internal void Draw(DrawingPathBackendHandler targetHandler, 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;
ContextBackendHandler handler = targetHandler as ContextBackendHandler;
DrawingPathBackendHandler pathHandler = targetHandler;
for (int n=0; n<cm.Commands.Length; n++)
{
switch (cm.Commands [n]) {
case DrawingCommand.AppendPath:
var p = cm.Objects [oi++];
if (p is VectorImageData)
Draw (targetHandler, ctx, (VectorImageData)p);
else
pathHandler.AppendPath (ctx, p);
break;
case DrawingCommand.Arc:
pathHandler.Arc (ctx, cm.Doubles [di++], cm.Doubles [di++], cm.Doubles [di++], cm.Doubles [di++], cm.Doubles [di++]);
break;
case DrawingCommand.ArcNegative:
pathHandler.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:
pathHandler.ClosePath (ctx);
break;
case DrawingCommand.CurveTo:
pathHandler.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 (toolkit);
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:
pathHandler.LineTo (ctx, cm.Doubles [di++], cm.Doubles [di++]);
break;
case DrawingCommand.MoveTo:
pathHandler.MoveTo (ctx, cm.Doubles [di++], cm.Doubles [di++]);
break;
case DrawingCommand.NewPath:
handler.NewPath (ctx);
break;
case DrawingCommand.Rectangle:
pathHandler.Rectangle (ctx, cm.Doubles [di++], cm.Doubles [di++], cm.Doubles [di++], cm.Doubles [di++]);
break;
case DrawingCommand.RelCurveTo:
pathHandler.RelCurveTo (ctx, cm.Doubles [di++], cm.Doubles [di++], cm.Doubles [di++], cm.Doubles [di++], cm.Doubles [di++], cm.Doubles [di++]);
break;
case DrawingCommand.RelLineTo:
pathHandler.RelLineTo (ctx, cm.Doubles [di++], cm.Doubles [di++]);
break;
case DrawingCommand.RelMoveTo:
pathHandler.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;
}
}
}
public DrawingPath()
{
handler = Toolkit.CurrentEngine.VectorImageRecorderContextHandler;
Backend = handler.CreatePath ();
}
internal DrawingPath(object backend, Toolkit toolkit, DrawingPathBackendHandler h)
: base(backend, toolkit)
{
handler = h;
}
public DrawingPath()
{
handler = ToolkitEngine.DrawingPathBackendHandler;
Backend = handler.CreatePath ();
}