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#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;
};
//how to deal with words
class glyphbanner{
ofXml SVGFont;
vector<glyph> glyphs;
vector<colourPolyline> outlines;
ofVec2f centre;
float lastUpdateTime;
vector<string> split(string s) {
size_t pos_start = 0, pos_end;
string token;
vector<string> res;
while ((pos_end = s.find (" ", pos_start)) != string::npos) {
token = s.substr (pos_start, pos_end - pos_start);
pos_start = pos_end + 1;
res.push_back (token);
}
res.push_back (s.substr (pos_start));
return res;
}
public:
glyphbanner(){};
void init(string message){
vector<string> m=split(message);
for (auto& word: m){
for (auto& c: word){
addGlyph(c,ofColor::fromHsb(ofRandom(255.0),225,255));
}
addGlyph(' ');
}
lastUpdateTime=ofGetElapsedTimef();
}
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();
}
void update(){
//calculate params for word/letter anim
}
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;
};
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