The GtkRadiant sources as originally released under the GPL license.

include/itextures.h

@@ -0,0 +1,92 @@
+/*
+Copyright (C) 2001-2006, William Joseph.
+All Rights Reserved.
+
+This file is part of GtkRadiant.
+
+GtkRadiant is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+GtkRadiant 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GtkRadiant; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#if !defined(INCLUDED_ITEXTURES_H)
+#define INCLUDED_ITEXTURES_H
+
+#include "iimage.h"
+#include "generic/constant.h"
+
+struct qtexture_t;
+
+class LoadImageCallback
+{
+  typedef Image* (*LoadFunc)(void* environment, const char* name);
+public:
+  void* m_environment;
+  LoadFunc m_func;
+
+  LoadImageCallback(void* environment, LoadFunc func) : m_environment(environment), m_func(func)
+  {
+  }
+  Image* loadImage(const char* name) const
+  {
+    return m_func(m_environment, name);
+  }
+};
+
+inline bool operator==(const LoadImageCallback& self, const LoadImageCallback& other)
+{
+  return self.m_environment == other.m_environment && self.m_func == other.m_func; 
+}
+inline bool operator<(const LoadImageCallback& self, const LoadImageCallback& other)
+{
+  return self.m_environment < other.m_environment || 
+        (!(other.m_environment < self.m_environment) && self.m_func < other.m_func); 
+}
+
+class TexturesCacheObserver
+{
+public:
+  virtual void unrealise() = 0;
+  virtual void realise() = 0;
+};
+
+class TexturesCache
+{
+public:
+  INTEGER_CONSTANT(Version, 1);
+  STRING_CONSTANT(Name, "textures");
+  virtual LoadImageCallback defaultLoader() const = 0;
+  virtual Image* loadImage(const char* name) = 0;
+  virtual qtexture_t* capture(const char* name) = 0;
+  virtual qtexture_t* capture(const LoadImageCallback& load, const char* name) = 0;
+  virtual void release(qtexture_t* texture) = 0;
+  virtual void attach(TexturesCacheObserver& observer) = 0;
+  virtual void detach(TexturesCacheObserver& observer) = 0;
+};
+
+#include "modulesystem.h"
+
+template<typename Type>
+class GlobalModule;
+typedef GlobalModule<TexturesCache> GlobalTexturesModule;
+
+template<typename Type>
+class GlobalModuleRef;
+typedef GlobalModuleRef<TexturesCache> GlobalTexturesModuleRef;
+
+inline TexturesCache& GlobalTexturesCache()
+{
+  return GlobalTexturesModule::getTable();
+}
+
+#endif