private void drawPanel_MouseUp(object sender, MouseEventArgs e)
{
if (m_movingOrigin != null && m_selectionPoint != null)
{
var r = DrawingExtension.GetBoundingRectangle(m_movingOrigin.Value, m_selectionPoint.Value);
foreach (var table in m_diagram.Tables)
{
if (!table.HorInterv.Intersection(r.GetHorInterv()).IsEmpty&&
!table.VerInterv.Intersection(r.GetVerInterv()).IsEmpty)
{
if (!m_selectedTables.Contains(table))
{
m_selectedTables.Add(table);
}
}
}
ShowCurrentEntityStyle();
}
m_movingOrigin = null;
m_selectionPoint = null;
drawPanel.Invalidate();
}
private void drawPanel_Paint(object sender, PaintEventArgs e)
{
if (m_denyDraw)
{
return;
}
//if (btnAntiAliasing.Checked)
//{
// e.Graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
// e.Graphics.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAliasGridFit;
//}
//e.Graphics.ScaleTransform(ZoomFactor, ZoomFactor);
//m_diagram.Draw(e.Graphics);
if (Math.Abs(ZoomFactor - 1.0) > 0.01)
{
if (AntiAlias)
{
using (Bitmap bmp = new Bitmap(m_diagram.Size.Width, m_diagram.Size.Height))
{
using (Graphics g = Graphics.FromImage(bmp))
{
m_diagram.Draw(g);
}
//e.Graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
e.Graphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
e.Graphics.DrawImage(bmp, new RectangleF(0, 0, m_diagram.Size.Width * ZoomFactor, m_diagram.Size.Height * ZoomFactor));
}
}
else
{
e.Graphics.ScaleTransform(ZoomFactor, ZoomFactor);
m_diagram.Draw(e.Graphics);
}
}
else
{
m_diagram.Draw(e.Graphics);
}
e.Graphics.ResetTransform();
e.Graphics.ScaleTransform(ZoomFactor, ZoomFactor);
Size newsize = m_diagram.Size;
newsize.Width = (int)(newsize.Width * ZoomFactor);
newsize.Height = (int)(newsize.Height * ZoomFactor);
if (newsize.Height < 1)
{
newsize.Height = 1;
}
if (newsize.Width < 1)
{
newsize.Width = 1;
}
if (newsize != drawPanel.Size)
{
drawPanel.Size = newsize;
}
foreach (var seltbl in m_selectedTables)
{
using (Pen pen = new Pen(drawPanel.Focused ? Brushes.Blue : Brushes.Gray, 3))
{
e.Graphics.DrawRectangle(pen, new Rectangle(seltbl.Location, seltbl.Size));
}
}
if (m_movingOrigin != null && m_selectionPoint != null)
{
using (var pen = new Pen(Color.Black, 1))
{
pen.DashStyle = System.Drawing.Drawing2D.DashStyle.Dot;
var r = DrawingExtension.GetBoundingRectangle(m_movingOrigin.Value, m_selectionPoint.Value);
e.Graphics.DrawRectangle(pen, r);
}
}
bool wantRefresh = false;
foreach (var t in m_diagram.Tables)
{
if (t.MustBePlaced)
{
PlaceTable(t);
wantRefresh = true;
t.MustBePlaced = false;
}
}
if (wantRefresh)
{
drawPanel.Invalidate();
}
}