages, ``LOG_ERR`` for error
messages and ``LOG_INF`` for informational messages. Depending on the
verbosity level defined (see below) soe of these message types will be
suppressed/not-compiled.
* The normal compilation (default) will create a firmware.elf file of
42.194.356 bytes, the same code via slim will create 42.024.048 bytes -
170.308 bytes less
* Firmware.bin : 6.469.984 bytes for default, 6.418.672 bytes for slim -
51.312 bytes less
### AI Usage
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please be transparent about their usage as it
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---------
Co-authored-by: Xuan Son Nguyen <son@huggingface.co>
Add `env:mod` PlatformIO environment that sets CROSSPOINT_VERSION to
"{version}-mod+{git_hash}" via a pre-build script. Usage: `pio run -e mod -t upload`
Co-authored-by: Cursor <cursoragent@cursor.com>
Replace bookmark stubs with full add/remove/navigate implementation:
- BookmarkStore: per-book binary persistence on SD card with v2 format
supporting text snippets (backward-compatible with v1)
- Visual bookmark ribbon indicator drawn on bookmarked pages via fillPolygon
- Reader menu dynamically shows Add/Remove Bookmark based on current page state
- Bookmark selection activity with chapter name, first sentence snippet, and
page number display; long-press to delete with confirmation
- Go to Bookmark falls back to Table of Contents when no bookmarks exist
- Smart snippet extraction: skips partial sentences (lowercase first word)
to capture the first full sentence on the page
- Label truncation reserves space for page suffix so it's never cut off
- Half refresh forced on menu exit to clear popup/menu artifacts
Co-authored-by: Cursor <cursoragent@cursor.com>
Implements StarDict-based dictionary lookup from the reader menu,
adapted from upstream PR #857 with /.dictionary/ folder path,
std::vector compatibility (PR #802), HTML definition rendering,
orientation-aware button hints, side button hints with CCW text
rotation, sparse index caching to SD card, pronunciation line
filtering, and reorganized reader menu with bookmark stubs.
Co-authored-by: Cursor <cursoragent@cursor.com>
## Summary
* Add a small loop in main to be able to receive external commands,
currently being sent via the debugging_monitor
* Implemented command: cmd:SCREENSHOT sends the currently displayed
screen to the monitor, which will then store it to screenshot.bmp
## Additional Context
I was getting annoyed with taking tilted/unsharp photos of the device
screen, so I added the ability to press Enter during the monitor
execution and type SCREENSHOT to send a command. Could be extended in
the future
[screenshot.bmp](https://github.com/user-attachments/files/25213230/screenshot.bmp)
---
### AI Usage
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please be transparent about their usage as it
helps set the right context for reviewers.
Did you use AI tools to help write this code? No
Moves cover/thumbnail generation from lazy (Home screen, Sleep screen) into
each reader activity's onEnter(). On first open, generates all needed BMPs
(cover, cover_crop, thumbnails for all theme heights) with a "Preparing
book..." progress popup. Subsequent opens skip instantly when files exist.
Co-authored-by: Cursor <cursoragent@cursor.com>
Resolve single conflict in SleepActivity.cpp: adopt upstream millis()
timestamp log format while preserving mod's edgeCachePath argument to
renderBitmapSleepScreen().
Upstream changes (14 commits): unified navigation handling, Italian
hyphenation, natural file sort, auto WiFi reconnect, power saving on
idle, OPDS fixes, uniform debug logging, and more.
Co-authored-by: Cursor <cursoragent@cursor.com>
