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38 lines
2.2 KiB
C
38 lines
2.2 KiB
C
#ifndef _DEFINES_H_
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#define _DEFINES_H_
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#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
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#define DEG2RAD(deg) (deg * M_PI / 180)
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// these macros are a bit hacky, since they deliberately assume that env exists and refers to the JNI env
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#define _PTR(ptr)((void*)(intptr_t)ptr)
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#define _INTPTR(ptr)((jlong)(intptr_t)ptr)
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#define _REF(obj)((*env)->NewGlobalRef(env, obj))
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#define _CLASS(object) ((*env)->GetObjectClass(env, object))
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#define _SUPER(object) ((*env)->GetSuperclass(env, object))
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#define _METHOD(class, method, attrs) ((*env)->GetMethodID(env, class, method, attrs))
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#define _JSTRING(cstring) ((*env)->NewStringUTF(env, cstring))
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#define _CSTRING(jstring) ((*env)->GetStringUTFChars(env, jstring, NULL))
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#define _FIELD_ID(class, field, type) ((*env)->GetFieldID(env, class , field, type))
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#define _STATIC_FIELD_ID(class, field, type) ((*env)->GetStaticFieldID(env, class , field, type))
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#define _SET_OBJ_FIELD(object, field, type, value) ((*env)->SetObjectField(env, object, _FIELD_ID(_CLASS(object), field, type), value))
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#define _GET_OBJ_FIELD(object, field, type) ((*env)->GetObjectField(env, object, _FIELD_ID(_CLASS(object), field, type)))
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#define _SET_LONG_FIELD(object, field, value) ((*env)->SetLongField(env, object, _FIELD_ID(_CLASS(object), field, "J"), value))
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#define _GET_LONG_FIELD(object, field) ((*env)->GetLongField(env, object, _FIELD_ID(_CLASS(object), field, "J")))
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#define _SET_INT_FIELD(object, field, value) ((*env)->SetIntField(env, object, _FIELD_ID(_CLASS(object), field, "I"), value))
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#define _SET_STATIC_INT_FIELD(class, field, value) ((*env)->SetStaticIntField(env, class, _STATIC_FIELD_ID(class, field, "I"), value))
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#define _GET_INT_FIELD(object, field) ((*env)->GetIntField(env, object, _FIELD_ID(_CLASS(object), field, "I")))
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#define _GET_BYTE_ARRAY_ELEMENTS(b_array) ((*env)->GetByteArrayElements(env, b_array, NULL))
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#define _RELEASE_BYTE_ARRAY_ELEMENTS(b_array, buffer_ptr) ((*env)->ReleaseByteArrayElements(env, b_array, buffer_ptr, 0))
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// this really doesn't belong here, should probably put this in Java and deal with ugly name convention of autogenerated headers
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#define MOTION_EVENT_ACTION_DOWN 0
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#define MOTION_EVENT_ACTION_UP 1
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#define MOTION_EVENT_ACTION_MOVE 2
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#endif
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