Exemple #1
0
vector<ofPoint*> ofxGetPointsFromPath(ofPath &path) {
    vector<ofPoint*> points;
    vector<ofSubPath> &subpaths = path.getSubPaths();
    for (int i=0; i<subpaths.size(); i++) {
        vector<ofSubPath::Command> &commands = subpaths[i].getCommands();
        for (int j=0; j<commands.size(); j++) {
            points.push_back(&commands[j].to);
        }
    }
    return points;
}
//-----------------------------------------------------------------------------------
void ofxCairoTexture::draw(ofPath & shape){
	cairo_new_path(cr);
	vector<ofSubPath> & paths = shape.getSubPaths();
	for(int i=0;i<(int)paths.size();i++){
		draw(paths[i]);
	}
	
	cairo_fill_rule_t cairo_poly_mode;
	if(shape.getWindingMode()==OF_POLY_WINDING_ODD) cairo_poly_mode=CAIRO_FILL_RULE_EVEN_ODD;
	else cairo_poly_mode=CAIRO_FILL_RULE_WINDING;
	
	cairo_set_fill_rule(cr,cairo_poly_mode);
	
	
	ofColor prevColor;
	if(shape.getUseShapeColor()){
		//printf("using color!\n");
		prevColor = ofGetStyle().color;
	}
	
	if(shape.isFilled()){
		if(shape.getUseShapeColor()){
			ofColor c = shape.getFillColor() * ofGetStyle().color;
			c.a = shape.getFillColor().a/255. * ofGetStyle().color.a;
			//printf("color %i %i %i %i!\n", shape.getFillColor().r, shape.getFillColor().g, shape.getFillColor().b, shape.getFillColor().a);
			//printf("style %f %f %f %f!\n", (float)ofGetStyle().color.r/255.0, (float)ofGetStyle().color.g/255.0, (float)ofGetStyle().color.b/255.0, (float)ofGetStyle().color.a/255.0);
			//printf("alpha %f %f!\n", (float)c.a, ofGetStyle().color.a);
			cairo_set_source_rgba(cr, (float)c.r/255.0, (float)c.g/255.0, (float)c.b/255.0, (float)c.a/255.0);
		}
		
		if(shape.hasOutline()){
			cairo_fill_preserve( cr );
		}else{
			cairo_fill(cr);
		}
	}
	if(shape.hasOutline()){
		float lineWidth = ofGetStyle().lineWidth;
		if(shape.getUseShapeColor()){
			ofColor c = shape.getFillColor() * ofGetStyle().color;
			c.a = shape.getFillColor().a/255. * ofGetStyle().color.a;
			cairo_set_source_rgba(cr, (float)c.r/255.0, (float)c.g/255.0, (float)c.b/255.0, (float)c.a/255.0);
		}
		cairo_set_line_width( cr, shape.getStrokeWidth() );
		cairo_stroke( cr );
		cairo_set_line_width( cr, lineWidth );
	}
	
	if(shape.getUseShapeColor()){
		setColor(prevColor);
	}
	ofPopStyle();
}
Exemple #3
0
vector<ofPolyline> ofxGetPolylinesFromPath(ofPath path) {
    vector<ofPolyline> polylines;
    vector<ofSubPath> &subpaths = path.getSubPaths();
    for (int i=0; i<subpaths.size(); i++) {
        ofPolyline poly;
        vector<ofSubPath::Command> &commands = subpaths[i].getCommands();
        for (int j=0; j<commands.size()-1; j++) {
            poly.addVertex(commands[i].to);
        }
        polylines.push_back(poly);
    }
    return polylines;
}
Exemple #4
0
void ofxSimplifyPath(ofPath &path, int iterations, float amount, float distance) { //wat doet amount?? should be distance???
    for (int iteration=0; iteration<iterations; iteration++) {
        vector<ofSubPath> &subpaths = path.getSubPaths();
        for (int i=0; i<subpaths.size(); i++) {
            vector<ofSubPath::Command> &commands = subpaths[i].getCommands();
            if (commands.size()<amount) continue;
            for (int j=1; j<commands.size()-2; j++) { //laat eerste en laatste punt met rust
                if (commands[j].to.distance(commands[j+1].to)<distance) {
                    commands[j].to = (commands[j].to+commands[j+1].to)/2;
                    commands.erase(commands.begin()+j+1);
                }
            }
        }
    }
    path.flagShapeChanged();
}
void ofxSimplifyPath(ofPath &path, int iterations, float amount) {
    for (int iteration=0; iteration<iterations; iteration++) {
        vector<ofSubPath> &subpaths = path.getSubPaths();
        for (int i=0; i<subpaths.size(); i++) {
            vector<ofSubPath::Command> &commands = subpaths[i].getCommands();
            if (commands.size()<amount) continue;
            for (int j=0; j<commands.size()-1; j++) {
                if (commands[j].to.distance(commands[j+1].to)<3) {
                    commands[j].to = (commands[j].to+commands[j+1].to)/2;
                    commands.erase(commands.begin()+j+1);
                }
            }
        }
    }
    path.flagShapeChanged();
}