void COpenCVgrabber::GenerateEmptyImage(ImgBuffer& img)
{
MMThreadGuard g(imgPixelsLock_);
if (img.Height() == 0 || img.Width() == 0 || img.Depth() == 0)
return;
unsigned char* pBuf = const_cast<unsigned char*>(img.GetPixels());
memset(pBuf, 0, img.Height()*img.Width()*img.Depth());
}
void CIDS_uEye::ClearImageBuffer(ImgBuffer& img)
{
MMThreadGuard g(imgPixelsLock_);
if (img.Height() == 0 || img.Width() == 0 || img.Depth() == 0)
return;
unsigned char* pBuf = const_cast<unsigned char*>(img.GetPixels());
memset(pBuf, 0, img.Height()*img.Width()*img.Depth());
}
int CoreCallback::InsertImage(const MM::Device* caller, const ImgBuffer & imgBuf)
{
Metadata md = imgBuf.GetMetadata();
unsigned char* p = const_cast<unsigned char*>(imgBuf.GetPixels());
MM::ImageProcessor* ip = GetImageProcessor(caller);
if( NULL != ip)
{
ip->Process(p, imgBuf.Width(), imgBuf.Height(), imgBuf.Depth());
}
return InsertImage(caller, imgBuf.GetPixels(), imgBuf.Width(),
imgBuf.Height(), imgBuf.Depth(), &md);
}
bool ImgBuffer::Compatible(const ImgBuffer& img) const
{
if ( Height() != img.Height() ||
Width() != img.Width() ||
Depth() != img.Depth())
return false;
return true;
}
int SpotCamera::NextSequentialImage(ImgBuffer& img)
{
int nRet = DEVICE_OK;
unsigned int bytesPerPixel; // e.g. 4 for RGB
// values from the device
unsigned int sourceheight, sourcewidth, sourcedepth;
char cdepth;
char *pData;
pData = pImplementation_->GetNextSequentialImage( sourceheight, sourcewidth, cdepth );
sourcedepth = (int)cdepth;
if (3 == sourcedepth)
{
bytesPerPixel = 4;
}
else
{
bytesPerPixel = (int)sourcedepth;
}
// EF: set the number of channels depending on the picture returned
if ( cdepth < 3 ) {
numberOfChannels_ = 1;
} else {
numberOfChannels_ = 4;
}
const unsigned long bytesRequired = sourceheight*sourcewidth*bytesPerPixel;
if( (rawBufferSize_ < bytesRequired ) ||
(sourceheight != (unsigned int)img.Height()) ||
(sourcewidth != (unsigned int)img.Width()) ||
(bytesPerPixel !=img.Depth()) )
{
this->ResizeImageBuffer( sourcewidth, sourceheight, bytesPerPixel);
}
unsigned int destdepth = img.Depth();
unsigned int destwidth = img.Width();
unsigned int destheight = img.Height();
//memset(ptemp, 0, destdepth*destwidth*destheight);
// handle case where buffer doesn't match returned image size
/*
unsigned int xdest, ydest;//, xsource, ysource;
int roffsetdest, goffsetdest, boffsetdest;
int roffsetsource, goffsetsource, boffsetsource;
unsigned int workingwidth = min(destwidth, sourcewidth);
unsigned int workingheight = min(destheight, sourceheight);
*/
unsigned char* ptemp = img.GetPixelsRW();
memset(ptemp,0, destdepth*destwidth*destheight);
// memcpy for all platforms now
memcpy( ptemp, pData, destdepth*destwidth*destheight);
/* Byte arrangement done in SpotDevice
#ifndef WIN32 // __APPLE__
memcpy( ptemp, pData, destdepth*destwidth*destheight);
#else
#if 1 // no right left swap needed
for( ydest = 0; ydest < workingheight; ++ydest)
{
for( xdest = 0; xdest < workingwidth; ++xdest)
{
roffsetdest = xdest*destdepth + destdepth*ydest*destwidth;
goffsetdest = roffsetdest + 1;
boffsetdest = goffsetdest + 1;
roffsetsource = xdest*sourcedepth + sourcedepth*ydest*sourcewidth;
goffsetsource = roffsetsource + 1;
boffsetsource = goffsetsource + 1;
ptemp[roffsetdest] = pData[roffsetsource];
if( 1 < destdepth)
{
ptemp[goffsetdest] = pData[goffsetsource];
ptemp[boffsetdest] = pData[boffsetsource];
}
}
}
#endif
#if 0
for( ydest = 0; ydest < workingheight; ++ydest)
{
for( int xsource = 0; xsource < workingwidth; ++xsource)
{
xdest = workingwidth - 1 - xsource;
roffsetdest = xdest*destdepth + destdepth*ydest*destwidth;
goffsetdest = roffsetdest + 1;
boffsetdest = goffsetdest + 1;
roffsetsource = xsource*sourcedepth + sourcedepth*ydest*sourcewidth;
goffsetsource = roffsetsource + 1;
boffsetsource = goffsetsource + 1;
ptemp[roffsetdest] = pData[roffsetsource];
if( 1 < destdepth)
{
ptemp[goffsetdest] = pData[goffsetsource];
ptemp[boffsetdest] = pData[boffsetsource];
}
}
}
#endif
//img.SetPixels(ptemp);
#endif
*/
return nRet;
}