private static Rect DetectBottomRightCorner(Bitmap image)
{
var marker = new bool[image.Width, image.Height];
Point p = CommonImageProcessing.FindDifferentColorPoint(new Point(Constant.AS_RIGHT_BORDER, Constant.AS_BOTTOM_BORDER), image, Constant.WHITE, ref marker);
Rect bottomRightRect = CommonImageProcessing.ExpandTheRectBlackPixel(p, image, ref marker);
if (bottomRightRect == null)
{
p = CommonImageProcessing.FindDifferentColorPoint(new Point(Constant.AS_RIGHT_BORDER, Constant.AS_BOTTOM_BORDER), image, Constant.WHITE, ref marker);
bottomRightRect = CommonImageProcessing.ExpandTheRectBlackPixel(p, image, ref marker);
if (bottomRightRect == null)
{
throw new Exception(ErrorUtils.getError(ErrorUtils.CAN_NOT_FIND_THE_TOP_RIGHT_FLAG_RECT, "Can not detect the top right flag rectangle. Tried 2 attempts!!"));
}
else
{
ValidateBottomRightFlagRect(bottomRightRect);
return(bottomRightRect);
}
}
else
{
ValidateBottomRightFlagRect(bottomRightRect);
return(bottomRightRect);
}
}
private static Rect DetectTopRightFlagRect(Bitmap image)
{
//In case the points expanded not match the template rectangle. We need to mark the visited point, so we don't go to these point again
var marker = new bool[image.Width, image.Height];
Point p = CommonImageProcessing.FindDifferentColorPoint(new Point(Constant.AS_RIGHT_BORDER, Constant.AS_TOP_BORDER), image, Constant.WHITE, ref marker);
Rect topRightFlagRect = CommonImageProcessing.ExpandTheRectBlackPixel(p, image, ref marker);
if (topRightFlagRect == null)
{
p = CommonImageProcessing.FindDifferentColorPoint(new Point(Constant.AS_RIGHT_BORDER, Constant.AS_TOP_BORDER), image, Constant.WHITE, ref marker);
topRightFlagRect = CommonImageProcessing.ExpandTheRectBlackPixel(p, image, ref marker);
if (topRightFlagRect == null)
{
throw new Exception(ErrorUtils.getError(ErrorUtils.CAN_NOT_FIND_THE_TOP_RIGHT_FLAG_RECT, "Can not detect the top right flag rectangle. Tried 2 attempts!!"));
}
else
{
ValidateTopRightFlagRect(topRightFlagRect);
return(topRightFlagRect);
}
}
else
{
ValidateTopRightFlagRect(topRightFlagRect);
return(topRightFlagRect);
}
}