public override void Draw(DrawContext context)
{
// To render the scrolled panel, we just adjust our offset before rendering our child controls as
// a normal PanelControl
context.DrawOffset.Y = -scrollTracker.ViewRect.Y;
base.Draw(context);
}
public override void Draw(DrawContext context)
{
int childCount = ChildCount;
if (childCount < 2)
{
// Default rendering behavior if we don't have enough
// children to flip through.
base.Draw(context);
return;
}
Vector2 origin = context.DrawOffset;
int iCurrent = tracker.CurrentPage;
float horizontalOffset = tracker.CurrentPageOffset;
context.DrawOffset = origin + new Vector2 { X = horizontalOffset };
this[iCurrent].Draw(context);
if (horizontalOffset > 0)
{
// The screen has been dragged to the right, so the edge of another
// page is visible to the left.
int iLeft = (iCurrent + childCount - 1) % childCount;
context.DrawOffset.X = origin.X + horizontalOffset - tracker.EffectivePageWidth(iLeft);
this[iLeft].Draw(context);
}
if (horizontalOffset + this[iCurrent].Size.X < context.Device.Viewport.Width)
{
// The edge of another page is visible to the right.
// Note that if we have two pages, it's possible that a page will be
// drawn twice, with parts of it visible on each edge of the screen.
int iRight = (iCurrent + 1) % childCount;
context.DrawOffset.X = origin.X + horizontalOffset + tracker.EffectivePageWidth(iCurrent);
this[iRight].Draw(context);
}
}
public override void Draw(DrawContext context)
{
base.Draw(context);
context.SpriteBatch.DrawString(font, Text, context.DrawOffset, Color);
}
public override void Draw(DrawContext context)
{
base.Draw(context);
Texture2D drawTexture = texture ?? context.BlankTexture;
Vector2 actualSourceSize = SourceSize ?? Size;
Rectangle sourceRectangle = new Rectangle
{
X = (int)origin.X,
Y = (int)origin.Y,
Width = (int)actualSourceSize.X,
Height = (int)actualSourceSize.Y,
};
Rectangle destRectangle = new Rectangle
{
X = (int)context.DrawOffset.X,
Y = (int)context.DrawOffset.Y,
Width = (int)Size.X,
Height = (int)Size.Y
};
context.SpriteBatch.Draw(drawTexture, destRectangle, sourceRectangle, Color);
}
