public TextEntityView(IEntity entity, IFontScaler fontScaler, SpriteBatch spriteBatch, FontBank fontBank)
: base(entity)
{
_fontScaler = fontScaler ?? throw new ArgumentNullException();
_spriteBatch = spriteBatch ?? throw new ArgumentNullException();
_fontBank = fontBank ?? throw new ArgumentNullException();
_textEntity = this.GetEntityAs <ITextEntity>();
_font = _fontBank.GetFont(_textEntity.FontName, _textEntity.FontSize);
_cachedFont = _font;
}
public void RefreshCachedTexture(GraphicsDevice device, SpriteBatch spriteBatch)
{
FontBank.FontDescription renderFont = _font;
if (_textEntity.Behaviour == TextEntityBehaviour.AutoScale)
{
renderFont = _fontScaler.GetScaledFont(_textEntity.Text, _textEntity.Bounds, renderFont);
}
switch (_textEntity.Behaviour)
{
case TextEntityBehaviour.ClipToBounds:
_cachedTexture = new RenderTarget2D(device, (int)_textEntity.Bounds.Width, (int)_textEntity.Bounds.Height);
break;
case TextEntityBehaviour.AutoScale:
case TextEntityBehaviour.Default:
default:
Vector2 textSize = renderFont.Font.MeasureString(_textEntity.Text);
_cachedTexture = new RenderTarget2D(device, (int)textSize.X, (int)textSize.Y);
break;
}
var oldTargets = device.GetRenderTargets();
device.SetRenderTarget(_cachedTexture);
spriteBatch.Begin();
spriteBatch.DrawString(renderFont.Font, _textEntity.Text, Vector2.Zero, Color.White);
spriteBatch.End();
device.SetRenderTargets(oldTargets);
_cachedFont = renderFont;
_cachedTextureScaledSize = (Point)GetScaledSize(_textEntity.Bounds.Size, new SizeF(_cachedTexture.Width, _cachedTexture.Height));
}
