Example #1
0
 // Sets the relativity point, which is essential for most transformations
 private void SetRelativityPoint(PointF NewPoint)
 {
     RealRelatPoint          = NewPoint;
     ScreenRelativityPoint.X = Normalisation.NormaliseX(RealRelatPoint.X, RealBorders[0], RealBorders[1], MainPB.Width);
     ScreenRelativityPoint.Y = Normalisation.NormaliseY(RealRelatPoint.Y, RealBorders[2], RealBorders[3], MainPB.Height);
 }
Example #2
0
 private void SetRelativityPoint(Point NewPoint)
 {
     ScreenRelativityPoint = NewPoint;
     RealRelatPoint.X      = (float)Normalisation.DenormaliseX(ScreenRelativityPoint.X, MainPB.Width, RealBorders[0], RealBorders[1]);
     RealRelatPoint.Y      = (float)Normalisation.DenormaliseY(ScreenRelativityPoint.Y, MainPB.Height, RealBorders[2], RealBorders[3]);
 }
Example #3
0
        // Draws coordinate axes and markers using PaintEventArgs e
        private void DrawAxes(PaintEventArgs e)
        {
            int yAxisXCoordinate = Normalisation.NormaliseX(0, RealBorders[0], RealBorders[1], MainPB.Width),     //Coordinates of axes on the graph
                xAxisYCoordinate = Normalisation.NormaliseY(0, RealBorders[2], RealBorders[3], MainPB.Height);
            bool xAxisVisible = true, yAxisVisible = true;

            if (yAxisXCoordinate < 0)
            {
                yAxisXCoordinate = 0;
                yAxisVisible     = false;
            }
            else if (yAxisXCoordinate > MainPB.Width)
            {
                yAxisXCoordinate = MainPB.Width;
                yAxisVisible     = false;
            }

            if (xAxisYCoordinate < 0)
            {
                xAxisYCoordinate = 0;
                xAxisVisible     = false;
            }
            else if (xAxisYCoordinate > MainPB.Height)
            {
                xAxisYCoordinate = MainPB.Height;
                xAxisVisible     = false;
            }

            // Get markers values
            float[] XMarkers = Coordinates.SpreadXMarkers(RealBorders[0], RealBorders[1], (RealBorders[1] - RealBorders[0]) / 10);
            float[] YMarkers = Coordinates.SpreadYMarkers(RealBorders[2], RealBorders[3], (RealBorders[3] - RealBorders[2]) / 10);
            // Get markers screen coordinates
            int[] nXMarkers = Normalisation.NormaliseXArray(XMarkers, RealBorders[0], RealBorders[1], MainPB.Width);
            int[] nYMarkers = Normalisation.NormaliseYArray(YMarkers, RealBorders[2], RealBorders[3], MainPB.Height);

            int MarkersRadius = 3;
            // Draw
            Font       mFont  = new Font(Font.FontFamily, 8, FontStyle.Bold);
            Pen        mPen   = new Pen(Color.LightGray, 2);
            SolidBrush mBrush = new SolidBrush(Color.Black);

            for (int i = 0; i < nXMarkers.Length; i++)
            {
                e.Graphics.DrawLine(mPen, nXMarkers[i], 0, nXMarkers[i], MainPB.Height);
                e.Graphics.FillEllipse(mBrush, nXMarkers[i] - MarkersRadius, xAxisYCoordinate - MarkersRadius, MarkersRadius * 2, MarkersRadius * 2);
                e.Graphics.DrawString(XMarkers[i].ToString(), mFont, Brushes.Black, nXMarkers[i],
                                      xAxisYCoordinate + mFont.Height > MainPB.Height ? xAxisYCoordinate - 1.5f * mFont.Height : xAxisYCoordinate + 2);
            }
            for (int i = 0; i < nYMarkers.Length; i++)
            {
                e.Graphics.DrawLine(mPen, 0, nYMarkers[i], MainPB.Width, nYMarkers[i]);
                e.Graphics.FillEllipse(mBrush, yAxisXCoordinate - MarkersRadius, nYMarkers[i] - MarkersRadius, MarkersRadius * 2, MarkersRadius * 2);
                e.Graphics.DrawString(YMarkers[i].ToString(), mFont, Brushes.Black,
                                      yAxisXCoordinate + YMarkers[i].ToString().Length *mFont.Size > MainPB.Width ? yAxisXCoordinate - YMarkers[i].ToString().Length *mFont.Size : yAxisXCoordinate,
                                      nYMarkers[i]);
            }

            if (yAxisVisible)
            {
                e.Graphics.DrawLine(new Pen(Color.Black, 2), yAxisXCoordinate, 0, yAxisXCoordinate, MainPB.Height);
            }
            if (xAxisVisible)
            {
                e.Graphics.DrawLine(new Pen(Color.Black, 2), 0, xAxisYCoordinate, MainPB.Width, xAxisYCoordinate);
            }
        }