added custom wuidget code (WIP)

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/qhybrid/encoder/RLEEncoder.java

@@ -1,8 +1,8 @@
-package nodomain.freeyourgadget.gadgetbridge.service.devices.qhybrid.requests.fossil_hr.image;
+package nodomain.freeyourgadget.gadgetbridge.service.devices.qhybrid.encoder;
 
 import java.io.ByteArrayOutputStream;
 
-public class ImageRLEEncoder {
+public class RLEEncoder {
     public static byte[] RLEEncode(byte[] data) {
         ByteArrayOutputStream bos = new ByteArrayOutputStream(data.length * 2);
 
@@ -14,8 +14,8 @@ public class ImageRLEEncoder {
             currentByte = data[i];
 
             if (currentByte != lastByte || count >= 255) {
-                bos.write(data[i - 1]);
                 bos.write(count);
+                bos.write(data[i - 1]);
 
                 count = 1;
                 lastByte = data[i];
@@ -24,8 +24,8 @@ public class ImageRLEEncoder {
             }
         }
 
-        bos.write(currentByte);
         bos.write(count);
+        bos.write(currentByte);
 
         byte[] result = bos.toByteArray();
 

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/qhybrid/requests/fossil_hr/image/AssetImageFactory.java

@@ -1,13 +1,49 @@
 package nodomain.freeyourgadget.gadgetbridge.service.devices.qhybrid.requests.fossil_hr.image;
 
 import android.graphics.Bitmap;
+import android.graphics.Color;
+import android.graphics.ColorSpace;
+
+import androidx.annotation.ColorInt;
+
+import java.io.IOException;
 
 public class AssetImageFactory {
     public static AssetImage createAssetImage(String fileName, byte[] fileData, int angle, int distance, int indexZ){
         return new AssetImage(fileName, fileData, angle, distance, indexZ);
     }
 
-    public static AssetImage createAssetImage(String fileName, Bitmap fileData, boolean RLEencode, int angle, int distance, int indexZ){
+    public static AssetImage createAssetImage(String fileName, Bitmap fileData, boolean RLEencode, int angle, int distance, int indexZ) throws IOException {
+        int height = fileData.getHeight();
+        int width = fileData.getWidth();
+
+        // if(fileData.getConfig() != Bitmap.Config.ALPHA_8) throw new RuntimeException("Bitmap is not ALPHA_8");
+
+        int[] pixels = new int[height * width];
+
+        fileData.getPixels(pixels, 0, width, 0, 0, width, height);
+
+        byte[] pixelBytes = new byte[width * height];
+
+        for(int i = 0; i < pixels.length; i++){
+            int monochrome = convertToMonochrome(pixels[i]);
+            monochrome >>= 6;
+
+            pixelBytes[i] = (byte) monochrome;
+        }
+
+        if(RLEencode){
+            return new AssetImage(fileName, ImageConverter.encodeToRLEImage(pixelBytes, height, width), angle, distance, indexZ);
+        }
+
         return null;
     }
+
+    private static @ColorInt int convertToMonochrome(@ColorInt int color){
+        int sum = Color.red(color) + Color.green(color) + Color.blue(color);
+
+        sum /= 3;
+
+        return sum;
+    }
 }

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/qhybrid/requests/fossil_hr/image/ImageConverter.java

@@ -0,0 +1,26 @@
+package nodomain.freeyourgadget.gadgetbridge.service.devices.qhybrid.requests.fossil_hr.image;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+
+import nodomain.freeyourgadget.gadgetbridge.service.devices.qhybrid.encoder.RLEEncoder;
+
+public class ImageConverter {
+    public static void encodeToTwoBitImage(byte monochromeImage){
+
+    }
+
+    public static byte[] encodeToRLEImage(byte[] monochromeImage, int height, int width) throws IOException {
+        ByteArrayOutputStream bos = new ByteArrayOutputStream(monochromeImage.length * 2);
+
+        bos.write((byte) height);
+        bos.write((byte) width);
+
+        bos.write(RLEEncoder.RLEEncode(monochromeImage));
+
+        bos.write((byte) 0x0FF);
+        bos.write((byte) 0x0FF);
+
+        return bos.toByteArray();
+    }
+}

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/qhybrid/requests/fossil_hr/image/ImagesSetRequest.java

@@ -7,8 +7,8 @@ import org.json.JSONObject;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.qhybrid.adapter.fossil.FossilWatchAdapter;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.qhybrid.requests.fossil_hr.json.JsonPutRequest;
 
-public class ImagesPutRequest extends JsonPutRequest {
-    public ImagesPutRequest(AssetImage[] images, FossilWatchAdapter adapter) {
+public class ImagesSetRequest extends JsonPutRequest {
+    public ImagesSetRequest(AssetImage[] images, FossilWatchAdapter adapter) {
         super((short) 0x0503, prepareObject(images), adapter);
     }