打印机适配BTP

android/app/src/main/java/io/flutter/plugins/BluetoothPlugin.java

@@ -33,6 +33,7 @@ import java.security.Permission;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.LinkedBlockingDeque;
 import java.util.concurrent.ThreadFactory;
@@ -178,6 +179,9 @@ public class BluetoothPlugin implements FlutterPlugin, MethodChannel.MethodCallH
                 Log.d("ble", "startBluetoothPrintBarCode :" + methodCall.arguments);
                 startBluetoothPrintBarCode(methodCall, result);
                 break;
+            case "startBluetoothPrintBitMapAndText":
+                Log.d("ble", "PrintBitMapAndText :" + methodCall.arguments);
+                printBitMapAndText(methodCall, result);
 
 
             case "autoLogin":
@@ -340,9 +344,6 @@ public class BluetoothPlugin implements FlutterPlugin, MethodChannel.MethodCallH
     void startBluetoothPrintText(@NonNull MethodCall methodCall, @NonNull MethodChannel.Result result) {
 
         ArrayList<String> textList = (ArrayList<String>) methodCall.arguments;
-//
-//        Log.d("ble", "imageByte:" + imageByte);
-//        Bitmap bitmap = Bytes2Bimap(imageByte);
 
         BluetoothDevice bluetoothDevice = mBluetoothAdapter.getRemoteDevice(itemPosition.getDeviceHardwareAddress());
         if (ActivityCompat.checkSelfPermission(_applicationContext, Manifest.permission.BLUETOOTH_CONNECT) != PackageManager.PERMISSION_GRANTED) {
@@ -350,12 +351,31 @@ public class BluetoothPlugin implements FlutterPlugin, MethodChannel.MethodCallH
         }
         BlueDeviceInfo blueDeviceInfo = new BlueDeviceInfo(bluetoothDevice.getName(), bluetoothDevice.getAddress(), itemPosition.getConnectState());
         if(blueDeviceInfo.getDeviceName().contains("BTP")) {
-//            BTPPrintUtil.printBitMap(bitmap, blueDeviceInfo.getDeviceName(), result);
+            BTPPrintUtil.printText(textList, result);
         } else {
             PrintUtil.printText(textList, result);
         }
     }
 
+    void printBitMapAndText(@NonNull MethodCall methodCall, @NonNull MethodChannel.Result result) {
+
+        HashMap map = (HashMap)methodCall.arguments;
+        byte[] imageByte = (byte[]) map.get("bytes");
+        ArrayList<String> textList = (ArrayList<String>) map.get("textList");
+
+        Bitmap bitmap = Bytes2Bimap(imageByte);
+        BluetoothDevice bluetoothDevice = mBluetoothAdapter.getRemoteDevice(itemPosition.getDeviceHardwareAddress());
+        if (ActivityCompat.checkSelfPermission(_applicationContext, Manifest.permission.BLUETOOTH_CONNECT) != PackageManager.PERMISSION_GRANTED) {
+            return;
+        }
+        BlueDeviceInfo blueDeviceInfo = new BlueDeviceInfo(bluetoothDevice.getName(), bluetoothDevice.getAddress(), itemPosition.getConnectState());
+        if(blueDeviceInfo.getDeviceName().contains("BTP")) {
+            BTPPrintUtil.PrintBitMapAndText(bitmap,  blueDeviceInfo.getDeviceName(), textList, result);
+        }
+
+    }
+
+
     void startBluetoothPrintBarCode(@NonNull MethodCall methodCall, @NonNull MethodChannel.Result result) {
 
         byte[] imageByte = (byte[]) methodCall.arguments;

android/app/src/main/java/io/flutter/plugins/utils/BTPPrintUtil.java

@@ -10,6 +10,8 @@ import com.snbc.sdk.LabelPrinter;
 
 import java.io.ByteArrayOutputStream;
 import java.nio.ByteBuffer;
+import java.util.ArrayList;
+import java.util.List;
 
 import io.flutter.plugin.common.MethodChannel;
 
@@ -73,13 +75,130 @@ public class BTPPrintUtil {
         result.success(code == 0 ? true : false);
     }
 
-    public  static void printBarCodeWithText(String barCode, String text, @NonNull MethodChannel.Result result) {
+    public  static void printText(ArrayList<String> textList,@NonNull MethodChannel.Result result) {
+
+        int width = 560;
+        int height = 640;
+        getInstance().SetLabelSize(width,height);
+
+        int marginX = 2;
+        int marginY = 40;
+        //矩形框类型
+        int rectangleWidth = width - marginX * 2;
+        int rectangleHeight = height - marginY * 2;
+        int lineWidth = 1;
+
+        int lineHeight = rectangleHeight / 6;
+
+        int titleWidth = rectangleWidth / 2;
+
+        float fontSize = 3;
+        // 设置初始偏移量
+        int offsetY = 0;
+        int offsetX = 0;
+        // 计算绘制线条的 y 坐标
+        int secondLineY = marginY + lineHeight * 2 - lineWidth + offsetY;
+        int thirdLineY = marginY + lineHeight * 3 - lineWidth + offsetY;
+        int fourthLineY = marginY + lineHeight * 4 - lineWidth + offsetY;
+        int fiveLineY = marginY + lineHeight * 5 - lineWidth + offsetY;
+
+        int textAlignHorizontal = 0; // 左对齐
+
+        labelPrinter.PrintText(marginX * 2 + offsetX, marginY + offsetY, "3", textList.get(0), 0, 7, 0, 0);
+        labelPrinter.PrintText(marginX * 2 + titleWidth + offsetX, marginY + offsetY, "3", textList.get(1), 0, 7, 0, 0);
+
+
+        labelPrinter.PrintText(marginX * 2 + offsetX, marginY + lineHeight - lineWidth + offsetY, "3", textList.get(2), 0, 7, 0, 0);
+
+
+        labelPrinter.PrintText(marginX * 2 + offsetX, secondLineY, "3", textList.get(3), 0, 7, 0, 0);
+
+
+        labelPrinter.PrintText(marginX * 2 + offsetX, thirdLineY, "3", textList.get(4), 0, 7, 0, 0);
+        labelPrinter.PrintText(marginX * 2 + titleWidth + offsetX, thirdLineY, "3", textList.get(5), 0, 7, 0, 0);
+
+
+        labelPrinter.PrintText(marginX * 2 + offsetX, fourthLineY, "3", textList.get(6), 0, 7, 0, 0);
+        labelPrinter.PrintText(marginX * 2 + titleWidth + offsetX, fourthLineY, "3", textList.get(7), 0, 7, 0, 0);
+
+
+        labelPrinter.PrintText(marginX * 2 + offsetX, fiveLineY, "3", textList.get(8), 0, 7, 0, 0);
+        labelPrinter.PrintText(marginX * 2 + titleWidth + offsetX, fiveLineY, "3", textList.get(9), 0, 7, 0, 0);
+
 
-        getInstance().SetLabelSize(560,640);
-        labelPrinter.PrintBarcodeQR(80, 20,  0, "SHXM2024007404", 'H', 18, 2);
-        labelPrinter.PrintText(100, 500, "8", "SHXM2024007404", 0, 7, 3, 0);
         int code = getInstance().PrintLabel(1,1);
         result.success(code == 0 ? true : false);
     }
 
+    // BTP打印机同时打印图标和标签只能调这个，依次printBitMap再printText会导致偶发printText不走。
+    public  static  void PrintBitMapAndText(Bitmap bitmap, String deviceName, ArrayList<String> textList,@NonNull MethodChannel.Result result) {
+        int x = 0;
+        if(deviceName.contains("BTP-UP321")) {
+            x = 0;
+        } else if(deviceName.contains("BTP-P398PLUS")) {
+            x = 40;
+        }
+        int bytes = bitmap.getByteCount();
+        ByteBuffer buf = ByteBuffer.allocate(bytes);
+        bitmap.copyPixelsToBuffer(buf);
+        ByteArrayOutputStream LionData=new ByteArrayOutputStream();
+        bitmap.compress(Bitmap.CompressFormat.PNG, 100, LionData);
+
+        getInstance().SetLabelSize(560,640*2);
+        int code = getInstance().PrintImageData(x, 0, LionData.toByteArray());
+
+
+        int width = 560;
+        int height = 640;
+
+        int marginX = 2;
+        int marginY = 80;
+        //矩形框类型
+        int rectangleWidth = width - marginX * 2;
+        int rectangleHeight = height - marginY * 2;
+        int lineWidth = 1;
+
+        int lineHeight = rectangleHeight / 6;
+
+        int titleWidth = rectangleWidth / 2;
+
+        float fontSize = 3;
+        // 设置初始偏移量
+        int offsetY = 680;
+        int offsetX = 0;
+        // 计算绘制线条的 y 坐标
+        int secondLineY = marginY + lineHeight * 2 - lineWidth + offsetY;
+        int thirdLineY = marginY + lineHeight * 3 - lineWidth + offsetY;
+        int fourthLineY = marginY + lineHeight * 4 - lineWidth + offsetY;
+        int fiveLineY = marginY + lineHeight * 5 - lineWidth + offsetY;
+
+        int textAlignHorizontal = 0; // 左对齐
+
+        labelPrinter.PrintText(marginX * 2 + offsetX, marginY + offsetY, "3", textList.get(0), 0, 7, 0, 0);
+        labelPrinter.PrintText(marginX * 2 + titleWidth + offsetX, marginY + offsetY, "3", textList.get(1), 0, 7, 0, 0);
+
+
+        labelPrinter.PrintText(marginX * 2 + offsetX, marginY + lineHeight - lineWidth + offsetY, "3", textList.get(2), 0, 7, 0, 0);
+
+
+        labelPrinter.PrintText(marginX * 2 + offsetX, secondLineY, "3", textList.get(3), 0, 7, 0, 0);
+
+
+        labelPrinter.PrintText(marginX * 2 + offsetX, thirdLineY, "3", textList.get(4), 0, 7, 0, 0);
+        labelPrinter.PrintText(marginX * 2 + titleWidth + offsetX, thirdLineY, "3", textList.get(5), 0, 7, 0, 0);
+
+
+        labelPrinter.PrintText(marginX * 2 + offsetX, fourthLineY, "3", textList.get(6), 0, 7, 0, 0);
+        labelPrinter.PrintText(marginX * 2 + titleWidth + offsetX, fourthLineY, "3", textList.get(7), 0, 7, 0, 0);
+
+
+        labelPrinter.PrintText(marginX * 2 + offsetX, fiveLineY, "3", textList.get(8), 0, 7, 0, 0);
+        labelPrinter.PrintText(marginX * 2 + titleWidth + offsetX, fiveLineY, "3", textList.get(9), 0, 7, 0, 0);
+
+
+
+
+        getInstance().PrintLabel(1,1);
+        result.success(code == 0 ? true : false);
+    }
 }

lib/page/print/print_page.dart

@@ -99,8 +99,12 @@ class _PrintPageState extends BaseLifecycleState<PrintPage> {
 
 
     MyNavigator.showLoading(msg: '打印中...');
-    await PrintService.startBluetoothPrintBitMap(smallUint8List!);
-    await PrintService.startBluetoothPrintText(widget.args.textList);
+    if(PrintService.connectedDeviceList.last.deviceName.contains("BTP")) {
+      await PrintService.startBluetoothPrintBitMapAndText(smallUint8List!, widget.args.textList);
+    } else {
+      await PrintService.startBluetoothPrintBitMap(smallUint8List!);
+      await PrintService.startBluetoothPrintText(widget.args.textList);
+    }
     MyNavigator.dismiss();
     MyNavigator.showToast('打印成功');
   }

lib/plugin/bluetooth_plugin.dart

@@ -100,6 +100,16 @@ class BluetoothPlugin {
   }
 
   //开始打印
+  Future<bool> startBluetoothPrintBitMapAndText(Uint8List bytes,List<String> textList) async {
+
+    if (Platform.isIOS) {
+      return false;
+    }
+    return _channel.invokeMethod('startBluetoothPrintBitMapAndText', {"bytes": bytes, "textList": textList}).then<bool>((d) => d);
+  }
+
+
+  //开始打印
   Future<bool> startBluetoothPrintBarCodeWithText(String barCode, String text) async {
 
     if (Platform.isIOS) {

lib/service/print_service.dart

@@ -139,6 +139,16 @@ class PrintService {
     }
   }
 
+  // 打印打印图片和文字只给BTP设备使用
+  static Future<bool> startBluetoothPrintBitMapAndText(Uint8List bytes,List<String> textList) async {
+
+    if(await canExecAction()) {
+      return await BluetoothPlugin.instance.startBluetoothPrintBitMapAndText(bytes, textList);
+    } else {
+      return false;
+    }
+  }
+
   //开始打印图片
   static Future<bool> startBluetoothPrintBitMap(Uint8List bytes) async {