private int GetImgByteCountChange(FrameInfo frameMetadataOfFrameEditing, FrameInfo newFrameMetadata, int newPixelDataLength)
{
// old byte count + imgByteCountChange = new byte count
if (frameMetadataOfFrameEditing.PixelFormat == PixelDataFormat.Link && newFrameMetadata.PixelFormat == PixelDataFormat.Link)
{
// If frame going from link to link, .img file is same length
return(0);
}
else if (frameMetadataOfFrameEditing.PixelFormat != PixelDataFormat.Link && newFrameMetadata.PixelFormat == PixelDataFormat.Link)
{
// Going from non-link to link
// old length is pixel data length + metadata of 36 bytes
// new length is 0 + metadata of 8 bytes
return(8 - (frameMetadataOfFrameEditing.GetPixelDataLength() + 36));
}
else if (frameMetadataOfFrameEditing.PixelFormat == PixelDataFormat.Link && newFrameMetadata.PixelFormat != PixelDataFormat.Link)
{
// Going from link to non-link
// old length is 0 + metadata of 8 bytes
// new length is newPixelDataLength + metadata of 36 bytes
return((newPixelDataLength + 36) - 8);
}
else
{
// Going from non-link to non-link
// Metadata is still 36 bytes
// difference is difference in pixel data
return(newPixelDataLength - frameMetadataOfFrameEditing.GetPixelDataLength());
}
}
