public Vector2 GetPosTan(float distance)
{
if (distance < 0)
{
distance = 0;
}
var length = Length;
if (distance > length)
{
distance = length;
}
return(_geometry.ComputePointOnPath(distance));
}
private void Canvas_Update(ICanvasAnimatedControl sender, CanvasAnimatedUpdateEventArgs args)
{
if (needsToRecreateResources)
{
RecreateGeometry(sender);
needsToRecreateResources = false;
}
if (CurrentContourTracingAnimation != ContourTracingAnimationOption.None)
{
float animationDistanceThisFrame = CurrentContourTracingAnimation == ContourTracingAnimationOption.Slow ? 1.0f : 20.0f;
currentDistanceOnContourPath = (currentDistanceOnContourPath + animationDistanceThisFrame) % totalDistanceOnContourPath;
pointOnContourPath = combinedGeometry.ComputePointOnPath(currentDistanceOnContourPath, out tangentOnContourPath);
}
}
private void Canvas_Update(ICanvasAnimatedControl sender, CanvasAnimatedUpdateEventArgs args)
{
if (needsToRecreateResources)
{
RecreateGeometry(sender);
needsToRecreateResources = false;
}
if (CurrentContourTracingAnimation != ContourTracingAnimationOption.None)
{
float animationDistanceThisFrame = CurrentContourTracingAnimation == ContourTracingAnimationOption.Slow ? 1.0f : 20.0f;
currentDistanceOnContourPath = (currentDistanceOnContourPath + animationDistanceThisFrame) % totalDistanceOnContourPath;
#if WINDOWS_UAP
Vector2 outTangent;
#else
Microsoft.Graphics.Canvas.Numerics.Vector2 outTangent;
#endif
pointOnContourPath = combinedGeometry.ComputePointOnPath(currentDistanceOnContourPath, out outTangent);
tangentOnContourPath = outTangent;
}
}
private void canvas_RegionsInvalidated(CanvasVirtualControl sender, CanvasRegionsInvalidatedEventArgs args)
{
float tLineSWidth = 2;
CanvasStrokeStyle strokeStyle = new CanvasStrokeStyle
{
DashStyle = CanvasDashStyle.Dot,
DashCap = CanvasCapStyle.Round,
StartCap = CanvasCapStyle.Round,
EndCap = CanvasCapStyle.Round,
LineJoin = CanvasLineJoin.Bevel,
};
CanvasStrokeStyle strokeStyle2 = new CanvasStrokeStyle
{
CustomDashStyle = new float[] { 15f, 10f }
};
CanvasTextFormat infoRectTextFormat = new CanvasTextFormat
{
FontSize = 12.0f,
WordWrapping = CanvasWordWrapping.NoWrap
};
Color infoRectBGColor = Colors.Black;
Color infoRectTextColor = Colors.DarkGray;
var dir = CanvasSweepDirection.CounterClockwise;
float cursorSize = 50;
float insideCursorSize = 3;
foreach (var region in args.InvalidatedRegions)
{
using (var drawingSession = sender.CreateDrawingSession(region))
{
#region XYZ Axis
//Y
drawingSession.DrawLine(new Vector2((float)canvas.ActualWidth / 2, 0), new Vector2((float)canvas.ActualWidth / 2, (float)canvas.ActualHeight / 2), Colors.Green, 1);
drawingSession.DrawLine(new Vector2((float)canvas.ActualWidth / 2, (float)canvas.ActualHeight / 2), new Vector2((float)canvas.ActualWidth / 2, ((float)canvas.ActualHeight / 2) - 50), Colors.White, 1);
drawingSession.DrawLine(new Vector2(((float)canvas.ActualWidth / 2), ((float)canvas.ActualHeight / 2) - 70), new Vector2(((float)canvas.ActualWidth / 2) + 7, ((float)canvas.ActualHeight / 2) - 60), Colors.White, 1); // \
drawingSession.DrawLine(new Vector2(((float)canvas.ActualWidth / 2) + 14, ((float)canvas.ActualHeight / 2) - 70), new Vector2(((float)canvas.ActualWidth / 2) + 7, ((float)canvas.ActualHeight / 2) - 60), Colors.White, 1); // /
drawingSession.DrawLine(new Vector2(((float)canvas.ActualWidth / 2) + 7, ((float)canvas.ActualHeight / 2) - 50), new Vector2(((float)canvas.ActualWidth / 2) + 7, ((float)canvas.ActualHeight / 2) - 60), Colors.White, 1); // |
//X
drawingSession.DrawLine(new Vector2((float)canvas.ActualWidth / 2, (float)canvas.ActualHeight / 2), new Vector2((float)canvas.ActualWidth, (float)canvas.ActualHeight / 2), Colors.Red, 1);
drawingSession.DrawLine(new Vector2((float)canvas.ActualWidth / 2, (float)canvas.ActualHeight / 2), new Vector2(((float)canvas.ActualWidth / 2) + 50, (float)canvas.ActualHeight / 2), Colors.White, 1);
drawingSession.DrawLine(new Vector2(((float)canvas.ActualWidth / 2) + 51, (float)canvas.ActualHeight / 2 - 21), new Vector2(((float)canvas.ActualWidth / 2) + 71, (float)canvas.ActualHeight / 2 - 1), Colors.White, 1);
drawingSession.DrawLine(new Vector2(((float)canvas.ActualWidth / 2) + 71, (float)canvas.ActualHeight / 2 - 21), new Vector2(((float)canvas.ActualWidth / 2) + 51, (float)canvas.ActualHeight / 2 - 1), Colors.White, 1);
//Z
//maybeoneday
#endregion
#region CURSOR
if (windowsCursor == false)
{
if (cursorMode == 0)
{
//vertical
drawingSession.DrawLine(new Vector2((float)aCursorPOS.X, (float)aCursorPOS.Y - cursorSize), new Vector2((float)aCursorPOS.X, (float)aCursorPOS.Y - insideCursorSize), Colors.White, 1);
drawingSession.DrawLine(new Vector2((float)aCursorPOS.X, (float)aCursorPOS.Y + insideCursorSize), new Vector2((float)aCursorPOS.X, (float)aCursorPOS.Y + cursorSize), Colors.White, 1);
//horizontal
drawingSession.DrawLine(new Vector2((float)aCursorPOS.X - cursorSize, (float)aCursorPOS.Y), new Vector2((float)aCursorPOS.X - insideCursorSize, (float)aCursorPOS.Y), Colors.White, 1);
drawingSession.DrawLine(new Vector2((float)aCursorPOS.X + insideCursorSize, (float)aCursorPOS.Y), new Vector2((float)aCursorPOS.X + cursorSize, (float)aCursorPOS.Y), Colors.White, 1);
//retangulo
drawingSession.DrawRectangle(new Rect(new Point(aCursorPOS.X - insideCursorSize, aCursorPOS.Y - insideCursorSize), new Point(aCursorPOS.X + insideCursorSize, aCursorPOS.Y + insideCursorSize)), Colors.White, 1);
}
}
else
{
Window.Current.CoreWindow.PointerCursor = new CoreCursor(cursorNormal, 0);
}
#endregion
#region LINE
if (drawingLine == true)
{
// Linha do desenho
Vector2 tLineP1 = new Vector2(tLine.x1, tLine.y1);
Vector2 tLineP2 = new Vector2(tLine.x2, tLine.y2);
drawingSession.DrawLine(tLineP1, tLineP2, Colors.White, 1);
// Linha paralela
float L = (float)(Math.Sqrt((tLineP1.X - tLineP2.X) * (tLineP1.X - tLineP2.X) + (tLineP1.Y - tLineP2.Y) * (tLineP1.Y - tLineP2.Y)));
float offsetPixels = 50;
float radius = Vector2.Distance(tLineP1, tLineP2);
float yAxis = -180;
if (tLine.y2 > tLine.y1)
{
yAxis = 180;
offsetPixels = -50;
dir = CanvasSweepDirection.Clockwise;
}
Vector2 pLineP1 = new Vector2(tLineP1.X + offsetPixels * (tLineP2.Y - tLineP1.Y) / L, tLineP1.Y + offsetPixels * (tLineP1.X - tLineP2.X) / L);
Vector2 pLineP2 = new Vector2(tLineP2.X + offsetPixels * (tLineP2.Y - tLineP1.Y) / L, tLineP2.Y + offsetPixels * (tLineP1.X - tLineP2.X) / L);
drawingSession.DrawLine(pLineP1, pLineP2, Colors.DarkGray, tLineSWidth, strokeStyle); // diagonal
drawingSession.DrawLine(tLineP1, pLineP1, Colors.DarkGray, tLineSWidth, strokeStyle); // ligação 1
drawingSession.DrawLine(tLineP2, pLineP2, Colors.DarkGray, tLineSWidth, strokeStyle); // ligação 2
// linha adjacente
drawingSession.DrawLine(tLineP1.X, tLineP1.Y, tLineP1.X + L, tLineP1.Y, Colors.DarkGray, tLineSWidth, strokeStyle);
// arco
CanvasPathBuilder pathBuilder = new CanvasPathBuilder(sender);
pathBuilder.BeginFigure(new Vector2(tLineP1.X + L, tLineP1.Y));
pathBuilder.AddArc(
tLineP2,
radius,
radius,
0, dir, CanvasArcSize.Small
);
pathBuilder.EndFigure(CanvasFigureLoop.Open);
CanvasGeometry geometry = CanvasGeometry.CreatePath(pathBuilder);
drawingSession.DrawGeometry(geometry, Colors.DarkGray, 2, strokeStyle);
// InfoBox de medição do angulo
double angle = Math.Abs((Math.Atan2((tLineP1.Y) - tLineP2.Y, (tLineP1.X + radius) - tLineP2.X)) * 360 / Math.PI + yAxis);
double arcLenght = (angle * Math.PI * radius) / 180;
Vector2 midPoint = geometry.ComputePointOnPath((float)arcLenght / 2);
CanvasTextLayout textLayout = new CanvasTextLayout(drawingSession, Math.Round(angle).ToString() + "°", infoRectTextFormat, 0.0f, 0.0f);
Rect infoRect = new Rect(midPoint.X - ((float)textLayout.DrawBounds.Width / 2) - 5,
midPoint.Y - ((float)textLayout.DrawBounds.Height / 2) - 5,
textLayout.DrawBounds.Width + 10,
textLayout.DrawBounds.Height + 10
);
drawingSession.FillRectangle(infoRect, infoRectBGColor); // fundo
drawingSession.DrawTextLayout(textLayout,
midPoint.X - ((float)textLayout.DrawBounds.Width / 2),
midPoint.Y - ((float)textLayout.DrawBounds.Height),
infoRectTextColor
);
}
#endregion
#region RECT
if (drawingRect == true)
{
drawingSession.DrawRectangle(new Rect(new Point(tRect.x1, tRect.y1), new Point(tRect.x2, tRect.y2)), Colors.White, 1);
}
#endregion
#region CIRCLE
if (drawingCircle == true)
{
// Linha do desenho
drawingSession.DrawLine(tCircle.cx1, tCircle.cy1, tCircle.rx2, tCircle.ry2, Colors.Orange, 1, strokeStyle2);
// Linha paralela
float L = (float)(Math.Sqrt((tCircle.cx1 - tCircle.rx2) * (tCircle.cx1 - tCircle.rx2) + (tCircle.cy1 - tCircle.ry2) * (tCircle.cy1 - tCircle.ry2)));
float offsetPixels = 50;
float x1p = tCircle.cx1 + offsetPixels * (tCircle.ry2 - tCircle.cy1) / L;
float x2p = tCircle.rx2 + offsetPixels * (tCircle.ry2 - tCircle.cy1) / L;
float y1p = tCircle.cy1 + offsetPixels * (tCircle.cx1 - tCircle.rx2) / L;
float y2p = tCircle.ry2 + offsetPixels * (tCircle.cx1 - tCircle.rx2) / L;
drawingSession.DrawLine(x1p, y1p, x2p, y2p, Colors.DarkGray, tLineSWidth, strokeStyle); // diagonal
drawingSession.DrawLine(tCircle.cx1, tCircle.cy1, x1p, y1p, Colors.DarkGray, tLineSWidth, strokeStyle); // ligação 1
drawingSession.DrawLine(tCircle.rx2, tCircle.ry2, x2p, y2p, Colors.DarkGray, tLineSWidth, strokeStyle); // ligação 2
drawingSession.DrawCircle(tCircle.cx1, tCircle.cy1, Vector2.Distance(new Vector2(tCircle.cx1, tCircle.cy1), new Vector2(tCircle.rx2, tCircle.ry2)), Colors.White, 1);
}
#endregion
#region RULER
if (measuring == true)
{
// Linha do desenho
Vector2 rLineP1 = new Vector2(tRuler.x1, tRuler.y1);
Vector2 rLineP2 = new Vector2(tRuler.x2, tRuler.y2);
drawingSession.DrawLine(rLineP1, rLineP2, Colors.Orange, 1, strokeStyle2);
// Linha paralela
float L = Convert.ToInt16(Math.Sqrt((rLineP1.X - rLineP2.X) * (rLineP1.X - rLineP2.X) + (rLineP1.Y - rLineP2.Y) * (rLineP1.Y - rLineP2.Y)));
float offsetPixels = 50;
Vector2 pLineP1 = new Vector2(rLineP1.X + offsetPixels * (rLineP2.Y - rLineP1.Y) / L, rLineP1.Y + offsetPixels * (rLineP1.X - rLineP2.X) / L);
Vector2 pLineP2 = new Vector2(rLineP2.X + offsetPixels * (rLineP2.Y - rLineP1.Y) / L, rLineP2.Y + offsetPixels * (rLineP1.X - rLineP2.X) / L);
drawingSession.DrawLine(pLineP1, pLineP2, Colors.DarkGray, tLineSWidth, strokeStyle); // diagonal
drawingSession.DrawLine(rLineP1, pLineP1, Colors.DarkGray, tLineSWidth, strokeStyle); // ligação 1
drawingSession.DrawLine(rLineP2, pLineP2, Colors.DarkGray, tLineSWidth, strokeStyle); // ligação 2
// InfoBox de medição do comprimento
float lenght = Vector2.Distance(rLineP1, rLineP2);
Vector2 midPoint = new Vector2(pLineP1.X + (pLineP2.X - pLineP1.X) / 2, pLineP1.Y + (pLineP2.Y - pLineP1.Y) / 2);
CanvasTextLayout textLayout = new CanvasTextLayout(drawingSession, lenght.ToString("0.0000", new CultureInfo("en-US")), infoRectTextFormat, 0.0f, 0.0f);
Rect infoRect = new Rect(midPoint.X - (textLayout.DrawBounds.Width / 2) - 5,
midPoint.Y - (textLayout.DrawBounds.Height / 2) - 5,
textLayout.DrawBounds.Width + 10,
textLayout.DrawBounds.Height + 10
);
drawingSession.FillRectangle(infoRect, infoRectBGColor); // fundo
drawingSession.DrawTextLayout(textLayout,
midPoint.X - ((float)textLayout.DrawBounds.Width / 2),
midPoint.Y - ((float)textLayout.DrawBounds.Height),
infoRectTextColor
);
}
#endregion
#region SNAP
if (isSnapActivated == true && isDrawing == true)
{
foreach (snap s in Snaps)
{
if (s.isVisible == true)
{
int size = 5;
Point centerPOS = new Point(s.rect.X + near, s.rect.Y + near);
if (s.type == 1)
{
drawingSession.DrawRectangle(new Rect(new Point(centerPOS.X - size, centerPOS.Y - size), new Point(centerPOS.X + size, centerPOS.Y + size)), Colors.DeepSkyBlue, 2);
}
else if (s.type == 2)
{
drawingSession.DrawLine(new Vector2((float)centerPOS.X - size, (float)centerPOS.Y + size), new Vector2((float)centerPOS.X + size, (float)centerPOS.Y + size), Colors.DeepSkyBlue, 2); //base
drawingSession.DrawLine(new Vector2((float)centerPOS.X - size, (float)centerPOS.Y + size), new Vector2((float)centerPOS.X, (float)centerPOS.Y - size), Colors.DeepSkyBlue, 2); //lateral esq
drawingSession.DrawLine(new Vector2((float)centerPOS.X + size, (float)centerPOS.Y + size), new Vector2((float)centerPOS.X, (float)centerPOS.Y - size), Colors.DeepSkyBlue, 2); //lateral dir
}
else if (s.type == 3)
{
drawingSession.DrawLine(new Vector2((float)centerPOS.X, (float)centerPOS.Y - size), new Vector2((float)centerPOS.X, (float)centerPOS.Y + size), Colors.Red, 1); // |
drawingSession.DrawLine(new Vector2((float)centerPOS.X - size, (float)centerPOS.Y), new Vector2((float)centerPOS.X + size, (float)centerPOS.Y), Colors.Red, 1); // -
drawingSession.DrawLine(new Vector2((float)centerPOS.X - size, (float)centerPOS.Y - size), new Vector2((float)centerPOS.X + size, (float)centerPOS.Y + size), Colors.Red, 1); // \
drawingSession.DrawLine(new Vector2((float)centerPOS.X + size, (float)centerPOS.Y - size), new Vector2((float)centerPOS.X - size, (float)centerPOS.Y + size), Colors.Red, 1); // /
}
}
}
}
#endregion
foreach (line l in Lines)
{
drawingSession.DrawLine(l.x1, l.y1, l.x2, l.y2, Colors.White, 1);
}
foreach (rect r in Rects)
{
drawingSession.DrawRectangle(new Rect(new Point(r.x1, r.y1), new Point(r.x2, r.y2)), Colors.White, 1);
}
foreach (circle c in Circles)
{
drawingSession.DrawCircle(new Vector2(c.cx1, c.cy1), c.radius, Colors.White, 1);
}
}
}
}
