| /* |
| * Copyright (C) 2013 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <math.h> |
| #include "filters.h" |
| |
| void JNIFUNCF(ImageFilterHighlights, nativeApplyFilter, jobject bitmap, |
| jint width, jint height, jfloatArray luminanceMap){ |
| char* destination = 0; |
| AndroidBitmap_lockPixels(env, bitmap, (void**) &destination); |
| unsigned char * rgb = (unsigned char * )destination; |
| int i; |
| int len = width * height * 4; |
| jfloat* lum = (*env)->GetFloatArrayElements(env, luminanceMap,0); |
| unsigned short * hsv = (unsigned short *)malloc(3*sizeof(short)); |
| |
| for (i = 0; i < len; i+=4) |
| { |
| rgb2hsv(rgb,i,hsv,0); |
| int v = clampMax(hsv[0],4080); |
| hsv[0] = (unsigned short) clampMax(lum[((255*v)/4080)]*4080,4080); |
| hsv2rgb(hsv,0, rgb,i); |
| } |
| |
| free(hsv); |
| AndroidBitmap_unlockPixels(env, bitmap); |
| } |