private void pictureBox1_MouseMove(object sender, MouseEventArgs e)
{
if (_bDrawing == true)
{
return;
}
if (e.Button == MouseButtons.None)
{
label1.Text = "X=" + e.X + " Y=" + e.Y + " Pixel Value=" + " " + _imageBitMap.GetPixel(e.X, e.Y);
}
else
{
if ((e.Button == MouseButtons.Left) && (_xLeft > -1) && (_yUp > -1))
{
// Create pen.
_graphicState = _graphic.Save();
pictureBox1.Image = (Image)_imageBitMap;
// Draw rectangle to screen.
_Rectangle._second._nX = e.X;
_Rectangle._second._nY = e.Y;
_Rectangle.Draw(_graphic, Color.Green, new Pen(Color.Green, 5));
label1.Text = "Draw Rectangle: X1 = " + Convert.ToString(_Rectangle._first._nX) + ", Y1 = " + Convert.ToString(_Rectangle._first._nY)
+ ", X2 = " + Convert.ToString(e.X) + ", Y2 = " + Convert.ToString(e.Y);
}
}
}
private void pictureBoxMain_MouseClick(object sender, MouseEventArgs e)
{
// Only left button can be used
if (e.Button != MouseButtons.Left)
{
// Check if right button has been pressed
if (e.Button == MouseButtons.Right)
{
if (_nNumMouseSingleClick >= 1)
{
switch (_currentObject)
{
case EOBJECT_DRAW.ELINE_OBJECT:
_Line._second._nX = e.X;
_Line._second._nY = e.Y;
_Line.Draw(_Graphics, Color.White);
break;
case EOBJECT_DRAW.ERECTANGLE_BORDER_OBJECT:
_Rectangle._second._nX = e.X;
_Rectangle._second._nY = e.Y;
_Rectangle.Draw(_Graphics, Color.White);
break;
case EOBJECT_DRAW.ERECTANGLE_FILLER_OBJECT:
_RectangleFiller._second._nX = e.X;
_RectangleFiller._second._nY = e.Y;
_RectangleFiller.Draw(_Graphics, Color.White);
break;
case EOBJECT_DRAW.ECIRCLE_OBJECT:
_Circle._nRange = Math.Max(Math.Abs(_Circle._nCenterX - e.X), Math.Abs(_Circle._nCenterY - e.Y));
_Circle.Draw(_Graphics, Color.White);
break;
}
ResetCurrentActionLabel();
_currentObject = EOBJECT_DRAW.EUNDEFINED_OBJECT;
}
else
{
_mouseSingleClickDown._nX = e.X;
_mouseSingleClickDown._nY = e.Y;
contextMenuStrip1.Show(Cursor.Position.X, Cursor.Position.Y);
}
}
return;
}
_nNumMouseSingleClick++;
_mouseSingleClickDown._nX = e.X;
_mouseSingleClickDown._nY = e.Y;
// Look action to do
switch (_currentObject)
{
case EOBJECT_DRAW.ELINE_OBJECT:
if (_nNumMouseSingleClick == 1)
{
_Line._first._nX = e.X;
_Line._first._nY = e.Y;
ShowCurrentActionLabel("Draw Line: X1 = " + Convert.ToString(_Line._first._nX) + ", Y1 = " + Convert.ToString(_Line._first._nY));
}
else if (_nNumMouseSingleClick == 2)
{
_Line._second._nX = e.X;
_Line._second._nY = e.Y;
_Line.Draw(_Graphics);
// Add element
_Container.AddLine(_Line, treeViewObjects);
ResetCurrentActionLabel();
_currentObject = EOBJECT_DRAW.EUNDEFINED_OBJECT;
}
break;
case EOBJECT_DRAW.ERECTANGLE_BORDER_OBJECT:
if (_nNumMouseSingleClick == 1)
{
_Rectangle._first._nX = e.X;
_Rectangle._first._nY = e.Y;
ShowCurrentActionLabel("Draw Rectangle: X1 = " + Convert.ToString(_Rectangle._first._nX) + ", Y1 = " + Convert.ToString(_Rectangle._first._nY));
}
else if (_nNumMouseSingleClick == 2)
{
_Rectangle._second._nX = e.X;
_Rectangle._second._nY = e.Y;
_Rectangle.Draw(_Graphics);
// Add element
_Container.AddRectangle(_Rectangle, treeViewObjects);
ResetCurrentActionLabel();
_currentObject = EOBJECT_DRAW.EUNDEFINED_OBJECT;
}
break;
case EOBJECT_DRAW.ERECTANGLE_FILLER_OBJECT:
if (_nNumMouseSingleClick == 1)
{
_RectangleFiller._first._nX = e.X;
_RectangleFiller._first._nY = e.Y;
ShowCurrentActionLabel("Fill Rectangle: X1 = " + Convert.ToString(_RectangleFiller._first._nX) + ", Y1 = " + Convert.ToString(_RectangleFiller._first._nY));
}
else if (_nNumMouseSingleClick == 2)
{
_RectangleFiller._second._nX = e.X;
_RectangleFiller._second._nY = e.Y;
_RectangleFiller.Draw(_Graphics);
// Add element
_Container.AddRectangleFill(_RectangleFiller, treeViewObjects);
ResetCurrentActionLabel();
_currentObject = EOBJECT_DRAW.EUNDEFINED_OBJECT;
}
break;
case EOBJECT_DRAW.ECIRCLE_OBJECT:
if (_nNumMouseSingleClick == 1)
{
_Circle._nCenterX = e.X;
_Circle._nCenterY = e.Y;
if (_Circle._bIsFill == false)
{
ShowCurrentActionLabel("Draw Circle: Center X = " + Convert.ToString(_Circle._nCenterX) + ", Center Y = " + Convert.ToString(_Circle._nCenterY));
}
else
{
ShowCurrentActionLabel("Fill Circle: Center X = " + Convert.ToString(_Circle._nCenterX) + ", Center Y = " + Convert.ToString(_Circle._nCenterY));
}
}
else if (_nNumMouseSingleClick == 2)
{
_Circle._nRange = Math.Max(Math.Abs(_Circle._nCenterX - e.X), Math.Abs(_Circle._nCenterY - e.Y));
_Circle.Draw(_Graphics);
// Add element
_Container.AddCircle(_Circle, treeViewObjects);
ResetCurrentActionLabel();
_currentObject = EOBJECT_DRAW.EUNDEFINED_OBJECT;
}
break;
}
}