image-loader.cpp

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/*
 * image-loader.cpp
 *
 * Test program to show how to link against the wavepacket SDK library.
 *
 * Loads an image and diplays some metadata.
 */

// includes --------------------------------------------------------------------
#include <iostream>

#include "nstream/nstream.h"
#include "perf/perf.h"
#include "util/file.h"
#include "wave-image/wave-image.h"



////////////////////////////////////////////////////////////////////////////////
//
//      entry point
//
////////////////////////////////////////////////////////////////////////////////

int
main
(
IN int argc,
IN const char * argv[]
)
{
        ASSERT(2 == argc, "Usage: load-image <image-path>");
        const char * filename = argv[1];
        DPRINTF("Attempting to load image: '%s'", filename);

        int retval = 0;

        try {
                // get parent directory
                std::string parent;
                GetParentDirectory(filename, parent);
                const char * dir = parent.c_str();
                if (!*dir) {
                        dir = ".";
                }

                // create filesystem stream manager
                smart_ptr<nstream::Manager> mgr =
                    nstream::getFilesystemManager(dir);
                ASSERT(mgr, "failed to get filesystem manager");

                // get path
                const char * name = GetFilename(filename);

                // load image
                media::image_t img;
                if (!loadImage(mgr, name, img)) {
                        WAVE_EX(wex);
                        wex << "Failed to open image file: " << filename;
                }

                // write information
                img.dump(filename);

        } catch(std::exception& e) {
                DPRINTF("EXCEPTION: %s", e.what());
                retval = 1;
        }

        perf::dumpTimingSummary(std::cerr);

        return retval;
}