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>
/// 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);
}
}
/// <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>
/// 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);
}
/// <summary>
/// Converts a <see cref="SizeF"/> from destination to source coordinates.
/// </summary>
/// <remarks>
/// Only scale and rotation are applied when converting sizes; this is equivalent
/// to converting a direction vector, as direction vectors have only magnitude
/// and direction information, but no position.
/// </remarks>
public SizeF ConvertToSource(SizeF destinationDimensions)
{
PointF[] transformed = new PointF[] { destinationDimensions.ToPointF() };
Matrix inverse = this.CumulativeTransform.Clone();
inverse.Invert();
inverse.TransformVectors(transformed);
return(new SizeF(transformed[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();
}
/// <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]);
}
public void DragPoint(int index, System.Drawing.PointF newPosition)
{
if (index < 0 || index >= _obj.Points.Length)
{
throw new System.ArgumentOutOfRangeException("index");
}
System.Drawing.PointF dragVector = new System.Drawing.PointF(newPosition.X - _transformedPoints[index].X, newPosition.Y - _transformedPoints[index].Y);
using (System.Drawing.Drawing2D.Matrix inverseMatrix = (System.Drawing.Drawing2D.Matrix)_obj.Transform.Clone())
{
inverseMatrix.Invert();
VObjectsUtils.TransformVector(inverseMatrix, ref dragVector);
_obj.Points[index].X += dragVector.X;
_obj.Points[index].Y += dragVector.Y;
}
_obj.Update();
}
public virtual bool IsPointInside(Point p)
{
bool result = false;
System.Drawing.Drawing2D.Matrix m = this.Transforms[0].Matrix.GetDrawing2DMatrix();
m.Invert();
System.Drawing.PointF[] p2 = new System.Drawing.PointF[] { new System.Drawing.PointF(p.X, p.Y) };
m.TransformPoints(p2);
Point tp = new Point(p2[0].X, p2[0].Y);
for (int i = 0; i < this.Definition.Shapes.Count; i++)
{
if (this.Definition.Shapes[i].IsPointInside(tp))
{
result = true;
break;
}
}
return(result);
}
public void TestMatrix()
{
var p = new NetTopologySuite.Geometries.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);
}
private bool IsPointInside(V2DInstance inst, Point p)
{
bool result = false;
System.Drawing.Drawing2D.Matrix m = ((Matrix)inst.UserData).GetDrawing2DMatrix();
m.Invert();
System.Drawing.PointF[] p2 = new System.Drawing.PointF[] { new System.Drawing.PointF(p.X, p.Y) };
m.TransformPoints(p2);
Point tp = new Point(p2[0].X, p2[0].Y);
for (int i = 0; i < inst.Definition.V2DShapes.Count; i++)
{
if (Shapes[i].IsPointInside(tp))
{
result = true;
break;
}
}
return(result);
}
public Bitmap ShiftCoordinateSystem()
{
System.Drawing.Drawing2D.Matrix inverse = gr.Transform;
inverse.Invert();
PointF[] pointFs =
{
mouseDown,
mouseUp
};
//Transform Points in Coordinate-System Points
inverse.TransformPoints(pointFs);
float xOffSet = pointFs[0].X - pointFs[1].X;
float yOffSet = pointFs[0].Y - pointFs[1].Y;
xmin += xOffSet;
xmax += xOffSet;
ymin += yOffSet;
ymax += yOffSet;
return(MakeGraph(xmin, xmax, ymin, ymax));
}
public Bitmap MakeGraph(float _xmin, float _xmax, float _ymin, float _ymax)
{
//The bounds to draw.
xmin = _xmin;
xmax = _xmax;
ymin = _ymin;
ymax = _ymax;
// Make the Bitmap.
gr = Graphics.FromImage(bitmapFunction);
gr.Clear(Color.Transparent);
gr.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
//Transform the graphics object to cartesian coordinates
float fdx = wid * -(xmin / (xmax - xmin));
float fdy = hgt * -(ymax / (ymin - ymax));
gr.TranslateTransform(fdx, fdy);
float sx = Convert.ToSingle(wid) / Math.Abs(xmax - xmin);
float sy = Convert.ToSingle(hgt) / Math.Abs(ymax - ymin);
gr.ScaleTransform(sx, -sy);
// Draw the graph.
using (Pen graph_pen = new Pen(Color.Blue, 0), grid_pen = new Pen(Color.LightGray, 0))
{
for (int x = (int)xmin; x <= xmax; x++)
{
//Draw Grid
gr.DrawLine(grid_pen, x, ymin, x, ymax);
//Draw AxesSeperation
gr.DrawLine(graph_pen, x, -0.1f, x, 0.1f);
}
for (int y = (int)ymin; y <= ymax; y++)
{
//Draw Grid
gr.DrawLine(grid_pen, xmin, y, xmax, y);
//Draw AxesSeperation
gr.DrawLine(graph_pen, -0.1f, y, 0.1f, y);
}
//Draw the axes.
gr.DrawLine(graph_pen, xmin, 0, xmax, 0);
gr.DrawLine(graph_pen, 0, ymin, 0, ymax);
graph_pen.Color = Color.Red;
//See how big 1 pixel is horizontally.
System.Drawing.Drawing2D.Matrix inverse = gr.Transform;
inverse.Invert();
PointF[] pixel_pts =
{
new PointF(0, 0),
new PointF(1, 0)
};
inverse.TransformPoints(pixel_pts);
float dx = pixel_pts[1].X - pixel_pts[0].X;
dx /= 4;
//Draw Function
//Loop over every function in DataGridView
for (int i = 0; i < dataGridView.RowCount - 1; i++)
{
if (dataGridView.Rows[i].Selected == true)
{
float y;
//Loop over x values to generate points.
for (float x = xmin; x <= xmax; x += dx)
{
//Get the next point.
y = function(x, i);
if (!Single.IsNaN(y) && !Single.IsInfinity(y) && !(y > 100000))
{
//Only add points that are visible
if (y < ymax + 0.2 && ymin - 0.2 < y)
{
if (function(x - dx, i) > ymax || function(x - dx, i) < ymin)
{
pointsFunction.Add(new PointF(x - dx, function(x - dx, i)));
}
pointsFunction.Add(new PointF(x, y));
if (function(x + dx, i) > ymax || function(x + dx, i) < ymin)
{
pointsFunction.Add(new PointF(x + dx, function(x + dx, i)));
}
}
}
}
if (pointsFunction.Count != 0)
{
try
{
gr.DrawLines(graph_pen, pointsFunction.ToArray());
}
catch (Exception e)
{
MessageBox.Show(e.ToString(), e.Message);
}
}
pointsFunction.Clear();
}
}
}
controller.UpdateFunctionTextBox(xmin, xmax, ymin, ymax);
//return the result.
return(DrawVisualization());
}
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();
}
public Bitmap GraphFunc()
{
int w = picGraph.ClientSize.Width;
int h = picGraph.ClientSize.Height;
Bitmap bm = new Bitmap(w, h);
using (Graphics gr = Graphics.FromImage(bm))
{
gr.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
RectangleF rect = new RectangleF(xmin, ymin, xmax - xmin, ymax - ymin);
PointF[] pts = { new PointF(0, h), new PointF(w, h), new PointF(0, 0) };
gr.Transform = new System.Drawing.Drawing2D.Matrix(rect, pts);
using (Pen graph_pen = new Pen(Color.Blue, 0))
{
gr.DrawLine(graph_pen, xmin, 0, xmax, 0);
gr.DrawLine(graph_pen, 0, ymin, 0, ymax);
for (int x = (int)xmin; x <= xmax; x++)
{
gr.DrawLine(graph_pen, x, -0.1f, x, 0.1f);
}
for (int y = (int)ymin; y <= ymax; y++)
{
gr.DrawLine(graph_pen, -0.1f, y, 0.1f, y);
}
graph_pen.Color = Color.Red;
if (func.Count == 0)
{
return(bm);
}
System.Drawing.Drawing2D.Matrix inverse = gr.Transform;
inverse.Invert();
PointF[] pixel_pts = { new PointF(0, 0), new PointF(1, 0) };
inverse.TransformPoints(pixel_pts);
float dx = pixel_pts[1].X - pixel_pts[0].X;
dx /= 2;
List <PointF> points = new List <PointF>();
for (float x = xmin; x <= xmax; x += dx)
{
bool valid_point = false;
try
{
float y = 0;
y = func[0].eval(x);
if (points.Count == 0)
{
valid_point = true;
}
else
{
float dy = y - points[points.Count - 1].Y;
if (Math.Abs(dy / dx) < 1000)
{
valid_point = true;
}
}
if (valid_point)
{
points.Add(new PointF(x, y));
}
}
catch
{
}
if (!valid_point)
{
if (points.Count > 1)
{
gr.DrawLines(graph_pen, points.ToArray());
}
points.Clear();
}
}
if (points.Count > 1)
{
gr.DrawLines(graph_pen, points.ToArray());
}
Pen tpen = new Pen(Color.Green, 0);
List <PointF> tpoints = new List <PointF>();
for (float x = xmin; x <= xmax; x += dx)
{
bool valid_point = false;
try
{
float y = 0;
y = func[0].teval(x, taylorterms);
if (tpoints.Count == 0)
{
valid_point = true;
}
else
{
float dy = y - tpoints[tpoints.Count - 1].Y;
if (Math.Abs(dy / dx) < 1000)
{
valid_point = true;
}
}
if (valid_point)
{
tpoints.Add(new PointF(x, y));
}
}
catch
{
}
if (!valid_point)
{
if (tpoints.Count > 1)
{
gr.DrawLines(graph_pen, tpoints.ToArray());
}
tpoints.Clear();
}
}
if (tpoints.Count > 1)
{
gr.DrawLines(tpen, tpoints.ToArray());
}
}
}
return(bm);
}
public virtual void walk(PathWalker walker, System.Drawing.Drawing2D.Matrix errorMatrix, double error)
{
//UPGRADE_TODO: Interface 'java.awt.geom.PathIterator' was converted to 'System.Drawing.Drawing2D.GraphicsPathIterator' which has a different behavior. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1073_3"'
//UPGRADE_TODO: Method 'java.awt.Shape.getPathIterator' was converted to 'System.Drawing.Drawing2D.GraphicsPathIterator.GraphicsPathIterator' which has a different behavior. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1073_javaawtShapegetPathIterator_javaawtgeomAffineTransform_double_3"'
System.Drawing.Drawing2D.GraphicsPathIterator itr = new System.Drawing.Drawing2D.GraphicsPathIterator(shape);
double[] point = new double[6];
int i = 0;
System.Drawing.Drawing2D.Matrix inv;
double m00, m01, m10, m11, dx, dy;
try
{
System.Drawing.Drawing2D.Matrix temp_Matrix;
temp_Matrix = new System.Drawing.Drawing2D.Matrix();
temp_Matrix = errorMatrix.Clone();
temp_Matrix.Invert();
inv = temp_Matrix;
}
catch (System.Exception e)
{
return ;
}
m00 = (float) inv.Elements.GetValue(0);
m01 = (float) inv.Elements.GetValue(2);
m10 = (float) inv.Elements.GetValue(1);
m11 = (float) inv.Elements.GetValue(3);
dx = (System.Single) inv.OffsetX;
dy = (System.Single) inv.OffsetY;
//UPGRADE_ISSUE: Method 'java.awt.geom.PathIterator.isDone' was not converted. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1000_javaawtgeomPathIteratorisDone_3"'
while (!itr.isDone())
{
//UPGRADE_ISSUE: Method 'java.awt.geom.PathIterator.currentSegment' was not converted. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1000_javaawtgeomPathIteratorcurrentSegment_double[]_3"'
int type = itr.currentSegment(point);
//UPGRADE_ISSUE: Method 'java.awt.geom.PathIterator.next' was not converted. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1000_javaawtgeomPathIteratornext_3"'
itr.next();
//UPGRADE_ISSUE: Field 'java.awt.geom.PathIterator.SEG_MOVETO' was not converted. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1000_javaawtgeomPathIteratorSEG_MOVETO_f_3"'
if (type == PathIterator.SEG_MOVETO)
{
if (i > 0)
{
walk(walker, points, i, false);
i = 0;
}
points[i++] = m00 * point[0] + m01 * point[1] + dx;
points[i++] = m10 * point[0] + m11 * point[1] + dy;
}
else
{
//UPGRADE_ISSUE: Field 'java.awt.geom.PathIterator.SEG_LINETO' was not converted. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1000_javaawtgeomPathIteratorSEG_LINETO_f_3"'
if (type == PathIterator.SEG_LINETO)
{
points[i++] = m00 * point[0] + m01 * point[1] + dx;
points[i++] = m10 * point[0] + m11 * point[1] + dy;
}
else
{
//UPGRADE_ISSUE: Field 'java.awt.geom.PathIterator.SEG_CLOSE' was not converted. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1000_javaawtgeomPathIteratorSEG_CLOSE_f_3"'
if (type == PathIterator.SEG_CLOSE)
{
if (i > 0)
{
walk(walker, points, i, true);
i = 0;
}
}
}
}
}
if (i > 0)
{
walk(walker, points, i, false);
i = 0;
}
}
public virtual void walk(PathWalker walker, System.Drawing.Drawing2D.Matrix errorMatrix, double error)
{
//UPGRADE_TODO: Interface 'java.awt.geom.PathIterator' was converted to 'System.Drawing.Drawing2D.GraphicsPathIterator' which has a different behavior. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1073_3"'
//UPGRADE_TODO: Method 'java.awt.Shape.getPathIterator' was converted to 'System.Drawing.Drawing2D.GraphicsPathIterator.GraphicsPathIterator' which has a different behavior. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1073_javaawtShapegetPathIterator_javaawtgeomAffineTransform_double_3"'
System.Drawing.Drawing2D.GraphicsPathIterator itr = new System.Drawing.Drawing2D.GraphicsPathIterator(shape);
double[] point = new double[6];
int i = 0;
System.Drawing.Drawing2D.Matrix inv;
double m00, m01, m10, m11, dx, dy;
try
{
System.Drawing.Drawing2D.Matrix temp_Matrix;
temp_Matrix = new System.Drawing.Drawing2D.Matrix();
temp_Matrix = errorMatrix.Clone();
temp_Matrix.Invert();
inv = temp_Matrix;
}
catch (System.Exception e)
{
return;
}
m00 = (float)inv.Elements.GetValue(0);
m01 = (float)inv.Elements.GetValue(2);
m10 = (float)inv.Elements.GetValue(1);
m11 = (float)inv.Elements.GetValue(3);
dx = (System.Single)inv.OffsetX;
dy = (System.Single)inv.OffsetY;
//UPGRADE_ISSUE: Method 'java.awt.geom.PathIterator.isDone' was not converted. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1000_javaawtgeomPathIteratorisDone_3"'
while (!itr.isDone())
{
//UPGRADE_ISSUE: Method 'java.awt.geom.PathIterator.currentSegment' was not converted. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1000_javaawtgeomPathIteratorcurrentSegment_double[]_3"'
int type = itr.currentSegment(point);
//UPGRADE_ISSUE: Method 'java.awt.geom.PathIterator.next' was not converted. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1000_javaawtgeomPathIteratornext_3"'
itr.next();
//UPGRADE_ISSUE: Field 'java.awt.geom.PathIterator.SEG_MOVETO' was not converted. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1000_javaawtgeomPathIteratorSEG_MOVETO_f_3"'
if (type == PathIterator.SEG_MOVETO)
{
if (i > 0)
{
walk(walker, points, i, false);
i = 0;
}
points[i++] = m00 * point[0] + m01 * point[1] + dx;
points[i++] = m10 * point[0] + m11 * point[1] + dy;
}
else
{
//UPGRADE_ISSUE: Field 'java.awt.geom.PathIterator.SEG_LINETO' was not converted. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1000_javaawtgeomPathIteratorSEG_LINETO_f_3"'
if (type == PathIterator.SEG_LINETO)
{
points[i++] = m00 * point[0] + m01 * point[1] + dx;
points[i++] = m10 * point[0] + m11 * point[1] + dy;
}
else
{
//UPGRADE_ISSUE: Field 'java.awt.geom.PathIterator.SEG_CLOSE' was not converted. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1000_javaawtgeomPathIteratorSEG_CLOSE_f_3"'
if (type == PathIterator.SEG_CLOSE)
{
if (i > 0)
{
walk(walker, points, i, true);
i = 0;
}
}
}
}
}
if (i > 0)
{
walk(walker, points, i, false);
i = 0;
}
}
/// <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;
}
}
/// <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>
/// 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 override void Move(float dx, float dy)
{
// convert dx, dy to vector in object space
System.Drawing.Drawing2D.Matrix mat = this.Owner.DrawMatrix.Clone();
mat.Multiply(this.TransformationMatrix, System.Drawing.Drawing2D.MatrixOrder.Append);
mat.Multiply(this.Owner.ViewMatrix, System.Drawing.Drawing2D.MatrixOrder.Append);
mat.Invert();
PointF tmpPoint = new PointF(dx, dy);
PointF[] points = new PointF[1];
points[0] = tmpPoint;
mat.TransformVectors(points);
tmpPoint = points[0];
dx = tmpPoint.X;
dy = tmpPoint.Y;
float udx = UnitsManager.Instance.ConvertUnit(tmpPoint.X, MeasureUnits.pixel, this.Owner.MeasureUnit);
float udy = UnitsManager.Instance.ConvertUnit(tmpPoint.Y, MeasureUnits.pixel, this.Owner.MeasureUnit);
//dx = UnitsManager.Instance.ConvertUnit(tmpPoint.X, MeasureUnits.pixel, this.Owner.MeasureUnit);
//dy = UnitsManager.Instance.ConvertUnit(tmpPoint.Y, MeasureUnits.pixel, this.Owner.MeasureUnit);
switch (this.CommandPosition)
{
case CommandPosition.TopLeft:
this.Owner.LocationInUnitsX = startLocX + udx;
this.Owner.LocationInUnitsY = startLocY + udy;
this.Owner.WidthInPixels = startWidth - dx;
this.Owner.HeightInPixels = startHeight - dy;
this.Owner.AnchorAll(udx, udy, -dx, -dy);
break;
case CommandPosition.TopCenter:
this.Owner.LocationInUnitsY = startLocY + udy;
this.Owner.HeightInPixels = startHeight - dy;
this.Owner.AnchorAll(0.0f, udy, 0.0f, -dy);
break;
case CommandPosition.TopRight:
this.Owner.LocationInUnitsY = startLocY + udy;
this.Owner.WidthInPixels = startWidth + dx;
this.Owner.HeightInPixels = startHeight - dy;
this.Owner.AnchorAll(0.0f, udy, dx, -dy);
break;
case CommandPosition.MiddleLeft:
this.Owner.LocationInUnitsX = startLocX + udx;
this.Owner.WidthInPixels = startWidth - dx;
this.Owner.AnchorAll(udx, 0.0f, -dx, 0.0f);
break;
case CommandPosition.MiddleRight:
this.Owner.WidthInPixels = startWidth + dx;
this.Owner.AnchorAll(0.0f, 0.0f, dx, 0.0f);
break;
case CommandPosition.BottomLeft:
this.Owner.LocationInUnitsX = startLocX + udx;
this.Owner.WidthInPixels = startWidth - dx;
this.Owner.HeightInPixels = startHeight + dy;
this.Owner.AnchorAll(udx, 0.0f, -dx, dy);
break;
case CommandPosition.BottomCenter:
this.Owner.HeightInPixels = startHeight + dy;
this.Owner.AnchorAll(0.0f, 0.0f, 0.0f, dy);
break;
case CommandPosition.BottomRight:
this.Owner.WidthInPixels = startWidth + dx;
this.Owner.HeightInPixels = startHeight + dy;
this.Owner.AnchorAll(0.0f, 0.0f, dx, dy);
break;
}
if (this.Owner.WidthInPixels < UnitsManager.Instance.ConvertUnit(1.0f, MeasureUnits.mm, MeasureUnits.pixel))
{
this.Owner.WidthInPixels = UnitsManager.Instance.ConvertUnit(1.0f, MeasureUnits.mm, MeasureUnits.pixel);
}
if (this.Owner.HeightInPixels < UnitsManager.Instance.ConvertUnit(1.0f, MeasureUnits.mm, MeasureUnits.pixel))
{
this.Owner.HeightInPixels = UnitsManager.Instance.ConvertUnit(1.0f, MeasureUnits.mm, MeasureUnits.pixel);
}
this.Owner.DockAll();
if (this.Owner.Parent != null)
{
this.Owner.Parent.DockAll();
}
}
//source: http://csharphelper.com/blog/2016/11/graph-an-equation-in-c/
private void drawPolynominal()
{
label9.Visible = true;
// The bounds to draw.
float xmin = -20;
float xmax = 20;
float ymin = -20;
float ymax = 20;
// Make the Bitmap.
int wid = pictureBox2.ClientSize.Width;
int hgt = pictureBox2.ClientSize.Height;
Bitmap bm = new Bitmap(wid, hgt);
using (Graphics gr = Graphics.FromImage(bm))
{
gr.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
// Transform to map the graph bounds to the Bitmap.
RectangleF rect = new RectangleF(
xmin, ymin, xmax - xmin, ymax - ymin);
PointF[] pts =
{
new PointF(0, hgt),
new PointF(wid, hgt),
new PointF(0, 0),
};
gr.Transform = new System.Drawing.Drawing2D.Matrix(rect, pts);
// Draw the graph.
using (Pen graph_pen = new Pen(Color.Blue, 0))
{
// Draw the axes.
gr.DrawLine(graph_pen, xmin, 0, xmax, 0);
gr.DrawLine(graph_pen, 0, ymin, 0, ymax);
for (int x = (int)xmin; x <= xmax; x++)
{
gr.DrawLine(graph_pen, x, -0.1f, x, 0.1f);
}
for (int y = (int)ymin; y <= ymax; y++)
{
gr.DrawLine(graph_pen, -0.1f, y, 0.1f, y);
}
graph_pen.Color = Color.Red;
// See how big 1 pixel is horizontally.
System.Drawing.Drawing2D.Matrix inverse = gr.Transform;
inverse.Invert();
PointF[] pixel_pts =
{
new PointF(0, 0),
new PointF(1, 0)
};
inverse.TransformPoints(pixel_pts);
float dx = pixel_pts[1].X - pixel_pts[0].X;
dx /= 2;
// Loop over x values to generate points.
List <PointF> points = new List <PointF>();
for (float x = xmin; x <= xmax; x += dx)
{
bool valid_point = false;
try
{
// Get the next point.
float y = F(x);
// If the slope is reasonable,
// this is a valid point.
if (points.Count == 0)
{
valid_point = true;
}
else
{
float dy = y - points[points.Count - 1].Y;
if (Math.Abs(dy / dx) < 1000)
{
valid_point = true;
}
}
if (valid_point)
{
points.Add(new PointF(x, y));
}
}
catch
{
}
// If the new point is invalid, draw
// the points in the latest batch.
if (!valid_point)
{
if (points.Count > 1)
{
gr.DrawLines(graph_pen, points.ToArray());
}
points.Clear();
}
}
// Draw the last batch of points.
if (points.Count > 1)
{
gr.DrawLines(graph_pen, points.ToArray());
}
}
}
// Display the result.
pictureBox2.Image = bm;
}