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();
}
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;
}
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();
}