private void LoadFromFile(string path, params object[] otherParams)
{
this.FilePath = path;
this.DocumentName = Path.GetFileNameWithoutExtension(path);
this.ExtensionName = Path.GetExtension(path);
if (loadFileThread != null)
{
if (loadFileThread.IsAlive)
{
return;
}
}
if (!string.IsNullOrEmpty(this.FilePath))
{
if (cadImage != null) //处理现有打开的文档
{
cadImage.DrawMatrixChanged -= new CADImport.EventHandler(cadImage_DrawMatrixChanged);
cadImage.AfterRotate -= new CADImport.EventHandler(cadImage_AfterRotate);
cadImage.Dispose();
cadImage = null;
if (this.HostControl != null && this.HostControl.LayerControl != null)
{
this.HostControl.LayerControl.Clear();
}
}
this.HostControl.SetBusyCursor();
EventBus.Trigger(new MultiThreadStatusStartEventData("正在打开文件" + this.DocumentName + "...", this, this.HostControl));
cadImage = CADImage.CreateImageByExtension(FilePath);
cadImage.NavigateDrawMatrix = navigateDrawMatrix;
cadImage.visibleArea = ((Control)this.HostControl).ClientSize;
cadImage.Painter.viewportRect = new DRect(0, 0, cadImage.visibleArea.Width, cadImage.visibleArea.Height);
ImageRectangleF = new RectangleF(0, 0, (float)cadImage.AbsWidth, (float)cadImage.AbsHeight);
cadImage.DrawMatrixChanged += new CADImport.EventHandler(cadImage_DrawMatrixChanged);
cadImage.AfterRotate += new CADImport.EventHandler(cadImage_AfterRotate);
CADImport.CADConst.DefaultSHXParameters.UseSHXFonts = cadImportConfiguration.UseSHXFonts;
if (cadImportConfiguration.UseSHXFonts)
{
DoSHXFonts();
}
else
{
DoTTFFonts();
}
cadImage.GraphicsOutMode = cadImportConfiguration.DrawGraphicsMode;
cadImage.ChangeDrawMode(cadImportConfiguration.DrawGraphicsMode, (Control)this.HostControl);
cadImage.ChangeGraphicsMode(cadImportConfiguration.DrawGraphicsMode, renderMode);
if (cadImage is CADRasterImage)
{
(cadImage as CADRasterImage).Control = (Control)this.HostControl;
}
}
if (this.cadImage != null)
{
CADImage.CodePage = System.Text.Encoding.Default.CodePage;//note - charset was set here
CADImage.LastLoadedFilePath = Path.GetDirectoryName(path);
CreateNewLoadThread(path);
}
}
public void Close()
{
cadImage.Dispose();
cadImage = null;
}