void EnhanceApp::mouseUp( MouseEvent event )
{
if( mCtlDown )
{
int frame = int ( event.getPos().x / float(getWindowWidth()) * mMovie.getNumFrames() );
mMovie.seekToFrame( frame );
mCtlDown = false;
} else
if( mAltLockDown)
{
mScale += mScaleOffset;
mRot += mRotOffset;
mScaleOffset = mRotOffset = 0;
mAltLockDown = false;
} else
{
mAxisDisplay += mAxisOffset;
mAxisOffset = Vec2f::zero();
}
}
void ocvOpticalFlowApp::loadMovieFile( const fs::path &moviePath )
{
try {
// load up the movie, set it to loop, and begin playing
mMovie = qtime::MovieSurface( moviePath );
mMovie.setLoop();
mMovie.play();
// create a texture for showing some info about the movie
TextLayout infoText;
infoText.clear( ColorA( 0.2f, 0.2f, 0.2f, 0.5f ) );
infoText.setColor( Color::white() );
infoText.addCenteredLine( moviePath.filename().string() );
infoText.addLine( toString( mMovie.getWidth() ) + " x " + toString( mMovie.getHeight() ) + " pixels" );
infoText.addLine( toString( mMovie.getDuration() ) + " seconds" );
infoText.addLine( toString( mMovie.getNumFrames() ) + " frames" );
infoText.addLine( toString( mMovie.getFramerate() ) + " fps" );
infoText.setBorder( 4, 2 );
mInfoTexture = gl::Texture( infoText.render( true ) );
}
catch( ... ) {
console() << "Unable to load the movie." << std::endl;
mMovie.reset();
mInfoTexture.reset();
}
mFrameTexture.reset();
}
void EnhanceApp::loadMovieFile( const string &moviePath )
{
try {
mMovie = qtime::MovieSurface( moviePath );
console() << "Dimensions:" << mMovie.getWidth() << " x " << mMovie.getHeight() << std::endl;
console() << "Duration: " << mMovie.getDuration() << " seconds" << std::endl;
console() << "Frames: " << mMovie.getNumFrames() << std::endl;
console() << "Framerate: " << mMovie.getFramerate() << std::endl;
console() << "Alpha channel: " << mMovie.hasAlpha() << std::endl;
console() << "Has audio: " << mMovie.hasAudio() << " Has visuals: " << mMovie.hasVisuals() << std::endl;
mMovie.setLoop( true, true );
mMovie.setVolume(0);
mMovie.seekToStart();
mMovie.play();
}
catch( ... ) {
console() << "Unable to load the movie." << std::endl;
}
}
void EnhanceApp::mouseDrag( MouseEvent event )
{
//Vec2f offset = event.getPos() - mClickDown;
Vec2f offset = ( mClickDown - event.getPos()) * .5;
if( mCtlDown )
{
int frame = int ( event.getPos().x / float(getWindowWidth()) * mMovie.getNumFrames() );
mMovie.seekToFrame( frame );
} else
if( mAltLockDown)
{
mScaleOffset = offset.y / getWindowHeight();
mRotOffset = offset.x;
} else
{
mAxisOffset = offset;
}
}