WIP: prototype: add static image transferring #1
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Reviewer's Guide by SourceryThis pull request introduces a prototype for static image transfer to an e-paper display. It includes platform-specific code for Windows, Linux, and mobile, as well as core Dart logic for image processing and NFC communication. Sequence diagram for static image transfer processsequenceDiagram
participant User
participant App
participant ImageUtils
participant NFC
participant EPaper
User->>App: Select image
App->>ImageUtils: Process image
ImageUtils->>ImageUtils: Convert to EPD format
Note over ImageUtils: Convert to black/red pixels
ImageUtils->>ImageUtils: Divide into chunks
App->>NFC: Write chunks
loop For each chunk
NFC->>EPaper: Transfer chunk
EPaper-->>NFC: Acknowledge
end
NFC->>EPaper: Refresh display
EPaper-->>User: Display image
Class diagram for image handling componentsclassDiagram
class ImageUtils {
+originalHeight: double
+originalWidth: double
+picture: Picture
+convert2DListToUint8List(List<List<int>>)
+generateByteData(String)
+convertBitmapToByteData(String)
+convertBitmapToByteDataBiColor(String)
+divideUint8List(Uint8List, int)
-_loadSVG(String)
-_scaleSVG(Image, double, double)
-_convertImageToByteArray(Image)
-_convertUint8ListTo2DList(Uint8List, int, int)
-_convertPixelsToEpdBytes(List<List<int>>)
-_convertImageArrayToEpdBytes(Uint8List)
}
class MagicEpd {
+default_req_flags: int
+write_msg_cmd: int
+read_msg_cmd: int
+read_dyncfg_cmd: int
+write_dyncfg_cmd: int
+ic_mfg_code: int
+epd_cmd: int
+epd_send: int
+writeChunk(List<Uint8List>, List<Uint8List>)
-_transceive(int, Uint8List, Uint8List)
-_writeMsg(Uint8List, Uint8List)
-_readMsg(Uint8List)
-_readDynCfg(Uint8List, int)
-_writeDynCfg(Uint8List, int, int)
}
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This is a prototype for testing the firmware so still messy.
Summary by Sourcery
Add initial support for static image transfer to the e-paper display.
New Features:
Tests: