lib -> zxing-lite
This commit is contained in:
Jenly
666
zxing-lite/src/main/java/com/king/zxing/util/CodeUtils.java
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666
zxing-lite/src/main/java/com/king/zxing/util/CodeUtils.java
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@@ -0,0 +1,666 @@
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/*
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* Copyright (C) 2018 Jenly Yu
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.king.zxing.util;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Paint;
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import android.text.TextPaint;
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import android.text.TextUtils;
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import androidx.annotation.ColorInt;
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import androidx.annotation.FloatRange;
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import androidx.annotation.NonNull;
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import com.google.zxing.BarcodeFormat;
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import com.google.zxing.BinaryBitmap;
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import com.google.zxing.DecodeHintType;
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import com.google.zxing.EncodeHintType;
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import com.google.zxing.LuminanceSource;
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import com.google.zxing.MultiFormatReader;
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import com.google.zxing.MultiFormatWriter;
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import com.google.zxing.RGBLuminanceSource;
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import com.google.zxing.Result;
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import com.google.zxing.WriterException;
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import com.google.zxing.common.BitMatrix;
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import com.google.zxing.common.GlobalHistogramBinarizer;
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import com.google.zxing.common.HybridBinarizer;
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import com.google.zxing.qrcode.QRCodeWriter;
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import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
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import com.king.zxing.DecodeFormatManager;
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import java.util.HashMap;
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import java.util.Map;
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/**
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* @author Jenly <a href="mailto:jenly1314@gmail.com">Jenly</a>
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*/
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public final class CodeUtils {
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public static final int DEFAULT_REQ_WIDTH = 480;
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public static final int DEFAULT_REQ_HEIGHT = 640;
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private CodeUtils(){
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throw new AssertionError();
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}
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/**
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* 生成二维码
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* @param content 二维码的内容
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* @param heightPix 二维码的高
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* @return
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*/
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public static Bitmap createQRCode(String content, int heightPix) {
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return createQRCode(content,heightPix,null);
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}
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/**
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* 生成二维码
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* @param content 二维码的内容
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* @param heightPix 二维码的高
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* @param codeColor 二维码的颜色
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* @return
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*/
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public static Bitmap createQRCode(String content, int heightPix,int codeColor) {
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return createQRCode(content,heightPix,null,codeColor);
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}
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/**
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* 生成我二维码
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* @param content 二维码的内容
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* @param heightPix 二维码的高
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* @param logo logo大小默认占二维码的20%
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* @return
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*/
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public static Bitmap createQRCode(String content, int heightPix, Bitmap logo) {
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return createQRCode(content,heightPix,logo,Color.BLACK);
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}
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/**
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* 生成我二维码
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* @param content 二维码的内容
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* @param heightPix 二维码的高
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* @param logo logo大小默认占二维码的20%
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* @param codeColor 二维码的颜色
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* @return
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*/
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public static Bitmap createQRCode(String content, int heightPix, Bitmap logo,int codeColor) {
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return createQRCode(content,heightPix,logo,0.2f,codeColor);
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}
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/**
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* 生成二维码
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* @param content 二维码的内容
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* @param heightPix 二维码的高
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* @param logo 二维码中间的logo
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* @param ratio logo所占比例 因为二维码的最大容错率为30%，所以建议ratio的范围小于0.3
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* @return
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*/
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public static Bitmap createQRCode(String content, int heightPix, Bitmap logo,@FloatRange(from = 0.0f,to = 1.0f)float ratio) {
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//配置参数
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Map<EncodeHintType, Object> hints = new HashMap<>();
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hints.put( EncodeHintType.CHARACTER_SET, "utf-8");
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//容错级别
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hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
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//设置空白边距的宽度
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hints.put(EncodeHintType.MARGIN, 1); //default is 4
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return createQRCode(content,heightPix,logo,ratio,hints);
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}
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/**
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* 生成二维码
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* @param content 二维码的内容
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* @param heightPix 二维码的高
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* @param logo 二维码中间的logo
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* @param ratio logo所占比例 因为二维码的最大容错率为30%，所以建议ratio的范围小于0.3
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* @param codeColor 二维码的颜色
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* @return
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*/
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public static Bitmap createQRCode(String content, int heightPix, Bitmap logo,@FloatRange(from = 0.0f,to = 1.0f)float ratio,int codeColor) {
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//配置参数
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Map<EncodeHintType, Object> hints = new HashMap<>();
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hints.put( EncodeHintType.CHARACTER_SET, "utf-8");
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//容错级别
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hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
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//设置空白边距的宽度
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hints.put(EncodeHintType.MARGIN, 1); //default is 1
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return createQRCode(content,heightPix,logo,ratio,hints,codeColor);
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}
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public static Bitmap createQRCode(String content, int heightPix, Bitmap logo,@FloatRange(from = 0.0f,to = 1.0f)float ratio,Map<EncodeHintType,?> hints) {
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return createQRCode(content,heightPix,logo,ratio,hints,Color.BLACK);
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}
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/**
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* 生成二维码
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* @param content 二维码的内容
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* @param heightPix 二维码的高
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* @param logo 二维码中间的logo
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* @param ratio logo所占比例 因为二维码的最大容错率为30%，所以建议ratio的范围小于0.3
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* @param hints
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* @param codeColor 二维码的颜色
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* @return
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*/
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public static Bitmap createQRCode(String content, int heightPix, Bitmap logo,@FloatRange(from = 0.0f,to = 1.0f)float ratio,Map<EncodeHintType,?> hints,int codeColor) {
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try {
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// 图像数据转换，使用了矩阵转换
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BitMatrix bitMatrix = new QRCodeWriter().encode(content, BarcodeFormat.QR_CODE, heightPix, heightPix, hints);
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int[] pixels = new int[heightPix * heightPix];
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// 下面这里按照二维码的算法，逐个生成二维码的图片，
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// 两个for循环是图片横列扫描的结果
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for (int y = 0; y < heightPix; y++) {
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for (int x = 0; x < heightPix; x++) {
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if (bitMatrix.get(x, y)) {
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pixels[y * heightPix + x] = codeColor;
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} else {
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pixels[y * heightPix + x] = Color.WHITE;
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}
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}
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}
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// 生成二维码图片的格式
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Bitmap bitmap = Bitmap.createBitmap(heightPix, heightPix, Bitmap.Config.ARGB_8888);
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bitmap.setPixels(pixels, 0, heightPix, 0, 0, heightPix, heightPix);
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if (logo != null) {
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bitmap = addLogo(bitmap, logo,ratio);
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}
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return bitmap;
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} catch (Exception e) {
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LogUtils.w(e.getMessage());
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}
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return null;
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}
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/**
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* 在二维码中间添加Logo图案
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* @param src
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* @param logo
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* @param ratio logo所占比例 因为二维码的最大容错率为30%，所以建议ratio的范围小于0.3
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* @return
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*/
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private static Bitmap addLogo(Bitmap src, Bitmap logo,@FloatRange(from = 0.0f,to = 1.0f) float ratio) {
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if (src == null) {
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return null;
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}
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if (logo == null) {
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return src;
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}
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//获取图片的宽高
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int srcWidth = src.getWidth();
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int srcHeight = src.getHeight();
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int logoWidth = logo.getWidth();
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int logoHeight = logo.getHeight();
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if (srcWidth == 0 || srcHeight == 0) {
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return null;
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}
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if (logoWidth == 0 || logoHeight == 0) {
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return src;
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}
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//logo大小为二维码整体大小
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float scaleFactor = srcWidth * ratio / logoWidth;
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Bitmap bitmap;
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try {
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bitmap = Bitmap.createBitmap(srcWidth, srcHeight, Bitmap.Config.ARGB_8888);
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Canvas canvas = new Canvas(bitmap);
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canvas.drawBitmap(src, 0, 0, null);
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canvas.scale(scaleFactor, scaleFactor, srcWidth / 2, srcHeight / 2);
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canvas.drawBitmap(logo, (srcWidth - logoWidth) / 2, (srcHeight - logoHeight) / 2, null);
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canvas.save();
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canvas.restore();
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} catch (Exception e) {
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bitmap = null;
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LogUtils.w(e.getMessage());
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}
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return bitmap;
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}
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/**
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* 解析二维码图片
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* @param bitmapPath 需要解析的图片路径
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* @return
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*/
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public static String parseQRCode(String bitmapPath){
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Result result = parseQRCodeResult(bitmapPath);
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if(result != null){
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return result.getText();
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}
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return null;
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}
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/**
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* 解析二维码图片
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* @param bitmapPath 需要解析的图片路径
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* @return
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*/
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public static Result parseQRCodeResult(String bitmapPath){
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return parseQRCodeResult(bitmapPath,DEFAULT_REQ_WIDTH,DEFAULT_REQ_HEIGHT);
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}
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/**
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* 解析二维码图片
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* @param bitmapPath 需要解析的图片路径
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* @param reqWidth 请求目标宽度，如果实际图片宽度大于此值，会自动进行压缩处理，当 reqWidth 和 reqHeight都小于或等于0时，则不进行压缩处理
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* @param reqHeight 请求目标高度，如果实际图片高度大于此值，会自动进行压缩处理，当 reqWidth 和 reqHeight都小于或等于0时，则不进行压缩处理
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* @return
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*/
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public static Result parseQRCodeResult(String bitmapPath,int reqWidth,int reqHeight){
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return parseCodeResult(bitmapPath,reqWidth,reqHeight, DecodeFormatManager.QR_CODE_HINTS);
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}
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/**
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* 解析一维码/二维码图片
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* @param bitmapPath 需要解析的图片路径
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* @return
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*/
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public static String parseCode(String bitmapPath){
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return parseCode(bitmapPath, DecodeFormatManager.ALL_HINTS);
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}
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/**
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* 解析一维码/二维码图片
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* @param bitmapPath 需要解析的图片路径
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* @param hints 解析编码类型
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* @return
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*/
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public static String parseCode(String bitmapPath, Map<DecodeHintType,Object> hints){
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Result result = parseCodeResult(bitmapPath,hints);
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if(result != null){
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return result.getText();
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}
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return null;
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}
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/**
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* 解析二维码图片
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* @param bitmap 解析的图片
|
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* @return
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*/
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public static String parseQRCode(Bitmap bitmap){
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return parseCode(bitmap,DecodeFormatManager.QR_CODE_HINTS);
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}
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/**
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* 解析一维码/二维码图片
|
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* @param bitmap 解析的图片
|
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* @return
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*/
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public static String parseCode(Bitmap bitmap){
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return parseCode(bitmap,DecodeFormatManager.ALL_HINTS);
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}
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/**
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||||
* 解析一维码/二维码图片
|
||||
* @param bitmap 解析的图片
|
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* @param hints 解析编码类型
|
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* @return
|
||||
*/
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||||
public static String parseCode(Bitmap bitmap,Map<DecodeHintType,Object> hints){
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Result result = parseCodeResult(bitmap,hints);
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if(result != null){
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return result.getText();
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* 解析一维码/二维码图片
|
||||
* @param bitmapPath
|
||||
* @param hints 解析编码类型
|
||||
* @return
|
||||
*/
|
||||
public static Result parseCodeResult(String bitmapPath, Map<DecodeHintType,Object> hints){
|
||||
return parseCodeResult(bitmapPath,DEFAULT_REQ_WIDTH,DEFAULT_REQ_HEIGHT,hints);
|
||||
}
|
||||
|
||||
/**
|
||||
* 解析一维码/二维码图片
|
||||
* @param bitmapPath 需要解析的图片路径
|
||||
* @param reqWidth 请求目标宽度，如果实际图片宽度大于此值，会自动进行压缩处理，当 reqWidth 和 reqHeight都小于或等于0时，则不进行压缩处理
|
||||
* @param reqHeight 请求目标高度，如果实际图片高度大于此值，会自动进行压缩处理，当 reqWidth 和 reqHeight都小于或等于0时，则不进行压缩处理
|
||||
* @param hints 解析编码类型
|
||||
* @return
|
||||
*/
|
||||
public static Result parseCodeResult(String bitmapPath,int reqWidth,int reqHeight, Map<DecodeHintType,Object> hints){
|
||||
return parseCodeResult(compressBitmap(bitmapPath,reqWidth,reqHeight),hints);
|
||||
}
|
||||
|
||||
/**
|
||||
* 解析一维码/二维码图片
|
||||
* @param bitmap 解析的图片
|
||||
* @return
|
||||
*/
|
||||
public static Result parseCodeResult(Bitmap bitmap){
|
||||
return parseCodeResult(getRGBLuminanceSource(bitmap),DecodeFormatManager.ALL_HINTS);
|
||||
}
|
||||
|
||||
/**
|
||||
* 解析一维码/二维码图片
|
||||
* @param bitmap 解析的图片
|
||||
* @param hints 解析编码类型
|
||||
* @return
|
||||
*/
|
||||
public static Result parseCodeResult(Bitmap bitmap,Map<DecodeHintType,Object> hints){
|
||||
return parseCodeResult(getRGBLuminanceSource(bitmap),hints);
|
||||
}
|
||||
|
||||
/**
|
||||
* 解析一维码/二维码图片
|
||||
* @param source
|
||||
* @param hints
|
||||
* @return
|
||||
*/
|
||||
public static Result parseCodeResult(LuminanceSource source, Map<DecodeHintType,Object> hints){
|
||||
Result result = null;
|
||||
MultiFormatReader reader = new MultiFormatReader();
|
||||
try{
|
||||
reader.setHints(hints);
|
||||
if (source != null) {
|
||||
result = decodeInternal(reader,source);
|
||||
if(result == null){
|
||||
result = decodeInternal(reader,source.invert());
|
||||
}
|
||||
if(result == null && source.isRotateSupported()){
|
||||
result = decodeInternal(reader,source.rotateCounterClockwise());
|
||||
}
|
||||
}
|
||||
|
||||
}catch (Exception e){
|
||||
LogUtils.w(e.getMessage());
|
||||
}finally {
|
||||
reader.reset();
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
private static Result decodeInternal(MultiFormatReader reader,LuminanceSource source){
|
||||
Result result = null;
|
||||
try{
|
||||
try{
|
||||
//采用HybridBinarizer解析
|
||||
result = reader.decodeWithState(new BinaryBitmap(new HybridBinarizer(source)));
|
||||
}catch (Exception e){
|
||||
|
||||
}
|
||||
if(result == null){
|
||||
//如果没有解析成功，再采用GlobalHistogramBinarizer解析一次
|
||||
result = reader.decodeWithState(new BinaryBitmap(new GlobalHistogramBinarizer(source)));
|
||||
}
|
||||
}catch (Exception e){
|
||||
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* 压缩图片
|
||||
* @param path
|
||||
* @return
|
||||
*/
|
||||
private static Bitmap compressBitmap(String path,int reqWidth,int reqHeight){
|
||||
if(reqWidth > 0 && reqHeight > 0){//都大于进行判断是否压缩
|
||||
|
||||
BitmapFactory.Options newOpts = new BitmapFactory.Options();
|
||||
// 开始读入图片，此时把options.inJustDecodeBounds 设回true了
|
||||
newOpts.inJustDecodeBounds = true;//获取原始图片大小
|
||||
BitmapFactory.decodeFile(path, newOpts);// 此时返回bm为空
|
||||
float width = newOpts.outWidth;
|
||||
float height = newOpts.outHeight;
|
||||
// 缩放比，由于是固定比例缩放，只用高或者宽其中一个数据进行计算即可
|
||||
int wSize = 1;// wSize=1表示不缩放
|
||||
if (width > reqWidth) {// 如果宽度大的话根据宽度固定大小缩放
|
||||
wSize = (int) (width / reqWidth);
|
||||
}
|
||||
int hSize = 1;// wSize=1表示不缩放
|
||||
if (height > reqHeight) {// 如果高度高的话根据宽度固定大小缩放
|
||||
hSize = (int) (height / reqHeight);
|
||||
}
|
||||
int size = Math.max(wSize,hSize);
|
||||
if (size <= 0)
|
||||
size = 1;
|
||||
newOpts.inSampleSize = size;// 设置缩放比例
|
||||
// 重新读入图片，注意此时已经把options.inJustDecodeBounds 设回false了
|
||||
newOpts.inJustDecodeBounds = false;
|
||||
|
||||
return BitmapFactory.decodeFile(path, newOpts);
|
||||
|
||||
}
|
||||
|
||||
return BitmapFactory.decodeFile(path);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* 获取RGBLuminanceSource
|
||||
* @param bitmap
|
||||
* @return
|
||||
*/
|
||||
private static RGBLuminanceSource getRGBLuminanceSource(@NonNull Bitmap bitmap){
|
||||
int width = bitmap.getWidth();
|
||||
int height = bitmap.getHeight();
|
||||
|
||||
int[] pixels = new int[width * height];
|
||||
bitmap.getPixels(pixels, 0, bitmap.getWidth(), 0, 0, bitmap.getWidth(), bitmap.getHeight());
|
||||
return new RGBLuminanceSource(width, height, pixels);
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* 生成条形码
|
||||
* @param content
|
||||
* @param desiredWidth
|
||||
* @param desiredHeight
|
||||
* @return
|
||||
*/
|
||||
public static Bitmap createBarCode(String content, int desiredWidth, int desiredHeight) {
|
||||
return createBarCode(content,BarcodeFormat.CODE_128,desiredWidth,desiredHeight,null);
|
||||
}
|
||||
|
||||
/**
|
||||
* 生成条形码
|
||||
* @param content
|
||||
* @param format
|
||||
* @param desiredWidth
|
||||
* @param desiredHeight
|
||||
* @return
|
||||
*/
|
||||
public static Bitmap createBarCode(String content,BarcodeFormat format, int desiredWidth, int desiredHeight) {
|
||||
return createBarCode(content,format,desiredWidth,desiredHeight,null);
|
||||
}
|
||||
|
||||
public static Bitmap createBarCode(String content, int desiredWidth, int desiredHeight, boolean isShowText) {
|
||||
return createBarCode(content,BarcodeFormat.CODE_128,desiredWidth,desiredHeight,null,isShowText,40,Color.BLACK);
|
||||
}
|
||||
|
||||
/**
|
||||
* 生成条形码
|
||||
* @param content
|
||||
* @param desiredWidth
|
||||
* @param desiredHeight
|
||||
* @param isShowText
|
||||
* @param codeColor
|
||||
* @return
|
||||
*/
|
||||
public static Bitmap createBarCode(String content, int desiredWidth, int desiredHeight, boolean isShowText,@ColorInt int codeColor) {
|
||||
return createBarCode(content,BarcodeFormat.CODE_128,desiredWidth,desiredHeight,null,isShowText,40,codeColor);
|
||||
}
|
||||
|
||||
/**
|
||||
* 生成条形码
|
||||
* @param content
|
||||
* @param format
|
||||
* @param desiredWidth
|
||||
* @param desiredHeight
|
||||
* @param hints
|
||||
* @return
|
||||
*/
|
||||
public static Bitmap createBarCode(String content, BarcodeFormat format, int desiredWidth, int desiredHeight, Map<EncodeHintType,?> hints) {
|
||||
return createBarCode(content,format,desiredWidth,desiredHeight,hints,false,40,Color.BLACK);
|
||||
}
|
||||
|
||||
/**
|
||||
* 生成条形码
|
||||
* @param content
|
||||
* @param format
|
||||
* @param desiredWidth
|
||||
* @param desiredHeight
|
||||
* @param hints
|
||||
* @param isShowText
|
||||
* @return
|
||||
*/
|
||||
public static Bitmap createBarCode(String content, BarcodeFormat format, int desiredWidth, int desiredHeight, Map<EncodeHintType,?> hints, boolean isShowText) {
|
||||
return createBarCode(content,format,desiredWidth,desiredHeight,hints,isShowText,40,Color.BLACK);
|
||||
}
|
||||
|
||||
/**
|
||||
* 生成条形码
|
||||
* @param content
|
||||
* @param format
|
||||
* @param desiredWidth
|
||||
* @param desiredHeight
|
||||
* @param isShowText
|
||||
* @param codeColor
|
||||
* @return
|
||||
*/
|
||||
public static Bitmap createBarCode(String content, BarcodeFormat format, int desiredWidth, int desiredHeight, boolean isShowText,@ColorInt int codeColor) {
|
||||
return createBarCode(content,format,desiredWidth,desiredHeight,null,isShowText,40,codeColor);
|
||||
}
|
||||
|
||||
/**
|
||||
* 生成条形码
|
||||
* @param content
|
||||
* @param format
|
||||
* @param desiredWidth
|
||||
* @param desiredHeight
|
||||
* @param hints
|
||||
* @param isShowText
|
||||
* @return
|
||||
*/
|
||||
public static Bitmap createBarCode(String content, BarcodeFormat format, int desiredWidth, int desiredHeight, Map<EncodeHintType,?> hints, boolean isShowText,@ColorInt int codeColor) {
|
||||
return createBarCode(content,format,desiredWidth,desiredHeight,hints,isShowText,40,codeColor);
|
||||
}
|
||||
|
||||
/**
|
||||
* 生成条形码
|
||||
* @param content
|
||||
* @param format
|
||||
* @param desiredWidth
|
||||
* @param desiredHeight
|
||||
* @param hints
|
||||
* @param isShowText
|
||||
* @param textSize
|
||||
* @param codeColor
|
||||
* @return
|
||||
*/
|
||||
public static Bitmap createBarCode(String content,BarcodeFormat format, int desiredWidth, int desiredHeight,Map<EncodeHintType,?> hints,boolean isShowText,int textSize,@ColorInt int codeColor) {
|
||||
if(TextUtils.isEmpty(content)){
|
||||
return null;
|
||||
}
|
||||
final int WHITE = Color.WHITE;
|
||||
final int BLACK = codeColor;
|
||||
|
||||
MultiFormatWriter writer = new MultiFormatWriter();
|
||||
try {
|
||||
BitMatrix result = writer.encode(content, format, desiredWidth,
|
||||
desiredHeight, hints);
|
||||
int width = result.getWidth();
|
||||
int height = result.getHeight();
|
||||
int[] pixels = new int[width * height];
|
||||
// All are 0, or black, by default
|
||||
for (int y = 0; y < height; y++) {
|
||||
int offset = y * width;
|
||||
for (int x = 0; x < width; x++) {
|
||||
pixels[offset + x] = result.get(x, y) ? BLACK : WHITE;
|
||||
}
|
||||
}
|
||||
|
||||
Bitmap bitmap = Bitmap.createBitmap(width, height,
|
||||
Bitmap.Config.ARGB_8888);
|
||||
bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
|
||||
if(isShowText){
|
||||
return addCode(bitmap,content,textSize,codeColor,textSize/2);
|
||||
}
|
||||
return bitmap;
|
||||
} catch (WriterException e) {
|
||||
LogUtils.w(e.getMessage());
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* 条形码下面添加文本信息
|
||||
* @param src
|
||||
* @param code
|
||||
* @param textSize
|
||||
* @param textColor
|
||||
* @return
|
||||
*/
|
||||
private static Bitmap addCode(Bitmap src, String code, int textSize, @ColorInt int textColor, int offset) {
|
||||
if (src == null) {
|
||||
return null;
|
||||
}
|
||||
|
||||
if (TextUtils.isEmpty(code)) {
|
||||
return src;
|
||||
}
|
||||
|
||||
//获取图片的宽高
|
||||
int srcWidth = src.getWidth();
|
||||
int srcHeight = src.getHeight();
|
||||
|
||||
if (srcWidth <= 0 || srcHeight <= 0) {
|
||||
return null;
|
||||
}
|
||||
|
||||
Bitmap bitmap;
|
||||
try {
|
||||
bitmap = Bitmap.createBitmap(srcWidth, srcHeight + textSize + offset * 2, Bitmap.Config.ARGB_8888);
|
||||
Canvas canvas = new Canvas(bitmap);
|
||||
canvas.drawBitmap(src, 0, 0, null);
|
||||
TextPaint paint = new TextPaint();
|
||||
paint.setTextSize(textSize);
|
||||
paint.setColor(textColor);
|
||||
paint.setTextAlign(Paint.Align.CENTER);
|
||||
canvas.drawText(code,srcWidth/2,srcHeight + textSize /2 + offset,paint);
|
||||
canvas.save();
|
||||
canvas.restore();
|
||||
} catch (Exception e) {
|
||||
bitmap = null;
|
||||
LogUtils.w(e.getMessage());
|
||||
}
|
||||
|
||||
return bitmap;
|
||||
}
|
||||
|
||||
|
||||
|
||||
}
|
||||
314
zxing-lite/src/main/java/com/king/zxing/util/LogUtils.java
Normal file
314
zxing-lite/src/main/java/com/king/zxing/util/LogUtils.java
Normal file
@@ -0,0 +1,314 @@
|
||||
/*
|
||||
Copyright © 2015, 2016 Jenly Yu <a href="mailto:jenly1314@gmail.com">Jenly</a>
|
||||
|
||||
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.king.zxing.util;
|
||||
|
||||
|
||||
import android.util.Log;
|
||||
|
||||
/**
|
||||
* @author Jenly <a href="mailto:jenly1314@gmail.com">Jenly</a>
|
||||
*/
|
||||
public class LogUtils {
|
||||
|
||||
public static final String TAG = "ZXingLite";
|
||||
|
||||
public static final String VERTICAL = "|";
|
||||
|
||||
/** 是否显示Log日志 */
|
||||
private static boolean isShowLog = true;
|
||||
|
||||
/** Log日志优先权 */
|
||||
private static int priority = 1;
|
||||
|
||||
/**
|
||||
* Priority constant for the println method;use System.out.println
|
||||
*/
|
||||
public static final int PRINTLN = 1;
|
||||
|
||||
/**
|
||||
* Priority constant for the println method; use Log.v.
|
||||
*/
|
||||
public static final int VERBOSE = 2;
|
||||
|
||||
/**
|
||||
* Priority constant for the println method; use Log.d.
|
||||
*/
|
||||
public static final int DEBUG = 3;
|
||||
|
||||
/**
|
||||
* Priority constant for the println method; use Log.i.
|
||||
*/
|
||||
public static final int INFO = 4;
|
||||
|
||||
/**
|
||||
* Priority constant for the println method; use Log.w.
|
||||
*/
|
||||
public static final int WARN = 5;
|
||||
|
||||
/**
|
||||
* Priority constant for the println method; use Log.e.
|
||||
*/
|
||||
public static final int ERROR = 6;
|
||||
|
||||
/**
|
||||
* Priority constant for the println method.use Log.wtf.
|
||||
*/
|
||||
public static final int ASSERT = 7;
|
||||
|
||||
public static final String TAG_FORMAT = "%s.%s(%s:%d)";
|
||||
|
||||
private LogUtils(){
|
||||
throw new AssertionError();
|
||||
}
|
||||
|
||||
public static void setShowLog(boolean isShowLog) {
|
||||
|
||||
LogUtils.isShowLog = isShowLog;
|
||||
}
|
||||
|
||||
public static boolean isShowLog() {
|
||||
|
||||
return isShowLog;
|
||||
}
|
||||
|
||||
public static int getPriority() {
|
||||
|
||||
return priority;
|
||||
}
|
||||
|
||||
public static void setPriority(int priority) {
|
||||
|
||||
LogUtils.priority = priority;
|
||||
}
|
||||
|
||||
/**
|
||||
* 根据堆栈生成TAG
|
||||
* @return TAG|className.methodName(fileName:lineNumber)
|
||||
*/
|
||||
private static String generateTag(StackTraceElement caller) {
|
||||
String tag = TAG_FORMAT;
|
||||
String callerClazzName = caller.getClassName();
|
||||
callerClazzName = callerClazzName.substring(callerClazzName.lastIndexOf(".") + 1);
|
||||
tag = String.format(tag,callerClazzName, caller.getMethodName(),caller.getFileName(),caller.getLineNumber());
|
||||
return new StringBuilder().append(TAG).append(VERTICAL).append(tag).toString();
|
||||
}
|
||||
|
||||
/**
|
||||
* 获取堆栈
|
||||
* @param n
|
||||
* n=0 VMStack
|
||||
* n=1 Thread
|
||||
* n=3 CurrentStack
|
||||
* n=4 CallerStack
|
||||
* ...
|
||||
* @return
|
||||
*/
|
||||
public static StackTraceElement getStackTraceElement(int n) {
|
||||
return Thread.currentThread().getStackTrace()[n];
|
||||
}
|
||||
|
||||
/**
|
||||
* 获取调用方的堆栈TAG
|
||||
* @return
|
||||
*/
|
||||
private static String getCallerStackLogTag(){
|
||||
return generateTag(getStackTraceElement(5));
|
||||
}
|
||||
|
||||
/**
|
||||
*
|
||||
* @param t
|
||||
* @return
|
||||
*/
|
||||
private static String getStackTraceString(Throwable t){
|
||||
return Log.getStackTraceString(t);
|
||||
}
|
||||
|
||||
// -----------------------------------Log.v
|
||||
|
||||
/**
|
||||
* Log.v
|
||||
* @param msg
|
||||
*/
|
||||
public static void v(String msg) {
|
||||
if (isShowLog && priority <= VERBOSE)
|
||||
Log.v(getCallerStackLogTag(), String.valueOf(msg));
|
||||
|
||||
}
|
||||
|
||||
public static void v(Throwable t) {
|
||||
if (isShowLog && priority <= VERBOSE)
|
||||
Log.v(getCallerStackLogTag(), getStackTraceString(t));
|
||||
}
|
||||
|
||||
public static void v(String msg,Throwable t) {
|
||||
if (isShowLog && priority <= VERBOSE)
|
||||
Log.v(getCallerStackLogTag(), String.valueOf(msg), t);
|
||||
}
|
||||
|
||||
// -----------------------------------Log.d
|
||||
|
||||
/**
|
||||
* Log.d
|
||||
* @param msg
|
||||
*/
|
||||
public static void d(String msg) {
|
||||
if (isShowLog && priority <= DEBUG)
|
||||
Log.d(getCallerStackLogTag(), String.valueOf(msg));
|
||||
}
|
||||
|
||||
public static void d(Throwable t) {
|
||||
if (isShowLog && priority <= DEBUG)
|
||||
Log.d(getCallerStackLogTag(), getStackTraceString(t));
|
||||
}
|
||||
|
||||
public static void d(String msg,Throwable t) {
|
||||
if (isShowLog && priority <= DEBUG)
|
||||
Log.d(getCallerStackLogTag(), String.valueOf(msg), t);
|
||||
}
|
||||
|
||||
// -----------------------------------Log.i
|
||||
|
||||
/**
|
||||
* Log.i
|
||||
* @param msg
|
||||
*/
|
||||
public static void i(String msg) {
|
||||
if (isShowLog && priority <= INFO)
|
||||
Log.i(getCallerStackLogTag(), String.valueOf(msg));
|
||||
}
|
||||
|
||||
public static void i(Throwable t) {
|
||||
if (isShowLog && priority <= INFO)
|
||||
Log.i(getCallerStackLogTag(), getStackTraceString(t));
|
||||
}
|
||||
|
||||
public static void i(String msg,Throwable t) {
|
||||
if (isShowLog && priority <= INFO)
|
||||
Log.i(getCallerStackLogTag(), String.valueOf(msg), t);
|
||||
}
|
||||
|
||||
// -----------------------------------Log.w
|
||||
|
||||
/**
|
||||
* Log.w
|
||||
* @param msg
|
||||
*/
|
||||
public static void w(String msg) {
|
||||
if (isShowLog && priority <= WARN)
|
||||
Log.w(getCallerStackLogTag(), String.valueOf(msg));
|
||||
}
|
||||
|
||||
public static void w(Throwable t) {
|
||||
if (isShowLog && priority <= WARN)
|
||||
Log.w(getCallerStackLogTag(), getStackTraceString(t));
|
||||
}
|
||||
|
||||
public static void w(String msg,Throwable t) {
|
||||
if (isShowLog && priority <= WARN)
|
||||
Log.w(getCallerStackLogTag(), String.valueOf(msg), t);
|
||||
}
|
||||
|
||||
// -----------------------------------Log.e
|
||||
|
||||
/**
|
||||
* Log.e
|
||||
* @param msg
|
||||
*/
|
||||
public static void e(String msg) {
|
||||
if (isShowLog && priority <= ERROR)
|
||||
Log.e(getCallerStackLogTag(), String.valueOf(msg));
|
||||
}
|
||||
|
||||
public static void e(Throwable t) {
|
||||
if (isShowLog && priority <= ERROR)
|
||||
Log.e(getCallerStackLogTag(), getStackTraceString(t));
|
||||
}
|
||||
|
||||
public static void e(String msg,Throwable t) {
|
||||
if (isShowLog && priority <= ERROR)
|
||||
Log.e(getCallerStackLogTag(), String.valueOf(msg), t);
|
||||
}
|
||||
|
||||
// -----------------------------------Log.wtf
|
||||
|
||||
/**
|
||||
* Log.wtf
|
||||
* @param msg
|
||||
*/
|
||||
public static void wtf(String msg) {
|
||||
if (isShowLog && priority <= ASSERT)
|
||||
Log.wtf(getCallerStackLogTag(), String.valueOf(msg));
|
||||
}
|
||||
|
||||
public static void wtf(Throwable t) {
|
||||
if (isShowLog && priority <= ASSERT)
|
||||
Log.wtf(getCallerStackLogTag(), getStackTraceString(t));
|
||||
}
|
||||
|
||||
public static void wtf(String msg,Throwable t) {
|
||||
if (isShowLog && priority <= ASSERT)
|
||||
Log.wtf(getCallerStackLogTag(), String.valueOf(msg), t);
|
||||
}
|
||||
|
||||
// -----------------------------------System.out.print
|
||||
|
||||
/**
|
||||
* System.out.print
|
||||
*
|
||||
* @param msg
|
||||
*/
|
||||
public static void print(String msg) {
|
||||
if (isShowLog && priority <= PRINTLN)
|
||||
System.out.print(msg);
|
||||
}
|
||||
|
||||
public static void print(Object obj) {
|
||||
if (isShowLog && priority <= PRINTLN)
|
||||
System.out.print(obj);
|
||||
}
|
||||
|
||||
// -----------------------------------System.out.printf
|
||||
|
||||
/**
|
||||
* System.out.printf
|
||||
*
|
||||
* @param msg
|
||||
*/
|
||||
public static void printf(String msg) {
|
||||
if (isShowLog && priority <= PRINTLN)
|
||||
System.out.printf(msg);
|
||||
}
|
||||
|
||||
// -----------------------------------System.out.println
|
||||
|
||||
/**
|
||||
* System.out.println
|
||||
*
|
||||
* @param msg
|
||||
*/
|
||||
public static void println(String msg) {
|
||||
if (isShowLog && priority <= PRINTLN)
|
||||
System.out.println(msg);
|
||||
}
|
||||
|
||||
public static void println(Object obj) {
|
||||
if (isShowLog && priority <= PRINTLN)
|
||||
System.out.println(obj);
|
||||
}
|
||||
|
||||
}
|
||||
@@ -0,0 +1,111 @@
|
||||
package com.king.zxing.util;
|
||||
|
||||
import android.app.Activity;
|
||||
import android.content.Context;
|
||||
import android.content.pm.PackageManager;
|
||||
|
||||
import androidx.annotation.IntRange;
|
||||
import androidx.annotation.NonNull;
|
||||
import androidx.core.app.ActivityCompat;
|
||||
import androidx.fragment.app.Fragment;
|
||||
|
||||
/**
|
||||
* @author <a href="mailto:jenly1314@gmail.com">Jenly</a>
|
||||
*/
|
||||
public class PermissionUtils {
|
||||
|
||||
private PermissionUtils(){
|
||||
throw new AssertionError();
|
||||
}
|
||||
|
||||
/**
|
||||
* 检测是否授权
|
||||
* @param context
|
||||
* @param permission
|
||||
* @return 返回{@code true} 表示已授权，{@code false}表示未授权
|
||||
*/
|
||||
public static boolean checkPermission(@NonNull Context context, @NonNull String permission){
|
||||
return ActivityCompat.checkSelfPermission(context,permission) == PackageManager.PERMISSION_GRANTED;
|
||||
}
|
||||
|
||||
/**
|
||||
* 请求权限
|
||||
* @param activity
|
||||
* @param permission
|
||||
* @param requestCode
|
||||
*/
|
||||
public static void requestPermission(@NonNull Activity activity,@NonNull String permission, @IntRange(from = 0) int requestCode){
|
||||
requestPermissions(activity,new String[]{permission},requestCode);
|
||||
}
|
||||
|
||||
/**
|
||||
* 请求权限
|
||||
* @param fragment
|
||||
* @param permission
|
||||
* @param requestCode
|
||||
*/
|
||||
public static void requestPermission(@NonNull Fragment fragment, @NonNull String permission, @IntRange(from = 0) int requestCode){
|
||||
requestPermissions(fragment,new String[]{permission},requestCode);
|
||||
}
|
||||
|
||||
/**
|
||||
* 请求权限
|
||||
* @param activity
|
||||
* @param permissions
|
||||
* @param requestCode
|
||||
*/
|
||||
public static void requestPermissions(@NonNull Activity activity,@NonNull String[] permissions, @IntRange(from = 0) int requestCode){
|
||||
ActivityCompat.requestPermissions(activity,permissions,requestCode);
|
||||
}
|
||||
|
||||
/**
|
||||
* 请求权限
|
||||
* @param fragment
|
||||
* @param permissions
|
||||
* @param requestCode
|
||||
*/
|
||||
public static void requestPermissions(@NonNull Fragment fragment,@NonNull String[] permissions, @IntRange(from = 0) int requestCode){
|
||||
fragment.requestPermissions(permissions,requestCode);
|
||||
}
|
||||
|
||||
/**
|
||||
* 请求权限结果
|
||||
* @param requestPermission 请求的权限
|
||||
* @param permissions
|
||||
* @param grantResults
|
||||
* @return 返回{@code true} 表示已授权，{@code false}表示未授权
|
||||
*/
|
||||
public static boolean requestPermissionsResult(@NonNull String requestPermission, @NonNull String[] permissions, @NonNull int[] grantResults){
|
||||
int length = permissions.length;
|
||||
for(int i = 0; i < length; i++){
|
||||
if(requestPermission.equals(permissions[i])){
|
||||
if(grantResults[i] == PackageManager.PERMISSION_GRANTED){
|
||||
return true;
|
||||
}
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* 请求权限结果
|
||||
* @param requestPermissions 请求的权限
|
||||
* @param permissions
|
||||
* @param grantResults
|
||||
* @return 返回{@code true} 表示全部已授权，{@code false}表示未全部授权
|
||||
*/
|
||||
public static boolean requestPermissionsResult(@NonNull String[] requestPermissions, @NonNull String[] permissions, @NonNull int[] grantResults){
|
||||
int length = permissions.length;
|
||||
for(int i = 0; i < length; i++){
|
||||
for(int j = 0; j < requestPermissions.length; j++){
|
||||
if(requestPermissions[j].equals(permissions[i])){
|
||||
if(grantResults[i] != PackageManager.PERMISSION_GRANTED){
|
||||
return false;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
}
|
||||
Reference in New Issue
Block a user