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#ifndef FILTERS_H
18#define FILTERS_H
19
20#include <jni.h>
21#include <string.h>
22#include <android/log.h>
23#include <android/bitmap.h>
24
25typedef unsigned int Color;
26
27#define SetColor(a, r, g, b) (((a) << 24) | ((b) << 16) | ((g) << 8) | ((r) << 0));
28#define GetA(color) (((color) >> 24) & 0xFF)
29#define GetB(color) (((color) >> 16) & 0xFF)
30#define GetG(color) (((color) >> 8) & 0xFF)
31#define GetR(color) (((color) >> 0) & 0xFF)
32
33#define MIN(a, b) ((a) < (b) ? (a) : (b))
34#define MAX(a, b) ((a) > (b) ? (a) : (b))
35
36#define LOG(msg...) __android_log_print(ANDROID_LOG_VERBOSE, "NativeFilters", msg)
37
38#define JNIFUNCF(cls, name, vars...) Java_com_android_gallery3d_filtershow_filters_ ## cls ## _ ## name(JNIEnv* env, jobject obj_unused __unused, vars)
39
40#define RED i
41#define GREEN (i+1)
42#define BLUE (i+2)
43#define ALPHA (i+3)
44#define CLAMP(c) (MAX(0, MIN(255, c)))
45
46extern unsigned char  clamp(int c);
47extern int clampMax(int c,int max);
48
49extern void rgb2hsv( unsigned char *rgb,int rgbOff,unsigned short *hsv,int hsvOff);
50extern void hsv2rgb(unsigned short *hsv,int hsvOff,unsigned char  *rgb,int rgbOff);
51extern void filterRedEye(unsigned char *src, unsigned char *dest, int iw, int ih, short *rect);
52extern double fastevalPoly(double *poly,int n, double x);
53#endif // FILTERS_H
54