public static void Draw(this SpriteBatch spriteBatch, NinePatchRegion2D ninePatchRegion, Rectangle destinationRectangle, Color color, Rectangle?clippingRectangle = null)
{
var destinationPatches = ninePatchRegion.CreatePatches(destinationRectangle);
var sourcePatches = ninePatchRegion.SourcePatches;
for (var i = 0; i < sourcePatches.Length; i++)
{
var sourcePatch = sourcePatches[i];
var destinationPatch = destinationPatches[i];
if (clippingRectangle.HasValue)
{
sourcePatch = ClipSourceRectangle(sourcePatch, destinationPatch, clippingRectangle.Value);
destinationPatch = ClipDestinationRectangle(destinationPatch, clippingRectangle.Value);
Draw(spriteBatch, ninePatchRegion.Texture, sourcePatch, destinationPatch, color, clippingRectangle);
}
else
{
if (destinationPatch.Width > 0 && destinationPatch.Height > 0)
{
spriteBatch.Draw(ninePatchRegion.Texture, sourceRectangle: sourcePatch, destinationRectangle: destinationPatch, color: color);
}
}
}
}
/// <summary>
/// Creates a new nine patch texture region and adds it to the list of the <see cref="TextureAtlas" />' regions.
/// </summary>
/// <param name="name">Name of the texture region.</param>
/// <param name="x">X coordinate of the region's top left corner.</param>
/// <param name="y">Y coordinate of the region's top left corner.</param>
/// <param name="width">Width of the texture region.</param>
/// <param name="height">Height of the texture region.</param>
/// <param name="thickness">Thickness of the nine patch region.</param>
/// <returns>Created texture region.</returns>
public NinePatchRegion2D CreateNinePatchRegion(string name, int x, int y, int width, int height, Thickness thickness)
{
if (_regionsByName.ContainsKey(name))
{
throw new InvalidOperationException($"Region {name} already exists in the texture atlas");
}
var textureRegion = new TextureRegion2D(name, Texture, x, y, width, height);
var ninePatchRegion = new NinePatchRegion2D(textureRegion, thickness);
AddRegion(ninePatchRegion);
return(ninePatchRegion);
}