1/*
2 * Copyright (C) 2013 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "pixelutils.h"
18
19#include <stdint.h>
20
21typedef uint32_t uint32;
22
23void JNI_PIXELUTILS_METHOD(nativeCopyPixels)(
24    JNIEnv* env, jclass clazz, jobject input, jobject output, jint width, jint height, jint offset,
25    jint pixStride, jint rowStride) {
26  uint32* pInPix = static_cast<uint32*>(env->GetDirectBufferAddress(input));
27  uint32* pOutput = static_cast<uint32*>(env->GetDirectBufferAddress(output));
28  uint32* pOutRow = pOutput + offset;
29  for (int y = 0; y < height; ++y) {
30    uint32* pOutPix = pOutRow;
31    for (int x = 0; x < width; ++x) {
32      *pOutPix = *(pInPix++);
33      pOutPix += pixStride;
34    }
35    pOutRow += rowStride;
36  }
37}
38
39