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Added new module for Java API

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pull/13383/head
Andrey Kamaev 14 years ago
parent f0624c08dc
commit b5d73111eb
17 changed files with 2118 additions and 1 deletions
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  1. 2
      android/CMakeCache.android.initial.cmake
  2. 1
      modules/CMakeLists.txt
  3. 99
      modules/java/CMakeLists.txt
  4. 7
      modules/java/android/.classpath
  5. 33
      modules/java/android/.project
  6. 15
      modules/java/android/AndroidManifest.xml
  7. 12
      modules/java/android/default.properties
  8. 558
      modules/java/gen_java.py
  9. 583
      modules/java/srccpp/Mat.cpp
  10. 81
      modules/java/srccpp/utils.cpp
  11. 408
      modules/java/srcjava/Mat.java
  12. 47
      modules/java/srcjava/Point.java
  13. 56
      modules/java/srcjava/Point3.java
  14. 76
      modules/java/srcjava/Rect.java
  15. 73
      modules/java/srcjava/Scalar.java
  16. 49
      modules/java/srcjava/Size.java
  17. 19
      modules/java/srcjava/utils.java

2
android/CMakeCache.android.initial.cmake
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@ -97,4 +97,4 @@ SET( ENABLE_SSE42 OFF CACHE INTERNAL "" FORCE )
SET( ENABLE_SSSE3 OFF CACHE INTERNAL "" FORCE ) SET( ENABLE_SSSE3 OFF CACHE INTERNAL "" FORCE )
#Set output folder to ${CMAKE_BINARY_DIR} #Set output folder to ${CMAKE_BINARY_DIR}
set( LIBRARY_OUTPUT_PATH_ROOT ${CMAKE_BINARY_DIR} CACHE PATH "root for library output, set this to change where android libs are installed to" ) set( LIBRARY_OUTPUT_PATH_ROOT ${CMAKE_BINARY_DIR} CACHE PATH "root for library output, set this to change where android libs are compiled to" )

1
modules/CMakeLists.txt
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@ -5,6 +5,7 @@ if(ANDROID)
endif() endif()
add_subdirectory(androidcamera) add_subdirectory(androidcamera)
add_subdirectory(java)
endif() endif()
add_subdirectory(calib3d) add_subdirectory(calib3d)

99
modules/java/CMakeLists.txt
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@ -0,0 +1,99 @@
# ----------------------------------------------------------------------------
# CMake file for java support
# ----------------------------------------------------------------------------
project(opencv_java)
SET(OPENCV_JAVA_MODULES objdetect features2d imgproc video highgui ml core)
SET(OPENCV_EXTRA_JAVA_MODULES calib3d contrib legacy flann)
IF(ANDROID AND NOT BUILD_SHARED_LIBS)
LIST(APPEND OPENCV_EXTRA_JAVA_MODULES androidcamera)
ENDIF()
SET(GEN_JAVA "${CMAKE_CURRENT_SOURCE_DIR}/gen_java.py")
SET(HDR_PARSER "${CMAKE_CURRENT_SOURCE_DIR}/../python/src2/hdr_parser.py")
foreach(module ${OPENCV_JAVA_MODULES})
IF(${module} STREQUAL core)
SET (module_cppheaders "${CMAKE_CURRENT_SOURCE_DIR}/../${module}/include/opencv2/${module}/${module}.hpp")
SET (module_cheaders "")
ELSE()
FILE(GLOB module_cheaders "${CMAKE_CURRENT_SOURCE_DIR}/../${module}/include/opencv2/${module}/*.h")
FILE(GLOB module_cppheaders "${CMAKE_CURRENT_SOURCE_DIR}/../${module}/include/opencv2/${module}/*.hpp")
ENDIF()
list(SORT module_cheaders)
list(SORT module_cppheaders)
add_custom_command(
OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${module}.java
OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${module}.cpp
COMMAND ${PYTHON_EXECUTABLE} -B "${GEN_JAVA}" "${HDR_PARSER}" ${module} ${module_cheaders} ${module_cppheaders}
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
DEPENDS ${GEN_JAVA}
DEPENDS ${HDR_PARSER}
DEPENDS ${module_headers}
)
endforeach()
set(target "opencv_java")
include_directories("${CMAKE_CURRENT_BINARY_DIR}")
FILE(GLOB handwrittren_cpp_sources "${CMAKE_CURRENT_SOURCE_DIR}/srccpp/*.cpp")
SET (generated_cpp_sources "")
SET (generated_java_sources "")
SET (dependent_libs "")
SET (dependent_extra_libs "")
foreach(module ${OPENCV_JAVA_MODULES})
LIST(APPEND generated_cpp_sources "${CMAKE_CURRENT_BINARY_DIR}/${module}.cpp")
LIST(APPEND generated_java_sources "${CMAKE_CURRENT_BINARY_DIR}/${module}.java")
LIST(APPEND dependent_libs opencv_${module})
include_directories("${CMAKE_CURRENT_SOURCE_DIR}/../${module}/include")
endforeach()
foreach(module ${OPENCV_EXTRA_JAVA_MODULES})
LIST(APPEND dependent_extra_libs opencv_${module})
include_directories("${CMAKE_CURRENT_SOURCE_DIR}/../${module}/include")
endforeach()
#SET (CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -L/home/andreyk/OpenCV2/trunk/opencv/android/build/libs/armeabi-v7a")
add_library(${target} SHARED ${handwrittren_cpp_sources} ${generated_cpp_sources})
target_link_libraries(${target} ${dependent_libs} ${dependent_extra_libs} ${OPENCV_LINKER_LIBS})
if(ANDROID)
target_link_libraries(${target} jnigraphics)
endif()
#add_dependencies(${the_target} ${dependent_extra_libs} ${dependent_libs})
# Additional target properties
set_target_properties(${target} PROPERTIES
OUTPUT_NAME "${target}"
ARCHIVE_OUTPUT_DIRECTORY ${LIBRARY_OUTPUT_PATH}
RUNTIME_OUTPUT_DIRECTORY ${EXECUTABLE_OUTPUT_PATH}
INSTALL_NAME_DIR lib
)
add_custom_target(opecv_java_api ALL DEPENDS ${target})
IF(ANDROID)
# create Android library project in build folder
add_custom_command(TARGET opecv_java_api COMMAND ${CMAKE_COMMAND} -E make_directory "${CMAKE_BINARY_DIR}/res")
FILE(GLOB android_lib_project_files "${CMAKE_CURRENT_SOURCE_DIR}/android/*")
foreach(lib_file ${android_lib_project_files})
if(NOT IS_DIRECTORY ${lib_file})
add_custom_command(TARGET opecv_java_api COMMAND ${CMAKE_COMMAND} -E copy "${lib_file}" "${CMAKE_BINARY_DIR}" DEPENDS "${lib_file}")
endif()
endforeach()
ENDIF()
FILE(GLOB java_project_files "${CMAKE_CURRENT_SOURCE_DIR}/srcjava/*.java")
SET(JAVA_OUTPUT_DIR "${CMAKE_BINARY_DIR}/src/org/opencv")
add_custom_command(TARGET opecv_java_api COMMAND ${CMAKE_COMMAND} -E make_directory "${JAVA_OUTPUT_DIR}")
foreach(java_file ${java_project_files} ${generated_java_sources})
add_custom_command(TARGET opecv_java_api COMMAND ${CMAKE_COMMAND} -E copy "${java_file}" "${JAVA_OUTPUT_DIR}" DEPENDS "${java_file}" DEPENDS "${JAVA_OUTPUT_DIR}")
endforeach()

7
modules/java/android/.classpath
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@ -0,0 +1,7 @@
<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="src" path="src"/>
<classpathentry kind="src" path="gen"/>
<classpathentry kind="con" path="com.android.ide.eclipse.adt.ANDROID_FRAMEWORK"/>
<classpathentry kind="output" path="bin"/>
</classpath>

33
modules/java/android/.project
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@ -0,0 +1,33 @@
<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>OpenCVJavaAPI</name>
<comment></comment>
<projects>
</projects>
<buildSpec>
<buildCommand>
<name>com.android.ide.eclipse.adt.ResourceManagerBuilder</name>
<arguments>
</arguments>
</buildCommand>
<buildCommand>
<name>com.android.ide.eclipse.adt.PreCompilerBuilder</name>
<arguments>
</arguments>
</buildCommand>
<buildCommand>
<name>org.eclipse.jdt.core.javabuilder</name>
<arguments>
</arguments>
</buildCommand>
<buildCommand>
<name>com.android.ide.eclipse.adt.ApkBuilder</name>
<arguments>
</arguments>
</buildCommand>
</buildSpec>
<natures>
<nature>com.android.ide.eclipse.adt.AndroidNature</nature>
<nature>org.eclipse.jdt.core.javanature</nature>
</natures>
</projectDescription>

15
modules/java/android/AndroidManifest.xml
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@ -0,0 +1,15 @@
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="org.opencv.JavaAPI"
android:versionCode="1"
android:versionName="1.0">
<application android:label="OpenCVJavaAPI">
<activity android:name="OpenCVJavaAPI"
android:label="OpenCVJavaAPI">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>

12
modules/java/android/default.properties
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@ -0,0 +1,12 @@
# This file is automatically generated by Android Tools.
# Do not modify this file -- YOUR CHANGES WILL BE ERASED!
#
# This file must be checked in Version Control Systems.
#
# To customize properties used by the Ant build system use,
# "build.properties", and override values to adapt the script to your
# project structure.
android.library=true
# Project target.
target=android-8

558
modules/java/gen_java.py
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@ -0,0 +1,558 @@
import sys, re, os.path
from string import Template
try:
from cStringIO import StringIO
except:
from StringIO import StringIO
ctype2j = {
# c : (j, jn, jni, jni code)
"" : ("", "long", "jlong", ""), # c-tor
"void" : ("void", "void", "void", ""),
"bool" : ("boolean", "boolean","jboolean", "Z"),
"int" : ("int", "int", "jint", "I"),
"long" : ("int", "int", "jint", "I"),
"float" : ("float", "float", "jfloat", "F"),
"double" : ("double", "double", "jdouble", "D"),
"size_t" : ("long", "long", "jlong", "J"),
"env" : ("", "", "JNIEnv*", ""), # dummy 'env'
"cls" : ("", "", "jclass", ""), # dummy 'cls'
#
"Mat" : ("Mat", (("size_t", ".nativeObj"),), "*%(n)s", "J"),
"Point" : ("Point", (("double", ".x"), ("double", ".y")), "cv::Point((int)%(n)s_x, (int)%(n)s_y)", "DD"),
"Point2f" : ("Point", (("double", ".x"), ("double", ".y")), "cv::Point2f((float)%(n)s_x, (float)%(n)s_y)", "DD"),
"Point2d" : ("Point", (("double", ".x"), ("double", ".y")), "cv::Point2d(%(n)s_x, %(n)s_y)", "DD"),
"Point3i" : ("Point", (("double", ".x"), ("double", ".y"), ("double", ".z")),\
"cv::Point3i((int)%(n)s_x, (int)%(n)s_y, (int)%(n)s_z)", "DDD"),
"Point3f" : ("Point", (("double", ".x"), ("double", ".y"), ("double", ".z")),\
"cv::Point3f((float)%(n)s_x, (float)%(n)s_y, (float)%(n)s_z)", "DDD"),
"Point3d" : ("Point", (("double", ".x"), ("double", ".y"), ("double", ".z")),\
"cv::Point3d(%(n)s_x, %(n)s_y, %(n)s_z)", "DDD"),
"Rect" : ("Rect", (("int", ".x"), ("int", ".y"), ("int", ".width"), ("int", ".height")), \
"cv::Rect(%(n)s_x, %(n)s_y, %(n)s_width, %(n)s_height)", "IIII"),
"Size" : ("Size", (("int", ".width"), ("int", ".height")), "cv::Size(%(n)s_width, %(n)s_height)", "II"),
"Scalar" : ("Scalar", (("double", ".v0"), ("double", ".v1"), ("double", ".v2"), ("double", ".v3")),\
"cv::Scalar(%(n)s_v0, %(n)s_v1, %(n)s_v2, %(n)s_v3)", "DDDD"),
}
class ConstInfo(object):
def __init__(self, cname, name, val):
## self.name = re.sub(r"^cv\.", "", name).replace(".", "_")
self.cname = cname
self.name = re.sub(r"^Cv", "", name)
#self.name = re.sub(r"([a-z])([A-Z])", r"\1_\2", name)
#self.name = self.name.upper()
self.value = val
class ClassInfo(object):
def __init__(self, decl): # [ 'class/struct cname', [bases], [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.jname = re.sub(r"^Cv", "", self.jname)
self.methods = {}
self.consts = [] # using a list to save the occurence order
for m in decl[2]:
if m.startswith("="):
self.jname = m[1:]
class ArgInfo(object):
def __init__(self, arg_tuple): # [ ctype, name, def val, [mod], argno ]
self.ctype = arg_tuple[0]
self.name = arg_tuple[1]
self.defval = arg_tuple[2]
self.out = "/O" in arg_tuple[3] or "/IO" in arg_tuple[3]
## def isbig(self):
## return self.ctype == "Mat" or self.ctype == "vector_Mat"
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.jn_name = "n_" + self.jname
self.jni_name= re.sub(r"_", "_1", self.jn_name)
if self.classname:
self.jni_name = "00024" + self.classname + "_" + self.jni_name
self.static = ["","static"][ "/S" in decl[2] ]
self.ctype = decl[1] or ""
self.args = []
self.jni_suffix = "__"
if self.classname and self.ctype and not self.static: # non-static class methods except c-tors
self.jni_suffix += "J" # artifical 'self'
for a in decl[3]:
ai = ArgInfo(a)
self.args.append(ai)
self.jni_suffix += ctype2j.get(ai.ctype, ["","","",""])[3]
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.funcs = {}
self.consts = [] # using a list to save the occurence order
self.module = ""
self.java_code = StringIO()
self.cpp_code = StringIO()
self.ported_func_counter = 0
self.func_counter = 0
def add_class(self, decl):
classinfo = ClassInfo(decl)
if classinfo.name in self.classes:
print "Generator error: class %s (%s) is duplicated" % \
(classinfo.name, classinfo.cname)
sys.exit(-1)
self.classes[classinfo.name] = classinfo
if classinfo.name in ctype2j:
print "Duplicated class: " + classinfo.name
sys.exit(-1)
ctype2j[classinfo.name] = (classinfo.jname, (("size_t", ".nativeObj"),), "*%(n)s", "J")
def add_const(self, decl): # [ "const cname", val, [], [] ]
consts = self.consts
name = decl[0].replace("const ", "").strip()
name = re.sub(r"^cv\.", "", name)
cname = name.replace(".", "::")
# check if it's a class member
dpos = name.rfind(".")
if dpos >= 0:
classname = name[:dpos]
name = name[dpos+1:]
if classname in self.classes:
consts = self.classes[classname].consts
else:
# this class isn't wrapped
# skipping this const
return
constinfo = ConstInfo(cname, name, decl[1])
# checking duplication
for c in consts:
if c.name == constinfo.name:
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)
func_map = self.funcs
classname = ffi.funcs[0].classname
if classname:
if classname in self.classes:
func_map = self.classes[classname].methods
else:
print "Generator error: the class %s for method %s is missing" % \
(classname, ffi.jname)
sys.exit(-1)
if ffi.jname in func_map:
func_map[ffi.jname].add_func(ffi.funcs[0])
else:
func_map[ffi.jname] = ffi
def save(self, path, name, buf):
f = open(path + "/" + name, "wt")
f.write(buf.getvalue())
f.close()
def gen(self, srcfiles, module, output_path):
self.clear()
self.module = module
parser = hdr_parser.CppHeaderParser()
# step 1: 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)
pass
elif name.startswith("const"):
self.add_const(decl)
else: # function
self.add_func(decl)
pass
# java module header
self.java_code.write(\
"""package org.opencv;
public class %(module)s {
//Load the native jni library
static {
System.loadLibrary("opencv_java");
}
public static final int
CV_8U = 0,
CV_8S = 1,
CV_16U = 2,
CV_16S = 3,
CV_32S = 4,
CV_32F = 5,
CV_64F = 6,
CV_USRTYPE1 = 7,
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;
""" % {"module" : module} )
# cpp module header
self.cpp_code.write(\
"""// This file is auto-generated, please don't edit!
#include <jni.h>
""" % {"module" : module})
self.cpp_code.write( "\n".join(['#include "opencv2/%s/%s"' % (module, os.path.basename(f)) \
for f in srcfiles]) )
self.cpp_code.write("\n\n")
# step 2: generate the code for global constants
self.gen_consts()
# step 3: generate the code for all the global functions
self.gen_funcs()
# step 4: generate code for the classes
#self.gen_classes() # !!! tempory disabled !!!
# java module tail
self.java_code.write("}\n")
self.save(output_path, module+".java", self.java_code)
self.save(output_path, module+".cpp", self.cpp_code)
print "Done %i of %i funcs." % (self.ported_func_counter, self.func_counter)
def gen_consts(self):
# generate the code for global constants
if self.consts:
self.java_code.write("""
public static final int
""" + """,
""".join(["%s = %s" % (c.name, c.value) for c in self.consts]) + \
";\n\n")
def gen_func(self, fi, isoverload):
self.func_counter += 1
# java part & cpp part:
# // c_decl
# e.g:
# // void add(Mat src1, Mat src2, Mat dst, Mat mask = Mat(), int dtype = -1)
c_decl = "%s %s %s(%s)" % \
( fi.static, fi.ctype, fi.cname, \
", ".join(a.ctype + " " + a.name + [""," = "+a.defval][bool(a.defval)] for a in fi.args) )
indent = ""
if fi.classname:
indent = " " * 4
self.java_code.write( "\n %s// %s\n" % (indent, c_decl) )
self.cpp_code.write( "\n//\n//%s\n//\n" % c_decl )
# check if we 'know' all the types
if fi.ctype and fi.ctype!="Mat" and fi.ctype[0].isupper(): # ret val is class, NYI (TODO!)
self.java_code.write( " %s// Return type '%s' is not yet supported, skipping the function\n\n"\
% (indent, fi.ctype) )
print "SKIP:", c_decl, "\n\tdue to RET type", fi.ctype
return
types = [fi.ctype]
types.extend([a.ctype for a in fi.args])
for t in types:
if t not in ctype2j:
self.java_code.write( " %s// Unknown type '%s', skipping the function\n\n" % (indent, t) )
print "SKIP:", c_decl, "\n\tdue to ARG type", t
return
for a in fi.args:
if a.ctype[0].isupper() and a.ctype != "Mat" and a.out: # C++ reference to a class (gcc disallows temp obj reference)
self.java_code.write( " %s// Unknown type '%s&', skipping the function\n\n" % (indent, t) )
print "SKIP:", c_decl, "\n\tdue to ARG type", a.ctype + "&"
return
if fi.cname == "minEnclosingCircle":
self.java_code.write( " %s// Temporary skipping the function %s\n\n" % (indent, fi.cname) )
print "SKIP:", c_decl, "\n\tdue to Temporary filtering"
return
self.ported_func_counter += 1
# java args
args = fi.args[:]
if args and args[-1].defval:
isoverload = True
suffix = fi.jni_suffix
while True:
# java native method args
jn_args = []
if fi.classname and fi.ctype and not fi.static: # non-static class method except c-tor
jn_args.append(ArgInfo([ "size_t", "nativeObj", "", [], "" ])) # adding 'this'
for a in args:
if a.ctype[0].isupper(): # Point/Rect/...
#"Point" : ("Point", [["int", ".x"], ["int", ".y"]], ...)
fields = ctype2j[a.ctype][1]
for f in fields:
jn_args.append( ArgInfo([ f[0], a.name + f[1], "", [], "" ]) )
else:
jn_args.append(a)
# jni (cpp) function args
jni_args = [ArgInfo([ "env", "env", "", [], "" ]), ArgInfo([ "cls", "cls", "", [], "" ])]
if fi.classname and fi.ctype and not fi.static:
jni_args.append(ArgInfo([ "size_t", "self", "", [], "" ]))
for a in args:
if a.ctype[0].isupper(): # Point/Rect/...
#"Point" : ("Point", [["int", ".x"], ["int", ".y"]], ...)
fields = ctype2j[a.ctype][1]
for f in fields:
jni_args.append( ArgInfo([ f[0], a.name + f[1].replace(".","_"), "", [], "" ]) )
else:
jni_args.append(a)
# java part:
# private java NATIVE method decl
# e.g.
# private static native void n_add(long src1, long src2, long dst, long mask, int dtype);
jn_type = ""
if fi.ctype == "Mat":
jn_type = "long"
elif fi.ctype[0].isupper():
jn_type = "NYI" # TODO: NYI
else:
jn_type = ctype2j[fi.ctype][1]
self.java_code.write( Template(\
" ${indent}private static native $jn_type $jn_name($jn_args);\n").substitute(\
indent = indent, \
jn_type=jn_type, \
jn_name=fi.jn_name, \
jn_args=", ".join(["%s %s" % (ctype2j[a.ctype][1], a.name.replace(".","_")) for a in jn_args])
) );
# java part:
# 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 )
# { n_add( src1.nativeObj, src2.nativeObj, dst.nativeObj, mask.nativeObj, dtype ); }
impl_code = " return $jn_name($jn_args_call); "
if fi.ctype == "void":
impl_code = " $jn_name($jn_args_call); "
elif fi.ctype == "": # c-tor
impl_code = " nativeObj = $jn_name($jn_args_call); "
elif fi.ctype in self.classes: # wrapped class
impl_code = " return new %s( $jn_name($jn_args_call) ); " % \
self.classes[fi.ctype].jname
static = "static"
if fi.classname:
static = fi.static
self.java_code.write( Template(\
" ${indent}public $static $j_type $j_name($j_args)").substitute(\
indent = indent, \
static=static, \
j_type=ctype2j[fi.ctype][0], \
j_name=fi.jname, \
j_args=", ".join(["%s %s" % (ctype2j[a.ctype][0], a.name) for a in args]) \
) )
self.java_code.write( Template("\n $indent{ " + impl_code + " }\n").substitute(\
indent = indent, \
jn_name=fi.jn_name, \
jn_args_call=", ".join([a.name + ["",".nativeObj"][ctype2j[a.ctype][0]=="Mat"] for a in jn_args])\
) )
# cpp part:
# jni_func(..) { return cv_func(..); }
ret = "return "
if fi.ctype == "void":
ret = ""
elif fi.ctype == "Mat":
ret = "return (jlong) new cv::Mat"
elif fi.ctype[0].isupper():
ret = NYI # NYI
cvname = "cv::" + fi.name
j2cvargs = []
if fi.classname:
if not fi.ctype: # c-tor
cvname = "(jlong) new cv::" + fi.classname
elif fi.static:
cvname = "cv::%s::%s" % (fi.classname, fi.name)
else:
cvname = "%s->%s" % ("me", fi.name)
j2cvargs.append(\
"cv::%s* me = (cv::%s*) self; //TODO: check for NULL" % \
(fi.classname, fi.classname) \
)
cvargs = []
for a in args:
cva = a.name
if a.ctype[0].isupper(): # Point/Rect/...
# "Point" : ("Point", (("int", ".x"), ("int", ".y")), "Point(%(n)s_x, %(n)s_y)", "II")
# Point(p_x, p_y)
cva = ctype2j[a.ctype][2] % {"n" : a.name}
if a.ctype == "Mat":
j2cvargs.append("cv::Mat* %s = (cv::Mat*) %s_nativeObj; //TODO: check for NULL"\
% (a.name, a.name))
pass
cvargs.append(cva)
rtype = "NYI"
if fi.ctype == "Mat":
rtype = "jlong"
elif fi.ctype[0].isupper():
rtype = "NYI" # TODO: NYI
else:
rtype = ctype2j[fi.ctype][2]
self.cpp_code.write ( Template( \
"""
#ifdef __cplusplus
extern "C" {
#endif
JNIEXPORT $rtype JNICALL Java_org_opencv_${module}_$fname
($args);
#ifdef __cplusplus
}
#endif
JNIEXPORT $rtype JNICALL Java_org_opencv_${module}_$fname
($args)
{
$j2cv
$ret( $cvname( $cvargs ) );
}
""" ).substitute( \
rtype = rtype, \
module = self.module, \
fname = fi.jni_name + ["",suffix][isoverload], \
args = ", ".join(["%s %s" % (ctype2j[a.ctype][2], a.name) for a in jni_args]), \
j2cv = "\n ".join([a for a in j2cvargs]), \
ret = ret, \
cvname = cvname, \
cvargs = ", ".join([a for a in cvargs]), \
) )
# processing args with default values
if args and args[-1].defval:
a = args.pop()
suffix = suffix[0:-len(ctype2j[a.ctype][3])]
else:
break
def gen_funcs(self):
# generate the code for all the global functions
indent = "\t"
fflist = self.funcs.items()
fflist.sort()
for name, ffi in fflist:
assert not ffi.funcs[0].classname, "Error: global func is a class member - "+name
for fi in ffi.funcs:
self.gen_func(fi, len(ffi.funcs)>1)
def gen_classes(self):
# generate code for the classes (their methods and consts)
indent = "\t"
indent_m = indent + "\t"
classlist = self.classes.items()
classlist.sort()
for name, ci in classlist:
self.java_code.write( "\n" + indent + "// class %s" % (ci.cname) + "\n" )
self.java_code.write( indent + "public static class %s {\n\n" % (ci.jname) )
# self
self.java_code.write( indent_m + "protected final long nativeObj;\n" )
self.java_code.write( indent_m + "protected %s(long addr) { nativeObj = addr; }\n\n" \
% name );
# constants
if ci.consts:
prefix = "\n" + indent_m + "\t\t"
s = indent_m + "public static final int" + prefix +\
("," + prefix).join(["%s = %s" % (c.name, c.value) for c in ci.consts]) + ";\n\n"
self.java_code.write( s )
# c-tors
fflist = ci.methods.items()
fflist.sort()
for n, ffi in fflist:
if ffi.isconstructor:
for fi in ffi.funcs:
self.gen_func(fi, len(ffi.funcs)>1)
self.java_code.write( "\n" )
for n, ffi in fflist:
if not ffi.isconstructor:
for fi in ffi.funcs:
self.gen_func(fi, len(ffi.funcs)>1)
self.java_code.write( "\n" + indent + "}\n\n" )
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
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)

583
modules/java/srccpp/Mat.cpp
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@ -0,0 +1,583 @@
#include <jni.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* Class: org_opencv_Mat
* Method: nCreateMat
* Signature: (III)J
*/
JNIEXPORT jlong JNICALL Java_org_opencv_Mat_nCreateMat__III
(JNIEnv *, jclass, jint, jint, jint);
/*
* Class: org_opencv_Mat
* Method: nCreateMat
* Signature: (IIIDDDD)J
*/
JNIEXPORT jlong JNICALL Java_org_opencv_Mat_nCreateMat__IIIDDDD
(JNIEnv *, jclass, jint, jint, jint, jdouble, jdouble, jdouble, jdouble);
/*
* Class: org_opencv_Mat
* Method: nDispose
* Signature: (J)V
*/
JNIEXPORT void JNICALL Java_org_opencv_Mat_nDispose
(JNIEnv *, jclass, jlong);
/*
* Class: org_opencv_Mat
* Method: nType
* Signature: (J)I
*/
JNIEXPORT jint JNICALL Java_org_opencv_Mat_nType
(JNIEnv *, jclass, jlong);
/*
* Class: org_opencv_Mat
* Method: nRows
* Signature: (J)I
*/
JNIEXPORT jint JNICALL Java_org_opencv_Mat_nRows
(JNIEnv *, jclass, jlong);
/*
* Class: org_opencv_Mat
* Method: nCols
* Signature: (J)I
*/
JNIEXPORT jint JNICALL Java_org_opencv_Mat_nCols
(JNIEnv *, jclass, jlong);
/*
* Class: org_opencv_Mat
* Method: nData
* Signature: (J)J
*/
JNIEXPORT jlong JNICALL Java_org_opencv_Mat_nData
(JNIEnv *, jclass, jlong);
/*
* Class: org_opencv_Mat
* Method: nIsEmpty
* Signature: (J)Z
*/
JNIEXPORT jboolean JNICALL Java_org_opencv_Mat_nIsEmpty
(JNIEnv *, jclass, jlong);
/*
* Class: org_opencv_Mat
* Method: nIsCont
* Signature: (J)Z
*/
JNIEXPORT jboolean JNICALL Java_org_opencv_Mat_nIsCont
(JNIEnv *, jclass, jlong);
/*
* Class: org_opencv_Mat
* Method: nIsSubmat
* Signature: (J)Z
*/
JNIEXPORT jboolean JNICALL Java_org_opencv_Mat_nIsSubmat
(JNIEnv *, jclass, jlong);
/*
* Class: org_opencv_Mat
* Method: nSubmat
* Signature: (JIIII)J
*/
JNIEXPORT jlong JNICALL Java_org_opencv_Mat_nSubmat
(JNIEnv *, jclass, jlong, jint, jint, jint, jint);
/*
* Class: org_opencv_Mat
* Method: nClone
* Signature: (J)J
*/
JNIEXPORT jlong JNICALL Java_org_opencv_Mat_nClone
(JNIEnv *, jclass, jlong);
/*
* Class: org_opencv_Mat
* Method: nPutD
* Signature: (JIII[D)I
*/
JNIEXPORT jint JNICALL Java_org_opencv_Mat_nPutD
(JNIEnv *, jclass, jlong, jint, jint, jint, jdoubleArray);
/*
* Class: org_opencv_Mat
* Method: nPutF
* Signature: (JIII[F)I
*/
JNIEXPORT jint JNICALL Java_org_opencv_Mat_nPutF
(JNIEnv *, jclass, jlong, jint, jint, jint, jfloatArray);
/*
* Class: org_opencv_Mat
* Method: nPutI
* Signature: (JIII[I)I
*/
JNIEXPORT jint JNICALL Java_org_opencv_Mat_nPutI
(JNIEnv *, jclass, jlong, jint, jint, jint, jintArray);
/*
* Class: org_opencv_Mat
* Method: nPutS
* Signature: (JIII[S)I
*/
JNIEXPORT jint JNICALL Java_org_opencv_Mat_nPutS
(JNIEnv *, jclass, jlong, jint, jint, jint, jshortArray);
/*
* Class: org_opencv_Mat
* Method: nPutB
* Signature: (JIII[B)I
*/
JNIEXPORT jint JNICALL Java_org_opencv_Mat_nPutB
(JNIEnv *, jclass, jlong, jint, jint, jint, jbyteArray);
/*
* Class: org_opencv_Mat
* Method: nGetB
* Signature: (JIII[B)I
*/
JNIEXPORT jint JNICALL Java_org_opencv_Mat_nGetB
(JNIEnv *, jclass, jlong, jint, jint, jint, jbyteArray);
/*
* Class: org_opencv_Mat
* Method: nGetS
* Signature: (JIII[S)I
*/
JNIEXPORT jint JNICALL Java_org_opencv_Mat_nGetS
(JNIEnv *, jclass, jlong, jint, jint, jint, jshortArray);
/*
* Class: org_opencv_Mat
* Method: nGetI
* Signature: (JIII[I)I
*/
JNIEXPORT jint JNICALL Java_org_opencv_Mat_nGetI
(JNIEnv *, jclass, jlong, jint, jint, jint, jintArray);
/*
* Class: org_opencv_Mat
* Method: nGetF
* Signature: (JIII[F)I
*/
JNIEXPORT jint JNICALL Java_org_opencv_Mat_nGetF
(JNIEnv *, jclass, jlong, jint, jint, jint, jfloatArray);
/*
* Class: org_opencv_Mat
* Method: nGetD
* Signature: (JIII[D)I
*/
JNIEXPORT jint JNICALL Java_org_opencv_Mat_nGetD
(JNIEnv *, jclass, jlong, jint, jint, jint, jdoubleArray);
/*
* Class: org_opencv_Mat
* Method: nSetTo
* Signature: (JDDDD)V
*/
JNIEXPORT void JNICALL Java_org_opencv_Mat_nSetTo
(JNIEnv *, jclass, jlong, jdouble, jdouble, jdouble, jdouble);
/*
* Class: org_opencv_Mat
* Method: nCopyTo
* Signature: (JJ)V
*/
JNIEXPORT void JNICALL Java_org_opencv_Mat_nCopyTo
(JNIEnv *, jclass, jlong, jlong);
/*
* Class: org_opencv_Mat
* Method: nDot
* Signature: (JJ)D
*/
JNIEXPORT jdouble JNICALL Java_org_opencv_Mat_nDot
(JNIEnv *, jclass, jlong, jlong);
/*
* Class: org_opencv_Mat
* Method: nCross
* Signature: (JJ)J
*/
JNIEXPORT jlong JNICALL Java_org_opencv_Mat_nCross
(JNIEnv *, jclass, jlong, jlong);
/*
* Class: org_opencv_Mat
* Method: nInv
* Signature: (J)J
*/
JNIEXPORT jlong JNICALL Java_org_opencv_Mat_nInv
(JNIEnv *, jclass, jlong);
#ifdef __cplusplus
}
#endif
#include "opencv2/core/core.hpp"
JNIEXPORT jint JNICALL Java_org_opencv_Mat_nType
(JNIEnv* env, jclass cls, jlong self)
{
cv::Mat* me = (cv::Mat*) self; //TODO: check for NULL
return me->type( );
}
JNIEXPORT jint JNICALL Java_org_opencv_Mat_nRows
(JNIEnv* env, jclass cls, jlong self)
{
cv::Mat* me = (cv::Mat*) self; //TODO: check for NULL
return me->rows;
}
JNIEXPORT jint JNICALL Java_org_opencv_Mat_nCols
(JNIEnv* env, jclass cls, jlong self)
{
cv::Mat* me = (cv::Mat*) self; //TODO: check for NULL
return me->cols;
}
JNIEXPORT jlong JNICALL Java_org_opencv_Mat_nData
(JNIEnv* env, jclass cls, jlong self)
{
cv::Mat* me = (cv::Mat*) self; //TODO: check for NULL
return (jlong) me->data;
}
JNIEXPORT jboolean JNICALL Java_org_opencv_Mat_nIsEmpty
(JNIEnv* env, jclass cls, jlong self)
{
cv::Mat* me = (cv::Mat*) self; //TODO: check for NULL
return me->empty();
}
JNIEXPORT jboolean JNICALL Java_org_opencv_Mat_nIsCont
(JNIEnv* env, jclass cls, jlong self)
{
cv::Mat* me = (cv::Mat*) self; //TODO: check for NULL
return me->isContinuous();
}
JNIEXPORT jboolean JNICALL Java_org_opencv_Mat_nIsSubmat
(JNIEnv* env, jclass cls, jlong self)
{
cv::Mat* me = (cv::Mat*) self; //TODO: check for NULL
return me->isSubmatrix();
}
JNIEXPORT jlong JNICALL Java_org_opencv_Mat_nSubmat
(JNIEnv* env, jclass cls, jlong self, jint r1, jint r2, jint c1, jint c2)
{
cv::Mat* me = (cv::Mat*) self; //TODO: check for NULL
return (jlong) new cv::Mat(*me, cv::Range(r1, r2>0 ? r2 : me->rows), cv::Range(c1, c2>0 ? c2 : me->cols));
}
JNIEXPORT jlong JNICALL Java_org_opencv_Mat_nClone
(JNIEnv* env, jclass cls, jlong self)
{
cv::Mat* me = (cv::Mat*) self; //TODO: check for NULL
cv::Mat* it = new cv::Mat();
me->copyTo(*it);
return (jlong) it;
}
// unlike other nPut()-s this one (with double[]) should convert input values to correct type
#define PUT_ITEM(T, R, C) for(int ch=0; ch<me->channels() & count>0; ch++,count--) *((T*)me->ptr(R, C)+ch) = cv::saturate_cast<T>(*(src+ch))
JNIEXPORT jint JNICALL Java_org_opencv_Mat_nPutD
(JNIEnv* env, jclass cls, jlong self, jint row, jint col, jint count, jdoubleArray vals)
{
cv::Mat* me = (cv::Mat*) self;
if(! self) return 0; // no native object behind
if(me->rows<=row || me->cols<=col) return 0; // indexes out of range
int rest = ((me->rows - row) * me->cols - col) * me->channels();
if(count>rest) count = rest;
int res = count;
double* values = (double*)env->GetPrimitiveArrayCritical(vals, 0);
double* src = values;
int r, c;
for(c=col; c<me->cols & count>0; c++)
{
switch(me->depth()) {
case CV_8U: PUT_ITEM(uchar, row, c); break;
case CV_8S: PUT_ITEM(schar, row, c); break;
case CV_16U: PUT_ITEM(ushort, row, c); break;
case CV_16S: PUT_ITEM(short, row, c); break;
case CV_32S: PUT_ITEM(int, row, c); break;
case CV_32F: PUT_ITEM(float, row, c); break;
case CV_64F: PUT_ITEM(double, row, c); break;
}
src++;
}
for(r=row+1; r<me->rows & count>0; r++)
for(c=0; c<me->cols & count>0; c++)
{
switch(me->depth()) {
case CV_8U: PUT_ITEM(uchar, r, c); break;
case CV_8S: PUT_ITEM(schar, r, c); break;
case CV_16U: PUT_ITEM(ushort, r, c); break;
case CV_16S: PUT_ITEM(short, r, c); break;
case CV_32S: PUT_ITEM(int, r, c); break;
case CV_32F: PUT_ITEM(float, r, c); break;
case CV_64F: PUT_ITEM(double, r, c); break;
}
src++;
}
env->ReleasePrimitiveArrayCritical(vals, values, 0);
return res;
}
template<typename T> static int mat_put(cv::Mat* m, int row, int col, int count, char* buff)
{
if(! m) return 0;
if(! buff) return 0;
int rest = ((m->rows - row) * m->cols - col) * m->channels() * sizeof(T);
if(count>rest) count = rest;
int res = count;
if( m->isContinuous() )
{
memcpy(m->ptr(row, col), buff, count);
} else {
// row by row
int num = (m->cols - col - 1) * m->channels() * sizeof(T); // 1st partial row
if(count<num) num = count;
uchar* data = m->ptr(row++, col);
while(count>0){
memcpy(data, buff, num);
count -= num;
buff += num;
num = m->cols * m->channels() * sizeof(T);
if(count<num) num = count;
data = m->ptr(row++, 0);
}
}
return res;
}
JNIEXPORT jint JNICALL Java_org_opencv_Mat_nPutB
(JNIEnv* env, jclass cls, jlong self, jint row, jint col, jint count, jbyteArray vals)
{
cv::Mat* me = (cv::Mat*) self;
if(! self) return 0; // no native object behind
if(me->depth() != CV_8U && me->depth() != CV_8S) return 0; // incompatible type
if(me->rows<=row || me->cols<=col) return 0; // indexes out of range
char* values = (char*)env->GetPrimitiveArrayCritical(vals, 0);
int res = mat_put<char>(me, row, col, count, values);
env->ReleasePrimitiveArrayCritical(vals, values, 0);
return res;
}
JNIEXPORT jint JNICALL Java_org_opencv_Mat_nPutS
(JNIEnv* env, jclass cls, jlong self, jint row, jint col, jint count, jshortArray vals)
{
cv::Mat* me = (cv::Mat*) self;
if(! self) return 0; // no native object behind
if(me->depth() != CV_8U && me->depth() != CV_8S) return 0; // incompatible type
if(me->rows<=row || me->cols<=col) return 0; // indexes out of range
char* values = (char*)env->GetPrimitiveArrayCritical(vals, 0);
int res = mat_put<short>(me, row, col, count, values);
env->ReleasePrimitiveArrayCritical(vals, values, 0);
return res;
}
JNIEXPORT jint JNICALL Java_org_opencv_Mat_nPutI
(JNIEnv* env, jclass cls, jlong self, jint row, jint col, jint count, jintArray vals)
{
cv::Mat* me = (cv::Mat*) self;
if(! self) return 0; // no native object behind
if(me->depth() != CV_8U && me->depth() != CV_8S) return 0; // incompatible type
if(me->rows<=row || me->cols<=col) return 0; // indexes out of range
char* values = (char*)env->GetPrimitiveArrayCritical(vals, 0);
int res = mat_put<int>(me, row, col, count, values);
env->ReleasePrimitiveArrayCritical(vals, values, 0);
return res;
}
JNIEXPORT jint JNICALL Java_org_opencv_Mat_nPutF
(JNIEnv* env, jclass cls, jlong self, jint row, jint col, jint count, jfloatArray vals)
{
cv::Mat* me = (cv::Mat*) self;
if(! self) return 0; // no native object behind
if(me->depth() != CV_8U && me->depth() != CV_8S) return 0; // incompatible type
if(me->rows<=row || me->cols<=col) return 0; // indexes out of range
char* values = (char*)env->GetPrimitiveArrayCritical(vals, 0);
int res = mat_put<float>(me, row, col, count, values);
env->ReleasePrimitiveArrayCritical(vals, values, 0);
return res;
}
template<typename T> int mat_get(cv::Mat* m, int row, int col, int count, char* buff)
{
if(! m) return 0;
if(! buff) return 0;
int rest = ((m->rows - row) * m->cols - col) * m->channels() * sizeof(T);
if(count>rest) count = rest;
int res = count;
if( m->isContinuous() )
{
memcpy(buff, m->ptr(row, col), count);
} else {
// row by row
int num = (m->cols - col - 1) * m->channels() * sizeof(T); // 1st partial row
if(count<num) num = count;
uchar* data = m->ptr(row++, col);
while(count>0){
memcpy(buff, data, num);
count -= num;
buff += num;
num = m->cols * m->channels() * sizeof(T);
if(count<num) num = count;
data = m->ptr(row++, 0);
}
}
return res;
}
JNIEXPORT jint JNICALL Java_org_opencv_Mat_nGetB
(JNIEnv* env, jclass cls, jlong self, jint row, jint col, jint count, jbyteArray vals)
{
cv::Mat* me = (cv::Mat*) self;
if(! self) return 0; // no native object behind
if(me->depth() != CV_8U && me->depth() != CV_8S) return 0; // incompatible type
if(me->rows<=row || me->cols<=col) return 0; // indexes out of range
char* values = (char*)env->GetPrimitiveArrayCritical(vals, 0);
int res = mat_get<char>(me, row, col, count, values);
env->ReleasePrimitiveArrayCritical(vals, values, 0);
return res;
}
JNIEXPORT jint JNICALL Java_org_opencv_Mat_nGetS
(JNIEnv* env, jclass cls, jlong self, jint row, jint col, jint count, jshortArray vals)
{
cv::Mat* me = (cv::Mat*) self;
if(! self) return 0; // no native object behind
if(me->depth() != CV_8U && me->depth() != CV_8S) return 0; // incompatible type
if(me->rows<=row || me->cols<=col) return 0; // indexes out of range
char* values = (char*)env->GetPrimitiveArrayCritical(vals, 0);
int res = mat_get<short>(me, row, col, count, values);
env->ReleasePrimitiveArrayCritical(vals, values, 0);
return res;
}
JNIEXPORT jint JNICALL Java_org_opencv_Mat_nGetI
(JNIEnv* env, jclass cls, jlong self, jint row, jint col, jint count, jintArray vals)
{
cv::Mat* me = (cv::Mat*) self;
if(! self) return 0; // no native object behind
if(me->depth() != CV_8U && me->depth() != CV_8S) return 0; // incompatible type
if(me->rows<=row || me->cols<=col) return 0; // indexes out of range
char* values = (char*)env->GetPrimitiveArrayCritical(vals, 0);
int res = mat_get<int>(me, row, col, count, values);
env->ReleasePrimitiveArrayCritical(vals, values, 0);
return res;
}
JNIEXPORT jint JNICALL Java_org_opencv_Mat_nGetF
(JNIEnv* env, jclass cls, jlong self, jint row, jint col, jint count, jfloatArray vals)
{
cv::Mat* me = (cv::Mat*) self;
if(! self) return 0; // no native object behind
if(me->depth() != CV_8U && me->depth() != CV_8S) return 0; // incompatible type
if(me->rows<=row || me->cols<=col) return 0; // indexes out of range
char* values = (char*)env->GetPrimitiveArrayCritical(vals, 0);
int res = mat_get<float>(me, row, col, count, values);
env->ReleasePrimitiveArrayCritical(vals, values, 0);
return res;
}
JNIEXPORT jint JNICALL Java_org_opencv_Mat_nGetD
(JNIEnv* env, jclass cls, jlong self, jint row, jint col, jint count, jdoubleArray vals)
{
cv::Mat* me = (cv::Mat*) self;
if(! self) return 0; // no native object behind
if(me->depth() != CV_8U && me->depth() != CV_8S) return 0; // incompatible type
if(me->rows<=row || me->cols<=col) return 0; // indexes out of range
char* values = (char*)env->GetPrimitiveArrayCritical(vals, 0);
int res = mat_get<double>(me, row, col, count, values);
env->ReleasePrimitiveArrayCritical(vals, values, 0);
return res;
}
JNIEXPORT void JNICALL Java_org_opencv_Mat_nSetTo
(JNIEnv* env, jclass cls, jlong self, jdouble v0, jdouble v1, jdouble v2, jdouble v3)
{
cv::Mat* me = (cv::Mat*) self; //TODO: check for NULL
me->setTo( cv::Scalar(v0, v1, v2, v3), cv::Mat() );
}
JNIEXPORT void JNICALL Java_org_opencv_Mat_nCopyTo
(JNIEnv* env, jclass cls, jlong self, jlong m)
{
cv::Mat* me = (cv::Mat*) self; //TODO: check for NULL
cv::Mat* _m = (cv::Mat*) m; //TODO: check for NULL
me->copyTo( *_m );
}
JNIEXPORT jdouble JNICALL Java_org_opencv_Mat_nDot
(JNIEnv* env, jclass cls, jlong self, jlong m)
{
cv::Mat* me = (cv::Mat*) self; //TODO: check for NULL
cv::Mat* _m = (cv::Mat*) m; //TODO: check for NULL
return me->dot( *_m );
}
JNIEXPORT jlong JNICALL Java_org_opencv_Mat_nCross
(JNIEnv* env, jclass cls, jlong self, jlong it)
{
return 0; //NYI
}
JNIEXPORT jlong JNICALL Java_org_opencv_Mat_nInv
(JNIEnv* env, jclass cls, jlong self)
{
return 0; //NYI
}
JNIEXPORT jlong JNICALL Java_org_opencv_Mat_nCreateMat__III
(JNIEnv* env, jclass cls, jint _rows, jint _cols, jint _type)
{
return (jlong) new cv::Mat( _rows, _cols, _type );
}
JNIEXPORT jlong JNICALL Java_org_opencv_Mat_nCreateMat__IIIDDDD
(JNIEnv* env, jclass cls, jint _rows, jint _cols, jint _type, jdouble v0, jdouble v1, jdouble v2, jdouble v3)
{
return (jlong) new cv::Mat( _rows, _cols, _type, cv::Scalar(v0, v1, v2, v3) );
}
JNIEXPORT void JNICALL Java_org_opencv_Mat_nDispose
(JNIEnv* env, jclass cls, jlong self)
{
cv::Mat* me = (cv::Mat*) self; //TODO: check for NULL
delete me;
}

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modules/java/srccpp/utils.cpp
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#include <jni.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* Class: org_opencv_utils
* Method: nBitmapToMat(Bitmap b)
* Signature: (L)J
*/
JNIEXPORT jlong JNICALL Java_org_opencv_utils_nBitmapToMat
(JNIEnv *, jclass, jobject);
/*
* Class: org_opencv_utils
* Method: nBitmapToMat(long m, Bitmap b)
* Signature: (JL)Z
*/
JNIEXPORT jboolean JNICALL Java_org_opencv_utils_nMatToBitmap
(JNIEnv *, jclass, jlong, jobject);
#ifdef __cplusplus
}
#endif
#include "opencv2/core/core.hpp"
#include <android/bitmap.h>
JNIEXPORT jlong JNICALL Java_org_opencv_utils_nBitmapToMat
(JNIEnv * env, jclass cls, jobject bitmap)
{
AndroidBitmapInfo info;
void* pixels;
cv::Mat* m = NULL;
if ( AndroidBitmap_getInfo(env, bitmap, &info) < 0 )
return 0; // can't get info
if (info.format != ANDROID_BITMAP_FORMAT_RGBA_8888)
return 0; // incompatible format
if ( AndroidBitmap_lockPixels(env, bitmap, &pixels) < 0 )
return 0; // can't get pixels
m = new cv::Mat(info.height, info.width, CV_8UC4);
memcpy(m->data, pixels, info.height * info.width * 4);
AndroidBitmap_unlockPixels(env, bitmap);
return (jlong)m;
}
JNIEXPORT jboolean JNICALL Java_org_opencv_utils_nMatToBitmap
(JNIEnv * env, jclass cls, jlong m, jobject bitmap)
{
AndroidBitmapInfo info;
void* pixels;
cv::Mat* mat = (cv::Mat*) m;
if ( m == 0 )
return false; // no native Mat behind
if ( AndroidBitmap_getInfo(env, bitmap, &info) < 0 )
return false; // can't get info
if (info.format != ANDROID_BITMAP_FORMAT_RGBA_8888)
return false; // incompatible format
if ( AndroidBitmap_lockPixels(env, bitmap, &pixels) < 0 )
return false; // can't get pixels
memcpy(pixels, mat->data, info.height * info.width * 4);
AndroidBitmap_unlockPixels(env, bitmap);
return true;
}

408
modules/java/srcjava/Mat.java
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package org.opencv;
public class Mat {
public static class CvType {
// predefined type constants
public static final CvType
CV_8UC1 = CV_8UC(1), CV_8UC2 = CV_8UC(2), CV_8UC3 = CV_8UC(3), CV_8UC4 = CV_8UC(4),
CV_8SC1 = CV_8SC(1), CV_8SC2 = CV_8SC(2), CV_8SC3 = CV_8SC(3), CV_8SC4 = CV_8SC(4),
CV_16UC1 = CV_16UC(1), CV_16UC2 = CV_16UC(2), CV_16UC3 = CV_16UC(3), CV_16UC4 = CV_16UC(4),
CV_16SC1 = CV_16SC(1), CV_16SC2 = CV_16SC(2), CV_16SC3 = CV_16SC(3), CV_16SC4 = CV_16SC(4),
CV_32SC1 = CV_32SC(1), CV_32SC2 = CV_32SC(2), CV_32SC3 = CV_32SC(3), CV_32SC4 = CV_32SC(4),
CV_32FC1 = CV_32FC(1), CV_32FC2 = CV_32FC(2), CV_32FC3 = CV_32FC(3), CV_32FC4 = CV_32FC(4),
CV_64FC1 = CV_64FC(1), CV_64FC2 = CV_64FC(2), CV_64FC3 = CV_64FC(3), CV_64FC4 = CV_64FC(4);
// type depth constants
public static final int 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 static final int CV_CN_MAX = 512, CV_CN_SHIFT = 3, CV_DEPTH_MAX = (1 << CV_CN_SHIFT);
private final int value;
protected CvType(int depth, int channels) {
if(channels<=0 || channels>=CV_CN_MAX) {
throw new java.lang.UnsupportedOperationException(
"Channels count should be 1.." + (CV_CN_MAX-1) );
}
if(depth<0 || depth>=CV_DEPTH_MAX) {
throw new java.lang.UnsupportedOperationException(
"Data type depth should be 0.." + (CV_DEPTH_MAX-1) );
}
value = (depth & (CV_DEPTH_MAX-1)) + ((channels-1) << CV_CN_SHIFT);
}
protected CvType(int val) { value = val; }
public static final CvType CV_8UC(int ch) { return new CvType(CV_8U, ch); }
public static final CvType CV_8SC(int ch) { return new CvType(CV_8S, ch); }
public static final CvType CV_16UC(int ch) { return new CvType(CV_16U, ch); }
public static final CvType CV_16SC(int ch) { return new CvType(CV_16S, ch); }
public static final CvType CV_32SC(int ch) { return new CvType(CV_32S, ch); }
public static final CvType CV_32FC(int ch) { return new CvType(CV_32F, ch); }
public static final CvType CV_64FC(int ch) { return new CvType(CV_64F, ch); }
public final int toInt() { return value; }
public final int channels() { return (value >> CV_CN_SHIFT) + 1; }
public final int depth() { return value & (CV_DEPTH_MAX-1); }
public final boolean isInteger() { return depth() < CV_32F; }
public final int CV_ELEM_SIZE() {
int depth = value & (CV_DEPTH_MAX-1);
switch (depth) {
case CV_8U:
case CV_8S:
return channels();
case CV_16U:
case CV_16S:
return 2 * channels();
case CV_32S:
case CV_32F:
return 4 * channels();
case CV_64F:
return 8 * channels();
default:
throw new java.lang.UnsupportedOperationException(
"Unsupported CvType value: " + value );
}
}
@Override
public final String toString() {
String s;
switch (depth()) {
case CV_8U:
s = "CV_8U";
break;
case CV_8S:
s = "CV_8S";
break;
case CV_16U:
s = "CV_16U";
break;
case CV_16S:
s = "CV_16S";
break;
case CV_32S:
s = "CV_32S";
break;
case CV_32F:
s = "CV_32F";
break;
case CV_64F:
s = "CV_64F";
break;
default:
s = "CV_USRTYPE1";
}
return s + "(" + channels() + ")";
}
// hashCode() has to be overridden if equals() is
@Override
public final int hashCode() { return value; }
@Override
public final boolean equals(Object obj) {
if (this == obj) return true;
if ( !(obj instanceof CvType) ) return false;
CvType other = (CvType) obj;
return value == other.value;
}
}
protected Mat(long nativeMat) {
/*if(nativeMat == 0)
throw new java.lang.UnsupportedOperationException("Native object address is NULL");*/
this.nativeObj = nativeMat;
}
public Mat(int rows, int cols, CvType type) {
this( nCreateMat(rows, cols, type.toInt()) );
}
public Mat(int rows, int cols, CvType type, double v0, double v1, double v2, double v3) {
this( nCreateMat(rows, cols, type.toInt(), v0, v1, v2, v3) );
}
public Mat(int rows, int cols, CvType type, double v0, double v1, double v2) {
this( nCreateMat(rows, cols, type.toInt(), v0, v1, v2, 0) );
}
public Mat(int rows, int cols, CvType type, double v0, double v1) {
this( nCreateMat(rows, cols, type.toInt(), v0, v1, 0, 0) );
}
public Mat(int rows, int cols, CvType type, double v0) {
this( nCreateMat(rows, cols, type.toInt(), v0, 0, 0, 0) );
}
public void dispose() {
if(nativeObj != 0)
nDispose(nativeObj);
nativeObj = 0;
}
@Override
protected void finalize() throws Throwable {
dispose();
super.finalize();
}
@Override
public String toString() {
if(nativeObj == 0) return "Mat [ nativeObj=NULL ]";
return "Mat [ " +
rows() + "*" + cols() + "*" + type() +
", isCont=" + isContinuous() + ", isSubmat=" + isSubmatrix() +
", nativeObj=0x" + Long.toHexString(nativeObj) +
", dataAddr=0x" + Long.toHexString(dataAddr()) +
" ]";
}
public boolean empty() {
if(nativeObj == 0) return true;
return nIsEmpty(nativeObj);
}
private void checkNull() {
if(nativeObj == 0)
throw new java.lang.UnsupportedOperationException("Native object address is NULL");
}
public CvType type() {
checkNull();
return new CvType( nType(nativeObj) );
}
public int depth() { return type().depth(); }
public int channels() { return type().channels(); }
public int elemSize() { return type().CV_ELEM_SIZE(); }
public int rows() {
if(nativeObj == 0)
return 0;
return nRows(nativeObj);
}
public int height() { return rows(); }
public int cols() {
if(nativeObj == 0)
return 0;
return nCols(nativeObj);
}
public int width() { return cols(); }
public int total() { return rows() * cols(); }
public long dataAddr() {
if(nativeObj == 0)
return 0;
return nData(nativeObj);
}
public boolean isContinuous() {
if(nativeObj == 0)
return false; // maybe throw an exception instead?
return nIsCont(nativeObj);
}
public boolean isSubmatrix() {
if(nativeObj == 0)
return false; // maybe throw an exception instead?
return nIsSubmat(nativeObj);
}
public Mat submat(int rowStart, int rowEnd, int colStart, int colEnd) {
checkNull();
return new Mat( nSubmat(nativeObj, rowStart, rowEnd, colStart, colEnd) );
}
public Mat rowRange(int start, int end) { return submat(start, end, 0, -1); }
public Mat row(int num) { return submat(num, num+1, 0, -1); }
public Mat colRange(int start, int end) { return submat(0, -1, start, end); }
public Mat col(int num) { return submat(0, -1, num, num+1); }
public Mat clone() {
checkNull();
return new Mat( nClone(nativeObj) );
}
public int put(int row, int col, double...data) {
checkNull();
if(data != null)
return nPutD(nativeObj, row, col, data.length, data);
else
return 0;
}
public int put(int row, int col, float[] data) {
checkNull();
if(data != null) {
CvType t = type();
if(t.depth() == CvType.CV_32F) {
return nPutF(nativeObj, row, col, data.length, data);
}
throw new java.lang.UnsupportedOperationException("Mat data type is not compatible: " + t);
} else return 0;
}
public int put(int row, int col, int[] data) {
checkNull();
if(data != null) {
CvType t = type();
if(t.depth() == CvType.CV_32S) {
return nPutI(nativeObj, row, col, data.length, data);
}
throw new java.lang.UnsupportedOperationException("Mat data type is not compatible: " + t);
} else return 0;
}
public int put(int row, int col, short[] data) {
checkNull();
if(data != null) {
CvType t = type();
if(t.depth() == CvType.CV_16U || t.depth() == CvType.CV_16S) {
return nPutS(nativeObj, row, col, data.length, data);
}
throw new java.lang.UnsupportedOperationException("Mat data type is not compatible: " + t);
} else return 0;
}
public int put(int row, int col, byte[] data) {
checkNull();
if(data != null) {
CvType t = type();
if(t.depth() == CvType.CV_8U || t.depth() == CvType.CV_8S) {
return nPutB(nativeObj, row, col, data.length, data);
}
throw new java.lang.UnsupportedOperationException("Mat data type is not compatible: " + t);
} else return 0;
}
public int get(int row, int col, byte[] data) {
checkNull();
CvType t = type();
if(t.depth() == CvType.CV_8U || t.depth() == CvType.CV_8S) {
return nGetB(nativeObj, row, col, data.length, data);
}
throw new java.lang.UnsupportedOperationException("Mat data type is not compatible: " + t);
}
public int get(int row, int col, short[] data) {
checkNull();
CvType t = type();
if(t.depth() == CvType.CV_16U || t.depth() == CvType.CV_16S) {
return nGetS(nativeObj, row, col, data.length, data);
}
throw new java.lang.UnsupportedOperationException("Mat data type is not compatible: " + t);
}
public int get(int row, int col, int[] data) {
checkNull();
CvType t = type();
if(t.depth() == CvType.CV_32S) {
return nGetI(nativeObj, row, col, data.length, data);
}
throw new java.lang.UnsupportedOperationException("Mat data type is not compatible: " + t);
}
public int get(int row, int col, float[] data) {
checkNull();
CvType t = type();
if(t.depth() == CvType.CV_32F) {
return nGetF(nativeObj, row, col, data.length, data);
}
throw new java.lang.UnsupportedOperationException("Mat data type is not compatible: " + t);
}
public int get(int row, int col, double[] data) {
checkNull();
CvType t = type();
if(t.depth() == CvType.CV_64F) {
return nGetD(nativeObj, row, col, data.length, data);
}
throw new java.lang.UnsupportedOperationException("Mat data type is not compatible: " + t);
}
public void setTo(double v0, double v1, double v2, double v3) {
checkNull();
nSetTo(nativeObj, v0, v1, v2, v3);
}
public void setTo(double v0, double v1, double v2) { setTo(v0, v1, v2, 0); }
public void setTo(double v0, double v1) { setTo(v0, v1, 0, 0); }
public void setTo(double v0) { setTo(v0, 0, 0, 0); }
public void copyTo(Mat m) {
checkNull();
if(m.nativeObj == 0)
throw new java.lang.UnsupportedOperationException("Destination native object address is NULL");
nCopyTo(nativeObj, m.nativeObj);
}
public double dot(Mat m) {
checkNull();
return nDot(nativeObj, m.nativeObj);
}
public Mat cross(Mat m) {
checkNull();
return new Mat( nCross(nativeObj, m.nativeObj) );
}
public Mat inv() {
checkNull();
return new Mat( nInv(nativeObj) );
}
public long getNativeObjAddr() {
return nativeObj;
}
// native stuff
static { System.loadLibrary("opencv_java"); }
protected long nativeObj;
private static native long nCreateMat(int rows, int cols, int type);
private static native long nCreateMat(int rows, int cols, int type, double v0, double v1, double v2, double v3);
private static native void nDispose(long self);
private static native int nType(long self);
private static native int nRows(long self);
private static native int nCols(long self);
private static native long nData(long self);
private static native boolean nIsEmpty(long self);
private static native boolean nIsCont(long self);
private static native boolean nIsSubmat(long self);
private static native long nSubmat(long self, int rowStart, int rowEnd, int colStart, int colEnd);
private static native long nClone(long self);
private static native int nPutD(long self, int row, int col, int count, double[] data);
private static native int nPutF(long self, int row, int col, int count, float[] data);
private static native int nPutI(long self, int row, int col, int count, int[] data);
private static native int nPutS(long self, int row, int col, int count, short[] data);
private static native int nPutB(long self, int row, int col, int count, byte[] data);
private static native int nGetB(long self, int row, int col, int count, byte[] vals);
private static native int nGetS(long self, int row, int col, int count, short[] vals);
private static native int nGetI(long self, int row, int col, int count, int[] vals);
private static native int nGetF(long self, int row, int col, int count, float[] vals);
private static native int nGetD(long self, int row, int col, int count, double[] vals);
private static native void nSetTo(long self, double v0, double v1, double v2, double v3);
private static native void nCopyTo(long self, long mat);
private static native double nDot(long self, long mat);
private static native long nCross(long self, long mat);
private static native long nInv(long self);
}

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package org.opencv;
public class Point {
public double x, y;
public Point(double x, double y) {
this.x = x;
this.y = y;
}
public Point() {
this(0, 0);
}
public Point clone() {
return new Point(x, y);
}
public double dot(Point p) {
return x * p.x + y * p.y;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
long temp;
temp = Double.doubleToLongBits(x);
result = prime * result + (int) (temp ^ (temp >>> 32));
temp = Double.doubleToLongBits(y);
result = prime * result + (int) (temp ^ (temp >>> 32));
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if ( ! (obj instanceof Point) ) return false;
Point it = (Point) obj;
return x == it.x && y == it.y;
}
public boolean inside(Rect r) {
return r.contains(this);
}
}

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modules/java/srcjava/Point3.java
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package org.opencv;
public class Point3 {
public double x, y, z;
public Point3(double x, double y, double z) {
this.x = x;
this.y = y;
this.z = z;
}
public Point3() {
this(0, 0, 0);
}
public Point3(Point p) {
x = p.x;
y = p.y;
z = 0;
}
public Point3 clone() {
return new Point3(x, y, z);
}
public double dot(Point3 p) {
return x * p.x + y * p.y + z * p.z;
}
public Point3 cross(Point3 p) {
return new Point3(y * p.z - z * p.y, z * p.x - x * p.z, x * p.y - y * p.x);
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
long temp;
temp = Double.doubleToLongBits(x);
result = prime * result + (int) (temp ^ (temp >>> 32));
temp = Double.doubleToLongBits(y);
result = prime * result + (int) (temp ^ (temp >>> 32));
temp = Double.doubleToLongBits(z);
result = prime * result + (int) (temp ^ (temp >>> 32));
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (!(obj instanceof Point3)) return false;
Point3 it = (Point3) obj;
return x == it.x && y == it.y && z == it.z;
}
}

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modules/java/srcjava/Rect.java
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package org.opencv;
public class Rect {
int x, y, width, height;
public Rect(int x, int y, int width, int height) {
this.x = x;
this.y = y;
this.width = width;
this.height = height;
}
public Rect() {
this(0, 0, 0, 0);
}
public Rect(Point p1, Point p2) {
x = (int) (p1.x < p2.x ? p1.x : p2.x);
y = (int) (p1.y < p2.y ? p1.y : p2.y);
width = (int) (p1.x > p2.x ? p1.x : p2.x) - x;
height = (int) (p1.y > p2.y ? p1.y : p2.y) - y;
}
public Rect(Point p, Size s) {
this((int)p.x, (int)p.y, s.width, s.height);
}
public Rect clone() {
return new Rect(x, y, width, height);
}
public Point tl() {
return new Point(x, y);
}
public Point br() {
return new Point(x + width, y + height);
}
public Size size() {
return new Size(width, height);
}
public double area() {
return width * height;
}
public boolean contains(Point p) {
return x <= p.x && p.x < x + width && y <= p.y && p.y < y + height;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
long temp;
temp = Double.doubleToLongBits(height);
result = prime * result + (int) (temp ^ (temp >>> 32));
temp = Double.doubleToLongBits(width);
result = prime * result + (int) (temp ^ (temp >>> 32));
temp = Double.doubleToLongBits(x);
result = prime * result + (int) (temp ^ (temp >>> 32));
temp = Double.doubleToLongBits(y);
result = prime * result + (int) (temp ^ (temp >>> 32));
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (!(obj instanceof Rect)) return false;
Rect it = (Rect) obj;
return x == it.x && y == it.y && width == it.width && height == it.height;
}
}

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modules/java/srcjava/Scalar.java
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package org.opencv;
public class Scalar {
public double v0, v1, v2, v3;
public Scalar(double v0, double v1, double v2, double v3) {
this.v0 = v0;
this.v1 = v1;
this.v2 = v2;
this.v3 = v3;
}
public Scalar(double v0, double v1, double v2) {
this(v0, v1, v2, 0);
}
public Scalar(double v0, double v1) {
this(v0, v1, 0, 0);
}
public Scalar(double v0) {
this(v0, 0, 0, 0);
}
public static Scalar all(double v) {
return new Scalar(v, v, v, v);
}
public Scalar clone() {
return new Scalar(v0, v1, v2, v3);
}
public Scalar mul(Scalar it, double scale) {
return new Scalar( v0 * it.v0 * scale, v1 * it.v1 * scale,
v2 * it.v2 * scale, v3 * it.v3 * scale );
}
public Scalar mul(Scalar it) {
return mul(it, 1);
}
public Scalar conj() {
return new Scalar(v0, -v1, -v2, -v3);
}
public boolean isReal() {
return v1 == 0 && v2 == 0 && v3 == 0;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
long temp;
temp = Double.doubleToLongBits(v0);
result = prime * result + (int) (temp ^ (temp >>> 32));
temp = Double.doubleToLongBits(v1);
result = prime * result + (int) (temp ^ (temp >>> 32));
temp = Double.doubleToLongBits(v2);
result = prime * result + (int) (temp ^ (temp >>> 32));
temp = Double.doubleToLongBits(v3);
result = prime * result + (int) (temp ^ (temp >>> 32));
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (!(obj instanceof Scalar)) return false;
Scalar it = (Scalar) obj;
return v0 == it.v0 && v1 == it.v1 && v2 == it.v2 && v3 == it.v3;
}
}

49
modules/java/srcjava/Size.java
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@ -0,0 +1,49 @@
package org.opencv;
public class Size {
public int width, height;
public Size(int width, int height) {
this.width = width;
this.height = height;
}
public Size() {
this(0, 0);
}
public Size(Point p) {
width = (int) p.x;
height = (int) p.y;
}
public double area() {
return width * height;
}
public Size clone() {
return new Size(width, height);
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
long temp;
temp = Double.doubleToLongBits(height);
result = prime * result + (int) (temp ^ (temp >>> 32));
temp = Double.doubleToLongBits(width);
result = prime * result + (int) (temp ^ (temp >>> 32));
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (!(obj instanceof Size)) return false;
Size it = (Size) obj;
return width == it.width && height == it.height;
}
}

19
modules/java/srcjava/utils.java
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@ -0,0 +1,19 @@
package org.opencv;
import android.graphics.Bitmap;
public class utils {
public static Mat BitmapToMat(Bitmap b) {
return new Mat( nBitmapToMat(b) );
}
public static boolean MatToBitmap(Mat m, Bitmap b) {
return nMatToBitmap(m.nativeObj, b);
}
// native stuff
static { System.loadLibrary("opencv_java"); }
private static native long nBitmapToMat(Bitmap b);
private static native boolean nMatToBitmap(long m, Bitmap b);
}
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