51 lines
1.8 KiB
C#
51 lines
1.8 KiB
C#
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using System.Collections.Generic;
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using ZXing;
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using ZXing.Common;
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using ZXing.QrCode.Internal;
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using UnityEngine;
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namespace TapTap.Login.Internal {
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public class QRCodeUtils {
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public static Texture2D EncodeQrImage(string content, int width, int height) {
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var writer = new MultiFormatWriter();
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var hints = new Dictionary<EncodeHintType, object> {
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{ EncodeHintType.CHARACTER_SET, "UTF-8" },
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//hints.Add(EncodeHintType.MARGIN, 0);
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{ EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.M }
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};
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var bitMatrix = writer.encode(content, BarcodeFormat.QR_CODE, width, height, hints);
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bitMatrix = DeleteWhite(bitMatrix);
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var w = bitMatrix.Width;
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var h = bitMatrix.Height;
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var texture = new Texture2D(w, h);
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for (var x = 0; x < h; x++) {
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for (var y = 0; y < w; y++) {
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texture.SetPixel(y, x, bitMatrix[x, y] ? Color.black : Color.white);
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}
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}
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texture.Apply();
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texture.filterMode = FilterMode.Point;
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return texture;
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}
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private static BitMatrix DeleteWhite(BitMatrix matrix) {
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var rec = matrix.getEnclosingRectangle();
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var resWidth = rec[2];
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var resHeight = rec[3];
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var resMatrix = new BitMatrix(resWidth, resHeight);
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resMatrix.clear();
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for (var i = 0; i < resWidth; i++) {
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for (var j = 0; j < resHeight; j++){
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if (matrix[i + rec[0], j + rec[1]]) {
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resMatrix.flip(i, j);
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}
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}
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}
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return resMatrix;
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}
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}
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}
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