/// <summary>
/// Return a Raster containing the colors generated for the graphics
/// operation. </summary>
/// <param name="x">,y,w,h The area in device space for which colors are
/// generated. </param>
public virtual Raster GetRaster(int x, int y, int w, int h)
{
double rowrel = (x - X1) * Dx + (y - Y1) * Dy;
Raster rast = Saved;
if (rast == null || rast.Width < w || rast.Height < h)
{
rast = GetCachedRaster(Model, w, h);
Saved = rast;
}
IntegerComponentRaster irast = (IntegerComponentRaster)rast;
int off = irast.getDataOffset(0);
int adjust = irast.ScanlineStride - w;
int[] pixels = irast.DataStorage;
if (Cyclic)
{
CycleFillRaster(pixels, off, adjust, w, h, rowrel, Dx, Dy);
}
else
{
ClipFillRaster(pixels, off, adjust, w, h, rowrel, Dx, Dy);
}
irast.markDirty();
return(rast);
}
public virtual Raster GetRaster(int x, int y, int w, int h)
{
lock (this)
{
WritableRaster t = SavedTile;
if (t == null || w > t.Width || h > t.Height)
{
t = ColorModel.CreateCompatibleWritableRaster(w, h);
IntegerComponentRaster icr = (IntegerComponentRaster)t;
Arrays.Fill(icr.DataStorage, Color);
// Note - markDirty is probably unnecessary since icr is brand new
icr.markDirty();
if (w <= 64 && h <= 64)
{
SavedTile = t;
}
}
return(t);
}
}