DdsLoader.h

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#ifndef GLIMG_DIRECT_DRAW_SURFACE_LOADER_H
#define GLIMG_DIRECT_DRAW_SURFACE_LOADER_H

#include <string>
#include "ImageSet.h"

namespace glimg
{
    namespace loaders
    {
        namespace dds
        {

            class DdsLoaderException : public std::exception
            {
            public:
            
                virtual ~DdsLoaderException() throw() {}

                virtual const char *what() const throw() {return message.c_str();}

            protected:
                std::string message;
            };

            class DdsFileNotFoundException : public DdsLoaderException
            {
            public:
                explicit DdsFileNotFoundException(const std::string &filename)
                {
                    message = "The file \"" + filename + "\" could not be found.";
                }
            };

            class DdsFileMalformedException : public DdsLoaderException
            {
            public:
                DdsFileMalformedException(const std::string &filename, const std::string &msg)
                {
                    if(filename.empty())
                        message = "The data is not a properly formatted DDS.\n";
                    else
                        message = "The file \"" + filename + "\" is not a proper DDS file.\n";

                    message += msg;
                }
            };

            class DdsFileUnsupportedException : public DdsLoaderException
            {
            public:
                DdsFileUnsupportedException(const std::string &filename, const std::string &msg)
                {
                    if(filename.empty())
                        message = "The data uses DDS features that are not yet supported.\n";
                    else
                        message = "The file \"" + filename + "\" uses DDS features that are not yet supported.\n";

                    message += msg;
                }
            };

            ImageSet *LoadFromFile(const std::string &filename);

            ImageSet *LoadFromMemory(const unsigned char *buffer, size_t bufSize);
        }
    }
}

#endif //GLIMG_DIRECT_DRAW_SURFACE_LOADER_H