private static void LoadImageResources()
{
if (_hsiBackground == null)
{
_hsiBackground = ImageMaskPair.CreateFromFiles(
IMAGES_FOLDER_NAME + Path.DirectorySeparatorChar + HSI_BACKGROUND_IMAGE_FILENAME, IMAGES_FOLDER_NAME + Path.DirectorySeparatorChar + HSI_BACKGROUND_MASK_FILENAME);
}
if (_hsiBearingToBeaconNeedle == null)
{
_hsiBearingToBeaconNeedle = ImageMaskPair.CreateFromFiles(
IMAGES_FOLDER_NAME + Path.DirectorySeparatorChar + HSI_BEARING_TO_BEACON_NEEDLE_IMAGE_FILENAME,
IMAGES_FOLDER_NAME + Path.DirectorySeparatorChar + HSI_BEARING_TO_BEACON_NEEDLE_MASK_FILENAME);
_hsiBearingToBeaconNeedle.Use1BitAlpha = true;
}
if (_hsiCDIFlag == null)
{
_hsiCDIFlag = ImageMaskPair.CreateFromFiles(
IMAGES_FOLDER_NAME + Path.DirectorySeparatorChar + HSI_CDI_FLAG_IMAGE_FILENAME, IMAGES_FOLDER_NAME + Path.DirectorySeparatorChar + HSI_CDI_FLAG_MASK_FILENAME);
_hsiCDIFlag.Use1BitAlpha = true;
}
if (_compassRose == null)
{
_compassRose = ImageMaskPair.CreateFromFiles(
IMAGES_FOLDER_NAME + Path.DirectorySeparatorChar + HSI_COMPASS_ROSE_IMAGE_FILENAME, IMAGES_FOLDER_NAME + Path.DirectorySeparatorChar + HSI_COMPASS_ROSE_MASK_FILENAME);
}
if (_hsiCourseDeviationIndicator == null)
{
_hsiCourseDeviationIndicator = ImageMaskPair.CreateFromFiles(
IMAGES_FOLDER_NAME + Path.DirectorySeparatorChar + HSI_COURSE_DEVIATION_INDICATOR_IMAGE_FILENAME,
IMAGES_FOLDER_NAME + Path.DirectorySeparatorChar + HSI_COURSE_DEVIATION_INDICATOR_MASK_FILENAME);
_hsiCourseDeviationIndicator.Use1BitAlpha = true;
}
if (_hsiHeadingBug == null)
{
_hsiHeadingBug = ImageMaskPair.CreateFromFiles(
IMAGES_FOLDER_NAME + Path.DirectorySeparatorChar + HSI_HEADING_BUG_IMAGE_FILENAME, IMAGES_FOLDER_NAME + Path.DirectorySeparatorChar + HSI_HEADING_BUG_MASK_FILENAME);
_hsiHeadingBug.Use1BitAlpha = true;
}
if (_hsiInnerWheel == null)
{
_hsiInnerWheel = ImageMaskPair.CreateFromFiles(
IMAGES_FOLDER_NAME + Path.DirectorySeparatorChar + HSI_INNER_WHEEL_IMAGE_FILENAME, IMAGES_FOLDER_NAME + Path.DirectorySeparatorChar + HSI_INNER_WHEEL_MASK_FILENAME);
}
if (_airplaneSymbol == null)
{
_airplaneSymbol = ImageMaskPair.CreateFromFiles(
IMAGES_FOLDER_NAME + Path.DirectorySeparatorChar + HSI_AIRPLANE_SYMBOL_IMAGE_FILENAME, IMAGES_FOLDER_NAME + Path.DirectorySeparatorChar + HSI_AIRPLANE_SYMBOL_MASK_FILENAME);
_airplaneSymbol.Use1BitAlpha = true;
}
if (_hsiRangeFlag == null)
{
_hsiRangeFlag = ImageMaskPair.CreateFromFiles(
IMAGES_FOLDER_NAME + Path.DirectorySeparatorChar + HSI_RANGE_FLAG_IMAGE_FILENAME, IMAGES_FOLDER_NAME + Path.DirectorySeparatorChar + HSI_RANGE_FLAG_MASK_FILENAME);
_hsiRangeFlag.Use1BitAlpha = true;
}
if (_toFlag == null)
{
_toFlag = ImageMaskPair.CreateFromFiles(
IMAGES_FOLDER_NAME + Path.DirectorySeparatorChar + HSI_TO_FLAG_IMAGE_FILENAME, IMAGES_FOLDER_NAME + Path.DirectorySeparatorChar + HSI_TO_FLAG_MASK_FILENAME);
_toFlag.Use1BitAlpha = true;
}
if (_fromFlag == null)
{
_fromFlag = ImageMaskPair.CreateFromFiles(
IMAGES_FOLDER_NAME + Path.DirectorySeparatorChar + HSI_FROM_FLAG_IMAGE_FILENAME, IMAGES_FOLDER_NAME + Path.DirectorySeparatorChar + HSI_FROM_FLAG_MASK_FILENAME);
_fromFlag.Use1BitAlpha = true;
}
if (_hsiOffFlag == null)
{
_hsiOffFlag = ImageMaskPair.CreateFromFiles(
IMAGES_FOLDER_NAME + Path.DirectorySeparatorChar + HSI_OFF_FLAG_IMAGE_FILENAME, IMAGES_FOLDER_NAME + Path.DirectorySeparatorChar + HSI_OFF_FLAG_MASK_FILENAME);
}
if (_rangeFont == null)
{
_rangeFont = new FontGraphic(IMAGES_FOLDER_NAME + Path.DirectorySeparatorChar + HSI_RANGE_FONT_FILENAME);
}
_imagesLoaded = true;
}
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 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);
}
