From a838cfcaeb35fd85eae336f55ad5ceb495aca166 Mon Sep 17 00:00:00 2001
From: themancalledjakob <jakob@jrkb.land>
Date: Tue, 28 Mar 2023 19:18:45 +0200
Subject: [PATCH] iclude helpful clutter

---
 src/Layer.cpp | 86 ++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 85 insertions(+), 1 deletion(-)

diff --git a/src/Layer.cpp b/src/Layer.cpp
index 807489c..a1dba97 100644
--- a/src/Layer.cpp
+++ b/src/Layer.cpp
@@ -44,10 +44,15 @@ void MsdfLayer::draw(glm::vec3 position) const {
     ofSetColor(ofColor::pink);
     ofDrawLine(glm::vec2(0, 0), glm::vec2(ofGetWidth(), 0));
     ofPopStyle();
+    //atlas->getAtlasImage().draw(0, 0);
+    //cout << "drawing letters (" << ofToString(propsBuffer.size()) << ")" << endl;
+    char previous_c;
+    bool firstLetter = true;
     for(const char c : propsBuffer[0].text){
         ofxMsdfgen::GlyphGeometry gg = atlas->getGlyphGeometry(c);
         int x, y, w, h;
         gg.getBoxRect(x, y, w, h);
+        //y = atlas_h - (y + h);
         if(y < 0){
             // FIXME: make sure this does not happen
             ofLogError("MsdfLayer::draw") << "y smaller 0, this is not good" << endl;
@@ -61,16 +66,95 @@ void MsdfLayer::draw(glm::vec3 position) const {
         ofPushMatrix();
         float magic = ofMap(sin(ofGetElapsedTimeMicros() * 0.000001), -1, 1, 1, 200);
         magic = atlas->settings.scale;
+        auto fontMetrics = atlas->getFontGeometry().getMetrics();
+        float cender = (fontMetrics.ascenderY-fontMetrics.descenderY);
+        //magic *= cender;
+        //if(ofGetFrameNum() % 30 == 0){
+        //cout << "drawing letter " << c << endl
+        //<< "\tpl: " << ofToString(pl)
+        //<< "\tpb: " << ofToString(pb)
+        //<< "\tpr: " << ofToString(pr)
+        //<< "\tpt: " << ofToString(pt)
+        //<< endl;
+        //}
 
+        //ofPushMatrix();
+        //for(int i = 0; i < 2; i++){
+            //if(i == 1){
+                //ofRotateDeg(90);
+                //ofTranslate(400, -150, 0);
+            //}
+            //ofNoFill();
+            //ofSetColor(ofColor::white);
+            //ofDrawLine(glm::vec2(0, 90), glm::vec2(0, 140));
+            //ofSetColor(ofColor::lightGray);
+            //for(int i = 1; i < 3; i++){
+                //ofDrawLine(glm::vec2(i * 20, 90), glm::vec2(i * 20, 140));
+            //}
+            //ofFill();
+            //if(i == 0){
+                //ofSetColor(ofColor::red);
+                //ofDrawRectangle(0, 100, pl * 50, 10);
+                //ofSetColor(ofColor::lightBlue);
+                //ofDrawRectangle(0, 120, pr * 50, 10);
+                //ofSetColor(ofColor::green);
+                //ofDrawRectangle(0, 130, gg.getAdvance() * 50, 10);
+                //ofDrawBitmapStringHighlight(ofToString(gg.getAdvance()), 0, 150);
+                //ofDrawBitmapStringHighlight(ofToString(pl), 0, 170);
+                //ofDrawBitmapStringHighlight(ofToString(pb), 0, 190);
+                //ofDrawBitmapStringHighlight(ofToString(pr), 0, 210);
+                //ofDrawBitmapStringHighlight(ofToString(pt), 0, 230);
+            //}else{
+                //ofSetColor(ofColor::green);
+                //ofDrawRectangle(0, 110, pb * 50, 10);
+                //ofSetColor(ofColor::yellow);
+                //ofDrawRectangle(0, 130, pt * 50, 10);
+            //}
+        //}
+        //ofPopMatrix();
         shader->begin();
         ofSetColor(ofFloatColor(1, 1, 1, 1));
         ofTranslate(pl * magic, 0, 0);
         ofTranslate(0, -1 * pt * magic, 0);
+        msdf_atlas::unicode_t a = static_cast <msdf_atlas::unicode_t>(previous_c);
+        msdf_atlas::unicode_t b = static_cast <msdf_atlas::unicode_t>(c);
+        double advance = gg.getAdvance();
+        if(!firstLetter){
+            //cout << "this is being printed" << endl;
+            auto & fontGeometry = atlas->getFontGeometry();
+            const std::map <std::pair <int, int>, double> kerning = fontGeometry.getKerning();
+            ofxMsdfgen::GlyphGeometry gg_previous = atlas->getGlyphGeometry(c);
+
+            std::map <std::pair <int, int>, double>::const_iterator it = kerning.find(std::make_pair <int, int>(gg_previous.getIndex(), gg.getIndex()));
+            if(it != kerning.end()){
+            advance += it->second;
+            ofDrawBitmapStringHighlight(ofToString(it->second), 0, 200, ofColor::black, ofColor::pink);
+            }
+            ofPushStyle();
+            ofFill();
+            ofSetColor(ofColor::green);
+            ofDrawRectangle(0, 0, 400, 400);
+            ofPopStyle();
+            //fontGeometry.getAdvance(advance, 'a', 'b');
+            //cout << "first worked" << endl;
+            //fontGeometry.getAdvance(advance, a, b);
+            //cout << "this is maybeh being printed" << endl;
+            //bool gotAdvance = atlas->getFontGeometry().getAdvance(advance, a, b);
+            //cout << "this is being not printed" << endl;
+            //if(gotAdvance){
+            //ofTranslate(advance * magic, 0, 0);
+            //}
+        }else{
+            firstLetter = false;
+        }
+        msdf_atlas::GlyphBox gb;
         atlasImage.drawSubsection(0, 0, w, h, x, y, w, h);
         shader->end();
         ofPopMatrix();
         ofPopStyle();
-        ofTranslate(gg.getAdvance() * magic, 0, 0);
+        ofTranslate(advance * magic, 0, 0);
+        ofTranslate(-1 * pl * magic, 0, 0);
+        previous_c = c;
     }
     ofPopMatrix();
     //atlasImage.draw(x, y);