public Stream WriteToStream(Drawing drawing)
{
var ms = new MemoryStream();
var fileSettings = FileHandler.GetFileSettingsFromDrawing(drawing);
Assert.True(FileHandler.WriteDrawing("filename", ms, drawing, ViewPort.CreateDefaultViewPort(), fileSettings));
ms.Seek(0, SeekOrigin.Begin);
return(ms);
}
public async Task <bool> Execute(IWorkspace workspace, object arg)
{
var unsaved = await workspace.PromptForUnsavedChanges();
if (unsaved == UnsavedChangesResult.Cancel)
{
return(false);
}
workspace.Update(drawing: new Drawing(), activeViewPort: ViewPort.CreateDefaultViewPort(), isDirty: false);
workspace.UndoRedoService.ClearHistory();
return(true);
}
public async void VerifyNonDefaultVersionIsPreservedInWriteTest()
{
using (var ms1 = new MemoryStream())
{
var drawing = new Drawing();
// write file as R13
using (new DxfFileSettingsProvider(new DxfFileSettings()
{
FileVersion = DxfFileVersion.R13
}))
{
Assert.True(await Workspace.ReaderWriterService.TryWriteDrawing("filename.dxf", drawing, ViewPort.CreateDefaultViewPort(), ms1, preserveSettings: false));
}
// verify that it was written as such
ms1.Seek(0, SeekOrigin.Begin);
var file = DxfFile.Load(ms1);
Assert.Equal(DxfAcadVersion.R13, file.Header.Version);
using (var ms2 = new MemoryStream())
{
// write it again
Assert.True(await Workspace.ReaderWriterService.TryWriteDrawing("filename.dxf", drawing, ViewPort.CreateDefaultViewPort(), ms2, preserveSettings: true));
// verify again that it was written correctly without specifying drawing settings
ms2.Seek(0, SeekOrigin.Begin);
file = DxfFile.Load(ms2);
Assert.Equal(DxfAcadVersion.R13, file.Header.Version);
}
}
}
public async void VerifyDefaultDxfVersionInWriteTest()
{
using (var ms = new MemoryStream())
{
var drawing = new Drawing();
// write file with defaults
Assert.True(await Workspace.ReaderWriterService.TryWriteDrawing("filename.dxf", drawing, ViewPort.CreateDefaultViewPort(), ms, preserveSettings: false));
// verify that the written default is correct
ms.Seek(0, SeekOrigin.Begin);
var file = DxfFile.Load(ms);
Assert.Equal(DxfAcadVersion.R12, file.Header.Version);
}
}
