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.Canvas;
21 import android.graphics.Paint;
22 import android.graphics.Path;
23 import android.graphics.RectF;
25 public class ImageFilterParametricBorder extends ImageFilter {
26 private FilterColorBorderRepresentation mParameters = null;
28 public ImageFilterParametricBorder() {
32 public void useRepresentation(FilterRepresentation representation) {
33 FilterColorBorderRepresentation parameters = (FilterColorBorderRepresentation) representation;
34 mParameters = parameters;
37 public FilterColorBorderRepresentation getParameters() {
41 private void applyHelper(Canvas canvas, int w, int h) {
42 if (getParameters() == null) {
45 Path border = new Path();
47 float bs = getParameters().getBorderSize() / 100.0f * w;
48 float r = getParameters().getBorderRadius() / 100.0f * w;
53 border.addRoundRect(new RectF(bs, bs, w - bs, h - bs),
54 r, r, Path.Direction.CW);
56 Paint paint = new Paint();
57 paint.setAntiAlias(true);
58 paint.setColor(getParameters().getColor());
59 canvas.drawPath(border, paint);
63 public Bitmap apply(Bitmap bitmap, float scaleFactor, int quality) {
64 Canvas canvas = new Canvas(bitmap);
65 applyHelper(canvas, bitmap.getWidth(), bitmap.getHeight());