hkvExternalToolTexConv::hkvExternalToolTexConv(const hkvTextureTransformationSettings& settings, 
  const char* sourceFile, const char* targetFile, bool forceDxt10)
: hkvExternalToolTransformation(sourceFile, targetFile), m_forceDxt10(forceDxt10)
{
  determineExecutablePath();
  determineCommandLineParameters(settings, sourceFile, targetFile);
}
hkvExternalToolNvDxt::hkvExternalToolNvDxt(const hkvTextureTransformationSettings& settings, 
  const char* sourceFile, const char* targetFile)
: hkvExternalToolTransformation(sourceFile, targetFile)
{
  determineExecutablePath();
  determineCommandLineParameters(settings, sourceFile, targetFile);
}
hkvExternalToolPvrTexTool::hkvExternalToolPvrTexTool(const hkvTextureTransformationSettings& settings, 
  const char* sourceFile, const char* targetFile)
: hkvExternalToolTransformation(sourceFile, targetFile)
{
  determineExecutablePath();
  determineCommandLineParameters(settings, sourceFile, targetFile);
  m_idlePriority = true;
}