private void buttonOpen_Click(object sender, EventArgs e)
{
OpenFileDialog opendialog = new OpenFileDialog();
opendialog.Filter = "Image files (*.TXT)| *.txt";
if (opendialog.ShowDialog() == DialogResult.OK)
{
FileStream file1 = new FileStream(opendialog.FileName, FileMode.Open); //создаем файловый поток
StreamReader reader = new StreamReader(file1); // создаем «потоковый читатель» и связываем его с файловым потоком
while (reader.Peek() >= 0)
{
string str = reader.ReadLine();
switch (str[0])
{
case 'L':
{
Line l = new Line();
l.Deserialize(str);
listOfGraphObjects.Add(l);
break;
}
case 'P':
{
PolyLine l = new PolyLine();
l.Deserialize(str);
listOfGraphObjects.Add(l);
break;
}
case 'M':
{
Polygon l = new Polygon();
l.Deserialize(str);
listOfGraphObjects.Add(l);
break;
}
case 'R':
{
Rectangle l = new Rectangle();
l.Deserialize(str);
listOfGraphObjects.Add(l);
break;
}
case 'E':
{
Ellipse l = new Ellipse();
l.Deserialize(str);
listOfGraphObjects.Add(l);
break;
}
case 'C':
{
Circle l = new Circle();
l.Deserialize(str);
listOfGraphObjects.Add(l);
break;
}
case 'T':
{
Text l = new Text();
l.Deserialize(str);
listOfGraphObjects.Add(l);
break;
}
case 'B':
{
Bezier l = new Bezier();
l.Deserialize(str);
listOfGraphObjects.Add(l);
break;
}
}
}
PaintObjects();
}
}
private void CheckGraphObject(bool bFlush)
{
switch (tool)
{
case ObjectType.Line:
if (listOfPoints.Count == 2)
{
Line l = new Line(listOfPoints[0], listOfPoints[1]);
listOfPoints.Clear();
AddGraphObject(l);
}
break;
case ObjectType.PolyLine:
if (bFlush && (listOfPoints.Count >= 2))
{
PolyLine p = new PolyLine(listOfPoints);
listOfPoints.Clear();
AddGraphObject(p);
}
break;
case ObjectType.Rectangle:
if (listOfPoints.Count == 2)
{
w = Math.Abs(listOfPoints[0].X - listOfPoints[1].X);
h = Math.Abs(listOfPoints[0].Y - listOfPoints[1].Y);
Rectangle r = new Rectangle(listOfPoints[0], w, h);
listOfPoints.Clear();
AddGraphObject(r);
}
break;
case ObjectType.Polygon:
if (bFlush && (listOfPoints.Count > 2))
{
Polygon p = new Polygon(listOfPoints);
listOfPoints.Clear();
AddGraphObject(p);
}
break;
case ObjectType.Circle:
if (listOfPoints.Count == 2)
{
if (Math.Abs(listOfPoints[1].X) > Math.Abs(listOfPoints[1].Y))
{
h = Math.Abs(listOfPoints[0].Y - listOfPoints[1].Y);
w = h;
}
else
{
w = Math.Abs(listOfPoints[0].X - listOfPoints[1].X);
h = w;
}
Ellipse c = new Ellipse(listOfPoints[0], w, h);
listOfPoints.Clear();
AddGraphObject(c);
}
break;
case ObjectType.Ellipse:
if (listOfPoints.Count == 2)
{
if (Math.Abs(listOfPoints[1].X) > Math.Abs(listOfPoints[1].Y))
{
h = Math.Abs(listOfPoints[0].Y - listOfPoints[1].Y);
w = Math.Abs(listOfPoints[0].X - listOfPoints[1].X);
}
else
{
w = Math.Abs(listOfPoints[0].X - listOfPoints[1].X);
h = Math.Abs(listOfPoints[0].Y - listOfPoints[1].Y);
}
Ellipse el = new Ellipse(listOfPoints[0], w, h);
listOfPoints.Clear();
AddGraphObject(el);
}
break;
case ObjectType.Text:
if (listOfPoints.Count == 1)
{
Text t = new Text(listOfPoints[0]);
listOfPoints.Clear();
AddGraphObject(t);
}
break;
case ObjectType.Bezier:
if (listOfPoints.Count == 4)
{
Bezier b = new Bezier(listOfPoints);
listOfPoints.Clear();
AddGraphObject(b);
}
break;
}
}
private void PaintObjects()
{
Bitmap bmp = new Bitmap(@"Blank.bmp", true);
Graphics gr = Graphics.FromImage(bmp);
foreach (GraphObject obj in listOfGraphObjects)
{
obj.Paint(gr);
}
switch (tool)
{
case ObjectType.Line:
if (listOfPoints.Count > 0)
{
Line l = new Line(listOfPoints[0], curentPoint);
l.PenColor = ContourColor;
l.Transparancy = (byte)trackBarTransparancy.Value;
l.PenWidth = (float)trackBarWidth.Value;
l.Transparancy = (byte)trackBarTransparancy.Value;
l.Paint(gr);
}
break;
case ObjectType.PolyLine:
if ((listOfPoints.Count == 1))
{
Line l = new Line(listOfPoints[0], curentPoint);
l.PenColor = ContourColor;
l.Transparancy = (byte)trackBarTransparancy.Value;
l.PenWidth = (float)trackBarWidth.Value;
l.Transparancy = (byte)trackBarTransparancy.Value;
l.Paint(gr);
}
if ((listOfPoints.Count > 1))
{
if (listOfPoints[listOfPoints.Count - 1] == mouseDown)
{
listOfPoints.RemoveAt(listOfPoints.Count - 1);
curentPoint = mouseDown;
}
PolyLine p = new PolyLine(listOfPoints);
Line l = new Line(listOfPoints[listOfPoints.Count - 1], curentPoint);
p.PenColor = ContourColor;
p.Transparancy = (byte)trackBarTransparancy.Value;
p.PenWidth = (float)trackBarWidth.Value;
p.Transparancy = (byte)trackBarTransparancy.Value;
l.PenColor = ContourColor;
l.Transparancy = (byte)trackBarTransparancy.Value;
l.PenWidth = (float)trackBarWidth.Value;
l.Transparancy = (byte)trackBarTransparancy.Value;
l.Paint(gr);
p.Paint(gr);
}
break;
case ObjectType.Rectangle:
if (listOfPoints.Count > 0)
{
if (listOfPoints.Count > 0)
{
Rectangle r = new Rectangle(listOfPoints[0], Math.Abs(listOfPoints[0].X - curentPoint.X), Math.Abs(listOfPoints[0].Y - curentPoint.Y));
r.PenColor = ContourColor;
r.BrushColor = BackColor;
r.PenWidth = (float)trackBarWidth.Value;
r.Transparancy = (byte)trackBarTransparancy.Value;
r.Paint(gr);
}
}
break;
case ObjectType.Polygon:
if ((listOfPoints.Count == 1))
{
Line l = new Line(listOfPoints[0], curentPoint);
l.PenColor = ContourColor;
l.Transparancy = (byte)trackBarTransparancy.Value;
l.PenWidth = (float)trackBarWidth.Value;
l.Transparancy = (byte)trackBarTransparancy.Value;
l.Paint(gr);
}
if ((listOfPoints.Count > 1))
{
if (listOfPoints[listOfPoints.Count - 1] == mouseDown)
{
listOfPoints.RemoveAt(listOfPoints.Count - 1);
curentPoint = mouseDown;
}
if ((listOfPoints[listOfPoints.Count - 1].X <= listOfPoints[0].X + 3) &&
(listOfPoints[listOfPoints.Count - 1].X >= listOfPoints[0].X - 3) &&
(listOfPoints[listOfPoints.Count - 1].Y <= listOfPoints[0].Y + 3) &&
(listOfPoints[listOfPoints.Count - 1].Y >= listOfPoints[0].Y - 3))
{
listOfPoints.RemoveAt(listOfPoints.Count - 1);
CheckGraphObject(true);
listOfPoints.Clear();
}
else
{
PolyLine p = new PolyLine(listOfPoints);
Line l = new Line(listOfPoints[listOfPoints.Count - 1], curentPoint);
p.PenColor = ContourColor;
p.Transparancy = (byte)trackBarTransparancy.Value;
p.PenWidth = (float)trackBarWidth.Value;
p.Transparancy = (byte)trackBarTransparancy.Value;
l.PenColor = ContourColor;
l.Transparancy = (byte)trackBarTransparancy.Value;
l.PenWidth = (float)trackBarWidth.Value;
l.Transparancy = (byte)trackBarTransparancy.Value;
l.Paint(gr);
p.Paint(gr);
}
}
break;
case ObjectType.Circle:
if (listOfPoints.Count > 0)
{
if (Math.Abs(curentPoint.X) > Math.Abs(curentPoint.Y))
{
h = Math.Abs(listOfPoints[0].Y - curentPoint.Y);
w = h;
}
else
{
w = Math.Abs(listOfPoints[0].X - curentPoint.X);
h = w;
}
Ellipse c = new Ellipse(listOfPoints[0], w, h);
c.PenColor = ContourColor;
c.BrushColor = BackColor;
c.Transparancy = (byte)trackBarTransparancy.Value;
c.PenWidth = (float)trackBarWidth.Value;
c.Transparancy = (byte)trackBarTransparancy.Value;
c.Paint(gr);
}
break;
case ObjectType.Ellipse:
if (listOfPoints.Count > 0)
{
if (Math.Abs(curentPoint.X) > Math.Abs(curentPoint.Y))
{
h = Math.Abs(listOfPoints[0].Y - curentPoint.Y);
w = Math.Abs(listOfPoints[0].X - curentPoint.X);
}
else
{
w = Math.Abs(listOfPoints[0].X - curentPoint.X);
h = Math.Abs(listOfPoints[0].Y - curentPoint.Y);
}
Ellipse el = new Ellipse(listOfPoints[0], w, h);
el.PenColor = ContourColor;
el.BrushColor = BackColor;
el.Transparancy = (byte)trackBarTransparancy.Value;
el.PenWidth = (float)trackBarWidth.Value;
el.Transparancy = (byte)trackBarTransparancy.Value;
el.Paint(gr);
}
break;
case ObjectType.Text:
if (listOfPoints.Count > 0)
{
Text t = new Text(listOfPoints[0]);
t.TextColor = TextColor;
t.Transparancy = (byte)trackBarTransparancy.Value;
t.text = s;
t.myFont = font1;
t.Paint(gr);
listOfPoints.Clear();
}
break;
case ObjectType.Bezier:
if (listOfPoints.Count == 4)
{
Bezier b = new Bezier(listOfPoints);
b.PenColor = ContourColor;
b.Transparancy = (byte)trackBarTransparancy.Value;
b.PenWidth = (float)trackBarWidth.Value;
b.Transparancy = (byte)trackBarTransparancy.Value;
b.Paint(gr);
}
break;
}
pictureBox1.Image = bmp;
}