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Diffstat (limited to 'nextus/src/vectorPlugin.cpp')
| -rw-r--r-- | nextus/src/vectorPlugin.cpp | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/nextus/src/vectorPlugin.cpp b/nextus/src/vectorPlugin.cpp new file mode 100644 index 0000000..03b7eaa --- /dev/null +++ b/nextus/src/vectorPlugin.cpp @@ -0,0 +1,192 @@ +#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; + + //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<<" "; + //} + //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(shapes_duration); + ofLog()<<"loaded SVG "<<filename<<", "<<segmenters.size()<<" paths"; + + } + else { + ofLog()<<"could not load SVG "<<filename; + } +} + +void svgPanel::select_random_shapes(float duration,bool generate){ + float timedelta=ofGetElapsedTimef()-last_frame_time; + last_frame_time=ofGetElapsedTimef(); + //track how long each shape has been selected + for (int i=0;i<shape_selection_durations.size();i++){ + if (shape_selection_durations[i]>0.0f){ + shape_selection_durations[i]=shape_selection_durations[i]-timedelta; + } + } + + shape_selection.clear(); + + for (int i=0;i<shape_selection_durations.size();i++){ + if (shape_selection_durations[i]>0.0f){ + 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){ + + //the toggle was pressed + //simulate a button + generate_shapes=false; + + 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]=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; + return output; + //if (!use_onset||onset_frame<onset_duration||shapes_randomise){ + if (shapes_randomise){ + //if (framecounter==0){ + // select_random_shapes(); + // framecounter=shapes_duration; + //} + select_random_shapes(shapes_duration,generate_shapes); //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; + } + */ + //} + +}
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