yinyitong-zhongyuyuan-dll-hang/src/main/java/com/dpkj/modules/autoReplyPrint/base/BaseImagePrint.java

package com.dpkj.modules.autoReplyPrint.base;

import com.dpkj.common.exception.RRException;
import com.dpkj.modules.autoReplyPrint.utils.AutoReplyPrint;
import com.dpkj.modules.autoReplyPrint.utils.ImageUtils;
import com.sun.jna.Pointer;
import org.springframework.web.multipart.MultipartFile;


/**
 * 图片打印基础实现
 *
 * @author <a href="https://gitee.com/shi-chongli">石头人</a>
 * @version 1.0
 * @since 2025-01-17 14:37:23
 */
public abstract class BaseImagePrint {

    /**
     * 必须要实现这个，获取句柄
     * @param devName 设备名称/串口名称
     * @return 窗口句柄
     */
    public abstract Pointer getHandle(String devName);


    public void printFromPath(String devName, int dstw, int dsth, String pszFile, int binaryzation_method, int compression_method) {
        Pointer handle = getHandle(devName);
        try {
            // 开始打印图片
            boolean printTag = AutoReplyPrint.INSTANCE.CP_Pos_PrintRasterImageFromFile(handle, dstw, dsth, pszFile, binaryzation_method, compression_method);
            if( !printTag ){
                throw new RRException("打印图片失败");
            }

            // 切纸
            AutoReplyPrint.INSTANCE.CP_BlackMark_SetBlackMarkPaperCutPosition(handle, 0);
            boolean cutPaper = AutoReplyPrint.INSTANCE.CP_Pos_FeedAndHalfCutPaper(handle);
            if ( !cutPaper){
                throw new RRException("图片裁剪失败，请自行裁剪");
            }
        }catch (Exception e){
            e.printStackTrace();
            throw new RRException(e);
        }finally {
            if ( handle != null) AutoReplyPrint.INSTANCE.CP_Port_Close(handle);
        }
    }


    public void printFromPathData(String devName, int dstw, int dsth, String pszFile, int binaryzation_method, int compression_method) {
        // 获取图片
        byte[] data = ImageUtils.imageToBytes(pszFile);
        this.printFromData(devName, dstw, dsth, data, binaryzation_method, compression_method);
    }


    public void printFromData(String devName, int dstw, int dsth, byte[] data, int binaryzation_method, int compression_method) {
        Pointer handle = getHandle(devName);
        try {
            // 开始打印图片
            boolean printTag = AutoReplyPrint.INSTANCE.CP_Pos_PrintRasterImageFromData(handle, dstw, dsth, data, data.length, binaryzation_method, compression_method);
            if( !printTag ){
                throw new RRException("打印图片失败");
            }

            // 切纸
            AutoReplyPrint.INSTANCE.CP_BlackMark_SetBlackMarkPaperCutPosition(handle, 0);
            boolean cutPaper = AutoReplyPrint.INSTANCE.CP_Pos_FeedAndHalfCutPaper(handle);
            if ( !cutPaper){
                throw new RRException("图片裁剪失败，请自行裁剪");
            }
        }catch (Exception e){
            e.printStackTrace();
            throw new RRException(e);
        }finally {
            if ( handle != null) AutoReplyPrint.INSTANCE.CP_Port_Close(handle);
        }
    }


    public void printFromMultipartFile(String devName, int dstw, int dsth, MultipartFile file, int binaryzation_method, int compression_method){
        byte[] data = ImageUtils.getByteToMultipartFile(file);
        this.printFromData(devName, dstw, dsth, data, binaryzation_method, compression_method);
    }


}