Function main

examples/sdk_example2/sdk_example2.cpp:77–249

}

int main(int argc, const char* argv[])
{
#ifdef _WIN32
    double start_time = timeStampsec();
#endif
    if (argc < 4)
    {
        std::printf("Example2.exe SourceFile BCnFormat1 BCnFormat2 Quality\n");
        std::printf("This example shows how to compress a single image into two\n");
        std::printf("different BCn compression formats using multi threading\n");
        std::printf("Quality is in the range of 0.0 to 1.0\n");
        std::printf("When using DLL builds make sure the Compressonator_xx_DLL.dll is in exe path\n");
        std::printf("Usage: Example2.exe ruby.dds BC1 BC7 0.05\n");
        std::printf("this will generate a result_0.dds for BC1\n");
        std::printf("and                  result_1.dds for BC7\n");
        return 0;
    }

    // Note: No error checking is done on user arguments, so all parameters must be correct in this example
    // (files must exist, values correct format, etc..)
    const char* pszSourceFile = argv[1];
    CMP_FORMAT  destFormat[MXT];
    CMP_FLOAT   fQuality;

    destFormat[0] = ParseFormat(argv[2]);
    destFormat[1] = ParseFormat(argv[3]);

    if ((destFormat[0] == CMP_FORMAT_Unknown) || (destFormat[1] == CMP_FORMAT_Unknown))
    {
        std::printf("Error: Unsupported BCn destination format\n");
        return 0;
    }

    if (destFormat[0] == destFormat[1])
    {
        std::printf("Error: Please try two different BCn formats for this example\n");
        return 0;
    }

    try
    {
        fQuality = std::stof(argv[4]);
        if (fQuality < 0.0f)
        {
            fQuality = 0.0f;
            std::printf("Warning: Quality setting is out of range using 0.0\n");
        }
        if (fQuality > 1.0f)
        {
            fQuality = 1.0f;
            std::printf("Warning: Quality setting is out of range using 1.0\n");
        }
    }
    catch (...)
    {
        std::printf("Error: Unable to process quality setting\n");
        return -1;
    }