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neo/renderer/BinaryImage.h

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+/*
+===========================================================================
+
+Doom 3 BFG Edition GPL Source Code
+Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company. 
+
+This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").  
+
+Doom 3 BFG Edition Source Code 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 3 of the License, or
+(at your option) any later version.
+
+Doom 3 BFG Edition Source Code 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 Doom 3 BFG Edition Source Code.  If not, see <http://www.gnu.org/licenses/>.
+
+In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code.  If not, please request a copy in writing from id Software at the address below.
+
+If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
+
+===========================================================================
+*/
+#ifndef __BINARYIMAGE_H__
+#define __BINARYIMAGE_H__
+
+#include "BinaryImageData.h"
+
+/*
+================================================
+idBinaryImage is used by the idImage class for constructing mipmapped 
+textures and for loading and saving generated files by idImage.
+Also used in a memory-mapped form for imageCPU for offline megatexture
+generation.
+================================================
+*/
+class idBinaryImage {
+public:
+	idBinaryImage( const char * name ) : imgName( name ) { }
+
+	const char *		GetName() const { return imgName.c_str(); }
+	void				SetName( const char *_name ) { imgName = _name; }
+
+	void				Load2DFromMemory( int width, int height, const byte * pic_const, int numLevels, textureFormat_t & textureFormat, textureColor_t & colorFormat, bool gammaMips );
+	void				LoadCubeFromMemory( int width, const byte * pics[6], int numLevels, textureFormat_t & textureFormat, bool gammaMips );
+
+	ID_TIME_T			LoadFromGeneratedFile( ID_TIME_T sourceFileTime );
+	ID_TIME_T			WriteGeneratedFile( ID_TIME_T sourceFileTime );
+
+	const bimageFile_t &	GetFileHeader() { return fileData; }
+
+	int					NumImages() { return images.Num(); }
+	const bimageImage_t &	GetImageHeader( int i ) const { return images[i]; }
+	const byte *			GetImageData( int i ) const { return images[i].data; }
+	static void			GetGeneratedFileName( idStr & gfn, const char *imageName );
+private:
+	idStr				imgName;			// game path, including extension (except for cube maps), may be an image program
+	bimageFile_t		fileData;
+
+	class idBinaryImageData : public bimageImage_t {
+	public:
+		byte * data;
+
+		idBinaryImageData() : data( NULL ) { }
+		~idBinaryImageData() { Free(); }
+		idBinaryImageData & operator=( idBinaryImageData & other ) {
+			if ( this == &other ) {
+				return *this;
+			}
+
+			Alloc( other.dataSize );
+			memcpy( data, other.data, other.dataSize );
+			return *this;
+		}
+		void Free() {
+			if ( data != NULL ) {
+				Mem_Free( data );
+				data = NULL;
+				dataSize = 0;
+			}
+		}
+		void Alloc( int size ) {
+			Free();
+			dataSize = size;
+			data = (byte *)Mem_Alloc( size, TAG_CRAP );
+		}
+	};
+
+	idList< idBinaryImageData, TAG_IDLIB_LIST_IMAGE > images;
+
+private:
+	void				MakeGeneratedFileName( idStr & gfn );
+	bool				LoadFromGeneratedFile( idFile * f, ID_TIME_T sourceFileTime );
+};
+
+#endif // __BINARYIMAGE_H__