void IRenderLoopHost.OnRenderLoop_PrepareRendering(EngineDevice engineDevice)
{
if ((m_targetPanel != null) &&
(m_renderLoop != null) &&
(m_renderLoop.Camera != null) &&
(m_swapChain != null))
{
// Update swap chain scaling (only relevant for SwapChainPanel targets)
// see https://www.packtpub.com/books/content/integrating-direct3d-xaml-and-windows-81
if (m_compositionScaleChanged &&
m_targetPanel.CompositionRescalingNeeded)
{
m_compositionScaleChanged = false;
DXGI.SwapChain2 swapChain2 = m_swapChain.QueryInterfaceOrNull <DXGI.SwapChain2>();
if (swapChain2 != null)
{
try
{
SharpDX.Matrix3x2 inverseScale = new SharpDX.Matrix3x2();
inverseScale.M11 = 1.0f / (float)m_targetPanel.CompositionScaleX;
inverseScale.M22 = 1.0f / (float)m_targetPanel.CompositionScaleY;
swapChain2.MatrixTransform = inverseScale;
}
finally
{
swapChain2.Dispose();
}
}
}
}
}
public void Begin(Microsoft.Xna.Framework.Matrix transform)
{
var mt3x2 = new SharpDX.Matrix3x2(transform.M11, transform.M12,
transform.M21, transform.M22,
transform.M41, transform.M42);
this.Begin(mt3x2);
}
public static Matrix FromSharpDX(this Matrix3x2 matrix)
{
return(new Matrix(
(float)matrix.M11,
(float)matrix.M12,
(float)matrix.M21,
(float)matrix.M22,
(float)matrix.M31,
(float)matrix.M32));
}
private void Begin(SharpDX.Matrix3x2 transform)
{
this.context = D2DFactory.Instance.GetContext(this.GraphicsDevice);
if (this.context == null)
{
throw new Exception("Create D2D context failed.");
}
this.context.D2DRenderTarget.Transform = transform;
this.context.D2DRenderTarget.BeginDraw();
this.IsBeginEndPair = true;
}
public static System.Drawing.Drawing2D.Matrix ConvertMatrix3x2ToMatrix(ref SharpDX.Matrix3x2 m)
{
return(new System.Drawing.Drawing2D.Matrix(m.M11, m.M12, m.M21, m.M22, m.M31, m.M32));
}
public override void OnRender(ChartControl chartControl, ChartScale chartScale)
{
if (firstTime && DrawingState == DrawingState.Normal)
{
firstTime = false;
Cbi.License.Log("Path");
}
RenderTarget.AntialiasMode = SharpDX.Direct2D1.AntialiasMode.PerPrimitive;
Stroke outlineStroke = OutlineStroke;
outlineStroke.RenderTarget = RenderTarget;
ChartPanel chartPanel = chartControl.ChartPanels[PanelIndex];
double strokePixAdjust = outlineStroke.Width % 2 == 0 ? 0.5d : 0d;
Vector pixelAdjustVec = new Vector(strokePixAdjust, strokePixAdjust);
SharpDX.Direct2D1.PathGeometry polyGeo = CreatePathGeometry(chartControl, chartPanel, chartScale, strokePixAdjust);
SharpDX.Direct2D1.Brush tmpBrush = IsInHitTest ? chartControl.SelectionBrush : outlineStroke.BrushDX;
RenderTarget.DrawGeometry(polyGeo, tmpBrush, outlineStroke.Width, outlineStroke.StrokeStyle);
polyGeo.Dispose();
if (PathBegin == PathToolCapMode.Arrow || PathEnd == PathToolCapMode.Arrow)
{
Point[] points = GetPathAnchorPoints(chartControl, chartScale);
if (points.Length > 1)
{
if (arrowPathGeometry == null)
{
arrowPathGeometry = new SharpDX.Direct2D1.PathGeometry(Core.Globals.D2DFactory);
SharpDX.Direct2D1.GeometrySink geometrySink = arrowPathGeometry.Open();
float arrowWidth = 6f;
SharpDX.Vector2 top = new SharpDX.Vector2(0, outlineStroke.Width * 0.5f);
geometrySink.BeginFigure(top, SharpDX.Direct2D1.FigureBegin.Filled);
geometrySink.AddLine(new SharpDX.Vector2(arrowWidth, -arrowWidth));
geometrySink.AddLine(new SharpDX.Vector2(-arrowWidth, -arrowWidth));
geometrySink.AddLine(top); // cap off figure
geometrySink.EndFigure(SharpDX.Direct2D1.FigureEnd.Closed);
geometrySink.Close();
}
if (PathBegin == PathToolCapMode.Arrow)
{
Vector lineVector = points[0] - points[1];
lineVector.Normalize();
Point pointAdjusted = points[0] + pixelAdjustVec;
SharpDX.Vector2 pointVec = pointAdjusted.ToVector2();
float vectorAngle = -(float)Math.Atan2(lineVector.X, lineVector.Y);
Vector adjustVector = lineVector * 5;
SharpDX.Vector2 arrowPointVec = new SharpDX.Vector2((float)(pointVec.X + adjustVector.X), (float)(pointVec.Y + adjustVector.Y));
SharpDX.Matrix3x2 transformMatrix2 = SharpDX.Matrix3x2.Rotation(vectorAngle, SharpDX.Vector2.Zero) * SharpDX.Matrix3x2.Scaling((float)Math.Max(1.0f, outlineStroke.Width * .45) + 0.25f) * SharpDX.Matrix3x2.Translation(arrowPointVec);
RenderTarget.Transform = transformMatrix2;
RenderTarget.FillGeometry(arrowPathGeometry, tmpBrush);
RenderTarget.Transform = SharpDX.Matrix3x2.Identity;
}
if (PathEnd == PathToolCapMode.Arrow)
{
Vector lineVector = points[points.Length - 1] - points[points.Length - 2];
lineVector.Normalize();
Point pointAdjusted = points[points.Length - 1] + pixelAdjustVec;
SharpDX.Vector2 pointVec = pointAdjusted.ToVector2();
float vectorAngle = -(float)Math.Atan2(lineVector.X, lineVector.Y);
Vector adjustVector = lineVector * 5;
SharpDX.Vector2 arrowPointVec = new SharpDX.Vector2((float)(pointVec.X + adjustVector.X), (float)(pointVec.Y + adjustVector.Y));
SharpDX.Matrix3x2 transformMatrix2 = SharpDX.Matrix3x2.Rotation(vectorAngle, SharpDX.Vector2.Zero) * SharpDX.Matrix3x2.Scaling((float)Math.Max(1.0f, outlineStroke.Width * .45) + 0.25f) * SharpDX.Matrix3x2.Translation(arrowPointVec);
RenderTarget.Transform = transformMatrix2;
RenderTarget.FillGeometry(arrowPathGeometry, tmpBrush);
RenderTarget.Transform = SharpDX.Matrix3x2.Identity;
}
}
}
if (ShowCount)
{
SimpleFont wpfFont = chartControl.Properties.LabelFont ?? new SimpleFont();
SharpDX.DirectWrite.TextFormat textFormat = wpfFont.ToDirectWriteTextFormat();
textFormat.TextAlignment = SharpDX.DirectWrite.TextAlignment.Leading;
textFormat.WordWrapping = SharpDX.DirectWrite.WordWrapping.NoWrap;
for (int i = 1; i < ChartAnchors.Count; i++)
{
Point p = ChartAnchors[i - 1].GetPoint(chartControl, chartPanel, chartScale);
Point p1 = ChartAnchors[i].GetPoint(chartControl, chartPanel, chartScale);
if (i + 1 < ChartAnchors.Count)
{
Point p2 = ChartAnchors[i + 1].GetPoint(chartControl, chartPanel, chartScale);
Vector v1 = p - p1;
v1.Normalize();
Vector v2 = p2 - p1;
v2.Normalize();
Vector vector = v1 + v2;
vector.Normalize();
SharpDX.DirectWrite.TextLayout textLayout = new SharpDX.DirectWrite.TextLayout(Core.Globals.DirectWriteFactory, i.ToString(), textFormat, 250, textFormat.FontSize);
Point textPoint = p1 - vector * textFormat.FontSize;
textPoint.X -= textLayout.Metrics.Width / 2f;
textPoint.Y -= textLayout.Metrics.Height / 2f;
RenderTarget.DrawTextLayout((textPoint + pixelAdjustVec).ToVector2(), textLayout, outlineStroke.BrushDX, SharpDX.Direct2D1.DrawTextOptions.NoSnap);
textLayout.Dispose();
}
else
{
SharpDX.DirectWrite.TextLayout textLayout = new SharpDX.DirectWrite.TextLayout(Core.Globals.DirectWriteFactory, i.ToString(), textFormat, 250, textFormat.FontSize);
Vector vector = (p - p1);
vector.Normalize();
Point textPoint = p1 - vector * textFormat.FontSize;
textPoint.X -= textLayout.Metrics.Width / 2f;
textPoint.Y -= textLayout.Metrics.Height / 2f;
RenderTarget.DrawTextLayout((textPoint + pixelAdjustVec).ToVector2(), textLayout, outlineStroke.BrushDX, SharpDX.Direct2D1.DrawTextOptions.NoSnap);
textLayout.Dispose();
}
}
textFormat.Dispose();
}
}
public override void OnRender(ChartControl chartControl, ChartScale chartScale)
{
RenderTarget.AntialiasMode = SharpDX.Direct2D1.AntialiasMode.PerPrimitive;
ChartPanel panel = chartControl.ChartPanels[PanelIndex];
Point anchorPoint = Anchor.GetPoint(chartControl, panel, chartScale);
Point lastEndPoint = new Point(0, 0);
SharpDX.Direct2D1.Brush lastBrush = null;
foreach (GannAngle gannAngle in GannAngles.Where(ga => ga.IsVisible && ga.Stroke != null).OrderBy(ga => (ga.RatioX / ga.RatioY)))
{
gannAngle.Stroke.RenderTarget = RenderTarget;
double dx = gannAngle.RatioX * chartControl.Properties.BarDistance;
double dVal = gannAngle.RatioY * PointsPerBar; //NT7, just multiple directly this is price not pixels //chartScale.GetPixelsForDistance(gannAngle.RatioY * PointsPerBar);
Vector gannDataVector = GetGannStepDataVector(dx, dVal);
Point extendedEndPoint = CalculateExtendedDataPoint(panel, chartScale, Convert.ToInt32(anchorPoint.X), Anchor.Price, gannDataVector);
// align to full pixel to avoid unneeded aliasing
double strokePixAdj = ((double)(gannAngle.Stroke.Width % 2)).ApproxCompare(0) == 0 ? 0.5d : 0d;
Vector pixelAdjustVec = new Vector(0, strokePixAdj);
SharpDX.Direct2D1.Brush tmpBrush = IsInHitTest ? chartControl.SelectionBrush : gannAngle.Stroke.BrushDX;
RenderTarget.DrawLine((anchorPoint + pixelAdjustVec).ToVector2(), (extendedEndPoint + pixelAdjustVec).ToVector2(), tmpBrush, gannAngle.Stroke.Width, gannAngle.Stroke.StrokeStyle);
if (lastBrush != null)
{
float oldOpacity = lastBrush.Opacity;
lastBrush.Opacity = PriceLevelOpacity / 100f;
// create geometry
SharpDX.Direct2D1.PathGeometry lineGeometry = new SharpDX.Direct2D1.PathGeometry(Core.Globals.D2DFactory);
SharpDX.Direct2D1.GeometrySink sink = lineGeometry.Open();
sink.BeginFigure(lastEndPoint.ToVector2(), SharpDX.Direct2D1.FigureBegin.Filled);
// Does the fill color need to fill a corner? Check and add a point
if (Math.Abs(lastEndPoint.Y - extendedEndPoint.Y) > 0.1 && Math.Abs(lastEndPoint.X - extendedEndPoint.X) > 0.1)
{
double boundaryX;
double boundaryY;
if (lastEndPoint.Y <= ChartPanel.Y || lastEndPoint.Y >= ChartPanel.Y + ChartPanel.H)
{
if (FanDirection == GannFanDirection.UpLeft || FanDirection == GannFanDirection.UpRight)
{
boundaryY = extendedEndPoint.Y;
boundaryX = lastEndPoint.X;
}
else
{
boundaryY = lastEndPoint.Y;
boundaryX = extendedEndPoint.X;
}
}
else
{
if (FanDirection == GannFanDirection.UpLeft || FanDirection == GannFanDirection.UpRight)
{
boundaryY = lastEndPoint.Y;
boundaryX = extendedEndPoint.X;
}
else
{
boundaryY = extendedEndPoint.Y;
boundaryX = lastEndPoint.X;
}
}
sink.AddLine(new SharpDX.Vector2((float)boundaryX, (float)boundaryY));
}
sink.AddLine(extendedEndPoint.ToVector2());
sink.AddLine((anchorPoint + pixelAdjustVec).ToVector2());
sink.AddLine((lastEndPoint).ToVector2());
sink.EndFigure(SharpDX.Direct2D1.FigureEnd.Closed);
sink.Close();
RenderTarget.FillGeometry(lineGeometry, lastBrush);
lineGeometry.Dispose();
lastBrush.Opacity = oldOpacity;
}
lastEndPoint = extendedEndPoint + pixelAdjustVec;
lastBrush = tmpBrush;
}
if (!IsTextDisplayed || IsInHitTest)
{
return;
}
foreach (GannAngle gannAngle in GannAngles.Where(ga => ga.IsVisible && ga.Stroke != null).OrderBy(ga => (ga.RatioX / ga.RatioY)))
{
gannAngle.Stroke.RenderTarget = RenderTarget;
double dx = gannAngle.RatioX * chartControl.Properties.BarDistance;
double dVal = gannAngle.RatioY * PointsPerBar; //NT7, just multiple directly this is price not pixels //chartScale.GetPixelsForDistance(gannAngle.RatioY * PointsPerBar);
Vector gannDataVector = GetGannStepDataVector(dx, dVal);
Point extendedEndPoint = CalculateExtendedDataPoint(panel, chartScale, Convert.ToInt32(anchorPoint.X), Anchor.Price, gannDataVector);
if (!IsTextDisplayed || IsInHitTest)
{
continue;
}
SimpleFont wpfFont = chartControl.Properties.LabelFont ?? new SimpleFont();
SharpDX.DirectWrite.TextFormat textFormat = wpfFont.ToDirectWriteTextFormat();
textFormat.TextAlignment = SharpDX.DirectWrite.TextAlignment.Leading;
textFormat.WordWrapping = SharpDX.DirectWrite.WordWrapping.NoWrap;
SharpDX.DirectWrite.TextLayout textLayout = new SharpDX.DirectWrite.TextLayout(Core.Globals.DirectWriteFactory, gannAngle.Name, textFormat, 100, textFormat.FontSize);
// once text is laid out, update used width to calcuated space required
float fontHeight = textLayout.Metrics.Height;
Point textEndPoint = new Point(extendedEndPoint.X, extendedEndPoint.Y);
if (textEndPoint.X > panel.X + panel.W - textLayout.Metrics.Width)
{
textEndPoint.X = panel.X + panel.W - textLayout.Metrics.Width;
textEndPoint.Y += textLayout.Metrics.Width;
}
if (gannDataVector.Y > 0)
{
if (textEndPoint.Y < panel.Y + (fontHeight * 0.5))
{
textEndPoint.Y = panel.Y + (fontHeight * 0.5);
}
}
else
{
if (textEndPoint.Y > panel.Y + panel.H - (fontHeight * 1.5))
{
textEndPoint.Y = panel.Y + panel.H - (fontHeight * 1.5);
}
}
float?marginResource = Application.Current.FindResource("FontModalTitleMargin") as float?;
float margin = 2f + (marginResource.HasValue ? marginResource.Value : 3f);
// Allow for changes in X position based on whether text is aligned to left or right edge of screen
float marginX = FanDirection == GannFanDirection.DownLeft || FanDirection == GannFanDirection.UpLeft ? margin : -2 * margin;
SharpDX.Vector2 endVec = new SharpDX.Vector2((float)textEndPoint.X, (float)textEndPoint.Y);
SharpDX.Matrix3x2 transformMatrix = SharpDX.Matrix3x2.Translation(endVec);
RenderTarget.Transform = transformMatrix;
RenderTarget.DrawTextLayout(new SharpDX.Vector2(marginX + margin, margin), textLayout, gannAngle.Stroke.BrushDX, SharpDX.Direct2D1.DrawTextOptions.NoSnap);
RenderTarget.Transform = SharpDX.Matrix3x2.Identity;
textFormat.Dispose();
textLayout.Dispose();
}
}
protected override void SetTransform(Matrix matrix)
{
_transformMatrix = new SharpDX.Matrix3x2(matrix.Elements);
_renderTarget.Transform = _transformMatrix * _pageUnitMatrix;
}
