2 * Copyright (C) 2012 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 package com.android.gallery3d.filtershow.filters;
19 import android.graphics.Bitmap;
20 import android.graphics.Color;
23 public class ImageFilterBwFilter extends ImageFilter {
25 public ImageFilterBwFilter() {
32 public ImageFilter clone() throws CloneNotSupportedException {
33 ImageFilterBwFilter filter = (ImageFilterBwFilter) super.clone();
37 native protected void nativeApplyFilter(Bitmap bitmap, int w, int h, int r, int g, int b);
40 public Bitmap apply(Bitmap bitmap, float scaleFactor, boolean highQuality) {
41 int w = bitmap.getWidth();
42 int h = bitmap.getHeight();
43 float[] hsv = new float[] {
44 180 + mParameter, 1, 1
46 int rgb = Color.HSVToColor(hsv);
47 int r = 0xFF & (rgb >> 16);
48 int g = 0xFF & (rgb >> 8);
49 int b = 0xFF & (rgb >> 0);
50 nativeApplyFilter(bitmap, w, h, r, g, b);