The GtkRadiant sources as originally released under the GPL license.

include/iimage.h

@@ -0,0 +1,75 @@
+/*
+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_IIMAGE_H)
+#define INCLUDED_IIMAGE_H
+
+#include "generic/constant.h"
+
+typedef unsigned char byte;
+
+class Image
+{
+public:
+  virtual void release() = 0;
+  virtual byte* getRGBAPixels() const = 0;
+  virtual unsigned int getWidth() const = 0;
+  virtual unsigned int getHeight() const = 0;
+
+  virtual int getSurfaceFlags() const
+  {
+    return 0;
+  }
+  virtual int getContentFlags() const
+  {
+    return 0;
+  }
+  virtual int getValue() const
+  {
+    return 0;
+  }
+};
+
+class ArchiveFile;
+
+struct _QERPlugImageTable
+{
+  INTEGER_CONSTANT(Version, 1);
+  STRING_CONSTANT(Name, "image");
+
+  /// Read an image from the file.
+  /// Returns 0 if the image could not be read.
+  Image* (*loadImage)(ArchiveFile& file);
+};
+
+template<typename Type>
+class ModuleRef;
+typedef ModuleRef<_QERPlugImageTable> ImageModuleRef;
+
+template<typename Type>
+class Modules;
+typedef Modules<_QERPlugImageTable> ImageModules;
+
+template<typename Type>
+class ModulesRef;
+typedef ModulesRef<_QERPlugImageTable> ImageModulesRef;
+
+#endif // _IIMAGE_H