void SmilesApp::setup()
{
mSmileLimit = 4.0f;
mSmileAverageNumOfFrames = 10;
mCamIndex = 0;
mFps = getAverageFps();
try {
mCapture = Capture( CAMWIDTH, CAMHEIGHT );
mCapture.start();
}
catch( ... ) {
console() << "Failed to initialize capture" << std::endl;
}
mSmileRect = Rectf(300,100,600,400);
setupSmileDetector(mSmileRect.getInteriorArea().getWidth(), mSmileRect.getInteriorArea().getHeight());
console()<< mSmileRect.getInteriorArea().getWidth() << mSmileRect.getInteriorArea().getHeight() << endl;
mSmileThreshold = 0;
mSmileAverageIndex = 0;
mParams = params::InterfaceGl( "Parameters", Vec2i( 220, 170 ) );
mParams.addParam( "FPS", &mFps,"", true );
mParams.addSeparator();
mParams.addParam( "SmileResponse", &mSmileResponse, "", true );
mParams.addParam( "SmileThreshold", &mSmileThreshold, "", true );
mParams.addParam( "mSmileLimit", &mSmileLimit );
mParams.addParam( "mSmileAverageNumOfFrames", &mSmileAverageNumOfFrames );
}
void SmilesApp::update()
{
mFps = getAverageFps();
if(mCapture && mCapture.checkNewFrame() ){
mSurface = mCapture.getSurface();
}
if (mSurface){
mGreyChannel = Channel( mSurface.clone(mSmileRect.getInteriorArea()) );
int totalDetectionPixels = mGreyChannel.getWidth()*mGreyChannel.getHeight();
unsigned char * detectionPixels = mGreyChannel.getData();
for (int i = 0; i < totalDetectionPixels; i++){
mRImage_pixels->array[i] = detectionPixels[i];
}
detectSmiles(*mRImage_pixels);
//console() << smileThreshold << endl;
}
}
// This routine assumes that srcRect maps into dstArea
// and trims both the dst and the src proportionally to accommodate any clipping
void getClippedScaledRects( const Area &srcSurfaceBounds, const Rectf &srcRect, const Area &dstSurfaceBounds, const Area &dstArea, Rectf *resultSrcRect, Area *resultDstArea )
{
// clip the destination, create newSrcRect from mapping
Area clippedDst = dstArea.getClipBy( dstSurfaceBounds );
Rectf newSrcRect = RectMapping( Rectf( dstArea ), srcRect ).map( Rectf( clippedDst ) );
// clip the src, create newDstRect from mapping
newSrcRect.clipBy( Rectf( srcSurfaceBounds ) );
Rectf newDstRect = RectMapping( srcRect, Rectf( dstArea ) ).map( Rectf( newSrcRect ) );
// discretize and clip the destinaton
// the discretization is done to minimize the area
*resultDstArea = newDstRect.getInteriorArea();
resultDstArea->clipBy( dstSurfaceBounds );
// now map the discretized, clipped destination back once more to get the final source
*resultSrcRect = RectMapping( Rectf( dstArea ), srcRect ).map( Rectf( *resultDstArea ) );
// this is not kosher, but sometimes we need to fudge things on the src to keep it in bounds
resultSrcRect->clipBy( Rectf( srcSurfaceBounds ) );
}
void SmilesApp::mouseUp( MouseEvent event ){
mSmileRectDraggingCorner = -1;
setupSmileDetector(mSmileRect.getInteriorArea().getWidth(), mSmileRect.getInteriorArea().getHeight());
}
