添加了初始化界面，修复了人脸数据更新后不能识别的问题

2025-08-07 16:23:21 +08:00
parent 742b3a0775
commit 1f1c3804ac
18 changed files with 509 additions and 70 deletions
@@ -0,0 +1,99 @@
+package com.sw.dualscreen.utils
+
+import android.graphics.Bitmap
+import android.graphics.Color
+import com.google.zxing.BarcodeFormat
+import com.google.zxing.EncodeHintType
+import com.google.zxing.WriterException
+import com.google.zxing.common.BitMatrix
+import com.google.zxing.qrcode.QRCodeWriter
+import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel
+
+/**
+ * 二维码生成工具类
+ */
+object QRCodeUtil {
+
+    /**
+     * 生成二维码（默认大小）
+     * @param content 二维码内容
+     * @return 生成的二维码Bitmap
+     */
+    @JvmOverloads
+    fun generateQRCode(content: String, size: Int = 500): Bitmap? {
+        return generateQRCode(content, size, Color.BLACK, Color.WHITE)
+    }
+
+    /**
+     * 生成二维码（自定义颜色）
+     * @param content 二维码内容
+     * @param size 二维码边长（像素）
+     * @param colorCode 二维码颜色
+     * @param backgroundColor 背景颜色
+     * @return 生成的二维码Bitmap
+     */
+    fun generateQRCode(
+        content: String,
+        size: Int,
+        colorCode: Int,
+        backgroundColor: Int
+    ): Bitmap? {
+        if (content.isEmpty()) {
+            return null
+        }
+
+        return try {
+            val hints = mutableMapOf<EncodeHintType, Any>().apply {
+                put(EncodeHintType.CHARACTER_SET, "UTF-8")
+                put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H) // 纠错级别
+                put(EncodeHintType.MARGIN, 1) // 边距
+            }
+
+            val bitMatrix = QRCodeWriter().encode(
+                content,
+                BarcodeFormat.QR_CODE,
+                size,
+                size,
+                hints
+            )
+
+            val pixels = IntArray(size * size).apply {
+                for (y in 0 until size) {
+                    for (x in 0 until size) {
+                        this[y * size + x] = if (bitMatrix.get(x, y)) colorCode else backgroundColor
+                    }
+                }
+            }
+
+            Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888).apply {
+                setPixels(pixels, 0, size, 0, 0, size, size)
+            }
+
+        } catch (e: WriterException) {
+            e.printStackTrace()
+            null
+        }
+    }
+
+    /**
+     * 生成带Logo的二维码
+     * @param content 二维码内容
+     * @param size 二维码边长（像素）
+     * @param logo Logo Bitmap
+     * @return 带Logo的二维码Bitmap
+     */
+    fun generateQRCodeWithLogo(content: String, size: Int, logo: Bitmap?): Bitmap? {
+        val qrCode = generateQRCode(content, size) ?: return null
+        logo ?: return qrCode
+
+        val logoSize = size / 5 // Logo大小约为二维码的1/5
+        val scaledLogo = Bitmap.createScaledBitmap(logo, logoSize, logoSize, false)
+
+        val offset = (size - logoSize) / 2
+        return Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888).apply {
+            val canvas = android.graphics.Canvas(this)
+            canvas.drawBitmap(qrCode, 0f, 0f, null)
+            canvas.drawBitmap(scaledLogo, offset.toFloat(), offset.toFloat(), null)
+        }
+    }
+}