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#include "vectorPlugin.h"
void svgPanel::load(string filename){
ofxSVG svg;
svg.load(filename);
//normalise the SVG paths to a square format
float dimension=max(svg.getWidth(),svg.getHeight());
glm::vec2 src[]={
glm::vec2(0,0),
glm::vec2(dimension,0),
glm::vec2(dimension,dimension),
glm::vec2(0,dimension)
};
glm::vec2 dst[]={ //PONK coords
glm::vec2(-1,-1),
glm::vec2(1,-1),
glm::vec2(1,1),
glm::vec2(-1,1)
};
ofMatrix4x4 xform=lineTransformer::getPerspectiveTransformMatrix(src,dst);
vector <ofPath> imagepaths= svg.getPaths();
std::stringstream strm;
if (imagepaths.size()){
segmenters.clear();
//shape_selection_durations.clear();
for (auto& path:imagepaths){
path.setPolyWindingMode(OF_POLY_WINDING_ODD);
vector <ofPolyline> outlines= path.getOutline();
for (auto& outline:outlines){
//strm << outline.size() << "->";
//outline.simplify(contour_simplify); //?necessary
//strm << outline.size() << " ";
ofPolyline xformed=lineTransformer::polyLineTransform(xform,outline);
ofColor c1=path.getStrokeColor();
ofColor colour=path.getFillColor();
if (colour.r==colour.g&&colour.g==colour.b){
colour=c1;
}
segmenters.push_back(
colourLineSegmenter(
xformed,
path.getStrokeColor()
)
);
shape_selection_durations.push_back(0.0f);
}
//strm << " , ";
}
//std::stringstream strom;
//last_frame_time=ofGetElapsedTimef();
//cout << "SVG: selected paths [ "<<strom.str() << " ]" <<std::endl;
//cout << "SVG: found " << imagepaths.size() << " paths with " << segmenters.size() << " shapes [ " << strm.str() << " ]" <<std::endl;
select_random_shapes();
ofLog()<<"loaded SVG "<<filename<<", "<<segmenters.size()<<" paths";
}
else {
ofLog()<<"could not load SVG "<<filename;
}
}
void svgPanel::select_random_shapes(){
shape_selection.clear();
while (shape_selection.size()<(segmenters.size()*shapes_amount)){
int selection=(int)ofRandom(0,segmenters.size());
shape_selection.insert(selection);
}
for (auto s:shape_selection){
float spawn=(ofRandom(0,(float)shapes_duration));
shape_selection_durations[s]=spawn;
//strom << s << ":"<<spawn<<" ";
}
}
void svgPanel::update_random_shapes(bool generate=true){
shape_selection.clear();
//track how long each shape has been selected and recreate the selection
for (int i=0;i<shape_selection_durations.size();i++){
if (shape_selection_durations[i]>timedelta){
shape_selection_durations[i]-=timedelta;
shape_selection.insert(i);
}
}
//
/*
std::stringstream strom;
for (auto& s:shape_selection){
strom << s <<":"<<shape_selection_durations[s]<<" ";
}
cout << timedelta <<": decay selection: "<<shape_selection.size()<<" shapes (" << strom.str() <<") \n";
*/
if (generate){
while (shape_selection.size()<(segmenters.size()*shapes_amount)){
int selection=rand()%segmenters.size();
if (shape_selection.find(selection)==shape_selection.end()){
shape_selection_durations[selection]=shapes_duration+ofRandom(1.0f);
shape_selection.insert(selection);
}
}
/*
std::stringstream strm;
for (auto& s:shape_selection){
strm << s <<":"<<shape_selection_durations[s]<<" ";
}
cout << "random selection: "<<shape_selection.size()<<" shapes (" << strm.str() <<") \n";
*/
}
}
vector<colourPolyline> svgPanel::getAllLines(){
vector<colourPolyline> output;
for (auto& shape:segmenters){
output.push_back(shape.getPoly());
}
return output;
}
vector<colourPolyline> svgPanel::getLines(){
vector<colourPolyline> output;
//if (!use_onset||onset_frame<onset_duration||shapes_randomise){
if (shapes_randomise){
//if (framecounter==0){
// select_random_shapes();
// framecounter=shapes_duration;
//}
update_random_shapes(true); //from audio !use_onset||onset_frame<onset_duration);
for (auto s:shape_selection){
if (use_segmenter){
auto segments=segmenters[s].getSegments(segmenter_number,segmenter_length,phase);
for (auto segment=segments.begin();segment!=segments.end();segment++){
//output.push_back(colourPolyline(*segment,ofColor(laser_R,laser_G,laser_B)));
output.push_back(*segment);
}
}
else {
//output.push_back(colourPolyline(segmenters[s].getPoly(),ofColor(laser_R,laser_G,laser_B)));
output.push_back(segmenters[s].getPoly());
}
}
framecounter--;
}
else {
for (auto shape=segmenters.begin();shape!=segmenters.end();shape++){
if (use_segmenter){
auto segments=shape->getSegments(segmenter_number,segmenter_length,phase);
for (auto segment=segments.begin();segment!=segments.end();segment++){
//output.push_back(colourPolyline(*segment,ofColor(laser_R,laser_G,laser_B)));
output.push_back(*segment);
}
}
else {
//output.push_back(colourPolyline(shape->getPoly(),ofColor(laser_R,laser_G,laser_B)));
output.push_back(shape->getPoly());
}
}
}
/*
this should happen at output stage?
if (contour_useColour){
vector<colourPolyline> newPolys;
for (auto p: output){
newPolys.push_back(colourPolyline((ofPolyline)p,ofColor(laser_R,laser_G,laser_B))) ;
}
output=newPolys;
}
*/
//}
return output;
}
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