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opencv/modules/java/generator/gen_java.py

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#!/usr/bin/env python
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",
)
const_ignore_list = (
"CV_CAP_OPENNI",
"CV_CAP_PROP_OPENNI_",
"CV_CAP_INTELPERC",
"CV_CAP_PROP_INTELPERC_"
"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_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_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<Point> %(n)s", "suffix" : "J" },
"vector_Point2f" : { "j_type" : "MatOfPoint2f", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector<Point2f> %(n)s", "suffix" : "J" },
#"vector_Point2d" : { "j_type" : "MatOfPoint2d", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector<Point2d> %(n)s", "suffix" : "J" },
"vector_Point3i" : { "j_type" : "MatOfPoint3", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector<Point3i> %(n)s", "suffix" : "J" },
"vector_Point3f" : { "j_type" : "MatOfPoint3f", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector<Point3f> %(n)s", "suffix" : "J" },
#"vector_Point3d" : { "j_type" : "MatOfPoint3d", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector<Point3d> %(n)s", "suffix" : "J" },
"vector_KeyPoint" : { "j_type" : "MatOfKeyPoint", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector<KeyPoint> %(n)s", "suffix" : "J" },
"vector_DMatch" : { "j_type" : "MatOfDMatch", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector<DMatch> %(n)s", "suffix" : "J" },
"vector_Rect" : { "j_type" : "MatOfRect", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector<Rect> %(n)s", "suffix" : "J" },
"vector_uchar" : { "j_type" : "MatOfByte", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector<uchar> %(n)s", "suffix" : "J" },
"vector_char" : { "j_type" : "MatOfByte", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector<char> %(n)s", "suffix" : "J" },
"vector_int" : { "j_type" : "MatOfInt", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector<int> %(n)s", "suffix" : "J" },
"vector_float" : { "j_type" : "MatOfFloat", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector<float> %(n)s", "suffix" : "J" },
"vector_double" : { "j_type" : "MatOfDouble", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector<double> %(n)s", "suffix" : "J" },
"vector_Vec4i" : { "j_type" : "MatOfInt4", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector<Vec4i> %(n)s", "suffix" : "J" },
"vector_Vec4f" : { "j_type" : "MatOfFloat4", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector<Vec4f> %(n)s", "suffix" : "J" },
"vector_Vec6f" : { "j_type" : "MatOfFloat6", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector<Vec6f> %(n)s", "suffix" : "J" },
"vector_Mat" : { "j_type" : "List<Mat>", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector<Mat> %(n)s", "suffix" : "J" },
"vector_vector_KeyPoint": { "j_type" : "List<MatOfKeyPoint>", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector< vector<KeyPoint> > %(n)s" },
"vector_vector_DMatch" : { "j_type" : "List<MatOfDMatch>", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector< vector<DMatch> > %(n)s" },
"vector_vector_char" : { "j_type" : "List<MatOfByte>", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector< vector<char> > %(n)s" },
"vector_vector_Point" : { "j_type" : "List<MatOfPoint>", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector< vector<Point> > %(n)s" },
"vector_vector_Point2f" : { "j_type" : "List<MatOfPoint2f>", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector< vector<Point2f> > %(n)s" },
"vector_vector_Point3f" : { "j_type" : "List<MatOfPoint3f>", "jn_type" : "long", "jni_type" : "jlong", "jni_var" : "vector< vector<Point3f> > %(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) {
jint jbaseLine = (jint)(*pbaseLine);
env->SetIntArrayRegion(baseLine, 0, 1, &jbaseLine);
}
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
'VideoCapture' :
{
"getSupportedPreviewSizes" :
{
'j_code' :
"""
public java.util.List<org.opencv.core.Size> getSupportedPreviewSizes()
{
String[] sizes_str = getSupportedPreviewSizes_0(nativeObj).split(",");
java.util.List<org.opencv.core.Size> sizes = new java.util.ArrayList<org.opencv.core.Size>(sizes_str.length);
for (String str : sizes_str) {
String[] wh = str.split("x");
sizes.add(new org.opencv.core.Size(Double.parseDouble(wh[0]), Double.parseDouble(wh[1])));
}
return sizes;
}
""",
'jn_code' :
"""\n private static native String getSupportedPreviewSizes_0(long nativeObj);\n""",
'cpp_code' :
"""
JNIEXPORT jstring JNICALL Java_org_opencv_highgui_VideoCapture_getSupportedPreviewSizes_10
(JNIEnv *env, jclass, jlong self);
JNIEXPORT jstring JNICALL Java_org_opencv_highgui_VideoCapture_getSupportedPreviewSizes_10
(JNIEnv *env, jclass, jlong self)
{
static const char method_name[] = "highgui::VideoCapture_getSupportedPreviewSizes_10()";
try {
LOGD("%s", method_name);
VideoCapture* me = (VideoCapture*) self; //TODO: check for NULL
union {double prop; const char* name;} u;
u.prop = me->get(CV_CAP_PROP_SUPPORTED_PREVIEW_SIZES_STRING);
return env->NewStringUTF(u.name);
} catch(const std::exception &e) {
throwJavaException(env, &e, method_name);
} catch (...) {
throwJavaException(env, 0, method_name);
}
return env->NewStringUTF("");
}
""",
}, # getSupportedPreviewSizes
}, # VideoCapture
}
# { 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
def getLibVersion(version_hpp_path):
version_file = open(version_hpp_path, "rt").read()
epoch = re.search("^W*#\W*define\W+CV_VERSION_EPOCH\W+(\d+)\W*$", version_file, re.MULTILINE).group(1)
major = re.search("^W*#\W*define\W+CV_VERSION_MAJOR\W+(\d+)\W*$", version_file, re.MULTILINE).group(1)
minor = re.search("^W*#\W*define\W+CV_VERSION_MINOR\W+(\d+)\W*$", version_file, re.MULTILINE).group(1)
revision = re.search("^W*#\W*define\W+CV_VERSION_REVISION\W+(\d+)\W*$", version_file, re.MULTILINE).group(1)
return (epoch, major, minor, revision)
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 } )
if class_name == 'Core':
(epoch, major, minor, revision) = getLibVersion(
(os.path.dirname(__file__) or '.') + '/../../core/include/opencv2/core/version.hpp')
version_str = '.'.join( (epoch, major, minor, revision) )
version_suffix = ''.join( (epoch, major, minor) )
self.classes[class_name].imports.add("java.lang.String")
self.java_code[class_name]["j_code"].write("""
// these constants are wrapped inside functions to prevent inlining
private static String getVersion() { return "%(v)s"; }
private static String getNativeLibraryName() { return "opencv_java%(vs)s"; }
private static int getVersionEpoch() { return %(ep)s; }
private static int getVersionMajor() { return %(ma)s; }
private static int getVersionMinor() { return %(mi)s; }
private static int getVersionRevision() { return %(re)s; }
public static final String VERSION = getVersion();
public static final String NATIVE_LIBRARY_NAME = getNativeLibraryName();
public static final int VERSION_EPOCH = getVersionEpoch();
public static final int VERSION_MAJOR = getVersionMajor();
public static final int VERSION_MINOR = getVersionMinor();
public static final int VERSION_REVISION = getVersionRevision();
""" % { 'v' : version_str, 'vs' : version_suffix, 'ep' : epoch, 'ma' : major, 'mi' : minor, 're' : revision } )
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(Template("""
//
// This file is auto-generated, please don't edit!
//
#define LOG_TAG "org.opencv.$m"
#include "common.h"
#include "opencv2/opencv_modules.hpp"
#ifdef HAVE_OPENCV_$M
#include "opencv2/$m/$m.hpp"
using namespace cv;
/// throw java exception
static void throwJavaException(JNIEnv *env, const std::exception *e, const char *method) {
std::string what = "unknown exception";
jclass je = 0;
if(e) {
std::string exception_type = "std::exception";
if(dynamic_cast<const cv::Exception*>(e)) {
exception_type = "cv::Exception";
je = env->FindClass("org/opencv/core/CvException");
}
what = exception_type + ": " + e->what();
}
if(!je) je = env->FindClass("java/lang/Exception");
env->ThrowNew(je, what.c_str());
LOGE("%s caught %s", method, what.c_str());
(void)method; // avoid "unused" warning
}
extern "C" {
""").substitute( m = module, M = module.upper() ) )
# 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\n#endif // HAVE_OPENCV_%s\n' % module.upper() )
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.strip(), "\t due 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.strip(), "\t due 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<Mat> %(n)s_tmplm = new ArrayList<Mat>((%(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.out and not "jni_var" in type_dict[a.ctype]:
# explicit cast to C type to avoid ambiguous call error on platforms (mingw)
# where jni types are different from native types (e.g. jint is not the same as int)
jni_name = "(%s)%s" % (a.ctype, jni_name)
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
($args)
{
static const char method_name[] = "$module::$fname()";
try {
LOGD("%s", method_name);
$prologue
$retval$cvname( $cvargs );
$epilogue$ret
} catch(const std::exception &e) {
throwJavaException(env, &e, method_name);
} catch (...) {
throwJavaException(env, 0, method_name);
}
$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) + ("\n " if c_epilogue else ""), \
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]), \
"<full path to hdr_parser.py> <module name> <C++ header> [<C++ header>...]"
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
if (sys.argv[2] == "-android"):
class_ignore_list += ("VideoCapture",)
ManualFuncs.pop("VideoCapture")
module = sys.argv[3]
srcfiles = sys.argv[4:]
else:
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)