/// <summary>
/// 双语标签
/// </summary>
/// <param name="protocol">协议</param>
/// <param name="startX">标签起始x坐标</param>
/// <param name="startY">标签起始y坐标</param>
/// <param name="zhCnLabel">中文标签</param>
/// <param name="enLabel">英文标签</param>
/// <param name="lineSpacing">行距</param>
/// <param name="zhCnFontSize">中文字体大小</param>
/// <param name="enFontSize">英文字体大小</param>
public static IBluetoothPrinterProtocol BilingualLabel(this IBluetoothPrinterProtocol protocol, int startX,
int startY, string zhCnLabel, string enLabel, int lineSpacing = 5, FontSize zhCnFontSize = FontSize.Size24, FontSize enFontSize = FontSize.Size16)
{
protocol.DrawText(startX, startY, zhCnLabel, zhCnFontSize);
protocol.DrawText(startX, startY + (int)zhCnFontSize + lineSpacing, enLabel, enFontSize);
return(protocol);
}
/// <summary>
/// 画文字
/// </summary>
/// <param name="protocol">协议</param>
/// <param name="startX">文字起始x坐标</param>
/// <param name="startY">文字起始y坐标</param>
/// <param name="width">文字绘制区域宽度(可以为0，不为0的时候文字需要根据宽度自动换行)</param>
/// <param name="height">文字绘制区域高度(可以为0)</param>
/// <param name="text">内容</param>
public static IBluetoothPrinterProtocol DrawText(this IBluetoothPrinterProtocol protocol, int startX,
int startY, int width, int height, string text) =>
protocol.DrawText(startX, startY, width, height, text, FontSize.Size16, TextStyle.None,
PrintColor.Black, RotationAngle.None);
/// <summary>
/// 画文字
/// </summary>
/// <param name="protocol">协议</param>
/// <param name="startX">文字起始x坐标</param>
/// <param name="startY">文字起始y坐标</param>
/// <param name="text">内容</param>
/// <param name="fontSize">字体大小</param>
public static IBluetoothPrinterProtocol DrawText(this IBluetoothPrinterProtocol protocol, int startX,
int startY, string text, FontSize fontSize) =>
protocol.DrawText(startX, startY, 0, 0, text, fontSize, TextStyle.None,
PrintColor.Black, RotationAngle.None);