fix: accept RX1 encoded BMP dimensions

app/build.gradle.kts

@@ -89,8 +89,8 @@ android {
         applicationId = "com.yzx.kiosk"
         minSdk = 26
         targetSdk = 36
-        versionCode = 22
-        versionName = "1.1.2"
+        versionCode = 23
+        versionName = "1.1.3"
         //multiDexEnabled = true
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
 

app/src/main/java/com/yzx/kiosk/priter/PrinterService.kt

@@ -20,11 +20,11 @@ import jp.co.dnpLib.print.PrintJob
 import jp.co.dnpLib.print.PrintJobStatus
 import jp.co.dnpLib.print.PrintManager
 import jp.co.dnpLib.print.PrintQueue
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.delay
-import kotlinx.coroutines.sync.Mutex
-import kotlinx.coroutines.sync.withLock
-import kotlinx.coroutines.withContext
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.sync.Mutex
+import kotlinx.coroutines.sync.withLock
+import kotlinx.coroutines.withContext
 import java.io.File
 import java.io.IOException
 import javax.inject.Singleton
@@ -42,10 +42,15 @@ class PrinterService(
 ) {
     companion object {
         private const val TAG = "PrinterService"
+
+        // DNP BmpUtil 在 300 DPI 下会将 RX1 输入画布编码为 1844x1240 BMP。
+        // 1840x1240 仍是上层排版画布尺寸，不应用它校验 SDK 的最终文件头。
+        private const val RX1_ENCODED_BMP_WIDTH_300_DPI = 1844
+        private const val RX1_ENCODED_BMP_HEIGHT_300_DPI = 1240
     }
 
-    private var mDnpPhotoPrint: DNPPhotoPrint? = null
-    private val printMutex = Mutex()
+    private var mDnpPhotoPrint: DNPPhotoPrint? = null
+    private val printMutex = Mutex()
 
     /**
      * 初始化打印机（耗时操作，需在IO线程调用）
@@ -185,14 +190,14 @@ class PrinterService(
      * @param originalBitmap 要打印的原始图片
      * @param callback 打印结果回调
      */
-    suspend fun startPrint(originalBitmap: Bitmap?, callback: PrintCallback) = printMutex.withLock {
-        startPrintInternal(originalBitmap, callback)
-    }
-
-    private suspend fun startPrintInternal(
-        originalBitmap: Bitmap?,
-        callback: PrintCallback
-    ) = withContext(Dispatchers.IO) {
+    suspend fun startPrint(originalBitmap: Bitmap?, callback: PrintCallback) = printMutex.withLock {
+        startPrintInternal(originalBitmap, callback)
+    }
+
+    private suspend fun startPrintInternal(
+        originalBitmap: Bitmap?,
+        callback: PrintCallback
+    ) = withContext(Dispatchers.IO) {
         if (originalBitmap == null) {
             LogUtils.e(TAG, "获取图片失败")
             callback.onPrintResult(false,"获取图片失败")
@@ -274,10 +279,20 @@ class PrinterService(
                     throw IOException("BMP 保存接口返回失败")
                 }
 
+                val expectedBmpWidth: Int
+                val expectedBmpHeight: Int
+                if (printId != PrintManager.EPrinter.QW410_DEF.id) {
+                    expectedBmpWidth = RX1_ENCODED_BMP_WIDTH_300_DPI
+                    expectedBmpHeight = RX1_ENCODED_BMP_HEIGHT_300_DPI
+                } else {
+                    expectedBmpWidth = printSize.width
+                    expectedBmpHeight = printSize.height
+                }
+
                 val validation = PrintImageIntegrityValidator.validateBmp(
                     file = outFile,
-                    expectedWidth = printSize.width,
-                    expectedHeight = printSize.height
+                    expectedWidth = expectedBmpWidth,
+                    expectedHeight = expectedBmpHeight
                 )
                 LogUtils.d(
                     TAG,
@@ -348,9 +363,9 @@ class PrinterService(
             // 打印失败，设置为空闲
             printStatusManager.setIdle()
             callback.onPrintResult(false,"打印失败: ${e.message}")
-        }
-    }
-}
+        }
+    }
+}
 
 /**
  * 打印结果回调接口