Exemplo n.º 1
0
 public EHSI()
 {
     _fonts.AddFontFile("isisdigits.ttf");
     _fonts.AddFontFile("ehsidigits.ttf");
     InstrumentState = new InstrumentState();
     Options         = new Options();
 }
Exemplo n.º 2
0
        internal static void DrawDistanceToBeacon(Graphics g, PrivateFontCollection fonts, InstrumentState instrumentState, Options options)
        {
            var fontFamily = fonts.Families[0];

            if (_digitsFont == null)
            {
                _digitsFont = new ThreadLocal <Font>(() => new Font(fontFamily, 27.5f, FontStyle.Bold, GraphicsUnit.Point));
            }
            if (_nmFont == null)
            {
                _nmFont = new ThreadLocal <Font>(() => new Font(fontFamily, 20, FontStyle.Bold, GraphicsUnit.Point));
            }
            var distanceDigitStringFormat = new StringFormat()
            {
                Alignment     = StringAlignment.Center,
                FormatFlags   = StringFormatFlags.FitBlackBox | StringFormatFlags.NoClip | StringFormatFlags.NoWrap,
                LineAlignment = StringAlignment.Center,
                Trimming      = StringTrimming.None
            };
            var nmStringFormat = new StringFormat()
            {
                Alignment     = StringAlignment.Center,
                FormatFlags   = StringFormatFlags.FitBlackBox | StringFormatFlags.NoClip | StringFormatFlags.NoWrap,
                LineAlignment = StringAlignment.Center,
                Trimming      = StringTrimming.None
            };
            var initialState = g.Save();
            var basicState   = g.Save();

            GraphicsUtil.RestoreGraphicsState(g, ref basicState);
            var distanceToBeaconString = $"{instrumentState.DistanceToBeaconNauticalMiles:000.0}";
            var hundredsDigit          = distanceToBeaconString.Substring(0, 1);
            var tensDigit   = distanceToBeaconString.Substring(1, 1);
            var onesDigit   = distanceToBeaconString.Substring(2, 1);
            var tenthsDigit = distanceToBeaconString.Substring(4, 1);

            const float digitWidth            = 22;
            const float digitHeight           = 32;
            const float digitSeparationPixels = -4;

            GraphicsUtil.RestoreGraphicsState(g, ref basicState);
            var hundredsRect = new RectangleF(12, 8, digitWidth, digitHeight);
            var tensRect     = new RectangleF(hundredsRect.X + digitWidth + digitSeparationPixels, hundredsRect.Y, digitWidth, digitHeight);
            var onesRect     = new RectangleF(tensRect.X + digitWidth + digitSeparationPixels, tensRect.Y, digitWidth, digitHeight);
            var tenthsRect   = new RectangleF(onesRect.X + digitWidth + 4, onesRect.Y, digitWidth, digitHeight);

            g.DrawStringFast(hundredsDigit, _digitsFont.Value, Brushes.White, hundredsRect, distanceDigitStringFormat);
            g.DrawStringFast(tensDigit, _digitsFont.Value, Brushes.White, tensRect, distanceDigitStringFormat);
            g.DrawStringFast(onesDigit, _digitsFont.Value, Brushes.White, onesRect, distanceDigitStringFormat);

            g.FillRectangle(Brushes.White, tenthsRect);
            g.DrawStringFast(tenthsDigit, _digitsFont.Value, Brushes.Black, tenthsRect, distanceDigitStringFormat);

            if (instrumentState.DmeInvalidFlag)
            {
                var dmeInvalidFlagUpperLeft = new PointF(hundredsRect.X, hundredsRect.Y + 8);
                var dmeInvalidFlagSize      = new SizeF(tenthsRect.X + tenthsRect.Width - hundredsRect.X, 16);
                var dmeInvalidFlagRect      = new RectangleF(dmeInvalidFlagUpperLeft, dmeInvalidFlagSize);
                var redFlagColor            = Color.FromArgb(224, 43, 48);

                using (var redFlagBrush = new SolidBrush(redFlagColor)) { g.FillRectangle(redFlagBrush, dmeInvalidFlagRect); }
            }

            var nmRect = new RectangleF(hundredsRect.X, 45, 30, 20);

            g.DrawStringFast("NM", _nmFont.Value, Brushes.White, nmRect, nmStringFormat);

            GraphicsUtil.RestoreGraphicsState(g, ref initialState);
        }
Exemplo n.º 3
0
        internal static void DrawCompassRose(Graphics g, RectangleF outerBounds, PrivateFontCollection fonts, InstrumentState instrumentState, Options options)
        {
            var initialState = g.Save();
            var basicState   = g.Save();

            var majorHeadingDigitStringFormat = new StringFormat
            {
                Alignment     = StringAlignment.Center,
                FormatFlags   = StringFormatFlags.FitBlackBox | StringFormatFlags.NoClip | StringFormatFlags.NoWrap,
                LineAlignment = StringAlignment.Center,
                Trimming      = StringTrimming.None
            };

            if (_majorHeadingDigitFont == null)
            {
                var fontFamily = fonts.Families[1];
                _majorHeadingDigitFont = new ThreadLocal <Font>(() => new Font(fontFamily, 27.5f, FontStyle.Bold, GraphicsUnit.Point));
            }
            var linePen = new Pen(Color.White)
            {
                Width = 3
            };

            GraphicsUtil.RestoreGraphicsState(g, ref basicState);
            const float majorHeadingLineLength = 28;
            const float minorHeadingLineLength = majorHeadingLineLength / 2.0f;
            const float majorHeadingLegendLayoutRectangleHeight = 30;
            const float majorHeadingLegendLayoutRectangleWidth  = 30;

            using (var majorHeadingBrush = new SolidBrush(Color.White))
            {
                var         innerBounds = new RectangleF(outerBounds.X, outerBounds.Y, outerBounds.Width, outerBounds.Height);
                const float marginWidth = 30f;
                innerBounds.Inflate(-marginWidth, -marginWidth);

                for (var i = 0; i < 360; i += 45)
                {
                    GraphicsUtil.RestoreGraphicsState(g, ref basicState);
                    g.TranslateTransform(marginWidth, marginWidth);
                    g.TranslateTransform(innerBounds.Width / 2.0f, innerBounds.Height / 2.0f);
                    g.RotateTransform(i);
                    g.TranslateTransform(-innerBounds.Width / 2.0f, -innerBounds.Height / 2.0f);

                    const float separationPixels = 2;
                    //draw 45-degree outer ticks
                    g.DrawLineFast(
                        linePen, new PointF(innerBounds.Width / 2.0f, -separationPixels),
                        i % 90 == 0
                            ? new PointF(innerBounds.Width / 2.0f, -(minorHeadingLineLength * 1.5f + separationPixels))
                            : new PointF(innerBounds.Width / 2.0f, -(majorHeadingLineLength + separationPixels)));
                    GraphicsUtil.RestoreGraphicsState(g, ref basicState);
                }

                for (var i = 0; i < 360; i++)
                {
                    GraphicsUtil.RestoreGraphicsState(g, ref basicState);

                    g.TranslateTransform(outerBounds.Width / 2.0f, outerBounds.Height / 2.0f);
                    g.RotateTransform(-instrumentState.MagneticHeadingDegrees);
                    g.TranslateTransform(-outerBounds.Width / 2.0f, -outerBounds.Height / 2.0f);

                    g.TranslateTransform(marginWidth, marginWidth);
                    g.TranslateTransform(innerBounds.Width / 2.0f, innerBounds.Height / 2.0f);
                    g.RotateTransform(i);
                    g.TranslateTransform(-innerBounds.Width / 2.0f, -innerBounds.Height / 2.0f);
                    if (i % 10 == 0)
                    {
                        g.DrawLineFast(linePen, new PointF(innerBounds.Width / 2.0f, 0), new PointF(innerBounds.Width / 2.0f, majorHeadingLineLength));
                    }
                    else if (i % 5 == 0)
                    {
                        g.DrawLineFast(linePen, new PointF(innerBounds.Width / 2.0f, 0), new PointF(innerBounds.Width / 2.0f, minorHeadingLineLength));
                    }
                    if (i % 30 == 0)
                    {
                        var majorHeadingLegendText = $"{i / 10:##}";
                        if (i == 90)
                        {
                            majorHeadingLegendText = "E";
                        }
                        else if (i == 180)
                        {
                            majorHeadingLegendText = "S";
                        }
                        else if (i == 270)
                        {
                            majorHeadingLegendText = "W";
                        }
                        else if (i == 0)
                        {
                            majorHeadingLegendText = "N";
                        }

                        var majorHeadingLegendLayoutRectangle = new RectangleF(
                            innerBounds.Width / 2.0f - majorHeadingLegendLayoutRectangleWidth / 2.0f, majorHeadingLegendLayoutRectangleHeight / 2.0f, majorHeadingLegendLayoutRectangleWidth,
                            majorHeadingLegendLayoutRectangleHeight);
                        majorHeadingLegendLayoutRectangle.Offset(0, 18);
                        g.DrawStringFast(majorHeadingLegendText, _majorHeadingDigitFont.Value, majorHeadingBrush, majorHeadingLegendLayoutRectangle, majorHeadingDigitStringFormat);
                    }
                    GraphicsUtil.RestoreGraphicsState(g, ref basicState);
                }

                GraphicsUtil.RestoreGraphicsState(g, ref initialState);
            }
        }
Exemplo n.º 4
0
        internal static void DrawBearingToBeaconIndicator(Graphics g, RectangleF outerBounds, InstrumentState instrumentState)
        {
            using (var NeedleBrush = new SolidBrush(NeedleColor))
                using (var needlePen = new Pen(NeedleColor)
                {
                    Width = 4
                })
                {
                    var basicState = g.Save();

                    g.TranslateTransform(outerBounds.Width / 2.0f, outerBounds.Height / 2.0f);
                    g.RotateTransform(-instrumentState.MagneticHeadingDegrees);
                    g.RotateTransform(instrumentState.BearingToBeaconDegrees);
                    g.TranslateTransform(-outerBounds.Width / 2.0f, -outerBounds.Height / 2.0f);

                    g.TranslateTransform(outerBounds.Width / 2.0f, 0);

                    const float bearingTriangleWidth  = 23;
                    const float bearingTriangleHeight = 25;

                    var bearingTriangleTop   = new PointF(0, 5);
                    var bearingTriangleLeft  = new PointF(-bearingTriangleWidth / 2.0f, bearingTriangleTop.Y + bearingTriangleHeight);
                    var bearingTriangleRight = new PointF(bearingTriangleWidth / 2.0f, bearingTriangleTop.Y + bearingTriangleHeight);
                    g.FillPolygon(NeedleBrush, new[] { bearingTriangleTop, bearingTriangleLeft, bearingTriangleRight });

                    const float bearingLineTopHeight = 23;
                    var         bearingLineTopTop    = new PointF(bearingTriangleTop.X, bearingTriangleLeft.Y);
                    var         bearingLineTopBottom = new PointF(bearingLineTopTop.X, bearingLineTopTop.Y + bearingLineTopHeight);
                    g.DrawLineFast(needlePen, bearingLineTopTop, bearingLineTopBottom);

                    const float bearingLineBottomHeight = 37;
                    var         bearingLineBottomTop    = new PointF(bearingTriangleTop.X, 455);
                    var         bearingLineBottomBottom = new PointF(bearingTriangleTop.X, bearingLineBottomTop.Y + bearingLineBottomHeight);
                    g.DrawLineFast(needlePen, bearingLineBottomTop, bearingLineBottomBottom);

                    GraphicsUtil.RestoreGraphicsState(g, ref basicState);
                }
        }
        internal static void DrawDesiredCourse(Graphics g, RectangleF outerBounds, PrivateFontCollection fonts, InstrumentState instrumentState, Options options)
        {
            var fontFamily = fonts.Families[0];

            if (_digitsFont == null)
            {
                _digitsFont = new ThreadLocal <Font>(() => new Font(fontFamily, 27.5f, FontStyle.Bold, GraphicsUnit.Point));
            }
            if (_crsFont == null)
            {
                _crsFont = new ThreadLocal <Font>(() => new Font(fontFamily, 20, FontStyle.Bold, GraphicsUnit.Point));
            }
            var desiredCourseDigitStringFormat = new StringFormat
            {
                Alignment     = StringAlignment.Center,
                FormatFlags   = StringFormatFlags.FitBlackBox | StringFormatFlags.NoClip | StringFormatFlags.NoWrap,
                LineAlignment = StringAlignment.Center,
                Trimming      = StringTrimming.None
            };
            var crsStringFormat = new StringFormat()
            {
                Alignment     = StringAlignment.Far,
                FormatFlags   = StringFormatFlags.FitBlackBox | StringFormatFlags.NoClip | StringFormatFlags.NoWrap,
                LineAlignment = StringAlignment.Center,
                Trimming      = StringTrimming.None
            };
            var initialState = g.Save();

            var basicState = g.Save();

            GraphicsUtil.RestoreGraphicsState(g, ref basicState);
            var desiredCourse = $"{instrumentState.DesiredCourseDegrees:000.0}";
            var hundredsDigit = desiredCourse.Substring(0, 1);
            var tensDigit     = desiredCourse.Substring(1, 1);
            var onesDigit     = desiredCourse.Substring(2, 1);

            const float digitWidth            = 22;
            const float digitHeight           = 32;
            const float digitSeparationPixels = -2;

            GraphicsUtil.RestoreGraphicsState(g, ref basicState);
            const float margin       = 8;
            var         hundredsRect = new RectangleF(outerBounds.Width - margin - (digitWidth + digitSeparationPixels) * 3, margin, digitWidth, digitHeight);
            var         tensRect     = new RectangleF(hundredsRect.X + digitWidth + digitSeparationPixels, hundredsRect.Y, digitWidth, digitHeight);
            var         onesRect     = new RectangleF(tensRect.X + digitWidth + digitSeparationPixels, tensRect.Y, digitWidth, digitHeight);

            g.DrawStringFast(hundredsDigit, _digitsFont.Value, Brushes.White, hundredsRect, desiredCourseDigitStringFormat);
            g.DrawStringFast(tensDigit, _digitsFont.Value, Brushes.White, tensRect, desiredCourseDigitStringFormat);
            g.DrawStringFast(onesDigit, _digitsFont.Value, Brushes.White, onesRect, desiredCourseDigitStringFormat);

            var crsRect = new RectangleF(hundredsRect.X, 45, (digitWidth + digitSeparationPixels) * 3, 20);

            g.DrawStringFast("CRS", _crsFont.Value, Brushes.White, crsRect, crsStringFormat);

            GraphicsUtil.RestoreGraphicsState(g, ref initialState);
        }
        internal static void DrawInstrumentMode(Graphics g, RectangleF outerBounds, PrivateFontCollection fonts, InstrumentState instrumentState)
        {
            if (_labelFont == null)
            {
                var fontFamily = fonts.Families[0];
                _labelFont = new ThreadLocal <Font>(() => new Font(fontFamily, 25, FontStyle.Bold, GraphicsUnit.Point));
            }
            var labelStringFormat = new StringFormat
            {
                Alignment     = StringAlignment.Center,
                FormatFlags   = StringFormatFlags.FitBlackBox | StringFormatFlags.NoClip | StringFormatFlags.NoWrap,
                LineAlignment = StringAlignment.Center,
                Trimming      = StringTrimming.None
            };

            const float letterHeight = 20;
            const float margin       = 8;
            const float labelWidth   = 50;

            var howLongSinceInstrumentModeChanged = DateTime.UtcNow.Subtract(instrumentState.WhenInstrumentModeLastChanged);

            if (howLongSinceInstrumentModeChanged.TotalMilliseconds <= 2000)
            {
                var toDisplay = string.Empty;
                switch (instrumentState.InstrumentMode)
                {
                case InstrumentModes.Unknown: break;

                case InstrumentModes.PlsTacan:
                    toDisplay = "PLS/TACAN";
                    break;

                case InstrumentModes.Tacan:
                    toDisplay = "TACAN";
                    break;

                case InstrumentModes.Nav:
                    toDisplay = "NAV";
                    break;

                case InstrumentModes.PlsNav:
                    toDisplay = "PLS/NAV";
                    break;
                }

                if (!instrumentState.ShowBrightnessLabel)
                {
                    CenterLabelRenderer.DrawCenterLabel(g, outerBounds, toDisplay, fonts);
                }
            }

            //draw PLS label
            if (instrumentState.InstrumentMode == InstrumentModes.PlsNav || instrumentState.InstrumentMode == InstrumentModes.PlsTacan)
            {
                var plsLabelRect = new RectangleF(outerBounds.Width * 0.25f, outerBounds.Height - letterHeight - margin, labelWidth, letterHeight);
                g.DrawStringFast("PLS", _labelFont.Value, Brushes.White, plsLabelRect, labelStringFormat);
            }

            if (instrumentState.InstrumentMode == InstrumentModes.PlsNav || instrumentState.InstrumentMode == InstrumentModes.Nav)
            {
                var navLabelRect = new RectangleF(outerBounds.Width * 0.7f, outerBounds.Height - letterHeight - margin, labelWidth, letterHeight);
                g.DrawStringFast("NAV", _labelFont.Value, Brushes.White, navLabelRect, labelStringFormat);
            }

            if (instrumentState.InstrumentMode == InstrumentModes.PlsTacan || instrumentState.InstrumentMode == InstrumentModes.Tacan)
            {
                var tacanLabelRect = new RectangleF(outerBounds.Width * 0.7f, outerBounds.Height - letterHeight - margin, labelWidth, letterHeight);
                g.DrawStringFast("TCN", _labelFont.Value, Brushes.White, tacanLabelRect, labelStringFormat);
            }
        }
        internal static void DrawCourseDeviationNeedles(Graphics g, RectangleF outerBounds, InstrumentState instrumentState)
        {
            var initialState = g.Save();
            var redFlagColor = Color.FromArgb(224, 43, 48);
            var needleColor  = Color.FromArgb(102, 190, 157);

            using (var redFlagBrush = new SolidBrush(redFlagColor))
                using (var needleBrush = new SolidBrush(needleColor))
                    using (var needlePen = new Pen(needleColor))
                    {
                        const float pointerNeedleThickWidth = 8;
                        const float pointerNeedleThinWidth  = 3;
                        const float maxDeviationX           = 110;
                        const float dotHeight                   = 15;
                        var         dotY                        = (outerBounds.Height - dotHeight) / 2.0f;
                        const float leftInnerDotX               = -maxDeviationX / 2.0f - dotHeight / 2.0f;
                        const float leftOuterDotX               = -maxDeviationX - dotHeight / 2.0f;
                        const float rightInnerDotX              = maxDeviationX / 2.0f - dotHeight / 2.0f;
                        const float rightOuterDotX              = maxDeviationX - dotHeight / 2.0f;
                        const float topIndicatorLineHeight      = 50;
                        const float coursePointerTriangleWidth  = 30;
                        const float coursePointerTriangleHeight = 20;
                        const float pointerNeedleThickHeightTop = 40;
                        const float cdiNeedleHeight             = 198;
                        var         deviationTranslateX         = maxDeviationX
                                                                  * Math.Sign(instrumentState.CourseDeviationDegrees)
                                                                  * (Math.Abs(instrumentState.CourseDeviationDegrees) / Math.Abs(instrumentState.CourseDeviationLimitDegrees));
                        const float pointerNeedleThickHeightBottom = 60;
                        const float bottomIndicatorLineHeight      = 50;
                        var         courseNeedleTopLineTop         = new PointF(0, 43);
                        var         courseNeedleTopLineBottom      = new PointF(0, courseNeedleTopLineTop.Y + topIndicatorLineHeight);
                        var         coursePointerTriangleLeft      = new PointF(courseNeedleTopLineBottom.X - coursePointerTriangleWidth / 2.0f, courseNeedleTopLineBottom.Y + coursePointerTriangleHeight);
                        var         coursePointerTriangleRight     = new PointF(courseNeedleTopLineBottom.X + coursePointerTriangleWidth / 2.0f, coursePointerTriangleLeft.Y);
                        var         coursePointerTriangleTop       = new PointF(0, courseNeedleTopLineBottom.Y - 2);
                        var         pointerNeedleThickTopTop       = new PointF(0, coursePointerTriangleLeft.Y);
                        var         pointerNeedleThickTopBottom    = new PointF(0, pointerNeedleThickTopTop.Y + pointerNeedleThickHeightTop);
                        var         deviationInvalidFlagRect       = new RectangleF(new PointF(-80, pointerNeedleThickTopBottom.Y), new SizeF(60, 30));
                        var         toFromFlagHeight               = deviationInvalidFlagRect.Height;
                        var         toFromFlagWidth                = deviationInvalidFlagRect.Height;
                        var         cdiLineTop                     = new PointF(0, pointerNeedleThickTopBottom.Y + 2);
                        var         cdiLineBottom                  = new PointF(0, cdiLineTop.Y + cdiNeedleHeight);
                        var         pointerNeedleThickBottomTop    = new PointF(0, cdiLineBottom.Y + 2);
                        var         pointerNeedleThickBottomBottom = new PointF(0, pointerNeedleThickBottomTop.Y + pointerNeedleThickHeightBottom);
                        var         courseNeedleBottomLineTop      = new PointF(0, pointerNeedleThickBottomBottom.Y);
                        var         courseNeedleBottomLineBottom   = new PointF(0, courseNeedleBottomLineTop.Y + bottomIndicatorLineHeight);
                        var         toFlagTop      = new PointF(maxDeviationX / 2.0f, pointerNeedleThickTopBottom.Y);
                        var         toFlagLeft     = new PointF(toFlagTop.X - toFromFlagWidth / 2.0f, toFlagTop.Y + toFromFlagHeight);
                        var         toFlagRight    = new PointF(toFlagTop.X + toFromFlagWidth / 2.0f, toFlagTop.Y + toFromFlagHeight);
                        var         fromFlagBottom = new PointF(maxDeviationX / 2.0f, pointerNeedleThickBottomTop.Y);
                        var         fromFlagLeft   = new PointF(fromFlagBottom.X - toFromFlagWidth / 2.0f, fromFlagBottom.Y - toFromFlagHeight);
                        var         fromFlagRight  = new PointF(fromFlagBottom.X + toFromFlagWidth / 2.0f, fromFlagBottom.Y - toFromFlagHeight);

                        g.TranslateTransform(outerBounds.Width / 2.0f, outerBounds.Height / 2.0f);
                        g.RotateTransform(-instrumentState.MagneticHeadingDegrees);
                        g.RotateTransform(instrumentState.DesiredCourseDegrees);
                        g.TranslateTransform(-outerBounds.Width / 2.0f, -outerBounds.Height / 2.0f);

                        g.TranslateTransform(outerBounds.Width / 2.0f, 0);

                        //draw deviation dots
                        g.FillEllipse(Brushes.White, new RectangleF(leftInnerDotX, dotY, dotHeight, dotHeight));
                        g.FillEllipse(Brushes.White, new RectangleF(leftOuterDotX, dotY, dotHeight, dotHeight));
                        g.FillEllipse(Brushes.White, new RectangleF(rightInnerDotX, dotY, dotHeight, dotHeight));
                        g.FillEllipse(Brushes.White, new RectangleF(rightOuterDotX, dotY, dotHeight, dotHeight));

                        //draw thin line on top of pointer arrow
                        needlePen.Width = pointerNeedleThinWidth;
                        g.DrawLineFast(needlePen, courseNeedleTopLineTop, courseNeedleTopLineBottom);

                        //draw pointer arrow
                        g.FillPolygon(needleBrush, new[] { coursePointerTriangleTop, coursePointerTriangleLeft, coursePointerTriangleRight });

                        //draw thick line just below pointer arrow
                        needlePen.Width = pointerNeedleThickWidth;
                        g.DrawLineFast(needlePen, pointerNeedleThickTopTop, pointerNeedleThickTopBottom);

                        if (instrumentState.DeviationInvalidFlag)
                        {
                            //draw deviation invalid flag
                            g.FillRectangle(redFlagBrush, deviationInvalidFlagRect);
                        }
                        //draw CDI needle
                        needlePen.Width = pointerNeedleThickWidth;
                        if (instrumentState.DeviationInvalidFlag)
                        {
                            needlePen.DashPattern = new[] { 2, 1.75f }
                        }
                        ;
                        g.TranslateTransform(deviationTranslateX, 0);
                        g.DrawLineFast(needlePen, cdiLineTop, cdiLineBottom);
                        g.TranslateTransform(-deviationTranslateX, 0);

                        needlePen.DashStyle = DashStyle.Solid;

                        //draw thick line just below CDI needle
                        needlePen.Width = pointerNeedleThickWidth;
                        g.DrawLineFast(needlePen, pointerNeedleThickBottomTop, pointerNeedleThickBottomBottom);

                        //draw thin line indicating reciprocal-of-course
                        needlePen.Width = pointerNeedleThinWidth;
                        g.DrawLineFast(needlePen, courseNeedleBottomLineTop, courseNeedleBottomLineBottom);

                        if (instrumentState.ShowToFromFlag)
                        {
                            if (instrumentState.ToFlag)
                            {
                                g.FillPolygon(Brushes.White, new[] { toFlagTop, toFlagLeft, toFlagRight });
                            }
                            if (instrumentState.FromFlag)
                            {
                                g.FillPolygon(Brushes.White, new[] { fromFlagBottom, fromFlagLeft, fromFlagRight });
                            }
                        }

                        GraphicsUtil.RestoreGraphicsState(g, ref initialState);
                    }
        }
    }
Exemplo n.º 8
0
        internal static void DrawDesiredHeadingBug(Graphics g, RectangleF outerBounds, InstrumentState instrumentState)
        {
            var basicState = g.Save();

            g.TranslateTransform(outerBounds.Width / 2.0f, outerBounds.Height / 2.0f);
            g.RotateTransform(-instrumentState.MagneticHeadingDegrees);
            g.RotateTransform(instrumentState.DesiredHeadingDegrees);
            g.TranslateTransform(-outerBounds.Width / 2.0f, -outerBounds.Height / 2.0f);

            const float headingBugSquareSize        = 20;
            const float headingBugGapBetweenSquares = 5;
            const float headingBugSquareTop         = 18;
            var         centerX = outerBounds.X + outerBounds.Width / 2.0f;
            var         leftHeadingBugSquareLocation  = new PointF(centerX - headingBugSquareSize - headingBugGapBetweenSquares / 2.0f, headingBugSquareTop);
            var         rightHeadingBugSquareLocation = new PointF(centerX + headingBugGapBetweenSquares / 2.0f, headingBugSquareTop);
            var         headingBugLeftSquare          = new RectangleF(leftHeadingBugSquareLocation, new SizeF(headingBugSquareSize, headingBugSquareSize));
            var         headingBugRightSquare         = new RectangleF(rightHeadingBugSquareLocation, new SizeF(headingBugSquareSize, headingBugSquareSize));
            var         headingBugColor = Color.FromArgb(248, 238, 153);

            using (var headingBugBrush = new SolidBrush(headingBugColor))
            {
                g.FillRectangle(headingBugBrush, headingBugLeftSquare);
                g.FillRectangle(headingBugBrush, headingBugRightSquare);
            }
            GraphicsUtil.RestoreGraphicsState(g, ref basicState);
        }