Cleanup core module API

* Drop some low level API
* Remove outdated overloads
* Utilize Input/OutputArray

modules/java/android_test/src/org/opencv/test/core/CoreTest.java

@@ -460,7 +460,7 @@ public class CoreTest extends OpenCVTestCase {
         Mat eigenVals = new Mat();
         Mat eigenVecs = new Mat();
 
-        Core.eigen(src, true, eigenVals, eigenVecs);
+        Core.eigen(src, eigenVals, eigenVecs);
 
         Mat expectedEigenVals = new Mat(3, 1, CvType.CV_32FC1) {
             {
@@ -1113,18 +1113,6 @@ public class CoreTest extends OpenCVTestCase {
         assertMatEqual(gray255, dst);
     }
 
-    public void testLUTMatMatMatInt() {
-        Mat lut = new Mat(1, 256, CvType.CV_8UC1);
-        // TODO: ban this overload
-        try
-        {
-            Core.LUT(grayRnd, lut, dst, 1);
-            fail("Last parameter for LUT was not supported");
-        } catch (CvException e) {
-            // expected
-        }
-    }
-
     public void testMagnitude() {
         Mat x = new Mat(1, 4, CvType.CV_32F);
         Mat y = new Mat(1, 4, CvType.CV_32F);

modules/java/generator/gen_java.py

@@ -996,6 +996,11 @@ extern "C" {
             return
         for a in fi.args:
             if a.ctype not in type_dict:
+                if not a.defval and a.ctype.endswith("*"):
+                    a.defval = 0
+                if a.defval:
+                    a.ctype = ''
+                    continue
                 msg = "// Unknown type '%s' (%s), skipping the function\n\n" % (a.ctype, a.out or "I")
                 self.skipped_func_list.append(c_decl + "\n" + msg)
                 j_code.write( " "*4 + msg )