void WisteriaApp::update()
{
// Iterate all the blossoms, update each one and notice if they are all idle
bool isIdle = true;
for( vector<Branch>::iterator blossomIt = mBlossoms.begin(); blossomIt != mBlossoms.end(); ++blossomIt ) {
blossomIt->update();
if( blossomIt->isAlive() )
isIdle = false;
}
if( isIdle && ( ! mIsIdle ) ) {
mIsIdle = true; // first frame of idleness
mIdleFrames = 0;
}
else if( isIdle ) { // the blossoms have all not changed in a while, let's clear them out and put up some new ones
if( mIdleFrames++ > IDLE_RESTART_FRAMES ) {
// clear the context
mOffscreenContext.setSourceRgb( 0.23f, 0.23f, 0.23f );
mOffscreenContext.paint();
mBlossoms.clear();
mBlossoms.push_back( Branch( Vec2f( Rand::randFloat( WIDTH ), Rand::randFloat( HEIGHT ) ), Branch::randomHue(), 0 ) );
mBlossoms.push_back( Branch( Vec2f( Rand::randFloat( WIDTH ), Rand::randFloat( HEIGHT ) ), Branch::randomHue(), 180 ) );
mBlossoms.push_back( Branch( Vec2f( Rand::randFloat( WIDTH ), Rand::randFloat( HEIGHT ) ), Branch::randomHue(), 320 ) );
mIsIdle = false;
}
}
}
void bsplineApp::drawBSpline( cairo::Context &ctx )
{
if( mPoints.size() > (size_t)mDegree ) {
ctx.setLineWidth( 2.5f );
ctx.setSourceRgb( 1.0f, 0.5f, 0.25f );
ctx.appendPath( Path2d( BSpline2f( mPoints, mDegree, mLoop, mOpen ) ) );
ctx.stroke();
// ctx.fill();
}
}
void fontSampleApp::drawCharacterVerbose( cairo::Context &ctx, vec2 where )
{
cairo::Matrix prevMat;
ctx.getMatrix( &prevMat );
// draw it filled
ctx.setSourceRgb( 1.0f, 1.0, 0.5f );
ctx.translate( where );
// Uncomment below to render the character filled
// ctx.appendPath( mShape );
// ctx.fill();
VerboseCharDraw verb( ctx );
mShape.iterate<VerboseCharDraw>( verb );
ctx.setMatrix( prevMat );
}
void WisteriaApp::setup()
{
// allocate our offscreen buffer
mOffscreenBuffer = cairo::SurfaceImage( WIDTH, HEIGHT, false );
mOffscreenContext = cairo::Context( mOffscreenBuffer );
// fill the buffer with gray
mOffscreenContext.setSourceRgb( 0.23f, 0.23f, 0.23f );
mOffscreenContext.paint();
// Let the Branches know how big our windows is
Branch::setWindowSize( WIDTH, HEIGHT );
// Create some starting blossoms
mBlossoms.push_back( Branch( Vec2f( WIDTH - 50, 50 ), 0.619444444f, 0 ) );
mBlossoms.push_back( Branch( Vec2f( 60, HEIGHT - 60 ), 0.905f, 180 ) );
mBlossoms.push_back( Branch( Vec2f( WIDTH / 2, HEIGHT / 2 ), 0.105555556f, 320 ) );
mIsIdle = false;
mIdleFrames = 0;
}
void NodeView::draw(cairo::Context &theG) {
_size = _calculateSize();
cairo::GradientLinear myGradient(0, 0, 0, _size.y);
if(_node->state() == WARNING) {
myGradient.addColorStop(0.15, Colorf(0.518, 0.298, 0.298*0.5));
myGradient.addColorStop(0.85, Colorf(0.898, 0.467, 0.0));
} else if(_node->state() == ERROR) {
myGradient.addColorStop(0.15, Colorf(0.5, 0, 0));
myGradient.addColorStop(0.85, Colorf(0.8, 0, 0));
} else {
myGradient.addColorStop(0.15, Colorf(0.14, 0.12, 0.129));
myGradient.addColorStop(0.85, Colorf(0.227, 0.188, 0.2));
}
Rectf myRect;
myRect.set(0, 0, _size.x, _size.y);
Vec2f myCorrection(0.5, 0.5);
theG.translate(myCorrection);
theG.translate(_position);
theG.setSourceRgb(0.7, 0.7, 0.7);
theG.roundedRectangle(myRect, 2);
theG.setLineWidth(1);
theG.stroke();
theG.translate(Vec2f(-0.5, -0.5));
theG.setSource(myGradient);
theG.roundedRectangle(myRect, 2);
theG.fill();
// for(int i = 0; i < _node->inputs().size(); i++) {
// NodeInputBase *myInput = _node->inputs()[i];
// int myX = _size.x - (i * PIN_WIDTH + (i-1) * PIN_SPACING + PIN_SPACING + PIN_WIDTH);
//
// theG.setSourceRgb(0.8, 0.8, 0.8);
// theG.rectangle(myX - PIN_WIDTH, 0, PIN_WIDTH, PIN_HEIGHT);
// theG.fill();
//
//
//
// }
//
//
//
// for(int i = 0; i < _node->outputs().size(); i++) {
// NodeOutputBase *myOutput = _node->outputs()[i];
//
// int myX = _size.x - (i * PIN_WIDTH + (i-1) * PIN_SPACING + PIN_SPACING + PIN_WIDTH);
//
// theG.setSourceRgb(0.8, 0.8, 0.8);
// theG.rectangle(myX - PIN_WIDTH, _size.y - PIN_HEIGHT, PIN_WIDTH, PIN_HEIGHT);
// theG.fill();
// }
theG.translate(Vec2f(5, _size.y - 5));
theG.setSourceRgb(0.8, 0.8, 0.8);
theG.setFont( _font );
theG.setFontSize( 10 );
theG.showText( _node->name() );
theG.fill();
theG.setSourceRgb(1.0, 0, 0);
theG.flush();
}