void draw( cairo::Context &ctx ) const
{
// draw the solid petals
ctx.setSource( mColor );
makePath( ctx );
ctx.fill();
// draw the petal outlines
ctx.setSource( mColor * 0.8f );
makePath( ctx );
ctx.stroke();
};
void ContinuousPathApp::drawCurves(cairo::Context &ctx, Path2d path, float thickness, Color col)
{
ctx.setLineWidth(thickness);
ctx.setSource(col);
ctx.newSubPath();
int pointIndex = 0;
for (int i=0; i<path.getNumSegments(); i++) {
int segType = path.getSegmentType(i);
// change jumpIndex depending on the type of segment
switch(segType){
case Path2d::CUBICTO:
if(i==0) ctx.moveTo(path.getPoint(pointIndex));
// do a curve to using the next 2 points as the curves and the 3rd as the end point
ctx.curveTo(path.getPoint(pointIndex+1), path.getPoint(pointIndex+2), path.getPoint(pointIndex+3));
pointIndex += 3;
break;
case Path2d::MOVETO:
// don't do anything with this point
ctx.moveTo(path.getPoint(pointIndex));
pointIndex += 0;
break;
default:
pointIndex += 1;
break;
}
}
ctx.stroke();
}
void PathSimplificationApp::drawLine(cairo::Context &ctx, Vec2f const &pt1, Vec2f const &pt2, float thickness, Color col)
{
ctx.setLineWidth(thickness);
ctx.setSource(col);
ctx.newSubPath();
ctx.moveTo(pt1.x, pt1.y);
ctx.lineTo(pt2.x, pt2.y);
ctx.closePath();
ctx.stroke();
}
void CairoBasicApp::renderScene( cairo::Context &ctx )
{
// clear the context with our radial gradient
cairo::GradientRadial radialGrad( getWindowCenter(), 0, getWindowCenter(), getWindowWidth() );
radialGrad.addColorStop( 0, Color( 1, 1, 1 ) );
radialGrad.addColorStop( 1, Color( 0.6, 0.6, 0.6 ) );
ctx.setSource( radialGrad );
ctx.paint();
for( vector<Flower>::const_iterator flIt = mFlowers.begin(); flIt != mFlowers.end(); ++flIt )
flIt->draw( ctx );
}
void ContinuousPathApp::drawCircle(cairo::Context &ctx, Vec2f const &pt, double diameter, Color col, bool outline)
{
ctx.setLineWidth(1);
ctx.setSource( col );
ctx.newSubPath();
ctx.circle( pt.x, pt.y, diameter );
ctx.closePath();
if(outline){
ctx.stroke();
}else{
ctx.fill();
}
}
void Branch::draw( cairo::Context ctx )
{
if ( mLaunchDelay > 0 )
return;
if( ( mLifespan > 0 ) && ( ! mIsRoot ) ) {
float ageLerp = 1.0 - mLifespan / (float)mTotalLifespan;
float radius = lerp( mStartEllipseRadius, mEndEllipseRadius, ageLerp );
ColorA drawColor = lerp( mStartColor, mEndColor, ageLerp );
ctx.setSourceRgba( drawColor.r, drawColor.g, drawColor.b, 0.075f );
ctx.circle( mPos, ( 5.0f * mScale + radius * 1.3f ) / 2 );
ctx.fill();
ctx.setSource( drawColor );
ctx.circle( mPos, radius / 2 );
ctx.fill();
}
for( vector<Branch>::iterator blossomIt = mBranches.begin(); blossomIt != mBranches.end(); ++blossomIt ) {
blossomIt->draw( ctx );
}
}
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();
}
