public static Cairo.Context CreateDrawable(Gdk.Drawable drawable)
{
IntPtr x_drawable = IntPtr.Zero;
int x_off = 0, y_off = 0;
int x, y, w, h, d;
((Gdk.Window)drawable).GetGeometry(out x, out y, out w, out h, out d);
bool is_gdk_window = drawable is Gdk.Window;
if (is_gdk_window)
{
((Gdk.Window)drawable).GetInternalPaintInfo(out drawable,
out x_off, out y_off);
}
Cairo.Surface surface;
PlatformID os = Environment.OSVersion.Platform;
if (os == PlatformID.Win32Windows || os == PlatformID.Win32NT ||
os == PlatformID.Win32S || os == PlatformID.WinCE)
{
Gdk.GC gcc = new Gdk.GC(drawable);
IntPtr windc = gdk_win32_hdc_get(drawable.Handle, gcc.Handle, 0);
surface = new Win32Surface(windc);
gdk_win32_hdc_release(drawable.Handle, gcc.Handle, 0);
}
else
{
x_drawable = drawable.Handle;
IntPtr visual = gdk_drawable_get_visual(x_drawable);
IntPtr Xdisplay = gdk_x11_drawable_get_xdisplay(x_drawable);
IntPtr Xvisual = gdk_x11_visual_get_xvisual(visual);
IntPtr Xdrawable = gdk_x11_drawable_get_xid(x_drawable);
surface = new Cairo.XlibSurface(Xdisplay,
Xdrawable,
Xvisual,
w, h);
}
Cairo.Context g = new Cairo.Context(surface);
// this can be safely removed now, just keep it for a bit more
//Cairo.Context g = new Cairo.Context (
// gdk_cairo_create (x_drawable ));
if (is_gdk_window)
{
g.Translate(-(double)x_off, -(double)y_off);
}
return(g);
}
public static Surface CreateSurface(Gdk.Drawable d)
{
int width, height;
d.GetSize (out width, out height);
XlibSurface surface = new XlibSurface (GdkUtils.GetXDisplay (d.Display),
(IntPtr)GdkUtils.GetXid (d),
GdkUtils.GetXVisual (d.Visual),
width, height);
return surface;
}
public static Cairo.Context CreateContext(Gdk.Drawable drawable)
{
IntPtr x_drawable = IntPtr.Zero;
int x_off = 0, y_off = 0;
int x, y, w, h, d;
((Gdk.Window)drawable).GetGeometry(out x, out y, out w, out h, out d);
bool is_gdk_window = drawable is Gdk.Window;
if (is_gdk_window)
((Gdk.Window)drawable).GetInternalPaintInfo(out drawable,
out x_off, out y_off);
Cairo.Surface surface;
PlatformID os = Environment.OSVersion.Platform;
if (os == PlatformID.Win32Windows || os == PlatformID.Win32NT ||
os == PlatformID.Win32S || os == PlatformID.WinCE)
{
Gdk.GC gcc = new Gdk.GC(drawable);
IntPtr windc = gdk_win32_hdc_get(drawable.Handle, gcc.Handle, 0);
surface = new Win32Surface(windc);
gdk_win32_hdc_release(drawable.Handle, gcc.Handle, 0);
}
else
{
x_drawable = drawable.Handle;
IntPtr visual = gdk_drawable_get_visual(x_drawable);
IntPtr Xdisplay = gdk_x11_drawable_get_xdisplay(x_drawable);
IntPtr Xvisual = gdk_x11_visual_get_xvisual(visual);
IntPtr Xdrawable = gdk_x11_drawable_get_xid(x_drawable);
surface = new Cairo.XlibSurface(Xdisplay,
Xdrawable,
Xvisual,
w, h);
}
Cairo.Context g = new Cairo.Context(surface);
// this can be safely removed now, just keep it for a bit more
//Cairo.Context g = new Cairo.Context (
// gdk_cairo_create (x_drawable ));
if (is_gdk_window)
g.Translate(-(double)x_off, -(double)y_off);
return g;
}
public static void SetSourceDrawable (Context ctx, Gdk.Drawable d, double x, double y)
{
try {
gdk_cairo_set_source_pixmap (ctx.Handle, d.Handle, x, y);
} catch (EntryPointNotFoundException) {
int width, height;
d.GetSize (out width, out height);
XlibSurface surface = new XlibSurface (GdkUtils.GetXDisplay (d.Display),
(IntPtr)GdkUtils.GetXid (d),
GdkUtils.GetXVisual (d.Visual),
width, height);
SurfacePattern p = new SurfacePattern (surface);
Matrix m = new Matrix ();
m.Translate (-x, -y);
p.Matrix = m;
ctx.Source = p;
}
}
static void Main (string [] args)
{
Window win = new Window (500, 500);
win.Show ();
Cairo.XlibSurface s = new Cairo.XlibSurface (win.Display,
win.XWindow,
X11.XDefaultVisual (win.Display, win.Screen),
(int)win.Width, (int)win.Height);
Cairo.Context g = new Cairo.Context (s);
draw (g, 500, 500);
IntPtr xev = new IntPtr ();
while (true) {
X11.XNextEvent (win.Display, xev);
}
}
public static Cairo.Context CreateDrawable (Gdk.Drawable drawable, bool double_buffered)
{
int x, y, w, h, d;
Cairo.Surface surface;
bool needs_xlate;
((Gdk.Window)drawable).GetGeometry(out x, out y, out w, out h, out d);
PlatformID os = Environment.OSVersion.Platform;
needs_xlate = drawable is Gdk.Window && double_buffered;
if (needs_xlate)
((Gdk.Window)drawable).GetInternalPaintInfo (out drawable, out x, out y);
if (os == PlatformID.Win32Windows || os == PlatformID.Win32NT ||
os == PlatformID.Win32S || os == PlatformID.WinCE) {
Gdk.GC gcc = new Gdk.GC (drawable);
IntPtr windc = gdk_win32_hdc_get (drawable.Handle, gcc.Handle, 0);
surface = new Win32Surface (windc);
if (double_buffered)
gdk_win32_hdc_release (drawable.Handle, gcc.Handle, 0);
} else {
IntPtr display = gdk_x11_drawable_get_xdisplay (drawable.Handle);
IntPtr visual = gdk_drawable_get_visual (drawable.Handle);
IntPtr xvisual = gdk_x11_visual_get_xvisual (visual);
IntPtr xdrawable = gdk_x11_drawable_get_xid (drawable.Handle);
surface = new XlibSurface (display, xdrawable, xvisual, w, h);
}
Cairo.Context ctx = new Cairo.Context (surface);
if (needs_xlate)
ctx.Translate (-(double) x, -(double) y);
return ctx;
}
static void Main(string [] args)
{
Window win = new Window(500, 500);
win.Show();
Cairo.XlibSurface s = new Cairo.XlibSurface(win.Display,
win.XWindow,
X11.XDefaultVisual(win.Display, win.Screen),
(int)win.Width, (int)win.Height);
Cairo.Context g = new Cairo.Context(s);
draw(g, 500, 500);
IntPtr xev = new IntPtr();
while (true)
{
X11.XNextEvent(win.Display, xev);
}
}