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 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
