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 
21 typedef uint32_t uint32;
22 
JNI_PIXELUTILS_METHOD(nativeCopyPixels)23 void 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