Fixed some failing java tests

- fixed lena.png extension
- fixed getTextSize wrapper
- added junit html report generation

modules/java/generator/gen_java.py

@@ -448,9 +448,9 @@ JNIEXPORT jdoubleArray JNICALL Java_org_opencv_core_Core_n_1minMaxLocManual
             'cpp_code' :
     """
     // C++: Size getTextSize(const String& text, int fontFace, double fontScale, int thickness, int* baseLine);
-    JNIEXPORT jdoubleArray JNICALL Java_org_opencv_core_Core_n_1getTextSize (JNIEnv*, jclass, jstring, jint, jdouble, jint, jintArray);
+    JNIEXPORT jdoubleArray JNICALL Java_org_opencv_imgproc_Imgproc_n_1getTextSize (JNIEnv*, jclass, jstring, jint, jdouble, jint, jintArray);
 
-    JNIEXPORT jdoubleArray JNICALL Java_org_opencv_core_Core_n_1getTextSize
+    JNIEXPORT jdoubleArray JNICALL Java_org_opencv_imgproc_Imgproc_n_1getTextSize
     (JNIEnv* env, jclass, jstring text, jint fontFace, jdouble fontScale, jint thickness, jintArray baseLine)
     {
     try {
@@ -487,13 +487,13 @@ JNIEXPORT jdoubleArray JNICALL Java_org_opencv_core_Core_n_1minMaxLocManual
         return result;
 
     } catch(const cv::Exception& e) {
-        LOGD("Core::n_1getTextSize() catched cv::Exception: %s", e.what());
+        LOGD("Imgproc::n_1getTextSize() catched cv::Exception: %s", e.what());
         jclass je = env->FindClass("org/opencv/core/CvException");
         if(!je) je = env->FindClass("java/lang/Exception");
         env->ThrowNew(je, e.what());
         return NULL;
     } catch (...) {
-        LOGD("Core::n_1getTextSize() catched unknown exception (...)");
+        LOGD("Imgproc::n_1getTextSize() catched unknown exception (...)");
         jclass je = env->FindClass("java/lang/Exception");
         env->ThrowNew(je, "Unknown exception in JNI code {core::getTextSize()}");
         return NULL;

modules/java/test/build.xml

 <project>
   <property file="ant-${opencv.build.type}.properties"/>
+  <property name="test.dir" value="testResults"/>
+  <property name="build.dir" value="build"/>
 
   <path id="master-classpath">
     <fileset dir="lib">
@@ -12,7 +14,7 @@
 
   <target name="clean">
     <delete dir="build"/>
-    <delete dir="testResults"/>
+    <delete dir="${test.dir}"/>
   </target>
 
   <target name="compile">
@@ -34,7 +36,7 @@
   </target>
 
   <target name="test">
-    <mkdir dir="testResults"/>
+    <mkdir dir="${test.dir}"/>
     <junit printsummary="true" haltonfailure="false" haltonerror="false" showoutput="false" logfailedtests="true" maxmemory="256m">
       <sysproperty key="java.library.path" path="${opencv.lib.path}"/>
       <env key="PATH" path="${opencv.lib.path}"/>
@@ -45,12 +47,18 @@
 
       <formatter type="xml"/>
 
-      <batchtest fork="yes" todir="testResults">
+      <batchtest fork="yes" todir="${test.dir}">
         <zipfileset src="build/jar/opencv-test.jar" includes="**/*.class" excludes="**/OpenCVTest*">
           <exclude name="**/*$*.class"/>
         </zipfileset>
       </batchtest>
     </junit>
+    <junitreport todir="${test.dir}">
+      <fileset dir="${test.dir}">
+        <include name="TEST-*.xml"/>
+      </fileset>
+      <report format="noframes" todir="${test.dir}"/>
+    </junitreport>
   </target>
 
   <target name="build">

modules/java/test/src/org/opencv/test/OpenCVTestCase.java

@@ -116,7 +116,7 @@ public class OpenCVTestCase extends TestCase {
             return;
         }
 
-        OpenCVTestRunner.LENA_PATH = pwd + "res/drawable/lena.jpg";
+        OpenCVTestRunner.LENA_PATH = pwd + "res/drawable/lena.png";
         OpenCVTestRunner.CHESS_PATH = pwd + "res/drawable/chessboard.jpg";
         OpenCVTestRunner.LBPCASCADE_FRONTALFACE_PATH = pwd + "res/raw/lbpcascade_frontalface.xml";