public object Create(Context context)
{
GtkContext c = (GtkContext)WidgetRegistry.GetBackend(context);
var pl = Pango.CairoHelper.CreateLayout(c.Context);
return(pl);
}
public object CreateContext(object backend)
{
Cairo.Surface sf = (Cairo.Surface) backend;
GtkContext ctx = new GtkContext ();
ctx.Context = new Cairo.Context (sf);
return ctx;
}
public object CreateContext(object backend)
{
Cairo.Surface sf = (Cairo.Surface)backend;
GtkContext ctx = new GtkContext();
ctx.Context = new Cairo.Context(sf);
return(ctx);
}
public void DrawTextLayout(object backend, TextLayout layout, double x, double y)
{
Pango.Layout pl = (Pango.Layout)WidgetRegistry.GetBackend(layout);
GtkContext ctx = (GtkContext)backend;
Gdk.GC gc = ctx.Widget.Style.BlackGC;
ctx.Widget.GdkWindow.DrawLayout(gc, (int)x, (int)y, pl);
}
public void DrawTextLayout(object backend, TextLayout layout, double x, double y)
{
Pango.Layout pl = (Pango.Layout)WidgetRegistry.GetBackend(layout);
GtkContext ctx = (GtkContext)backend;
ctx.Context.MoveTo(x, y);
Pango.CairoHelper.ShowLayout(ctx.Context, pl);
}
public object CreateContext(Widget w)
{
GtkContext ctx = new GtkContext ();
var b = (IGtkWidgetBackend)WidgetRegistry.GetBackend (w);
if (!b.Widget.IsRealized) {
Cairo.Surface sf = new Cairo.ImageSurface (Cairo.Format.ARGB32, 1, 1);
Cairo.Context c = new Cairo.Context (sf);
ctx.Context = c;
ctx.TempSurface = sf;
} else {
ctx.Context = Gdk.CairoHelper.Create (b.Widget.GdkWindow);
}
return ctx;
}
public void DrawImage(object backend, object img, double x, double y, double alpha)
{
Gdk.Pixbuf pb = (Gdk.Pixbuf)img;
GtkContext ctx = (GtkContext)backend;
Gdk.CairoHelper.SetSourcePixbuf(ctx.Context, pb, x, y);
if (alpha == 1)
{
ctx.Context.Paint();
}
else
{
ctx.Context.PaintWithAlpha(alpha);
}
}
public object CreateContext(Widget w)
{
GtkContext ctx = new GtkContext();
var b = (IGtkWidgetBackend)WidgetRegistry.GetBackend(w);
if (!b.Widget.IsRealized)
{
Cairo.Surface sf = new Cairo.ImageSurface(Cairo.Format.ARGB32, 1, 1);
Cairo.Context c = new Cairo.Context(sf);
ctx.Context = c;
ctx.TempSurface = sf;
}
else
{
ctx.Context = Gdk.CairoHelper.Create(b.Widget.GdkWindow);
}
return(ctx);
}
public void DrawImage(object backend, object img, double x, double y, double width, double height, double alpha)
{
Gdk.Pixbuf pb = (Gdk.Pixbuf)img;
GtkContext ctx = (GtkContext)backend;
ctx.Context.Save();
double sx = ((double)width) / pb.Width;
double sy = ((double)height) / pb.Height;
ctx.Context.Translate(x, y);
ctx.Context.Scale(sx, sy);
Gdk.CairoHelper.SetSourcePixbuf(ctx.Context, pb, 0, 0);
if (alpha == 1)
{
ctx.Context.Paint();
}
else
{
ctx.Context.PaintWithAlpha(alpha);
}
ctx.Context.Restore();
/* var imgs = new Cairo.ImageSurface (Cairo.Format.ARGB32, pb.Width, pb.Height);
* var ic = new Cairo.Context (imgs);
* Gdk.CairoHelper.SetSourcePixbuf (ic, pb, 0, 0);
* if (alpha == 1)
* ic.Paint ();
* else
* ic.PaintWithAlpha (alpha);
*
* var sp = new Cairo.SurfacePattern (imgs);
* sp.Extend = Cairo.Extend.None;
* ctx.Context.Rectangle (x, y, width, height);
* ctx.Context.Pattern = sp;
* ctx.Context.Fill ();*/
}
public object CreateContext()
{
GtkContext ctx = new GtkContext ();
if (!IsRealized) {
Cairo.Surface sf = new Cairo.ImageSurface (Cairo.Format.ARGB32, 1, 1);
Cairo.Context c = new Cairo.Context (sf);
ctx.Context = c;
ctx.TempSurface = sf;
} else {
ctx.Context = Gdk.CairoHelper.Create (GdkWindow);
}
return ctx;
}
public void CurveTo(object backend, double x1, double y1, double x2, double y2, double x3, double y3)
{
GtkContext gc = (GtkContext)backend;
gc.Context.CurveTo(x1, y1, x2, y2, x3, y3);
}
public object Create(Context context)
{
GtkContext c = (GtkContext)WidgetRegistry.GetBackend(context);
return(new Pango.Layout(c.Widget.PangoContext));
}
public void Restore(object backend)
{
GtkContext gc = (GtkContext)backend;
gc.Context.Restore();
}
public void Arc(object backend, double xc, double yc, double radius, double angle1, double angle2)
{
GtkContext gc = (GtkContext)backend;
gc.Context.Arc(xc, yc, radius, (angle1 * System.Math.PI) / 180, (angle2 * System.Math.PI) / 180);
}
public void MoveTo(object backend, double x, double y)
{
GtkContext gc = (GtkContext)backend;
gc.Context.MoveTo(x, y);
}
public void Save(object backend)
{
GtkContext gc = (GtkContext)backend;
gc.Context.Save();
}
public void Translate(object backend, double tx, double ty)
{
GtkContext gc = (GtkContext)backend;
gc.Context.Translate(tx, ty);
}
public void Rotate(object backend, double angle)
{
GtkContext gc = (GtkContext)backend;
gc.Context.Rotate((angle * System.Math.PI) / 180);
}
public void ResetTransform(object backend)
{
GtkContext gc = (GtkContext)backend;
gc.Context.IdentityMatrix();
}
public void LineTo(object backend, double x, double y)
{
GtkContext gc = (GtkContext)backend;
gc.Context.LineTo(x + 0.5, y + 0.5);
}
public void Rectangle(object backend, double x, double y, double width, double height)
{
GtkContext gc = (GtkContext)backend;
gc.Context.Rectangle(x, y, width, height);
}
