uu

components/tpx-bluetooth-print/print/printJob.js

@@ -116,6 +116,7 @@ function grayPixle(pix) {
     }
  */
 export function overwriteImageData(data) {
+	console.log("overwriteImageData data====", data)
     let sendWidth = data.width,
         sendHeight = data.height;
     const threshold = data.threshold || 180;
@@ -173,6 +174,7 @@ export function overwriteImageData(data) {
  */
 export function sendDataToPrint(options, allUint8Array) {
     const allLenth = allUint8Array.length;
+	console.log("====allLenth===", allLenth)
     const writeArrayCopyer = allUint8Array.slice(0);
     const print = (options, writeArray) => {
         if (writeArray.length) {
@@ -244,6 +246,8 @@ export function getImageCommandArray(opt = {}, imageInfo = {}) {
     }
  */
 export function getPrintImageWriteArray(opt = {}, imageInfo = {}) {
+	console.log('getPrintImageWriteArray:opt======', opt)
+	console.log('getPrintImageWriteArray:imageInfo=====', imageInfo)
     const lineByLine = typeof opt.lineByLine !== 'boolean' ? true : opt.lineByLine;
     const width = imageInfo.width;
     let arr = imageInfo.array;

components/tpx-bluetooth-print/tpx-bluetooth-print.vue

@@ -37,7 +37,7 @@ export default {
 			canvasId: 'shareCanvas',
 			imgData: '',
 			percentage: 0, // 打印进度 
-			threshold: [200], // 阈值(值越大,图片打印越深)
+			threshold: 200, // 阈值(值越大,图片打印越深)
 			blueToothData: {
 				deviceId: '',
 				serviceId: '',
@@ -56,20 +56,16 @@ export default {
 		},
 		// 打印
 		async handlePrint(){
-			
+			const that = this
-			showLoading('正在打印')
+			// showLoading('正在打印') 
-			const pix = res.data;
 			const opt = {
 			    ...this.blueToothData,
 			    onProgress: (percentage) => {
-			        this.setData({
+					console.log("打印进度====", percentage)
-			            percentage,
+			        that.percentage = percentage
-			        });
 			    },
 			    lasterSuccess: () => {
-			        this.setData({
+					that.percentage = 0
-			            percentage: 0,
-			        });
 			        uni.showModal({
 			            title: '提示',
 			            content: '数据已发送完，请检查打印的内容是否正常',
@@ -79,18 +75,18 @@ export default {
 			    },
 			}
 			
+			console.log('====this.imgData===', this.imgData)
 			//打印图片
 			printJob.printImage(
 			    opt,
 			    // 将图片数据转成位图数据
 			    printJob.overwriteImageData({
-			        threshold: threshold[0],
+			        threshold: this.threshold,
 			        imageData: this.imgData,
 			        width: this.canvasWidth,
 			        height: this.canvasHeight,
 			    }),
 			);
-			
 		},
 		// 选择本地文件打印-- TODO
 		// chooseImage() {
@@ -168,7 +164,7 @@ export default {
 							height = parseInt(that.canvasWidth * (res.height / res.width))
 							that.$emit("update:canvasHeight", height)
 						}
-						cxt.drawImage(res.path, 0, 0, that.canvasWidth, that.canvasHeight);
+						cxt.drawImage(res.path, 0, 0, that.canvasWidth, height);
 						console.log("开始绘制图片===")
 						cxt.draw(true, ()=> {
 							console.log("绘制图片结束===")