修复打印二维码、图片打印一半的问题

lewaimai_pos_windows/tool/CPosPrinter.cpp

@@ -882,8 +882,6 @@ void CPosPrinter::PrintWaimaiOrderShouyin(CWaimaiOrder& order)
 			POS_TextOut("请使用配送员app扫码绑定订单", false, false, 1);
 		}
 
-		POS_OutBmp(_T("D:\\256.jpg"));
-
         //走纸几行再切
         POS_FeedLine();
         POS_FeedLine();
@@ -1611,13 +1609,19 @@ void CPosPrinter::POS_OutQRCode(std::string dataString)
 	escBmp[3] = (unsigned char)(unWidthAdjusted % 256);
 	escBmp[4] = (unsigned char)(unWidthAdjusted / 256);
 
+	//换行符，每打印一行都要发送这个，不然有些尺寸下图片会乱掉
+	unsigned char change_line_tag = '\n';
+
+	//存储每行数据的结构
+	unsigned char* dataTmp = new unsigned char[unWidthAdjusted * 3];
+
 	//循环图片像素打印图片
 	for (unsigned int i = 0; i < (unHeightAjusted / 24 + 1); i++)
 	{
 		//设置模式为位图模式
 		WriteBuf(escBmp, 5);
 
-		unsigned char* dataTmp = new unsigned char[unWidthAdjusted * 3];
+		//重新开始打印一行，置零
 		memset(dataTmp, 0, unWidthAdjusted * 3);
 
 		//循环宽
@@ -1638,13 +1642,19 @@ void CPosPrinter::POS_OutQRCode(std::string dataString)
 		}
 
 		WriteBuf(dataTmp, unWidthAdjusted * 3);
-		delete[] dataTmp;
+
+		//换行符，这里必须要发这个，不然图片会乱
+		WriteBuf(&change_line_tag, 1);
 	}
 
+	WriteBuf(&change_line_tag, 1);
+
 	//还原默认的行间距
 	unsigned char data3[2] = { 0x1B, 0x32 };
 	WriteBuf(data3, 2);
 
+	delete[] dataTmp;
+
 	QRcode_free(qrCode);
 
 	delete[] realData;
@@ -1654,6 +1664,9 @@ void CPosPrinter::POS_OutQRCode(std::string dataString)
 
 void CPosPrinter::POS_OutBmp(std::wstring ImagePath)
 {
+	//初始化
+	POS_Reset();
+
 	//设置行间距为0
 	unsigned char data[3] = { 0x1B, 0x33, 0x00 };
 	WriteBuf(data, 3);
@@ -1697,13 +1710,19 @@ void CPosPrinter::POS_OutBmp(std::wstring ImagePath)
 
 	Gdiplus::Color pixelColor;
 
+	//换行符，每打印一行都要发送这个，不然有些尺寸下图片会乱掉
+	unsigned char change_line_tag = '\n';
+
+	//存储每行数据的结构
+	unsigned char* dataTmp = new unsigned char[nWidth * 3];
+
 	//循环图片像素打印图片
 	for (unsigned int i = 0; i < (nHeight / 24 + 1); i++)
 	{
 		//设置模式为位图模式
 		WriteBuf(escBmp, 5);
 
-		unsigned char* dataTmp = new unsigned char[nWidth * 3];
+		//重新开始打印一行，置零
 		memset(dataTmp, 0, nWidth * 3);
 
 		//循环宽
@@ -1727,100 +1746,18 @@ void CPosPrinter::POS_OutBmp(std::wstring ImagePath)
 		}
 
 		WriteBuf(dataTmp, nWidth * 3);
-		delete[] dataTmp;
-	}
-
-	//还原默认的行间距
-	unsigned char data3[2] = { 0x1B, 0x32 };
-	WriteBuf(data3, 2);
-}
-
-/*
- *这个是8点双密度的模式
- **/
-void CPosPrinter::POS_OutBmp_New(std::wstring ImagePath)
-{
-	//设置行间距为0
-	unsigned char data[3] = { 0x1B, 0x33, 0x00 };
-	WriteBuf(data, 3);
-
-	//设置图像居中对齐
-	unsigned char data2[3] = { 0x1B, 0x61, 0x01 };
-	WriteBuf(data2, 3);
-
-	CBitmapHelper helper;
-	helper.LoadImage(ImagePath.c_str());
-
-	Bitmap* bmp = helper.getBmp();
-
-	//先进行图片预处理
-	unsigned int nWidth = bmp->GetWidth();
-	unsigned int nHeight = bmp->GetHeight();
-
-	//压缩尺寸
-	if (nWidth > 380)
-	{
-		int newWidth = 380;
-		int newHeight = (int)(nHeight / (nWidth / 380.0));
-
-		helper.ScaleBitmap(newWidth, newHeight);;
 
-		nWidth = newWidth;
-		nHeight = newHeight;
+		//换行符，这里必须要发这个，不然图片会乱
+		WriteBuf(&change_line_tag, 1);
 	}
 
-	//二值化
-	helper.Image2Values();
-
-	//获得最新的图像指针
-	bmp = helper.getBmp();
-
-	//选择位图模式
-	unsigned char escBmp[5] = { 0x1B, 0x2A, 0x01, 0x00, 0x00 };
-
-	escBmp[3] = (unsigned char)(nWidth % 256);
-	escBmp[4] = (unsigned char)(nWidth / 256);
-
-	Gdiplus::Color pixelColor;
-
-	unsigned char *dataTmp = new unsigned char[1];
-	dataTmp[0] = (unsigned char)'\x00';
-
-	//循环图片像素打印图片
-	for (unsigned int i = 0; i < (nHeight / 8 + 1); i++)
-	{
-		//设置模式为位图模式
-		WriteBuf(escBmp, 5);
-
-		//循环宽
-		for (unsigned int j = 0; j < nWidth; j++)
-		{
-			for (unsigned int k = 0; k < 8; k++)
-			{
-				//找到有像素的区域，也就是未超出位图高度的区域
-				if (((i * 8) + k) < nHeight)
-				{
-					bmp->GetPixel(j, (i * 8) + k, &pixelColor);
-					unsigned char r = pixelColor.GetR();
-
-					if (r == 0)
-					{
-						//如果本来是黑色的像素，那么就把对应的数据位设置为1
-						dataTmp[0] += (unsigned char)(128 >> (k % 8));
-					}
-				}
-			}
-
-			WriteBuf(dataTmp, 1);
-			dataTmp[0] = (unsigned char)'\x00';
-		}
-	}
-
-	delete[] dataTmp;
+	WriteBuf(&change_line_tag, 1);
 
 	//还原默认的行间距
 	unsigned char data3[2] = { 0x1B, 0x32 };
 	WriteBuf(data3, 2);
+
+	delete[] dataTmp;
 }
 
 void CPosPrinter::BIAOQIAN_Reset()

lewaimai_pos_windows/tool/CPosPrinter.h

@@ -70,7 +70,6 @@ private:
 	int POS_CutPaper();
 	void POS_OutQRCode(std::string dataString);
 	void POS_OutBmp(std::wstring ImagePath);
-	void POS_OutBmp_New(std::wstring ImagePath);
 
 	//标签打印机的处理方法
 	void BIAOQIAN_Reset();