void Triangulator::addShape( const Shape2d &shape, float approximationScale )
{
size_t numContours = shape.getContours().size();
for( size_t p = 0; p < numContours; ++p ) {
addPath( shape.getContour(p), approximationScale );
}
}
Shape2d Shape2d::transformCopy( const MatrixAffine2f &matrix ) const
{
Shape2d result;
for( vector<Path2d>::const_iterator contIt = mContours.begin(); contIt != mContours.end(); ++contIt )
result.appendContour( contIt->transformCopy( matrix ) );
return result;
}
PolyLine2f calcConvexHull( const Shape2d &shape )
{
polygon poly;
for( auto contourIt = shape.getContours().begin(); contourIt != shape.getContours().end(); ++contourIt )
includePathExtremeties( *contourIt, &poly );
polygon result;
boost::geometry::convex_hull( poly, result );
return toPolyLine<float>( result );
}
vector<PolyLine2f> PolygonBooleanApp::makeLetterA() const
{
vector<PolyLine2f> result;
Font arial( "Arial", 512 );
Shape2d shape = arial.getGlyphShape( arial.getGlyphChar( 'a' ) );
for( vector<Path2d>::const_iterator pathIt = shape.getContours().begin(); pathIt != shape.getContours().end(); ++pathIt ) {
PolyLine2f contour( pathIt->subdivide() );
contour.offset( vec2( 200, 260 ) );
result.push_back( contour );
}
return result;
}
void NIUserMaskApp::update()
{
if ( mNI.checkNewVideoFrame() )
{
Surface8u maskSurface = mNIUserTracker.getUserMask();
cv::Mat cvMask, cvMaskFiltered;
cvMask = toOcv( Channel8u( maskSurface ) );
cv::blur( cvMask, cvMaskFiltered, cv::Size( mBlurAmt, mBlurAmt ) );
cv::Mat dilateElm = cv::getStructuringElement( cv::MORPH_RECT,
cv::Size( mDilateAmt, mDilateAmt ) );
cv::Mat erodeElm = cv::getStructuringElement( cv::MORPH_RECT,
cv::Size( mErodeAmt, mErodeAmt ) );
cv::erode( cvMaskFiltered, cvMaskFiltered, erodeElm, cv::Point( -1, -1 ), 1 );
cv::dilate( cvMaskFiltered, cvMaskFiltered, dilateElm, cv::Point( -1, -1 ), 3 );
cv::erode( cvMaskFiltered, cvMaskFiltered, erodeElm, cv::Point( -1, -1 ), 1 );
cv::blur( cvMaskFiltered, cvMaskFiltered, cv::Size( mBlurAmt, mBlurAmt ) );
cv::threshold( cvMaskFiltered, cvMaskFiltered, mThres, 255, CV_THRESH_BINARY);
vector< vector< cv::Point > > contours;
cv::findContours( cvMaskFiltered, contours, CV_RETR_LIST, CV_CHAIN_APPROX_SIMPLE );
mShape.clear();
for ( vector< vector< cv::Point > >::const_iterator it = contours.begin();
it != contours.end(); ++it )
{
vector< cv::Point >::const_iterator pit = it->begin();
if ( it->empty() )
continue;
mShape.moveTo( fromOcv( *pit ) );
++pit;
for ( ; pit != it->end(); ++pit )
{
mShape.lineTo( fromOcv( *pit ) );
}
mShape.close();
}
}
}
void LocationApp::setup()
{
// Define properties
mHeading = 0.0f;
timeline().apply( &mRotationAngle, 0.0f, (float)(2 * M_PI), 8.0f ).loop();
timeline().apply( &mDotRadius, 0.0f, 0.1f, 0.5f ).loop();
LocationManager::enable();
LocationManager::getSignalLocationChanged().connect(
std::bind( &LocationApp::locationChanged, this, std::_1 ) );
#if defined( CINDER_COCOA_TOUCH )
LocationManager::getSignalHeadingChanged().connect(
std::bind( &LocationApp::headingChanged, this, std::_1 ) );
#endif
// Load globe texture,
setFrameRate( 60.0f );
mTexture = gl::Texture( loadImage( loadResource( RES_EARTH_JPG ) ) );
mTexture.setFlipped( true );
// Set up view
gl::enable( GL_TEXTURE_2D );
gl::enableAlphaBlending();
// Set up light
mLight = new gl::Light( gl::Light::DIRECTIONAL, 0 );
mLight->setDirection( Vec3f( 0.0f, 0.1f, 0.3f ).normalized() );
mLight->setAmbient( ColorAf::gray( 0.843f ) );
mLight->setDiffuse( ColorAf( 1.0f, 1.0f, 1.0f, 1.0f ) );
mLight->enable();
// Build the heading arrow
float size = 80.0f;
mArrow.moveTo( Vec2f( 0.0f, -size * 0.5f ) );
mArrow.lineTo( Vec2f( size * 0.5f, size * 0.5f ) );
mArrow.lineTo( Vec2f( 0.0f, size * 0.25f ) );
mArrow.lineTo( Vec2f( -size * 0.5f, size * 0.5f ) );
mArrow.close();
}
Shape2d getCenteredShape2dfromSVGDoc(svg::DocRef doc) {
Shape2d s = doc->getShape();
s.transform( MatrixAffine2f::makeTranslate( -doc->getSize()/2 ) );
return s;
}
void Shape2d::append( const Shape2d &shape )
{
for( vector<Path2d>::const_iterator pathIt = shape.getContours().begin(); pathIt != shape.getContours().end(); ++pathIt )
appendContour( *pathIt );
}
