wrapper.h

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/*
    Beatmup image and signal processing library
    Copyright (C) 2019, lnstadrum
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
 
#pragma once
#include "objectpool.h"
 
#include "log.h"
 
#include <mutex>
#include <string>
 
 
#define JNIMETHOD(R,N,C,O) JNIEXPORT R JNICALL C##_##O
 
 
// locking the mutex
#ifdef DEBUG_LOGGING
#define BEATMUP_ENTER LOG_I("Entering %s : %d", __FILE__, __LINE__)
#else
#define BEATMUP_ENTER
#endif
 
// catches and rethrows an exception to Java
#define BEATMUP_CATCH(expr) try expr catch (std::exception& ex) { $pool.rethrowToJava(jenv, ex); }
 
// retrieving Beatmup object by its handle
#define BEATMUP_OBJ(type,ptr,handle) \
    type* ptr = $pool.getObject<type>(jenv, handle)
 
#define BEATMUP_STRING(var) \
    const char* javaChar = jenv->GetStringUTFChars(var, 0); \
    const std::string var##Str(javaChar); \
    jenv->ReleaseStringUTFChars(var, javaChar)
 
 
#define BEATMUP_OBJ_OR_NULL(t,p,h) BEATMUP_OBJ(t,p,h)
 
// creating a new dependency on a Java object
#define BEATMUP_REFERENCE(jobj,obj) $pool.addJavaReference(jenv, jobj, obj)
 
// removing a dependency on Java object
#define BEATMUP_DELETE_REFERENCE(obj) if (obj) $pool.removeJavaReference(jenv, obj)
 
 
extern BeatmupJavaObjectPool $pool;