jaus++/2.0/src/jaus/extras/video/reportimage.cpp

Go to the documentation of this file.

#include "jaus/extras/video/reportimage.h"

using namespace JAUS;


ReportImage::ReportImage(const Address& dest,
                         const Address& src) : Message(REPORT_IMAGE, dest, src)
{
    mCameraID = 0;
    mFormat = Image::RAW;
    mFrameNumber = 0;
}


ReportImage::ReportImage(const ReportImage& message) : Message(REPORT_IMAGE)
{
    mCameraID = 0;
    mFormat = Image::RAW;
    mFrameNumber = 0;
    *this = message;
}


ReportImage::~ReportImage()
{

}


int ReportImage::WriteMessageBody(Packet& packet) const
{
    int total = 0;
    int expected = BYTE_SIZE*2 + UINT_SIZE*2 + mImage.Length();

    total += packet.WriteByte(mCameraID);
    total += packet.Write(mFrameNumber);
    total += packet.WriteByte((Byte)mFormat);
    total += packet.Write(mImage.Length());
    total += packet.Write(mImage);

    return total == expected ? total : -1;
}


int ReportImage::ReadMessageBody(const Packet& packet) 
{
    int total = 0;
    int expected = BYTE_SIZE*2 + UINT_SIZE*2;
    unsigned int length = 0;

    total += packet.Read(mCameraID);
    total += packet.Read(mFrameNumber);
    total += packet.Read((Byte &)mFormat);
    total += packet.Read(length);

    if(length > 0)
    {
        total += packet.Read(mImage, length);
        expected += length;
    }

    return total == expected ? total : -1;
}


void ReportImage::ClearMessageBody()
{
    mFormat = Image::RAW;
    mCameraID = 0;
    mFrameNumber = 0;
    mImage.Clear();
}


bool ReportImage::IsLargeDataSet(const unsigned int maxPayloadSize) const
{
    unsigned int size = BYTE_SIZE + UINT_SIZE + mImage.Length();
    return size > maxPayloadSize;
}


ReportImage& ReportImage::operator =(const ReportImage& message)
{
    if(this != &message)
    {
        CopyHeaderData(&message);
        mCameraID = message.mCameraID;
        mFrameNumber = message.mFrameNumber;
        mFormat = message.mFormat;
        mImage = message.mImage;
    }
    return *this;
}


/* End of File */