public static PointF TransformPoint(this Matrix m, PointF pt) { var p = new[] { pt }; m.TransformPoints(p); return(p[0]); }
/// <summary> /// Transforms cavas area to untransformed graphics canvas /// </summary> /// <param name="area"></param> /// <param name="matrix"></param> /// <returns></returns> protected static Rectangle ToGraphicsCanvas(RectangleF area, System.Drawing.Drawing2D.Matrix matrix) { if (!matrix.IsIdentity) { var pts = area.ToPointArray(); matrix.TransformPoints(pts); // Enclosing rectangle aligned with graphics canvas and inflated to nearest integer values. area = pts.ToRectangleF(); } // This is the area of the graphics canvas that needs to be refreshed when invalidating the image. var affectedArea = area.ToRectangle(); // // proof of concept: draw affected area to screen aligned with graphics canvas // using (var orig = g.Transform.Clone()) // { // var areaToBeRendered = affectedArea; // areaToBeRendered.Intersect(mapRect); // g.ResetTransform(); // g.DrawRectangle(new Pen(Color.Red, 3f) {Alignment = System.Drawing.Drawing2D.PenAlignment.Inset}, // areaToBeRendered); // g.Transform = orig; // } // allow for bleed and/or minor labelling misdemeanours affectedArea.Inflate(1, 1); return(affectedArea); }
public static RectangleF TransformRect(this Matrix m, RectangleF rect) { var p = new[] { rect.TopLeft(), rect.BottomRight() }; m.TransformPoints(p); return(RectangleF.FromLTRB(p[0].X, p[0].Y, p[1].X, p[1].Y)); }
public PointF[] GetPointsCopy(System.Drawing.Drawing2D.Matrix transform) { PointF[] points = new PointF[mPoints.Length]; Array.Copy(mPoints, points, mPoints.Length); transform.TransformPoints(points); return(points); }
//-------------------------------------------------------------------------------------------------------------- // Performance benchmarking //-------------------------------------------------------------------------------------------------------------- /// <summary> /// Just to mak sure the code is compiled etc /// </summary> /// <returns>A hash code that just prevents a too-smart compiler for removing redundent code. </returns> public static double PerformanceTestGDIConversion(int numberOfTests) { //TODO: HOW THE HELL DOES THIS TAKE 2MS TO COMPLETE??? double[] numbers = new double[] { 5, 8, 232.5, 123321, 12, -18 }; double hash = 0; for (int i = 1; i < numberOfTests; i++) { //I want to know that the transformation matrix is valid in GDI plus conversions. TransMatrix2D t1 = TransMatrix2D.FromTRS( new Point2D(22.25, 31.75), numbers[i % numbers.Length], new Point2D(51, 37), new Point2D(0.5, 0.25)); GDIMatrix g1 = t1.ToGDIPlusMatrix(); TransMatrix2D t2 = TransMatrix2D.FromGDIPlusMatrix(g1); Point2D test = new Point2D(7.1, numbers[(i + 2) % numbers.Length]); Point2D p1 = t1.Transform(test); var temp = new PointF[] { test.AsPointF() }; g1.TransformPoints(temp); Point2D p2 = new Point2D(temp[0]); Point2D p3 = t2.Transform(test); hash += p1.X + p2.X - p3.X; } return(hash); }
public void scaleCurentFigure() { System.Drawing.Drawing2D.Matrix matrix = new System.Drawing.Drawing2D.Matrix(); System.Drawing.Drawing2D.Matrix test = new System.Drawing.Drawing2D.Matrix(1, 0, 0, 1, 0, 0); // трансформация из double[,] в pointF[] System.Drawing.PointF[] arr = new System.Drawing.PointF[rank]; for (int i = 0; i < mainPoins2.Length; i++) { arr[i] = new System.Drawing.PointF((float)mainPoins2[i].X, (float)mainPoins2[i].Y); } // увеличение matrix.Scale(50, 50); // применение увеличения // matrix.Shear(-2, -2); matrix.TransformPoints(arr); // уже увеличеная фигура (точки) for (int i = 0; i < mainPoins2.Length; i++) { // arr[i] = new System.Drawing.PointF((float)mainPoins2[i].X, (float)mainPoins2[i].Y); mainPoins2[i].X = arr[i].X; mainPoins2[i].Y = arr[i].Y; } // setPointFToLinearr(arr); }
/// <summary> /// Return cursor for command /// </summary> /// <param name="x"></param> /// <param name="y"></param> /// <param name="zoomLevel"></param> /// <returns>null if coordinates are not fine</returns> public Cursor GetCursor(float x, float y, System.Drawing.Drawing2D.Matrix viewMatrix) { // transform x,y back to object coordinates to check for selection System.Drawing.Drawing2D.Matrix mat = new System.Drawing.Drawing2D.Matrix(); mat.Multiply(this.TransformationMatrix, System.Drawing.Drawing2D.MatrixOrder.Append); mat.Multiply(this.Owner.DrawMatrix, System.Drawing.Drawing2D.MatrixOrder.Append); mat.Multiply(viewMatrix, System.Drawing.Drawing2D.MatrixOrder.Append); mat.Invert(); PointF tmpPoint = new PointF(x, y); PointF[] points = new PointF[1]; points[0] = tmpPoint; mat.TransformPoints(points); tmpPoint = points[0]; // check if this item should be selected float w = (float)this.WidthInPixels / this.Owner.ViewMatrix.Elements[0]; float h = (float)this.HeightInPixels / this.Owner.ViewMatrix.Elements[3]; // if starting coordinate fall inside this component rect if (tmpPoint.X >= 0 && tmpPoint.X <= w && tmpPoint.Y >= 0 && tmpPoint.Y <= h) { return(this.cursor); } else { return(null); } }
public static Point <float> Transform(this System.Drawing.Drawing2D.Matrix matrix, Point <float> point) { var a = AsArray(point.AsBCL()); matrix.TransformPoints(a); return(a[0].AsLoyc()); }
public static PointF Transform(this System.Drawing.Drawing2D.Matrix matrix, PointF point) { var a = AsArray(point); matrix.TransformPoints(a); return(a[0]); }
/// <summary> /// Transforms rectangle</summary> /// <param name="matrix">Matrix representing transform</param> /// <param name="r">Rectangle</param> /// <returns>Transformed rectangle</returns> public static RectangleF Transform(Matrix matrix, RectangleF r) { s_tempPtsF[0] = new PointF(r.Left, r.Top); s_tempPtsF[1] = new PointF(r.Right, r.Bottom); matrix.TransformPoints(s_tempPtsF); return(MakeRectangle(s_tempPtsF[0], s_tempPtsF[1])); }
// 画像表示に関するメソッド // https://imagingsolution.net/program/affine_image_transformations/ /// <summary> /// アフィン変換行列(mat)に基づいて画像を描画する /// </summary> /// <param name="g">描画先のGraphicsオブジェクト</param> /// <param name="bmp">描画するBitmapオブジェクト</param> /// <param name="mat">アフィン変換行列</param> public static void DrawImage(this Graphics g, Bitmap bmp, System.Drawing.Drawing2D.Matrix mat) { if ((g == null) || (bmp == null)) { return; } // 画像の画素の外側の領域 var srcRect = new RectangleF( -0.5f, -0.5f, bmp.Width, bmp.Height ); // 画像の左上、右上、左下の座標 var points = new PointF[] { new PointF(srcRect.Left, srcRect.Top), // 左上 new PointF(srcRect.Right, srcRect.Top), // 右上 new PointF(srcRect.Left, srcRect.Bottom) // 左下 }; // アフィン変換で描画先の座標に変換する mat.TransformPoints(points); // 描画 g.DrawImage( bmp, points, srcRect, GraphicsUnit.Pixel ); }
/// <summary> /// 画像の描画 /// </summary> private void DrawImage() { if (_img == null) { return; } if (_bmp == null) { return; } // ピクチャボックスのクリア _gPicbox.Clear(picImage.BackColor); // 描画先の座標をアフィン変換で求める(左上、右上、左下の順) PointF[] destPoints = (PointF[])_srcPoints.Clone(); // 描画先の座標をアフィン変換で求める(変換後の座標は上書きされる) _matAffine.TransformPoints(destPoints); // 描画 _gPicbox.DrawImage( _bmp, destPoints, _srcRect, GraphicsUnit.Pixel ); // 再描画 picImage.Refresh(); }
public void TestMatrix2() { System.Drawing.Drawing2D.Matrix mat = new System.Drawing.Drawing2D.Matrix(); mat.Rotate(30); mat.Translate(-20, 20); var at = new AffineCoordinateTransformation2D(mat); var atInv = at.Inverse(); var p0 = new double[] { 50d, 50d }; var pt = at.Transform(p0); at.Invert(); var p1 = at.Transform(pt); NUnit.Framework.Assert.LessOrEqual(System.Math.Abs(p1[0] - p0[0]), 0.01d); NUnit.Framework.Assert.LessOrEqual(System.Math.Abs(p1[1] - p0[1]), 0.01d); var p2 = atInv.Transform(pt); NUnit.Framework.Assert.LessOrEqual(System.Math.Abs(p2[0] - p0[0]), 0.01d); NUnit.Framework.Assert.LessOrEqual(System.Math.Abs(p2[1] - p0[1]), 0.01d); System.Drawing.PointF[] pts = new System.Drawing.PointF[] { new System.Drawing.PointF(50, 50) }; mat.TransformPoints(pts); System.Diagnostics.Debug.WriteLine(string.Format("POINT ({0} {1})", pts[0].X, pts[0].Y)); System.Drawing.PointF ptt = pts[0]; System.Drawing.PointF[] ptts = new System.Drawing.PointF[] { new System.Drawing.PointF(ptt.X, ptt.Y) }; System.Drawing.Drawing2D.Matrix inv = mat.Clone(); inv.Invert(); inv.TransformPoints(ptts); NUnit.Framework.Assert.LessOrEqual(System.Math.Abs(ptts[0].X - 50f), 0.01); NUnit.Framework.Assert.LessOrEqual(System.Math.Abs(ptts[0].Y - 50f), 0.01); }
/// <summary> /// use matrix to transform point /// </summary> /// <param name="pts">contain the points to be transform</param> private void TransformPoints(Point[] pts) { System.Drawing.Drawing2D.Matrix matrix = new System.Drawing.Drawing2D.Matrix( 1, 0, 0, 1, this.pictureBox.Width / 2, this.pictureBox.Height / 2); matrix.Invert(); matrix.TransformPoints(pts); }
public IEnumerable <System.Drawing.Rectangle> iterPreventRects() { var transform = new System.Drawing.Drawing2D.Matrix(); var pts = new System.Drawing.Point[1]; int circleCount = 16; float angleDelta = 360 / circleCount; float angle = 0; for (int i = 0; i < circleCount; ++i) { transform.Reset(); transform.Rotate(angle); pts[0] = new System.Drawing.Point(0, 96); transform.TransformPoints(pts); var pt = pts[0]; var hitRect = new System.Drawing.Rectangle(this.x + pt.X - 48, this.y + pt.Y - 48, 96, 96); // bool isCollision = _gamePlay.scene.hitTestCollision(snake.headPreventCollisionRect); //Console.WriteLine("{0} Prevent angle={1} hit={2}", snake, angle, isCollision); if (_headPreventCollisionRect.IntersectsWith(hitRect) == false) { yield return(hitRect); } angle += angleDelta; } }
/// <summary> /// Check if this command can be selected and return true in case it can /// </summary> /// <param name="x"></param> /// <param name="y"></param> /// <returns></returns> public bool CanBeSelected(float x, float y, System.Drawing.Drawing2D.Matrix viewMatrix) { // transform x,y back to object coordinates to check for selection System.Drawing.Drawing2D.Matrix mat = new System.Drawing.Drawing2D.Matrix(); mat.Multiply(this.TransformationMatrix, System.Drawing.Drawing2D.MatrixOrder.Append); mat.Multiply(this.Owner.DrawMatrix, System.Drawing.Drawing2D.MatrixOrder.Append); mat.Multiply(viewMatrix, System.Drawing.Drawing2D.MatrixOrder.Append); mat.Invert(); PointF tmpPoint = new PointF(x, y); PointF[] points = new PointF[1]; points[0] = tmpPoint; mat.TransformPoints(points); tmpPoint = points[0]; // check if this item should be selected //float tmpX = LocationInPixelsX * zoomLevel; //float tmpY = LocationInPixelsY * zoomLevel; //float w = widthInPixels; //** zoomLevel; //float h = heightInPixels; //* zoomLevel; float w = (float)this.WidthInPixels / this.Owner.ViewMatrix.Elements[0]; float h = (float)this.HeightInPixels / this.Owner.ViewMatrix.Elements[3]; // if starting coordinate fall inside this component rect if (tmpPoint.X >= 0 && tmpPoint.X <= w && tmpPoint.Y >= 0 && tmpPoint.Y <= h) { return(true); } else { return(false); } }
public BoundingBox Transform(System.Drawing.Drawing2D.Matrix matrix) { System.Drawing.PointF[] points = new System.Drawing.PointF[2]; points[0] = new System.Drawing.PointF((float)xMin, (float)yMin); points[1] = new System.Drawing.PointF((float)xMax, (float)yMax); matrix.TransformPoints(points); return(new BoundingBox(points[0].X, points[1].X, points[0].Y, points[1].Y)); }
public void rotatePoint(PointF centerpoint, float angle, ref PointF dstpoint) { System.Drawing.Drawing2D.Matrix mat = new System.Drawing.Drawing2D.Matrix(); mat.RotateAt(angle, centerpoint); PointF[] arraypoints = new PointF[1]; arraypoints[0] = dstpoint; mat.TransformPoints(arraypoints); dstpoint = arraypoints[0]; }
private void Dialogs_MouseMove(object sender, MouseEventArgs e) { if (movestart == null) { return; } if (FocusedPhrase == -1 && FocusedTimeline == -1 && !TranslateFocus) { return; } System.Drawing.Drawing2D.Matrix m = new System.Drawing.Drawing2D.Matrix(); //m.Translate(Translate.X, Translate.Y, System.Drawing.Drawing2D.MatrixOrder.Append); m.Scale(ScaleZoom, ScaleZoom, System.Drawing.Drawing2D.MatrixOrder.Append); m.Invert(); Point movement = new Point(movestart.X - e.X, movestart.Y - e.Y); movement.X = -movement.X; movement.Y = -movement.Y; Point[] t = new Point[] { movement }; m.TransformPoints(t); movement = t[0]; if (FocusedPhrase != -1) { if (TreeOperationMode) { dlg.MovePhraseTree(FocusedPhrase, movement); } else { dlg.MovePhrase(FocusedPhrase, movement); } Changed = true; } else if (FocusedTimeline >= 0) { Point x = new Point(0, dlginstance.Timeline(FocusedTimeline).Ylocation); x.Offset(movement); dlginstance.Timeline(FocusedTimeline).Ylocation = x.Y; Changed = true; } else { Translate.X -= movestart.X - e.X; Translate.Y -= movestart.Y - e.Y; //Translate.Offset(movement); } movestart = e.Location; this.Refresh(); }
public override bool CalculateCalloutLocation(out PointF location, out CoordinateSystem coordinateSystem) { if (this.Roi.Points.Count < 3 || string.IsNullOrEmpty(this.Callout.Text)) { base.Callout.Visible = false; } else { base.Callout.Visible = true; } if (!base.Callout.Visible || _userMovedCallout) { return(base.CalculateCalloutLocation(out location, out coordinateSystem)); } SizeF calloutOffsetDestination = GetCalloutOffsetDestination(); coordinateSystem = CoordinateSystem.Destination; base.AnnotationGraphic.CoordinateSystem = coordinateSystem; // first, move the callout by the same amount the vertex moved (if it moved at all). location = base.Callout.TextLocation + calloutOffsetDestination; PointF start = this.Roi.Points[0]; PointF vertex = this.Roi.Points[1]; PointF end = this.Roi.Points[2]; base.AnnotationGraphic.ResetCoordinateSystem(); double vectorAngle = -Vector.SubtendedAngle(start, vertex, end) / 2 + 180; PointF[] points = new PointF[] { start, end }; using (Matrix rotation = new Matrix()) { rotation.Rotate((float)vectorAngle); rotation.Translate(-vertex.X, -vertex.Y); rotation.TransformPoints(points); } float calloutMagnitude = new Vector3D(location.X - vertex.X, location.Y - vertex.Y, 0).Magnitude; Vector3D startVector = new Vector3D(points[0].X, points[0].Y, 0); if (FloatComparer.AreEqual(startVector.Magnitude, 0F, 0.01F)) { startVector = new Vector3D(-1, 0, 0); } startVector = startVector / startVector.Magnitude * calloutMagnitude; location = new PointF(startVector.X + vertex.X, startVector.Y + vertex.Y); return(true); }
public void Paint(Matrix2D T, double x0, double x1, Graphics G) { Pen pen = Pen; List <PointF[]> points = Evaluate(x0, x1); foreach (PointF[] i in points) { T.TransformPoints(i); G.DrawLines(pen, i); } }
private System.Drawing.PointF _transRotPt(float angle, System.Drawing.PointF pt) { var trans1 = new System.Drawing.Drawing2D.Matrix(); trans1.Rotate(angle); var pts1 = new System.Drawing.PointF[] { pt }; trans1.TransformPoints(pts1); return(pts1[0]); }
/// <summary> /// Converts a <see cref="PointF"/> from destination to source coordinates. /// </summary> /// <param name="destinationPoint"></param> /// <returns></returns> public PointF ConvertToSource(PointF destinationPoint) { Matrix inverse = this.CumulativeTransform.Clone(); inverse.Invert(); PointF[] points = new PointF[1]; points[0] = destinationPoint; inverse.TransformPoints(points); return(points[0]); }
private static Vector3D GetCurrentPosteriorVector(Vector3D imagePosterior, int sourceWidth, float adjustedSourceHeight, int rotation, float scaleX, float scaleY, bool flipX, bool flipY) { // figure out where the posterior direction went using (var transform = new Matrix()) { var points = new[] { new PointF(sourceWidth * imagePosterior.X, adjustedSourceHeight * imagePosterior.Y) }; transform.Rotate(rotation); transform.Scale(scaleX * (flipY ? -1 : 1), scaleY * (flipX ? -1 : 1)); transform.TransformPoints(points); return(new Vector3D(points[0].X, points[0].Y, 0)); } }
private void _updateRotTransform() { _rotTransform = new System.Drawing.Drawing2D.Matrix(); _rotTransform.Rotate(_head.rotation); var pts = new System.Drawing.PointF[] { new System.Drawing.PointF(0, _moveSpeedValue) }; _rotTransform.TransformPoints(pts); var pt = pts[0]; _speedDelta.X = pt.X; _speedDelta.Y = pt.Y; }
public PdfRectangle Transform(System.Drawing.Drawing2D.Matrix transform) { System.Drawing.PointF[] points = { new System.Drawing.PointF(llx, lly), new System.Drawing.PointF(urx, ury) }; float[] pts = { points[0].X, points[0].Y, points[1].X, points[1].Y }; transform.TransformPoints(points); if (pts[0] > pts[2]) { points[0].X = pts[2]; points[1].X = pts[0]; } if (pts[1] > pts[3]) { points[0].Y = pts[3]; points[1].Y = pts[1]; } return(new PdfRectangle(points[0].X, points[0].Y, points[1].X, points[1].Y)); }
private void _joystick_movementEvent(JoystickEvent evt) { //Console.WriteLine("_joystick_movementEvent {0}", evt); if (_player == null) return; var transform = new System.Drawing.Drawing2D.Matrix(); transform.Rotate(evt.angle); var pts = new System.Drawing.PointF[] { new PointF(0, 64) }; transform.TransformPoints(pts); var pt2 = pts[0]; //Console.WriteLine("_joystick_movementEvent angle={0} pt2={1}", evt.angle, pt2); _player.updateRotationWithRelatedPoint(pt2); _joystickDebugSprite.x = _player.x + (int)pt2.X; _joystickDebugSprite.y = _player.y + (int)pt2.Y; }
float[] TransformPoints(float[] polygonXYs, System.Drawing.Drawing2D.Matrix transformMat) { //for example only PointF[] points = new PointF[1]; float[] transformXYs = new float[polygonXYs.Length]; for (int i = 0; i < polygonXYs.Length;) { points[0] = new PointF(polygonXYs[i], polygonXYs[i + 1]); transformMat.TransformPoints(points); transformXYs[i] = points[0].X; transformXYs[i + 1] = points[0].Y; i += 2; } return(transformXYs); }
private Bitmap Rotate(Bitmap image, float angle) { Bitmap bmp = new Bitmap(image.Width, image.Height); var w = (image.Width & 1) == 0 ? image.Width + 1 : image.Width; var h = (image.Height & 1) == 0 ? image.Height + 1 : image.Height; //центр изображения var center = new System.Drawing.Point(w / 2, h / 2); //Границы изображения var rect = new System.Drawing.Rectangle(0, 0, bmp.Width, bmp.Height); using (var m = new System.Drawing.Drawing2D.Matrix()) { System.Drawing.Point[] pts = new System.Drawing.Point[1]; m.Translate(center.X, center.Y); m.Rotate(-angle); //m.Invert(); for (int x = 0; x < image.Width; x++) { for (int y = 0; y < image.Height; y++) { //Вектор к пикселу pts[0] = new System.Drawing.Point(x - center.X, y - center.Y); m.TransformPoints(pts); if (!rect.Contains(pts[0])) { continue; } //bmp.SetPixel(pts[0].X, pts[0].Y, image.GetPixel(x, y)); bmp.SetPixel(x, y, image.GetPixel(pts[0].X, pts[0].Y)); } } for (int x = 0; x < bmp.Width; x++) { for (int y = 0; y < bmp.Height; y++) { if (bmp.GetPixel(x, y).A == 0) { bmp.SetPixel(x, y, System.Drawing.Color.White); } } } } return(bmp); }
/// <summary> /// Find location of PicBox relative to the Rovio. /// </summary> /// <param name="picBox">Picture box to check.</param> /// <param name="rect">Rectangle of the picture box's object on screen</param> /// <param name="distance">Distance to object</param> /// <param name="multiplierOne">First multiplier to change X position by.</param> /// <param name="multiplierTwo">Second multiplier to change X position by.</param> private void FindRelativeLocation(PictureBox picBox, DRectangle rect, double distance, int multiplierOne, int multiplierTwo) { picBox.Location = new System.Drawing.Point(picBoxRovio.Location.X + rect.X + rect.Width, picBoxRovio.Location.Y - (int)(distance * 20 * 3)); double totalFOV = distance * 100 * 0.93; double percentage = rect.X / (double)robot.cameraDimensions.X * 100; double newX = percentage * (totalFOV / 100); DPoint newPosition = new System.Drawing.Point(picBoxRovio.Location.X - ((int)totalFOV / 2) + (int)newX * 2, picBox.Location.Y); using (matrix = new System.Drawing.Drawing2D.Matrix()) { matrix.RotateAt((float)robot.cumulativeAngle, new System.Drawing.Point(picBoxRovio.Location.X + (picBoxRovio.Size.Width / 2), picBoxRovio.Location.Y + (picBoxRovio.Size.Height / 2))); matrix.Translate((float)-newX + 30f, -(float)(distance * multiplierOne * multiplierTwo)); DPoint[] aPoints = { newPosition }; matrix.TransformPoints(aPoints); picBox.Location = aPoints[0]; } }
/// <summary> /// Add a key point into this polyline link. /// </summary> /// <param name="x">X coordinate of the key point.</param> /// <param name="y">Y coordinate of the key point.</param> /// <param name="rgObjs">GOM object collection.</param> public void AddKeyPoint(float x, float y, GOM_Objects rgObjs) { if ( m_linkingStyle != GOM_Linking_Style.Polyline ) { return; } System.Drawing.Drawing2D.Matrix matrix; System.Drawing.PointF[] rgPts, rgAllPts; System.Drawing.PointF startPt, endPt; startPt = StartPointInCanvas(rgObjs); endPt = EndPointInCanvas(rgObjs); rgPts = new System.Drawing.PointF[2]; rgAllPts = new System.Drawing.PointF[m_keyPts.Count+2]; rgAllPts[0].X = startPt.X; rgAllPts[0].Y = startPt.Y; for(int i=0; i<m_keyPts.Count; i++) { rgAllPts[1+i].X = m_keyPts[i].x; rgAllPts[1+i].Y = m_keyPts[i].y; } rgAllPts[rgAllPts.Length-1].X = endPt.X; rgAllPts[rgAllPts.Length-1].Y = endPt.Y; for(int i=0; i<(rgAllPts.Length-1); i++) { rgPts[0].X = rgAllPts[i+1].X; rgPts[0].Y = rgAllPts[i+1].Y; rgPts[1].X = x; rgPts[1].Y = y; matrix = new System.Drawing.Drawing2D.Matrix(); matrix.Translate(-rgAllPts[i].X, -rgAllPts[i].Y); matrix.TransformPoints(rgPts); float angle = (float)(System.Math.Atan2(rgAllPts[i+1].Y - rgAllPts[i].Y, rgAllPts[i+1].X - rgAllPts[i].X) / System.Math.PI) * 180; matrix.Reset(); matrix.Rotate(-angle); matrix.TransformPoints(rgPts); if ((Math.Abs(rgPts[1].Y) < 2) && (-2 < rgPts[1].X) && (rgPts[1].X < rgPts[0].X + 2)) { GOM_Point point = new GOM_Point(); point.x = x; point.y = y; m_keyPts.Insert(i, point); return; } } }
private PointF ConvertInvariantToDestination(PointF invariantPoint) { PointF xVector = new PointF(100, 0); SizeF xVectorTransformed = base.SpatialTransform.ConvertToDestination(new SizeF(xVector)); //figure out where the source x-axis went in destination int rotation = (int)Math.Round(Vector.SubtendedAngle(xVectorTransformed.ToPointF(), PointF.Empty, xVector)); if (rotation < 0) rotation += 360; Matrix m = new Matrix(); m.Rotate(rotation); PointF[] pt = { invariantPoint }; m.TransformPoints(pt); m.Dispose(); return new PointF(base.Location.X + pt[0].X, base.Location.Y + pt[0].Y); }
public System.Drawing.PointF PointToObject(System.Drawing.PointF pt) { System.Drawing.Drawing2D.Matrix matrix; System.Drawing.RectangleF rc; System.Drawing.PointF[] rgPts; rc = this.BoundingBox; rgPts = new System.Drawing.PointF[1]; rgPts[0].X = pt.X; rgPts[0].Y = pt.Y; matrix = new System.Drawing.Drawing2D.Matrix(); matrix.Translate(-this.xOffset, -this.yOffset); matrix.TransformPoints(rgPts); matrix.Reset(); matrix.Translate(-(rc.Left + rc.Right) / 2, -(rc.Top + rc.Bottom) / 2); matrix.TransformPoints(rgPts); matrix.Reset(); matrix.Rotate(-this.rotation); matrix.TransformPoints(rgPts); matrix.Reset(); matrix.Translate((rc.Left + rc.Right) / 2, (rc.Top + rc.Bottom) / 2); matrix.TransformPoints(rgPts); return rgPts[0]; }
private static Vector3D GetCurrentPosteriorVector(Vector3D imagePosterior, int sourceWidth, float adjustedSourceHeight, int rotation, float scaleX, float scaleY, bool flipX, bool flipY) { // figure out where the posterior direction went using (var transform = new Matrix()) { var points = new[] {new PointF(sourceWidth*imagePosterior.X, adjustedSourceHeight*imagePosterior.Y)}; transform.Rotate(rotation); transform.Scale(scaleX*(flipY ? -1 : 1), scaleY*(flipX ? -1 : 1)); transform.TransformPoints(points); return new Vector3D(points[0].X, points[0].Y, 0); } }
private void GraphicsView_MouseMove(object sender, MouseEventArgs e) { if (movestart == null) return; if (!TranslateFocus) return; System.Drawing.Drawing2D.Matrix m = new System.Drawing.Drawing2D.Matrix(); //m.Translate(Translate.X, Translate.Y, System.Drawing.Drawing2D.MatrixOrder.Append); m.Scale(ZoomScale, ZoomScale, System.Drawing.Drawing2D.MatrixOrder.Append); m.Invert(); Point movement = new Point(movestart.X - e.X, movestart.Y - e.Y); movement.X = -movement.X; movement.Y = -movement.Y; Point[] t = new Point[] { movement }; m.TransformPoints(t); movement = t[0]; Translate.X -= movestart.X - e.X; Translate.Y -= movestart.Y - e.Y; movestart = e.Location; HighPrecisionDraw = false; this.Refresh(); }
/// <summary> /// Bisects the inner angle formed by <paramref name="point1"/> <paramref name="point2"/> <paramref name="point3"/>. /// </summary> /// <remarks> /// <para> /// Based largely on <see cref="ProtractorRoiCalloutLocationStrategy"/>. /// </para> /// <para> /// The return value is a point within the angle such that the line segment /// from this point to <paramref name="point2"/> has the specified <paramref name="magnitude"/> and bisects the angle /// <paramref name="point1"/> <paramref name="point2"/> <paramref name="point3"/>. /// </para> /// </remarks> private static PointF BisectAngle(PointF point1, PointF point2, PointF point3, float magnitude) { PointF[] points = new PointF[] {point1, point3}; using (Matrix2D rotation = new Matrix2D()) { rotation.Rotate((float) (-Vector.SubtendedAngle(point1, point2, point3)/2 + 180)); rotation.Translate(-point2.X, -point2.Y); rotation.TransformPoints(points); } Vector3D result = new Vector3D(points[0].X, points[0].Y, 0); if (FloatComparer.AreEqual(result.Magnitude, 0F, 0.01F)) result = new Vector3D(-1, 0, 0); result = result/result.Magnitude*magnitude; return new PointF(point2.X - result.X, point2.Y - result.Y); }
/// <summary> /// Find location of PicBox relative to the Rovio. /// </summary> /// <param name="picBox">Picture box to check.</param> /// <param name="rect">Rectangle of the picture box's object on screen</param> /// <param name="distance">Distance to object</param> /// <param name="multiplierOne">First multiplier to change X position by.</param> /// <param name="multiplierTwo">Second multiplier to change X position by.</param> private void FindRelativeLocation(PictureBox picBox, DRectangle rect, double distance, int multiplierOne, int multiplierTwo) { picBox.Location = new System.Drawing.Point(picBoxRovio.Location.X + rect.X + rect.Width, picBoxRovio.Location.Y - (int)(distance * 20 * 3)); double totalFOV = distance * 100 * 0.93; double percentage = rect.X / (double)robot.cameraDimensions.X * 100; double newX = percentage * (totalFOV / 100); DPoint newPosition = new System.Drawing.Point(picBoxRovio.Location.X - ((int)totalFOV / 2) + (int)newX*2, picBox.Location.Y); using (matrix = new System.Drawing.Drawing2D.Matrix()) { matrix.RotateAt((float)robot.cumulativeAngle, new System.Drawing.Point(picBoxRovio.Location.X + (picBoxRovio.Size.Width / 2), picBoxRovio.Location.Y + (picBoxRovio.Size.Height / 2))); matrix.Translate((float)-newX + 30f, -(float)(distance * multiplierOne * multiplierTwo)); DPoint[] aPoints = { newPosition }; matrix.TransformPoints(aPoints); picBox.Location = aPoints[0]; } }
private void HardFit() { /* * Rotate the rectangle so that top-left is centered at the top with bot-right at the bottom center. This angle is BaseTheta * Find the min/max x/y * Use those and find the efficiency of that ellipse * Rotate by PI/2/ANGLETRYCOUNT for PI/2 rad's (90 degs), running this same algorithm for each rotation * Use the most efficient, using -(BaseTheta+Theta) as the rotation of the ellipse */ PointF[] Pts = (PointF[])mImgSec.PixelsUsed().SelectMany(p => new PointF[]{new PointF((float)p.X, (float)p.Y)}); System.Drawing.Drawing2D.Matrix BaseRotator = new System.Drawing.Drawing2D.Matrix(), StepRotate = new System.Drawing.Drawing2D.Matrix(); // |\ = ATan(Width/Height) so |\ | // | \ | \ | // | \ | \ | // |___\ |___\| = -Atan(W/H) float BaseTheta = (float)(-Math.Atan((double)mImgSec.Width / (double)mImgSec.Height)); BaseRotator.Rotate(BaseTheta); StepRotate.Rotate((float)Math.PI / 2f / (float)ANGLETRYCOUNT); BaseRotator.TransformPoints(Pts); double BestFit = 0d,temp; int BestChoice = -1; SizeF BestDim = new SizeF(),tempDim; for(int i = 0; i < ANGLETRYCOUNT - 1; i++, StepRotate.TransformPoints(Pts)) { if((temp = GetFit(Pts, out tempDim)) > BestFit) {BestChoice = i; BestFit = temp;BestDim = tempDim;} } mRotation = -(BaseTheta+BestChoice*Math.PI / 2d / (double)ANGLETRYCOUNT); mEllWidth = BestDim.Width; mEllHeight = BestDim.Height; return; }
/// <summary> ///获取低压台区网络图 /// </summary> /// <param name="tqcode"></param> /// <returns></returns> public static Bitmap GetDytqMap(string tqcode ,int width,int height) { int w = width; int h = height; Bitmap bp = new Bitmap(w, h); Graphics g = Graphics.FromImage(bp); IList<PS_xl> list = Ebada.Client.ClientHelper.PlatformSqlMap.GetList<PS_xl>("where linecode like '" + tqcode + "%' and linevol='0.4'"); RectangleF rf = RectangleF.Empty; int bl = 10000; Dictionary<PS_xl, IList<PS_gt>> gts = new Dictionary<PS_xl, IList<PS_gt>>(); List<PS_gtsb> gtsbs = new List<PS_gtsb>(); foreach (PS_xl xl in list) { IList<PS_gt> gtlist = Client.ClientHelper.PlatformSqlMap.GetList<PS_gt>("where linecode ='" + xl.LineCode + "' order by gtcode"); if (gtlist.Count == 0) continue; IList<PS_gtsb> gtsblist = Client.ClientHelper.PlatformSqlMap.GetList<PS_gtsb>(" where sbtype like '17%' and gtid in (select gtid from ps_gt where linecode ='" + xl.LineCode + "')"); gtsbs.AddRange(gtsblist); IList<PS_gt> gtlist2 = new List<PS_gt>(); foreach (PS_gt gt in gtlist) { if (gt.gtLat == 0 || gt.gtLon == 0) continue; gtlist2.Add(gt); if (rf.IsEmpty) rf = new RectangleF((float)gt.gtLon*bl, (float)gt.gtLat*bl, 1f, 1f); else rf=RectangleF.Union(rf,new RectangleF((float)gt.gtLon*bl, (float)gt.gtLat*bl,1f,1f)); //rf..Inflate((float)gt.gtLon, (float)gt.gtLat); } gts.Add(xl, gtlist2); } DataTable gtbhtable = Ebada.Core.ConvertHelper.ToDataTable(gtsbs,typeof(PS_gtsb)); //g.TranslateTransform(-rf.X, -rf.Y); rf.Inflate(3, 3); System.Drawing.Drawing2D.Matrix matrix = new System.Drawing.Drawing2D.Matrix(); matrix.Translate(-rf.X, -rf.Y); float f1=w / rf.Width; float f2=h/rf.Height; float scale = Math.Min(f1,f2); matrix.Scale(scale, scale, System.Drawing.Drawing2D.MatrixOrder.Append); if (f1 < f2) matrix.Translate(0, (h - f1 * rf.Height) / 2, System.Drawing.Drawing2D.MatrixOrder.Append); else matrix.Translate((w - f2 * rf.Width) / 2, 0, System.Drawing.Drawing2D.MatrixOrder.Append); List<PointF> plist = new List<PointF>(); g.Clear(Color.White); g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality; Font f = new Font("宋体", 9); PointF p0 = Point.Empty; Pen pen0 = new Pen(Color.Blue); pen0.DashStyle = System.Drawing.Drawing2D.DashStyle.Dash; List<string> gt0list = new List<string>();//记录重叠杆塔 List<RectangleF> gtboxlist = new List<RectangleF>(); foreach (PS_xl xl in gts.Keys) { plist.Clear(); foreach (PS_gt gt in gts[xl]) { plist.Add(new PointF((float)gt.gtLon*bl, (float)gt.gtLat*bl)); } if (plist.Count <2) continue; PointF[] pts=plist.ToArray(); matrix.TransformPoints(pts); for(int i=0;i<pts.Length;i++){ pts[i].Y = h - pts[i].Y; } g.DrawLines(Pens.Blue,pts ); bool b1 = Math.Abs(pts[0].X - pts[1].X) > Math.Abs(pts[0].Y - pts[1].Y); Point offset = new Point(b1 ? 0 : 20, b1 ? 20 : 0); int gtnum = 0; for(int i=0;i<pts.Length;i++) { PS_gt gt =gts[xl][i]; if (gt.gtLat==0.0m||gt.gtLon==0.0m) continue; if (gt.gtJg == "是" && i==0) { if (xl.ParentID.Length > 10) continue;//台区下干线除外 PointF pf0 = pts[i]; bool ret = false; if (gt0list.Contains(xl.ParentID)) { foreach (RectangleF rtf in gtboxlist) { if (rtf.Contains(pf0)) { ret = true; break; } } } else { gt0list.Add(xl.ParentID); } if (ret) continue; RectangleF rtf0 = RectangleF.Empty; rtf0.Location = pf0; rtf0.Inflate(10, 10); gtboxlist.Add(rtf0); } DataRow[] rows= gtbhtable.Select("gtid='" + gt.gtID + "'"); int n = 1; foreach (DataRow row in rows) { PS_gtsb gtsb = Ebada.Core.ConvertHelper.RowToObject<PS_gtsb>(row); n *= -1; PointF pf = new PointF(pts[i].X + (n * offset.X), pts[i].Y + (n * offset.Y)); RectangleF rtf = Rectangle.Empty; rtf.Location = pf; rtf.Inflate(12, 5); Rectangle rt =Rectangle.Round(rtf); g.DrawLine(Pens.Red, pts[i], pf); g.FillRectangle(Brushes.White, rt); g.DrawRectangle(Pens.Red, rt); string num= gtsb.sbModle.Substring(0,1); if (gtsb.sbNumber > 1) num = num + "x" + gtsb.sbNumber; StringFormat sf =new StringFormat(); sf.Alignment= StringAlignment.Center; //sf.LineAlignment= StringAlignment.Center; g.DrawString(num, f, Brushes.Red, rtf,sf); if (n == 1) break; } g.FillEllipse(Brushes.White, pts[i].X - 5, pts[i].Y - 5, 10, 10); if (gt.gtJg == "是") { g.DrawEllipse(pen0, pts[i].X - 5, pts[i].Y - 5, 10, 10); } else { gtnum += 1; g.DrawEllipse(Pens.Blue, pts[i].X - 5, pts[i].Y - 5, 10, 10); g.DrawString((int)gt.gtHeight + "/" + (gtnum), f, Brushes.Black, pts[i].X - 10, pts[i].Y + 5); } } p0 = Point.Empty; } Hashtable ht_linenum = new Hashtable(); ht_linenum.Add("一线", "1"); ht_linenum.Add("二线", "2"); ht_linenum.Add("三线", "3"); ht_linenum.Add("四线", "4"); foreach (PS_xl xl in gts.Keys) { plist.Clear(); foreach (PS_gt gt in gts[xl]) { plist.Add(new PointF((float)gt.gtLon * bl, (float)gt.gtLat * bl)); } if (plist.Count < 2) continue; PointF[] pts = plist.ToArray(); matrix.TransformPoints(pts); for (int i = 0; i < pts.Length; i++) { pts[i].Y = h - pts[i].Y; } PointF curgt = pts[0]; for (int i = 1; i < pts.Length; i++) { PS_gt gt = gts[xl][i]; if (gt.gtSpan > 1) { drawSpan(g,(int)gt.gtSpan, curgt.X, curgt.Y, pts[i].X, pts[i].Y); } curgt = pts[i]; } object obj = ht_linenum[xl.lineNum] ?? "2"; string linenum = "X" + obj.ToString(); drawLineModel(g, xl.WireType+linenum, pts[pts.Length - 2].X, pts[pts.Length -2].Y, pts[pts.Length - 1].X, pts[pts.Length - 1].Y); } //绘制10线路方向 IList<PS_xl> xllist0 = Client.ClientHelper.PlatformSqlMap.GetList<PS_xl>("where parentid='" + tqcode + "' and linevol ='0.4' "); foreach (PS_xl xl0 in xllist0) { IList<PS_gt> gtlist = Client.ClientHelper.PlatformSqlMap.GetList<PS_gt>("where linecode='" + xl0.LineCode + "' order by gtcode"); if (gtlist.Count >= 2) { PointF p1 = new PointF((float)gtlist[0].gtLon * bl, (float)gtlist[0].gtLat * bl); PointF p2 = new PointF((float)gtlist[1].gtLon * bl, (float)gtlist[1].gtLat * bl); PointF[] pts = new PointF[] { p1, p2 }; matrix.TransformPoints(pts); //drawArrow(g, pts[0].X, h - pts[0].Y, pts[1].X, h - pts[1].Y); } } PS_tq tq = Client.ClientHelper.PlatformSqlMap.GetOne<PS_tq>("where tqcode='" + tqcode + "'"); if (tq != null) { IList<PS_gt> gtlist = Client.ClientHelper.PlatformSqlMap.GetList<PS_gt>("where linecode='" + tq.xlCode2 + "' order by gtcode"); if (gtlist.Count>1) { for(int i=0;i<gtlist.Count;i++) { if (gtlist[i].gtCode == tq.gtID) { if (i > 0) { PointF p1 = new PointF((float)gtlist[i-1].gtLon * bl, (float)gtlist[i-1].gtLat * bl); PointF p2 = new PointF((float)gtlist[i].gtLon * bl, (float)gtlist[i].gtLat * bl); PointF[] pts = new PointF[] { p1, p2 }; matrix.TransformPoints(pts); drawArrow(g, pts[0].X, h - pts[0].Y, pts[1].X, h - pts[1].Y); } break; } } } } //绘制指南针 g.TranslateTransform(width - 50, 20); g.ScaleTransform(1.5f, 1.5f); draw指南针(g); return bp; }
public void TestMatrix() { SharpMap.Geometries.Point p = new Point(10, 10); var b = p.AsBinary(); System.Drawing.Drawing2D.Matrix mat = new System.Drawing.Drawing2D.Matrix(); mat.Rotate(30); mat.Translate(-20, 20); System.Drawing.PointF[] pts = new System.Drawing.PointF[] { new System.Drawing.PointF(50, 50) }; mat.TransformPoints(pts); System.Diagnostics.Debug.WriteLine(string.Format("POINT ({0} {1})", pts[0].X, pts[0].Y)); System.Drawing.PointF ptt = pts[0]; System.Drawing.PointF[] ptts = new System.Drawing.PointF[] { new System.Drawing.PointF(ptt.X, ptt.Y) }; System.Drawing.Drawing2D.Matrix inv = mat.Clone(); inv.Invert(); inv.TransformPoints(ptts); NUnit.Framework.Assert.LessOrEqual(System.Math.Abs(ptts[0].X - 50f), 0.01); NUnit.Framework.Assert.LessOrEqual(System.Math.Abs(ptts[0].Y - 50f), 0.01); }
/// <summary> /// Update function of map. Calls Bayes filtering and handles the rotation and translation of all map objects. /// </summary> private void Update(object sender, EventArgs e) { lock (robot.mapLock) { Bayes(true, preySensor, ref preyProbability); Bayes(false, obstacleSensor, ref obstacleProbability); bBayes = new Bitmap(bMap.Size.Width, bMap.Size.Height); SetNewRovioPosition(); // Run AStar if there is a suitable destination and draw it on the map. using (graphics = Graphics.FromImage(bBayes)) { AStar astar = new AStar(finalMap.GetLength(0), finalMap.GetLength(1)); astar.Build(finalMap, new DPoint(destination.X, destination.Y), new DPoint((picBoxRovio.Location.X / 10) + (picBoxRovio.Width / 10 / 2), picBoxRovio.Location.Y / 10)); aStarPath = astar.path; for (int i = 0; i < maxX; i++) { for (int j = 0; j < maxY; j++) { graphics.FillRectangle(new SolidBrush(DColor.FromArgb((int)(preyProbability[i, j] * 255), System.Drawing.Color.DarkRed)), new DRectangle(i * 10, j * 10, 10, 10)); graphics.FillRectangle(new SolidBrush(DColor.FromArgb((int)(obstacleProbability[i, j] * 255), System.Drawing.Color.DarkBlue)), new DRectangle(i * 10, j * 10, 10, 10)); if (astar.inPath[i, j]) graphics.FillRectangle(new SolidBrush(DColor.Red), new DRectangle(i * 10, j * 10, 10, 10)); } } } picBoxBayes.Image = bBayes; // Check which cells are within the viewing cone. if (viewConePoints != null) { for (int i = 0; i < maxX; i++) { for (int j = 0; j < maxY; j++) { DPoint a = new DPoint(i * 10 + 1, j * 10 + 1); // Top left DPoint b = new DPoint((i + 1) * 10 - 1, j * 10 + 1); // Top right DPoint c = new DPoint(i * 10 + 1, (j + 1) * 10 - 1); // Bottom left DPoint d = new DPoint((i + 1) * 10 - 1, (j + 1) * 10 - 1); // Bottom right if (!(PointInPolygon(a, viewConePoints) || PointInPolygon(b, viewConePoints) || PointInPolygon(c, viewConePoints) || PointInPolygon(d, viewConePoints))) { isCellVisible[i, j] = false; } else { preySensor[i, j] = false; obstacleSensor[i, j] = false; isCellVisible[i, j] = true; } } } } if (robot.GetType() == typeof(Rovio.PredatorMap)) { if (robot.IsPreySeen()) { FindRelativeLocation(picBoxPrey, robot.preyRectangle, robot.GetPreyDistance(), 1, 1); try { preySensor[(int)((picBoxPrey.Location.X / 10) + 1.5), (int)((picBoxPrey.Location.Y / 10) + 1.5)] = true; } catch { } } else picBoxPrey.Hide(); if ((robot as Rovio.BaseArena).IsObstacleSeen()) { // Find obstacle position relative to the Rovio's position. FindRelativeLocation(picBoxObstacle, robot.obstacleRectangle, robot.GetObstacleDistance(), 40, 3); try { int p = (int)((picBoxObstacle.Location.X / 10) + 0.5); int q = (int)((picBoxObstacle.Location.Y / 10) + 0.5); // Populate 3x3 area with the obstacle. for (int i = -1; i <= 1; i++) for (int j = -1; j <= 1; j++) obstacleSensor[(int)((picBoxObstacle.Location.X / 10) + i), (int)((picBoxObstacle.Location.Y / 10) + j)] = true; } catch { } } else picBoxObstacle.Hide(); } // Rotate the Rovio icon to the angle that the robot physically faces. System.Drawing.Drawing2D.Matrix matrixRovio = new System.Drawing.Drawing2D.Matrix(); matrixRovio.RotateAt((float)robot.cumulativeAngle, new System.Drawing.Point(picBoxRovio.Location.X + (picBoxRovio.Size.Width / 2), picBoxRovio.Location.Y + (picBoxRovio.Size.Height / 2))); matrixRovio.Translate(0f, -0f); DPoint[] rovioMovementPoints = {new DPoint(picBoxRovio.Location.X+(picBoxRovio.Size.Width/2), picBoxRovio.Location.Y + (picBoxRovio.Size.Height/2)), new DPoint(picBoxRovio.Location.X+(picBoxRovio.Size.Width/2) - 69, picBoxRovio.Location.Y-150), new DPoint(picBoxRovio.Location.X+(picBoxRovio.Size.Width/2) + 69, picBoxRovio.Location.Y-150)}; matrixRovio.TransformPoints(rovioMovementPoints); if ((robot as Rovio.BaseArena).IsObstacleSeen()) { // Get the left and right points of the obstacle in the viewing cone and orientate accordingly. DPoint leftPoint = new DPoint(picBoxObstacle.Location.X - (picBoxObstacle.Width / 2), picBoxObstacle.Location.Y - 15); DPoint rightPoint = leftPoint; using (matrix = new System.Drawing.Drawing2D.Matrix()) { matrix.RotateAt((float)robot.cumulativeAngle, leftPoint); matrix.Translate(0, -0f); DPoint[] tempPointArr = { leftPoint }; matrix.TransformPoints(tempPointArr); leftPoint = tempPointArr[0]; // Transform the right point relative to the position of the left. matrix = new System.Drawing.Drawing2D.Matrix(); matrix.RotateAt((float)robot.cumulativeAngle, leftPoint); matrix.Translate(30, 0); tempPointArr[0] = new DPoint(0, 0); matrix.TransformPoints(tempPointArr); rightPoint = tempPointArr[0]; } // Check if all points are still within the viewing cone. If not, skip over them. if (PointInPolygon(leftPoint, rovioMovementPoints) && PointInPolygon(rightPoint, rovioMovementPoints)) rovioMovementPoints = new DPoint[] { rovioMovementPoints[0], rovioMovementPoints[1], leftPoint, rightPoint, rovioMovementPoints[2] }; } viewConePoints = rovioMovementPoints; Bitmap rotated = new Bitmap(bRovio.Width + 70, bRovio.Height + 70); rotated.SetResolution(bRovio.HorizontalResolution, bRovio.VerticalResolution); using (graphics = Graphics.FromImage(rotated)) { graphics.TranslateTransform(bRovio.Width / 2, bRovio.Height / 2); graphics.RotateTransform((float)robot.cumulativeAngle); graphics.TranslateTransform(-bRovio.Width / 2, -bRovio.Height / 2); graphics.DrawImage(bRovio, new DPoint(0, 0)); picBoxRovio.Size = new Size(27, 24); picBoxRovio.Image = rotated; picBoxCone.Location = new DPoint(picBoxRovio.Location.X - (bCone.Width / 2) + (bRovio.Width / 2), picBoxRovio.Location.Y - bCone.Height + (bRovio.Height / 2)); picBoxCone.Size = new Size(900, 500); picBoxCone.Image = rotated; picBoxCone.Location = new DPoint(0, 0); picBoxCone.Size = new Size(260, 300); } Bitmap newCone = new Bitmap(260, 300); using (graphics = Graphics.FromImage(newCone)) { graphics.FillPolygon(new SolidBrush(DColor.FromArgb(100, DColor.ForestGreen)), viewConePoints); picBoxCone.Image = newCone; } } }
/// <summary> /// use matrix to transform point /// </summary> /// <param name="pts">contain the points to be transformed</param> private void TransformPoints(Point[] pts) { System.Drawing.Drawing2D.Matrix matrix = new System.Drawing.Drawing2D.Matrix( 1, 0, 0, 1, m_sizePictureBox.Width / 2, m_sizePictureBox.Height / 2); matrix.Invert(); matrix.TransformPoints(pts); }
public void rotatePoint(PointF centerpoint, float angle, ref PointF dstpoint) { System.Drawing.Drawing2D.Matrix mat = new System.Drawing.Drawing2D.Matrix(); mat.RotateAt(angle, centerpoint); PointF[] arraypoints = new PointF[1]; arraypoints[0] = dstpoint; mat.TransformPoints(arraypoints); dstpoint = arraypoints[0]; }
public void Draw2dTextures(Draw2dData[] todraw, int textureid, float angle) { GL.PushAttrib(AttribMask.ColorBufferBit); GL.BindTexture(TextureTarget.Texture2D, textureid); GL.Enable(EnableCap.Texture2D); GL.Disable(EnableCap.DepthTest); VertexPositionTexture[] vertices; ushort[] indices; if (todraw.Length >= draw2dtexturesMAX) { vertices = new VertexPositionTexture[todraw.Length * 4]; indices = new ushort[todraw.Length * 4]; } else { if (draw2dtexturesVertices == null) { draw2dtexturesVertices = new VertexPositionTexture[draw2dtexturesMAX * 4]; draw2dtexturesIndices = new ushort[draw2dtexturesMAX * 4]; } vertices = draw2dtexturesVertices; indices = draw2dtexturesIndices; } ushort i = 0; foreach (Draw2dData v in todraw) { RectangleF rect; if (v.inAtlasId == null) { rect = new RectangleF(0, 0, 1, 1); } else { rect = TextureAtlas.TextureCoords2d(v.inAtlasId.Value, d_Terrain.texturesPacked); } float x2 = v.x1 + v.width; float y2 = v.y1 + v.height; PointF[] pnts = new PointF[4] { new PointF(x2, y2), new PointF(x2,v.y1), new PointF(v.x1,v.y1), new PointF(v.x1,y2)}; if (angle != 0) { System.Drawing.Drawing2D.Matrix mx=new System.Drawing.Drawing2D.Matrix(); mx.RotateAt(angle, new PointF(v.x1+v.width/2,v.y1+v.height/2)); mx.TransformPoints(pnts); } vertices[i] = new VertexPositionTexture(pnts[0].X, pnts[0].Y, 0, rect.Right, rect.Bottom, v.color); vertices[i + 1] = new VertexPositionTexture(pnts[1].X, pnts[1].Y, 0, rect.Right, rect.Top, v.color); vertices[i + 2] = new VertexPositionTexture(pnts[2].X, pnts[2].Y, 0, rect.Left, rect.Top, v.color); vertices[i + 3] = new VertexPositionTexture(pnts[3].X, pnts[3].Y, 0, rect.Left, rect.Bottom, v.color); indices[i] = i; indices[i + 1] = (ushort)(i + 1); indices[i + 2] = (ushort)(i + 2); indices[i + 3] = (ushort)(i + 3); i += 4; } GL.EnableClientState(ArrayCap.TextureCoordArray); GL.EnableClientState(ArrayCap.VertexArray); GL.EnableClientState(ArrayCap.ColorArray); unsafe { fixed (VertexPositionTexture* p = vertices) { GL.VertexPointer(3, VertexPointerType.Float, StrideOfVertices, (IntPtr)(0 + (byte*)p)); GL.TexCoordPointer(2, TexCoordPointerType.Float, StrideOfVertices, (IntPtr)(12 + (byte*)p)); GL.ColorPointer(4, ColorPointerType.UnsignedByte, StrideOfVertices, (IntPtr)(20 + (byte*)p)); GL.DrawElements(BeginMode.Quads, i, DrawElementsType.UnsignedShort, indices); } } GL.DisableClientState(ArrayCap.TextureCoordArray); GL.DisableClientState(ArrayCap.VertexArray); GL.DisableClientState(ArrayCap.ColorArray); GL.Enable(EnableCap.DepthTest); GL.PopAttrib(); }
/// <summary> /// Indicates whether a given point is on this link. /// </summary> /// <param name="x">X coordinate of the given point.</param> /// <param name="y">Y coordinate of the given point.</param> /// <param name="rgObjs">GOM object collection.</param> /// <returns>Whether a given point is on this link.</returns> public bool IsPointOnLink(float x, float y, GOM_Objects rgObjs) { switch (m_linkingStyle) { case GOM_Linking_Style.Line: { System.Drawing.Drawing2D.Matrix matrix; System.Drawing.PointF[] rgPts; System.Drawing.PointF startPt, endPt; startPt = StartPointInCanvas(rgObjs); endPt = EndPointInCanvas(rgObjs); rgPts = new System.Drawing.PointF[2]; rgPts[0].X = endPt.X; rgPts[0].Y = endPt.Y; rgPts[1].X = x; rgPts[1].Y = y; matrix = new System.Drawing.Drawing2D.Matrix(); matrix.Translate(-startPt.X, -startPt.Y); matrix.TransformPoints(rgPts); float angle = (float)(System.Math.Atan2(endPt.Y - startPt.Y, endPt.X - startPt.X) / System.Math.PI) * 180; matrix.Reset(); matrix.Rotate(-angle); matrix.TransformPoints(rgPts); if ((Math.Abs(rgPts[1].Y) < 2) && (-2 < rgPts[1].X) && (rgPts[1].X < rgPts[0].X + 2)) { return true; } break; } case GOM_Linking_Style.Polyline: { System.Drawing.Drawing2D.Matrix matrix; System.Drawing.PointF[] rgPts, rgAllPts; System.Drawing.PointF startPt, endPt; startPt = StartPointInCanvas(rgObjs); endPt = EndPointInCanvas(rgObjs); rgPts = new System.Drawing.PointF[2]; rgAllPts = new System.Drawing.PointF[m_keyPts.Count+2]; rgAllPts[0].X = startPt.X; rgAllPts[0].Y = startPt.Y; for(int i=0; i<m_keyPts.Count; i++) { rgAllPts[1+i].X = m_keyPts[i].x; rgAllPts[1+i].Y = m_keyPts[i].y; } rgAllPts[rgAllPts.Length-1].X = endPt.X; rgAllPts[rgAllPts.Length-1].Y = endPt.Y; for(int i=0; i<(rgAllPts.Length-1); i++) { rgPts[0].X = rgAllPts[i+1].X; rgPts[0].Y = rgAllPts[i+1].Y; rgPts[1].X = x; rgPts[1].Y = y; matrix = new System.Drawing.Drawing2D.Matrix(); matrix.Translate(-rgAllPts[i].X, -rgAllPts[i].Y); matrix.TransformPoints(rgPts); float angle = (float)(System.Math.Atan2(rgAllPts[i+1].Y - rgAllPts[i].Y, rgAllPts[i+1].X - rgAllPts[i].X) / System.Math.PI) * 180; matrix.Reset(); matrix.Rotate(-angle); matrix.TransformPoints(rgPts); if ((Math.Abs(rgPts[1].Y) < 2) && (-2 < rgPts[1].X) && (rgPts[1].X < rgPts[0].X + 2)) { return true; } } break; } case GOM_Linking_Style.Curve: { break; } default: System.Diagnostics.Debug.Assert(false, "Unknown link style."); break; } return false; }
private static PointF GetUpperCorner( float rotation, float left, float top, float width, float height ) { // BUG 1006: Need to account for rotation when determining bounds if( rotation != 0 ) { PointF[] pts = new PointF[4]; pts[0] = new PointF( left, top ); pts[1] = new PointF( left, top + height ); pts[2] = new PointF( left + width, top ); pts[3] = new PointF( left + width, top + height ); // Rotate the points System.Drawing.Drawing2D.Matrix m = new System.Drawing.Drawing2D.Matrix(); m.RotateAt( rotation, new PointF( left + width/2.0f, top + height/2.0f ) ); m.TransformPoints( pts ); return new PointF( Math.Min( Math.Min( Math.Min( pts[0].X, pts[1].X ), pts[2].X ), pts[3].X ), Math.Min( Math.Min( Math.Min( pts[0].Y, pts[1].Y ), pts[2].Y ), pts[3].Y ) ); } else { return new PointF( left, top ); } }
public void TestMatrix2() { System.Drawing.Drawing2D.Matrix mat = new System.Drawing.Drawing2D.Matrix(); mat.Rotate(30); mat.Translate(-20, 20); var at = new AffineCoordinateTransformation2D(mat); var atInv = at.Inverse(); var p0 = new double[] { 50d, 50d }; var pt = at.Transform(p0); at.Invert(); var p1 = at.Transform(pt); NUnit.Framework.Assert.LessOrEqual(System.Math.Abs(p1[0] - p0[0]), 0.01d); NUnit.Framework.Assert.LessOrEqual(System.Math.Abs(p1[1] - p0[1]), 0.01d); var p2 = atInv.Transform(pt); NUnit.Framework.Assert.LessOrEqual(System.Math.Abs(p2[0] - p0[0]), 0.01d); NUnit.Framework.Assert.LessOrEqual(System.Math.Abs(p2[1] - p0[1]), 0.01d); System.Drawing.PointF[] pts = new System.Drawing.PointF[] { new System.Drawing.PointF(50, 50) }; mat.TransformPoints(pts); System.Diagnostics.Debug.WriteLine(string.Format("POINT ({0} {1})", pts[0].X, pts[0].Y)); System.Drawing.PointF ptt = pts[0]; System.Drawing.PointF[] ptts = new System.Drawing.PointF[] { new System.Drawing.PointF(ptt.X, ptt.Y) }; System.Drawing.Drawing2D.Matrix inv = mat.Clone(); inv.Invert(); inv.TransformPoints(ptts); NUnit.Framework.Assert.LessOrEqual(System.Math.Abs(ptts[0].X - 50f), 0.01); NUnit.Framework.Assert.LessOrEqual(System.Math.Abs(ptts[0].Y - 50f), 0.01); }
/// <summary> /// Set the Rovio's position using linear interpolation. /// </summary> private void SetNewRovioPosition() { Vector2 oldP = new Vector2(picBoxRovio.Location.X, picBoxRovio.Location.Y); Vector2 newP = new Vector2(0, -1); // Find the angle of the Rovio on the perimeter of the arena. newP = Vector2.Transform(-Vector2.UnitY, Matrix.CreateRotationZ(MathHelper.ToRadians((float)robot.cumulativeAngle))); newP /= MathHelper.Max(Math.Abs(newP.X), Math.Abs(newP.Y)); newP += Vector2.One; newP *= new Vector2(260, 300) * 0.5f; // Translate into the arena from the perimeter. using (matrix = new System.Drawing.Drawing2D.Matrix()) { matrix.Translate((int)newP.X, (int)newP.Y); matrix.RotateAt((float)robot.cumulativeAngle, new DPoint(0, 0)); matrix.Translate(0f, (float)(robot.GetWallDist() * 100)); DPoint[] newPos = { new DPoint(0, 0) }; matrix.TransformPoints(newPos); if (newPos[0].X < -400 || newPos[0].X > 600) newPos[0] = new DPoint(-100, -100); // Compensate for the alcoves. if (newPos[0].X < 30 && (newPos[0].Y < 100 || newPos[0].Y > 200)) newPos[0].X += 30; else if (newP.X > 230 && (newPos[0].Y < 100 || newPos[0].Y > 200)) newPos[0].X -= 30; newP = Vector2.Lerp(oldP, new Vector2(newPos[0].X, newPos[0].Y), 0.1f); picBoxRovio.Location = new DPoint((int)newP.X, (int)newP.Y); } }
public override bool CalculateCalloutLocation(out PointF location, out CoordinateSystem coordinateSystem) { if (this.Roi.Points.Count < 3 || string.IsNullOrEmpty(this.Callout.Text)) base.Callout.Visible = false; else base.Callout.Visible = true; if (!base.Callout.Visible || _userMovedCallout) return base.CalculateCalloutLocation(out location, out coordinateSystem); SizeF calloutOffsetDestination = GetCalloutOffsetDestination(); coordinateSystem = CoordinateSystem.Destination; base.AnnotationGraphic.CoordinateSystem = coordinateSystem; // first, move the callout by the same amount the vertex moved (if it moved at all). location = base.Callout.TextLocation + calloutOffsetDestination; PointF start = this.Roi.Points[0]; PointF vertex = this.Roi.Points[1]; PointF end = this.Roi.Points[2]; base.AnnotationGraphic.ResetCoordinateSystem(); double vectorAngle = -Vector.SubtendedAngle(start, vertex, end) / 2 + 180; PointF[] points = new PointF[] { start, end }; using (Matrix rotation = new Matrix()) { rotation.Rotate((float) vectorAngle); rotation.Translate(-vertex.X, -vertex.Y); rotation.TransformPoints(points); } float calloutMagnitude = new Vector3D(location.X - vertex.X, location.Y - vertex.Y, 0).Magnitude; Vector3D startVector = new Vector3D(points[0].X, points[0].Y, 0); if (FloatComparer.AreEqual(startVector.Magnitude, 0F, 0.01F)) startVector = new Vector3D(-1, 0, 0); startVector = startVector / startVector.Magnitude * calloutMagnitude; location = new PointF(startVector.X + vertex.X, startVector.Y + vertex.Y); return true; }
/// <summary> /// Check if this command can be selected and return true in case it can /// </summary> /// <param name="x"></param> /// <param name="y"></param> /// <returns></returns> public bool CanBeSelected(float x, float y, System.Drawing.Drawing2D.Matrix viewMatrix) { // transform x,y back to object coordinates to check for selection System.Drawing.Drawing2D.Matrix mat = new System.Drawing.Drawing2D.Matrix(); mat.Multiply(this.TransformationMatrix, System.Drawing.Drawing2D.MatrixOrder.Append); mat.Multiply(this.Owner.DrawMatrix, System.Drawing.Drawing2D.MatrixOrder.Append); mat.Multiply(viewMatrix, System.Drawing.Drawing2D.MatrixOrder.Append); mat.Invert(); PointF tmpPoint = new PointF(x, y); PointF[] points = new PointF[1]; points[0] = tmpPoint; mat.TransformPoints(points); tmpPoint = points[0]; // check if this item should be selected //float tmpX = LocationInPixelsX * zoomLevel; //float tmpY = LocationInPixelsY * zoomLevel; //float w = widthInPixels; //** zoomLevel; //float h = heightInPixels; //* zoomLevel; float w = (float)this.WidthInPixels / this.Owner.ViewMatrix.Elements[0]; float h = (float)this.HeightInPixels / this.Owner.ViewMatrix.Elements[3]; // if starting coordinate fall inside this component rect if (tmpPoint.X >= 0 && tmpPoint.X <= w && tmpPoint.Y >= 0 && tmpPoint.Y <= h) { return true; } else { return false; } }
/// <summary> /// Transforms rectangle</summary> /// <param name="matrix">Matrix representing transform</param> /// <param name="r">Rectangle</param> /// <returns>Transformed rectangle</returns> public static RectangleF Transform(Matrix matrix, RectangleF r) { s_tempPtsF[0] = new PointF(r.Left, r.Top); s_tempPtsF[1] = new PointF(r.Right, r.Bottom); matrix.TransformPoints(s_tempPtsF); return MakeRectangle(s_tempPtsF[0], s_tempPtsF[1]); }
/// <summary> /// Return cursor for command /// </summary> /// <param name="x"></param> /// <param name="y"></param> /// <param name="zoomLevel"></param> /// <returns>null if coordinates are not fine</returns> public Cursor GetCursor(float x, float y, System.Drawing.Drawing2D.Matrix viewMatrix) { // transform x,y back to object coordinates to check for selection System.Drawing.Drawing2D.Matrix mat = new System.Drawing.Drawing2D.Matrix(); mat.Multiply(this.TransformationMatrix, System.Drawing.Drawing2D.MatrixOrder.Append); mat.Multiply(this.Owner.DrawMatrix, System.Drawing.Drawing2D.MatrixOrder.Append); mat.Multiply(viewMatrix, System.Drawing.Drawing2D.MatrixOrder.Append); mat.Invert(); PointF tmpPoint = new PointF(x, y); PointF[] points = new PointF[1]; points[0] = tmpPoint; mat.TransformPoints(points); tmpPoint = points[0]; // check if this item should be selected float w = (float)this.WidthInPixels / this.Owner.ViewMatrix.Elements[0]; float h = (float)this.HeightInPixels / this.Owner.ViewMatrix.Elements[3]; // if starting coordinate fall inside this component rect if (tmpPoint.X >= 0 && tmpPoint.X <= w && tmpPoint.Y >= 0 && tmpPoint.Y <= h) { return this.cursor; } else { return null; } }