丰富桑达打印驱动方法

app/src/main/java/com/miya/hardware/PrintActivity.java

@@ -67,6 +67,11 @@ public class PrintActivity extends Activity implements View.OnClickListener {
     EditText etAlign;
     Button btnSetAlign;
 
+    /**
+     * 走纸
+     */
+    Button btnFeedPaper;
+
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -90,6 +95,7 @@ public class PrintActivity extends Activity implements View.OnClickListener {
         btnStatus = findViewById(R.id.btnStatus);
         btnSetAlign = findViewById(R.id.btnSetAlign);
         etAlign = findViewById(R.id.etAlign);
+        btnFeedPaper = findViewById(R.id.btnFeedPaper);
 
         //set click listener
         btnInit.setOnClickListener(this);
@@ -104,6 +110,7 @@ public class PrintActivity extends Activity implements View.OnClickListener {
         btnPrintImg.setOnClickListener(this);
         btnStatus.setOnClickListener(this);
         btnSetAlign.setOnClickListener(this);
+        btnFeedPaper.setOnClickListener(this);
     }
 
     @Override
@@ -173,7 +180,8 @@ public class PrintActivity extends Activity implements View.OnClickListener {
                 break;
             case R.id.btnPrintImg:
                 if (PrinterManager.getInstance().isConnected()) {
-                    Bitmap bm = BitmapUtils.scaleBitmap(BitmapFactory.decodeResource(getResources(), R.drawable.logo_demo), 240, 0);
+//                    Bitmap bm = BitmapUtils.scaleBitmap(BitmapFactory.decodeResource(getResources(), R.drawable.logo_demo), 240, 0);
+                    Bitmap bm = BitmapFactory.decodeResource(getResources(), R.drawable.logo_demo);
                     try {
                         PrinterManager.getInstance().getPrinter().printImage(-1, bm, false);
                     } catch (Exception ex) {
@@ -212,6 +220,17 @@ public class PrintActivity extends Activity implements View.OnClickListener {
                     tvResult.setText("未连接打印机");
                 }
                 break;
+            case R.id.btnFeedPaper:
+                if (PrinterManager.getInstance().isConnected()) {
+                    try {
+                        int ret = PrinterManager.getInstance().getPrinter().feedPaper();
+                        tvResult.setText(PrinterStatusEnum.find(ret).getDesc());
+                    } catch (Exception ex) {
+                        ex.printStackTrace();
+                        tvResult.setText(ex.getMessage());
+                    }
+                }
+                break;
             case R.id.ivBack:
                 finish();
                 break;

app/src/main/res/layout/activity_print.xml

@@ -129,6 +129,16 @@
                 android:text="打印图片" />
         </TableRow>
 
+        <TableRow>
+
+            <Button
+                android:id="@+id/btnFeedPaper"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:text="走纸" />
+        </TableRow>
+
         <TableRow>
 
             <Button

print/build.gradle

@@ -22,6 +22,12 @@ android {
         }
     }
 
+    sourceSets {
+        main {
+            jniLibs.srcDirs = ['libs']
+        }
+    }
+
 }
 
 dependencies {

print/src/main/java/com/miya/print/ChuangjiePrinter.java

@@ -285,19 +285,28 @@ public class ChuangjiePrinter extends BasePrinter {
         return ret;
     }
 
+    /**
+     * 打印二维码
+     * 注：由于机器限制，此方法无法居右打印二维码，当选择居右打印时，仍会居左打印二维码
+     *
+     * @param align
+     * @param content
+     * @param isFeed
+     * @return
+     */
     @Override
     public int printQrcode(int align, String content, boolean isFeed) {
         int ret = setAlign(align);
         //创捷机器打印二维码不能通过setAlign实现居中，永远会居左打印
         if (this.align == 0) {
             //居左打印
-            ret = printQrcode(content, 0, 6, 1);
+            ret = printQrcode(content, 0, 8, 1);
         } else if (this.align == 1) {
             //居中打印
-            ret = printQrcode(content, 12, 6, 1);
+            ret = printQrcode(content, 24, 8, 1);
         } else if (this.align == 2) {
             //居右
-            ret = printQrcode(content, 24, 6, 1);
+            ret = printQrcode(content, 24, 8, 1);
         }
         if (isFeed) {
             ret = feedPaper();
@@ -308,7 +317,7 @@ public class ChuangjiePrinter extends BasePrinter {
     @Override
     public int printBarcode(int align, String content, boolean isFeed) {
         int ret = setAlign(align);
-        //创捷机器打印条码只能居中打印,并且内部会强制走纸
+        //创捷机器打印条码只能居左、居中打印,并且内部会强制走纸
         ret = printBarCode(content);
         if (isFeed) {
             ret = feedPaper();

print/src/main/java/com/miya/print/PrinterManager.java

@@ -19,6 +19,7 @@ public class PrinterManager {
 //        TYPE_HISENSE("hisense", ChuangjiePrinter.class.getName()),
 //        TYPE_YINGTAI("yingtai", ChuangjiePrinter.class.getName()),
 //        TYPE_SUNMI("shangmi", ChuangjiePrinter.class.getName()),
+        TYPE_SANGDA("sangda", SangdaPrinter.class.getName()),
         TYPE_CHUANGJIE("chuangjie", ChuangjiePrinter.class.getName());
 
         /**

print/src/main/java/com/miya/print/PrinterStatusEnum.java

@@ -12,6 +12,11 @@ public enum PrinterStatusEnum {
      */
     CODE_SUCCESS(0, "操作成功"),
 
+    /**
+     * 未知状态
+     */
+    CODE_UNKOWN(-2, "未知状态"),
+
     /**
      * 操作失败
      */

print/src/main/java/com/miya/print/SangdaPrinter.java

 package com.miya.print;
 
 import android.content.Context;
+import android.graphics.Bitmap;
 
 import com.miya.print.exception.PrinterException;
+import com.miya.print.utils.BitmapUtils;
 import com.miya.print.utils.D;
+import com.miya.print.utils.PrintFormatUtils;
 import com.szsicod.print.escpos.PrinterAPI;
 import com.szsicod.print.io.InterfaceAPI;
 import com.szsicod.print.io.SerialAPI;
 
 import java.io.File;
+import java.io.IOException;
 import java.io.UnsupportedEncodingException;
 import java.util.Arrays;
 
@@ -22,6 +26,11 @@ public class SangdaPrinter extends BasePrinter {
     public PrinterAPI mPrinter = PrinterAPI.getInstance();
     InterfaceAPI io = null;
 
+    /**
+     * 80mm打印纸允许打印的最大图片的宽度,此为经验值
+     */
+    final static int MAX_IMG_WIDTH_80MM = 570;
+
     @Override
     public boolean init(Context context) {
         super.init(context);
@@ -60,46 +69,127 @@ public class SangdaPrinter extends BasePrinter {
                 e.printStackTrace();
                 throw new PrinterException(PrinterStatusEnum.CODE_FAILED.getStatus(), e.getMessage());
             }
-        }
+        } else {
             throw new PrinterException(PrinterStatusEnum.CODE_FAILED.getStatus(), PrinterStatusEnum.CODE_FAILED.getDesc());
         }
+    }
 
     @Override
     public int printBarcode(int align, String content, boolean isFeed) {
         if (mPrinter != null) {
             int ret = setAlign(align);
             try {
-                ret = mPrinter.printBarCode(0, content.length(), content);
+                //通过printString传入打印指令实现条码的打印
+                ret = mPrinter.printString(PrintFormatUtils.getBarcodeCmd(content), "GBK", isFeed);
+//                ret = mPrinter.printBarCode(73, content.length(), content);
+                return ret;
+            } catch (UnsupportedEncodingException e) {
+                e.printStackTrace();
+                throw new PrinterException(PrinterStatusEnum.CODE_FAILED.getStatus(), e.getMessage());
+            }
+        } else {
+            throw new PrinterException(PrinterStatusEnum.CODE_FAILED.getStatus(), PrinterStatusEnum.CODE_FAILED.getDesc());
+        }
+    }
+
+    @Override
+    public int printQrcode(int align, String content, boolean isFeed) {
+        if (mPrinter != null) {
+            int ret = setAlign(align);
+            ret = mPrinter.printQRCode(content, 4, false);
             if (isFeed) {
                 ret = feedPaper();
             }
             return ret;
-            } catch (UnsupportedEncodingException e) {
+        } else {
+            throw new PrinterException(PrinterStatusEnum.CODE_FAILED.getStatus(), PrinterStatusEnum.CODE_FAILED.getDesc());
+        }
+    }
+
+    @Override
+    public int printImage(int align, Bitmap bm, boolean isFeed) {
+        if (mPrinter != null && bm != null) {
+            int ret = setAlign(align);
+            try {
+                Bitmap actualBm = BitmapUtils.scaleBitmap(bm, MAX_IMG_WIDTH_80MM, 0);
+                if (bm.getWidth() > MAX_IMG_WIDTH_80MM) {
+                    //如果超过阈值，则缩放至目标大小
+                    ret = mPrinter.printRasterBitmap(actualBm);
+                } else {
+                    ret = mPrinter.printRasterBitmap(bm);
+                }
+                if (actualBm != null) {
+                    actualBm.recycle();
+                }
+            } catch (IOException e) {
                 e.printStackTrace();
                 throw new PrinterException(PrinterStatusEnum.CODE_FAILED.getStatus(), e.getMessage());
             }
+            if (isFeed) {
+                ret = feedPaper();
             }
+            return ret;
+        } else {
             throw new PrinterException(PrinterStatusEnum.CODE_FAILED.getStatus(), PrinterStatusEnum.CODE_FAILED.getDesc());
         }
+    }
 
     @Override
     public int setAlign(int align) {
         if (mPrinter != null) {
+            if (this.align != align &&
+                    (align == 0 || align == 1 || align == 2)) {
                 int ret = mPrinter.setAlignMode(align);
                 this.align = align;
-            return ret;
             }
+            return PrinterStatusEnum.CODE_SUCCESS.getStatus();
+        } else {
             throw new PrinterException(PrinterStatusEnum.CODE_FAILED.getStatus(), PrinterStatusEnum.CODE_FAILED.getDesc());
         }
+    }
 
     @Override
     public int feedPaper() {
         if (mPrinter != null) {
             int ret = mPrinter.printFeed();
             return ret;
+        } else {
+            throw new PrinterException(PrinterStatusEnum.CODE_FAILED.getStatus(), PrinterStatusEnum.CODE_FAILED.getDesc());
+        }
     }
+
+    @Override
+    public int cutPaper() {
+        if (mPrinter != null) {
+            int ret = mPrinter.cutPaper(66, 0);
+            return ret;
+        } else {
             throw new PrinterException(PrinterStatusEnum.CODE_FAILED.getStatus(), PrinterStatusEnum.CODE_FAILED.getDesc());
         }
+    }
+
+    @Override
+    public int getPrinterStatus() {
+        if (mPrinter != null) {
+            //这个方法参数中的n只能取1或49
+            int ret = mPrinter.getPrinterStatus(1);
+            //做一个状态对应转换，转换为自定义标准的状态码类型
+            switch (ret) {
+                case 0:
+                    //正常状态
+                    return 0;
+                case 12:
+                    //缺纸
+                    return PrinterStatusEnum.CODE_NO_PAPER.status;
+                case 3:
+                    //纸将尽
+                    return PrinterStatusEnum.CODE_FEW_PAPER.status;
+            }
+            return PrinterStatusEnum.CODE_UNKOWN.status;
+        } else {
+            throw new PrinterException(PrinterStatusEnum.CODE_FAILED.getStatus(), PrinterStatusEnum.CODE_FAILED.getDesc());
+        }
+    }
 
     public PrinterAPI getPrinter() {
         return mPrinter;

print/src/main/java/com/miya/print/utils/BitmapUtils.java

@@ -41,10 +41,10 @@ public class BitmapUtils {
         }
         matrix.preScale(scaleX, scaleY);
         Bitmap newBM = Bitmap.createBitmap(origin, 0, 0, widthOrigin, heightOrigin, matrix, false);
-        if (newBM.equals(origin)) {
-            return newBM;
-        }
-        origin.recycle();
+//        if (newBM.equals(origin)) {
+//            return newBM;
+//        }
+//        origin.recycle();
         return newBM;
     }