| /* |
| * 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. |
| */ |
| |
| package com.android.gallery3d.filtershow.filters; |
| |
| import android.graphics.Bitmap; |
| import android.graphics.Canvas; |
| import android.graphics.Color; |
| import android.graphics.Paint; |
| import android.graphics.Path; |
| import android.graphics.RectF; |
| |
| public class ImageFilterParametricBorder extends ImageFilter { |
| private int mBorderColor = Color.WHITE; |
| private int mBorderSize = 10; |
| private int mBorderCornerRadius = 10; |
| |
| public ImageFilterParametricBorder() { |
| setFilterType(TYPE_BORDER); |
| mName = "Border"; |
| } |
| |
| public ImageFilterParametricBorder(int color, int size, int radius) { |
| setBorder(color, size, radius); |
| setFilterType(TYPE_BORDER); |
| } |
| |
| @Override |
| public ImageFilter clone() throws CloneNotSupportedException { |
| ImageFilterParametricBorder filter = (ImageFilterParametricBorder) super.clone(); |
| filter.setBorder(mBorderColor, mBorderSize, mBorderCornerRadius); |
| return filter; |
| } |
| |
| @Override |
| public boolean isNil() { |
| return false; |
| } |
| |
| @Override |
| public boolean same(ImageFilter filter) { |
| boolean isBorderFilter = super.same(filter); |
| if (!isBorderFilter) { |
| return false; |
| } |
| if (!(filter instanceof ImageFilterParametricBorder)) { |
| return false; |
| } |
| ImageFilterParametricBorder borderFilter = (ImageFilterParametricBorder) filter; |
| if (borderFilter.mBorderColor != mBorderColor) { |
| return false; |
| } |
| if (borderFilter.mBorderSize != mBorderSize) { |
| return false; |
| } |
| if (borderFilter.mBorderCornerRadius != mBorderCornerRadius) { |
| return false; |
| } |
| return true; |
| } |
| |
| public void setBorder(int color, int size, int radius) { |
| mBorderColor = color; |
| mBorderSize = size; |
| mBorderCornerRadius = radius; |
| } |
| |
| @Override |
| public Bitmap apply(Bitmap bitmap, float scaleFactor, boolean highQuality) { |
| Canvas canvas = new Canvas(bitmap); |
| Path border = new Path(); |
| border.moveTo(0, 0); |
| int w = bitmap.getWidth(); |
| int h = bitmap.getHeight(); |
| float bs = mBorderSize / 100.0f * bitmap.getWidth(); |
| float r = mBorderCornerRadius / 100.0f * bitmap.getWidth(); |
| border.lineTo(0, h); |
| border.lineTo(w, h); |
| border.lineTo(w, 0); |
| border.lineTo(0, 0); |
| border.addRoundRect(new RectF(bs, bs, w - bs, h - bs), |
| r, r, Path.Direction.CW); |
| |
| Paint paint = new Paint(); |
| paint.setAntiAlias(true); |
| paint.setColor(mBorderColor); |
| canvas.drawPath(border, paint); |
| return bitmap; |
| } |
| |
| } |