openMVS代码逐行解析系列（2）

• 一、openMVS/libs/MVS/Image.cpp文件代码解析

IMAGEPTR Image::OpenImage(const String& fileName)
{
	#if 0
	if (Util::isFullPath(fileName))
		return IMAGEPTR(CImage::Create(fileName, CImage::READ));
	return IMAGEPTR(CImage::Create((Util::getCurrentFolder()+fileName).c_str(), CImage::READ));
	#else
	return IMAGEPTR(CImage::Create(fileName, CImage::READ));
	#endif
} // OpenImage

IMAGEPTR Image::ReadImageHeader(const String& fileName)
{
	std::cout << "2" << fileName << std::endl;
	IMAGEPTR pImage(OpenImage(fileName));
	if (pImage == NULL || FAILED(pImage->ReadHeader())) {
		LOG("error: failed loading image header");
		pImage.Release();
	}
	return pImage;
} // ReadImageHeader

IMAGEPTR Image::ReadImage(const String& fileName, Image8U3& image)
{
	std::cout << "3" << fileName << std::endl;
	IMAGEPTR pImage(OpenImage(fileName));
	if (pImage != NULL && !ReadImage(pImage, image))
		pImage.Release();
	return pImage;
} // ReadImage