public virtual void Render(TargetBase target)
{
if (!Show)
return;
var context2D = target.DeviceManager.ContextDirect2D;
context2D.BeginDraw();
if (EnableClear)
context2D.Clear(Colors.Black);
var sizeX = (float)target.RenderTargetBounds.Width;
var sizeY = (float)target.RenderTargetBounds.Height;
var globalScaling = Matrix.Scaling(Math.Min(sizeX, sizeY));
var centerX = (float)(target.RenderTargetBounds.X + sizeX / 2.0f);
var centerY = (float)(target.RenderTargetBounds.Y + sizeY / 2.0f);
if (textFormat == null)
{
// Initialize a TextFormat
textFormat = new TextFormat(target.DeviceManager.FactoryDirectWrite, "Calibri", 96 * sizeX / 1920) { TextAlignment = TextAlignment.Center, ParagraphAlignment = ParagraphAlignment.Center };
}
if (pathGeometry1 == null)
{
var sizeShape = sizeX / 4.0f;
// Creates a random geometry inside a circle
pathGeometry1 = new PathGeometry1(target.DeviceManager.FactoryDirect2D);
var pathSink = pathGeometry1.Open();
var startingPoint = new DrawingPointF(sizeShape * 0.5f, 0.0f);
pathSink.BeginFigure(startingPoint, FigureBegin.Hollow);
for (int i = 0; i < 128; i++)
{
float angle = (float)i / 128.0f * (float)Math.PI * 2.0f;
float R = (float)(Math.Cos(angle) * 0.1f + 0.4f);
R *= sizeShape;
DrawingPointF point1 = new DrawingPointF(R * (float)Math.Cos(angle), R * (float)Math.Sin(angle));
if ((i & 1) > 0)
{
R = (float)(Math.Sin(angle * 6.0f) * 0.1f + 0.9f);
R *= sizeShape;
point1 = new DrawingPointF(R * (float)Math.Cos(angle + Math.PI / 12), R * (float)Math.Sin(angle + Math.PI / 12));
}
pathSink.AddLine(point1);
}
pathSink.EndFigure(FigureEnd.Open);
pathSink.Close();
}
context2D.TextAntialiasMode = TextAntialiasMode.Grayscale;
float t = clock.ElapsedMilliseconds / 1000.0f;
context2D.Transform = Matrix.RotationZ((float)(Math.Cos(t * 2.0f * Math.PI * 0.5f))) * Matrix.Translation(centerX, centerY, 0);
context2D.DrawText("SharpDX\nDirect2D1\nDirectWrite", textFormat, new RectangleF(-sizeX / 2.0f, -sizeY / 2.0f, +sizeX/2.0f, sizeY/2.0f), sceneColorBrush);
float scaling = (float)(Math.Cos(t * 2.0 * Math.PI * 0.25) * 0.5f + 0.5f) * 0.5f + 0.5f;
context2D.Transform = Matrix.Scaling(scaling) * Matrix.RotationZ(t * 1.5f) * Matrix.Translation(centerX, centerY, 0);
context2D.DrawGeometry(pathGeometry1, sceneColorBrush, 2.0f);
context2D.EndDraw();
}
protected override void OnRender(RenderContext2D context)
{
if (_isGeometryChanged)
{
RemoveAndDispose(ref _geometry);
RemoveAndDispose(ref _stroke);
RemoveAndDispose(ref _fill);
Vector2 geometrySize = new Vector2();
if (DoubleUtil.IsVerySmall((NormalizeAngle(EndAngle) - NormalizeAngle(StartAngle)) % 360))
{
var logicalBounds = ComputeLogicalBounds(LayoutBound);
Vector2[] array = new Vector2[2];
Size2F size = new Size2F(logicalBounds.Width / 2.0f, logicalBounds.Height / 2.0f);
Vector2 point = logicalBounds.Center;
if (size.Width > size.Height)
{
array[0] = new Vector2(logicalBounds.Left, point.Y);
array[1] = new Vector2(logicalBounds.Right, point.Y);
}
else
{
array[0] = new Vector2(point.X, logicalBounds.Top);
array[1] = new Vector2(point.X, logicalBounds.Bottom);
}
var leftArcSegment = new ArcSegment(array[1], size, 0, D2D.SweepDirection.Clockwise, D2D.ArcSize.Small);
var rightArcSegment = new ArcSegment(array[0], size, 0, D2D.SweepDirection.Clockwise, D2D.ArcSize.Small);
var figure = new Figure(array[0], false, true);
figure.AddSegment(leftArcSegment);
figure.AddSegment(rightArcSegment);
geometrySize = new Vector2(LayoutBound.Width, LayoutBound.Height);
_geometry = Collect(new D2D.PathGeometry1(context.DeviceResources.Factory2D));
using (var sink = _geometry.Open())
{
figure.Create(sink);
sink.Close();
}
}
else
{
var radius = GetRadius();
var size2F = new Size2F(radius, radius);
var startPoint = GetArcPoint(StartAngle, radius);
var endPoint = GetArcPoint(EndAngle, radius);
var arcSize = D2D.ArcSize.Small;
if ((EndAngle - StartAngle) > 180d)
{
arcSize = D2D.ArcSize.Large;
}
var arcSegment = new ArcSegment(endPoint, size2F, 0, D2D.SweepDirection.Clockwise, arcSize);
var figure = new Figure(startPoint, false, false);
figure.AddSegment(arcSegment);
geometrySize = new Vector2(endPoint.X - startPoint.X, endPoint.Y - startPoint.Y);
_geometry = Collect(new D2D.PathGeometry1(context.DeviceResources.Factory2D));
using (var sink = _geometry.Open())
{
figure.Create(sink);
sink.Close();
}
}
_stroke = Collect(Stroke.ToD2DBrush(geometrySize, context.DeviceContext));
_fill = Collect(Fill.ToD2DBrush(geometrySize, context.DeviceContext));
_isGeometryChanged = false;
}
if (StrokeBrush != null && StrokeWidth > 0 && StrokeStyle != null)
{
context.DeviceContext.DrawGeometry(_geometry, _stroke, StrokeWidth, StrokeStyle);
}
if (FillBrush != null)
{
context.DeviceContext.FillGeometry(_geometry, _fill);
}
}
public virtual void Render(TargetBase target)
{
if (testMode == true)
{
}
else
{
#region 原始範例
if (!Show)
return;
var context2D = target.DeviceManager.ContextDirect2D;
context2D.BeginDraw();
//if (totalDrawing == 0)
//{
// totalDrawing++;
// Debug.WriteLine("Start");
//}
//else if ((totalDrawing % 2) == 0)
//{
// context2D.DrawGeometry(pathGeometry1, sceneColorBrush, 10.0f);
// context2D.EndDraw();
// context2D.BeginDraw();
// totalDrawing = 2;
// Debug.WriteLine("單數");
//}
//else
//{
// //context2D.EndDraw();
// //context2D.BeginDraw();
// totalDrawing++;
// Debug.WriteLine("偶數");
//}
if (EnableClear)
{
context2D.Clear(SharpDX.Color.Transparent);
}
#region 原來的範例 繪製文字與線條
Debug.WriteLine("Switch Flash {0}", switchFlash);
//if ((switchFlash % 3) == 0)
if (true)
{
switchFlash++;
var sizeX = (float)target.RenderTargetBounds.Width;
var sizeY = (float)target.RenderTargetBounds.Height;
sizeX = 768;
sizeY = 1024;
var globalScaling = Matrix.Scaling(Math.Min(sizeX, sizeY));
var centerX = (float)(target.RenderTargetBounds.X + sizeX / 2.0f);
var centerY = (float)(target.RenderTargetBounds.Y + sizeY / 2.0f);
if (textFormat == null)
{
// Initialize a TextFormat
textFormat = new TextFormat(target.DeviceManager.FactoryDirectWrite, "Calibri", 96 * sizeX / 1920) { TextAlignment = TextAlignment.Center, ParagraphAlignment = ParagraphAlignment.Center };
}
if (pathGeometry1 == null)
{
var sizeShape = sizeX / 4.0f;
// Creates a random geometry inside a circle
pathGeometry1 = new PathGeometry1(target.DeviceManager.FactoryDirect2D);
var pathSink = pathGeometry1.Open();
var startingPoint = new Vector2(sizeShape * 0.5f, 0.0f);
pathSink.BeginFigure(startingPoint, FigureBegin.Hollow);
for (int i = 0; i < 6; i++)
{
float angle = (float)i / 128.0f * (float)Math.PI * 2.0f;
float R = (float)(Math.Cos(angle) * 0.1f + 0.4f);
R *= sizeShape;
Vector2 point1 = new Vector2(R * (float)Math.Cos(angle), R * (float)Math.Sin(angle));
if ((i & 1) > 0)
{
R = (float)(Math.Sin(angle * 6.0f) * 0.1f + 0.9f);
R *= sizeShape;
point1 = new Vector2(R * (float)Math.Cos(angle + Math.PI / 12), R * (float)Math.Sin(angle + Math.PI / 12));
}
pathSink.AddLine(point1);
}
pathSink.EndFigure(FigureEnd.Open);
pathSink.Close();
}
//context2D.TextAntialiasMode = SharpDX.Direct2D1.TextAntialiasMode.Grayscale;
//float t = clock.ElapsedMilliseconds / 1000.0f;
//xx += 50;
//t = xx / 1000.0f;
//context2D.Transform = Matrix.RotationZ((float)(Math.Cos(t * 2.0f * Math.PI * 0.5f))) * Matrix.Translation(centerX, centerY, 0);
//context2D.DrawText("可愛\nDirect2D1\nDirectWrite", textFormat, new RectangleF(-sizeX / 2.0f, -sizeY / 2.0f, +sizeX / 2.0f, sizeY / 2.0f), sceneColorBrush);
//float scaling = (float)(Math.Cos(t * 2.0 * Math.PI * 0.25) * 0.5f + 0.5f) * 0.5f + 0.5f;
//context2D.Transform = Matrix.Scaling(scaling) * Matrix.RotationZ(t * 1.5f) * Matrix.Translation(centerX, centerY, 0);
context2D.DrawGeometry(pathGeometry1, sceneColorBrush, 10.0f);
Random randomGenerator = new Random((int)DateTime.Now.Ticks);
int mm = randomGenerator.Next(1500, 2000);
for (int ii = 0; ii < mm; ii++)
{
int p1x = randomGenerator.Next(10, 760);
int p1y = randomGenerator.Next(10, 1000);
int p2x = randomGenerator.Next(10, 760);
int p2y = randomGenerator.Next(10, 1000);
context2D.DrawLine(new Vector2(p1x, p1y), new Vector2(p2x, p2y), sceneColorBrush1, 1);
//context2D.DrawLine(new Vector2(10, ii), new Vector2(1010, ii), sceneColorBrush1, 1);
}
context2D.PrimitiveBlend = PrimitiveBlend.Copy;
for (int ii = 0; ii < 50; ii++)
{
int p1x = randomGenerator.Next(10, 760);
int p1y = randomGenerator.Next(10, 1000);
int p2x = randomGenerator.Next(10, 760);
int p2y = randomGenerator.Next(10, 1000);
context2D.DrawLine(new Vector2(p1x, p1y), new Vector2(p2x, p2y), sceneColorBrush3, 10);
}
}
else
{
switchFlash++;
}
#endregion
context2D.Flush();
context2D.EndDraw();
#endregion
}
}