geometry.c revision 7bd602506fee36f3ef0a68bfa1ba5dd1e74ca5dd 
1/*
2 * Copyright (C) 2012 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 "filters.h"
18
19void JNIFUNCF(ImageFilterGeometry, nativeApplyFilterFlip, jobject src, jint srcWidth, jint srcHeight, jobject dst, jint dstWidth, jint dstHeight, jint flip) {
20    char* destination = 0;
21    char* source = 0;
22    AndroidBitmap_lockPixels(env, src, (void**) &source);
23    AndroidBitmap_lockPixels(env, dst, (void**) &destination);
24    int i = 0;
25    for (; i < dstWidth * dstHeight * 4; i+=4) {
26        int r = source[RED];
27        int g = source[GREEN];
28        int b = source[BLUE];
29
30        destination[RED] = 255;
31        destination[GREEN] = g;
32        destination[BLUE] = b;
33    }
34    AndroidBitmap_unlockPixels(env, dst);
35    AndroidBitmap_unlockPixels(env, src);
36}
37