render target improvements

interfaces/Crafter.Graphics-RenderingElement2DBase.cppm

@@ -0,0 +1,108 @@
+/*
+Crafter®.Graphics
+Copyright (C) 2026 Catcrafts®
+catcrafts.net
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License version 3.0 as published by the Free Software Foundation;
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
+*/
+
+export module Crafter.Graphics:RenderingElement2DBase;
+import Crafter.Asset;
+import Crafter.Math;
+import std;
+import :Transform2D;
+
+export namespace Crafter {
+    enum class TextAlignment {
+        Left,
+        Center,
+        Right
+    };
+
+    enum class TextOverflowMode {
+        Clip,
+        Wrap
+    };
+
+    enum class TextScaleMode {
+        None,
+        Font, 
+        Element,
+        Buffer
+    };
+
+    struct RenderElement2DScalingOwning {
+        std::vector<Vector<std::uint8_t, 4>> scalingBuffer;
+        std::uint32_t bufferWidth;
+        std::uint32_t bufferHeight;
+        bool bufferUpdated = true;
+        RenderElement2DScalingOwning() = default;
+        RenderElement2DScalingOwning(std::uint32_t bufferWidth, std::uint32_t bufferHeight) : scalingBuffer(bufferWidth*bufferHeight), bufferWidth(bufferWidth), bufferHeight(bufferHeight) {
+            
+        }
+    };
+
+    struct RenderElement2DScalingNonOwning {
+        Vector<std::uint8_t, 4>* scalingBuffer;
+        std::uint32_t bufferWidth;
+        std::uint32_t bufferHeight;
+        bool bufferUpdated = true;
+        RenderElement2DScalingNonOwning() = default;
+        RenderElement2DScalingNonOwning(Vector<std::uint8_t, 4>* scalingBuffer, std::uint32_t bufferWidth, std::uint32_t bufferHeight) : scalingBuffer(scalingBuffer), bufferWidth(bufferWidth), bufferHeight(bufferHeight) {
+            
+        }
+    };
+
+    struct RenderElement2DRotating {
+        float rotation;
+        bool rotationUpdated = true;
+        RenderElement2DRotating() = default;
+        RenderElement2DRotating(float rotation) : rotation(rotation) {
+
+        }
+    };
+
+
+    struct EmptyScalingBase {};
+    struct EmptyRotatingBase {};
+
+    template<bool Scaling, bool Owning>
+    using ScalingBase =
+        std::conditional_t<
+            Scaling,
+            std::conditional_t<Owning,
+                RenderElement2DScalingOwning,
+                RenderElement2DScalingNonOwning>,
+            EmptyScalingBase
+        >;
+
+    template<bool Rotating>
+    using RotatingBase =
+        std::conditional_t<
+            Rotating,
+            RenderElement2DRotating,
+            EmptyRotatingBase
+        >;
+
+    struct RenderingElement2DBase : Transform2D  {
+        std::vector<Vector<std::uint8_t, 4>> buffer;
+        OpaqueType opaque;
+        RenderingElement2DBase(Anchor2D anchor) : Transform2D(anchor) {
+            scaled.size.x = 0;
+        }
+        RenderingElement2DBase(Anchor2D anchor, OpaqueType opaque) : Transform2D(anchor), opaque(opaque) {
+            scaled.size.x = 0;
+        }
+    };
+}