165 lines
4.8 KiB
C++
165 lines
4.8 KiB
C++
#include "ofApp.h"
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#include "generator-config.h"
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#include "ofFileUtils.h"
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#include "ofGraphics.h"
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#include "ofUtils.h"
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#include "save-bmp.h"
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//--------------------------------------------------------------
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void ofApp::setup(){
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string fontName = "RobotoFlex.ttf";
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fontPath = "data/fonts/" + fontName;
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int dimension = 64;
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int width = dimension;
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int height = dimension;
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FreetypeHandle * ft = initializeFreetype();
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if(ft){
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const char * fontPath_c_str = fontPath.c_str();
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FontHandle * font = loadFont(ft, fontPath_c_str);
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if(font){
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Shape shape;
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if(loadGlyph(shape, font, 'a')){
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shape.normalize();
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Shape::Bounds bounds = shape.getBounds();
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double pxRange = 2;
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Vector2 translate;
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Vector2 scale = 1;
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double range = 1;
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double avgScale = .5 * (scale.x + scale.y);
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// Auto-frame
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double l = bounds.l, b = bounds.b, r = bounds.r, t = bounds.t;
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Vector2 frame(width, height);
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double m = .5 + (double)0;
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frame -= 2 * m * pxRange;
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if(l >= r || b >= t){
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l = 0, b = 0, r = 1, t = 1;
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}
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if(frame.x <= 0 || frame.y <= 0){
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ofLogError("Cannot fit the specified pixel range.");
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}
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Vector2 dims(r - l, t - b);
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if(dims.x * frame.y < dims.y * frame.x){
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translate.set(.5 * (frame.x / frame.y * dims.y - dims.x) - l, -b);
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scale = avgScale = frame.y / dims.y;
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}else{
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translate.set(-l, .5 * (frame.y / frame.x * dims.x - dims.y) - b);
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scale = avgScale = frame.x / dims.x;
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}
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translate += m * pxRange / scale;
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range = pxRange / std::min(scale.x, scale.y);
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// max. angle
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edgeColoringSimple(shape, 3.0);
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// image width, height
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Bitmap <float, 3> msdf(dimension, dimension);
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msdfgen::Projection projection(scale, translate);
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msdfgen::MSDFGeneratorConfig generatorConfig;
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generateMSDF(msdf, shape, projection, range, generatorConfig);
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ofxMsdfgen::toOfImage(msdf, image);
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msdfgen::saveBmp(msdf, "data/outpurt.bmp");
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}
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destroyFont(font);
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}
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deinitializeFreetype(ft);
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}
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#ifdef TARGET_EMSCRIPTEN
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shader.load("ofxMsdfgen/shaders/simple/ES3/shader");
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#else
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shader.load("ofxMsdfgen/shaders/simple/GL3/shader");
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#endif
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}
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//--------------------------------------------------------------
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void ofApp::update(){
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}
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//--------------------------------------------------------------
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void ofApp::draw(){
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ofBackground(ofColor::lightGreen);
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shader.begin();
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float pxRange = ofMap(sin(ofGetElapsedTimeMillis() * 0.001),
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-1, 1,
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1, 100);
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shader.setUniform1f("pxRange", pxRange);
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shader.setUniformTexture("msdf", image.getTexture(), 0);
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shader.setUniform4f("fontColor", ofFloatColor::white);
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image.draw(0, 0, ofGetHeight(), ofGetHeight());
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shader.end();
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ofPushStyle();
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ofSetColor(ofColor::purple);
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ofDrawBitmapString("pxRange: " + ofToString(pxRange), 20, 20);
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ofPopStyle();
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image.draw(0, 0, 64 * 4, 64 * 4);
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}
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//--------------------------------------------------------------
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void ofApp::keyPressed(int key){
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if(key == 's'){
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ofSaveImage(image, "output.png");
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ofSaveImage(image, "output.jpg");
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image.save("outerput.png");
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}
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}
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//--------------------------------------------------------------
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void ofApp::keyReleased(int key){
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}
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//--------------------------------------------------------------
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void ofApp::mouseMoved(int x, int y){
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}
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//--------------------------------------------------------------
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void ofApp::mouseDragged(int x, int y, int button){
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}
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//--------------------------------------------------------------
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void ofApp::mousePressed(int x, int y, int button){
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}
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//--------------------------------------------------------------
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void ofApp::mouseReleased(int x, int y, int button){
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}
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//--------------------------------------------------------------
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void ofApp::mouseEntered(int x, int y){
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}
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//--------------------------------------------------------------
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void ofApp::mouseExited(int x, int y){
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}
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//--------------------------------------------------------------
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void ofApp::windowResized(int w, int h){
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}
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//--------------------------------------------------------------
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void ofApp::gotMessage(ofMessage msg){
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}
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//--------------------------------------------------------------
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void ofApp::dragEvent(ofDragInfo dragInfo){
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}
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