public override void SaveDrawing(HashSet <Point> mousePositions)
{
var temPoints = new List <IBPoint>();
var mousePointsCount = mousePositions.Count;
for (int i = 0; i < mousePointsCount - 1; i++)
{
var startPoint = mousePositions.ElementAt(i);
var endPoint = mousePositions.ElementAt(i + 1);
var linePoints = _bresenhamLine.GetPointsOnLine(startPoint.X, startPoint.Y, endPoint.X, endPoint.Y);
foreach (var point in linePoints)
{
mousePositions.Add(new Point(point.X, point.Y));
}
}
var finalPoints = new List <IBPoint>();
foreach (var point in mousePositions)
{
finalPoints.Add(new BPoint(point.X, point.Y));
}
var penLine = new PenLine(finalPoints);
_penLines.Add(penLine);
}
public override void PreviewDrawing(HashSet <Point> mousePositions)
{
if (mousePositions.Count == 1)
{
_lastPreviewPoints = new HashSet <IBPoint>();
}
var startPoint = mousePositions.ElementAt(0);
var endPoint = mousePositions.ElementAt(mousePositions.Count - 1);
var linePoints = _bresenhamLine.GetPointsOnLine(startPoint.X, startPoint.Y, endPoint.X, endPoint.Y);
if (mousePositions.Count == 1)
{
_lastPreviewPoints = new HashSet <IBPoint>();
}
foreach (var point in _lastPreviewPoints)
{
_bitmap.SetPixel(point.X, point.Y, point.Color);
}
_lastPreviewPoints = new HashSet <IBPoint>();
var pixelSize = Setting.SelectedPixelSize;
var pixelColor = Setting.SelectedColor;
foreach (var point in linePoints)
{
for (int i = point.X - pixelSize; i < point.X + pixelSize; i++)
{
for (int j = point.Y - pixelSize; j < point.Y + pixelSize; j++)
{
if (CanvasValidator.IsCursorOutsideCanvas(new Point(i, j)))
{
continue;
}
var newPoint = new BPoint(i, j, pixelColor);
var currentPixel = _bitmap.GetPixel(i, j);
var bPoint = new BPoint(i, j, Color.FromArgb(currentPixel.A, currentPixel.R, currentPixel.G, currentPixel.B));
_lastPreviewPoints.Add(bPoint);
_bitmap.SetPixel(newPoint);
}
}
}
}
public override void PreviewDrawing(HashSet <Point> mousePositions)
{
if (mousePositions.Count == 1)
{
_lastPreviewPoints = new HashSet <IBPoint>();
}
foreach (var point in _lastPreviewPoints)
{
_bitmap.SetPixel(point.X, point.Y, point.Color);
}
var startPoint = mousePositions.ElementAt(0);
var endPoint = mousePositions.ElementAt(mousePositions.Count - 1);
var radius = (int)BPoint.GetDistance(startPoint.X, startPoint.Y, endPoint.X, endPoint.Y);
var leftPoint = new BPoint(0, 0);
var rightPoint = new BPoint(0, 0);
//Check if mouse is under start point or above
if (startPoint.Y > endPoint.Y)
{
leftPoint = new BPoint(startPoint.X - radius, startPoint.Y - radius);
rightPoint = new BPoint(startPoint.X + radius, startPoint.Y - radius);
}
else
{
leftPoint = new BPoint(startPoint.X - radius, startPoint.Y + radius);
rightPoint = new BPoint(startPoint.X + radius, startPoint.Y + radius);
}
var pointsFromStartToLeft = _bresenhamLine.GetPointsOnLine(startPoint.X, startPoint.Y, leftPoint.X, leftPoint.Y);
var pointsFromStartToRight = _bresenhamLine.GetPointsOnLine(startPoint.X, startPoint.Y, rightPoint.X, rightPoint.Y);
var pointsFromLeftToRight = _bresenhamLine.GetPointsOnLine(leftPoint.X, leftPoint.Y, rightPoint.X, rightPoint.Y);
var megredPoints = pointsFromStartToLeft.Concat(pointsFromStartToRight);
megredPoints = megredPoints.Concat(pointsFromLeftToRight);
foreach (var point in megredPoints)
{
var pixelSize = Setting.SelectedPixelSize;
var pointX = point.X;
var pointY = point.Y;
for (int i = pointX - pixelSize; i < pointX + pixelSize; i++)
{
for (int j = pointY - pixelSize; j < pointY + pixelSize; j++)
{
if (CanvasValidator.IsCursorOutsideCanvas(new Point(i, j)))
{
continue;
}
var newPoint = new BPoint(i, j, Setting.SelectedColor);
var currentPixel = _bitmap.GetPixel(i, j);
var bPoint = new BPoint(i, j, Color.FromArgb(currentPixel.A, currentPixel.R, currentPixel.G, currentPixel.B));
_lastPreviewPoints.Add(bPoint);
_bitmap.SetPixel(newPoint);
}
}
}
}