/// <summary>
/// 生成EMF文件
/// </summary>
/// <param name="dst">DST实例</param>
/// <param name="displayJump">显示跳针</param>
/// <returns></returns>
public static string Save(DstFile dst, bool displayJump)
{
string emf = Path.Combine(Environment.GetEnvironmentVariable("TEMP"), dst.FileName + ".emf");
Bitmap bmp = new Bitmap(dst.OneSize.Width, dst.OneSize.Height);// 创建图像
Graphics graphicsBmp = Graphics.FromImage(bmp);
graphicsBmp.SmoothingMode = SmoothingMode.AntiAlias;// 绘图质量
Metafile metafile = new Metafile(emf, graphicsBmp.GetHdc());
Graphics raphicsMef = Graphics.FromImage(metafile);
Point start, end; // 起点终点坐标
Pen pen = new Pen(dst.ColouPlate[0], 1); // 画笔
int corCount = 1;; // 换色次数
float pixels = Pixels.Get();
for (int i = 0; i < dst.Locations.Count - 1; i++) // 绘制
{
if (dst.ColorChange[i]) // 换色
{
pen.Color = dst.ColouPlate[corCount];
corCount++;
}
if (dst.StitchJump[i])
{
if (displayJump)
{
continue; // 跳针
}
}
start = dst.Locations[i];
end = dst.Locations[i + 1];
raphicsMef.DrawLine(pen, (int)((start.X - dst.MinX) * pixels), (int)((start.Y - dst.MinY) * pixels), (int)((end.X - dst.MinX) * pixels), (int)((end.Y - dst.MinY)) * pixels);
}
raphicsMef.Save();
raphicsMef.Dispose();
metafile.Dispose();
graphicsBmp.Dispose();
return(emf);
}
/// <summary>
/// 缩放
/// </summary>
/// <param name="inSize">绘制尺寸</param>
/// <param name="location_mode">针迹位置：保持不变 = "default"；窗口左上 = "left_top"；窗口中心 = "window_center"；鼠标中心 = "mouse_center"；</param>
private void Zooz(Size inSize, string location_mode)
{
#region 缩放限定
if (inSize.Width > 20480 || inSize.Height > 20480)
{
MessageBox.Show("分辨率超出最大支持范围：20480 x 20480");
return;
}
else if (inSize.Width < 50 || inSize.Height < 50)
{
MessageBox.Show("分辨率超出最小支持范围：50 x 50");
return;
}
#endregion 缩放限定
drawTimer.Stop(); // 延时开关
oldSize = pictureBox.Size; // 旧尺寸
oldMouseLocation = new Point(Cursor.Position.X - Location.X - frameSize - picPanel.Location.X, Cursor.Position.Y - Location.Y - titleSize - picPanel.Location.Y); // 旧光标在窗口坐标
oldLocation = pictureBox.Location; // 旧坐标
#region 新尺寸
zoozX = (float)inSize.Width / (float)dst.Size.Width;
zoozY = (float)inSize.Height / (float)dst.Size.Height;
if (zoozX > zoozY)
{
zoozZ = zoozY; // 宽的倍大时，以高的倍数放大
}
else if (zoozY > zoozX)
{
zoozZ = zoozX; // 高的倍大时，以宽的倍数放大
}
else if (zoozY == zoozX)
{
zoozZ = zoozY = zoozX; // 前面已排除1：1模式，理论上不存在zoozY == zoozX情况，但数值太大进行Float转换时，会出现误差，有概率发生此情况
}
newSize = new Size((int)(dst.Size.Width * zoozZ), (int)(dst.Size.Height * zoozZ)); // 得到绘制尺寸
pictureBox.Size = newSize;
#endregion 新尺寸
#region 新坐标
if (location_mode == "pic_center")
{
newLocation = new Point((picPanel.Width - pictureBox.Width) / 2, (picPanel.Height - pictureBox.Height) / 2); // 图片中心对齐窗口中心
}
else if (location_mode == "mouse_center") // 鼠标中心缩放 zoozSize的值分正负
{
liftTopSize = new Size(oldMouseLocation.X - oldLocation.X, oldMouseLocation.Y - oldLocation.Y); // 缩放前，鼠标左上区域所占尺寸
leftZooz = (float)liftTopSize.Width / (float)oldSize.Width; // 缩放前，缩放点左边占总宽百分比
topZooz = (float)liftTopSize.Height / (float)oldSize.Height; // 缩放前，缩放点上边占总高百分比
zoozSize = new Size(pictureBox.Width - oldSize.Width, pictureBox.Height - oldSize.Height); // 增或减的尺寸，增为正，减为负
newLocation = new Point(oldLocation.X - (int)(leftZooz * zoozSize.Width), oldLocation.Y - (int)(topZooz * zoozSize.Height));
}
else if (location_mode == "left_top")
{
newLocation = new Point(0, 0); // 对齐窗口左上
}
else if (location_mode == "windows_center") // 窗口中心缩放 zoozSize的值分正负
{
liftTopSize = new Size(picPanel.Width / 2 - oldLocation.X, picPanel.Height / 2 - oldLocation.Y); // 缩放前，缩放点左上区域所占尺寸
leftZooz = (float)liftTopSize.Width / (float)oldSize.Width; // 缩放前，缩放点左边占总宽百分比
topZooz = (float)liftTopSize.Height / (float)oldSize.Height; // 缩放前，缩放点上边占总高百分比
zoozSize = new Size(pictureBox.Width - oldSize.Width, pictureBox.Height - oldSize.Height); // 增或减的尺寸，增为正，减为负
newLocation = new Point(oldLocation.X - (int)(leftZooz * zoozSize.Width), oldLocation.Y - (int)(topZooz * zoozSize.Height));
}
else if (location_mode == "default")
{
} // 不变
else
{
MessageBox.Show("绘图时位置信息传入错误，坐标保持不变");
}
pictureBox.Location = newLocation;
#endregion 新坐标
if (oldSize != newSize)
{
drawTimer.Start(); // 绘制
}
/// 信息
infoLabel.Text = "带号：" + dst.FileName + " | 针数：" + dst.StitchCount + " | 颜色数：" + dst.ColorCount + " | 宽：" + dst.MmSize.Width + "mm | 高：" + dst.MmSize.Height + "mm | 起针点：X=" + (dst.Locations[0].X - dst.MinX) / 10 + "mm Y=" + (dst.Locations[0].Y - dst.MinY) / 10 + "mm | 缩放倍数：" + (zoozZ / Pixels.Get()).ToString("F2");
}
/// <summary>
/// 打开文件
/// </summary>
/// <param name="inPath">文件路径</param>
public static DstFile LoadFile(string inPath)
{
FileStream fileStream = File.OpenRead(inPath);// 读取文件到Byte
byte[] header = new byte[123];
fileStream.Read(header, 0, header.Length); // 提取有信息的文件头
byte[] tempByte = new byte[389];
fileStream.Read(tempByte, 0, tempByte.Length); // 清除没意义的文件头
byte[] stitch = new byte[fileStream.Length - header.Length - tempByte.Length - 3 - (fileStream.Length - 512) % 3]; // 总长 - 512 - 3 - 总长除3余数
fileStream.Read(stitch, 0, stitch.Length); // 提取针迹
byte[] end = new byte[fileStream.Length - header.Length - stitch.Length];
fileStream.Read(end, 0, end.Length); // 提取结束符
fileStream.Close();
///
DstFile dst = new DstFile();
dst.FilePath = inPath;
dst.FileName = Path.GetFileNameWithoutExtension(inPath);
///
try
{
string json = "{" + Encoding.Default.GetString(header);// 文件头转换Json
json = json.Replace(" ", "").Replace("\r", "").Replace("LA:", "\"LA\": \"").Replace("ST:", "\",\"ST\": \"").Replace("CO:", "\",\"CO\": \"").Replace("+X:", "\",\"+X\": \"").Replace("-X:", "\",\"-X\": \"").Replace("+Y:", "\",\"+Y\": \"").Replace("-Y:", "\",\"-Y\": \"").Replace("AX:", "\",\"AX\": \"").Replace("AY:", "\",\"AY\": \"").Replace("MX:", "\",\"MX\": \"").Replace("MY:", "\",\"MY\": \"").Replace("PD:", "\",\"PD\": \"");
json += "\"}";
JObject messages = JObject.Parse(json);
//name = (string)messages["LA"];
dst.StitchCount = (int)messages["ST"];
dst.ColorCount = (int)messages["CO"] + 1;
dst.ColouPlate = RandomColor.Get(dst.ColorCount);
dst.MaxX = (int)(messages["+X"]);
dst.MinX = (int)(messages["-X"]);
dst.MaxY = (int)(messages["+Y"]);
dst.MinY = (int)(messages["-Y"]);
dst.StartX = (int)(messages["AX"]);
dst.EndX = (int)(messages["MX"]);
dst.StartY = (int)(messages["AY"]);
dst.EndY = (int)(messages["MY"]);
dst.Size = new Size(dst.MaxX + dst.MinX, dst.MaxY + dst.MinY);
dst.MmSize = new Size((dst.MaxX + dst.MinX) / 10, (dst.MaxY + dst.MinY) / 10);
dst.OneSize = new Size((int)(dst.Size.Width * Pixels.Get()), (int)(dst.Size.Height * Pixels.Get()));
}
catch
{
MessageBox.Show("文件格式错误");
return(null);
}
///
byte byte1, byte2, byte3;// 每3个字节为一组坐标
dst.MinX = dst.MinY = 0;
Point point = new Point(0, 0);// 初始坐标
float pixels = Pixels.Get();
for (int i = 0; i < stitch.Length; i += 3)
{
byte1 = stitch[i];
byte2 = stitch[i + 1];
byte3 = stitch[i + 2];
point.X += Bit(byte1, 0) - Bit(byte1, 1) + Bit(byte1, 2) * 9 - Bit(byte1, 3) * 9 + Bit(byte2, 0) * 3 - Bit(byte2, 1) * 3 + Bit(byte2, 2) * 27 - Bit(byte2, 3) * 27 + Bit(byte3, 2) * 81 - Bit(byte3, 3) * 81;
point.Y -= Bit(byte1, 7) - Bit(byte1, 6) + Bit(byte1, 5) * 9 - Bit(byte1, 4) * 9 + Bit(byte2, 7) * 3 - Bit(byte2, 6) * 3 + Bit(byte2, 5) * 27 - Bit(byte2, 4) * 27 + Bit(byte3, 5) * 81 - Bit(byte3, 4) * 81;
if (point.X < dst.MinX)
{
dst.MinX = point.X; // 坐标负值修正
}
if (point.Y < dst.MinY)
{
dst.MinY = point.Y; // 坐标负值修正
}
dst.Locations.Add(point); // 坐标
dst.ColorChange.Add((Bit(byte3, 6) == 1)); // 换色
dst.StitchJump.Add((Bit(byte3, 7) == 1)); // 跳针
}
return(dst);
}
