internal Context(object backend, Toolkit toolkit, ContextBackendHandler handler, bool getGlobalStyles = true)
: base(backend, toolkit, handler)
{
this.handler = handler;
if (getGlobalStyles) {
styles = globalStyles;
if (styles != StyleSet.Empty)
handler.SetStyles (Backend, styles);
}
}
internal Context(object backend, Toolkit toolkit, ContextBackendHandler handler)
: base(backend, toolkit, handler)
{
this.handler = handler;
}
internal Context(object backend, Toolkit toolkit)
: base(backend, toolkit, toolkit.ContextBackendHandler)
{
handler = ToolkitEngine.ContextBackendHandler;
}
internal static void Draw(Toolkit tk, ContextBackendHandler handler, object ctx, VectorImageData cm)
{
int di = 0;
int ci = 0;
int ii = 0;
int ri = 0;
int oi = 0;
int imi = 0;
int ti = 0;
for (int n=0; n<cm.Commands.Length; n++)
{
switch (cm.Commands [n]) {
case DrawingCommand.AppendPath:
var p = (VectorImageData)cm.Objects [oi++];
Draw (tk, handler, ctx, p);
break;
case DrawingCommand.Arc:
handler.Arc (ctx, cm.Doubles [di++], cm.Doubles [di++], cm.Doubles [di++], cm.Doubles [di++], cm.Doubles [di++]);
break;
case DrawingCommand.ArcNegative:
handler.ArcNegative (ctx, cm.Doubles [di++], cm.Doubles [di++], cm.Doubles [di++], cm.Doubles [di++], cm.Doubles [di++]);
break;
case DrawingCommand.Clip:
handler.Clip (ctx);
break;
case DrawingCommand.ClipPreserve:
handler.ClipPreserve (ctx);
break;
case DrawingCommand.ClosePath:
handler.ClosePath (ctx);
break;
case DrawingCommand.CurveTo:
handler.CurveTo (ctx, cm.Doubles [di++], cm.Doubles [di++], cm.Doubles [di++], cm.Doubles [di++], cm.Doubles [di++], cm.Doubles [di++]);
break;
case DrawingCommand.DrawImage2:
handler.DrawImage (ctx, cm.Images [imi++], cm.Rectangles [ri++], cm.Rectangles [ri++]);
break;
case DrawingCommand.DrawImage:
handler.DrawImage (ctx, cm.Images [imi++], cm.Doubles [di++], cm.Doubles [di++]);
break;
case DrawingCommand.DrawTextLayout:
var lad = (TextLayoutData)cm.TextLayouts [ti++];
var la = new TextLayout (tk);
lad.InitLayout (la);
handler.DrawTextLayout (ctx, la, cm.Doubles [di++], cm.Doubles [di++]);
break;
case DrawingCommand.Fill:
handler.Fill (ctx);
break;
case DrawingCommand.FillPreserve:
handler.FillPreserve (ctx);
break;
case DrawingCommand.LineTo:
handler.LineTo (ctx, cm.Doubles [di++], cm.Doubles [di++]);
break;
case DrawingCommand.MoveTo:
handler.MoveTo (ctx, cm.Doubles [di++], cm.Doubles [di++]);
break;
case DrawingCommand.NewPath:
handler.NewPath (ctx);
break;
case DrawingCommand.Rectangle:
handler.Rectangle (ctx, cm.Doubles [di++], cm.Doubles [di++], cm.Doubles [di++], cm.Doubles [di++]);
break;
case DrawingCommand.RelCurveTo:
handler.RelCurveTo (ctx, cm.Doubles [di++], cm.Doubles [di++], cm.Doubles [di++], cm.Doubles [di++], cm.Doubles [di++], cm.Doubles [di++]);
break;
case DrawingCommand.RelLineTo:
handler.RelLineTo (ctx, cm.Doubles [di++], cm.Doubles [di++]);
break;
case DrawingCommand.RelMoveTo:
handler.RelMoveTo (ctx, cm.Doubles [di++], cm.Doubles [di++]);
break;
case DrawingCommand.Restore:
handler.Restore (ctx);
break;
case DrawingCommand.Rotate:
handler.Rotate (ctx, cm.Doubles [di++]);
break;
case DrawingCommand.Save:
handler.Save (ctx);
break;
case DrawingCommand.Scale:
handler.Scale (ctx, cm.Doubles [di++], cm.Doubles [di++]);
break;
case DrawingCommand.SetColor:
handler.SetColor (ctx, cm.Colors [ci++]);
break;
case DrawingCommand.SetGlobalAlpha:
handler.SetGlobalAlpha (ctx, cm.Doubles [di++]);
break;
case DrawingCommand.SetLineDash:
var off = cm.Doubles [di++];
var ds = new double [cm.Ints [ii++]];
for (int i = 0; i < ds.Length; i++)
ds [i] = cm.Doubles [di++];
handler.SetLineDash (ctx, off, ds);
break;
case DrawingCommand.SetLineWidth:
handler.SetLineWidth (ctx, cm.Doubles [di++]);
break;
case DrawingCommand.SetPattern:
handler.SetPattern (ctx, cm.Objects [oi++]);
break;
case DrawingCommand.Stroke:
handler.Stroke (ctx);
break;
case DrawingCommand.StrokePreserve:
handler.StrokePreserve (ctx);
break;
case DrawingCommand.Translate:
handler.Translate (ctx, cm.Doubles [di++], cm.Doubles [di++]);
break;
}
}
}