import sys, re, os.path from string import Template try: from cStringIO import StringIO except: from StringIO import StringIO class_ignore_list = ( #core "FileNode", "FileStorage", "KDTree", #highgui "VideoWriter", "VideoCapture", ) const_ignore_list = ( "CV_CAP_OPENNI", "CV_CAP_PROP_OPENNI_", "WINDOW_AUTOSIZE", "CV_WND_PROP_", "CV_WINDOW_", "CV_EVENT_", "CV_GUI_", "CV_PUSH_BUTTON", "CV_CHECKBOX", "CV_RADIOBOX", #attention! #the following constants are added to this list using code automatic generation #TODO: should be checked "CV_CAP_ANY", "CV_CAP_MIL", "CV_CAP_VFW", "CV_CAP_V4L", "CV_CAP_V4L2", "CV_CAP_FIREWARE", "CV_CAP_FIREWIRE", "CV_CAP_IEEE1394", "CV_CAP_DC1394", "CV_CAP_CMU1394", "CV_CAP_STEREO", "CV_CAP_TYZX", "CV_TYZX_LEFT", "CV_TYZX_RIGHT", "CV_TYZX_COLOR", "CV_TYZX_Z", "CV_CAP_QT", "CV_CAP_UNICAP", "CV_CAP_DSHOW", "CV_CAP_PVAPI", "CV_CAP_PROP_DC1394_OFF", "CV_CAP_PROP_DC1394_MODE_MANUAL", "CV_CAP_PROP_DC1394_MODE_AUTO", "CV_CAP_PROP_DC1394_MODE_ONE_PUSH_AUTO", "CV_CAP_PROP_POS_MSEC", "CV_CAP_PROP_POS_FRAMES", "CV_CAP_PROP_POS_AVI_RATIO", "CV_CAP_PROP_FPS", "CV_CAP_PROP_FOURCC", "CV_CAP_PROP_FRAME_COUNT", "CV_CAP_PROP_FORMAT", "CV_CAP_PROP_MODE", "CV_CAP_PROP_BRIGHTNESS", "CV_CAP_PROP_CONTRAST", "CV_CAP_PROP_SATURATION", "CV_CAP_PROP_HUE", "CV_CAP_PROP_GAIN", "CV_CAP_PROP_EXPOSURE", "CV_CAP_PROP_CONVERT_RGB", "CV_CAP_PROP_WHITE_BALANCE_BLUE_U", "CV_CAP_PROP_RECTIFICATION", "CV_CAP_PROP_MONOCROME", "CV_CAP_PROP_SHARPNESS", "CV_CAP_PROP_AUTO_EXPOSURE", "CV_CAP_PROP_GAMMA", "CV_CAP_PROP_TEMPERATURE", "CV_CAP_PROP_TRIGGER", "CV_CAP_PROP_TRIGGER_DELAY", "CV_CAP_PROP_WHITE_BALANCE_RED_V", "CV_CAP_PROP_MAX_DC1394", "CV_CAP_GSTREAMER_QUEUE_LENGTH", "CV_CAP_PROP_PVAPI_MULTICASTIP", "CV_CAP_PROP_SUPPORTED_PREVIEW_SIZES_STRING", "EVENT_.*", "CV_L?(BGRA?|RGBA?|GRAY|XYZ|YCrCb|Luv|Lab|HLS|YUV|HSV)\d*2L?(BGRA?|RGBA?|GRAY|XYZ|YCrCb|Luv|Lab|HLS|YUV|HSV).*", "CV_COLORCVT_MAX", "CV_.*Bayer.*", "CV_YUV420(i|sp|p)2.+", "CV_TM_.+", "CV_FLOODFILL_.+", "CV_ADAPTIVE_THRESH_.+", "WINDOW_.+", "WND_PROP_.+", ) const_private_list = ( "CV_MOP_.+", "CV_INTER_.+", "CV_THRESH_.+", "CV_INPAINT_.+", "CV_RETR_.+", "CV_CHAIN_APPROX_.+", "OPPONENTEXTRACTOR", "GRIDDETECTOR", "PYRAMIDDETECTOR", "DYNAMICDETECTOR", ) # { Module : { public : [[name, val],...], private : [[]...] } } missing_consts = \ { 'Core' : { 'private' : ( ('CV_8U', 0 ), ('CV_8S', 1 ), ('CV_16U', 2 ), ('CV_16S', 3 ), ('CV_32S', 4 ), ('CV_32F', 5 ), ('CV_64F', 6 ), ('CV_USRTYPE1', 7 ), ), # private 'public' : ( ('SVD_MODIFY_A', 1), ('SVD_NO_UV', 2), ('SVD_FULL_UV', 4), ('FILLED', -1), ('LINE_AA', 16), ('LINE_8', 8), ('LINE_4', 4), ('REDUCE_SUM', 0), ('REDUCE_AVG', 1), ('REDUCE_MAX', 2), ('REDUCE_MIN', 3), ) #public }, # Core "Imgproc": { 'private' : ( ('IPL_BORDER_CONSTANT', 0 ), ('IPL_BORDER_REPLICATE', 1 ), ('IPL_BORDER_REFLECT', 2 ), ('IPL_BORDER_WRAP', 3 ), ('IPL_BORDER_REFLECT_101', 4 ), ('IPL_BORDER_TRANSPARENT', 5 ), ) # private }, # Imgproc "Calib3d": { 'private' : ( ('CV_LMEDS', 4), ('CV_RANSAC', 8), ('CV_FM_LMEDS', 'CV_LMEDS'), ('CV_FM_RANSAC','CV_RANSAC'), ('CV_FM_7POINT', 1), ('CV_FM_8POINT', 2), ('CV_CALIB_USE_INTRINSIC_GUESS', 1), ('CV_CALIB_FIX_ASPECT_RATIO', 2), ('CV_CALIB_FIX_PRINCIPAL_POINT', 4), ('CV_CALIB_ZERO_TANGENT_DIST', 8), ('CV_CALIB_FIX_FOCAL_LENGTH', 16), ('CV_CALIB_FIX_K1', 32), ('CV_CALIB_FIX_K2', 64), ('CV_CALIB_FIX_K3', 128), ('CV_CALIB_FIX_K4', 2048), ('CV_CALIB_FIX_K5', 4096), ('CV_CALIB_FIX_K6', 8192), ('CV_CALIB_RATIONAL_MODEL', 16384), ('CV_CALIB_FIX_INTRINSIC', 256), ('CV_CALIB_SAME_FOCAL_LENGTH', 512), ('CV_CALIB_ZERO_DISPARITY', 1024), ) # public }, # Calib3d "Video": { 'private' : ( ('CV_LKFLOW_INITIAL_GUESSES', 4 ), ('CV_LKFLOW_GET_MIN_EIGENVALS', 8 ), ) # private }, # Video } # c_type : { java/jni correspondence } type_dict = { # "simple" : { j_type : "?", jn_type : "?", jni_type : "?", suffix : "?" }, "" : { "j_type" : "", "jn_type" : "long", "jni_type" : "jlong" }, # c-tor ret_type "void" : { "j_type" : "void", "jn_type" : "void", "jni_type" : "void" }, "env" : { "j_type" : "", "jn_type" : "", "jni_type" : "JNIEnv*"}, "cls" : { "j_type" : "", "jn_type" : "", "jni_type" : "jclass"}, "bool" : { "j_type" : "boolean", "jn_type" : "boolean", "jni_type" : "jboolean", "suffix" : "Z" }, "int" : { "j_type" : "int", "jn_type" : "int", "jni_type" : "jint", "suffix" : "I" }, "long" : { "j_type" : "int", "jn_type" : "int", "jni_type" : "jint", "suffix" : "I" }, "float" : { "j_type" : "float", "jn_type" : "float", "jni_type" : "jfloat", "suffix" : "F" }, "double" : { "j_type" : "double", "jn_type" : "double", "jni_type" : "jdouble", "suffix" : "D" }, "size_t" : { "j_type" : "long", "jn_type" : "long", "jni_type" : "jlong", "suffix" : "J" }, "__int64" : { "j_type" : "long", "jn_type" : "long", "jni_type" : "jlong", "suffix" : "J" }, "int64" : { "j_type" : "long", "jn_type" : "long", "jni_type" : "jlong", "suffix" : "J" }, "double[]": { "j_type" : "double[]", "jn_type" : "double[]", "jni_type" : "jdoubleArray", "suffix" : "_3D" }, # "complex" : { j_type : "?", jn_args : (("", ""),), jn_name : "", jni_var : "", jni_name : "", "suffix" : "?" }, "vector_Point" : { "j_type" : "MatOfPoint", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector %(n)s", "suffix" : "J" }, "vector_Point2f" : { "j_type" : "MatOfPoint2f", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector %(n)s", "suffix" : "J" }, #"vector_Point2d" : { "j_type" : "MatOfPoint2d", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector %(n)s", "suffix" : "J" }, "vector_Point3i" : { "j_type" : "MatOfPoint3", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector %(n)s", "suffix" : "J" }, "vector_Point3f" : { "j_type" : "MatOfPoint3f", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector %(n)s", "suffix" : "J" }, #"vector_Point3d" : { "j_type" : "MatOfPoint3d", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector %(n)s", "suffix" : "J" }, "vector_KeyPoint" : { "j_type" : "MatOfKeyPoint", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector %(n)s", "suffix" : "J" }, "vector_DMatch" : { "j_type" : "MatOfDMatch", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector %(n)s", "suffix" : "J" }, "vector_Rect" : { "j_type" : "MatOfRect", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector %(n)s", "suffix" : "J" }, "vector_uchar" : { "j_type" : "MatOfByte", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector %(n)s", "suffix" : "J" }, "vector_char" : { "j_type" : "MatOfByte", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector %(n)s", "suffix" : "J" }, "vector_int" : { "j_type" : "MatOfInt", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector %(n)s", "suffix" : "J" }, "vector_float" : { "j_type" : "MatOfFloat", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector %(n)s", "suffix" : "J" }, "vector_double" : { "j_type" : "MatOfDouble", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector %(n)s", "suffix" : "J" }, "vector_Vec4i" : { "j_type" : "MatOfInt4", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector %(n)s", "suffix" : "J" }, "vector_Vec4f" : { "j_type" : "MatOfFloat4", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector %(n)s", "suffix" : "J" }, "vector_Vec6f" : { "j_type" : "MatOfFloat6", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector %(n)s", "suffix" : "J" }, "vector_Mat" : { "j_type" : "List", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector %(n)s", "suffix" : "J" }, "vector_vector_KeyPoint": { "j_type" : "List", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector< vector > %(n)s" }, "vector_vector_DMatch" : { "j_type" : "List", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector< vector > %(n)s" }, "vector_vector_char" : { "j_type" : "List", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector< vector > %(n)s" }, "vector_vector_Point" : { "j_type" : "List", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector< vector > %(n)s" }, "vector_vector_Point2f" : { "j_type" : "List", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector< vector > %(n)s" }, "vector_vector_Point3f" : { "j_type" : "List", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector< vector > %(n)s" }, "Mat" : { "j_type" : "Mat", "jn_type" : "long", "jn_args" : (("__int64", ".nativeObj"),), "jni_var" : "Mat& %(n)s = *((Mat*)%(n)s_nativeObj)", "jni_type" : "jlong", #"jni_name" : "*%(n)s", "suffix" : "J" }, "Point" : { "j_type" : "Point", "jn_args" : (("double", ".x"), ("double", ".y")), "jni_var" : "Point %(n)s((int)%(n)s_x, (int)%(n)s_y)", "jni_type" : "jdoubleArray", "suffix" : "DD"}, "Point2f" : { "j_type" : "Point", "jn_args" : (("double", ".x"), ("double", ".y")), "jni_var" : "Point2f %(n)s((float)%(n)s_x, (float)%(n)s_y)", "jni_type" : "jdoubleArray", "suffix" : "DD"}, "Point2d" : { "j_type" : "Point", "jn_args" : (("double", ".x"), ("double", ".y")), "jni_var" : "Point2d %(n)s(%(n)s_x, %(n)s_y)", "jni_type" : "jdoubleArray", "suffix" : "DD"}, "Point3i" : { "j_type" : "Point3", "jn_args" : (("double", ".x"), ("double", ".y"), ("double", ".z")), "jni_var" : "Point3i %(n)s((int)%(n)s_x, (int)%(n)s_y, (int)%(n)s_z)", "jni_type" : "jdoubleArray", "suffix" : "DDD"}, "Point3f" : { "j_type" : "Point3", "jn_args" : (("double", ".x"), ("double", ".y"), ("double", ".z")), "jni_var" : "Point3f %(n)s((float)%(n)s_x, (float)%(n)s_y, (float)%(n)s_z)", "jni_type" : "jdoubleArray", "suffix" : "DDD"}, "Point3d" : { "j_type" : "Point3", "jn_args" : (("double", ".x"), ("double", ".y"), ("double", ".z")), "jni_var" : "Point3d %(n)s(%(n)s_x, %(n)s_y, %(n)s_z)", "jni_type" : "jdoubleArray", "suffix" : "DDD"}, "KeyPoint": { "j_type" : "KeyPoint", "jn_args" : (("float", ".x"), ("float", ".y"), ("float", ".size"), ("float", ".angle"), ("float", ".response"), ("int", ".octave"), ("int", ".class_id")), "jni_var" : "KeyPoint %(n)s(%(n)s_x, %(n)s_y, %(n)s_size, %(n)s_angle, %(n)s_response, %(n)s_octave, %(n)s_class_id)", "jni_type" : "jdoubleArray", "suffix" : "FFFFFII"}, "DMatch" : { "j_type" : "DMatch", "jn_args" : ( ('int', 'queryIdx'), ('int', 'trainIdx'), ('int', 'imgIdx'), ('float', 'distance'), ), "jni_var" : "DMatch %(n)s(%(n)s_queryIdx, %(n)s_trainIdx, %(n)s_imgIdx, %(n)s_distance)", "jni_type" : "jdoubleArray", "suffix" : "IIIF"}, "Rect" : { "j_type" : "Rect", "jn_args" : (("int", ".x"), ("int", ".y"), ("int", ".width"), ("int", ".height")), "jni_var" : "Rect %(n)s(%(n)s_x, %(n)s_y, %(n)s_width, %(n)s_height)", "jni_type" : "jdoubleArray", "suffix" : "IIII"}, "Size" : { "j_type" : "Size", "jn_args" : (("double", ".width"), ("double", ".height")), "jni_var" : "Size %(n)s((int)%(n)s_width, (int)%(n)s_height)", "jni_type" : "jdoubleArray", "suffix" : "DD"}, "Size2f" : { "j_type" : "Size", "jn_args" : (("double", ".width"), ("double", ".height")), "jni_var" : "Size2f %(n)s((float)%(n)s_width, (float)%(n)s_height)", "jni_type" : "jdoubleArray", "suffix" : "DD"}, "RotatedRect": { "j_type" : "RotatedRect", "jn_args" : (("double", ".center.x"), ("double", ".center.y"), ("double", ".size.width"), ("double", ".size.height"), ("double", ".angle")), "jni_var" : "RotatedRect %(n)s(cv::Point2f(%(n)s_center_x, %(n)s_center_y), cv::Size2f(%(n)s_size_width, %(n)s_size_height), %(n)s_angle)", "jni_type" : "jdoubleArray", "suffix" : "DDDDD"}, "Scalar" : { "j_type" : "Scalar", "jn_args" : (("double", ".val[0]"), ("double", ".val[1]"), ("double", ".val[2]"), ("double", ".val[3]")), "jni_var" : "Scalar %(n)s(%(n)s_val0, %(n)s_val1, %(n)s_val2, %(n)s_val3)", "jni_type" : "jdoubleArray", "suffix" : "DDDD"}, "Range" : { "j_type" : "Range", "jn_args" : (("int", ".start"), ("int", ".end")), "jni_var" : "Range %(n)s(%(n)s_start, %(n)s_end)", "jni_type" : "jdoubleArray", "suffix" : "II"}, "CvSlice" : { "j_type" : "Range", "jn_args" : (("int", ".start"), ("int", ".end")), "jni_var" : "Range %(n)s(%(n)s_start, %(n)s_end)", "jni_type" : "jdoubleArray", "suffix" : "II"}, "string" : { "j_type" : "String", "jn_type" : "String", "jni_type" : "jstring", "jni_name" : "n_%(n)s", "jni_var" : 'const char* utf_%(n)s = env->GetStringUTFChars(%(n)s, 0); std::string n_%(n)s( utf_%(n)s ? utf_%(n)s : "" ); env->ReleaseStringUTFChars(%(n)s, utf_%(n)s)', "suffix" : "Ljava_lang_String_2"}, "String" : { "j_type" : "String", "jn_type" : "String", "jni_type" : "jstring", "jni_name" : "n_%(n)s", "jni_var" : 'const char* utf_%(n)s = env->GetStringUTFChars(%(n)s, 0); String n_%(n)s( utf_%(n)s ? utf_%(n)s : "" ); env->ReleaseStringUTFChars(%(n)s, utf_%(n)s)', "suffix" : "Ljava_lang_String_2"}, "c_string": { "j_type" : "String", "jn_type" : "String", "jni_type" : "jstring", "jni_name" : "n_%(n)s.c_str()", "jni_var" : 'const char* utf_%(n)s = env->GetStringUTFChars(%(n)s, 0); std::string n_%(n)s( utf_%(n)s ? utf_%(n)s : "" ); env->ReleaseStringUTFChars(%(n)s, utf_%(n)s)', "suffix" : "Ljava_lang_String_2"}, "TermCriteria": { "j_type" : "TermCriteria", "jn_args" : (("int", ".type"), ("int", ".maxCount"), ("double", ".epsilon")), "jni_var" : "TermCriteria %(n)s(%(n)s_type, %(n)s_maxCount, %(n)s_epsilon)", "jni_type" : "jdoubleArray", "suffix" : "IID"}, "CvTermCriteria": { "j_type" : "TermCriteria", "jn_args" : (("int", ".type"), ("int", ".maxCount"), ("double", ".epsilon")), "jni_var" : "TermCriteria %(n)s(%(n)s_type, %(n)s_maxCount, %(n)s_epsilon)", "jni_type" : "jdoubleArray", "suffix" : "IID"}, "Vec2d" : { "j_type" : "double[]", "jn_args" : (("double", ".val[0]"), ("double", ".val[1]")), "jn_type" : "double[]", "jni_var" : "Vec2d %(n)s(%(n)s_val0, %(n)s_val1)", "jni_type" : "jdoubleArray", "suffix" : "DD"}, "Vec3d" : { "j_type" : "double[]", "jn_args" : (("double", ".val[0]"), ("double", ".val[1]"), ("double", ".val[2]")), "jn_type" : "double[]", "jni_var" : "Vec3d %(n)s(%(n)s_val0, %(n)s_val1, %(n)s_val2)", "jni_type" : "jdoubleArray", "suffix" : "DDD"}, } # { class : { func : {j_code, jn_code, cpp_code} } } ManualFuncs = { 'Core' : { 'minMaxLoc' : { 'j_code' : """ // manual port public static class MinMaxLocResult { public double minVal; public double maxVal; public Point minLoc; public Point maxLoc; public MinMaxLocResult() { minVal=0; maxVal=0; minLoc=new Point(); maxLoc=new Point(); } } // C++: minMaxLoc(Mat src, double* minVal, double* maxVal=0, Point* minLoc=0, Point* maxLoc=0, InputArray mask=noArray()) //javadoc: minMaxLoc(src, mask) public static MinMaxLocResult minMaxLoc(Mat src, Mat mask) { MinMaxLocResult res = new MinMaxLocResult(); long maskNativeObj=0; if (mask != null) { maskNativeObj=mask.nativeObj; } double resarr[] = n_minMaxLocManual(src.nativeObj, maskNativeObj); res.minVal=resarr[0]; res.maxVal=resarr[1]; res.minLoc.x=resarr[2]; res.minLoc.y=resarr[3]; res.maxLoc.x=resarr[4]; res.maxLoc.y=resarr[5]; return res; } //javadoc: minMaxLoc(src) public static MinMaxLocResult minMaxLoc(Mat src) { return minMaxLoc(src, null); } """, 'jn_code' : """ private static native double[] n_minMaxLocManual(long src_nativeObj, long mask_nativeObj);\n""", 'cpp_code' : """ // C++: minMaxLoc(Mat src, double* minVal, double* maxVal=0, Point* minLoc=0, Point* maxLoc=0, InputArray mask=noArray()) JNIEXPORT jdoubleArray JNICALL Java_org_opencv_core_Core_n_1minMaxLocManual (JNIEnv*, jclass, jlong, jlong); JNIEXPORT jdoubleArray JNICALL Java_org_opencv_core_Core_n_1minMaxLocManual (JNIEnv* env, jclass, jlong src_nativeObj, jlong mask_nativeObj) { try { LOGD("Core::n_1minMaxLoc()"); jdoubleArray result; result = env->NewDoubleArray(6); if (result == NULL) { return NULL; /* out of memory error thrown */ } Mat& src = *((Mat*)src_nativeObj); double minVal, maxVal; Point minLoc, maxLoc; if (mask_nativeObj != 0) { Mat& mask = *((Mat*)mask_nativeObj); minMaxLoc(src, &minVal, &maxVal, &minLoc, &maxLoc, mask); } else { minMaxLoc(src, &minVal, &maxVal, &minLoc, &maxLoc); } jdouble fill[6]; fill[0]=minVal; fill[1]=maxVal; fill[2]=minLoc.x; fill[3]=minLoc.y; fill[4]=maxLoc.x; fill[5]=maxLoc.y; env->SetDoubleArrayRegion(result, 0, 6, fill); return result; } catch(cv::Exception e) { LOGD("Core::n_1minMaxLoc() 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_1minMaxLoc() catched unknown exception (...)"); jclass je = env->FindClass("java/lang/Exception"); env->ThrowNew(je, "Unknown exception in JNI code {core::minMaxLoc()}"); return NULL; } } """, }, # minMaxLoc 'getTextSize' : { 'j_code' : """ // C++: Size getTextSize(const string& text, int fontFace, double fontScale, int thickness, int* baseLine); //javadoc:getTextSize(text, fontFace, fontScale, thickness, baseLine) public static Size getTextSize(String text, int fontFace, double fontScale, int thickness, int[] baseLine) { if(baseLine != null && baseLine.length != 1) throw new java.lang.IllegalArgumentException("'baseLine' must be 'int[1]' or 'null'."); Size retVal = new Size(n_getTextSize(text, fontFace, fontScale, thickness, baseLine)); return retVal; } """, 'jn_code' : """ private static native double[] n_getTextSize(String text, int fontFace, double fontScale, int thickness, int[] baseLine);\n""", '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_core_Core_n_1getTextSize (JNIEnv* env, jclass, jstring text, jint fontFace, jdouble fontScale, jint thickness, jintArray baseLine) { try { LOGD("Core::n_1getTextSize()"); jdoubleArray result; result = env->NewDoubleArray(2); if (result == NULL) { return NULL; /* out of memory error thrown */ } const char* utf_text = env->GetStringUTFChars(text, 0); std::string n_text( utf_text ? utf_text : "" ); env->ReleaseStringUTFChars(text, utf_text); int _baseLine; int* pbaseLine = 0; if (baseLine != NULL) pbaseLine = &_baseLine; cv::Size rsize = cv::getTextSize(n_text, (int)fontFace, (double)fontScale, (int)thickness, pbaseLine); jdouble fill[2]; fill[0]=rsize.width; fill[1]=rsize.height; env->SetDoubleArrayRegion(result, 0, 2, fill); if (baseLine != NULL) env->SetIntArrayRegion(baseLine, 0, 1, pbaseLine); return result; } catch(cv::Exception e) { LOGD("Core::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 (...)"); jclass je = env->FindClass("java/lang/Exception"); env->ThrowNew(je, "Unknown exception in JNI code {core::getTextSize()}"); return NULL; } } """, }, # getTextSize ## "checkRange" : #TBD ## {'j_code' : '/* TBD: checkRange() */', 'jn_code' : '', 'cpp_code' : '' }, "checkHardwareSupport" : {'j_code' : '', 'jn_code' : '', 'cpp_code' : '' }, "setUseOptimized" : {'j_code' : '', 'jn_code' : '', 'cpp_code' : '' }, "useOptimized" : {'j_code' : '', 'jn_code' : '', 'cpp_code' : '' }, }, # Core 'Highgui' : { "namedWindow" : {'j_code' : '', 'jn_code' : '', 'cpp_code' : '' }, "destroyWindow" : {'j_code' : '', 'jn_code' : '', 'cpp_code' : '' }, "destroyAllWindows" : {'j_code' : '', 'jn_code' : '', 'cpp_code' : '' }, "startWindowThread" : {'j_code' : '', 'jn_code' : '', 'cpp_code' : '' }, "setWindowProperty" : {'j_code' : '', 'jn_code' : '', 'cpp_code' : '' }, "getWindowProperty" : {'j_code' : '', 'jn_code' : '', 'cpp_code' : '' }, "getTrackbarPos" : {'j_code' : '', 'jn_code' : '', 'cpp_code' : '' }, "setTrackbarPos" : {'j_code' : '', 'jn_code' : '', 'cpp_code' : '' }, "imshow" : {'j_code' : '', 'jn_code' : '', 'cpp_code' : '' }, "waitKey" : {'j_code' : '', 'jn_code' : '', 'cpp_code' : '' }, "moveWindow" : {'j_code' : '', 'jn_code' : '', 'cpp_code' : '' }, "resizeWindow" : {'j_code' : '', 'jn_code' : '', 'cpp_code' : '' }, }, # Highgui } # { class : { func : {arg_name : ctype} } } func_arg_fix = { '' : { 'randu' : { 'low' : 'double', 'high' : 'double', }, 'randn' : { 'mean' : 'double', 'stddev' : 'double', }, 'inRange' : { 'lowerb' : 'Scalar', 'upperb' : 'Scalar', }, 'goodFeaturesToTrack' : { 'corners' : 'vector_Point', }, 'findFundamentalMat' : { 'points1' : 'vector_Point2f', 'points2' : 'vector_Point2f', }, 'cornerSubPix' : { 'corners' : 'vector_Point2f', }, 'minEnclosingCircle' : { 'points' : 'vector_Point2f', }, 'findHomography' : { 'srcPoints' : 'vector_Point2f', 'dstPoints' : 'vector_Point2f', }, 'solvePnP' : { 'objectPoints' : 'vector_Point3f', 'imagePoints' : 'vector_Point2f', 'distCoeffs' : 'vector_double' }, 'solvePnPRansac' : { 'objectPoints' : 'vector_Point3f', 'imagePoints' : 'vector_Point2f', 'distCoeffs' : 'vector_double' }, 'calcOpticalFlowPyrLK' : { 'prevPts' : 'vector_Point2f', 'nextPts' : 'vector_Point2f', 'status' : 'vector_uchar', 'err' : 'vector_float', }, 'fitEllipse' : { 'points' : 'vector_Point2f', }, 'fillPoly' : { 'pts' : 'vector_vector_Point', }, 'polylines' : { 'pts' : 'vector_vector_Point', }, 'fillConvexPoly' : { 'points' : 'vector_Point', }, 'boundingRect' : { 'points' : 'vector_Point', }, 'approxPolyDP' : { 'curve' : 'vector_Point2f', 'approxCurve' : 'vector_Point2f', }, 'arcLength' : { 'curve' : 'vector_Point2f', }, 'pointPolygonTest' : { 'contour' : 'vector_Point2f', }, 'minAreaRect' : { 'points' : 'vector_Point2f', }, 'getAffineTransform' : { 'src' : 'vector_Point2f', 'dst' : 'vector_Point2f', }, 'hconcat' : { 'src' : 'vector_Mat', }, 'vconcat' : { 'src' : 'vector_Mat', }, 'undistortPoints' : { 'src' : 'vector_Point2f', 'dst' : 'vector_Point2f' }, 'checkRange' : {'pos' : '*'}, 'meanStdDev' : {'mean' : 'vector_double', 'stddev' : 'vector_double'}, 'drawContours' : {'contours' : 'vector_vector_Point'}, 'findContours' : {'contours' : 'vector_vector_Point'}, 'convexityDefects' : {'contour' : 'vector_Point', 'convexhull' : 'vector_int', 'convexityDefects' : 'vector_Vec4i'}, 'isContourConvex' : { 'contour' : 'vector_Point', }, 'convexHull' : {'points' : 'vector_Point', 'hull' : 'vector_int', 'returnPoints' : ''}, 'projectPoints' : { 'objectPoints' : 'vector_Point3f', 'imagePoints' : 'vector_Point2f', 'distCoeffs' : 'vector_double' }, 'initCameraMatrix2D' : {'objectPoints' : 'vector_vector_Point3f', 'imagePoints' : 'vector_vector_Point2f', }, 'findChessboardCorners' : { 'corners' : 'vector_Point2f' }, 'drawChessboardCorners' : { 'corners' : 'vector_Point2f' }, }, # '', i.e. no class } # func_arg_fix class ConstInfo(object): def __init__(self, cname, name, val, addedManually=False): self.cname = cname self.name = re.sub(r"^Cv", "", name) self.value = val self.addedManually = addedManually class ClassPropInfo(object): def __init__(self, decl): # [f_ctype, f_name, '', '/RW'] self.ctype = decl[0] self.name = decl[1] self.rw = "/RW" in decl[3] class ClassInfo(object): def __init__(self, decl): # [ 'class/struct cname', ': base', [modlist] ] name = decl[0] name = name[name.find(" ")+1:].strip() self.cname = self.name = self.jname = re.sub(r"^cv\.", "", name) self.cname = self.cname.replace(".", "::") self.methods = {} self.methods_suffixes = {} self.consts = [] # using a list to save the occurence order self.private_consts = [] self.imports = set() self.props= [] self.jname = self.name for m in decl[2]: if m.startswith("="): self.jname = m[1:] self.base = '' if decl[1]: #self.base = re.sub(r"\b"+self.jname+r"\b", "", decl[1].replace(":", "")).strip() self.base = re.sub(r"^.*:", "", decl[1].split(",")[0]).strip().replace(self.jname, "") class ArgInfo(object): def __init__(self, arg_tuple): # [ ctype, name, def val, [mod], argno ] self.pointer = False ctype = arg_tuple[0] if ctype.endswith("*"): ctype = ctype[:-1] self.pointer = True if ctype == 'vector_Point2d': ctype = 'vector_Point2f' elif ctype == 'vector_Point3d': ctype = 'vector_Point3f' self.ctype = ctype self.name = arg_tuple[1] self.defval = arg_tuple[2] self.out = "" if "/O" in arg_tuple[3]: self.out = "O" if "/IO" in arg_tuple[3]: self.out = "IO" class FuncInfo(object): def __init__(self, decl): # [ funcname, return_ctype, [modifiers], [args] ] name = re.sub(r"^cv\.", "", decl[0]) self.cname = name.replace(".", "::") classname = "" dpos = name.rfind(".") if dpos >= 0: classname = name[:dpos] name = name[dpos+1:] self.classname = classname self.jname = self.name = name if "[" in name: self.jname = "getelem" for m in decl[2]: if m.startswith("="): self.jname = m[1:] self.static = ["","static"][ "/S" in decl[2] ] self.ctype = re.sub(r"^CvTermCriteria", "TermCriteria", decl[1] or "") self.args = [] arg_fix_map = func_arg_fix.get(classname, {}).get(self.jname, {}) for a in decl[3]: arg = a[:] arg[0] = arg_fix_map.get(arg[1], arg[0]) ai = ArgInfo(arg) self.args.append(ai) class FuncFamilyInfo(object): def __init__(self, decl): # [ funcname, return_ctype, [modifiers], [args] ] self.funcs = [] self.funcs.append( FuncInfo(decl) ) self.jname = self.funcs[0].jname self.isconstructor = self.funcs[0].name == self.funcs[0].classname def add_func(self, fi): self.funcs.append( fi ) class JavaWrapperGenerator(object): def __init__(self): self.clear() def clear(self): self.classes = { "Mat" : ClassInfo([ 'class Mat', '', [], [] ]) } self.module = "" self.Module = "" self.java_code= {} # { class : {j_code, jn_code} } self.cpp_code = None self.ported_func_list = [] self.skipped_func_list = [] self.def_args_hist = {} # { def_args_cnt : funcs_cnt } self.classes_map = [] self.classes_simple = [] def add_class_code_stream(self, class_name, cls_base = ''): jname = self.classes[class_name].jname self.java_code[class_name] = { "j_code" : StringIO(), "jn_code" : StringIO(), } if class_name != self.Module: if cls_base: self.java_code[class_name]["j_code"].write(""" // // This file is auto-generated. Please don't modify it! // package org.opencv.%(m)s; $imports // C++: class %(c)s //javadoc: %(c)s public class %(jc)s extends %(base)s { protected %(jc)s(long addr) { super(addr); } """ % { 'm' : self.module, 'c' : class_name, 'jc' : jname, 'base' : cls_base }) else: # not cls_base self.java_code[class_name]["j_code"].write(""" // // This file is auto-generated. Please don't modify it! // package org.opencv.%(m)s; $imports // C++: class %(c)s //javadoc: %(c)s public class %(jc)s { protected final long nativeObj; protected %(jc)s(long addr) { nativeObj = addr; } """ % { 'm' : self.module, 'c' : class_name, 'jc' : jname }) else: # class_name == self.Module self.java_code[class_name]["j_code"].write(""" // // This file is auto-generated. Please don't modify it! // package org.opencv.%(m)s; $imports public class %(jc)s { """ % { 'm' : self.module, 'jc' : jname } ) # self.java_code[class_name]["jn_code"].write(""" # // # // native stuff # // # static { System.loadLibrary("opencv_java"); } #""" ) def add_class(self, decl): classinfo = ClassInfo(decl) if classinfo.name in class_ignore_list: return name = classinfo.name if name in self.classes: print "Generator error: class %s (%s) is duplicated" % \ (name, classinfo.cname) return self.classes[name] = classinfo if name in type_dict: print "Duplicated class: " + name return if '/Simple' in decl[2]: self.classes_simple.append(name) if ('/Map' in decl[2]): self.classes_map.append(name) #adding default c-tor ffi = FuncFamilyInfo(['cv.'+name+'.'+name, '', [], []]) classinfo.methods[ffi.jname] = ffi type_dict[name] = \ { "j_type" : classinfo.jname, "jn_type" : "long", "jn_args" : (("__int64", ".nativeObj"),), "jni_name" : "(*("+name+"*)%(n)s_nativeObj)", "jni_type" : "jlong", "suffix" : "J" } type_dict[name+'*'] = \ { "j_type" : classinfo.jname, "jn_type" : "long", "jn_args" : (("__int64", ".nativeObj"),), "jni_name" : "("+name+"*)%(n)s_nativeObj", "jni_type" : "jlong", "suffix" : "J" } # missing_consts { Module : { public : [[name, val],...], private : [[]...] } } if name in missing_consts: if 'private' in missing_consts[name]: for (n, val) in missing_consts[name]['private']: classinfo.private_consts.append( ConstInfo(n, n, val, True) ) if 'public' in missing_consts[name]: for (n, val) in missing_consts[name]['public']: classinfo.consts.append( ConstInfo(n, n, val, True) ) # class props for p in decl[3]: if True: #"vector" not in p[0]: classinfo.props.append( ClassPropInfo(p) ) else: print "Skipped property: [%s]" % name, p self.add_class_code_stream(name, classinfo.base) if classinfo.base: self.get_imports(name, classinfo.base) def add_const(self, decl): # [ "const cname", val, [], [] ] name = decl[0].replace("const ", "").strip() name = re.sub(r"^cv\.", "", name) cname = name.replace(".", "::") for c in const_ignore_list: if re.match(c, name): return # class member? dpos = name.rfind(".") if dpos >= 0: classname = name[:dpos] name = name[dpos+1:] else: classname = self.Module if classname not in self.classes: # this class isn't wrapped # skipping this const return consts = self.classes[classname].consts for c in const_private_list: if re.match(c, name): consts = self.classes[classname].private_consts break constinfo = ConstInfo(cname, name, decl[1]) # checking duplication for list in self.classes[classname].consts, self.classes[classname].private_consts: for c in list: if c.name == constinfo.name: if c.addedManually: return print "Generator error: constant %s (%s) is duplicated" \ % (constinfo.name, constinfo.cname) sys.exit(-1) consts.append(constinfo) def add_func(self, decl): ffi = FuncFamilyInfo(decl) classname = ffi.funcs[0].classname or self.Module if classname in class_ignore_list: return if classname in ManualFuncs and ffi.jname in ManualFuncs[classname]: return if classname not in self.classes: print "Generator error: the class %s for method %s is missing" % \ (classname, ffi.jname) sys.exit(-1) func_map = self.classes[classname].methods if ffi.jname in func_map: func_map[ffi.jname].add_func(ffi.funcs[0]) else: func_map[ffi.jname] = ffi # calc args with def val cnt = len([a for a in ffi.funcs[0].args if a.defval]) self.def_args_hist[cnt] = self.def_args_hist.get(cnt, 0) + 1 def save(self, path, buf): f = open(path, "wt") f.write(buf) f.close() def gen(self, srcfiles, module, output_path): self.clear() self.module = module self.Module = module.capitalize() parser = hdr_parser.CppHeaderParser() self.add_class( ['class ' + self.Module, '', [], []] ) # [ 'class/struct cname', ':bases', [modlist] [props] ] # scan the headers and build more descriptive maps of classes, consts, functions for hdr in srcfiles: decls = parser.parse(hdr) for decl in decls: name = decl[0] if name.startswith("struct") or name.startswith("class"): self.add_class(decl) elif name.startswith("const"): self.add_const(decl) else: # function self.add_func(decl) self.cpp_code = StringIO() self.cpp_code.write(""" // // This file is auto-generated, please don't edit! // #include #include "converters.h" #ifdef DEBUG #include #define MODULE_LOG_TAG "OpenCV.%(m)s" #define LOGD(...) ((void)__android_log_print(ANDROID_LOG_DEBUG, MODULE_LOG_TAG, __VA_ARGS__)) #else //DEBUG #define LOGD(...) #endif //DEBUG #include "opencv2/%(m)s/%(m)s.hpp" using namespace cv; extern "C" { """ % {'m' : module} ) # generate code for the classes for name in self.classes.keys(): if name == "Mat": continue self.gen_class(name) # saving code streams imports = "\n".join([ "import %s;" % c for c in \ sorted(self.classes[name].imports) if not c.startswith('org.opencv.'+self.module) ]) self.java_code[name]["j_code"].write("\n\n%s\n}\n" % self.java_code[name]["jn_code"].getvalue()) java_code = self.java_code[name]["j_code"].getvalue() java_code = Template(java_code).substitute(imports = imports) self.save("%s/%s+%s.java" % (output_path, module, self.classes[name].jname), java_code) self.cpp_code.write( '\n} // extern "C"\n' ) self.save(output_path+"/"+module+".cpp", self.cpp_code.getvalue()) # report report = StringIO() report.write("PORTED FUNCs LIST (%i of %i):\n\n" % \ (len(self.ported_func_list), len(self.ported_func_list)+ len(self.skipped_func_list)) ) report.write("\n".join(self.ported_func_list)) report.write("\n\nSKIPPED FUNCs LIST (%i of %i):\n\n" % \ (len(self.skipped_func_list), len(self.ported_func_list)+ len(self.skipped_func_list)) ) report.write("".join(self.skipped_func_list)) for i in self.def_args_hist.keys(): report.write("\n%i def args - %i funcs" % (i, self.def_args_hist[i])) report.write("\n\nclass as MAP:\n\t" + "\n\t".join(self.classes_map)) report.write("\n\nclass SIMPLE:\n\t" + "\n\t".join(self.classes_simple)) self.save(output_path+"/"+module+".txt", report.getvalue()) #print "Done %i of %i funcs." % (len(self.ported_func_list), len(self.ported_func_list)+ len(self.skipped_func_list)) def get_imports(self, scope_classname, ctype): imports = self.classes[scope_classname or self.Module].imports if ctype.startswith('vector_vector'): imports.add("org.opencv.core.Mat") imports.add("java.util.List") imports.add("org.opencv.utils.Converters") self.get_imports(scope_classname, ctype.replace('vector_vector', 'vector')) return if ctype.startswith('vector'): imports.add("org.opencv.core.Mat") if type_dict[ctype]['j_type'].startswith('MatOf'): imports.add("org.opencv.core." + type_dict[ctype]['j_type']) return else: imports.add("java.util.List") imports.add("org.opencv.utils.Converters") self.get_imports(scope_classname, ctype.replace('vector_', '')) return j_type = '' if ctype in type_dict: j_type = type_dict[ctype]['j_type'] elif ctype in ("Algorithm"): j_type = ctype if j_type in ( "CvType", "Mat", "Point", "Point3", "Range", "Rect", "RotatedRect", "Scalar", "Size", "TermCriteria", "Algorithm" ): imports.add("org.opencv.core." + j_type) if j_type == 'String': imports.add("java.lang.String") return def gen_func(self, fi, prop_name=''): j_code = self.java_code[fi.classname or self.Module]["j_code"] jn_code = self.java_code[fi.classname or self.Module]["jn_code"] cpp_code = self.cpp_code # c_decl # e.g: void add(Mat src1, Mat src2, Mat dst, Mat mask = Mat(), int dtype = -1) if prop_name: c_decl = "%s %s::%s" % (fi.ctype, fi.classname, prop_name) else: decl_args = [] for a in fi.args: s = a.ctype or ' _hidden_ ' if a.pointer: s += "*" elif a.out: s += "&" s += " " + a.name if a.defval: s += " = "+a.defval decl_args.append(s) c_decl = "%s %s %s(%s)" % ( fi.static, fi.ctype, fi.cname, ", ".join(decl_args) ) # java comment j_code.write( "\n //\n // C++: %s\n //\n\n" % c_decl ) # check if we 'know' all the types if fi.ctype not in type_dict: # unsupported ret type msg = "// Return type '%s' is not supported, skipping the function\n\n" % fi.ctype self.skipped_func_list.append(c_decl + "\n" + msg) j_code.write( " "*4 + msg ) print "SKIP:", c_decl, "\n\tdue to RET type", fi.ctype return for a in fi.args: if a.ctype not in type_dict: 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 ) print "SKIP:", c_decl, "\n\tdue to ARG type", a.ctype, "/" + (a.out or "I") return self.ported_func_list.append(c_decl) # jn & cpp comment jn_code.write( "\n // C++: %s\n" % c_decl ) cpp_code.write( "\n//\n// %s\n//\n" % c_decl ) # java args args = fi.args[:] # copy suffix_counter = int( self.classes[fi.classname or self.Module].methods_suffixes.get(fi.jname, -1) ) while True: suffix_counter += 1 self.classes[fi.classname or self.Module].methods_suffixes[fi.jname] = suffix_counter # java native method args jn_args = [] # jni (cpp) function args jni_args = [ArgInfo([ "env", "env", "", [], "" ]), ArgInfo([ "cls", "", "", [], "" ])] j_prologue = [] j_epilogue = [] c_prologue = [] c_epilogue = [] if type_dict[fi.ctype]["jni_type"] == "jdoubleArray": fields = type_dict[fi.ctype]["jn_args"] c_epilogue.append( \ ("jdoubleArray _da_retval_ = env->NewDoubleArray(%(cnt)i); " + "jdouble _tmp_retval_[%(cnt)i] = {%(args)s}; " + "env->SetDoubleArrayRegion(_da_retval_, 0, %(cnt)i, _tmp_retval_);") % { "cnt" : len(fields), "args" : ", ".join(["_retval_" + f[1] for f in fields]) } ) if fi.classname and fi.ctype and not fi.static: # non-static class method except c-tor # adding 'self' jn_args.append ( ArgInfo([ "__int64", "nativeObj", "", [], "" ]) ) jni_args.append( ArgInfo([ "__int64", "self", "", [], "" ]) ) self.get_imports(fi.classname, fi.ctype) for a in args: if not a.ctype: # hidden continue self.get_imports(fi.classname, a.ctype) if "vector" in a.ctype: # pass as Mat jn_args.append ( ArgInfo([ "__int64", "%s_mat.nativeObj" % a.name, "", [], "" ]) ) jni_args.append ( ArgInfo([ "__int64", "%s_mat_nativeObj" % a.name, "", [], "" ]) ) c_prologue.append( type_dict[a.ctype]["jni_var"] % {"n" : a.name} + ";" ) c_prologue.append( "Mat& %(n)s_mat = *((Mat*)%(n)s_mat_nativeObj)" % {"n" : a.name} + ";" ) if "I" in a.out or not a.out: if a.ctype.startswith("vector_vector_"): self.classes[fi.classname or self.Module].imports.add("java.util.ArrayList") j_prologue.append( "List %(n)s_tmplm = new ArrayList((%(n)s != null) ? %(n)s.size() : 0);" % {"n" : a.name } ) j_prologue.append( "Mat %(n)s_mat = Converters.%(t)s_to_Mat(%(n)s, %(n)s_tmplm);" % {"n" : a.name, "t" : a.ctype} ) else: if not type_dict[a.ctype]["j_type"].startswith("MatOf"): j_prologue.append( "Mat %(n)s_mat = Converters.%(t)s_to_Mat(%(n)s);" % {"n" : a.name, "t" : a.ctype} ) else: j_prologue.append( "Mat %s_mat = %s;" % (a.name, a.name) ) c_prologue.append( "Mat_to_%(t)s( %(n)s_mat, %(n)s );" % {"n" : a.name, "t" : a.ctype} ) else: if not type_dict[a.ctype]["j_type"].startswith("MatOf"): j_prologue.append( "Mat %s_mat = new Mat();" % a.name ) else: j_prologue.append( "Mat %s_mat = %s;" % (a.name, a.name) ) if "O" in a.out: if not type_dict[a.ctype]["j_type"].startswith("MatOf"): j_epilogue.append("Converters.Mat_to_%(t)s(%(n)s_mat, %(n)s);" % {"t" : a.ctype, "n" : a.name}) c_epilogue.append( "%(t)s_to_Mat( %(n)s, %(n)s_mat );" % {"n" : a.name, "t" : a.ctype} ) else: fields = type_dict[a.ctype].get("jn_args", ((a.ctype, ""),)) if "I" in a.out or not a.out or a.ctype in self.classes: # input arg, pass by primitive fields for f in fields: jn_args.append ( ArgInfo([ f[0], a.name + f[1], "", [], "" ]) ) jni_args.append( ArgInfo([ f[0], a.name + f[1].replace(".","_").replace("[","").replace("]",""), "", [], "" ]) ) if a.out and a.ctype not in self.classes: # out arg, pass as double[] jn_args.append ( ArgInfo([ "double[]", "%s_out" % a.name, "", [], "" ]) ) jni_args.append ( ArgInfo([ "double[]", "%s_out" % a.name, "", [], "" ]) ) j_prologue.append( "double[] %s_out = new double[%i];" % (a.name, len(fields)) ) c_epilogue.append( \ "jdouble tmp_%(n)s[%(cnt)i] = {%(args)s}; env->SetDoubleArrayRegion(%(n)s_out, 0, %(cnt)i, tmp_%(n)s);" % { "n" : a.name, "cnt" : len(fields), "args" : ", ".join([a.name + f[1] for f in fields]) } ) if a.ctype in ('bool', 'int', 'long', 'float', 'double'): j_epilogue.append('if(%(n)s!=null) %(n)s[0] = (%(t)s)%(n)s_out[0];' % {'n':a.name,'t':a.ctype}) else: set_vals = [] i = 0 for f in fields: set_vals.append( "%(n)s%(f)s = %(t)s%(n)s_out[%(i)i]" % {"n" : a.name, "t": ("("+type_dict[f[0]]["j_type"]+")", "")[f[0]=="double"], "f" : f[1], "i" : i} ) i += 1 j_epilogue.append( "if("+a.name+"!=null){ " + "; ".join(set_vals) + "; } ") # java part: # private java NATIVE method decl # e.g. # private static native void add_0(long src1, long src2, long dst, long mask, int dtype); jn_code.write( Template(\ " private static native $type $name($args);\n").substitute(\ type = type_dict[fi.ctype].get("jn_type", "double[]"), \ name = fi.jname + '_' + str(suffix_counter), \ args = ", ".join(["%s %s" % (type_dict[a.ctype]["jn_type"], a.name.replace(".","_").replace("[","").replace("]","")) for a in jn_args]) ) ); # java part: #java doc comment f_name = fi.name if fi.classname: f_name = fi.classname + "::" + fi.name java_doc = "//javadoc: " + f_name + "(%s)" % ", ".join([a.name for a in args if a.ctype]) j_code.write(" "*4 + java_doc + "\n") # public java wrapper method impl (calling native one above) # e.g. # public static void add( Mat src1, Mat src2, Mat dst, Mat mask, int dtype ) # { add_0( src1.nativeObj, src2.nativeObj, dst.nativeObj, mask.nativeObj, dtype ); } ret_type = fi.ctype if fi.ctype.endswith('*'): ret_type = ret_type[:-1] ret_val = type_dict[ret_type]["j_type"] + " retVal = " tail = "" ret = "return retVal;" if ret_type.startswith('vector'): tail = ")" j_type = type_dict[ret_type]["j_type"] if j_type.startswith('MatOf'): ret_val += j_type + ".fromNativeAddr(" else: ret_val = "Mat retValMat = new Mat(" j_prologue.append( j_type + ' retVal = new Array' + j_type+'();') self.classes[fi.classname or self.Module].imports.add('java.util.ArrayList') j_epilogue.append('Converters.Mat_to_' + ret_type + '(retValMat, retVal);') elif ret_type == "void": ret_val = "" ret = "return;" elif ret_type == "": # c-tor if fi.classname and self.classes[fi.classname].base: ret_val = "super( " tail = " )" else: ret_val = "nativeObj = " ret = "return;" elif ret_type in self.classes: # wrapped class ret_val = type_dict[ret_type]["j_type"] + " retVal = new " + self.classes[ret_type].jname + "(" tail = ")" elif "jn_type" not in type_dict[ret_type]: ret_val = type_dict[fi.ctype]["j_type"] + " retVal = new " + type_dict[ret_type]["j_type"] + "(" tail = ")" static = "static" if fi.classname: static = fi.static j_args = [] for a in args: if not a.ctype: #hidden continue jt = type_dict[a.ctype]["j_type"] if a.out and a.ctype in ('bool', 'int', 'long', 'float', 'double'): jt += '[]' j_args.append( jt + ' ' + a.name ) j_code.write( Template(\ """ public $static $j_type $j_name($j_args) { $prologue $ret_val$jn_name($jn_args_call)$tail; $epilogue $ret } """ ).substitute(\ ret = ret, \ ret_val = ret_val, \ tail = tail, \ prologue = "\n ".join(j_prologue), \ epilogue = "\n ".join(j_epilogue), \ static=static, \ j_type=type_dict[fi.ctype]["j_type"], \ j_name=fi.jname, \ j_args=", ".join(j_args), \ jn_name=fi.jname + '_' + str(suffix_counter), \ jn_args_call=", ".join( [a.name for a in jn_args] ),\ ) ) # cpp part: # jni_func(..) { _retval_ = cv_func(..); return _retval_; } ret = "return _retval_;" default = "return 0;" if fi.ctype == "void": ret = "return;" default = "return;" elif not fi.ctype: # c-tor ret = "return (jlong) _retval_;" elif fi.ctype.startswith('vector'): # c-tor ret = "return (jlong) _retval_;" elif fi.ctype == "string": ret = "return env->NewStringUTF(_retval_.c_str());" default = 'return env->NewStringUTF("");' elif fi.ctype in self.classes: # wrapped class: ret = "return (jlong) new %s(_retval_);" % fi.ctype elif ret_type in self.classes: # pointer to wrapped class: ret = "return (jlong) _retval_;" elif type_dict[fi.ctype]["jni_type"] == "jdoubleArray": ret = "return _da_retval_;" # hack: replacing func call with property set/get name = fi.name if prop_name: if args: name = prop_name + " = " else: name = prop_name + ";//" cvname = "cv::" + name retval = fi.ctype + " _retval_ = " if fi.ctype == "void": retval = "" elif fi.ctype.startswith('vector'): retval = type_dict[fi.ctype]['jni_var'] % {"n" : '_ret_val_vector_'} + " = " c_epilogue.append("Mat* _retval_ = new Mat();") c_epilogue.append(fi.ctype+"_to_Mat(_ret_val_vector_, *_retval_);") if fi.classname: if not fi.ctype: # c-tor retval = fi.classname + "* _retval_ = " cvname = "new " + fi.classname elif fi.static: cvname = "%s::%s" % (fi.classname, name) else: cvname = "me->" + name c_prologue.append(\ "%(cls)s* me = (%(cls)s*) self; //TODO: check for NULL" \ % { "cls" : fi.classname} \ ) cvargs = [] for a in args: if a.pointer: jni_name = "&%(n)s" else: jni_name = "%(n)s" if not a.ctype: # hidden jni_name = a.defval cvargs.append( type_dict[a.ctype].get("jni_name", jni_name) % {"n" : a.name}) if "vector" not in a.ctype : if ("I" in a.out or not a.out or a.ctype in self.classes) and "jni_var" in type_dict[a.ctype]: # complex type c_prologue.append(type_dict[a.ctype]["jni_var"] % {"n" : a.name} + ";") if a.out and "I" not in a.out and a.ctype not in self.classes and a.ctype: c_prologue.append("%s %s;" % (a.ctype, a.name)) rtype = type_dict[fi.ctype].get("jni_type", "jdoubleArray") clazz = self.Module if fi.classname: clazz = self.classes[fi.classname].jname cpp_code.write ( Template( \ """ JNIEXPORT $rtype JNICALL Java_org_opencv_${module}_${clazz}_$fname ($argst); JNIEXPORT $rtype JNICALL Java_org_opencv_${module}_${clazz}_$fname ($args) { try { LOGD("$module::$fname()"); $prologue $retval$cvname( $cvargs ); $epilogue $ret } catch(cv::Exception e) { LOGD("$module::$fname() 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()); $default } catch (...) { LOGD("$module::$fname() catched unknown exception (...)"); jclass je = env->FindClass("java/lang/Exception"); env->ThrowNew(je, "Unknown exception in JNI code {$module::$fname()}"); $default } } """ ).substitute( \ rtype = rtype, \ module = self.module, \ clazz = clazz.replace('_', '_1'), \ fname = (fi.jname + '_' + str(suffix_counter)).replace('_', '_1'), \ args = ", ".join(["%s %s" % (type_dict[a.ctype].get("jni_type"), a.name) for a in jni_args]), \ argst = ", ".join([type_dict[a.ctype].get("jni_type") for a in jni_args]), \ prologue = "\n ".join(c_prologue), \ epilogue = " ".join(c_epilogue), \ ret = ret, \ cvname = cvname, \ cvargs = ", ".join(cvargs), \ default = default, \ retval = retval, \ ) ) # processing args with default values if not args or not args[-1].defval: break while args and args[-1].defval: # 'smart' overloads filtering a = args.pop() if a.name in ('mask', 'dtype', 'ddepth', 'lineType', 'borderType', 'borderMode', 'criteria'): break def gen_class(self, name): # generate code for the class ci = self.classes[name] # constants if ci.private_consts: self.java_code[name]['j_code'].write(""" private static final int %s;\n\n""" % (",\n"+" "*12).join(["%s = %s" % (c.name, c.value) for c in ci.private_consts]) ) if ci.consts: self.java_code[name]['j_code'].write(""" public static final int %s;\n\n""" % (",\n"+" "*12).join(["%s = %s" % (c.name, c.value) for c in ci.consts]) ) # c-tors fflist = ci.methods.items() fflist.sort() for n, ffi in fflist: if ffi.isconstructor: for fi in ffi.funcs: fi.jname = ci.jname self.gen_func(fi) # other methods for n, ffi in fflist: if not ffi.isconstructor: for fi in ffi.funcs: self.gen_func(fi) # props for pi in ci.props: # getter getter_name = name + ".get_" + pi.name #print getter_name fi = FuncInfo( [getter_name, pi.ctype, [], []] ) # [ funcname, return_ctype, [modifiers], [args] ] self.gen_func(fi, pi.name) if pi.rw: #setter setter_name = name + ".set_" + pi.name #print setter_name fi = FuncInfo( [ setter_name, "void", [], [ [pi.ctype, pi.name, "", [], ""] ] ] ) self.gen_func(fi, pi.name) # manual ports if name in ManualFuncs: for func in ManualFuncs[name].keys(): self.java_code[name]["j_code"].write ( ManualFuncs[name][func]["j_code"] ) self.java_code[name]["jn_code"].write( ManualFuncs[name][func]["jn_code"] ) self.cpp_code.write( ManualFuncs[name][func]["cpp_code"] ) if name != self.Module: # finalize() self.java_code[name]["j_code"].write( """ @Override protected void finalize() throws Throwable { delete(nativeObj); } """ ) self.java_code[name]["jn_code"].write( """ // native support for java finalize() private static native void delete(long nativeObj); """ ) # native support for java finalize() self.cpp_code.write( \ """ // // native support for java finalize() // static void %(cls)s::delete( __int64 self ) // JNIEXPORT void JNICALL Java_org_opencv_%(module)s_%(j_cls)s_delete(JNIEnv*, jclass, jlong); JNIEXPORT void JNICALL Java_org_opencv_%(module)s_%(j_cls)s_delete (JNIEnv*, jclass, jlong self) { delete (%(cls)s*) self; } """ % {"module" : module, "cls" : name, "j_cls" : ci.jname.replace('_', '_1')} ) if __name__ == "__main__": if len(sys.argv) < 4: print "Usage:\n", \ os.path.basename(sys.argv[0]), \ " [...]" print "Current args are: ", ", ".join(["'"+a+"'" for a in sys.argv]) exit(0) dstdir = "." hdr_parser_path = os.path.abspath(sys.argv[1]) if hdr_parser_path.endswith(".py"): hdr_parser_path = os.path.dirname(hdr_parser_path) sys.path.append(hdr_parser_path) import hdr_parser module = sys.argv[2] srcfiles = sys.argv[3:] #print "Generating module '" + module + "' from headers:\n\t" + "\n\t".join(srcfiles) generator = JavaWrapperGenerator() generator.gen(srcfiles, module, dstdir)