diff options
Diffstat (limited to 'jni/filters/bwfilter.c')
-rw-r--r-- | jni/filters/bwfilter.c | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/jni/filters/bwfilter.c b/jni/filters/bwfilter.c deleted file mode 100644 index f7fb31ad1..000000000 --- a/jni/filters/bwfilter.c +++ /dev/null @@ -1,55 +0,0 @@ -/* - * Copyright (C) 2012 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(ImageFilterBwFilter, nativeApplyFilter, jobject bitmap, jint width, jint height, jint rw, jint gw, jint bw) -{ - char* destination = 0; - AndroidBitmap_lockPixels(env, bitmap, (void**) &destination); - unsigned char * rgb = (unsigned char * )destination; - float sr = rw; - float sg = gw; - float sb = bw; - - float min = MIN(sg,sb); - min = MIN(sr,min); - float max = MAX(sg,sb); - max = MAX(sr,max); - float avg = (min+max)/2; - sb /= avg; - sg /= avg; - sr /= avg; - int i; - int len = width * height * 4; - - for (i = 0; i < len; i+=4) - { - float r = sr *rgb[RED]; - float g = sg *rgb[GREEN]; - float b = sb *rgb[BLUE]; - min = MIN(g,b); - min = MIN(r,min); - max = MAX(g,b); - max = MAX(r,max); - avg =(min+max)/2; - rgb[RED] = CLAMP(avg); - rgb[GREEN] = rgb[RED]; - rgb[BLUE] = rgb[RED]; - } - AndroidBitmap_unlockPixels(env, bitmap); -} |