internal static void DrawFromFlag(Graphics destinationGraphics, ref GraphicsState basicState, float centerX, float centerY, InstrumentState instrumentState, Image fromFlagMaskedImage)
{
//draw the FROM flag
if (!instrumentState.ShowToFromFlag || !instrumentState.FromFlag)
{
return;
}
GraphicsUtil.RestoreGraphicsState(destinationGraphics, ref basicState);
destinationGraphics.TranslateTransform(centerX, centerY);
destinationGraphics.RotateTransform(-instrumentState.MagneticHeadingDegrees);
destinationGraphics.RotateTransform(instrumentState.DesiredCourseDegrees);
destinationGraphics.TranslateTransform(-centerX, -centerY);
destinationGraphics.DrawImageFast(fromFlagMaskedImage, new Point(0, 0));
GraphicsUtil.RestoreGraphicsState(destinationGraphics, ref basicState);
}
internal static void DrawDesiredCourse(Graphics destinationGraphics, ref GraphicsState basicState, InstrumentState instrumentState, FontGraphic rangeFontGraphic)
{
GraphicsUtil.RestoreGraphicsState(destinationGraphics, ref basicState);
var desiredCourseString = $"{instrumentState.DesiredCourseDegrees:000}";
var desiredCourseHundreds = desiredCourseString[0];
var desiredCourseTens = desiredCourseString[1];
var desiredCourseOnes = desiredCourseString[2];
var desiredCourseHundredsImage = rangeFontGraphic.GetCharImage(desiredCourseHundreds);
var desiredCourseTensImage = rangeFontGraphic.GetCharImage(desiredCourseTens);
var desiredCourseOnesImage = rangeFontGraphic.GetCharImage(desiredCourseOnes);
var currentX = 182;
const int y = 45;
const int spacingPixels = -5;
destinationGraphics.DrawImageFast(desiredCourseHundredsImage, new Point(currentX, y));
currentX += desiredCourseHundredsImage.Width + spacingPixels;
destinationGraphics.DrawImageFast(desiredCourseTensImage, new Point(currentX, y));
currentX += desiredCourseTensImage.Width + spacingPixels;
destinationGraphics.DrawImageFast(desiredCourseOnesImage, new Point(currentX, y));
GraphicsUtil.RestoreGraphicsState(destinationGraphics, ref basicState);
}
internal static void DrawCourseDeviationInvalidFlag(
Graphics destinationGraphics, ref GraphicsState basicState, float centerX, float centerY, InstrumentState instrumentState, Image hsiCDIFlagMaskedImage)
{
//draw the CDI flag
if (instrumentState.DeviationInvalidFlag)
{
GraphicsUtil.RestoreGraphicsState(destinationGraphics, ref basicState);
destinationGraphics.TranslateTransform(centerX, centerY);
destinationGraphics.RotateTransform(-instrumentState.MagneticHeadingDegrees);
destinationGraphics.RotateTransform(instrumentState.DesiredCourseDegrees);
destinationGraphics.TranslateTransform(-centerX, -centerY);
destinationGraphics.DrawImageFast(hsiCDIFlagMaskedImage, new Point(0, 0));
GraphicsUtil.RestoreGraphicsState(destinationGraphics, ref basicState);
}
}
internal static void DrawCourseDeviationIndicator(
Graphics destinationGraphics, ref GraphicsState basicState, float centerX, float centerY, InstrumentState instrumentState, Image hsiCourseDeviationIndicatorMaskedImage)
{
//draw course deviation indicator
GraphicsUtil.RestoreGraphicsState(destinationGraphics, ref basicState);
destinationGraphics.TranslateTransform(centerX, centerY);
destinationGraphics.RotateTransform(-instrumentState.MagneticHeadingDegrees);
destinationGraphics.RotateTransform(instrumentState.DesiredCourseDegrees);
destinationGraphics.TranslateTransform(-centerX, -centerY);
var cdiPct = instrumentState.CourseDeviationDegrees / instrumentState.CourseDeviationLimitDegrees;
const float cdiRange = 46.0f;
var cdiPos = cdiPct * cdiRange;
destinationGraphics.TranslateTransform(cdiPos, -2);
try { destinationGraphics.DrawImageFast(hsiCourseDeviationIndicatorMaskedImage, new Point(0, 0)); }
catch (OverflowException) { }
GraphicsUtil.RestoreGraphicsState(destinationGraphics, ref basicState);
}
internal static void DrawInnerWheel(Graphics destinationGraphics, ref GraphicsState basicState, float centerX, float centerY, InstrumentState instrumentState, Image innerWheelMaskedImage)
{
//draw inner wheel
GraphicsUtil.RestoreGraphicsState(destinationGraphics, ref basicState);
destinationGraphics.TranslateTransform(centerX, centerY);
destinationGraphics.RotateTransform(-instrumentState.MagneticHeadingDegrees);
destinationGraphics.RotateTransform(instrumentState.DesiredCourseDegrees);
destinationGraphics.TranslateTransform(-centerX, -centerY);
destinationGraphics.TranslateTransform(0.5f, -2.0f);
destinationGraphics.DrawImageFast(innerWheelMaskedImage, new Point(0, 0));
GraphicsUtil.RestoreGraphicsState(destinationGraphics, ref basicState);
}
internal static void DrawOffFlag(Graphics destinationGraphics, ref GraphicsState basicState, InstrumentState instrumentState, Image hsiOffFlagMaskedImage)
{
//draw the OFF flag
if (!instrumentState.OffFlag)
{
return;
}
GraphicsUtil.RestoreGraphicsState(destinationGraphics, ref basicState);
destinationGraphics.RotateTransform(-25);
destinationGraphics.TranslateTransform(20, 50);
destinationGraphics.DrawImageFast(hsiOffFlagMaskedImage, new Point(0, 0));
GraphicsUtil.RestoreGraphicsState(destinationGraphics, ref basicState);
}
public HorizontalSituationIndicator()
{
InstrumentState = new InstrumentState();
}
internal static void DrawCompassRose(Graphics destinationGraphics, ref GraphicsState basicState, float centerX, float centerY, InstrumentState instrumentState, Image compassRoseMaskedImage)
{
//draw compass rose
GraphicsUtil.RestoreGraphicsState(destinationGraphics, ref basicState);
destinationGraphics.TranslateTransform(centerX, centerY);
destinationGraphics.RotateTransform(-instrumentState.MagneticHeadingDegrees);
destinationGraphics.TranslateTransform(-centerX, -centerY);
destinationGraphics.DrawImageFast(compassRoseMaskedImage, new Point(0, 0));
GraphicsUtil.RestoreGraphicsState(destinationGraphics, ref basicState);
}
internal static void DrawHeadingBug(Graphics destinationGraphics, ref GraphicsState basicState, float centerX, float centerY, InstrumentState instrumentState, Image hsiHeadingBugMaskedImage)
{
//draw heading bug
GraphicsUtil.RestoreGraphicsState(destinationGraphics, ref basicState);
destinationGraphics.TranslateTransform(centerX, centerY);
destinationGraphics.RotateTransform(instrumentState.DesiredHeadingDegrees - instrumentState.MagneticHeadingDegrees);
destinationGraphics.TranslateTransform(-centerX, -centerY);
destinationGraphics.DrawImageFast(hsiHeadingBugMaskedImage, new Point(0, 0));
GraphicsUtil.RestoreGraphicsState(destinationGraphics, ref basicState);
}
internal static void DrawRangeFlag(Graphics destinationGraphics, ref GraphicsState basicState, InstrumentState instrumentState, Image hsiRangeFlagMaskedImage)
{
//draw the range flag
if (!instrumentState.DmeInvalidFlag)
{
return;
}
GraphicsUtil.RestoreGraphicsState(destinationGraphics, ref basicState);
destinationGraphics.DrawImageFast(hsiRangeFlagMaskedImage, new Point(0, 0));
GraphicsUtil.RestoreGraphicsState(destinationGraphics, ref basicState);
}
internal static void DrawRangeToBeacon(Graphics destinationGraphics, ref GraphicsState basicState, InstrumentState instrumentState, FontGraphic rangeFontGraphic)
{
GraphicsUtil.RestoreGraphicsState(destinationGraphics, ref basicState);
var distanceToBeacon = instrumentState.DistanceToBeaconNauticalMiles;
if (distanceToBeacon > 999.9)
{
distanceToBeacon = 999.9f;
}
var distanceToBeaconString = $"{distanceToBeacon:000.0}";
var distanceToBeaconHundreds = distanceToBeaconString[0];
var distanceToBeaconTens = distanceToBeaconString[1];
var distanceToBeaconOnes = distanceToBeaconString[2];
var distanceToBeaconHundredsImage = rangeFontGraphic.GetCharImage(distanceToBeaconHundreds);
var distanceToBeaconTensImage = rangeFontGraphic.GetCharImage(distanceToBeaconTens);
var distanceToBeaconOnesImage = rangeFontGraphic.GetCharImage(distanceToBeaconOnes);
var currentX = 29;
const int y = 45;
const int spacingPixels = -5;
destinationGraphics.DrawImageFast(distanceToBeaconHundredsImage, new Point(currentX, y));
currentX += distanceToBeaconHundredsImage.Width + spacingPixels;
destinationGraphics.DrawImageFast(distanceToBeaconTensImage, new Point(currentX, y));
currentX += distanceToBeaconTensImage.Width + spacingPixels;
destinationGraphics.DrawImageFast(distanceToBeaconOnesImage, new Point(currentX, y));
GraphicsUtil.RestoreGraphicsState(destinationGraphics, ref basicState);
}
internal static void DrawBearingToBeaconIndicator(
Graphics destinationGraphics, ref GraphicsState basicState, float centerX, float centerY, InstrumentState instrumentState, Image hsiBearingToBeaconNeedleMaskedImage)
{
//draw the bearing to beacon indicator needle
GraphicsUtil.RestoreGraphicsState(destinationGraphics, ref basicState);
destinationGraphics.TranslateTransform(centerX, centerY);
destinationGraphics.RotateTransform(-(instrumentState.MagneticHeadingDegrees - instrumentState.BearingToBeaconDegrees));
destinationGraphics.TranslateTransform(-centerX, -centerY);
destinationGraphics.TranslateTransform(1, 0);
destinationGraphics.DrawImageFast(hsiBearingToBeaconNeedleMaskedImage, new Point(0, 0));
GraphicsUtil.RestoreGraphicsState(destinationGraphics, ref basicState);
}