nvidia-texture-tools/src/nvtt/OutputOptions.h

// Copyright (c) 2009-2011 Ignacio Castano <castano@gmail.com>
// Copyright (c) 2007-2009 NVIDIA Corporation -- Ignacio Castano <icastano@nvidia.com>
// 
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.

#ifndef NV_TT_OUTPUTOPTIONS_H
#define NV_TT_OUTPUTOPTIONS_H

#include "nvtt.h"

#include "nvcore/StrLib.h" // Path
#include "nvcore/StdStream.h"


namespace nvtt
{

    struct DefaultOutputHandler : public nvtt::OutputHandler
    {
        DefaultOutputHandler(const char * fileName) : stream(fileName) {}
        DefaultOutputHandler(FILE * fp) : stream(fp, false) {}

        virtual ~DefaultOutputHandler() {}

        virtual void beginImage(int size, int width, int height, int depth, int face, int miplevel)
        {
            // ignore.
        }

        // Output data.
        virtual bool writeData(const void * data, int size)
        {
            stream.serialize(const_cast<void *>(data), size);

            //return !stream.isError();
            return true;
        }

        virtual void endImage()
        {
            // ignore.
        }

        nv::StdOutputStream stream;
    };


    struct OutputOptions::Private
    {
        nv::Path fileName;
        FILE * fileHandle;

        OutputHandler * outputHandler;
        ErrorHandler * errorHandler;

        bool outputHeader;
        Container container;
        int version;
        bool srgb;
        bool deleteOutputHandler;

        void * wrapperProxy;    // For the C/C# wrapper.

        bool hasValidOutputHandler() const;

        void beginImage(int size, int width, int height, int depth, int face, int miplevel) const;
        bool writeData(const void * data, int size) const;
        void endImage() const;
        void error(Error e) const;
    };


} // nvtt namespace


#endif // NV_TT_OUTPUTOPTIONS_H