From 3b89e73c157f0eef8a3479b613491c8343f9c43b Mon Sep 17 00:00:00 2001
From: Tim Redfern <tim@getdrop.com>
Date: Tue, 18 Apr 2023 17:41:57 +0100
Subject: loads SVGs

---
 nextus/src/ofApp.cpp | 15 ++++++++++++++
 nextus/src/ofApp.h   | 57 +++++++++++++++++++++++++++++++++++++++++++---------
 2 files changed, 62 insertions(+), 10 deletions(-)

diff --git a/nextus/src/ofApp.cpp b/nextus/src/ofApp.cpp
index 3ace079..088c394 100644
--- a/nextus/src/ofApp.cpp
+++ b/nextus/src/ofApp.cpp
@@ -63,6 +63,21 @@ void ofApp::draw(){
 	svginput.draw();
 	textinput.draw();
 
+	//process the pipeline
+	vector<colourPolyline> output=svginput.getLines();
+
+	ofPushMatrix();
+	ofTranslate(695,5);
+	ofSetColor(255);
+	ofNoFill();
+	ofDrawRectangle(0,0,500,500);
+	ofTranslate(250,250);
+	ofScale(250.0f);
+	for (auto poly:output){
+		poly.draw();
+	}
+	ofPopMatrix();
+
 }
 
 
diff --git a/nextus/src/ofApp.h b/nextus/src/ofApp.h
index 352c6ca..a484129 100644
--- a/nextus/src/ofApp.h
+++ b/nextus/src/ofApp.h
@@ -36,11 +36,15 @@ class vectorPanel {
 			panel.draw();
 			ofPushMatrix();
 			ofTranslate(size/2);
-			drawcontent();
+			ofScale(DISPLAYSIZE.x/2.0f);
+			vector<colourPolyline> lines=getLines();
+			for (auto& line:lines){
+				line.draw();
+			}
 			ofPopMatrix();
 			ofPopMatrix();
 		}
-		virtual void drawcontent() {};;
+		virtual vector<colourPolyline> getLines() {};
 
 	private:
 		ofVec2f size;
@@ -56,16 +60,29 @@ class svgPanel: public vectorPanel{
 			ofVec2f _pos=ofPoint(5,5)
 			) : vectorPanel(_title,_size,_pos){}
 		void load(string filename){
-			ofLog()<<"loading SVG "<<filename;
-
+			
 			ofxSVG svg;
 			svg.load(filename);
 
 			//normalise the SVG paths to a square format
 
-			float scale=max(svg.getWidth(),svg.getHeight());
+			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)
+		    };
 
-			ofMatrix4x4 xform;
+		    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();
 
@@ -82,7 +99,19 @@ class svgPanel: public vectorPanel{
 						//strm << outline.size() << "->";
 						//outline.simplify(contour_simplify);
 						//strm << outline.size() << " ";
-						segmenters.push_back(colourLineSegmenter(outline,path.getStrokeColor()));
+						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);
 					}
 		
@@ -105,12 +134,20 @@ class svgPanel: public vectorPanel{
 				//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 drawcontent(){
-			for (auto shape=segmenters.begin();shape!=segmenters.end();shape++){
-				shape->getPoly().draw();
+		vector<colourPolyline> getLines(){
+			vector<colourPolyline> output;
+			for (auto& shape:segmenters){
+				output.push_back(shape.getPoly());
 			}
+			//ofLog()<<"svg found "<<output.size()<<" lines";
+			return output;
 		}
 
 	private:
-- 
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