native-glass.lens.LensPixels.c Maven / Gradle / Ivy
/*
* Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
#include "LensCommon.h"
#include "com_sun_glass_ui_lens_LensPixels.h"
/*
* Class: com_sun_glass_ui_lens_LensPixels
* Method: _copyPixels
* Signature: (Ljava/nio/Buffer;Ljava/nio/Buffer;I)V
*/
JNIEXPORT void JNICALL Java_com_sun_glass_ui_lens_LensPixels__1copyPixels
(JNIEnv *env, jobject obj, jobject jDst, jobject jSrc, jint jSize) {
void *src = (*env)->GetDirectBufferAddress(env, jSrc);
void *dst = (*env)->GetDirectBufferAddress(env, jDst);
if (src != NULL && dst != NULL && jSize > 0) {
memcpy(dst, src, jSize * 4);
}
}