texture_generator.h

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#ifndef _TEXTURE_GENERATOR_H_
#define _TEXTURE_GENERATOR_H_

#include <vector>

#include <Inventor/nodes/SoTexture2.h>
#include <Inventor/nodes/SoFile.h>
#include <Inventor/SbColor4f.h>

typedef std::vector<SoTexture2*> AlbumContainer;

class TextureGenerator
{
        private:

                static const int NC_RGBA = 4;

                static const unsigned char SPACE_STAR_LIGHT_MAX_DEVIATION = 0x10;

        public:

                static const std::string PATH_TO_ALBUM_DIR;

                static const std::string ALBUM_IMG_PREFIX;

                static const std::string ALBUM_IMG_SUFFIX;

                static const std::string PATH_TO_MODEL_DIR;

                static const std::string MODEL_SUFFIX;

        private:

                // Disable both constructors, destructor and assignment operator
                TextureGenerator();
                ~TextureGenerator();
                TextureGenerator(const TextureGenerator &);
                TextureGenerator & operator=(const TextureGenerator &);

                static void setRGBAPixel(unsigned char* pixelBuffer,
                        unsigned long bufSize, unsigned long position,
                        unsigned char red, unsigned char green, unsigned char blue,
                        unsigned char alpha);

                static unsigned long cartesianToLinear(unsigned long width,
                        unsigned long x, unsigned long y)
                {
                        return x + y*width;
                }

                static unsigned char colourFloatToUC(float colourValue);

        public:

                static SoTexture2* generateSpaceBackground(
                        unsigned width, unsigned height, unsigned starCount);

                static SoTexture2* generateEarthSurface();

                static SoTexture2* generateMoonSurface();

                static SoTexture2* generateWireWall();

                static SoTexture2* generateTunnelWall(SbColor4f& startColour,
                        SbColor4f& endColour, unsigned lengthHalf);

                static AlbumContainer generateAlbum(const std::string& albumName);

                static SoFile* generateModel(const std::string& modelName);
};

#endif