// Get the background information for use in graphics object clears.
internal void GetBackgroundInfo(out Color bg, out Pixmap pixmap,
out int tx, out int ty)
{
if(background.Index == StandardColor.Inherit)
{
InputOutputWidget parent =
(Parent as InputOutputWidget);
if(parent != null)
{
parent.GetBackgroundInfo
(out bg, out pixmap, out tx, out ty);
tx -= x;
ty -= y;
}
else
{
bg = new Color(StandardColor.Background);
pixmap = null;
tx = 0;
ty = 0;
}
}
else if(background.Index == StandardColor.Pixmap)
{
bg = background;
pixmap = backgroundPixmap;
tx = 0;
ty = 0;
}
else
{
bg = background;
pixmap = null;
tx = 0;
ty = 0;
}
}
/// <summary>
/// <para>Set the fill style mode to "solid".</para>
/// </summary>
public void SetFillSolid()
{
try
{
IntPtr display = Lock();
Xlib.XSetFillStyle
(display, gc, (int)(Xsharp.FillStyle.FillSolid));
if(tile != null)
{
Xlib.XSetTSOrigin(display, gc, 0, 0);
tile = null;
}
else if(stipple != null)
{
Xlib.XSetTSOrigin(display, gc, 0, 0);
stipple = null;
}
}
finally
{
dpy.Unlock();
}
}
// Convert an XImage into a Pixmap object.
public static Pixmap XImageToPixmap(Screen screen, IntPtr ximage)
{
int width, height;
Xlib.XSharpGetImageSize(ximage, out width, out height);
Pixmap pixmap = new Pixmap(screen, width, height);
Graphics graphics = new Graphics(pixmap);
graphics.PutXImage(ximage, 0, 0, 0, 0, width, height);
graphics.Dispose();
return pixmap;
}
/// <summary>
/// <para>Set the fill style mode to "opaque stippled", with a specific
/// stippling bitmap.</para>
/// </summary>
///
/// <param name="stipple">
/// <para>The stippling bitmap to use.</para>
/// </param>
///
/// <param name="xorigin">
/// <para>The X co-ordinate of the stippling origin.</para>
/// </param>
///
/// <param name="yorigin">
/// <para>The Y co-ordinate of the stippling origin.</para>
/// </param>
///
/// <exception cref="T:System.ArgumentNullException">
/// <para>The <paramref name="stipple"/> value is
/// <see langword="null"/>.</para>
/// </exception>
///
/// <exception cref="T:Xsharp.XException">
/// <para>The <paramref name="xorigin"/> or <paramref name="yorigin"/>
/// value is out of range.</para>
/// </exception>
///
/// <exception cref="T:System.XInvalidOperationException">
/// <para>The <paramref name="tile"/> value is disposed.</para>
/// </exception>
public void SetFillOpaqueStippled(Bitmap stipple, int xorigin, int yorigin)
{
if(stipple == null)
{
throw new ArgumentNullException("stipple");
}
if(xorigin < -32768 || xorigin > 32767 ||
yorigin < -32768 || yorigin > 32767)
{
throw new XException(S._("X_PointCoordRange"));
}
try
{
IntPtr display = Lock();
Xlib.XSetStipple(display, gc, stipple.GetPixmapHandle());
Xlib.XSetFillStyle
(display, gc,
(int)(Xsharp.FillStyle.FillOpaqueStippled));
Xlib.XSetTSOrigin(display, gc, xorigin, yorigin);
this.stipple = stipple;
tile = null;
}
finally
{
dpy.Unlock();
}
}
