protected void OnExportWithDirect2DMenuItemClick(NEventArgs args)
{
#if SUPPORT_DIRECT2D && DEBUG
string fileName = "d:\\D2D_output.png";
NSize imgSize = new NSize(this.Width, this.Height);
try
{
Nevron.Windows.DirectX.ND2DGraphicsHelper gh = new Nevron.Windows.DirectX.ND2DGraphicsHelper();
INGraphics2D pdfG = gh.CreateGraphics((int)imgSize.Width, (int)imgSize.Height);
NRegion clip = NRegion.FromRectangle(new NRectangle(0, 0, imgSize.Width, imgSize.Height));
NMatrix canvasTransform = NMatrix.Identity;
NMatrix invertedCT = canvasTransform;
invertedCT.Invert();
NPaintVisitor visitor = new NPaintVisitor(pdfG, 96, invertedCT, clip);
// assign media
// forward traverse the display tree
visitor.BeginPainting();
VisitDisplaySubtree(visitor);
visitor.EndPainting();
gh.SaveToFileAndDispose(fileName);
System.Diagnostics.Process.Start(fileName);
}
catch (Exception x)
{
NMessageBox.Show(null, x.Message, "Exception", ENMessageBoxButtons.OK);
}
#endif
}
private void UpdateOuputPath()
{
NRectangle bounds = new NRectangle();
int count = m_InputPaths.Count;
// compute the ouput path and the bounds
if (count != 0)
{
NRegion result = NRegion.FromPath(m_InputPaths[0], ENFillRule.EvenOdd);
bounds = result.Bounds;
for (int i = 1; i < count; i++)
{
NRegion operand = NRegion.FromPath(m_InputPaths[i], ENFillRule.EvenOdd);
bounds = NRectangle.Union(bounds, operand.Bounds);
switch (m_OperatorCombo.SelectedIndex)
{
case 0: // union
result = result.Union(operand);
break;
case 1: // intersection
result = result.Intersect(operand);
break;
case 2:
result = result.Subtract(operand);
break;
case 3:
result = result.ExclusiveOr(operand);
break;
}
}
m_OutputPath = new NGraphicsPath(result.GetPath());
}
else
{
m_OutputPath = new NGraphicsPath();
}
// normalize the coordinates
for (int i = 0; i < count; i++)
{
NGraphicsPath path = m_InputPaths[i];
//NRectangle pathBounds = path.GetBounds();
path.Translate(-bounds.X, -bounds.Y);
}
m_OutputPath.Translate(-bounds.X, -bounds.Y);
m_Canvas.PreferredSize = new NSize(bounds.Width + 20, bounds.Height + 20);
m_Canvas.InvalidateDisplay();
}
private void OnPrintPage(NPrintDocument sender, NPrintPageEventArgs e)
{
NSize pageSizeDIP = new NSize(this.Width, this.Height);
try
{
NMargins pageMargins = NMargins.Zero;
NRegion clip = NRegion.FromRectangle(new NRectangle(0, 0, e.PrintableArea.Width, e.PrintableArea.Height));
NMatrix transform = new NMatrix(e.PrintableArea.X, e.PrintableArea.Y);
NPaintVisitor visitor = new NPaintVisitor(e.Graphics, 300, transform, clip);
// forward traverse the display tree
this.OwnerWindow.VisitDisplaySubtree(visitor);
e.HasMorePages = false;
}
catch (Exception x)
{
NMessageBox.Show(x.Message, "Exception", ENMessageBoxButtons.OK, ENMessageBoxIcon.Error);
}
}
protected void OnPrintPage(NPrintDocument sender, NPrintPageEventArgs e)
{
NSize pageSizeDIP = new NSize(this.Width, this.Height);
try
{
double clipW = e.PrintableArea.Width;
double clipH = e.PrintableArea.Height;
NRegion clip = NRegion.FromRectangle(new NRectangle(0, 0, clipW, clipH));
NMatrix transform = new NMatrix(e.PrintableArea.X, e.PrintableArea.Y);
NPaintVisitor visitor = new NPaintVisitor(e.Graphics, 300, transform, clip);
// forward traverse the display tree
VisitDisplaySubtree(visitor);
e.HasMorePages = false;
}
catch (Exception ex)
{
NMessageBox.Show(null, ex.Message, "Exception", ENMessageBoxButtons.OK, ENMessageBoxIcon.Error);
}
}
private void OnCanvasPrePaint(NCanvasPaintEventArgs args)
{
NCanvas canvas = args.TargetNode as NCanvas;
if (canvas == null)
{
return;
}
canvas.HorizontalPlacement = ENHorizontalPlacement.Center;
canvas.VerticalPlacement = ENVerticalPlacement.Center;
NPaintVisitor pv = args.PaintVisitor;
pv.ClearStyles();
pv.SetStroke(NColor.MidnightBlue, 1);
pv.SetFill(NColor.LightSteelBlue);
NMatrix m1 = NMatrix.Identity;
m1.Rotate(NAngle.Degree2Rad * m_Angle1);
NMatrix m2 = NMatrix.Identity;
m2.Rotate(NAngle.Degree2Rad * m_Angle2);
m2.Translate(100, 0);
NMatrix m3 = NMatrix.Identity;
m3.Rotate(NAngle.Degree2Rad * m_Angle3);
m3.Translate(100, 0);
NRegion clipRegion = NRegion.FromRectangle(m_ClipRect);
pv.PushClip(clipRegion);
pv.PushTransform(new NMatrix(m_PositionX, 0));
PaintVerticalBar(pv);
pv.PushTransform(new NMatrix(0, m_PositionY));
PaintBase(pv);
pv.PushTransform(m1);
PaintLink(pv, 20);
PaintJoint(pv, 20);
pv.PushSnapToPixels(false);
pv.PushTransform(m2);
PaintLink(pv, 16);
PaintJoint(pv, 16);
pv.PushTransform(m3);
PaintGripper(pv);
PaintJoint(pv, 12);
pv.PopTransform(); // m3
pv.PopTransform(); // m2
pv.PopTransform(); // m1
pv.PopTransform(); // mTY
pv.PopTransform(); // mTX
pv.PopSnapToPixels();
pv.PopClip();
// paint a border around the clip rectangle
pv.ClearFill();
pv.SetStroke(NColor.Red, 1);
pv.PaintRectangle(m_ClipRect);
// paint a border around the canvas
pv.SetStroke(NColor.Black, 1);
pv.PaintRectangle(0, 0, canvas.Width, canvas.Height);
}