public bool OnMouseUp(MouseEventArgs e)
{
if (selectionRectangle.Width > 0 && selectionRectangle.Height > 0)
{
Bitmap src = (Bitmap)mainScene.GetRootImage();
Bitmap target = new Bitmap(selectionRectangle.Width, selectionRectangle.Height);
using (Graphics g = Graphics.FromImage(target))
{
g.DrawImage(src, new Rectangle(0, 0, target.Width, target.Height), selectionRectangle, GraphicsUnit.Pixel);
g.Save();
}
Rectangle targetImageRect = new Rectangle(new Point(0, 0), selectionRectangle.Size);
for (int y = 0; y < target.Height; y++)
{
for (int x = 0; x < target.Width; x++)
{
if (!IsInsideEllipse(targetImageRect, new Point(x, y)))
{
target.SetPixel(x, y, Color.Transparent);
}
}
}
int yStart = selectionRectangle.Location.Y;
int yEnd = selectionRectangle.Location.Y + selectionRectangle.Height;
int xStart = selectionRectangle.Location.X;
int xEnd = selectionRectangle.Location.X + selectionRectangle.Width;
if (yStart < 0)
{
yStart = 0;
}
if (xStart < 0)
{
xStart = 0;
}
if (yEnd > src.Height)
{
yEnd = src.Height;
}
if (xEnd > src.Width)
{
xEnd = src.Width;
}
/*for (int y = yStart; y < yEnd; y++)
* for (int x = xStart; x < xEnd; x++)
* if (IsInsideEllipse(selectionRectangle, new Point(x, y)))
* src.SetPixel(x, y, Color.White);*/
Point p = new Point(selectionRectangle.Left, selectionRectangle.Top);
Data.Segment segm = new Data.Segment(target, p);
segm.selectionStrategy = this;
mainScene.AddSegment(segm);
image = segm.image;
segmentIndex = mainScene.GetSegmentCount() - 1;
}
return(true);
}
public bool OnMouseUp(MouseEventArgs e)
{
if (selectionRectangle.Width > 0 && selectionRectangle.Height > 0)
{
Bitmap src = (Bitmap)mainScene.GetRootImage();
Bitmap target = new Bitmap(selectionRectangle.Width, selectionRectangle.Height);
using (Graphics g = Graphics.FromImage(target))
{
g.DrawImage(src, new Rectangle(0, 0, target.Width, target.Height), selectionRectangle, GraphicsUnit.Pixel);
g.Save();
}
/*using (Graphics g = Graphics.FromImage(src))
* {
* g.FillRectangle(Brushes.White, selectionRectangle);
* g.Save();
* }*/
Point p = new Point(selectionRectangle.Left, selectionRectangle.Top);
Data.Segment segm = new Data.Segment(target, p);
segm.selectionStrategy = this;
mainScene.AddSegment(segm);
segmentIndex = mainScene.GetSegmentCount() - 1;
}
return(true);
}
private void CutElement()
{
Bitmap src = (Bitmap)mainScene.GetRootImage();
int leftX = src.Width;
int rightX = 0;
int topY = src.Height;
int bottomY = 0;
foreach (Point po in points)
{
if (po.X < leftX)
{
leftX = po.X;
}
if (po.X > rightX)
{
rightX = po.X;
}
if (po.Y < topY)
{
topY = po.Y;
}
if (po.Y > bottomY)
{
bottomY = po.Y;
}
}
Rectangle selectionRectangle = new Rectangle(leftX, topY, rightX - leftX, bottomY - topY);
Bitmap target = new Bitmap(selectionRectangle.Width, selectionRectangle.Height);
using (Graphics g = Graphics.FromImage(target))
{
g.DrawImage(src, new Rectangle(0, 0, target.Width, target.Height), selectionRectangle, GraphicsUnit.Pixel);
g.Save();
}
newPoints = new Point[points.Count];
for (int i = 0; i < points.Count; i++)
{
newPoints[i] = new Point(points[i].X - selectionRectangle.Location.X, points[i].Y - selectionRectangle.Location.Y);
}
for (int y = 0; y < target.Height; y++)
{
for (int x = 0; x < target.Width; x++)
{
if (!IsInPolygon(newPoints, new Point(x, y)))
{
target.SetPixel(x, y, Color.Transparent);
}
}
}
int yStart = selectionRectangle.Location.Y;
int yEnd = selectionRectangle.Location.Y + selectionRectangle.Height;
int xStart = selectionRectangle.Location.X;
int xEnd = selectionRectangle.Location.X + selectionRectangle.Width;
/*for (int y = yStart; y < yEnd; y++)
* for (int x = xStart; x < xEnd; x++)
* if (IsInPolygon(points.ToArray(), new Point(x, y)))
* src.SetPixel(x, y, Color.White);*/
Point p = new Point(selectionRectangle.Left, selectionRectangle.Top);
Data.Segment segm = new Data.Segment(target, p);
segm.selectionStrategy = this;
mainScene.AddSegment(segm);
segmentIndex = mainScene.GetSegmentCount() - 1;
}