check in lasertest

3 files changed, 323 insertions, 0 deletions

diff --git a/lasertext/src/main.cpp b/lasertext/src/main.cpp
new file mode 100644
index 0000000..3e20ab7
--- /dev/null
+++ b/lasertext/src/main.cpp
@@ -0,0 +1,22 @@
+#include "ofMain.h"
+#include "ofApp.h"
+
+
+//========================================================================
+int main(int argc, char *argv[]){
+
+
+	ofGLFWWindowSettings settings;
+
+	settings.setSize(1200,900);
+
+	//1200 = 13.2° = 42898 pts theoretical
+
+	shared_ptr<ofAppBaseWindow> mainWindow = ofCreateWindow(settings);
+
+	shared_ptr<ofApp> mainApp(new ofApp);
+	
+	ofRunApp(mainWindow, mainApp);
+	ofRunMainLoop();
+}
+	
\ No newline at end of file
diff --git a/lasertext/src/ofApp.cpp b/lasertext/src/ofApp.cpp
new file mode 100644
index 0000000..b6f4061
--- /dev/null
+++ b/lasertext/src/ofApp.cpp
@@ -0,0 +1,135 @@
+#include "ofApp.h"
+#include "glew.h"
+
+/*
+what do we want to store/control per letter?
+*/
+
+
+int MAX_POINTS=40000;
+int LASER_INTENSITY=128;
+
+//--------------------------------------------------------------
+void ofApp::setup(){
+	fonts.open("fonts/");
+	fonts.allowExt("svg");
+	fonts.listDir();
+	ofLogNotice()<<"found "<<fonts.size()<<" fonts";
+
+	currentFont=0;
+	banner.loadFont("fonts/EMSPepita.svg"); //fonts.getPath(currentFont));
+	banner.init({"Everything","Is","Going","To","Be","Alright"});
+
+	laser.set_pts(MAX_POINTS);
+    laser.set_intensity(LASER_INTENSITY);
+}
+//--------------------------------------------------------------
+void ofApp::update(){
+	
+}
+
+//--------------------------------------------------------------	
+void ofApp::draw(){
+	ofBackground(0,0,0);
+	ofSetColor(255,255,255);
+
+	vector<colourPolyline> shapes = banner.getOutlines();
+
+	int num = laser.draw(shapes);
+
+	//banner.draw();
+
+	ofPushMatrix();
+	ofTranslate(ofGetWidth()/2,ofGetHeight()/2);
+	//ofScale(0.05,-0.05,0.05);
+	for (auto& s: shapes) s.draw();
+	ofPopMatrix();
+
+    if (num>0){
+        ofSetWindowTitle(ofToString(ofGetFrameRate(), 2)+" fps laser points: "+ofToString(num));
+    }
+    else {
+        ofSetWindowTitle(ofToString(ofGetFrameRate(), 2)+" fps laser error ");
+    }
+
+}
+
+
+//--------------------------------------------------------------
+void ofApp::exit() {
+	
+}
+
+
+
+//--------------------------------------------------------------
+void ofApp::keyPressed(ofKeyEventArgs &args){
+
+
+
+}
+
+
+
+//--------------------------------------------------------------
+void ofApp::keyReleased(int key){
+	if (key>=' '&&key<='~'){
+		banner.addGlyph(key,ofColor::fromHsb(ofRandom(255.0),225,255));
+	}
+	else if (key==OF_KEY_BACKSPACE||key==OF_KEY_DEL) { //DEL
+		banner.removeGlyph();
+	}
+	ofLog()<<banner.length()<<" "<<key<<" "<<banner.text();
+
+	switch(key){
+		case OF_KEY_UP:{
+			currentFont=(currentFont+1)%fonts.size();
+			banner.loadFont(fonts.getPath(currentFont));
+			break;
+		}
+		case OF_KEY_DOWN:{
+			currentFont--;
+			if (currentFont<0) currentFont=fonts.size()-1;
+			banner.loadFont(fonts.getPath(currentFont));
+			break;
+		}
+	}
+	
+}
+
+//--------------------------------------------------------------
+void ofApp::mouseMoved(int x, int y ){
+
+}
+
+//--------------------------------------------------------------
+void ofApp::mouseDragged(int x, int y, int button){
+}
+
+//--------------------------------------------------------------
+void ofApp::mousePressed(int x, int y, int button){
+}
+
+//--------------------------------------------------------------
+void ofApp::mouseReleased(int x, int y, int button){
+}
+
+//--------------------------------------------------------------
+void ofApp::mouseEntered(int x, int y){
+}
+
+//--------------------------------------------------------------
+void ofApp::mouseExited(int x, int y){
+}
+
+//--------------------------------------------------------------
+void ofApp::windowResized(int w, int h){
+}
+
+//--------------------------------------------------------------
+void ofApp::gotMessage(ofMessage msg){
+}
+
+//--------------------------------------------------------------
+void ofApp::dragEvent(ofDragInfo dragInfo){ 
+}
diff --git a/lasertext/src/ofApp.h b/lasertext/src/ofApp.h
new file mode 100644
index 0000000..e8c7da9
--- /dev/null
+++ b/lasertext/src/ofApp.h
@@ -0,0 +1,166 @@
+#pragma once
+
+#include "ofMain.h"
+#include "ofxSvg.h"
+
+#include "ofxHelios.h"
+#include "colourPolyline.h"
+
+class glyph{
+public:
+	glyph(char c,float w,vector<ofPolyline> lines){
+		glyph(c,w,lines,ofColor(0,0,0));
+	}
+	glyph(char c,float w,vector<ofPolyline> lines,ofColor col){
+		code=c;
+		width=w;
+		outline=lines;
+		colour=col;
+	}
+	void draw(float x, float y){
+		ofSetColor(colour);
+		ofPushMatrix();
+		ofTranslate(x,y);
+		for (auto& v:outline) v.draw();
+		ofPopMatrix();
+	}
+	char code;
+	float width;
+	vector<ofPolyline> outline;
+	ofColor colour;
+};
+
+class glyphbanner{
+	ofXml SVGFont;
+	vector<glyph> glyphs;
+	vector<colourPolyline> outlines;
+	ofVec2f centre;
+public:	
+	glyphbanner(){};
+	void init(vector<string> message){
+		for (auto& word: message){
+			for (auto& c: word){
+				addGlyph(c,ofColor::fromHsb(ofRandom(255.0),225,255));
+			}
+			addGlyph(' ');
+		}
+	}
+	int length(){return glyphs.size();}
+	float width(){
+		float w=0.0f;
+		for (auto& i:glyphs) w+=i.width;
+		return w;
+	}
+	string text(){
+		string s;
+		for (auto& i:glyphs) s+=ofToString(i.code);
+		return s;
+	}
+	vector<ofColor> colours(){
+		vector<ofColor> c;
+		for (auto& i:glyphs) c.push_back(i.colour);
+		return c;
+	}
+	void loadFont(filesystem::path path){
+		if( SVGFont.load(path) ){
+			vector<glyph> g=glyphs;
+			clear();
+			createGlyphs(g);
+	        ofLog()<<"loaded "<<path.stem().string();
+	    }else{
+	        ofLog()<<"unable to load "<<path<<" check data/ folder";
+	    }
+
+	}
+	void createGlyphs(string text){
+		for (auto& c:text) addGlyph(c);
+	}
+	void createGlyphs(vector<glyph> _g){
+		for (auto& g:_g) addGlyph(g.code,g.colour);
+	}
+	void addGlyph(char c,ofColor col=ofColor(255,255,255)){
+		vector<ofPolyline> shapes;
+		ofPolyline shape;
+		string elementPath = "/svg/defs/font/glyph[@unicode='"+ofToString(c)+"']";
+
+		if(SVGFont.findFirst(elementPath) == 0 ){
+            elementPath = "/svg/defs/font/glyph[@unicode='?']";
+        }
+        
+        ofXml xmlElement = SVGFont.findFirst(elementPath);
+        
+        float charWidth = ofToFloat(xmlElement.getAttribute("horiz-adv-x").getValue());
+        
+        vector<string> splitGlyphPath = ofSplitString(xmlElement.getAttribute("d").getValue(), " ");//glyph path data in SVG looks like this: "M 139 -9.45 L 230 18.9 L 299 22.1 L 227 25.2"
+        
+        for(int i=0; i<splitGlyphPath.size(); i+=3){
+            if(splitGlyphPath[i] == "M"){
+            	if (shape.size()) {
+            		shapes.push_back(shape);
+            		shape.clear();
+            	}
+                shape.addVertex(ofToFloat(splitGlyphPath[i+1]), ofToFloat(splitGlyphPath[i+2]));
+            }else if(splitGlyphPath[i] == "L"){
+                shape.lineTo(ofToFloat(splitGlyphPath[i+1]), ofToFloat(splitGlyphPath[i+2]));
+            }
+        }
+        if (shape.size()) shapes.push_back(shape);
+        glyphs.push_back(glyph(c,charWidth,shapes,col));
+	}
+	void removeGlyph(){glyphs.pop_back();}
+	void clear(){glyphs.clear();}
+	void randomiseColours();
+	void draw(){
+		float p=(-width())/2;
+		ofPushMatrix();
+		ofTranslate(ofGetWidth()/2,ofGetHeight()/2);
+		ofScale(0.05,-0.05,0.05);
+		for (auto& i:glyphs){
+			i.draw(p,0);
+			p+=i.width;
+		}
+		ofPopMatrix();
+	}
+	vector<colourPolyline>& getOutlines(){
+		outlines.clear();
+		float p=(-width())/2;
+		for (auto& i:glyphs){
+			for (auto& o:i.outline){
+				auto q=o;	
+				q.scale(.05,-.05);
+				q.translate(glm::vec3(p*.05,0,0));
+				outlines.push_back(colourPolyline(q,i.colour));
+			}
+			p+=i.width;
+		}
+		return outlines;
+	}
+};
+
+class ofApp : public ofBaseApp{
+
+	public:
+		void setup();
+		void update();
+		void draw();
+		void exit();
+		void keyPressed(ofKeyEventArgs &keyargs);
+		void keyReleased(int key);
+		void mouseMoved(int x, int y );
+		void mouseDragged(int x, int y, int button);
+		void mousePressed(int x, int y, int button);
+		void mouseReleased(int x, int y, int button);
+		void mouseEntered(int x, int y);
+		void mouseExited(int x, int y);
+		void windowResized(int w, int h);
+		void dragEvent(ofDragInfo dragInfo);
+		void gotMessage(ofMessage msg);
+
+        ofxHelios laser;
+
+        ofDirectory fonts;
+        int currentFont;
+        string displaytext;
+        glyphbanner banner;
+
+};