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Commit 47808a3c authored by 罗超's avatar 罗超
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新增咖啡页面

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pages.json
View file @ 47808a3c
...@@ -840,6 +840,24 @@ ...@@ -840,6 +840,24 @@
"navigationStyle": "custom" "navigationStyle": "custom"
} }
}] }]
},
// 咖啡
{
"root": "pages/coffee",
"pages": [
{
"path": "index", //咖啡首页
"style": {
"navigationStyle": "custom"
}
},
{
"path": "buy", //购买页
"style": {
"navigationStyle": "custom"
}
}
]
} }
], ],
"globalStyle": { "globalStyle": {
......
pages/coffee/buy.vue 0 → 100644
View file @ 47808a3c
<template>
<view class="coffeeBuy">
<view class="topBox" :style="{paddingTop:`${statusNavBar}px`}">
<image src="https://viitto-1301420277.cos.ap-chengdu.myqcloud.com/Static/educationStu/coffee/banner2.png"
mode="widthFix" class="bg"></image>
<view class="nav">
<u-icon name="arrow-left" size="40" color="#fff"></u-icon>
<view class="title">
购买
</view>
</view>
</view>
<view class="con">
<view v-for="(item,index) in pageData.GiveAwayList" :key="index" class="item">
<image src="https://viitto-1301420277.cos.ap-chengdu.myqcloud.com/Static/educationStu/coffee/cup2.png"
style="width: 130rpx;height: 130rpx;"></image>
<view class="itemInfo">
<view class="BuyNum">
星巴克咖啡{{item.BuyNum}}杯
</view>
<view class="GiveAway">
买{{item.BuyNum}}杯赠{{item.GiveAwayNum}}杯
</view>
<view class="validate">
购入有限期9个月
</view>
</view>
<view class="itemInfo2">
<view class="money">
<text class="icon">￥</text>
<text>{{item.BuyNum*pageData.SellingPrice}}</text>
</view>
<view class="buyBtn">
立即购买
</view>
</view>
</view>
</view>
<view class="menu">
<view class="menuTitle">咖啡菜单</view>
</view>
</view>
</template>
<script>
export default {
data() {
return {
statusNavBar: 0,
pageData: {},
}
},
methods: {
getData() {
this.request2({
url: '/api/AppletCoffee/GetMyCoffeeCouponsInfo',
data: {}
},
res => {
this.pageData = res.data
}
);
},
},
mounted() {
this.statusNavBar = uni.getSystemInfoSync().statusBarHeight
this.getData()
},
}
</script>
<style lang="scss" scoped>
.coffeeBuy {
box-sizing: border-box;
min-height: 100vh;
background-color: #FFFFFF;
}
.topBox {
height: 489rpx;
position: relative;
.bg {
width: 100vw;
height: auto;
position: absolute;
top: 0;
left: 0;
z-index: 0;
}
.nav {
height: 80rpx;
padding: 0 30rpx;
display: flex;
align-items: center;
.title {
font-size: 30rpx;
font-weight: 500;
color: #FFFFFF;
margin-left: 275rpx;
z-index: 5;
}
}
}
.con {
padding: 40rpx;
.item {
height: 214rpx;
background-color: #FBF5E9;
border: 3rpx solid;
border-radius: 10rpx;
border-image: -webkit-linear-gradient(left, #f3edda, #eadfbc, #ece0bd) 3 3;
margin-bottom: 36rpx;
display: flex;
justify-content: space-between;
align-items: center;
padding: 30rpx 40rpx;
.itemInfo {
width: 230rpx;
.BuyNum {
font-size: 32rpx;
font-weight: 500;
color: #000000;
margin-bottom: 20rpx;
}
.GiveAway {
padding: 4rpx 10rpx;
background-color: #F65C10;
border-radius: 4rpx;
text-align: center;
font-size: 20rpx;
font-weight: 500;
color: #FFFFFF;
display: inline-block;
margin-bottom: 15rpx;
}
.validate {
font-size: 20rpx;
font-weight: 400;
color: #C2B499;
}
}
.itemInfo2 {
// width: 200rpx;
.money {
text-align: center;
font-size: 48rpx;
font-weight: bold;
color: #F65C10;
.icon {
font-size: 28rpx;
}
}
.buyBtn {
width: 200rpx;
height: 78rpx;
background-color: #3E766E;
border-radius: 39rpx;
font-size: 28rpx;
font-weight: 500;
color: #FFFFFF;
text-align: center;
line-height: 78rpx;
}
}
}
}
.menu {
width: 670rpx;
height: 270rpx;
background-color: #F4F4F5;
border-radius: 10rpx;
margin: 0 auto;
padding: 25rpx 40rpx;
.menuTitle {
margin: 20rpx 150rpx;
line-height: 2rpx;
border-left: 70rpx solid #000;
border-right: 70rpx solid #000;
text-align: center;
font-size: 28rpx;
font-weight: bold;
color: #101010;
}
}
</style>
pages/coffee/index.vue 0 → 100644
View file @ 47808a3c
<template>
<view class="coffeeIndex">
<view class="topBox" :style="{paddingTop:`${statusNavBar}px`}">
<view class="bg1"></view>
<image src="https://viitto-1301420277.cos.ap-chengdu.myqcloud.com/Static/educationStu/coffee/bg.png"
mode="widthFix" style="width: 100vw;height: auto;" class="bg2"></image>
<view class="nav">
<u-icon name="arrow-left" size="40"></u-icon>
</view>
<view class="welcomeText">
你好,同学
</view>
<view class="scanBtn" @click="showPopup">
<image
src="https://viitto-1301420277.cos.ap-chengdu.myqcloud.com/Static/educationStu/coffee/ScanCode.png"
mode="heightFix" style="height: 37rpx; width: auto;margin-right: 10px;"></image>
<text>消费码</text>
</view>
</view>
<view class="goods">
<view class="goodsItem goodsItem1">
<view class="num">
<text>{{pageData.SurplusBugNum||0}}</text>
<text class="unit">杯</text>
</view>
<view class="goodsinfo">
<view class="left">
<view class="goodsinfoTitle">
剩余已购
</view>
<view class="validate">
有效期:2022.12.25
</view>
</view>
<image
src="https://viitto-1301420277.cos.ap-chengdu.myqcloud.com/Static/educationStu/coffee/cup.png"
mode="heightFix" style="height: 90rpx;width: auto;"></image>
</view>
</view>
<view class="goodsItem goodsItem2">
<image src="https://viitto-1301420277.cos.ap-chengdu.myqcloud.com/Static/educationStu/coffee/free.png"
mode="heightFix" class="freeLogo"></image>
<view class="num">
<text>{{pageData.FreeNum||0}}</text>
<text class="unit">杯</text>
</view>
<view class="goodsinfo">
<view class="left">
<view class="goodsinfoTitle">
剩余已购
</view>
<view class="validate">
有效期:2022.12.25
</view>
</view>
<image
src="https://viitto-1301420277.cos.ap-chengdu.myqcloud.com/Static/educationStu/coffee/cup.png"
mode="heightFix" style="height: 90rpx;width: auto;"></image>
</view>
</view>
</view>
<view class="buyBtn" @click="jump('/coffee/buy')">
<text>立即购买</text>
<view class="tipBox" v-if="pageData.GiveAwayList&&pageData.GiveAwayList.length>0">
<view class="tipText">
买{{pageData.GiveAwayList[0].BuyNum}}赠{{pageData.GiveAwayList[0].GiveAwayNum}}
</view>
<view class="tipIcon">
</view>
</view>
</view>
<view class="logBtn">
<view class="logitem buy">
购买记录
</view>
<view class="logitem spend">
消费记录
</view>
</view>
<u-popup v-model="isShowQrcode" mode="center">
<view style="margin: 60rpx;">
<Qrcode ref="qrcode" :modal="modal_qr" :url="url" @hideQrcode="hideQrcode" :width="300" :height="300" themeColor="#44766E" is_themeImg :h_w_img="80" :themeImg="headImg"/>
</view>
</u-popup>
</view>
</template>
<script>
import Qrcode from "./qrcode/ay-qrcode.vue"
export default {
components: {
Qrcode
},
data() {
return {
statusNavBar: 0,
modal_qr: false,
url: 'http://baidu.com/s', // 要生成的二维码值
isShowQrcode: false,
headImg:"https://viitto-1301420277.cos.ap-chengdu.myqcloud.com/Static/educationStu/coffee/cup.png",
pageData:{}
}
},
onLoad() {
this.statusNavBar = uni.getSystemInfoSync().statusBarHeight
if(uni.getStorageSync('mall_UserInfo').Photo){
this.headImg=uni.getStorageSync('mall_UserInfo').Photo
}
this.showQrcode(); //一加载生成二维码
this.getData()
},
methods: {
showPopup(){
this.isShowQrcode=true
},
// 展示二维码
showQrcode() {
let _this = this;
this.modal_qr = true;
setTimeout(function() {
_this.$refs.qrcode.crtQrCode()
}, 50)
},
//传入组件的方法
hideQrcode() {
this.modal_qr = false;
},
jump(url){
uni.navigateTo({
url:"/pages"+url,
})
},
getData(){
this.request2({
url: '/api/AppletCoffee/GetMyCoffeeCouponsInfo',
data: {}
},
res => {
this.pageData=res.data
}
);
},
}
}
</script>
<style lang="scss" scoped>
.coffeeIndex {
box-sizing: border-box;
min-height: 100vh;
background-color: #F5F5F5;
}
.topBox {
height: 725rpx;
position: relative;
}
.bg1 {
width: 600rpx;
height: 420rpx;
border-radius: 50%;
background-color: #EFE9DA;
position: absolute;
top: -190rpx;
left: -195rpx;
}
.bg2 {
position: absolute;
bottom: 0rpx;
left: 0rpx;
}
.nav {
height: 80rpx;
padding: 0 30rpx;
display: flex;
align-items: center;
}
.welcomeText {
font-size: 46rpx;
font-family: PingFang SC;
font-weight: bold;
color: #232323;
position: absolute;
top: 150rpx;
left: 65rpx;
}
.scanBtn {
width: 185rpx;
height: 78rpx;
background-color: #3E766E;
border-radius: 39rpx;
position: absolute;
top: 235rpx;
left: 65rpx;
display: flex;
justify-content: center;
align-items: center;
font-size: 28rpx;
font-family: PingFang SC;
// font-weight: 500;
color: #FFFFFF;
}
.goods {
position: relative;
.goodsItem {
width: 320rpx;
height: 216rpx;
background: linear-gradient(90deg, #F7F7F7, #FFFFFF);
box-shadow: 0px 27rpx 40rpx 0rpx rgba(76, 76, 76, 0.1);
border-radius: 20rpx;
position: absolute;
top: -40rpx;
padding: 40rpx 25rpx 30rpx 30rpx;
.num {
font-size: 50rpx;
font-family: PingFang SC;
font-weight: 800;
color: #000000;
margin-bottom: 15rpx;
line-height: 40rpx;
.unit {
font-size: 28rpx;
margin-left: 10px;
font-weight: 500;
}
}
}
.goodsinfo {
display: flex;
justify-content: space-between;
.goodsinfoTitle {
font-size: 28rpx;
font-weight: 500;
color: #000000;
margin: 10rpx 0;
}
.validate {
font-size: 20rpx;
font-weight: 500;
color: #CCCCCC;
}
}
.goodsItem1 {
left: 40rpx;
}
.goodsItem2 {
right: 40rpx;
overflow: hidden;
.freeLogo {
height: 80rpx;
width: auto;
position: absolute;
top: 0;
right: 0;
border-top-right-radius: 20rpx;
}
}
}
.buyBtn {
width: 656rpx;
height: 90rpx;
background-color: #3E766E;
border-radius: 45rpx;
display: flex;
justify-content: center;
align-items: center;
margin: 295rpx auto 0;
font-size: 28rpx;
font-family: PingFang SC;
font-weight: 500;
color: #FFFFFF;
position: relative;
.tipBox {
position: absolute;
top: -20rpx;
left: 390rpx;
.tipText {
width: 146rpx;
height: 45rpx;
background-color: #F3ED4A;
border-radius: 22.5rpx;
font-size: 24rpx;
font-weight: 600;
color: #484501;
display: flex;
justify-content: center;
align-items: center;
}
.tipIcon {
width: 0;
height: 0;
border-top: 15rpx solid #F3ED4A;
border-right: 10rpx solid transparent;
border-left: 6rpx solid transparent;
margin-left: 20rpx;
}
}
}
.logBtn {
display: flex;
justify-content: center;
align-items: center;
margin-top: 90rpx;
.logitem {
font-size: 28rpx;
font-family: PingFang SC;
font-weight: 500;
color: #3E766E;
}
.buy {
margin-right: 130rpx;
}
}
</style>
pages/coffee/qrcode/ay-qrcode.vue 0 → 100644
View file @ 47808a3c
<template>
<view :class="modal?'show-qrcode':'hide-qrcode'">
<view class="box-qrcode" :style="{'margin-left': marginLeft + 'px'}" @longtap="longtapCode">
<!-- style="width: 550rpx;height: 550rpx;" -->
<canvas class="canvas-qrcode" :style="style_w_h" :canvas-id="qrcode_id">
<!-- #ifndef MP -->
<view v-if="modal&&is_themeImg" :style="style_w_h" class="box-img-qrcode">
<image :style="style_w_h_img" mode="scaleToFill" :src="themeImg"></image>
</view>
<!-- #endif -->
</canvas>
<!-- <image mode="scaleToFill" :src="imagePath"></image> -->
</view>
</view>
</template>
<script>
var qr_we = require("./qrcode_wx.js");
const qrCode = require('./weapp-qrcode.js')
export default {
data() {
return {
isAndroid : false ,
show: true,
imagePath: '',
// qrcode_id: 'qrcode_id',
marginLeft: 0,
//一般的安卓app只需加30就能显示全
//苹果app的不加就能显示全，加了就要弄margin-left
//有些安卓app显示不全
add_num : 30 ,
add_num_key : 'rectify_code_key',
}
},
props: {
modal: {
type: Boolean,
default: false
},
url: {
type: String,
default: ''
},
height: {
type: Number,
default: 260
},
width: {
type: Number,
default: 260
},
themeColor: {
type: String,
default: '#333333',
},
qrcode_id: {
type: String,
default: 'qrcode_id',
},
is_themeImg: {
type: Boolean,
default: false,
},
themeImg: {
type: String,
default: 'https://cdn.pixabay.com/photo/2016/11/29/13/24/balloons-1869816__340.jpg',
},
h_w_img: {
type: Number,
default: 30
},
},
watch:{
},
computed: {
style_w_h() {
return this.set_style_w_h();
},
style_w_h_img() {
let that = this;
var height = parseInt(that.h_w_img);
var width = parseInt(that.h_w_img);
var style = '';
if (height > 0) {
style = `height:${height*2}rpx;`;
}
if (width > 0) {
style += `width:${width*2}rpx;z-index: 2;`;
}
return style;
},
},
created: function() {
let that = this;
try {
//app苹果二维码不居中
//#ifndef MP
let isAndroid = false ;
const res = uni.getSystemInfoSync();
if(res.platform == 'android'){
isAndroid = true ;
}else{
isAndroid = false ;
}
if (!isAndroid) {
that.marginLeft = 46;
}
that.isAndroid = isAndroid ;
try {
const add_num = uni.getStorageSync(that.add_num_key);
if (add_num) {
that.add_num = add_num;
}
} catch (e) {
// error
}
// #endif
} catch (e) {
// error
}
//#ifdef MP
//that.marginLeft = 40;
// #endif
},
methods: {
set_style_w_h(){
let that = this;
var height = parseInt(that.height);
var width = parseInt(that.width);
var style = '';
var height = height*2 ;
var width = width*2 ;
//#ifndef MP
var add = that.add_num ;
height += add;
width += add;
// #endif
if (height > 0) {
style = `height:${height}rpx;`;
}
if (width > 0) {
style += `width:${width}rpx;`;
}
return style;
},
hideQrcode() {
this.$emit("hideQrcode")
},
// 二维码生成工具
crtQrCode() {
let that = this;
//#ifndef MP
new qrCode(that.qrcode_id, {
text: this.url,
width: that.width,
height: that.height,
colorDark: that.themeColor,//#333333
colorLight: "#FFFFFF",
correctLevel: qrCode.CorrectLevel.H,
})
// #endif
//#ifdef MP
that.createQrCode(this.url, that.qrcode_id, that.width, that.height,that.themeColor,that.is_themeImg,that.themeImg,that.h_w_img);
// #endif
//that.createQrCode(this.url, that.qrcode_id, that.width, that.height);
},
//#ifdef MP
createQrCode: function(url, canvasId, cavW, cavH,cavColor,haveImg,imgurl,imgsize) {
//调用插件中的draw方法，绘制二维码图片
qr_we.api.draw(url, canvasId, cavW, cavH,cavColor,haveImg,imgurl,imgsize, this, this.canvasToTempImage);
// setTimeout(() => { this.canvasToTempImage();},100);
},
// #endif
//获取临时缓存照片路径，存入data中
canvasToTempImage: function() {
var that = this;
},
saveImage: function() {
var that = this;
uni.canvasToTempFilePath({
canvasId: that.qrcode_id,
success: function(res) {
var tempFilePath = res.tempFilePath;
console.log(tempFilePath);
that.imagePath = tempFilePath;
//保存到相册
// uni.saveFile({
// tempFilePath: tempFilePath,
// success: function (res2) {
// var savedFilePath = res2.savedFilePath;
// }
// });
uni.saveImageToPhotosAlbum({
filePath : tempFilePath ,
success: function (res3) {
uni.showModal({
title: '提示',
content: '保存成功',
confirmText: '确定',
showCancel: false,
confirmColor: '#33CCCC',
success(res4) {
}
})
},
});
},
fail: function(res) {
console.log(res);
}
}, that);
},
//微信小程序支持：长按二维码，提示是否保存相册
//安卓APP长按校正二维码
longtapCode(){
var that = this;
//#ifndef MP
uni.showModal({
title: '校正二维码',
content: '二维码是否异常',
confirmText: '确定',
confirmColor: '#33CCCC',
success(res) {
if (res.confirm) {
that.rectify_code();
}
}
})
// #endif
//#ifdef MP-WEIXIN
uni.showModal({
title: '提示',
content: '是否保存到相册',
confirmText: '确定',
confirmColor: '#33CCCC',
success(res) {
if (res.confirm) {
that.saveImage();
}
}
})
// #endif
},
//安卓有些手机不正常，长按可选择矫正
rectify_code(){
var that = this;
let add_num = that.add_num ;
add_num += 30 ;
that.add_num = add_num;
that.crtQrCode();//重新生成才会立即覆盖
try {
//第一次长按校正设置了就不用在设置
uni.setStorage({
key: that.add_num_key,
data: add_num,
success: function() {
}
});
} catch (e) {
// error
}
},
},
mounted() {}
}
</script>
<style scoped lang="scss">
// .qrcode-box {
// position: fixed;
// left: 0;
// top: 0;
// right: 0;
// bottom: 0;
// height: 100vh;
// width: 100vw;
// background-color: rgba(59, 59, 59, 0.6);
// // opacity: 0.8;
// text-align: center;
// display: flex;
// align-items: center;
// display: none;
// .qrcode-item {
// flex: 1;
// position: relative;
// text-align: center;
// .item-box {
// width: 90%;
// margin: auto;
// display: inline-block;
// margin-top: 30%;
// padding-bottom: 30rpx;
// // animation: show 0.7s;
// .title {
// font-size: 46rpx;
// text-align: center;
// margin-bottom: 24rpx;
// }
// .canvas {
// margin: auto;
// display: inline-block;
// margin: auto;
// }
// background-color: #FFFFFF;
// }
// }
// }
.box-qrcode{
text-align: center;
position: relative;
.box-img-qrcode{
position: absolute;
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
z-index: 2;
}
}
image{
width: 60upx;
height: 60upx;
border-radius: 50%;
}
.canvas-qrcode {
margin: auto;
display: inline-block;
float: left;
}
.opacity-qrcode {
opacity: 0;
display: block;
}
.show-qrcode {
display: block;
animation: fade 0.7s;
// -moz-animation: fade 0.5s; /* Firefox */
// -webkit-animation: fade 0.5s; /* Safari 和 Chrome */
// -o-animation: fade 0.5s;
}
.hide-qrcode {
animation: hide 0.7s;
}
@keyframes fade {
from {
opacity: 0.8;
}
to {
opacity: 1;
}
}
@keyframes hide {
from {
opacity: 1;
}
to {
opacity: 0;
}
}
</style>
pages/coffee/qrcode/qrcode_wx.js 0 → 100644
View file @ 47808a3c
!(function() {
// alignment pattern
var adelta = [
0, 11, 15, 19, 23, 27, 31,
16, 18, 20, 22, 24, 26, 28, 20, 22, 24, 24, 26, 28, 28, 22, 24, 24,
26, 26, 28, 28, 24, 24, 26, 26, 26, 28, 28, 24, 26, 26, 26, 28, 28
];
// version block
var vpat = [
0xc94, 0x5bc, 0xa99, 0x4d3, 0xbf6, 0x762, 0x847, 0x60d,
0x928, 0xb78, 0x45d, 0xa17, 0x532, 0x9a6, 0x683, 0x8c9,
0x7ec, 0xec4, 0x1e1, 0xfab, 0x08e, 0xc1a, 0x33f, 0xd75,
0x250, 0x9d5, 0x6f0, 0x8ba, 0x79f, 0xb0b, 0x42e, 0xa64,
0x541, 0xc69
];
// final format bits with mask: level << 3 | mask
var fmtword = [
0x77c4, 0x72f3, 0x7daa, 0x789d, 0x662f, 0x6318, 0x6c41, 0x6976, //L
0x5412, 0x5125, 0x5e7c, 0x5b4b, 0x45f9, 0x40ce, 0x4f97, 0x4aa0, //M
0x355f, 0x3068, 0x3f31, 0x3a06, 0x24b4, 0x2183, 0x2eda, 0x2bed, //Q
0x1689, 0x13be, 0x1ce7, 0x19d0, 0x0762, 0x0255, 0x0d0c, 0x083b //H
];
// 4 per version: number of blocks 1,2; data width; ecc width
var eccblocks = [
1, 0, 19, 7, 1, 0, 16, 10, 1, 0, 13, 13, 1, 0, 9, 17,
1, 0, 34, 10, 1, 0, 28, 16, 1, 0, 22, 22, 1, 0, 16, 28,
1, 0, 55, 15, 1, 0, 44, 26, 2, 0, 17, 18, 2, 0, 13, 22,
1, 0, 80, 20, 2, 0, 32, 18, 2, 0, 24, 26, 4, 0, 9, 16,
1, 0, 108, 26, 2, 0, 43, 24, 2, 2, 15, 18, 2, 2, 11, 22,
2, 0, 68, 18, 4, 0, 27, 16, 4, 0, 19, 24, 4, 0, 15, 28,
2, 0, 78, 20, 4, 0, 31, 18, 2, 4, 14, 18, 4, 1, 13, 26,
2, 0, 97, 24, 2, 2, 38, 22, 4, 2, 18, 22, 4, 2, 14, 26,
2, 0, 116, 30, 3, 2, 36, 22, 4, 4, 16, 20, 4, 4, 12, 24,
2, 2, 68, 18, 4, 1, 43, 26, 6, 2, 19, 24, 6, 2, 15, 28,
4, 0, 81, 20, 1, 4, 50, 30, 4, 4, 22, 28, 3, 8, 12, 24,
2, 2, 92, 24, 6, 2, 36, 22, 4, 6, 20, 26, 7, 4, 14, 28,
4, 0, 107, 26, 8, 1, 37, 22, 8, 4, 20, 24, 12, 4, 11, 22,
3, 1, 115, 30, 4, 5, 40, 24, 11, 5, 16, 20, 11, 5, 12, 24,
5, 1, 87, 22, 5, 5, 41, 24, 5, 7, 24, 30, 11, 7, 12, 24,
5, 1, 98, 24, 7, 3, 45, 28, 15, 2, 19, 24, 3, 13, 15, 30,
1, 5, 107, 28, 10, 1, 46, 28, 1, 15, 22, 28, 2, 17, 14, 28,
5, 1, 120, 30, 9, 4, 43, 26, 17, 1, 22, 28, 2, 19, 14, 28,
3, 4, 113, 28, 3, 11, 44, 26, 17, 4, 21, 26, 9, 16, 13, 26,
3, 5, 107, 28, 3, 13, 41, 26, 15, 5, 24, 30, 15, 10, 15, 28,
4, 4, 116, 28, 17, 0, 42, 26, 17, 6, 22, 28, 19, 6, 16, 30,
2, 7, 111, 28, 17, 0, 46, 28, 7, 16, 24, 30, 34, 0, 13, 24,
4, 5, 121, 30, 4, 14, 47, 28, 11, 14, 24, 30, 16, 14, 15, 30,
6, 4, 117, 30, 6, 14, 45, 28, 11, 16, 24, 30, 30, 2, 16, 30,
8, 4, 106, 26, 8, 13, 47, 28, 7, 22, 24, 30, 22, 13, 15, 30,
10, 2, 114, 28, 19, 4, 46, 28, 28, 6, 22, 28, 33, 4, 16, 30,
8, 4, 122, 30, 22, 3, 45, 28, 8, 26, 23, 30, 12, 28, 15, 30,
3, 10, 117, 30, 3, 23, 45, 28, 4, 31, 24, 30, 11, 31, 15, 30,
7, 7, 116, 30, 21, 7, 45, 28, 1, 37, 23, 30, 19, 26, 15, 30,
5, 10, 115, 30, 19, 10, 47, 28, 15, 25, 24, 30, 23, 25, 15, 30,
13, 3, 115, 30, 2, 29, 46, 28, 42, 1, 24, 30, 23, 28, 15, 30,
17, 0, 115, 30, 10, 23, 46, 28, 10, 35, 24, 30, 19, 35, 15, 30,
17, 1, 115, 30, 14, 21, 46, 28, 29, 19, 24, 30, 11, 46, 15, 30,
13, 6, 115, 30, 14, 23, 46, 28, 44, 7, 24, 30, 59, 1, 16, 30,
12, 7, 121, 30, 12, 26, 47, 28, 39, 14, 24, 30, 22, 41, 15, 30,
6, 14, 121, 30, 6, 34, 47, 28, 46, 10, 24, 30, 2, 64, 15, 30,
17, 4, 122, 30, 29, 14, 46, 28, 49, 10, 24, 30, 24, 46, 15, 30,
4, 18, 122, 30, 13, 32, 46, 28, 48, 14, 24, 30, 42, 32, 15, 30,
20, 4, 117, 30, 40, 7, 47, 28, 43, 22, 24, 30, 10, 67, 15, 30,
19, 6, 118, 30, 18, 31, 47, 28, 34, 34, 24, 30, 20, 61, 15, 30
];
// Galois field log table
var glog = [
0xff, 0x00, 0x01, 0x19, 0x02, 0x32, 0x1a, 0xc6, 0x03, 0xdf, 0x33, 0xee, 0x1b, 0x68, 0xc7, 0x4b,
0x04, 0x64, 0xe0, 0x0e, 0x34, 0x8d, 0xef, 0x81, 0x1c, 0xc1, 0x69, 0xf8, 0xc8, 0x08, 0x4c, 0x71,
0x05, 0x8a, 0x65, 0x2f, 0xe1, 0x24, 0x0f, 0x21, 0x35, 0x93, 0x8e, 0xda, 0xf0, 0x12, 0x82, 0x45,
0x1d, 0xb5, 0xc2, 0x7d, 0x6a, 0x27, 0xf9, 0xb9, 0xc9, 0x9a, 0x09, 0x78, 0x4d, 0xe4, 0x72, 0xa6,
0x06, 0xbf, 0x8b, 0x62, 0x66, 0xdd, 0x30, 0xfd, 0xe2, 0x98, 0x25, 0xb3, 0x10, 0x91, 0x22, 0x88,
0x36, 0xd0, 0x94, 0xce, 0x8f, 0x96, 0xdb, 0xbd, 0xf1, 0xd2, 0x13, 0x5c, 0x83, 0x38, 0x46, 0x40,
0x1e, 0x42, 0xb6, 0xa3, 0xc3, 0x48, 0x7e, 0x6e, 0x6b, 0x3a, 0x28, 0x54, 0xfa, 0x85, 0xba, 0x3d,
0xca, 0x5e, 0x9b, 0x9f, 0x0a, 0x15, 0x79, 0x2b, 0x4e, 0xd4, 0xe5, 0xac, 0x73, 0xf3, 0xa7, 0x57,
0x07, 0x70, 0xc0, 0xf7, 0x8c, 0x80, 0x63, 0x0d, 0x67, 0x4a, 0xde, 0xed, 0x31, 0xc5, 0xfe, 0x18,
0xe3, 0xa5, 0x99, 0x77, 0x26, 0xb8, 0xb4, 0x7c, 0x11, 0x44, 0x92, 0xd9, 0x23, 0x20, 0x89, 0x2e,
0x37, 0x3f, 0xd1, 0x5b, 0x95, 0xbc, 0xcf, 0xcd, 0x90, 0x87, 0x97, 0xb2, 0xdc, 0xfc, 0xbe, 0x61,
0xf2, 0x56, 0xd3, 0xab, 0x14, 0x2a, 0x5d, 0x9e, 0x84, 0x3c, 0x39, 0x53, 0x47, 0x6d, 0x41, 0xa2,
0x1f, 0x2d, 0x43, 0xd8, 0xb7, 0x7b, 0xa4, 0x76, 0xc4, 0x17, 0x49, 0xec, 0x7f, 0x0c, 0x6f, 0xf6,
0x6c, 0xa1, 0x3b, 0x52, 0x29, 0x9d, 0x55, 0xaa, 0xfb, 0x60, 0x86, 0xb1, 0xbb, 0xcc, 0x3e, 0x5a,
0xcb, 0x59, 0x5f, 0xb0, 0x9c, 0xa9, 0xa0, 0x51, 0x0b, 0xf5, 0x16, 0xeb, 0x7a, 0x75, 0x2c, 0xd7,
0x4f, 0xae, 0xd5, 0xe9, 0xe6, 0xe7, 0xad, 0xe8, 0x74, 0xd6, 0xf4, 0xea, 0xa8, 0x50, 0x58, 0xaf
];
// Galios field exponent table
var gexp = [
0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1d, 0x3a, 0x74, 0xe8, 0xcd, 0x87, 0x13, 0x26,
0x4c, 0x98, 0x2d, 0x5a, 0xb4, 0x75, 0xea, 0xc9, 0x8f, 0x03, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0,
0x9d, 0x27, 0x4e, 0x9c, 0x25, 0x4a, 0x94, 0x35, 0x6a, 0xd4, 0xb5, 0x77, 0xee, 0xc1, 0x9f, 0x23,
0x46, 0x8c, 0x05, 0x0a, 0x14, 0x28, 0x50, 0xa0, 0x5d, 0xba, 0x69, 0xd2, 0xb9, 0x6f, 0xde, 0xa1,
0x5f, 0xbe, 0x61, 0xc2, 0x99, 0x2f, 0x5e, 0xbc, 0x65, 0xca, 0x89, 0x0f, 0x1e, 0x3c, 0x78, 0xf0,
0xfd, 0xe7, 0xd3, 0xbb, 0x6b, 0xd6, 0xb1, 0x7f, 0xfe, 0xe1, 0xdf, 0xa3, 0x5b, 0xb6, 0x71, 0xe2,
0xd9, 0xaf, 0x43, 0x86, 0x11, 0x22, 0x44, 0x88, 0x0d, 0x1a, 0x34, 0x68, 0xd0, 0xbd, 0x67, 0xce,
0x81, 0x1f, 0x3e, 0x7c, 0xf8, 0xed, 0xc7, 0x93, 0x3b, 0x76, 0xec, 0xc5, 0x97, 0x33, 0x66, 0xcc,
0x85, 0x17, 0x2e, 0x5c, 0xb8, 0x6d, 0xda, 0xa9, 0x4f, 0x9e, 0x21, 0x42, 0x84, 0x15, 0x2a, 0x54,
0xa8, 0x4d, 0x9a, 0x29, 0x52, 0xa4, 0x55, 0xaa, 0x49, 0x92, 0x39, 0x72, 0xe4, 0xd5, 0xb7, 0x73,
0xe6, 0xd1, 0xbf, 0x63, 0xc6, 0x91, 0x3f, 0x7e, 0xfc, 0xe5, 0xd7, 0xb3, 0x7b, 0xf6, 0xf1, 0xff,
0xe3, 0xdb, 0xab, 0x4b, 0x96, 0x31, 0x62, 0xc4, 0x95, 0x37, 0x6e, 0xdc, 0xa5, 0x57, 0xae, 0x41,
0x82, 0x19, 0x32, 0x64, 0xc8, 0x8d, 0x07, 0x0e, 0x1c, 0x38, 0x70, 0xe0, 0xdd, 0xa7, 0x53, 0xa6,
0x51, 0xa2, 0x59, 0xb2, 0x79, 0xf2, 0xf9, 0xef, 0xc3, 0x9b, 0x2b, 0x56, 0xac, 0x45, 0x8a, 0x09,
0x12, 0x24, 0x48, 0x90, 0x3d, 0x7a, 0xf4, 0xf5, 0xf7, 0xf3, 0xfb, 0xeb, 0xcb, 0x8b, 0x0b, 0x16,
0x2c, 0x58, 0xb0, 0x7d, 0xfa, 0xe9, 0xcf, 0x83, 0x1b, 0x36, 0x6c, 0xd8, 0xad, 0x47, 0x8e, 0x00
];
// Working buffers:
// data input and ecc append, image working buffer, fixed part of image, run lengths for badness
var strinbuf = [],
eccbuf = [],
qrframe = [],
framask = [],
rlens = [];
// Control values - width is based on version, last 4 are from table.
var version, width, neccblk1, neccblk2, datablkw, eccblkwid;
var ecclevel = 2;
// set bit to indicate cell in qrframe is immutable. symmetric around diagonal
function setmask(x, y) {
var bt;
if (x > y) {
bt = x;
x = y;
y = bt;
}
// y*y = 1+3+5...
bt = y;
bt *= y;
bt += y;
bt >>= 1;
bt += x;
framask[bt] = 1;
}
// enter alignment pattern - black to qrframe, white to mask (later black frame merged to mask)
function putalign(x, y) {
var j;
qrframe[x + width * y] = 1;
for (j = -2; j < 2; j++) {
qrframe[(x + j) + width * (y - 2)] = 1;
qrframe[(x - 2) + width * (y + j + 1)] = 1;
qrframe[(x + 2) + width * (y + j)] = 1;
qrframe[(x + j + 1) + width * (y + 2)] = 1;
}
for (j = 0; j < 2; j++) {
setmask(x - 1, y + j);
setmask(x + 1, y - j);
setmask(x - j, y - 1);
setmask(x + j, y + 1);
}
}
//========================================================================
// Reed Solomon error correction
// exponentiation mod N
function modnn(x) {
while (x >= 255) {
x -= 255;
x = (x >> 8) + (x & 255);
}
return x;
}
var genpoly = [];
// Calculate and append ECC data to data block. Block is in strinbuf, indexes to buffers given.
function appendrs(data, dlen, ecbuf, eclen) {
var i, j, fb;
for (i = 0; i < eclen; i++)
strinbuf[ecbuf + i] = 0;
for (i = 0; i < dlen; i++) {
fb = glog[strinbuf[data + i] ^ strinbuf[ecbuf]];
if (fb != 255) /* fb term is non-zero */
for (j = 1; j < eclen; j++)
strinbuf[ecbuf + j - 1] = strinbuf[ecbuf + j] ^ gexp[modnn(fb + genpoly[eclen - j])];
else
for (j = ecbuf; j < ecbuf + eclen; j++)
strinbuf[j] = strinbuf[j + 1];
strinbuf[ecbuf + eclen - 1] = fb == 255 ? 0 : gexp[modnn(fb + genpoly[0])];
}
}
//========================================================================
// Frame data insert following the path rules
// check mask - since symmetrical use half.
function ismasked(x, y) {
var bt;
if (x > y) {
bt = x;
x = y;
y = bt;
}
bt = y;
bt += y * y;
bt >>= 1;
bt += x;
return framask[bt];
}
//========================================================================
// Apply the selected mask out of the 8.
function applymask(m) {
var x, y, r3x, r3y;
switch (m) {
case 0:
for (y = 0; y < width; y++)
for (x = 0; x < width; x++)
if (!((x + y) & 1) && !ismasked(x, y))
qrframe[x + y * width] ^= 1;
break;
case 1:
for (y = 0; y < width; y++)
for (x = 0; x < width; x++)
if (!(y & 1) && !ismasked(x, y))
qrframe[x + y * width] ^= 1;
break;
case 2:
for (y = 0; y < width; y++)
for (r3x = 0, x = 0; x < width; x++, r3x++) {
if (r3x == 3)
r3x = 0;
if (!r3x && !ismasked(x, y))
qrframe[x + y * width] ^= 1;
}
break;
case 3:
for (r3y = 0, y = 0; y < width; y++, r3y++) {
if (r3y == 3)
r3y = 0;
for (r3x = r3y, x = 0; x < width; x++, r3x++) {
if (r3x == 3)
r3x = 0;
if (!r3x && !ismasked(x, y))
qrframe[x + y * width] ^= 1;
}
}
break;
case 4:
for (y = 0; y < width; y++)
for (r3x = 0, r3y = ((y >> 1) & 1), x = 0; x < width; x++, r3x++) {
if (r3x == 3) {
r3x = 0;
r3y = !r3y;
}
if (!r3y && !ismasked(x, y))
qrframe[x + y * width] ^= 1;
}
break;
case 5:
for (r3y = 0, y = 0; y < width; y++, r3y++) {
if (r3y == 3)
r3y = 0;
for (r3x = 0, x = 0; x < width; x++, r3x++) {
if (r3x == 3)
r3x = 0;
if (!((x & y & 1) + !(!r3x | !r3y)) && !ismasked(x, y))
qrframe[x + y * width] ^= 1;
}
}
break;
case 6:
for (r3y = 0, y = 0; y < width; y++, r3y++) {
if (r3y == 3)
r3y = 0;
for (r3x = 0, x = 0; x < width; x++, r3x++) {
if (r3x == 3)
r3x = 0;
if (!(((x & y & 1) + (r3x && (r3x == r3y))) & 1) && !ismasked(x, y))
qrframe[x + y * width] ^= 1;
}
}
break;
case 7:
for (r3y = 0, y = 0; y < width; y++, r3y++) {
if (r3y == 3)
r3y = 0;
for (r3x = 0, x = 0; x < width; x++, r3x++) {
if (r3x == 3)
r3x = 0;
if (!(((r3x && (r3x == r3y)) + ((x + y) & 1)) & 1) && !ismasked(x, y))
qrframe[x + y * width] ^= 1;
}
}
break;
}
return;
}
// Badness coefficients.
var N1 = 3,
N2 = 3,
N3 = 40,
N4 = 10;
// Using the table of the length of each run, calculate the amount of bad image
// - long runs or those that look like finders; called twice, once each for X and Y
function badruns(length) {
var i;
var runsbad = 0;
for (i = 0; i <= length; i++)
if (rlens[i] >= 5)
runsbad += N1 + rlens[i] - 5;
// BwBBBwB as in finder
for (i = 3; i < length - 1; i += 2)
if (rlens[i - 2] == rlens[i + 2] &&
rlens[i + 2] == rlens[i - 1] &&
rlens[i - 1] == rlens[i + 1] &&
rlens[i - 1] * 3 == rlens[i]
// white around the black pattern? Not part of spec
&&
(rlens[i - 3] == 0 // beginning
||
i + 3 > length // end
||
rlens[i - 3] * 3 >= rlens[i] * 4 || rlens[i + 3] * 3 >= rlens[i] * 4)
)
runsbad += N3;
return runsbad;
}
// Calculate how bad the masked image is - blocks, imbalance, runs, or finders.
function badcheck() {
var x, y, h, b, b1;
var thisbad = 0;
var bw = 0;
// blocks of same color.
for (y = 0; y < width - 1; y++)
for (x = 0; x < width - 1; x++)
if ((qrframe[x + width * y] && qrframe[(x + 1) + width * y] &&
qrframe[x + width * (y + 1)] && qrframe[(x + 1) + width * (y + 1)]) // all black
||
!(qrframe[x + width * y] || qrframe[(x + 1) + width * y] ||
qrframe[x + width * (y + 1)] || qrframe[(x + 1) + width * (y + 1)])) // all white
thisbad += N2;
// X runs
for (y = 0; y < width; y++) {
rlens[0] = 0;
for (h = b = x = 0; x < width; x++) {
if ((b1 = qrframe[x + width * y]) == b)
rlens[h]++;
else
rlens[++h] = 1;
b = b1;
bw += b ? 1 : -1;
}
thisbad += badruns(h);
}
// black/white imbalance
if (bw < 0)
bw = -bw;
var big = bw;
var count = 0;
big += big << 2;
big <<= 1;
while (big > width * width)
big -= width * width, count++;
thisbad += count * N4;
// Y runs
for (x = 0; x < width; x++) {
rlens[0] = 0;
for (h = b = y = 0; y < width; y++) {
if ((b1 = qrframe[x + width * y]) == b)
rlens[h]++;
else
rlens[++h] = 1;
b = b1;
}
thisbad += badruns(h);
}
return thisbad;
}
function genframe(instring) {
var x, y, k, t, v, i, j, m;
// find the smallest version that fits the string
t = instring.length;
version = 0;
do {
version++;
k = (ecclevel - 1) * 4 + (version - 1) * 16;
neccblk1 = eccblocks[k++];
neccblk2 = eccblocks[k++];
datablkw = eccblocks[k++];
eccblkwid = eccblocks[k];
k = datablkw * (neccblk1 + neccblk2) + neccblk2 - 3 + (version <= 9);
if (t <= k)
break;
} while (version < 40);
// FIXME - insure that it fits insted of being truncated
width = 17 + 4 * version;
// allocate, clear and setup data structures
v = datablkw + (datablkw + eccblkwid) * (neccblk1 + neccblk2) + neccblk2;
for (t = 0; t < v; t++)
eccbuf[t] = 0;
strinbuf = instring.slice(0);
for (t = 0; t < width * width; t++)
qrframe[t] = 0;
for (t = 0; t < (width * (width + 1) + 1) / 2; t++)
framask[t] = 0;
// insert finders - black to frame, white to mask
for (t = 0; t < 3; t++) {
k = 0;
y = 0;
if (t == 1)
k = (width - 7);
if (t == 2)
y = (width - 7);
qrframe[(y + 3) + width * (k + 3)] = 1;
for (x = 0; x < 6; x++) {
qrframe[(y + x) + width * k] = 1;
qrframe[y + width * (k + x + 1)] = 1;
qrframe[(y + 6) + width * (k + x)] = 1;
qrframe[(y + x + 1) + width * (k + 6)] = 1;
}
for (x = 1; x < 5; x++) {
setmask(y + x, k + 1);
setmask(y + 1, k + x + 1);
setmask(y + 5, k + x);
setmask(y + x + 1, k + 5);
}
for (x = 2; x < 4; x++) {
qrframe[(y + x) + width * (k + 2)] = 1;
qrframe[(y + 2) + width * (k + x + 1)] = 1;
qrframe[(y + 4) + width * (k + x)] = 1;
qrframe[(y + x + 1) + width * (k + 4)] = 1;
}
}
// alignment blocks
if (version > 1) {
t = adelta[version];
y = width - 7;
for (;;) {
x = width - 7;
while (x > t - 3) {
putalign(x, y);
if (x < t)
break;
x -= t;
}
if (y <= t + 9)
break;
y -= t;
putalign(6, y);
putalign(y, 6);
}
}
// single black
qrframe[8 + width * (width - 8)] = 1;
// timing gap - mask only
for (y = 0; y < 7; y++) {
setmask(7, y);
setmask(width - 8, y);
setmask(7, y + width - 7);
}
for (x = 0; x < 8; x++) {
setmask(x, 7);
setmask(x + width - 8, 7);
setmask(x, width - 8);
}
// reserve mask-format area
for (x = 0; x < 9; x++)
setmask(x, 8);
for (x = 0; x < 8; x++) {
setmask(x + width - 8, 8);
setmask(8, x);
}
for (y = 0; y < 7; y++)
setmask(8, y + width - 7);
// timing row/col
for (x = 0; x < width - 14; x++)
if (x & 1) {
setmask(8 + x, 6);
setmask(6, 8 + x);
}
else {
qrframe[(8 + x) + width * 6] = 1;
qrframe[6 + width * (8 + x)] = 1;
}
// version block
if (version > 6) {
t = vpat[version - 7];
k = 17;
for (x = 0; x < 6; x++)
for (y = 0; y < 3; y++, k--)
if (1 & (k > 11 ? version >> (k - 12) : t >> k)) {
qrframe[(5 - x) + width * (2 - y + width - 11)] = 1;
qrframe[(2 - y + width - 11) + width * (5 - x)] = 1;
}
else {
setmask(5 - x, 2 - y + width - 11);
setmask(2 - y + width - 11, 5 - x);
}
}
// sync mask bits - only set above for white spaces, so add in black bits
for (y = 0; y < width; y++)
for (x = 0; x <= y; x++)
if (qrframe[x + width * y])
setmask(x, y);
// convert string to bitstream
// 8 bit data to QR-coded 8 bit data (numeric or alphanum, or kanji not supported)
v = strinbuf.length;
// string to array
for (i = 0; i < v; i++)
eccbuf[i] = strinbuf.charCodeAt(i);
strinbuf = eccbuf.slice(0);
// calculate max string length
x = datablkw * (neccblk1 + neccblk2) + neccblk2;
if (v >= x - 2) {
v = x - 2;
if (version > 9)
v--;
}
// shift and repack to insert length prefix
i = v;
if (version > 9) {
strinbuf[i + 2] = 0;
strinbuf[i + 3] = 0;
while (i--) {
t = strinbuf[i];
strinbuf[i + 3] |= 255 & (t << 4);
strinbuf[i + 2] = t >> 4;
}
strinbuf[2] |= 255 & (v << 4);
strinbuf[1] = v >> 4;
strinbuf[0] = 0x40 | (v >> 12);
} else {
strinbuf[i + 1] = 0;
strinbuf[i + 2] = 0;
while (i--) {
t = strinbuf[i];
strinbuf[i + 2] |= 255 & (t << 4);
strinbuf[i + 1] = t >> 4;
}
strinbuf[1] |= 255 & (v << 4);
strinbuf[0] = 0x40 | (v >> 4);
}
// fill to end with pad pattern
i = v + 3 - (version < 10);
while (i < x) {
strinbuf[i++] = 0xec;
// buffer has room if (i == x) break;
strinbuf[i++] = 0x11;
}
// calculate and append ECC
// calculate generator polynomial
genpoly[0] = 1;
for (i = 0; i < eccblkwid; i++) {
genpoly[i + 1] = 1;
for (j = i; j > 0; j--)
genpoly[j] = genpoly[j] ?
genpoly[j - 1] ^ gexp[modnn(glog[genpoly[j]] + i)] : genpoly[j - 1];
genpoly[0] = gexp[modnn(glog[genpoly[0]] + i)];
}
for (i = 0; i <= eccblkwid; i++)
genpoly[i] = glog[genpoly[i]]; // use logs for genpoly[] to save calc step
// append ecc to data buffer
k = x;
y = 0;
for (i = 0; i < neccblk1; i++) {
appendrs(y, datablkw, k, eccblkwid);
y += datablkw;
k += eccblkwid;
}
for (i = 0; i < neccblk2; i++) {
appendrs(y, datablkw + 1, k, eccblkwid);
y += datablkw + 1;
k += eccblkwid;
}
// interleave blocks
y = 0;
for (i = 0; i < datablkw; i++) {
for (j = 0; j < neccblk1; j++)
eccbuf[y++] = strinbuf[i + j * datablkw];
for (j = 0; j < neccblk2; j++)
eccbuf[y++] = strinbuf[(neccblk1 * datablkw) + i + (j * (datablkw + 1))];
}
for (j = 0; j < neccblk2; j++)
eccbuf[y++] = strinbuf[(neccblk1 * datablkw) + i + (j * (datablkw + 1))];
for (i = 0; i < eccblkwid; i++)
for (j = 0; j < neccblk1 + neccblk2; j++)
eccbuf[y++] = strinbuf[x + i + j * eccblkwid];
strinbuf = eccbuf;
// pack bits into frame avoiding masked area.
x = y = width - 1;
k = v = 1; // up, minus
/* inteleaved data and ecc codes */
m = (datablkw + eccblkwid) * (neccblk1 + neccblk2) + neccblk2;
for (i = 0; i < m; i++) {
t = strinbuf[i];
for (j = 0; j < 8; j++, t <<= 1) {
if (0x80 & t)
qrframe[x + width * y] = 1;
do { // find next fill position
if (v)
x--;
else {
x++;
if (k) {
if (y != 0)
y--;
else {
x -= 2;
k = !k;
if (x == 6) {
x--;
y = 9;
}
}
} else {
if (y != width - 1)
y++;
else {
x -= 2;
k = !k;
if (x == 6) {
x--;
y -= 8;
}
}
}
}
v = !v;
} while (ismasked(x, y));
}
}
// save pre-mask copy of frame
strinbuf = qrframe.slice(0);
t = 0; // best
y = 30000; // demerit
// for instead of while since in original arduino code
// if an early mask was "good enough" it wouldn't try for a better one
// since they get more complex and take longer.
for (k = 0; k < 8; k++) {
applymask(k); // returns black-white imbalance
x = badcheck();
if (x < y) { // current mask better than previous best?
y = x;
t = k;
}
if (t == 7)
break; // don't increment i to a void redoing mask
qrframe = strinbuf.slice(0); // reset for next pass
}
if (t != k) // redo best mask - none good enough, last wasn't t
applymask(t);
// add in final mask/ecclevel bytes
y = fmtword[t + ((ecclevel - 1) << 3)];
// low byte
for (k = 0; k < 8; k++, y >>= 1)
if (y & 1) {
qrframe[(width - 1 - k) + width * 8] = 1;
if (k < 6)
qrframe[8 + width * k] = 1;
else
qrframe[8 + width * (k + 1)] = 1;
}
// high byte
for (k = 0; k < 7; k++, y >>= 1)
if (y & 1) {
qrframe[8 + width * (width - 7 + k)] = 1;
if (k)
qrframe[(6 - k) + width * 8] = 1;
else
qrframe[7 + width * 8] = 1;
}
return qrframe;
}
var _canvas = null;
var api = {
get ecclevel() {
return ecclevel;
},
set ecclevel(val) {
ecclevel = val;
},
get size() {
return _size;
},
set size(val) {
_size = val
},
get canvas() {
return _canvas;
},
set canvas(el) {
_canvas = el;
},
getFrame: function(string) {
return genframe(string);
},
//这里的utf16to8(str)是对Text中的字符串进行转码，让其支持中文
utf16to8: function(str) {
var out, i, len, c;
out = "";
len = str.length;
for (i = 0; i < len; i++) {
c = str.charCodeAt(i);
if ((c >= 0x0001) && (c <= 0x007F)) {
out += str.charAt(i);
} else if (c > 0x07FF) {
out += String.fromCharCode(0xE0 | ((c >> 12) & 0x0F));
out += String.fromCharCode(0x80 | ((c >> 6) & 0x3F));
out += String.fromCharCode(0x80 | ((c >> 0) & 0x3F));
} else {
out += String.fromCharCode(0xC0 | ((c >> 6) & 0x1F));
out += String.fromCharCode(0x80 | ((c >> 0) & 0x3F));
}
}
return out;
},
/**
* 新增$this参数，传入组件的this,兼容在组件中生成
*/
draw: function(str, canvas, cavW, cavH, cavColor, haveImg, imageUrl, imageSize, $this, cb = function() {}, ecc) {
var that = this;
ecclevel = ecc || ecclevel;
canvas = canvas || _canvas;
if (!canvas) {
console.warn('No canvas provided to draw QR code in!')
return;
}
let pre_background = "#ffffff";
var size = Math.min(cavW, cavH);
str = that.utf16to8(str); //增加中文显示
var frame = that.getFrame(str);
// 组件中生成qrcode需要绑定this
var ctx = uni.createCanvasContext(canvas, $this);
var px = Math.round(size / (width ));
var roundedSize = px * (width);
// var px = 1 ;
// var roundedSize = px * (width + 8) ;
//var roundedSize = 0 ;
//var offset = Math.floor((size - roundedSize) / 2);
var offset = 0 ;
size = roundedSize;
//ctx.clearRect(0, 0, cavW, cavW);
ctx.setFillStyle(pre_background)
ctx.fillRect(0, 0, cavW, cavW);
ctx.setFillStyle(cavColor);
for (var i = 0; i < width; i++) {
for (var j = 0; j < width; j++) {
if (frame[j * width + i]) {
ctx.fillRect(px * ( i) + offset, px * ( j) + offset, px, px);
}
}
}
//画图片
if (haveImg) {
try {
var x = Number(((cavW - imageSize - 14) / 2).toFixed(2));
var y = Number(((cavH - imageSize -14) / 2).toFixed(2));
drawRoundedRect(ctx, x, y, imageSize, imageSize, imageSize / 2, 6, true, true)
let isNetImg = false;
isNetImg = imageUrl.substr(0, 4) == 'http' ? true : false;
if (isNetImg) {
//网络图片下载到本地
uni.getImageInfo({
src: imageUrl,
success: function(res) {
ctx.drawImage(res.path, x, y, imageSize, imageSize);
//--增加绘制完成回调
ctx.draw(false, function() {
cb();
})
}
})
} else {
ctx.drawImage(imageUrl, x, y, imageSize, imageSize);
//--增加绘制完成回调
ctx.draw(false, function() {
cb();
})
}
// 画圆角矩形
function drawRoundedRect(ctxi, x, y, width, height, r, lineWidth, fill, stroke) {
ctxi.setLineWidth(lineWidth);
ctxi.setFillStyle(pre_background);
ctxi.setStrokeStyle(pre_background);
ctxi.beginPath(); // draw top and top right corner
ctxi.moveTo(x + r, y);
ctxi.arcTo(x + width, y, x + width, y + r, r); // draw right side and bottom right corner
ctxi.arcTo(x + width, y + height, x + width - r, y + height, r); // draw bottom and bottom left corner
ctxi.arcTo(x, y + height, x, y + height - r, r); // draw left and top left corner
ctxi.arcTo(x, y, x + r, y, r);
ctxi.closePath();
if (fill) {
ctxi.fill();
}
if (stroke) {
ctxi.stroke();
}
}
} catch (e) {
//TODO handle the exception
}
} else {
//--增加绘制完成回调
ctx.draw(false, function() {
cb();
})
}
}
}
module.exports = {
api
}
})();
pages/coffee/qrcode/weapp-qrcode.js 0 → 100644
View file @ 47808a3c
//Core code comes from https://github.com/davidshimjs/qrcodejs
var QRCode;
(function () {
/**
* Get the type by string length
*
* @private
* @param {String} sText
* @param {Number} nCorrectLevel
* @return {Number} type
*/
function _getTypeNumber(sText, nCorrectLevel) {
var nType = 1;
var length = _getUTF8Length(sText);
for (var i = 0, len = QRCodeLimitLength.length; i <= len; i++) {
var nLimit = 0;
switch (nCorrectLevel) {
case QRErrorCorrectLevel.L:
nLimit = QRCodeLimitLength[i][0];
break;
case QRErrorCorrectLevel.M:
nLimit = QRCodeLimitLength[i][1];
break;
case QRErrorCorrectLevel.Q:
nLimit = QRCodeLimitLength[i][2];
break;
case QRErrorCorrectLevel.H:
nLimit = QRCodeLimitLength[i][3];
break;
}
if (length <= nLimit) {
break;
} else {
nType++;
}
}
if (nType > QRCodeLimitLength.length) {
throw new Error("Too long data");
}
return nType;
}
function _getUTF8Length(sText) {
var replacedText = encodeURI(sText).toString().replace(/\%[0-9a-fA-F]{2}/g, 'a');
return replacedText.length + (replacedText.length != sText ? 3 : 0);
}
function QR8bitByte(data) {
this.mode = QRMode.MODE_8BIT_BYTE;
this.data = data;
this.parsedData = [];
// Added to support UTF-8 Characters
for (var i = 0, l = this.data.length; i < l; i++) {
var byteArray = [];
var code = this.data.charCodeAt(i);
if (code > 0x10000) {
byteArray[0] = 0xF0 | ((code & 0x1C0000) >>> 18);
byteArray[1] = 0x80 | ((code & 0x3F000) >>> 12);
byteArray[2] = 0x80 | ((code & 0xFC0) >>> 6);
byteArray[3] = 0x80 | (code & 0x3F);
} else if (code > 0x800) {
byteArray[0] = 0xE0 | ((code & 0xF000) >>> 12);
byteArray[1] = 0x80 | ((code & 0xFC0) >>> 6);
byteArray[2] = 0x80 | (code & 0x3F);
} else if (code > 0x80) {
byteArray[0] = 0xC0 | ((code & 0x7C0) >>> 6);
byteArray[1] = 0x80 | (code & 0x3F);
} else {
byteArray[0] = code;
}
this.parsedData.push(byteArray);
}
this.parsedData = Array.prototype.concat.apply([], this.parsedData);
if (this.parsedData.length != this.data.length) {
this.parsedData.unshift(191);
this.parsedData.unshift(187);
this.parsedData.unshift(239);
}
}
QR8bitByte.prototype = {
getLength: function (buffer) {
return this.parsedData.length;
},
write: function (buffer) {
for (var i = 0, l = this.parsedData.length; i < l; i++) {
buffer.put(this.parsedData[i], 8);
}
}
};
// QRCodeModel
function QRCodeModel(typeNumber, errorCorrectLevel) {
this.typeNumber = typeNumber;
this.errorCorrectLevel = errorCorrectLevel;
this.modules = null;
this.moduleCount = 0;
this.dataCache = null;
this.dataList = [];
}
QRCodeModel.prototype = {
addData: function (data) { var newData = new QR8bitByte(data); this.dataList.push(newData); this.dataCache = null; }, isDark: function (row, col) {
if (row < 0 || this.moduleCount <= row || col < 0 || this.moduleCount <= col) { throw new Error(row + "," + col); }
return this.modules[row][col];
}, getModuleCount: function () { return this.moduleCount; }, make: function () { this.makeImpl(false, this.getBestMaskPattern()); }, makeImpl: function (test, maskPattern) {
this.moduleCount = this.typeNumber * 4 + 17; this.modules = new Array(this.moduleCount); for (var row = 0; row < this.moduleCount; row++) { this.modules[row] = new Array(this.moduleCount); for (var col = 0; col < this.moduleCount; col++) { this.modules[row][col] = null; } }
this.setupPositionProbePattern(0, 0); this.setupPositionProbePattern(this.moduleCount - 7, 0); this.setupPositionProbePattern(0, this.moduleCount - 7); this.setupPositionAdjustPattern(); this.setupTimingPattern(); this.setupTypeInfo(test, maskPattern); if (this.typeNumber >= 7) { this.setupTypeNumber(test); }
if (this.dataCache == null) { this.dataCache = QRCodeModel.createData(this.typeNumber, this.errorCorrectLevel, this.dataList); }
this.mapData(this.dataCache, maskPattern);
}, setupPositionProbePattern: function (row, col) { for (var r = -1; r <= 7; r++) { if (row + r <= -1 || this.moduleCount <= row + r) continue; for (var c = -1; c <= 7; c++) { if (col + c <= -1 || this.moduleCount <= col + c) continue; if ((0 <= r && r <= 6 && (c == 0 || c == 6)) || (0 <= c && c <= 6 && (r == 0 || r == 6)) || (2 <= r && r <= 4 && 2 <= c && c <= 4)) { this.modules[row + r][col + c] = true; } else { this.modules[row + r][col + c] = false; } } } }, getBestMaskPattern: function () {
var minLostPoint = 0; var pattern = 0; for (var i = 0; i < 8; i++) { this.makeImpl(true, i); var lostPoint = QRUtil.getLostPoint(this); if (i == 0 || minLostPoint > lostPoint) { minLostPoint = lostPoint; pattern = i; } }
return pattern;
}, createMovieClip: function (target_mc, instance_name, depth) {
var qr_mc = target_mc.createEmptyMovieClip(instance_name, depth); var cs = 1; this.make(); for (var row = 0; row < this.modules.length; row++) { var y = row * cs; for (var col = 0; col < this.modules[row].length; col++) { var x = col * cs; var dark = this.modules[row][col]; if (dark) { qr_mc.beginFill(0, 100); qr_mc.moveTo(x, y); qr_mc.lineTo(x + cs, y); qr_mc.lineTo(x + cs, y + cs); qr_mc.lineTo(x, y + cs); qr_mc.endFill(); } } }
return qr_mc;
}, setupTimingPattern: function () {
for (var r = 8; r < this.moduleCount - 8; r++) {
if (this.modules[r][6] != null) { continue; }
this.modules[r][6] = (r % 2 == 0);
}
for (var c = 8; c < this.moduleCount - 8; c++) {
if (this.modules[6][c] != null) { continue; }
this.modules[6][c] = (c % 2 == 0);
}
}, setupPositionAdjustPattern: function () {
var pos = QRUtil.getPatternPosition(this.typeNumber); for (var i = 0; i < pos.length; i++) {
for (var j = 0; j < pos.length; j++) {
var row = pos[i]; var col = pos[j]; if (this.modules[row][col] != null) { continue; }
for (var r = -2; r <= 2; r++) { for (var c = -2; c <= 2; c++) { if (r == -2 || r == 2 || c == -2 || c == 2 || (r == 0 && c == 0)) { this.modules[row + r][col + c] = true; } else { this.modules[row + r][col + c] = false; } } }
}
}
}, setupTypeNumber: function (test) {
var bits = QRUtil.getBCHTypeNumber(this.typeNumber); for (var i = 0; i < 18; i++) { var mod = (!test && ((bits >> i) & 1) == 1); this.modules[Math.floor(i / 3)][i % 3 + this.moduleCount - 8 - 3] = mod; }
for (var i = 0; i < 18; i++) { var mod = (!test && ((bits >> i) & 1) == 1); this.modules[i % 3 + this.moduleCount - 8 - 3][Math.floor(i / 3)] = mod; }
}, setupTypeInfo: function (test, maskPattern) {
var data = (this.errorCorrectLevel << 3) | maskPattern; var bits = QRUtil.getBCHTypeInfo(data); for (var i = 0; i < 15; i++) { var mod = (!test && ((bits >> i) & 1) == 1); if (i < 6) { this.modules[i][8] = mod; } else if (i < 8) { this.modules[i + 1][8] = mod; } else { this.modules[this.moduleCount - 15 + i][8] = mod; } }
for (var i = 0; i < 15; i++) { var mod = (!test && ((bits >> i) & 1) == 1); if (i < 8) { this.modules[8][this.moduleCount - i - 1] = mod; } else if (i < 9) { this.modules[8][15 - i - 1 + 1] = mod; } else { this.modules[8][15 - i - 1] = mod; } }
this.modules[this.moduleCount - 8][8] = (!test);
}, mapData: function (data, maskPattern) {
var inc = -1; var row = this.moduleCount - 1; var bitIndex = 7; var byteIndex = 0; for (var col = this.moduleCount - 1; col > 0; col -= 2) {
if (col == 6) col--; while (true) {
for (var c = 0; c < 2; c++) {
if (this.modules[row][col - c] == null) {
var dark = false; if (byteIndex < data.length) { dark = (((data[byteIndex] >>> bitIndex) & 1) == 1); }
var mask = QRUtil.getMask(maskPattern, row, col - c); if (mask) { dark = !dark; }
this.modules[row][col - c] = dark; bitIndex--; if (bitIndex == -1) { byteIndex++; bitIndex = 7; }
}
}
row += inc; if (row < 0 || this.moduleCount <= row) { row -= inc; inc = -inc; break; }
}
}
}
};
QRCodeModel.PAD0 = 0xEC;
QRCodeModel.PAD1 = 0x11;
QRCodeModel.createData = function (typeNumber, errorCorrectLevel, dataList) {
var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, errorCorrectLevel); var buffer = new QRBitBuffer(); for (var i = 0; i < dataList.length; i++) { var data = dataList[i]; buffer.put(data.mode, 4); buffer.put(data.getLength(), QRUtil.getLengthInBits(data.mode, typeNumber)); data.write(buffer); }
var totalDataCount = 0; for (var i = 0; i < rsBlocks.length; i++) { totalDataCount += rsBlocks[i].dataCount; }
if (buffer.getLengthInBits() > totalDataCount * 8) {
throw new Error("code length overflow. ("
+ buffer.getLengthInBits()
+ ">"
+ totalDataCount * 8
+ ")");
}
if (buffer.getLengthInBits() + 4 <= totalDataCount * 8) { buffer.put(0, 4); }
while (buffer.getLengthInBits() % 8 != 0) { buffer.putBit(false); }
while (true) {
if (buffer.getLengthInBits() >= totalDataCount * 8) { break; }
buffer.put(QRCodeModel.PAD0, 8); if (buffer.getLengthInBits() >= totalDataCount * 8) { break; }
buffer.put(QRCodeModel.PAD1, 8);
}
return QRCodeModel.createBytes(buffer, rsBlocks);
};
QRCodeModel.createBytes = function (buffer, rsBlocks) {
var offset = 0; var maxDcCount = 0; var maxEcCount = 0; var dcdata = new Array(rsBlocks.length); var ecdata = new Array(rsBlocks.length); for (var r = 0; r < rsBlocks.length; r++) {
var dcCount = rsBlocks[r].dataCount; var ecCount = rsBlocks[r].totalCount - dcCount; maxDcCount = Math.max(maxDcCount, dcCount); maxEcCount = Math.max(maxEcCount, ecCount); dcdata[r] = new Array(dcCount); for (var i = 0; i < dcdata[r].length; i++) { dcdata[r][i] = 0xff & buffer.buffer[i + offset]; }
offset += dcCount; var rsPoly = QRUtil.getErrorCorrectPolynomial(ecCount); var rawPoly = new QRPolynomial(dcdata[r], rsPoly.getLength() - 1); var modPoly = rawPoly.mod(rsPoly); ecdata[r] = new Array(rsPoly.getLength() - 1); for (var i = 0; i < ecdata[r].length; i++) { var modIndex = i + modPoly.getLength() - ecdata[r].length; ecdata[r][i] = (modIndex >= 0) ? modPoly.get(modIndex) : 0; }
}
var totalCodeCount = 0; for (var i = 0; i < rsBlocks.length; i++) { totalCodeCount += rsBlocks[i].totalCount; }
var data = new Array(totalCodeCount); var index = 0; for (var i = 0; i < maxDcCount; i++) { for (var r = 0; r < rsBlocks.length; r++) { if (i < dcdata[r].length) { data[index++] = dcdata[r][i]; } } }
for (var i = 0; i < maxEcCount; i++) { for (var r = 0; r < rsBlocks.length; r++) { if (i < ecdata[r].length) { data[index++] = ecdata[r][i]; } } }
return data;
};
var QRMode = { MODE_NUMBER: 1 << 0, MODE_ALPHA_NUM: 1 << 1, MODE_8BIT_BYTE: 1 << 2, MODE_KANJI: 1 << 3 };
var QRErrorCorrectLevel = { L: 1, M: 0, Q: 3, H: 2 };
var QRMaskPattern = { PATTERN000: 0, PATTERN001: 1, PATTERN010: 2, PATTERN011: 3, PATTERN100: 4, PATTERN101: 5, PATTERN110: 6, PATTERN111: 7 };
var QRUtil = {
PATTERN_POSITION_TABLE: [[], [6, 18], [6, 22], [6, 26], [6, 30], [6, 34], [6, 22, 38], [6, 24, 42], [6, 26, 46], [6, 28, 50], [6, 30, 54], [6, 32, 58], [6, 34, 62], [6, 26, 46, 66], [6, 26, 48, 70], [6, 26, 50, 74], [6, 30, 54, 78], [6, 30, 56, 82], [6, 30, 58, 86], [6, 34, 62, 90], [6, 28, 50, 72, 94], [6, 26, 50, 74, 98], [6, 30, 54, 78, 102], [6, 28, 54, 80, 106], [6, 32, 58, 84, 110], [6, 30, 58, 86, 114], [6, 34, 62, 90, 118], [6, 26, 50, 74, 98, 122], [6, 30, 54, 78, 102, 126], [6, 26, 52, 78, 104, 130], [6, 30, 56, 82, 108, 134], [6, 34, 60, 86, 112, 138], [6, 30, 58, 86, 114, 142], [6, 34, 62, 90, 118, 146], [6, 30, 54, 78, 102, 126, 150], [6, 24, 50, 76, 102, 128, 154], [6, 28, 54, 80, 106, 132, 158], [6, 32, 58, 84, 110, 136, 162], [6, 26, 54, 82, 110, 138, 166], [6, 30, 58, 86, 114, 142, 170]], G15: (1 << 10) | (1 << 8) | (1 << 5) | (1 << 4) | (1 << 2) | (1 << 1) | (1 << 0), G18: (1 << 12) | (1 << 11) | (1 << 10) | (1 << 9) | (1 << 8) | (1 << 5) | (1 << 2) | (1 << 0), G15_MASK: (1 << 14) | (1 << 12) | (1 << 10) | (1 << 4) | (1 << 1), getBCHTypeInfo: function (data) {
var d = data << 10; while (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G15) >= 0) { d ^= (QRUtil.G15 << (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G15))); }
return ((data << 10) | d) ^ QRUtil.G15_MASK;
}, getBCHTypeNumber: function (data) {
var d = data << 12; while (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G18) >= 0) { d ^= (QRUtil.G18 << (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G18))); }
return (data << 12) | d;
}, getBCHDigit: function (data) {
var digit = 0; while (data != 0) { digit++; data >>>= 1; }
return digit;
}, getPatternPosition: function (typeNumber) { return QRUtil.PATTERN_POSITION_TABLE[typeNumber - 1]; }, getMask: function (maskPattern, i, j) { switch (maskPattern) { case QRMaskPattern.PATTERN000: return (i + j) % 2 == 0; case QRMaskPattern.PATTERN001: return i % 2 == 0; case QRMaskPattern.PATTERN010: return j % 3 == 0; case QRMaskPattern.PATTERN011: return (i + j) % 3 == 0; case QRMaskPattern.PATTERN100: return (Math.floor(i / 2) + Math.floor(j / 3)) % 2 == 0; case QRMaskPattern.PATTERN101: return (i * j) % 2 + (i * j) % 3 == 0; case QRMaskPattern.PATTERN110: return ((i * j) % 2 + (i * j) % 3) % 2 == 0; case QRMaskPattern.PATTERN111: return ((i * j) % 3 + (i + j) % 2) % 2 == 0; default: throw new Error("bad maskPattern:" + maskPattern); } }, getErrorCorrectPolynomial: function (errorCorrectLength) {
var a = new QRPolynomial([1], 0); for (var i = 0; i < errorCorrectLength; i++) { a = a.multiply(new QRPolynomial([1, QRMath.gexp(i)], 0)); }
return a;
}, getLengthInBits: function (mode, type) { if (1 <= type && type < 10) { switch (mode) { case QRMode.MODE_NUMBER: return 10; case QRMode.MODE_ALPHA_NUM: return 9; case QRMode.MODE_8BIT_BYTE: return 8; case QRMode.MODE_KANJI: return 8; default: throw new Error("mode:" + mode); } } else if (type < 27) { switch (mode) { case QRMode.MODE_NUMBER: return 12; case QRMode.MODE_ALPHA_NUM: return 11; case QRMode.MODE_8BIT_BYTE: return 16; case QRMode.MODE_KANJI: return 10; default: throw new Error("mode:" + mode); } } else if (type < 41) { switch (mode) { case QRMode.MODE_NUMBER: return 14; case QRMode.MODE_ALPHA_NUM: return 13; case QRMode.MODE_8BIT_BYTE: return 16; case QRMode.MODE_KANJI: return 12; default: throw new Error("mode:" + mode); } } else { throw new Error("type:" + type); } }, getLostPoint: function (qrCode) {
var moduleCount = qrCode.getModuleCount(); var lostPoint = 0; for (var row = 0; row < moduleCount; row++) {
for (var col = 0; col < moduleCount; col++) {
var sameCount = 0; var dark = qrCode.isDark(row, col); for (var r = -1; r <= 1; r++) {
if (row + r < 0 || moduleCount <= row + r) { continue; }
for (var c = -1; c <= 1; c++) {
if (col + c < 0 || moduleCount <= col + c) { continue; }
if (r == 0 && c == 0) { continue; }
if (dark == qrCode.isDark(row + r, col + c)) { sameCount++; }
}
}
if (sameCount > 5) { lostPoint += (3 + sameCount - 5); }
}
}
for (var row = 0; row < moduleCount - 1; row++) { for (var col = 0; col < moduleCount - 1; col++) { var count = 0; if (qrCode.isDark(row, col)) count++; if (qrCode.isDark(row + 1, col)) count++; if (qrCode.isDark(row, col + 1)) count++; if (qrCode.isDark(row + 1, col + 1)) count++; if (count == 0 || count == 4) { lostPoint += 3; } } }
for (var row = 0; row < moduleCount; row++) { for (var col = 0; col < moduleCount - 6; col++) { if (qrCode.isDark(row, col) && !qrCode.isDark(row, col + 1) && qrCode.isDark(row, col + 2) && qrCode.isDark(row, col + 3) && qrCode.isDark(row, col + 4) && !qrCode.isDark(row, col + 5) && qrCode.isDark(row, col + 6)) { lostPoint += 40; } } }
for (var col = 0; col < moduleCount; col++) { for (var row = 0; row < moduleCount - 6; row++) { if (qrCode.isDark(row, col) && !qrCode.isDark(row + 1, col) && qrCode.isDark(row + 2, col) && qrCode.isDark(row + 3, col) && qrCode.isDark(row + 4, col) && !qrCode.isDark(row + 5, col) && qrCode.isDark(row + 6, col)) { lostPoint += 40; } } }
var darkCount = 0; for (var col = 0; col < moduleCount; col++) { for (var row = 0; row < moduleCount; row++) { if (qrCode.isDark(row, col)) { darkCount++; } } }
var ratio = Math.abs(100 * darkCount / moduleCount / moduleCount - 50) / 5; lostPoint += ratio * 10; return lostPoint;
}
};
var QRMath = {
glog: function (n) {
if (n < 1) { throw new Error("glog(" + n + ")"); }
return QRMath.LOG_TABLE[n];
}, gexp: function (n) {
while (n < 0) { n += 255; }
while (n >= 256) { n -= 255; }
return QRMath.EXP_TABLE[n];
}, EXP_TABLE: new Array(256), LOG_TABLE: new Array(256)
}; for (var i = 0; i < 8; i++) { QRMath.EXP_TABLE[i] = 1 << i; }
for (var i = 8; i < 256; i++) { QRMath.EXP_TABLE[i] = QRMath.EXP_TABLE[i - 4] ^ QRMath.EXP_TABLE[i - 5] ^ QRMath.EXP_TABLE[i - 6] ^ QRMath.EXP_TABLE[i - 8]; }
for (var i = 0; i < 255; i++) { QRMath.LOG_TABLE[QRMath.EXP_TABLE[i]] = i; }
function QRPolynomial(num, shift) {
if (num.length == undefined) { throw new Error(num.length + "/" + shift); }
var offset = 0; while (offset < num.length && num[offset] == 0) { offset++; }
this.num = new Array(num.length - offset + shift); for (var i = 0; i < num.length - offset; i++) { this.num[i] = num[i + offset]; }
}
QRPolynomial.prototype = {
get: function (index) { return this.num[index]; }, getLength: function () { return this.num.length; }, multiply: function (e) {
var num = new Array(this.getLength() + e.getLength() - 1); for (var i = 0; i < this.getLength(); i++) { for (var j = 0; j < e.getLength(); j++) { num[i + j] ^= QRMath.gexp(QRMath.glog(this.get(i)) + QRMath.glog(e.get(j))); } }
return new QRPolynomial(num, 0);
}, mod: function (e) {
if (this.getLength() - e.getLength() < 0) { return this; }
var ratio = QRMath.glog(this.get(0)) - QRMath.glog(e.get(0)); var num = new Array(this.getLength()); for (var i = 0; i < this.getLength(); i++) { num[i] = this.get(i); }
for (var i = 0; i < e.getLength(); i++) { num[i] ^= QRMath.gexp(QRMath.glog(e.get(i)) + ratio); }
return new QRPolynomial(num, 0).mod(e);
}
};
function QRRSBlock(totalCount, dataCount) { this.totalCount = totalCount; this.dataCount = dataCount; }
QRRSBlock.RS_BLOCK_TABLE = [[1, 26, 19], [1, 26, 16], [1, 26, 13], [1, 26, 9], [1, 44, 34], [1, 44, 28], [1, 44, 22], [1, 44, 16], [1, 70, 55], [1, 70, 44], [2, 35, 17], [2, 35, 13], [1, 100, 80], [2, 50, 32], [2, 50, 24], [4, 25, 9], [1, 134, 108], [2, 67, 43], [2, 33, 15, 2, 34, 16], [2, 33, 11, 2, 34, 12], [2, 86, 68], [4, 43, 27], [4, 43, 19], [4, 43, 15], [2, 98, 78], [4, 49, 31], [2, 32, 14, 4, 33, 15], [4, 39, 13, 1, 40, 14], [2, 121, 97], [2, 60, 38, 2, 61, 39], [4, 40, 18, 2, 41, 19], [4, 40, 14, 2, 41, 15], [2, 146, 116], [3, 58, 36, 2, 59, 37], [4, 36, 16, 4, 37, 17], [4, 36, 12, 4, 37, 13], [2, 86, 68, 2, 87, 69], [4, 69, 43, 1, 70, 44], [6, 43, 19, 2, 44, 20], [6, 43, 15, 2, 44, 16], [4, 101, 81], [1, 80, 50, 4, 81, 51], [4, 50, 22, 4, 51, 23], [3, 36, 12, 8, 37, 13], [2, 116, 92, 2, 117, 93], [6, 58, 36, 2, 59, 37], [4, 46, 20, 6, 47, 21], [7, 42, 14, 4, 43, 15], [4, 133, 107], [8, 59, 37, 1, 60, 38], [8, 44, 20, 4, 45, 21], [12, 33, 11, 4, 34, 12], [3, 145, 115, 1, 146, 116], [4, 64, 40, 5, 65, 41], [11, 36, 16, 5, 37, 17], [11, 36, 12, 5, 37, 13], [5, 109, 87, 1, 110, 88], [5, 65, 41, 5, 66, 42], [5, 54, 24, 7, 55, 25], [11, 36, 12], [5, 122, 98, 1, 123, 99], [7, 73, 45, 3, 74, 46], [15, 43, 19, 2, 44, 20], [3, 45, 15, 13, 46, 16], [1, 135, 107, 5, 136, 108], [10, 74, 46, 1, 75, 47], [1, 50, 22, 15, 51, 23], [2, 42, 14, 17, 43, 15], [5, 150, 120, 1, 151, 121], [9, 69, 43, 4, 70, 44], [17, 50, 22, 1, 51, 23], [2, 42, 14, 19, 43, 15], [3, 141, 113, 4, 142, 114], [3, 70, 44, 11, 71, 45], [17, 47, 21, 4, 48, 22], [9, 39, 13, 16, 40, 14], [3, 135, 107, 5, 136, 108], [3, 67, 41, 13, 68, 42], [15, 54, 24, 5, 55, 25], [15, 43, 15, 10, 44, 16], [4, 144, 116, 4, 145, 117], [17, 68, 42], [17, 50, 22, 6, 51, 23], [19, 46, 16, 6, 47, 17], [2, 139, 111, 7, 140, 112], [17, 74, 46], [7, 54, 24, 16, 55, 25], [34, 37, 13], [4, 151, 121, 5, 152, 122], [4, 75, 47, 14, 76, 48], [11, 54, 24, 14, 55, 25], [16, 45, 15, 14, 46, 16], [6, 147, 117, 4, 148, 118], [6, 73, 45, 14, 74, 46], [11, 54, 24, 16, 55, 25], [30, 46, 16, 2, 47, 17], [8, 132, 106, 4, 133, 107], [8, 75, 47, 13, 76, 48], [7, 54, 24, 22, 55, 25], [22, 45, 15, 13, 46, 16], [10, 142, 114, 2, 143, 115], [19, 74, 46, 4, 75, 47], [28, 50, 22, 6, 51, 23], [33, 46, 16, 4, 47, 17], [8, 152, 122, 4, 153, 123], [22, 73, 45, 3, 74, 46], [8, 53, 23, 26, 54, 24], [12, 45, 15, 28, 46, 16], [3, 147, 117, 10, 148, 118], [3, 73, 45, 23, 74, 46], [4, 54, 24, 31, 55, 25], [11, 45, 15, 31, 46, 16], [7, 146, 116, 7, 147, 117], [21, 73, 45, 7, 74, 46], [1, 53, 23, 37, 54, 24], [19, 45, 15, 26, 46, 16], [5, 145, 115, 10, 146, 116], [19, 75, 47, 10, 76, 48], [15, 54, 24, 25, 55, 25], [23, 45, 15, 25, 46, 16], [13, 145, 115, 3, 146, 116], [2, 74, 46, 29, 75, 47], [42, 54, 24, 1, 55, 25], [23, 45, 15, 28, 46, 16], [17, 145, 115], [10, 74, 46, 23, 75, 47], [10, 54, 24, 35, 55, 25], [19, 45, 15, 35, 46, 16], [17, 145, 115, 1, 146, 116], [14, 74, 46, 21, 75, 47], [29, 54, 24, 19, 55, 25], [11, 45, 15, 46, 46, 16], [13, 145, 115, 6, 146, 116], [14, 74, 46, 23, 75, 47], [44, 54, 24, 7, 55, 25], [59, 46, 16, 1, 47, 17], [12, 151, 121, 7, 152, 122], [12, 75, 47, 26, 76, 48], [39, 54, 24, 14, 55, 25], [22, 45, 15, 41, 46, 16], [6, 151, 121, 14, 152, 122], [6, 75, 47, 34, 76, 48], [46, 54, 24, 10, 55, 25], [2, 45, 15, 64, 46, 16], [17, 152, 122, 4, 153, 123], [29, 74, 46, 14, 75, 47], [49, 54, 24, 10, 55, 25], [24, 45, 15, 46, 46, 16], [4, 152, 122, 18, 153, 123], [13, 74, 46, 32, 75, 47], [48, 54, 24, 14, 55, 25], [42, 45, 15, 32, 46, 16], [20, 147, 117, 4, 148, 118], [40, 75, 47, 7, 76, 48], [43, 54, 24, 22, 55, 25], [10, 45, 15, 67, 46, 16], [19, 148, 118, 6, 149, 119], [18, 75, 47, 31, 76, 48], [34, 54, 24, 34, 55, 25], [20, 45, 15, 61, 46, 16]];
QRRSBlock.getRSBlocks = function (typeNumber, errorCorrectLevel) {
var rsBlock = QRRSBlock.getRsBlockTable(typeNumber, errorCorrectLevel); if (rsBlock == undefined) { throw new Error("bad rs block @ typeNumber:" + typeNumber + "/errorCorrectLevel:" + errorCorrectLevel); }
var length = rsBlock.length / 3; var list = []; for (var i = 0; i < length; i++) { var count = rsBlock[i * 3 + 0]; var totalCount = rsBlock[i * 3 + 1]; var dataCount = rsBlock[i * 3 + 2]; for (var j = 0; j < count; j++) { list.push(new QRRSBlock(totalCount, dataCount)); } }
return list;
};
QRRSBlock.getRsBlockTable = function (typeNumber, errorCorrectLevel) { switch (errorCorrectLevel) { case QRErrorCorrectLevel.L: return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 0]; case QRErrorCorrectLevel.M: return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 1]; case QRErrorCorrectLevel.Q: return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 2]; case QRErrorCorrectLevel.H: return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 3]; default: return undefined; } };
function QRBitBuffer() { this.buffer = []; this.length = 0; }
QRBitBuffer.prototype = {
get: function (index) { var bufIndex = Math.floor(index / 8); return ((this.buffer[bufIndex] >>> (7 - index % 8)) & 1) == 1; }, put: function (num, length) { for (var i = 0; i < length; i++) { this.putBit(((num >>> (length - i - 1)) & 1) == 1); } }, getLengthInBits: function () { return this.length; }, putBit: function (bit) {
var bufIndex = Math.floor(this.length / 8); if (this.buffer.length <= bufIndex) { this.buffer.push(0); }
if (bit) { this.buffer[bufIndex] |= (0x80 >>> (this.length % 8)); }
this.length++;
}
};
var QRCodeLimitLength = [[17, 14, 11, 7], [32, 26, 20, 14], [53, 42, 32, 24], [78, 62, 46, 34], [106, 84, 60, 44], [134, 106, 74, 58], [154, 122, 86, 64], [192, 152, 108, 84], [230, 180, 130, 98], [271, 213, 151, 119], [321, 251, 177, 137], [367, 287, 203, 155], [425, 331, 241, 177], [458, 362, 258, 194], [520, 412, 292, 220], [586, 450, 322, 250], [644, 504, 364, 280], [718, 560, 394, 310], [792, 624, 442, 338], [858, 666, 482, 382], [929, 711, 509, 403], [1003, 779, 565, 439], [1091, 857, 611, 461], [1171, 911, 661, 511], [1273, 997, 715, 535], [1367, 1059, 751, 593], [1465, 1125, 805, 625], [1528, 1190, 868, 658], [1628, 1264, 908, 698], [1732, 1370, 982, 742], [1840, 1452, 1030, 790], [1952, 1538, 1112, 842], [2068, 1628, 1168, 898], [2188, 1722, 1228, 958], [2303, 1809, 1283, 983], [2431, 1911, 1351, 1051], [2563, 1989, 1423, 1093], [2699, 2099, 1499, 1139], [2809, 2213, 1579, 1219], [2953, 2331, 1663, 1273]];
// QRCode object
QRCode = function (canvasId, vOption) {
this._htOption = {
width: 256,
height: 256,
typeNumber: 4,
colorDark: "#000000",
colorLight: "#ffffff",
correctLevel: QRErrorCorrectLevel.H
};
if (typeof vOption === 'string') {
vOption = {
text: vOption
};
}
// Overwrites options
if (vOption) {
for (var i in vOption) {
this._htOption[i] = vOption[i];
}
}
this._oQRCode = null;
this.canvasId = canvasId
if (this._htOption.text && this.canvasId) {
this.makeCode(this._htOption.text);
}
};
QRCode.prototype.makeCode = function (sText) {
this._oQRCode = new QRCodeModel(_getTypeNumber(sText, this._htOption.correctLevel), this._htOption.correctLevel);
this._oQRCode.addData(sText);
this._oQRCode.make();
this.makeImage();
};
QRCode.prototype.makeImage = function () {
var _oContext
if (this._htOption.usingIn) {
_oContext = wx.createCanvasContext(this.canvasId, this._htOption.usingIn)
}
else {
_oContext = wx.createCanvasContext(this.canvasId)
}
var _htOption = this._htOption;
var oQRCode = this._oQRCode
var nCount = oQRCode.getModuleCount();
var nWidth = _htOption.width / nCount;
var nHeight = _htOption.height / nCount;
var nRoundedWidth = Math.round(nWidth);
var nRoundedHeight = Math.round(nHeight);
if (_htOption.image && _htOption.image != '') {
_oContext.drawImage(_htOption.image, 0, 0, _htOption.width, _htOption.height)
}
for (var row = 0; row < nCount; row++) {
for (var col = 0; col < nCount; col++) {
var bIsDark = oQRCode.isDark(row, col);
var nLeft = col * nWidth;
var nTop = row * nHeight;
_oContext.setStrokeStyle(bIsDark ? _htOption.colorDark : _htOption.colorLight)
// _oContext.setStrokeStyle('yellow')
_oContext.setLineWidth(1)
_oContext.setFillStyle(bIsDark ? _htOption.colorDark : _htOption.colorLight)
// _oContext.setFillStyle('red')
// if (bIsDark) {
_oContext.fillRect(nLeft, nTop, nWidth, nHeight);
// }
// 안티 앨리어싱 방지 처리
// if (bIsDark) {
_oContext.strokeRect(
Math.floor(nLeft) + 0.5,
Math.floor(nTop) + 0.5,
nRoundedWidth,
nRoundedHeight
);
_oContext.strokeRect(
Math.ceil(nLeft) - 0.5,
Math.ceil(nTop) - 0.5,
nRoundedWidth,
nRoundedHeight
);
// }
// _oContext.fillRect(
// Math.floor(nLeft) + 0.5,
// Math.floor(nTop) + 0.5,
// nRoundedWidth,
// nRoundedHeight
// );
// _oContext.fillRect(
// Math.ceil(nLeft) - 0.5,
// Math.ceil(nTop) - 0.5,
// nRoundedWidth,
// nRoundedHeight
// );
// _oContext.clearRect(
// Math.floor(nLeft) + 0.5,
// Math.floor(nTop) + 0.5,
// nRoundedWidth,
// nRoundedHeight
// );
// _oContext.clearRect(
// Math.ceil(nLeft) - 0.5,
// Math.ceil(nTop) - 0.5,
// nRoundedWidth,
// nRoundedHeight
// );
}
}
_oContext.draw()
};
// 保存为图片，将临时路径传给回调
QRCode.prototype.exportImage = function (callback) {
if (!callback) {
return
}
wx.canvasToTempFilePath({
x: 0,
y: 0,
width: this._htOption.width,
height: this._htOption.height,
destWidth: this._htOption.width,
destHeight: this._htOption.height,
canvasId: this.canvasId,
success: function (res) {
console.log(res.tempFilePath)
callback(res.tempFilePath)
}
})
}
QRCode.CorrectLevel = QRErrorCorrectLevel;
})();
module.exports = QRCode
\ No newline at end of file
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