void DrawContactPoints(CanvasDrawingSession ds)
{
foreach (var entry in currentPointsInContact)
{
ds.DrawCircle(entry.Value.ToVector2(), 20, Colors.Red);
}
}
public override void DrawMe(CanvasDrawingSession session, MG.Vector2 originScreenCoordinates, float pixelsPerMeter)
{
var circlePosition = _body.WorldCenter * pixelsPerMeter + originScreenCoordinates;
var circleRadius = _radius * pixelsPerMeter;
session.DrawCircle(circlePosition.X, circlePosition.Y, circleRadius, Colors.Green);
}
private void led_Draw(Microsoft.Graphics.Canvas.UI.Xaml.CanvasControl sender, Microsoft.Graphics.Canvas.UI.Xaml.CanvasDrawEventArgs args)
{
led.Width = ActualHeight;
led.Height = ActualHeight;
using (CanvasDrawingSession canvas = args.DrawingSession)
{
// Calculate the centre of the led
Vector2 centrePoint = new Vector2();
centrePoint.X = (float)(led.ActualWidth / 2);
centrePoint.Y = (float)(led.ActualHeight / 2);
// Calculate the radius of the LED
float ledRadius = (float)(ActualHeight / 2.0f);
// Draw the LED
if (LedOn)
{
canvas.FillCircle(centrePoint, ledRadius, OnColor);
}
else
{
canvas.FillCircle(centrePoint, ledRadius, OffColor);
}
// Draw the Border of the LED
float borderRadius = (float)(ledRadius - (BorderWidth / 2));
canvas.DrawCircle(centrePoint, borderRadius, BorderColor, (float)BorderWidth);
}
}
public void Draw(CanvasDrawingSession ds, float alpha = 1)
{
// Create a drop shadow by drawing a black circle with an offset position.
const float dropShadowOffset = 4;
ds.FillCircle(Position + new Vector2(dropShadowOffset), Radius, AdjustAlpha(Colors.Black, alpha));
// Draw a white X.
const float crossWidth = 3;
float crossSize = Radius * 0.8f;
Vector2 cross1 = new Vector2(crossSize, crossSize);
Vector2 cross2 = new Vector2(crossSize, -crossSize);
ds.DrawLine(Position - cross1, Position + cross1, AdjustAlpha(Colors.White, alpha), crossWidth);
ds.DrawLine(Position - cross2, Position + cross2, AdjustAlpha(Colors.White, alpha), crossWidth);
// Fill the circle with its unique color.
ds.FillCircle(Position, Radius, AdjustAlpha(color, alpha));
// White border around it.
ds.DrawCircle(Position, Radius, AdjustAlpha(Colors.White, alpha));
// Text label.
ds.DrawText(label, Position, AdjustAlpha(Colors.White, alpha), textFormat);
}
private void DrawClickedRipple(CanvasDrawingSession ds)
{
Easings.ParamTween(ref ImgR_c, ImgR_t, 0.75f, 0.25f);
Easings.ParamTween(ref ImgRi_c, ImgRi_t, 0.75f, 0.25f);
Easings.ParamTween(ref RingR_c, RingR_t, 0.875f, 0.125f);
Easings.ParamTween(ref RingRi_c, RingRi_t, 0.875f, 0.125f);
float RingW = (RingR_c - RingRi_c);
float RingR = RingRi_c + 0.5f * RingW;
float ImgRW_c = (ImgR_c - ImgRi_c);
float ImgRR_c = ImgRi_c + 0.5f * ImgRW_c;
ICanvasBrush RBrush = 0 < RingR ? RingBrush : CoverBrush;
ds.DrawCircle(PCenter, RingR, RBrush, RingW);
ds.DrawCircle(PCenter, ImgRR_c, CoverBrush, ImgRW_c);
}
private void DrawClusters(CanvasDrawingSession drawingSession)
{
foreach (var cluster in _clustersPoints)
{
drawingSession.FillCircle(cluster.Position, 6, cluster.Color);
drawingSession.DrawCircle(cluster.Position.X, cluster.Position.Y, 8, Colors.Black, 4);
}
}
private void RenderCircle(CanvasDrawingSession session)
{
#if DRAW_OUTLINE
session.DrawRectangle(renderBounds.ToRect(), Colors.Orange);
#endif
session.FillCircle(renderCenter, renderRadius, Colors.White);
session.DrawCircle(renderCenter, renderRadius, Colors.DarkGray);
}
public override void Draw(CanvasDrawingSession session)
{
if (false == IsVisible)
{
return;
}
session.DrawCircle(Position.ToVector2(), 2.0f, drawBrush);
}
private void DrawHighlightPoint(CanvasDrawingSession session)
{
if (!_drawHighlightPoint)
{
return;
}
float size = GetPointHighlightSize();
session.DrawCircle((float)Points[_highlightPointIndex].X, (float)Points[_highlightPointIndex].Y, MapController.Instance.PointSize * 2f, Colors.LawnGreen, size);
}
public override void Draw(ICanvasResourceCreator creator, CanvasDrawingSession ds)
{
if (IsFill)
{
ds.FillCircle(CenterPoint, Radius, PenAttribute.GetBrush(creator));
}
else
{
ds.DrawCircle(CenterPoint, Radius, PenAttribute.GetBrush(creator), PenAttribute.StrokeWidth, StrokeStyle);
}
}
public void RenderDots(Vector2[] dots)
{
var counter = 0;
foreach (var dot in dots)
{
session.DrawCircle(dot, 3, Colors.White);
session.DrawText(counter.ToString(), dot, Colors.OrangeRed);
counter++;
}
}
private void DrawCircle(CanvasControl sender, CanvasDrawingSession ds)
{
var width = (float)sender.ActualWidth;
var height = (float)sender.ActualHeight;
var stroke = this.defaultStroke;
var radius = Math.Min(width, height) / 2 - stroke;
var center = new Vector2(width / 2, height / 2);
ds.FillCircle(center, radius, ForegroundColor);
ds.DrawCircle(center, radius, GlowColor, stroke);
}
private void DrawSpline(CanvasControl sender, CanvasDrawingSession ds,
Vector2 startPoint, Vector2 controlPoint1, Vector2 controlPoint2, Vector2 endPoint,
Color color)
{
var strokeThickness = 2f;
// Draw the spline
using (var pathBuilder = new CanvasPathBuilder(sender))
{
pathBuilder.BeginFigure(startPoint);
pathBuilder.AddCubicBezier(controlPoint1, controlPoint2, endPoint);
pathBuilder.EndFigure(CanvasFigureLoop.Open);
var geometry = CanvasGeometry.CreatePath(pathBuilder);
ds.DrawGeometry(geometry, Vector2.Zero, color, strokeThickness);
}
// Draw Control Points
if (_showControlPoints)
{
var strokeStyle = new CanvasStrokeStyle()
{
DashStyle = CanvasDashStyle.Dot
};
ds.DrawLine(startPoint, controlPoint1, color, strokeThickness, strokeStyle);
var rect1 = new Rect(controlPoint1.X - 3, controlPoint1.Y - 3, 6, 6);
ds.FillRectangle(rect1, Colors.Beige);
ds.DrawRectangle(rect1, color, strokeThickness);
ds.DrawLine(endPoint, controlPoint2, color, strokeThickness, strokeStyle);
var rect2 = new Rect(controlPoint2.X - 3, controlPoint2.Y - 3, 6, 6);
ds.FillRectangle(rect2, Colors.Beige);
ds.DrawRectangle(rect2, color, strokeThickness);
}
// Draw EndPoints
ds.DrawCircle(startPoint, 5, color, strokeThickness);
ds.FillCircle(startPoint, 5, Colors.Beige);
ds.DrawCircle(endPoint, 5, color, strokeThickness);
ds.FillCircle(endPoint, 5, Colors.Beige);
}
/// <summary> Override <see cref="PaletteBase.Draw"/>. </summary>
public override void Draw(CanvasControl sender, CanvasDrawingSession ds, HSV hsv, Vector2 Center, float squareHalfWidth, float squareHalfHeight)
{
//Palette
Rect rect = new Rect(Center.X - squareHalfWidth, Center.Y - squareHalfHeight, squareHalfWidth * 2, squareHalfHeight * 2);
ds.FillRoundedRectangle(rect, 4, 4, new CanvasLinearGradientBrush(sender, Windows.UI.Colors.White, HSV.HSVtoRGB(hsv.H))
{
StartPoint = new Vector2(Center.X - squareHalfWidth, Center.Y), EndPoint = new Vector2(Center.X + squareHalfWidth, Center.Y)
});
ds.FillRoundedRectangle(rect, 4, 4, new CanvasLinearGradientBrush(sender, Windows.UI.Colors.Transparent, Windows.UI.Colors.Black)
{
StartPoint = new Vector2(Center.X, Center.Y - squareHalfHeight), EndPoint = new Vector2(Center.X, Center.Y + squareHalfHeight)
});
ds.DrawRoundedRectangle(rect, 4, 4, Windows.UI.Colors.Gray);
//Thumb
float px = ((float)hsv.S - 50) * squareHalfWidth / 50 + Center.X;
float py = (50 - (float)hsv.V) * squareHalfHeight / 50 + Center.Y;
ds.DrawCircle(px, py, 9, Windows.UI.Colors.Black, 5);
ds.DrawCircle(px, py, 9, Windows.UI.Colors.White, 3);
}
public override void Draw(CanvasControl CanvasControl, CanvasDrawingSession ds, HSL HSL, Vector2 Center, float SquareHalfWidth, float SquareHalfHeight)
{
//Palette
Rect rect = new Rect(Center.X - SquareHalfWidth, Center.Y - SquareHalfHeight, SquareHalfWidth * 2, SquareHalfHeight * 2);
ds.FillRoundedRectangle(rect, 4, 4, new CanvasLinearGradientBrush(CanvasControl, Windows.UI.Colors.White, HSL.HSLtoRGB(HSL.H))
{
StartPoint = new Vector2(Center.X - SquareHalfWidth, Center.Y), EndPoint = new Vector2(Center.X + SquareHalfWidth, Center.Y)
});
ds.FillRoundedRectangle(rect, 4, 4, new CanvasLinearGradientBrush(CanvasControl, Windows.UI.Colors.Transparent, Windows.UI.Colors.Black)
{
StartPoint = new Vector2(Center.X, Center.Y - SquareHalfHeight), EndPoint = new Vector2(Center.X, Center.Y + SquareHalfHeight)
});
ds.DrawRoundedRectangle(rect, 4, 4, Windows.UI.Colors.Gray);
//Thumb
float px = ((float)HSL.S - 50) * SquareHalfWidth / 50 + Center.X;
float py = (50 - (float)HSL.L) * SquareHalfHeight / 50 + Center.Y;
ds.DrawCircle(px, py, 8, Windows.UI.Colors.Black, 4);
ds.DrawCircle(px, py, 8, Windows.UI.Colors.White, 2);
}
public void Draw(CanvasDrawingSession ds)
{
var temp = ds.Transform;
ds.Transform = Matrix3x2.CreateRotation(Rotate, Center) * ds.Transform;
ds.DrawCircle(Center, Radius, Colors.LimeGreen, 5, new CanvasStrokeStyle()
{
CustomDashStyle = new[] { 2f, 2f }
});
ds.Transform = temp;
}
private void canvas1_CreateResources(Microsoft.Graphics.Canvas.UI.Xaml.CanvasAnimatedControl sender, Microsoft.Graphics.Canvas.UI.CanvasCreateResourcesEventArgs args)
{
cl = new CanvasCommandList(sender);
using (CanvasDrawingSession clds = cl.CreateDrawingSession())
{
clds.DrawText("Demo", new Vector2((float)Frame.Height / 2, (float)Frame.Width / 2), Colors.Red);
for (int i = 0; i < 100; i++)
{
clds.DrawText("Hello, World!", RndPosition(), Color.FromArgb(255, RndByte(), RndByte(), RndByte()));
clds.DrawCircle(RndPosition(), RndRadius(), Color.FromArgb(255, RndByte(), RndByte(), RndByte()));
}
}
}
protected override void DoDraw(CanvasDrawingSession ds)
{
ds.DrawText(
Activation.ToString("#0.####"),
Location, Colors.Red,
new CanvasTextFormat()
{
HorizontalAlignment = CanvasHorizontalAlignment.Center,
VerticalAlignment = CanvasVerticalAlignment.Center,
FontSize = Radius / 2
});
ds.DrawCircle(Location, Radius, Colors.Black);
}
private void DrawCursor(CanvasRenderTarget target, Dot dot)
{
float offsetX = _currentPaperInfo.OffsetX * _scale * Pixel2DotScaleFactor;
float offsetY = _currentPaperInfo.OffsetY * _scale * Pixel2DotScaleFactor;
using (CanvasDrawingSession drawSession = target.CreateDrawingSession())
{
float x = (dot.X * _scale) - (offsetX);
float y = (dot.Y * _scale) - (offsetY);
drawSession.DrawCircle(x, y, 3, Colors.Red, 1);
}
drawableCanvas.Invalidate();
}
internal override void Draw(CanvasControl cc, CanvasDrawingSession ds, float scale, Vector2 center, FlipState flip)
{
var color = GetColor(Coloring.Normal);
var(cp, r1, r2) = GetCenterRadius(center, scale);
if (FillStroke == Fill_Stroke.Filled)
{
ds.FillCircle(cp, r1, color);
}
else
{
ds.DrawCircle(cp, r1, color, StrokeWidth, StrokeStyle());
}
}
private void DrawCircles(CanvasControl sender, CanvasDrawingSession ds)
{
float width = (float)sender.ActualWidth;
float height = (float)sender.ActualHeight;
float endpointMargin = Math.Min(width, height) / 8;
float controlMarginX = endpointMargin * 4;
float controlMarginY = endpointMargin * 2;
for (int i = 0; i < 25; i++)
{
Vector2[] bez = new Vector2[4];
int n = (i * 24) + 9 - (i / 2);
for (int k = 0; k < 3; k++)
{
int j = 4 - (2 * k);
bez[k].X = (0 + (((n >> (j + 1)) & 1) * (width - controlMarginX)));
bez[k].Y = (0 + (((n >> j) & 1) * (height - controlMarginY)));
}
bez[3].X = width - endpointMargin; // Collect the ends in the lower right
bez[3].Y = height - endpointMargin;
const int nSteps = 80;
const float tStep = 1.0f / nSteps;
float t = 0;
for (int step = 0; step < nSteps; step++)
{
float s = 1 - t;
float ss = s * s;
float sss = ss * s;
float tt = t * t;
float ttt = tt * t;
float x = (sss * bez[0].X) + (3 * ss * t * bez[1].X) + (3 * s * tt * bez[2].X) + (ttt * bez[3].X);
float y = (sss * bez[0].Y) + (3 * ss * t * bez[1].Y) + (3 * s * tt * bez[2].Y) + (ttt * bez[3].Y);
float radius = ttt * endpointMargin;
float strokeWidth = (0.5f - Math.Abs(ss - 0.5f)) * 10;
ds.DrawCircle(x, y, radius, GradientColor(t), strokeWidth);
t += tStep;
}
}
}
private void DrawIdleRipple(CanvasDrawingSession ds)
{
Easings.ParamTween(ref ImgR_c, ImgR_t, 0.80f, 0.20f);
Easings.ParamTween(ref RingR_c, RingR_t, 0.75f, 0.25f);
Easings.ParamTween(ref TextR_c, TextR_t, 0.80f, 0.20f);
// TextBrush Color
TextBrush.Color = Easings.ParamTween(TextBrush.Color, TextBrush_t, 0.80f, 0.20f);
float RingW = (RingR_c - ImgR_c);
float RingR = ImgR_c + 0.5f * RingW;
// +2 to fill in the edge between the image and the ring
ds.DrawCircle(PCenter, RingR, RingBrush, RingW + 2);
TextRenderer.PrepareDraw(ds, TextR_c, TextRotation += TextSpeed);
TextLayout.DrawToTextRenderer(TextRenderer, PCenter);
ds.FillCircle(PCenter, ImgR_c, CoverBrush);
}
//CanvasControl raises Draw whenever your app needs to draw or redraw its content.
private void canvas_Draw(Microsoft.Graphics.Canvas.UI.Xaml.CanvasControl sender, Microsoft.Graphics.Canvas.UI.Xaml.CanvasDrawEventArgs args)
{
CanvasCommandList cl = new CanvasCommandList(sender);
using (CanvasDrawingSession clds = cl.CreateDrawingSession())
{
for (int i = 0; i < 100; i++)
{
clds.DrawText("Hello, World!", RndPosition(), Color.FromArgb(255, RndByte(), RndByte(), RndByte()));
clds.DrawCircle(RndPosition(), RndRadius(), Color.FromArgb(255, RndByte(), RndByte(), RndByte()));
clds.DrawLine(RndPosition(), RndPosition(), Color.FromArgb(255, RndByte(), RndByte(), RndByte()));
}
}
GaussianBlurEffect blur1 = new GaussianBlurEffect();
blur1.Source = cl;
blur1.BlurAmount = 10.0f;
args.DrawingSession.DrawImage(blur1);
}
private void DrawDryInk_LinesMethod(CanvasDrawingSession ds, IReadOnlyList <InkStroke> strokes)
{
//
// This shows off the fact that apps can use the custom drying path
// to render dry ink using Win2D, and not necessarily
// rely on the built-in rendering in CanvasDrawingSession.DrawInk.
//
foreach (var stroke in strokes)
{
var color = stroke.DrawingAttributes.Color;
var inkPoints = stroke.GetInkPoints().Select(point => point.Position.ToVector2()).ToList();
for (int i = 1; i < inkPoints.Count; i++)
{
ds.DrawLine(inkPoints[i - 1], inkPoints[i], color);
ds.DrawCircle(inkPoints[i], 3, color);
}
}
}
private void canvas_CreateResources(CanvasAnimatedControl sender, CanvasCreateResourcesEventArgs args)
{
CanvasCommandList cl = new CanvasCommandList(sender);
using (CanvasDrawingSession clds = cl.CreateDrawingSession())
{
for (int i = 0; i < 100; i++)
{
clds.DrawText("Hello, World!", RndPosition(), Color.FromArgb(255, RndByte(), RndByte(), RndByte()));
clds.DrawCircle(RndPosition(), RndRadius(), Color.FromArgb(255, RndByte(), RndByte(), RndByte()));
clds.DrawLine(RndPosition(), RndPosition(), Color.FromArgb(255, RndByte(), RndByte(), RndByte()));
}
}
blur = new GaussianBlurEffect()
{
Source = cl,
BlurAmount = 10.0f
};
}
public void draw(CanvasDrawingSession ds)
{
// Draw the head
ds.FillCircle(Vector.Create(0.5, 0), 0.33f, drawColor);
// Draw the body
// Draw the body outline
var c = showNumber == DancerNumbers.OFF || gender == Gender.PHANTOM ? fillColor : fillColor.veryBright();
switch (gender)
{
case Gender.BOY:
ds.FillRectangle(-0.5f, -0.5f, 1, 1, c);
ds.DrawRectangle(-0.5f, -0.5f, 1, 1, drawColor, 0.1f);
break;
case Gender.GIRL:
ds.FillCircle(Vector.Create(0, 0), 0.5f, c);
ds.DrawCircle(Vector.Create(0, 0), 0.5f, drawColor, 0.1f);
break;
default: // phantom
ds.FillRoundedRectangle(-0.5f, -0.5f, 1, 1, 0.3f, 0.3f, c);
ds.DrawRoundedRectangle(-0.5f, -0.5f, 1, 1, 0.3f, 0.3f, drawColor, 0.1f);
break;
}
// Draw number if on
if (showNumber != DancerNumbers.OFF)
{
// The dancer is rotated relative to the display, but of course
// the dancer number should not be rotated.
// So the number needs to be transformed back
var angle = Math.Atan2(ds.Transform.M21, ds.Transform.M22);
var txtext = Matrix.CreateScale(1, -1) * Matrix.CreateRotation(-angle + Math.PI); // * Matrix.CreateScale(1, -1);
ds.Transform = txtext * ds.Transform;
var font = new CanvasTextFormat();
font.FontSize = 0.8f;
font.VerticalAlignment = CanvasVerticalAlignment.Center;
font.HorizontalAlignment = CanvasHorizontalAlignment.Center;
ds.DrawText(showNumber == DancerNumbers.COUPLES ? number_couple : number, 0f, 0f, Colors.Black, font);
}
}
private void DrawHex(CanvasDrawingSession drawingSession, Hex hex, Camera camera)
{
if (hex.Passable)
{
drawingSession.DrawLine(hex.Corners[0] - camera.Offset, hex.Corners[1] - camera.Offset, Colors.Black);
drawingSession.DrawLine(hex.Corners[1] - camera.Offset, hex.Corners[2] - camera.Offset, Colors.Black);
drawingSession.DrawLine(hex.Corners[2] - camera.Offset, hex.Corners[3] - camera.Offset, Colors.Black);
drawingSession.DrawLine(hex.Corners[3] - camera.Offset, hex.Corners[4] - camera.Offset, Colors.Black);
drawingSession.DrawLine(hex.Corners[4] - camera.Offset, hex.Corners[5] - camera.Offset, Colors.Black);
drawingSession.DrawLine(hex.Corners[5] - camera.Offset, hex.Corners[0] - camera.Offset, Colors.Black);
var centerPoint = hex.Center - camera.Offset;
var rect = new Rect(centerPoint.ToPoint(), centerPoint.ToPoint());
for (int i = 0; i < 6; i++)
{
rect.Union((hex.Corners[i] - camera.Offset).ToPoint());
}
rect.Y = Math.Floor(rect.Y) - 2.0d;
rect.Height = Math.Ceiling(rect.Height) + 4.0d;
drawingSession.DrawImage(_tileImage, rect);
drawingSession.DrawCircle(centerPoint, 3, hex.IsSelected ? Colors.Blue : Colors.Gold);
CanvasTextFormat format = new CanvasTextFormat {
FontSize = 20.0f, WordWrapping = CanvasWordWrapping.NoWrap
};
CanvasTextLayout textLayout = new CanvasTextLayout(drawingSession, hex.Coordinate.ToString(), format, 0.0f, 0.0f);
drawingSession.DrawTextLayout(textLayout, centerPoint.X - (float)textLayout.DrawBounds.Width / 2.0f, centerPoint.Y, Colors.Black);
if (hex.Pawn != null)
{
drawingSession.FillRectangle(new Rect((centerPoint - new Vector2(25, 25)).ToPoint(), new Size(50, 50)), hex.Pawn.Selected ? Colors.HotPink : Colors.Red);
}
}
else
{
HighlightHex(hex, drawingSession, Colors.DarkGray);
}
}
//CreateResources is an event that is fired only when Win2D determines you need to recreate your visual resources, such as when the page is loaded.
private void canvas_CreateResources(Microsoft.Graphics.Canvas.UI.Xaml.CanvasAnimatedControl sender, Microsoft.Graphics.Canvas.UI.CanvasCreateResourcesEventArgs args)
{
CanvasCommandList cl = new CanvasCommandList(sender);
using (CanvasDrawingSession clds = cl.CreateDrawingSession())
{
for (int i = 0; i < 100; i++)
{
clds.DrawText("Hello, World!", RndPosition(), Color.FromArgb(255, RndByte(), RndByte(), RndByte()));
clds.DrawCircle(RndPosition(), RndRadius(), Color.FromArgb(255, RndByte(), RndByte(), RndByte()));
clds.DrawLine(RndPosition(), RndPosition(), Color.FromArgb(255, RndByte(), RndByte(), RndByte()));
}
}
blur = new GaussianBlurEffect()
{
Source = cl,
BlurAmount = 10.0f
};
System.Diagnostics.Debug.WriteLine("Create" + ">>>" + j++);
}
protected void DrawOuterCircle(CanvasControl sender, CanvasDrawEventArgs args)
{
var ds = args.DrawingSession;
Color edgeColor = this.GaugeColor;
if (IsLowAlarmEnabled && (Value <= LowAlarmValue) && IsOnline)
{
edgeColor = LowAlarmColor;
}
else if (IsLowWarningEnabled && (Value <= LowWarningValue) && IsOnline)
{
edgeColor = LowWarningColor;
}
else if (IsHighAlarmEnabled && (Value >= HighAlarmValue) && IsOnline)
{
edgeColor = HighAlarmColor;
}
else if (IsHighWarningEnabled && (Value >= HighWarningValue) && IsOnline)
{
edgeColor = HighWarningColor;
}
CanvasCommandList cl = new CanvasCommandList(sender);
using (CanvasDrawingSession clds = cl.CreateDrawingSession())
{
clds.DrawCircle(Center, OuterCircleRadius, edgeColor, outerCircleThickness);
}
GaussianBlurEffect blur = new GaussianBlurEffect();
blur.Source = cl;
blur.BlurAmount = 3.0f;
args.DrawingSession.DrawImage(blur);
}
void DrawStuff(CanvasDrawingSession ds)
{
int horizontalLimit = (int)m_canvasControl.ActualWidth;
int verticalLimit = (int)m_canvasControl.ActualHeight;
DrawnContentType drawnContentType = (DrawnContentType)m_drawnContentTypeCombo.SelectedValue;
ds.Clear(NextRandomColor());
Vector2 point;
float radiusX;
float radiusY;
Random random = new Random();
m_canvasSwapChainPanel.Visibility = Windows.UI.Xaml.Visibility.Collapsed;
switch (drawnContentType)
{
case DrawnContentType.Clear_Only:
break;
case DrawnContentType.Bitmap:
if (m_bitmap_tiger != null)
{
ds.DrawImage(m_bitmap_tiger, NextRandomPoint(horizontalLimit, verticalLimit).ToVector2());
}
else
{
DrawNoBitmapErrorMessage(ds, horizontalLimit / 2, verticalLimit / 2);
}
break;
case DrawnContentType.Rectangle_Filled:
Point bound0 = NextRandomPoint(horizontalLimit, verticalLimit);
Point bound1 = NextRandomPoint(horizontalLimit, verticalLimit);
m_linearGradientBrush.StartPoint = bound0.ToVector2();
m_linearGradientBrush.EndPoint = bound1.ToVector2();
ds.FillRectangle(
new Rect(bound0, bound1),
m_linearGradientBrush);
break;
case DrawnContentType.Ellipse_Fill:
NextRandomEllipse(horizontalLimit, verticalLimit, out point, out radiusX, out radiusY);
ds.FillEllipse(
point, radiusX, radiusY,
NextRandomColor());
break;
case DrawnContentType.Circle_Fill:
ds.FillCircle(
NextRandomPoint(horizontalLimit, verticalLimit).ToVector2(),
100,
NextRandomColor());
break;
case DrawnContentType.Text:
var p = NextRandomPoint(horizontalLimit, verticalLimit);
var x = (float)p.X;
var y = (float)p.Y;
var color = NextRandomColor();
ds.DrawLine(new Vector2(x, 0), new Vector2(x, verticalLimit), color);
ds.DrawLine(new Vector2(0, y), new Vector2(horizontalLimit, y), color);
ds.DrawText(
"Centered",
p.ToVector2(),
color,
new CanvasTextFormat()
{
FontSize = 18,
VerticalAlignment = CanvasVerticalAlignment.Center,
ParagraphAlignment = ParagraphAlignment.Center
});
var r = NextRandomRect(horizontalLimit, verticalLimit);
ds.DrawRectangle(r, color);
ds.DrawText(
m_quiteLongText,
r,
NextRandomColor(),
new CanvasTextFormat()
{
FontFamily = "Comic Sans MS",
FontSize = 18,
ParagraphAlignment = ParagraphAlignment.Justify,
Options = CanvasDrawTextOptions.Clip
});
break;
case DrawnContentType.ImageBrush:
if (m_bitmap_tiger != null)
{
m_imageBrush.Image = m_bitmap_tiger;
m_imageBrush.ExtendX = (CanvasEdgeBehavior)(m_random.Next(3));
m_imageBrush.ExtendY = (CanvasEdgeBehavior)(m_random.Next(3));
ds.FillRectangle(new Rect(0, 0, horizontalLimit, verticalLimit), m_imageBrush);
}
else
{
DrawNoBitmapErrorMessage(ds, horizontalLimit / 2, verticalLimit / 2);
}
break;
case DrawnContentType.OffscreenTarget:
m_imageBrush.Image = m_offscreenTarget;
m_imageBrush.ExtendX = (CanvasEdgeBehavior)(m_random.Next(3));
m_imageBrush.ExtendY = (CanvasEdgeBehavior)(m_random.Next(3));
ds.FillRectangle(new Rect(0, 0, horizontalLimit, verticalLimit), m_imageBrush);
break;
case DrawnContentType.Gradients:
Vector2 center = NextRandomPoint(horizontalLimit, verticalLimit).ToVector2();
m_radialGradientBrush.Center = center;
float radius = m_random.Next(horizontalLimit / 2);
m_radialGradientBrush.OriginOffset = new Vector2(radius, radius);
m_radialGradientBrush.RadiusX = radius;
m_radialGradientBrush.RadiusY = radius;
ds.FillCircle(center, radius, m_radialGradientBrush);
Vector2 line0 = NextRandomPoint(horizontalLimit, verticalLimit).ToVector2();
Vector2 line1 = NextRandomPoint(horizontalLimit, verticalLimit).ToVector2();
m_linearGradientBrush.StartPoint = line0;
m_linearGradientBrush.EndPoint = line1;
float thickness = m_random.Next(horizontalLimit / 2);
ds.DrawLine(line0, line1, m_linearGradientBrush, thickness);
break;
case DrawnContentType.AlternateBitmapLoading:
if (m_bitmap_colorGrids != null)
{
Matrix3x2 scale = Matrix3x2.CreateScale(20);
ds.Transform = scale;
ds.DrawImage(m_bitmap_colorGrids[0]);
ds.Transform = scale * Matrix3x2.CreateTranslation(200, 0);
ds.DrawImage(m_bitmap_colorGrids[1]);
ds.Transform = scale * Matrix3x2.CreateTranslation(0, 200);
ds.DrawImage(m_bitmap_colorGrids[2]);
}
else
{
DrawNoBitmapErrorMessage(ds, horizontalLimit / 2, verticalLimit / 2);
}
break;
case DrawnContentType.SwapChainPanel:
m_canvasSwapChainPanel.Visibility = Windows.UI.Xaml.Visibility.Visible;
float swapChainWidth = horizontalLimit * ((float)random.NextDouble() / 2 + 0.5f);
float swapChainHeight = verticalLimit * ((float)random.NextDouble() / 2 + 0.5f);
if (m_swapChain == null)
{
m_swapChain = new CanvasSwapChain(ds, swapChainWidth, swapChainHeight);
m_canvasSwapChainPanel.SwapChain = m_swapChain;
}
else
{
m_swapChain.ResizeBuffers(swapChainWidth, swapChainHeight);
}
using (CanvasDrawingSession panelDS = m_swapChain.CreateDrawingSession(NextRandomColor()))
{
panelDS.DrawCircle(swapChainWidth / 2.0f, swapChainHeight / 2.0f, 100.0f, NextRandomColor(), 20.0f);
}
m_swapChain.Present();
break;
case DrawnContentType.Test_Scene0_Default:
GeometryTestScene0.DrawGeometryTestScene(ds, TestSceneRenderingType.Default);
break;
case DrawnContentType.Test_Scene0_Wireframe:
GeometryTestScene0.DrawGeometryTestScene(ds, TestSceneRenderingType.Wireframe);
break;
case DrawnContentType.Test_Scene1_Default:
GeometryTestScene1.DrawGeometryTestScene(ds, TestSceneRenderingType.Default);
break;
case DrawnContentType.Test_Scene1_Randomized:
GeometryTestScene1.DrawGeometryTestScene(ds, TestSceneRenderingType.Randomized);
break;
case DrawnContentType.Test_Scene1_Wireframe:
GeometryTestScene1.DrawGeometryTestScene(ds, TestSceneRenderingType.Wireframe);
break;
default:
System.Diagnostics.Debug.Assert(false); // Unexpected
break;
}
}
