int main(int argc, char * argv[])
{
CvCapture *capture = cvCaptureFromCAM(0);
IplImage *frame = 0;
int key = 0;
printf("Enter the range for the hue to be preserved (low, high): ");
scanf("%d %d",&low, &high);
while(key != 27)
{
/* get a frame */
frame = cvQueryFrame( capture );
/* always check */
if( !frame ) break;
hsi(frame);
key = cvWaitKey(10);
//printf("%d %c\t",key, key);
}
return 0;
}
rspfRefPtr<rspfImageData> rspfHsiToRgbSource::getTile(
const rspfIrect& tileRect,
rspf_uint32 resLevel)
{
if(!theInputConnection)
{
return NULL; // This filter requires an input.
}
rspfRefPtr<rspfImageData> inputTile =
theInputConnection->getTile(tileRect, resLevel);
if(!isSourceEnabled())
{
return inputTile;
}
if(!theTile.valid())
{
allocate(); // First time through...
}
if( !inputTile.valid() ||
inputTile->getDataObjectStatus() == RSPF_NULL ||
inputTile->getDataObjectStatus() == RSPF_EMPTY )
{
theBlankTile->setImageRectangle(tileRect);
return theBlankTile;
}
if((inputTile->getNumberOfBands()==3)&&
(inputTile->getScalarType()==RSPF_NORMALIZED_FLOAT)&&
(inputTile->getDataObjectStatus()!=RSPF_NULL))
{
// Set the origin, resize if needed of the output tile.
theTile->setImageRectangle(tileRect);
rspf_uint8* outputBands[3];
float* inputBands[3];
outputBands[0] = static_cast<rspf_uint8*>(theTile->getBuf(0));
outputBands[1] = static_cast<rspf_uint8*>(theTile->getBuf(1));
outputBands[2] = static_cast<rspf_uint8*>(theTile->getBuf(2));
inputBands[0] = static_cast<float*>(inputTile->getBuf(0));
inputBands[1] = static_cast<float*>(inputTile->getBuf(1));
inputBands[2] = static_cast<float*>(inputTile->getBuf(2));
long height = inputTile->getHeight();
long width = inputTile->getWidth();
long offset = 0;
for(long row = 0; row < height; ++row)
{
for(long col = 0; col < width; ++col)
{
rspfHsiVector hsi(inputBands[0][offset],
inputBands[1][offset],
inputBands[2][offset]);
rspfRgbVector rgb(hsi);
outputBands[0][offset] = rgb.getR();
outputBands[1][offset] = rgb.getG();
outputBands[2][offset] = rgb.getB();
++offset;
}
}
}
else
{
return inputTile;
}
theTile->validate();
return theTile;
}
