Shaders: base for text shaders.

src/Shaders/AbstractTextShader.h

@@ -0,0 +1,58 @@
+#ifndef Magnum_Shaders_AbstractTextShader_h
+#define Magnum_Shaders_AbstractTextShader_h
+/*
+    Copyright © 2010, 2011, 2012 Vladimír Vondruš <mosra@centrum.cz>
+
+    This file is part of Magnum.
+
+    Magnum is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License version 3
+    only, as published by the Free Software Foundation.
+
+    Magnum 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 version 3 for more details.
+*/
+
+/** @file
+ * @brief Class Magnum::Shaders::AbstractTextShader
+ */
+
+#include "AbstractShaderProgram.h"
+#include "Color.h"
+#include "DimensionTraits.h"
+
+namespace Magnum { namespace Shaders {
+
+/**
+@brief Base for text shaders
+
+@see AbstractTextShader2D, AbstractTextShader3D
+*/
+template<std::uint8_t dimensions> class AbstractTextShader: public AbstractShaderProgram {
+    public:
+        /** @brief Vertex position */
+        typedef Attribute<0, typename DimensionTraits<dimensions>::PointType> Position;
+
+        /** @brief Texture coordinates */
+        typedef Attribute<1, Vector2> TextureCoordinates;
+
+        enum: GLint {
+            FontTextureLayer = 16, /**< @brief Layer for font texture */
+        };
+
+        ~AbstractTextShader() = 0;
+};
+
+template<std::uint8_t dimensions> inline AbstractTextShader<dimensions>::~AbstractTextShader() {}
+
+/** @brief Base for two-dimensional text shaders */
+typedef AbstractTextShader<2> AbstractTextShader2D;
+
+/** @brief Base for three-dimensional text shader */
+typedef AbstractTextShader<3> AbstractTextShader3D;
+
+}}
+
+#endif

src/Shaders/CMakeLists.txt

@@ -9,6 +9,7 @@ set(MagnumShaders_SRCS
     VertexColorShader.cpp
     ${MagnumShaders_RCS})
 set(MagnumShaders_HEADERS
+    AbstractTextShader.h
     FlatShader.h
     PhongShader.h
     Shaders.h

src/Shaders/Shaders.h

@@ -23,6 +23,10 @@
 
 namespace Magnum { namespace Shaders {
 
+template<std::uint8_t> class AbstractTextShader;
+typedef AbstractTextShader<2> AbstractTextShader2D;
+typedef AbstractTextShader<3> AbstractTextShader3D;
+
 template<std::uint8_t> class FlatShader;
 typedef FlatShader<2> FlatShader2D;
 typedef FlatShader<3> FlatShader3D;