#include <QvSFImage.h>

// Can't use macro, since we define a constructor.

QvSFImage::QvSFImage()
{
    size[0] = size[1] = 0;
    numComponents = 0;
    bytes = NULL;
}

QvSFImage::~QvSFImage()
{
    if (bytes != NULL)
	delete [] bytes;
}
QvBool
QvSFImage::readValue(QvInput *in)
{
    if (! in->read(size[0]) ||
	! in->read(size[1]) ||
	! in->read(numComponents))
	return FALSE;
    
    if (bytes != NULL)
	delete [] bytes;
    bytes = new unsigned char[size[0] * size[1] * numComponents];

    int byte = 0;
    for (int i = 0; i < size[0] * size[1]; i++) {
	unsigned long l;
	if (! in->read(l))
	    return FALSE;
	for (int j = 0; j < numComponents; j++)
	    bytes[byte++] =
		(unsigned char) ((l >> (8*(numComponents-j-1))) & 0xFF);
    }
    return TRUE;
}