public virtual void Prerender(UIRenderContext context)
{
foreach (var child in Children)
{
child.Prerender(context.SubContext(child.Position));
}
}
public override void Render(UIRenderContext context)
{
//
var spriteBatch = context.SpriteBatch;
var screenPosition = context.RenderPort;
switch (Background)
{
case null:
break;
case ColourBackgroundStyling colourBackground:
var colour = !string.IsNullOrEmpty(colourBackground.ColourResource)
? context.Colours.Get(colourBackground.ColourResource)
: colourBackground.Colour;
colour = colour ?? colourBackground.Colour ?? Color.Purple;
spriteBatch.Begin(transformMatrix: context.Transform);
spriteBatch.Draw(
context.RenderPrimitives.WhiteTexture,
screenPosition,
null,
colour.Value,
0,
Vector2.Zero,
SpriteEffects.None,
0f
);
spriteBatch.End();
break;
case ImageBackgroundStyling imageBackground:
var texture = !string.IsNullOrEmpty(imageBackground.ImageResource)
? context.ContentManager.Load <Texture2D>(imageBackground.ImageResource)
: imageBackground.Image;
if (texture != null)
{
spriteBatch.Begin(transformMatrix: context.Transform);
spriteBatch.Draw(
texture,
screenPosition,
null,
imageBackground.Colour,
0,
Vector2.Zero,
SpriteEffects.None,
0f
);
spriteBatch.End();
}
break;
}
// Render children.
foreach (var child in Children)
{
child.Render(context.SubContext(child.Position));
}
}
