From 7c46d38c4a1df9712f808260ec56995cb77aa4a2 Mon Sep 17 00:00:00 2001 From: John Hoford Date: Tue, 2 Oct 2012 18:12:03 -0700 Subject: Add Shadow feature bug:7234321 Change-Id: Ib0d4db773486e469ed818385b68b7b907070c297 --- jni/filters/shadows.c | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 jni/filters/shadows.c (limited to 'jni/filters/shadows.c') diff --git a/jni/filters/shadows.c b/jni/filters/shadows.c new file mode 100644 index 000000000..da3e33cf9 --- /dev/null +++ b/jni/filters/shadows.c @@ -0,0 +1,39 @@ +/* + * 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 +#include "filters.h" + + void JNIFUNCF(ImageFilterShadows, nativeApplyFilter, jobject bitmap, jint width, jint height, jshortArray vlut) + { + char* destination = 0; + AndroidBitmap_lockPixels(env, bitmap, (void**) &destination); + unsigned char * rgb = (unsigned char * )destination; + int i; + int len = width * height * 4; + short* lut = (*env)->GetShortArrayElements(env, vlut,0); + unsigned short * hsv = (unsigned short *)malloc(3*sizeof(short)); + for (i = 0; i < len; i+=4) + { + rgb2hsv(rgb,i,hsv,0); + hsv[0] = lut[hsv[0]]; + hsv2rgb(hsv,0, rgb,i); + } + + (*env)->ReleaseShortArrayElements(env, vlut, lut, 0); + free(lut); + AndroidBitmap_unlockPixels(env, bitmap); + } -- cgit v1.2.3