新增图片背景样式

src/components/QrRendererImage.js

@@ -0,0 +1,136 @@
+import React from "react";
+import './Qrcode.css'
+import {getTypeTable, QRPointType} from "../utils/qrcodeHandler";
+import {defaultRenderer, rand} from "../utils/util";
+
+function listPoint(props) {
+    if (!props.qrcode) return []
+
+    const qrcode = props.qrcode;
+    const nCount = qrcode.getModuleCount();
+    const typeTable = getTypeTable(qrcode);
+    const pointList = new Array(nCount);
+
+    let type = props.params[0];
+    let size = props.params[1] / 100 / 3;
+    let opacity = props.params[2] / 100;
+    let posType = props.params[3];
+    let id = 0;
+
+    const vw = [3, -3];
+    const vh = [3, -3];
+
+    if (size <= 0) size = 1.0
+
+    pointList.push(<image key={id++} x="0" y="0" width={nCount} height={nCount} href="http://blog.ciaochaos.com/images/Avatar.jpg"/>);
+
+    for (let x = 0; x < nCount; x++) {
+        for (let y = 0; y < nCount; y++) {
+
+            if (typeTable[x][y] == QRPointType.ALIGN_CENTER || typeTable[x][y] == QRPointType.ALIGN_OTHER || typeTable[x][y] == QRPointType.TIMING) {
+                if (qrcode.isDark(x, y)) {
+                    if (type == 0)
+                        pointList.push(<rect opacity={opacity} width={size} height={size} key={id++} fill="black" x={x + (1 - size)/2} y={y + (1 - size)/2}/>)
+                    else if (type == 1)
+                        pointList.push(<circle opacity={opacity} r={size / 2} key={id++} fill="black" cx={x + 0.5} cy={y + 0.5}/>)
+                } else {
+                    if (type == 0)
+                        pointList.push(<rect opacity={opacity} width={size} height={size} key={id++} fill="white" x={x + (1 - size)/2} y={y + (1 - size)/2}/>)
+                    else if (type == 1)
+                        pointList.push(<circle opacity={opacity} r={size / 2} key={id++} fill="white" cx={x + 0.5} cy={y + 0.5}/>)
+                }
+            }
+            else if (typeTable[x][y] == QRPointType.POS_CENTER) {
+                if (qrcode.isDark(x, y)) {
+                    if (posType == 0) {
+                        pointList.push(<rect width={1} height={1} key={id++} fill="black" x={x} y={y}/>);
+                    } else if (posType == 1) {
+                        pointList.push(<circle key={id++} fill="white" cx={x + 0.5} cy={y + 0.5} r={5} />)
+                        pointList.push(<circle key={id++} fill="black" cx={x + 0.5} cy={y + 0.5} r={1.5} />)
+                        pointList.push(<circle key={id++} fill="none" strokeWidth="1" stroke="black"  cx={x + 0.5} cy={y + 0.5} r={3} />)
+                    } else if (posType == 2) {
+                        pointList.push(<circle key={id++} fill="white" cx={x + 0.5} cy={y + 0.5} r={5} />)
+                        pointList.push(<circle key={id++} fill="black" cx={x + 0.5} cy={y + 0.5} r={1.5} />)
+                        pointList.push(<circle key={id++} fill="none" strokeWidth="0.15" strokeDasharray="0.5,0.5" stroke="black"  cx={x + 0.5} cy={y + 0.5} r={3} />)
+                        for (let w = 0; w < vw.length; w++) {
+                            pointList.push(<circle key={id++} fill="black" cx={x + vw[w] + 0.5} cy={y + 0.5} r={0.5} />)
+                        }
+                        for (let h = 0; h < vh.length; h++) {
+                            pointList.push(<circle key={id++} fill="black" cx={x + 0.5} cy={y + vh[h] + 0.5} r={0.5} />)
+                        }
+                    }
+                }
+
+            }
+            else if (typeTable[x][y] == QRPointType.POS_OTHER) {
+                if (qrcode.isDark(x, y)) {
+                    if (posType == 0) {
+                        pointList.push(<rect width={1} height={1} key={id++} fill="black" x={x} y={y}/>);
+                    }
+                } else {
+                    if (posType == 0) {
+                        pointList.push(<rect width={1} height={1} key={id++} fill="white" x={x} y={y}/>);
+                    }
+                }
+
+            }
+            else {
+                if (qrcode.isDark(x, y)) {
+                    if (type == 0)
+                        pointList.push(<rect opacity={opacity} width={size} height={size} key={id++} fill="black" x={x + (1 - size)/2} y={y + (1 - size)/2}/>)
+                    else if (type == 1)
+                        pointList.push(<circle opacity={opacity} r={size / 2} key={id++} fill="black" cx={x + 0.5} cy={y + 0.5}/>)
+                } else {
+                    if (type == 0)
+                        pointList.push(<rect opacity={opacity} width={size} height={size} key={id++} fill="white" x={x + (1 - size)/2} y={y + (1 - size)/2}/>)
+                    else if (type == 1)
+                        pointList.push(<circle opacity={opacity} r={size / 2} key={id++} fill="white" cx={x + 0.5} cy={y + 0.5}/>)
+                }
+
+            }
+        }
+    }
+
+    return pointList;
+}
+
+export default class QrRendererImage extends React.Component {
+    constructor(props) {
+        super(props);
+        if (this.props.setParamInfo) {
+            this.props.setParamInfo([
+                {
+                    key: '信息点样式',
+                    default: 0,
+                    choices: [
+                        "矩形",
+                        "圆形",
+                    ]
+                },
+                {
+                    key: '信息点缩放',
+                    default: 100
+                },
+                {
+                    key: '信息点不透明度',
+                    default: 100,
+                },
+                {
+                    key: '定位点样式',
+                    default: 2,
+                    choices: [
+                        "矩形",
+                        "圆形",
+                        "行星",
+                    ]
+                },
+                ]
+            );
+        }
+    }
+
+    render() {
+        return defaultRenderer(this.props.qrcode, listPoint(this.props));
+    }
+}
+

src/components/Qrcode.js

@@ -16,6 +16,7 @@ import QrRendererRandRound from "./QrRendererRandRound";
 import QrRendererBlank from "./QrRendererBlank";
 import QrRendererRandRect from "./QrRendererRandRect";
 import QrRendererDSJ from "./QrRendererDSJ";
+import QrRendererImage from "./QrRendererImage";
 
 const logoStyle = {
     background: `url(${logo})`,
@@ -29,7 +30,7 @@ const styleList = [
     {value: "A3", renderer: QrRendererRandRound},
     {value: "SP — 1", renderer: QrRendererDSJ},
     {value: "SP — 2", renderer: QrRendererRandRect},
-    {value: "C2", renderer: QrRendererBlank},
+    {value: "C1", renderer: QrRendererImage},
     {value: "D1", renderer: QrRendererBlank},
     {value: "D2", renderer: QrRendererBlank},
 ];

src/utils/qrcodeHandler.js

@@ -62,8 +62,9 @@ export function getTypeTable(qrcode) {
 
     for (let i = 0; i < PD.length; i++) {
         typeTable[PD[i][0]][PD[i][1]] = QRPointType.POS_CENTER
-        for (let r = -3; r <= 3; r++) {
+        for (let r = -4; r <= 4; r++) {
-            for (let c = -3; c <= 3; c++) {
+            for (let c = -4; c <= 4; c++) {
+                if (PD[i][0] + r >= 0 && PD[i][0] + r < nCount && PD[i][1] + c >=0 && PD[i][1] + c < nCount)
                     if (!(r == 0 && c == 0))
                         typeTable[PD[i][0] + r][PD[i][1] + c] = QRPointType.POS_OTHER;
             }