Add a BGR to RGBA twiddling JNI function

Change-Id: Iafa2c1805eea2f521479dc97d5668d82b1c91bef

1 files changed, 8 insertions, 0 deletions

diff --git a/android/Bootstrap/src/org/libreoffice/android/Bootstrap.java b/android/Bootstrap/src/org/libreoffice/android/Bootstrap.java
index 25fded86dfc4..47366a22f46d 100644
--- a/android/Bootstrap/src/org/libreoffice/android/Bootstrap.java
+++ b/android/Bootstrap/src/org/libreoffice/android/Bootstrap.java
@@ -39,6 +39,7 @@ import fi.iki.tml.CommandLine;
 
 import java.io.File;
 import java.io.InputStream;
+import java.nio.ByteBuffer;
 import java.util.Arrays;
 import java.util.Scanner;
 
@@ -108,6 +109,13 @@ public class Bootstrap extends NativeActivity
     // the Android logging mechanism, or stops the redirection.
     public static native boolean redirect_stdio(boolean state);
 
+    // The DIB returned by css.awt.XBitmap.getDIB is in BGR_888 form, at least
+    // for Writer documents. We need it in Android's Bitmap.Config.ARGB_888
+    // format, which actually is RGBA_888, whee... At least in Android 4.0.3,
+    // at least on my device. No idea if it is always like that or not, the
+    // documentation sucks.
+    public static native void twiddle_BGR_to_RGBA(byte[] source, int offset, int width, int height, ByteBuffer destination);
+
     // This setup() method is called 1) in apps that use *this* class as their activity from onCreate(),
     // and 2) should be called from other kinds of LO code using apps.
     public static void setup(Activity activity)