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partial implementation of complex out args in Java wrappers

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This commit is contained in:
Andrey Pavlenko 2011-07-13 14:23:47 +00:00
parent 066039fd15
commit 801079e2ba
7 changed files with 432 additions and 364 deletions
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83
modules/java/gen_java.py
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@ -14,8 +14,8 @@ type_dict = {
"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" : "int", "suffix" : "I" },
"long" : { "j_type" : "int", "jn_type" : "int", "jni_type" : "int", "suffix" : "I" },
"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" },
@ -26,37 +26,37 @@ type_dict = {
"jni_type" : "jlong", #"jni_name" : "*%(n)s",
"suffix" : "J" },
"Point" : { "j_type" : "Point", "jn_args" : (("double", ".x"), ("double", ".y")),
"jni_var" : "cv::Point %(n)s((int)%(n)s_x, (int)%(n)s_y)",
"jni_var" : "Point %(n)s((int)%(n)s_x, (int)%(n)s_y)",
"suffix" : "DD"},
"Point2f" : { "j_type" : "Point", "jn_args" : (("double", ".x"), ("double", ".y")),
"jni_var" : "cv::Point2f %(n)s((float)%(n)s_x, (float)%(n)s_y)",
"jni_var" : "Point2f %(n)s((float)%(n)s_x, (float)%(n)s_y)",
"suffix" : "DD"},
"Point2d" : { "j_type" : "Point", "jn_args" : (("double", ".x"), ("double", ".y")),
"jni_var" : "cv::Point2d %(n)s(%(n)s_x, %(n)s_y)",
"jni_var" : "Point2d %(n)s(%(n)s_x, %(n)s_y)",
"suffix" : "DD"},
"Point3i" : { "j_type" : "Point", "jn_args" : (("double", ".x"), ("double", ".y"), ("double", ".z")),
"jni_var" : "cv::Point3i %(n)s((int)%(n)s_x, (int)%(n)s_y, (int)%(n)s_z)",
"jni_var" : "Point3i %(n)s((int)%(n)s_x, (int)%(n)s_y, (int)%(n)s_z)",
"suffix" : "DDD"},
"Point3f" : { "j_type" : "Point", "jn_args" : (("double", ".x"), ("double", ".y"), ("double", ".z")),
"jni_var" : "cv::Point3f %(n)s((float)%(n)s_x, (float)%(n)s_y, (float)%(n)s_z)",
"jni_var" : "Point3f %(n)s((float)%(n)s_x, (float)%(n)s_y, (float)%(n)s_z)",
"suffix" : "DDD"},
"Point3d" : { "j_type" : "Point", "jn_args" : (("double", ".x"), ("double", ".y"), ("double", ".z")),
"jni_var" : "cv::Point3d %(n)s(%(n)s_x, %(n)s_y, %(n)s_z)",
"jni_var" : "Point3d %(n)s(%(n)s_x, %(n)s_y, %(n)s_z)",
"suffix" : "DDD"},
"Rect" : { "j_type" : "Rect", "jn_args" : (("int", ".x"), ("int", ".y"), ("int", ".width"), ("int", ".height")),
"jni_var" : "cv::Rect %(n)s(%(n)s_x, %(n)s_y, %(n)s_width, %(n)s_height)",
"jni_var" : "Rect %(n)s(%(n)s_x, %(n)s_y, %(n)s_width, %(n)s_height)",
"suffix" : "IIII"},
"Size" : { "j_type" : "Size", "jn_args" : (("double", ".width"), ("double", ".height")),
"jni_var" : "cv::Size %(n)s((int)%(n)s_width, (int)%(n)s_height)",
"jni_var" : "Size %(n)s((int)%(n)s_width, (int)%(n)s_height)",
"suffix" : "DD"},
"Size2f" : { "j_type" : "Size", "jn_args" : (("double", ".width"), ("double", ".height")),
"jni_var" : "cv::Size2f %(n)s((float)%(n)s_width, (float)%(n)s_height)",
"jni_var" : "Size2f %(n)s((float)%(n)s_width, (float)%(n)s_height)",
"suffix" : "DD"},
"RotatedRect": { "j_type" : "RotatedRect", "jn_args" : (("double", ".center.x"), ("double", ".center.y"), ("double", ".size.width"), ("double", ".size.height"), ("double", ".angle")),
"jni_var" : "cv::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_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)",
"suffix" : "DDDDD"},
"Scalar" : { "j_type" : "Scalar", "jn_args" : (("double", ".v0"), ("double", ".v1"), ("double", ".v2"), ("double", ".v3")),
"jni_var" : "cv::Scalar %(n)s(%(n)s_v0, %(n)s_v1, %(n)s_v2, %(n)s_v3)",
"jni_var" : "Scalar %(n)s(%(n)s_v0, %(n)s_v1, %(n)s_v2, %(n)s_v3)",
"suffix" : "DDDD"},
"Range" : { "j_type" : "Range", "jn_args" : (("int", ".start"), ("int", ".end")),
"jni_var" : "cv::Range %(n)s(%(n)s_start, %(n)s_end)",
@ -189,8 +189,9 @@ class JavaWrapperGenerator(object):
print "Duplicated class: " + classinfo.name
sys.exit(-1)
type_dict[classinfo.name] = \
{ "j_type" : classinfo.name, "jn_args" : (("__int64", ".nativeObj"),),
"jni_name" : "(*("+classinfo.name+"*)%(n)s_nativeObj)",
{ "j_type" : classinfo.name,
"jn_type" : "long", "jn_args" : (("__int64", ".nativeObj"),),
"jni_name" : "(*("+classinfo.name+"*)%(n)s_nativeObj)", "jni_type" : "jlong",
"suffix" : "J" }
@ -404,8 +405,7 @@ class JavaWrapperGenerator(object):
# java comment
self.java_code.write( "\n%s// C++: %s\n" % (indent, c_decl) )
# check if we 'know' all the types
type_info = type_dict.get(fi.ctype)
if not (type_info and type_info.get("jn_type")): # unsupported ret type
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)
self.java_code.write( indent + msg )
@ -414,18 +414,18 @@ class JavaWrapperGenerator(object):
return
for a in fi.args:
if a.ctype not in type_dict:
msg = "// Unknown type '%s', skipping the function\n\n" % a.ctype
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)
self.java_code.write( indent + msg )
#self.cpp_code.write( msg )
print "SKIP:", c_decl, "\n\tdue to ARG type", a.ctype, a.out
print "SKIP:", c_decl, "\n\tdue to ARG type", a.ctype, "/" + (a.out or "I")
return
if a.ctype != "Mat" and "jn_args" in type_dict[a.ctype] and a.out: # complex out args not yet supported
msg = "// Unsupported type '%s&', skipping the function\n\n" % a.ctype
msg = "// Unsupported OUT type '%s' (%s), skipping the function\n\n" % (a.ctype, a.out or "I")
self.skipped_func_list.append(c_decl + "\n" + msg)
self.java_code.write( indent + msg )
#self.cpp_code.write( msg )
print "SKIP:", c_decl, "\n\tdue to OUT ARG of type", a.ctype, a.out
print "SKIP:", c_decl, "\n\tdue to OUT ARG of type", a.ctype, "/" + (a.out or "I")
return
self.ported_func_counter += 1
@ -470,7 +470,7 @@ class JavaWrapperGenerator(object):
jn_code.write( Template(\
"${indent}private static native $jn_type $jn_name($jn_args);\n").substitute(\
indent = indent, \
jn_type = type_dict[fi.ctype]["jn_type"], \
jn_type = type_dict[fi.ctype].get("jn_type", "double[]"), \
jn_name = fi.jn_name, \
jn_args = ", ".join(["%s %s" % (type_dict[a.ctype]["jn_type"], a.name.replace(".","_")) for a in jn_args])
) );
@ -497,6 +497,8 @@ class JavaWrapperGenerator(object):
elif fi.ctype in self.classes: # wrapped class
impl_code = "return new %s( $jn_name($jn_args_call) );" % \
self.classes[fi.ctype].jname
elif "jn_type" not in type_dict[fi.ctype]:
impl_code = "return new "+type_dict[fi.ctype]["j_type"]+"( $jn_name($jn_args_call) );"
static = "static"
if fi.classname:
@ -518,25 +520,35 @@ class JavaWrapperGenerator(object):
) )
# cpp part:
# jni_func(..) { return cv_func(..); }
ret = "return "
ext = ""
# jni_func(..) { _retval_ = cv_func(..); return _retval_; }
ret = "return _retval_;"
default = "return 0;"
if fi.ctype == "void":
ret = ""
default = ""
ret = "return;"
default = "return;"
elif not fi.ctype: # c-tor
ret = "return (jlong) _retval_;"
elif fi.ctype == "string":
ret = "return env->NewStringUTF"
ext = ".c_str()"
ret = "return env->NewStringUTF(_retval_.c_str());"
default = 'return env->NewStringUTF("");'
elif fi.ctype in self.classes: # wrapped class:
ret = "return (jlong) new " + self.classes[fi.ctype].jname
ret = "return (jlong) new %s(_retval_);" % fi.ctype
elif "jni_type" not in type_dict[fi.ctype]: # jdoubleArray
ret = "double _tmp_[6]; " + \
"/* "+fi.ctype+"_to_double6(_retval_, _tmp_); */" + \
"jdoubleArray _da_ = env->NewDoubleArray(6); " + \
"env->SetDoubleArrayRegion(_da_, 0, 6, _tmp_); " + \
"return _da_;"
cvname = "cv::" + fi.name
j2cvargs = []
retval = fi.ctype + " _retval_ = "
if fi.ctype == "void":
retval = ""
if fi.classname:
if not fi.ctype: # c-tor
cvname = "(jlong) new " + fi.classname
retval = fi.classname + "* _retval_ = "
cvname = "new " + fi.classname
elif fi.static:
cvname = "%s::%s" % (fi.classname, fi.name)
else:
@ -551,7 +563,7 @@ class JavaWrapperGenerator(object):
if "jni_var" in type_dict[a.ctype]: # complex type
j2cvargs.append(type_dict[a.ctype]["jni_var"] % {"n" : a.name} + ";")
rtype = type_dict[fi.ctype]["jni_type"]
rtype = type_dict[fi.ctype].get("jni_type", "jdoubleArray")
self.cpp_code.write ( Template( \
"""
@ -563,7 +575,8 @@ JNIEXPORT $rtype JNICALL Java_org_opencv_${module}_$fname
LOGD("$module::$fname()");
#endif // DEBUG
$j2cv
$ret( $cvname( $cvargs )$ext );
$retval$cvname( $cvargs );
$ret
} catch(cv::Exception e) {
#ifdef DEBUG
LOGD("$module::$fname() catched cv::Exception: %s", e.what());
@ -592,8 +605,8 @@ JNIEXPORT $rtype JNICALL Java_org_opencv_${module}_$fname
ret = ret, \
cvname = cvname, \
cvargs = ", ".join([a for a in cvargs]), \
ext = ext, \
default = default
default = default, \
retval = retval, \
) )
# processing args with default values

8
modules/java/src/java/Point.java
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@ -14,6 +14,14 @@ public class Point {
this(0, 0);
}
public Point(double[] vals) {
this();
if(vals!=null) {
x = vals.length>0 ? vals[0] : 0;
y = vals.length>1 ? vals[1] : 0;
}
}
public Point clone() {
return new Point(x, y);
}

9
modules/java/src/java/Point3.java
View File

@ -21,6 +21,15 @@ public class Point3 {
z = 0;
}
public Point3(double[] vals) {
this();
if(vals!=null) {
x = vals.length>0 ? vals[0] : 0;
y = vals.length>1 ? vals[1] : 0;
z = vals.length>2 ? vals[2] : 0;
}
}
public Point3 clone() {
return new Point3(x, y, z);
}

10
modules/java/src/java/Rect.java
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@ -27,6 +27,16 @@ public class Rect {
this((int)p.x, (int)p.y, (int)s.width, (int)s.height);
}
public Rect(double[] vals) {
this();
if(vals!=null) {
x = vals.length>0 ? (int)vals[0] : 0;
y = vals.length>1 ? (int)vals[1] : 0;
width = vals.length>2 ? (int)vals[2] : 0;
height = vals.length>3 ? (int)vals[3] : 0;
}
}
public Rect clone() {
return new Rect(x, y, width, height);
}

11
modules/java/src/java/RotatedRect.java
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@ -17,6 +17,17 @@ public class RotatedRect {
this.angle = a;
}
public RotatedRect(double[] vals) {
this();
if(vals!=null) {
center.x = vals.length>0 ? (int)vals[0] : 0;
center.x = vals.length>1 ? (int)vals[1] : 0;
size.width = vals.length>2 ? (int)vals[2] : 0;
size.height = vals.length>3 ? (int)vals[3] : 0;
angle = vals.length>4 ? (int)vals[4] : 0;
}
}
public void points(Point pt[])
{
double _angle = angle*Math.PI/180.0;

9
modules/java/src/java/Scalar.java
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@ -24,6 +24,15 @@ public class Scalar {
this(v0, 0, 0, 0);
}
public Scalar(double[] vals) {
if(vals!=null) {
v0 = vals.length>0 ? (int)vals[0] : 0;
v1 = vals.length>1 ? (int)vals[1] : 0;
v2 = vals.length>2 ? (int)vals[2] : 0;
v3 = vals.length>3 ? (int)vals[3] : 0;
}
}
public static Scalar all(double v) {
return new Scalar(v, v, v, v);
}

8
modules/java/src/java/Size.java
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@ -19,6 +19,14 @@ public class Size {
height = (double) p.y;
}
public Size(double[] vals) {
this();
if(vals!=null) {
width = vals.length>0 ? vals[0] : 0;
height = vals.length>1 ? vals[1] : 0;
}
}
public double area() {
return width * height;
}