1 files changed, 81 insertions, 0 deletions
diff --git a/Plugins/MonoGame.Extended/source/MonoGame.Extended.Gui/GuiSpriteBatchRenderer.cs b/Plugins/MonoGame.Extended/source/MonoGame.Extended.Gui/GuiSpriteBatchRenderer.cs
new file mode 100644
index 0000000..6d1e8ce
--- /dev/null
+++ b/Plugins/MonoGame.Extended/source/MonoGame.Extended.Gui/GuiSpriteBatchRenderer.cs
@@ -0,0 +1,81 @@
+using System;
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Graphics;
+using MonoGame.Extended.BitmapFonts;
+using MonoGame.Extended.TextureAtlases;
+
+namespace MonoGame.Extended.Gui
+{
+    public interface IGuiRenderer
+    {
+        void Begin();
+        void DrawRegion(TextureRegion2D textureRegion, Rectangle rectangle, Color color, Rectangle? clippingRectangle = null);
+        void DrawRegion(TextureRegion2D textureRegion, Vector2 position, Color color, Rectangle? clippingRectangle = null);
+        void DrawText(BitmapFont font, string text, Vector2 position, Color color, Rectangle? clippingRectangle = null);
+        void DrawRectangle(Rectangle rectangle, Color color, float thickness = 1f, Rectangle? clippingRectangle = null);
+        void FillRectangle(Rectangle rectangle, Color color, Rectangle? clippingRectangle = null);
+        void End();
+    }
+
+    public class GuiSpriteBatchRenderer : IGuiRenderer
+    {
+        private readonly Func<Matrix> _getTransformMatrix;
+        private readonly SpriteBatch _spriteBatch;
+
+        public GuiSpriteBatchRenderer(GraphicsDevice graphicsDevice, Func<Matrix> getTransformMatrix)
+        {
+            _getTransformMatrix = getTransformMatrix;
+            _spriteBatch = new SpriteBatch(graphicsDevice);
+        }
+
+        public SpriteSortMode SortMode { get; set; }
+        public BlendState BlendState { get; set; } = BlendState.AlphaBlend;
+        public SamplerState SamplerState { get; set; } = SamplerState.PointClamp;
+        public DepthStencilState DepthStencilState { get; set; } = DepthStencilState.Default;
+        public RasterizerState RasterizerState { get; set; } = RasterizerState.CullNone;
+        public Effect Effect { get; set; }
+
+        public void Begin()
+        {
+            _spriteBatch.Begin(SortMode, BlendState, SamplerState, DepthStencilState, RasterizerState, Effect, _getTransformMatrix());
+        }
+
+        public void End()
+        {
+            _spriteBatch.End();
+        }
+
+        public void DrawRegion(TextureRegion2D textureRegion, Rectangle rectangle, Color color, Rectangle? clippingRectangle = null)
+        {
+            if (textureRegion != null)
+                _spriteBatch.Draw(textureRegion, rectangle, color, clippingRectangle);
+        }
+
+        public void DrawRegion(TextureRegion2D textureRegion, Vector2 position, Color color, Rectangle? clippingRectangle = null)
+        {
+            if (textureRegion != null)
+                _spriteBatch.Draw(textureRegion, position, color, clippingRectangle);
+        }
+
+        public void DrawText(BitmapFont font, string text, Vector2 position, Color color, Rectangle? clippingRectangle = null)
+        {
+            _spriteBatch.DrawString(font, text, position, color, clippingRectangle);
+        }
+
+        public void DrawRectangle(Rectangle rectangle, Color color, float thickness = 1f, Rectangle? clippingRectangle = null)
+        {
+            if (clippingRectangle.HasValue)
+                rectangle = rectangle.Clip(clippingRectangle.Value);
+
+            _spriteBatch.DrawRectangle(rectangle, color, thickness);
+        }
+
+        public void FillRectangle(Rectangle rectangle, Color color, Rectangle? clippingRectangle = null)
+        {
+            if (clippingRectangle.HasValue)
+                rectangle = rectangle.Clip(clippingRectangle.Value);
+
+            _spriteBatch.FillRectangle(rectangle, color);
+        }
+    }
+}