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

@@ -82,8 +82,44 @@ var tanexPrinter = {
 				r.push((~bits[i]) & 0xFF);
 			}
 			tanexPrinter.addCommand('\r\n') 
-			// console.log('===>setBitmapCmd:',JSON.stringify(r))
+			console.log('===>setBitmapCmd:', r)
 		}
+		
+		tanexPrinter.addBitmap2 = function(x, y, res) { //添加图片，res为画布参数
+			var w = res.width
+			var width = parseInt((res.width + 7) / 8 * 8 / 8)
+			var height = res.height;
+			// console.log(width + "--" + height)
+			data = `EG ${width} ${height} ${x} ${y} `
+			// console.log(command)
+			var r = []
+			var bits = new Uint8Array(height * width);
+			for (y = 0; y < height; y++) {
+				for (x = 0; x < w; x++) {
+					var color = res.data[(y * w + x) * 4 + 1];
+					if (color > 128) {
+						bits[parseInt(y * width + x / 8)] |= (0x80 >> (x % 8));
+					}
+				} 
+			}
+			for (var i = 0; i < bits.length; i++) {
+				r.push((~bits[i]) & 0xFF);
+			}
+			let egIData = ``
+			r.map(v=> {
+				// 转成16位的ASCII
+				let a16 = (v).toString(16)
+				if(v < 16) {
+					a16 = `0${a16}`
+				}
+				a16 = a16.toUpperCase()
+				data += `${a16}`
+			})
+			tanexPrinter.addCommand(data) 
+			console.log("addBitmap2 EG data =====================", data)
+			tanexPrinter.addCommand('\r\n') 
+		}
+		
 		tanexPrinter.addText = function(text) {
 			data = `TEXT 24 0 10 10 ${text}\r\n`
 			tanexPrinter.addCommand(data)

components/tpx-bluetooth-print/render-template-native.vue

@@ -43,7 +43,7 @@ export default {
 			imgData: '',
 			percentage: 0, // 打印进度 
 			imageUrl: '',
-			paperWidth: 320,
+			paperWidth: 560,
 		}
 	},
 	mounted () {
@@ -65,10 +65,14 @@ export default {
 				}
 				let prtInstance = tanexPrinterUniSdk.createInstance()
 				prtInstance.init(that.canvasHeight)
-				prtInstance.addBitmap(0, 0, that.imgData)
+				prtInstance.diyCode(`PAGE-WIDTH 600\r\n`)
+				// prtInstance.diyCode(`EG 2 16 90 45 F0F0F0F0F0F0F0F00F0F0F0F0F0F0F0F`)
+				// prtInstance.diyCode(`F0F0F0F0F0F0F0F00F0F0F0F0F0F0F0F\r\n`)
+				// prtInstance.addBitmap2(0, 0, that.imgData)
+				prtInstance.addBitmap2(0, 0, that.imgData)
 				prtInstance.setPagePrint()
 				let commond = prtInstance.getPrintCmd()
-				console.log("打印命令组装完成,开始打印=====")
+				console.log("打印命令组装完成,开始打印=====", commond)
 				printModule.print(deviceId, commond, true)
 				// printModule.printTestSimple(deviceId)