feat(android): backgroundColor property in imageAsResized

README.md

@@ -103,6 +103,7 @@ Creates a new image by creating a copy of the given image that is rescaled to th
         * imagefactory.QUALITY\_MEDIUM
         * imagefactory.QUALITY\_HIGH
     * Android. format [int]: The output format of the image: either ImageFactory.PNG or ImageFactory.JPEG (default: ImageFactory.JPEG)
+    * Android. backgroundColor [int]: Background color of the resized image e.g. when using a transparent PNG that you want to convert to a JPEG.
     * quality[float]: The quality of the resulting JPEG or WebP image, expressed as a value from 0.0 to 1.0. The value 0.0 represents the maximum compression (or lowest quality) while the value 1.0 represents the least compression (or best quality). (default: 0.7)
 
 ### imageAsCropped(blob, options)

android/manifest

@@ -2,7 +2,7 @@
 # this is your module manifest and used by Titanium
 # during compilation, packaging, distribution, etc.
 #
-version: 5.1.0
+version: 5.1.1
 apiversion: 4
 architectures: arm64-v8a armeabi-v7a x86 x86_64
 description: Image Factory

android/src/ti/imagefactory/ImageFactory.java

@@ -9,6 +9,7 @@
 import android.graphics.Bitmap;
 import android.graphics.Bitmap.CompressFormat;
 import android.graphics.Canvas;
+import android.graphics.Color;
 import android.graphics.Matrix;
 import android.graphics.Paint;
 import android.graphics.Path;
@@ -18,6 +19,7 @@
 import java.io.OutputStream;
 import org.appcelerator.kroll.KrollDict;
 import org.appcelerator.kroll.common.Log;
+import org.appcelerator.titanium.TiApplication;
 import org.appcelerator.titanium.TiBlob;
 import org.appcelerator.titanium.util.TiConvert;
 
@@ -33,7 +35,16 @@ public static TiBlob imageRotate(TiBlob blob, KrollDict args)
 		args = updateFormatOption(args, blob.getMimeType(), false);
 		Bitmap oldBitmap = blob.getImage();
 		Bitmap newBitmap = imageRotate(oldBitmap, args, TiExifOrientation.from(blob));
-		return compressToBlob(newBitmap, args, (newBitmap != oldBitmap));
+
+		if (args.containsKeyAndNotNull("backgroundColor")) {
+			Bitmap mutableBitmap = newBitmap.copy(Bitmap.Config.ARGB_8888, true);
+			Canvas canvas = new Canvas(mutableBitmap);
+			canvas.drawColor(TiConvert.toColor(args.get("backgroundColor"), TiApplication.getAppRootOrCurrentActivity()));
+			canvas.drawBitmap(newBitmap, 0F, 0F, null);
+			return compressToBlob(mutableBitmap, args, (newBitmap != oldBitmap));
+		} else {
+			return compressToBlob(newBitmap, args, (newBitmap != oldBitmap));
+		}
 	}
 
 	public static Bitmap imageRotate(Bitmap bitmap, KrollDict args, TiExifOrientation exifOrientation)
@@ -147,7 +158,17 @@ public static TiBlob imageResize(TiBlob blob, KrollDict args)
 		args = updateFormatOption(args, blob.getMimeType(), false);
 		Bitmap oldBitmap = blob.getImage();
 		Bitmap newBitmap = imageResize(oldBitmap, args, TiExifOrientation.from(blob));
-		return compressToBlob(newBitmap, args, (newBitmap != oldBitmap));
+
+		if (args.containsKeyAndNotNull("backgroundColor")) {
+			Bitmap mutableBitmap = newBitmap.copy(Bitmap.Config.ARGB_8888, true);
+			Canvas canvas = new Canvas(mutableBitmap);
+			canvas.drawColor(TiConvert.toColor(args.get("backgroundColor"), TiApplication.getAppRootOrCurrentActivity()));
+			canvas.drawBitmap(newBitmap, 0F, 0F, null);
+			return compressToBlob(mutableBitmap, args, (newBitmap != oldBitmap));
+		} else {
+			return compressToBlob(newBitmap, args, (newBitmap != oldBitmap));
+		}
+
 	}
 
 	public static Bitmap imageResize(Bitmap bitmap, KrollDict args, TiExifOrientation exifOrientation)