public WindowsPen(DeviceContext dc, WindowsPenStyle style, int width, WindowsBrush windowsBrush)
{
this.style = style;
this.wndBrush = (WindowsBrush) windowsBrush.Clone();
this.width = width;
this.color = windowsBrush.Color;
this.dc = dc;
}
private static void DrawAndFillEllipse(WindowsGraphics wg, WindowsPen borderPen, WindowsBrush fieldBrush, Rectangle bounds)
{
if (wg != null)
{
wg.FillRectangle(fieldBrush, new Rectangle(bounds.X + 2, bounds.Y + 2, 8, 8));
wg.FillRectangle(fieldBrush, new Rectangle(bounds.X + 4, bounds.Y + 1, 4, 10));
wg.FillRectangle(fieldBrush, new Rectangle(bounds.X + 1, bounds.Y + 4, 10, 4));
wg.DrawLine(borderPen, new Point(bounds.X + 4, bounds.Y), new Point(bounds.X + 8, bounds.Y));
wg.DrawLine(borderPen, new Point(bounds.X + 4, bounds.Y + 11), new Point(bounds.X + 8, bounds.Y + 11));
wg.DrawLine(borderPen, new Point(bounds.X + 2, bounds.Y + 1), new Point(bounds.X + 4, bounds.Y + 1));
wg.DrawLine(borderPen, new Point(bounds.X + 8, bounds.Y + 1), new Point(bounds.X + 10, bounds.Y + 1));
wg.DrawLine(borderPen, new Point(bounds.X + 2, bounds.Y + 10), new Point(bounds.X + 4, bounds.Y + 10));
wg.DrawLine(borderPen, new Point(bounds.X + 8, bounds.Y + 10), new Point(bounds.X + 10, bounds.Y + 10));
wg.DrawLine(borderPen, new Point(bounds.X, bounds.Y + 4), new Point(bounds.X, bounds.Y + 8));
wg.DrawLine(borderPen, new Point(bounds.X + 11, bounds.Y + 4), new Point(bounds.X + 11, bounds.Y + 8));
wg.DrawLine(borderPen, new Point(bounds.X + 1, bounds.Y + 2), new Point(bounds.X + 1, bounds.Y + 4));
wg.DrawLine(borderPen, new Point(bounds.X + 1, bounds.Y + 8), new Point(bounds.X + 1, bounds.Y + 10));
wg.DrawLine(borderPen, new Point(bounds.X + 10, bounds.Y + 2), new Point(bounds.X + 10, bounds.Y + 4));
wg.DrawLine(borderPen, new Point(bounds.X + 10, bounds.Y + 8), new Point(bounds.X + 10, bounds.Y + 10));
}
}
// Helper method to overcome the poor GDI ellipse drawing routine
// VSWhidbey #334097
private static void DrawAndFillEllipse(WindowsGraphics wg, WindowsPen borderPen, WindowsBrush fieldBrush, Rectangle bounds)
{
Debug.Assert(wg != null,"Calling DrawAndFillEllipse with null wg");
if (wg == null) {
return;
}
wg.FillRectangle(fieldBrush, new Rectangle(bounds.X + 2, bounds.Y + 2, 8, 8));
wg.FillRectangle(fieldBrush, new Rectangle(bounds.X + 4, bounds.Y + 1, 4, 10));
wg.FillRectangle(fieldBrush, new Rectangle(bounds.X + 1, bounds.Y + 4, 10, 4));
wg.DrawLine(borderPen, new Point(bounds.X + 4, bounds.Y + 0), new Point(bounds.X + 8, bounds.Y + 0));
wg.DrawLine(borderPen, new Point(bounds.X + 4, bounds.Y + 11), new Point(bounds.X + 8, bounds.Y + 11));
wg.DrawLine(borderPen, new Point(bounds.X + 2, bounds.Y + 1), new Point(bounds.X + 4, bounds.Y + 1));
wg.DrawLine(borderPen, new Point(bounds.X + 8, bounds.Y + 1), new Point(bounds.X + 10, bounds.Y + 1));
wg.DrawLine(borderPen, new Point(bounds.X + 2, bounds.Y + 10), new Point(bounds.X + 4, bounds.Y + 10));
wg.DrawLine(borderPen, new Point(bounds.X + 8, bounds.Y + 10), new Point(bounds.X + 10, bounds.Y + 10));
wg.DrawLine(borderPen, new Point(bounds.X + 0, bounds.Y + 4), new Point(bounds.X + 0, bounds.Y + 8));
wg.DrawLine(borderPen, new Point(bounds.X + 11, bounds.Y + 4), new Point(bounds.X + 11, bounds.Y + 8));
wg.DrawLine(borderPen, new Point(bounds.X + 1, bounds.Y + 2), new Point(bounds.X + 1, bounds.Y + 4));
wg.DrawLine(borderPen, new Point(bounds.X + 1, bounds.Y + 8), new Point(bounds.X + 1, bounds.Y + 10));
wg.DrawLine(borderPen, new Point(bounds.X + 10, bounds.Y + 2), new Point(bounds.X + 10, bounds.Y + 4));
wg.DrawLine(borderPen, new Point(bounds.X + 10, bounds.Y + 8), new Point(bounds.X + 10, bounds.Y + 10));
}
// the DataGridViewButtonCell uses this method
internal static void PaintButtonBackground(WindowsGraphics wg, Rectangle bounds, WindowsBrush background) {
wg.FillRectangle(background, bounds);
}
private void DrawEllipse(WindowsPen pen, WindowsBrush brush, int nLeftRect, int nTopRect, int nRightRect, int nBottomRect)
{
HandleRef hdc = new HandleRef(this.dc, this.dc.Hdc);
if (pen != null)
{
IntUnsafeNativeMethods.SelectObject(hdc, new HandleRef(pen, pen.HPen));
}
if (brush != null)
{
IntUnsafeNativeMethods.SelectObject(hdc, new HandleRef(brush, brush.HBrush));
}
IntUnsafeNativeMethods.Ellipse(hdc, nLeftRect, nTopRect, nRightRect, nBottomRect);
}
public void DrawAndFillEllipse(WindowsPen pen, WindowsBrush brush, Rectangle bounds)
{
this.DrawEllipse(pen, brush, bounds.Left, bounds.Top, bounds.Right, bounds.Bottom);
}
public void FillRectangle(WindowsBrush brush, int x, int y, int width, int height)
{
HandleRef hDC = new HandleRef(this.dc, this.dc.Hdc);
IntPtr hBrush = brush.HBrush;
IntNativeMethods.RECT rect = new IntNativeMethods.RECT(x, y, x + width, y + height);
IntUnsafeNativeMethods.FillRect(hDC, ref rect, new HandleRef(brush, hBrush));
}
public void FillRectangle(WindowsBrush brush, Rectangle rect)
{
this.FillRectangle(brush, rect.X, rect.Y, rect.Width, rect.Height);
}
public void DrawAndFillEllipse(WindowsPen pen, WindowsBrush brush, Rectangle bounds) => DrawEllipse(pen, brush, bounds.Left, bounds.Top, bounds.Right, bounds.Bottom);
// FillRectangle overloads
public void FillRectangle(WindowsBrush brush, Rectangle rect)
{
FillRectangle(brush, rect.X, rect.Y, rect.Width, rect.Height);
}
public WindowsPen(DeviceContext dc, WindowsBrush windowsBrush) : this(dc, WindowsPenStyle.Cosmetic, 1, windowsBrush)
{
}
private void Dispose(bool disposing)
{
if ((this.nativeHandle != IntPtr.Zero) && (this.dc != null))
{
this.dc.DeleteObject(this.nativeHandle, GdiObjectType.Pen);
this.nativeHandle = IntPtr.Zero;
}
if (this.wndBrush != null)
{
this.wndBrush.Dispose();
this.wndBrush = null;
}
if (disposing)
{
GC.SuppressFinalize(this);
}
}
public WindowsPen(DeviceContext dc, WindowsBrush windowsBrush) : this(dc, WindowsPenStyle.Cosmetic, 1, windowsBrush)
{
}
public WindowsPen(DeviceContext dc, WindowsBrush windowsBrush) :
this(dc, default, CosmeticPenWidth, windowsBrush)
{
}
