diff options
| -rw-r--r-- | lasertext/src/ofApp.h | 262 | ||||
| -rw-r--r-- | lasertext/src/vectortext.h | 269 |
2 files changed, 270 insertions, 261 deletions
diff --git a/lasertext/src/ofApp.h b/lasertext/src/ofApp.h index a099cf6..621b729 100644 --- a/lasertext/src/ofApp.h +++ b/lasertext/src/ofApp.h @@ -8,6 +8,7 @@ #include "ofxHelios.h" #include "lineTransformer.h" #include "colourPolyline.h" +#include "vectortext.h" class scannableColourPolyline: public colourPolyline{ public: @@ -109,268 +110,7 @@ public: } }; -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(); - } - void randomiseColour(){ - colour=ofColor::fromHsb(ofRandom(255.0),225,255); - } - char code; - float width; - vector<ofPolyline> outline; - ofColor colour; -}; - -class glyphWord{ -public: - glyphWord(){amount=1.0f;} - vector<glyph> glyphs; - float amount; -}; - -class glyphbanner{ - ofXml SVGFont; - vector<glyphWord> words; - vector<colourPolyline> outlines; - ofVec2f centre; - float lastUpdateTime; - float playhead; - float enspace; - vector<ofColor> palette; - struct { - vector<ofColor> balanced={ - ofColor::fromHex(0xE27D60), - ofColor::fromHex(0x085DCB), - ofColor::fromHex(0xE8A87C), - ofColor::fromHex(0xC38D9E), - ofColor::fromHex(0x41B3A3) - }; - vector<ofColor> uneasy={ - ofColor::fromHex(0x2154B9), - ofColor::fromHex(0xC45A62), - ofColor::fromHex(0x95A28A), - ofColor::fromHex(0x98546D), - ofColor::fromHex(0xE9DADA), - ofColor::fromHex(0x9FF3E9), - ofColor::fromHex(0xD07B37), - ofColor::fromHex(0x741710), - ofColor::fromHex(0x102ADC), - ofColor::fromHex(0x9FA1AC) - }; - }palettes; - 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(){ - palette=palettes.uneasy; - }; - void init(string message){ - createWords(message); - lastUpdateTime=ofGetElapsedTimef(); - playhead=0.0f; - } - int length(){ - int l=0; - for (auto& w:words) { - l+=w.glyphs.size(); - } - return l+max(0,(int)words.size()-1); - } - float width(){ - float _w=0.0f; - for (auto& w:words) { - for (auto& g:w.glyphs) _w+=g.width; - } - return _w+max((float)(words.size()-1)*enspace,0.0f); - } - int glyphCount(){ - int c=0; - for (auto& w:words){ - c+=w.glyphs.size(); - } - return c; - } - string text(){ - string s; - for (auto& w:words) { - for (auto& g:w.glyphs) s+=ofToString(g.code); - } - return s; - } - void loadFont(filesystem::path path){ - if( SVGFont.load(path) ){ - vector<glyphWord> w=words; - clear(); - createWords(w); - enspace=getGlyph(' ').width; - ofLog()<<"loaded "<<path.stem().string(); - }else{ - ofLog()<<"unable to load "<<path<<" check data/ folder"; - } - } - void createWords(string message,bool usePalette=false){ - clear(); - vector<string> m=split(message); - for (auto& word: m){ - glyphWord w; - for (auto& c: word){ - w.glyphs.push_back(getGlyph(c, - usePalette? - palette[ofRandom(palette.size())]: - //112->231 hue sat 0->255 brightness 255 - ofColor::fromHsb(ofRandom(119)+112,ofRandom(255),255) - )); - } - words.push_back(w); - } - //ofLog()<<"created "<<words.size()<<" words"; - } - void createWords(vector<glyphWord> _words){ - clear(); - for (auto& _w:_words) { - glyphWord w; - for (auto& g: _w.glyphs){ - w.glyphs.push_back(getGlyph(g.code,g.colour)); - } - words.push_back(w); - } - } - glyph getGlyph(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); - return glyph(c,charWidth,shapes,col); - } - void addGlyph(char g,bool usePalette=false){ - if (g==' ') words.push_back(glyphWord()); - else { - words[words.size()-1].glyphs.push_back(getGlyph(g, - usePalette? - palette[ofRandom(palette.size())]: - ofColor::fromHsb(ofRandom(119)+112,ofRandom(255),255) - )); - } - } - void removeGlyph(){ - if (words.size()){ - glyphWord lw=words[words.size()-1]; - lw.glyphs.pop_back(); - if (!lw.glyphs.size()){ - words.pop_back(); - } - } - } - void clear(){words.clear();} - void update(float speed=1.0f,float usePalette=false){ - - float delta=ofGetElapsedTimef()-lastUpdateTime; - lastUpdateTime=ofGetElapsedTimef(); - playhead+=delta*speed; - - int theword=0; - float segment=0.0f; - if (false){ //1 word per second - theword=int(playhead)%words.size(); - segment=playhead-int(playhead); - } - else { //proportional to #of letters - int theletter=int(playhead)%glyphCount(); - theword=0; - while(theletter>words[theword].glyphs.size()){ - theletter-=words[theword].glyphs.size(); - theword++; - } - float playfraction=playhead-int(playhead); - - //segment=(((float)theletter+words[theword].glyphs.size()+playhead-int(playhead))/words[theword].glyphs.size()); - segment=(((float)theletter+playfraction-1)/words[theword].glyphs.size()); - } - //calculate params for word/letter anim - for (int i=0;i<words.size();i++){ - words[i].amount=(i==theword?sin(segment*3.14):0); - for (auto& g:words[i].glyphs){ - if (ofRandom(100)<speed) { - g.colour= - usePalette? - palette[ofRandom(palette.size())]: - ofColor::fromHsb(ofRandom(119)+112,ofRandom(255),255); - } - } - } - - - } - vector<colourPolyline>& getOutlines(float s=1.0f){ - outlines.clear(); - float p=(-width())/2; - for (auto& w:words){ - for (auto& g:w.glyphs){ - if (w.amount>0.0f){ - for (auto& o:g.outline){ - auto q=o; - q.scale(s,-s); - q.translate(glm::vec3(p*s,-ofGetHeight()/3,0)); - outlines.push_back(colourPolyline(q,g.colour*w.amount)); - } - } - p+=g.width; - } - p+=enspace; - } - return outlines; - } -}; class ofApp : public ofBaseApp{ diff --git a/lasertext/src/vectortext.h b/lasertext/src/vectortext.h new file mode 100644 index 0000000..088ee96 --- /dev/null +++ b/lasertext/src/vectortext.h @@ -0,0 +1,269 @@ +#pragma once + +#include "ofMain.h" +#include "ofxSvg.h" +#include "lineTransformer.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(); + } + void randomiseColour(){ + colour=ofColor::fromHsb(ofRandom(255.0),225,255); + } + char code; + float width; + vector<ofPolyline> outline; + ofColor colour; +}; + +class glyphWord{ +public: + glyphWord(){amount=1.0f;} + vector<glyph> glyphs; + float amount; +}; + +class glyphbanner{ + ofXml SVGFont; + vector<glyphWord> words; + vector<colourPolyline> outlines; + ofVec2f centre; + float lastUpdateTime; + float playhead; + float enspace; + vector<ofColor> palette; + struct { + vector<ofColor> balanced={ + ofColor::fromHex(0xE27D60), + ofColor::fromHex(0x085DCB), + ofColor::fromHex(0xE8A87C), + ofColor::fromHex(0xC38D9E), + ofColor::fromHex(0x41B3A3) + }; + vector<ofColor> uneasy={ + ofColor::fromHex(0x2154B9), + ofColor::fromHex(0xC45A62), + ofColor::fromHex(0x95A28A), + ofColor::fromHex(0x98546D), + ofColor::fromHex(0xE9DADA), + ofColor::fromHex(0x9FF3E9), + ofColor::fromHex(0xD07B37), + ofColor::fromHex(0x741710), + ofColor::fromHex(0x102ADC), + ofColor::fromHex(0x9FA1AC) + }; + }palettes; + 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(){ + palette=palettes.uneasy; + }; + void init(string message){ + createWords(message); + lastUpdateTime=ofGetElapsedTimef(); + playhead=0.0f; + } + int length(){ + int l=0; + for (auto& w:words) { + l+=w.glyphs.size(); + } + return l+max(0,(int)words.size()-1); + } + float width(){ + float _w=0.0f; + for (auto& w:words) { + for (auto& g:w.glyphs) _w+=g.width; + } + return _w+max((float)(words.size()-1)*enspace,0.0f); + } + int glyphCount(){ + int c=0; + for (auto& w:words){ + c+=w.glyphs.size(); + } + return c; + } + string text(){ + string s; + for (auto& w:words) { + for (auto& g:w.glyphs) s+=ofToString(g.code); + } + return s; + } + void loadFont(filesystem::path path){ + if( SVGFont.load(path) ){ + vector<glyphWord> w=words; + clear(); + createWords(w); + enspace=getGlyph(' ').width; + ofLog()<<"loaded "<<path.stem().string(); + }else{ + ofLog()<<"unable to load "<<path<<" check data/ folder"; + } + + } + void createWords(string message,bool usePalette=false){ + clear(); + vector<string> m=split(message); + for (auto& word: m){ + glyphWord w; + for (auto& c: word){ + w.glyphs.push_back(getGlyph(c, + usePalette? + palette[ofRandom(palette.size())]: + //112->231 hue sat 0->255 brightness 255 + ofColor::fromHsb(ofRandom(119)+112,ofRandom(255),255) + )); + } + words.push_back(w); + } + //ofLog()<<"created "<<words.size()<<" words"; + } + void createWords(vector<glyphWord> _words){ + clear(); + for (auto& _w:_words) { + glyphWord w; + for (auto& g: _w.glyphs){ + w.glyphs.push_back(getGlyph(g.code,g.colour)); + } + words.push_back(w); + } + } + glyph getGlyph(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); + return glyph(c,charWidth,shapes,col); + } + void addGlyph(char g,bool usePalette=false){ + if (g==' ') words.push_back(glyphWord()); + else { + words[words.size()-1].glyphs.push_back(getGlyph(g, + usePalette? + palette[ofRandom(palette.size())]: + ofColor::fromHsb(ofRandom(119)+112,ofRandom(255),255) + )); + } + } + void removeGlyph(){ + if (words.size()){ + glyphWord lw=words[words.size()-1]; + lw.glyphs.pop_back(); + if (!lw.glyphs.size()){ + words.pop_back(); + } + } + } + void clear(){words.clear();} + void update(float speed=1.0f,float usePalette=false){ + + float delta=ofGetElapsedTimef()-lastUpdateTime; + lastUpdateTime=ofGetElapsedTimef(); + playhead+=delta*speed; + + int theword=0; + float segment=0.0f; + if (false){ //1 word per second + theword=int(playhead)%words.size(); + segment=playhead-int(playhead); + } + else { //proportional to #of letters + int theletter=int(playhead)%glyphCount(); + theword=0; + while(theletter>words[theword].glyphs.size()){ + theletter-=words[theword].glyphs.size(); + theword++; + } + float playfraction=playhead-int(playhead); + + //segment=(((float)theletter+words[theword].glyphs.size()+playhead-int(playhead))/words[theword].glyphs.size()); + segment=(((float)theletter+playfraction-1)/words[theword].glyphs.size()); + } + //calculate params for word/letter anim + for (int i=0;i<words.size();i++){ + words[i].amount=(i==theword?sin(segment*3.14):0); + for (auto& g:words[i].glyphs){ + if (ofRandom(100)<speed) { + g.colour= + usePalette? + palette[ofRandom(palette.size())]: + ofColor::fromHsb(ofRandom(119)+112,ofRandom(255),255); + } + } + } + + + } + vector<colourPolyline>& getOutlines(float s=1.0f){ + outlines.clear(); + float p=(-width())/2; + for (auto& w:words){ + for (auto& g:w.glyphs){ + if (w.amount>0.0f){ + for (auto& o:g.outline){ + auto q=o; + q.scale(s,-s); + q.translate(glm::vec3(p*s,-ofGetHeight()/3,0)); + outlines.push_back(colourPolyline(q,g.colour*w.amount)); + } + } + p+=g.width; + } + p+=enspace; + } + return outlines; + } +};
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