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// ### C O N S T R U C T I O N A N D I N I T I A L I Z A T I O N
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#region Construction
/// <summary>Initializing constructor.</summary>
/// <param name="display">The display pointer, that specifies the connection to the X server.<see cref="System.IntPtr"/></param>
/// <param name="screenNumber">The appropriate screen number on the host server.<see cref="System.Int32"/></param>
/// <param name="colormap">The X11 colormap pointer.<see cref="IntPtr"/></param>
/// <param name="graphicDepth">The depth (number of planes) of the graphic - that holds color pixel information.<see cref="System.Int32"/></para>
/// <param name="width">The width of the image to create.<see cref="System.Int32"/></param>
/// <param name="height">The height of the image to create.<see cref="System.Int32"/></param>
public X11Image(IntPtr display, int screenNumber, IntPtr colormap, int graphicDepth, int width, int height)
{
if (display == IntPtr.Zero)
{
throw new ArgumentNullException("display");
}
if (colormap == IntPtr.Zero)
{
throw new ArgumentNullException("colormap");
}
IntPtr rootWindow = X11lib.XRootWindow(display, (X11.TInt)screenNumber);
IntPtr rootVisual = X11lib.XDefaultVisual(display, (X11.TInt)screenNumber);
if (rootVisual == IntPtr.Zero)
{
throw new NullReferenceException("rootVisual");
}
IntPtr imageXPixmap = X11lib.XCreatePixmap(display, rootWindow, (X11.TUint)width, (X11.TUint)height, (X11.TUint)graphicDepth);
if (imageXPixmap == IntPtr.Zero)
{
throw new NullReferenceException("imageXPixmap");
}
_size.Width = width;
_size.Height = height;
_imageSurface = new X11Surface(display, screenNumber, imageXPixmap, rootVisual, graphicDepth, colormap);
}
/// <summary>The initializing constructor.</summary>
/// <param name="surface">The surface.<see cref="X11Surface"/></param>
/// <param name="gc">The graphics context.<see cref="IntPtr"/></param>
public X11Graphics(X11Surface surface, IntPtr gc)
{
_surface = surface;
_gc = gc;
}
