// FillRectangle overloads
/// <include file='doc\WindowsGraphics.uex' path='docs/doc[@for="WindowsGraphics.FillRectangle"]/*' />
public void FillRectangle(WindowsBrush brush, Rectangle rect)
{
FillRectangle(brush, rect.X, rect.Y, rect.Width, rect.Height);
}
/// <include file='doc\WindowsGraphics.uex' path='docs/doc[@for="WindowsGraphics.FillRectangle3"]/*' />
public void FillRectangle(WindowsBrush brush, int x, int y, int width, int height)
{
Debug.Assert( brush != null, "brush == null" );
HandleRef hdc = new HandleRef(this.dc, this.dc.Hdc);
IntPtr hBrush = brush.HBrush; // We don't delete this handle since we didn't create it.
IntNativeMethods.RECT rect = new IntNativeMethods.RECT(x, y, x + width, y + height );
#if WINFORMS_PUBLIC_GRAPHICS_LIBRARY
if (brush is WindowsHatchBrush)
{
int clr = ColorTranslator.ToWin32(((WindowsHatchBrush)brush).BackGroundColor);
IntUnsafeNativeMethods.SetBkColor(hdc, clr );
IntUnsafeNativeMethods.SetBkMode(hdc, (int)DeviceContextBackgroundMode.Transparent);
}
#endif
IntUnsafeNativeMethods.FillRect(hdc, ref rect, new HandleRef(brush, hBrush));
}
private void DrawEllipse(WindowsPen pen, WindowsBrush brush,
int nLeftRect, // x-coord of upper-left corner of rectangle
int nTopRect, // y-coord of upper-left corner of rectangle
int nRightRect, // x-coord of lower-right corner of rectangle
int nBottomRect )
{ // y-coord of lower-right corner of rectangle
HandleRef hdc = new HandleRef( this.dc, this.dc.Hdc);
if (pen != null)
{
// 1. Select the pen in the DC
IntUnsafeNativeMethods.SelectObject(hdc, new HandleRef(pen, pen.HPen));
}
if (brush != null)
{
IntUnsafeNativeMethods.SelectObject(hdc, new HandleRef(brush, brush.HBrush));
}
// 2. call the function
IntUnsafeNativeMethods.Ellipse(hdc, nLeftRect, nTopRect, nRightRect, nBottomRect);
}
public void DrawAndFillEllipse(WindowsPen pen, WindowsBrush brush, Rectangle bounds)
{
DrawEllipse(pen, brush, bounds.Left, bounds.Top, bounds.Right, bounds.Bottom);
}
public WindowsPen(DeviceContext dc, WindowsBrush windowsBrush) :
this(dc, WindowsPenStyle.Default, cosmeticPenWidth, windowsBrush)
{
}
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));
}
// FillRectangle overloads
public void FillRectangle(WindowsBrush brush, Rectangle rect)
{
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);
}
public WindowsPen(DeviceContext dc, WindowsPenStyle style, int width, WindowsBrush windowsBrush )
{
Debug.Assert(windowsBrush != null, "null windowsBrush" );
this.style = style;
this.wndBrush = (WindowsBrush) windowsBrush.Clone();
this.width = width;
this.color = windowsBrush.Color;
this.dc = dc;
// CreatePen() created on demand.
}
public WindowsPen(DeviceContext dc, WindowsBrush windowsBrush ) :
this( dc, WindowsPenStyle.Default, cosmeticPenWidth, windowsBrush )
{
}
void Dispose(bool disposing)
{
if (this.nativeHandle != IntPtr.Zero && dc != null)
{
DbgUtil.AssertFinalization(this, disposing);
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);
}
}
