prepare to connect with theatrejs

src/GPUFontAtlasLayerCombo.cpp

@@ -64,12 +64,34 @@ void GPUFontAtlasLayerCombo::update(){
     //font->prepareGlyphsForText(mainText, true);
     //}
     //}
+    for(const auto & layer : layers){
+        if(layer->isDirtyDirty()){
+            isDirty = true;
+            break;
+        }
+    }
     if(isDirty){
         //ofxGPUFont::tryUpdateMainFont(library,
         //this->identifier.fontPath,
         //mainText,
         //font,
         //this->settings.gpuTextureOffset);
+        // update the text
+        // this doesn't happen very often, so let's just
+        // iterate over all layers and calculate fresh
+        std::string text = "";
+        totalCharacters = 0;
+        for(const auto & layer : layers){
+            std::string layerText = layer->getProps().text;
+            totalCharacters += layerText.length();
+            text += layerText;
+            layer->setDirtyDirty(false); // technically not clean yet
+                                         // but this is synchronous
+                                         // and will happen, so we can avoid
+                                         // another loop
+        }
+        removeDuplicateCharacters(text);
+        mainText = text;
         font->prepareGlyphsForText(mainText, true);
         isDirty = false;
     }
@@ -130,6 +152,7 @@ void GPUFontAtlasLayerCombo::setVFlip(VFlipState vFlipState){
 const vector <shared_ptr <GPUFontLayer> > & GPUFontAtlasLayerCombo::getLayers(){
     return layers;
 }
+bool lalala = false;
 void GPUFontAtlasLayerCombo::draw(){
     GLuint location;
 
@@ -207,7 +230,14 @@ void GPUFontAtlasLayerCombo::draw(){
                                             layer->getProps().text,
                                             vertices, indices, true,
                                             layer->getProps().fontSize_px);
+            if(!lalala){
+                nlohmann::json json;
+                auto props = layer->getProps();
+                props.to_json(json, props);
+                cout << "prooops:" << json.dump(2);
+            }
         }
+        lalala = true;
         vertices.resize(totalCharacters * 4);
         indices.resize(totalCharacters * 6);
         //cx = 0.5f * (bb.minX + bb.maxX);

src/GPUFontLayer.cpp

@@ -10,15 +10,12 @@ namespace ofxVariableLab {
 void GPUFontLayer::setup(const LayerSettings & settings){
     this->settings = settings;
     if(id == ""){
-        id = ofToString(Layer::n_layers);
+        id = "layer-" + ofToString(Layer::n_layers);
         n_layers++;
     }
 }
 
 void GPUFontLayer::update(){
-    if(isDirty){
-        isDirty = false;
-    }
 }
 
 void GPUFontLayer::draw(glm::vec3 position){
@@ -37,22 +34,27 @@ void GPUFontLayer::setVFlip(const VFlipState vFlip){
     this->vFlip = vFlip;
 }
 
-//void GPUFontLayer::setAtlas(shared_ptr <ofxGPUFont::Atlas> _atlas){
+bool GPUFontLayer::isDirtyDirty() const {
-//atlas = _atlas;
+    return isDirty;
-//// TODO: this does not seem proper
+}
-//propsBuffer[0].fontSize_px = atlas->settings.scale;
+
-//}
+void GPUFontLayer::setDirtyDirty(bool dirtyDirty){
-//shared_ptr <ofxGPUFont::Atlas> GPUFontLayer::getAtlas() const {
+    isDirty = dirtyDirty;
-//return atlas;
+}
-//}
+
 void GPUFontLayer::setProps(const Props & props){
+    // TODO: for now only check text,
+    // but we should of course check also variations
+    if(propsBuffer.size() == 0 || props.text != propsBuffer[0].text){
+        setDirtyDirty(true);
+    }
     while(propsBuffer.size() > max(0, int(settings.maxBufferSize - 1))){
         propsBuffer.pop_back();
     }
     propsBuffer.push_front(props);
 }
 const Layer::Props & GPUFontLayer::getProps() const {
-    return propsBuffer[0];
+    return propsBuffer[0]; // gets newest
 }
 void GPUFontLayer::clearPropsBuffer(){
     propsBuffer.clear();

src/GPUFontLayer.h

@@ -34,6 +34,8 @@ class GPUFontLayer : public Layer {
 
         const Type & getType() const override;
         void setVFlip(const VFlipState vFlip) override;
+        bool isDirtyDirty() const override;
+        void setDirtyDirty(bool dirtyDirty) override;
 
         //void setAtlas(shared_ptr <ofxGPUFont::Atlas> _atlas);
         //shared_ptr <ofxGPUFont::Atlas> getAtlas() const;

src/Layer.h

@@ -11,6 +11,8 @@
 
 namespace ofxVariableLab {
 
+// TODO: proper ID management and generation
+// what do we have this fancy random_id for?
 using LayerID = string;
 
 struct LayerSettings {
@@ -25,10 +27,10 @@ class Layer {
             GPUFONT
         };
         struct Props {
-            float x = 0;
+            float x = 200;
-            float y = 0;
+            float y = 200;
             float rotation = 0;
-            float fontSize_px = 24;
+            float fontSize_px = 42;
             float color[4];
             bool mirror_x = false;
             float mirror_x_distance = 0;
@@ -36,7 +38,20 @@ class Layer {
             float mirror_y_distance = 0;
             float letterDelay = 0;
             string text = "abc";
-            string fontPath;
+            string fontPath = "data/celines-fonts/Version-2-var.ttf";
+            NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(Props,
+                                               x,
+                                               y,
+                                               rotation,
+                                               fontSize_px,
+                                               color,
+                                               mirror_x,
+                                               mirror_x_distance,
+                                               mirror_y,
+                                               mirror_y_distance,
+                                               letterDelay,
+                                               text,
+                                               fontPath)
         };
 
         virtual void setup(const LayerSettings & settings = LayerSettings()) = 0;
@@ -57,6 +72,8 @@ class Layer {
         virtual shared_ptr <ofShader> getShader() const = 0;
         virtual const Type & getType() const = 0;
         virtual void setVFlip(const VFlipState vFlip) = 0;
+        virtual bool isDirtyDirty() const = 0;
+        virtual void setDirtyDirty(bool dirtyDirty) = 0;
         static int n_layers;
 };
 }

src/LayerComposition.cpp

@@ -20,10 +20,27 @@ void LayerComposition::update(){
         atlasLayerCombo.second->update();
     }
 }
+LayerID LayerComposition::addLayer(const Layer::Props & props,
+                                   LayerID layerID){
+    ComboIdentifier identifier;
+    identifier.fontPath = props.fontPath;
+    identifier.type = Layer::GPUFONT;
+    string text = props.text;
+    std::vector <FontVariation> variations = {
+        {"Weight", 100.0},
+        {"Weight", 700.0}
+    };
+    return addLayer(identifier,
+                    text,
+                    variations,
+                    layerID);
+
+}
 
 LayerID LayerComposition::addLayer(const ComboIdentifier & identifier,
                                    const string & text,
-                                   const std::vector <FontVariation> & variations){
+                                   const std::vector <FontVariation> & variations,
+                                   LayerID layerID){
     auto props = Layer::Props();
     props.text = text;
     props.fontPath = identifier.fontPath;
@@ -34,8 +51,8 @@ LayerID LayerComposition::addLayer(const ComboIdentifier & identifier,
 
 LayerID LayerComposition::addLayer(const ComboIdentifier & identifier,
                                    const Layer::Props & props,
-                                   const std::vector <FontVariation> & variations){
+                                   const std::vector <FontVariation> & variations,
-    string layerID = "";
+                                   LayerID layerID){
     switch(identifier.type){
      case Layer::GPUFONT: {
          shared_ptr <GPUFontAtlasLayerCombo> combo;
@@ -55,9 +72,16 @@ LayerID LayerComposition::addLayer(const ComboIdentifier & identifier,
          }
 
          auto layer = make_shared <GPUFontLayer>();
+         layer->vFlip = vFlipState;
          layer->setProps(props);
+         layer->setup();
+         if(layerID == ""){
+             layerID = layer->getId();
+             cout << "yess layerID is now " << layerID << "!" << endl;
+         }else{
+             layer->setId(layerID);
+         }
          combo->careForChild(layer);
-         layerID = layer->getId();
          layers[layerID] = layer;
 
          break;
@@ -72,6 +96,11 @@ LayerID LayerComposition::addLayer(const ComboIdentifier & identifier,
          layer->vFlip = vFlipState;
          layer->setProps(props);
          layer->setup();
+         if(layerID == ""){
+             layerID = layer->getId();
+         }else{
+             layer->setId(layerID);
+         }
          std::vector <ofxMsdfgen::FontVariation> msdfVariations;
          for(const auto & v : variations){
              msdfVariations.push_back({v.name, v.value});

src/LayerComposition.h

@@ -15,12 +15,16 @@ class LayerComposition {
         void setup();
         void update();
         void draw() const;
+        LayerID addLayer(const Layer::Props & props,
+                         LayerID layerID = "");
         LayerID addLayer(const ComboIdentifier & identifier,
                          const string & text,
-                         const std::vector <FontVariation> & variations);
+                         const std::vector <FontVariation> & variations,
+                         LayerID layerID = "");
         LayerID addLayer(const ComboIdentifier & identifier,
                          const Layer::Props & props,
-                         const std::vector <FontVariation> & variations);
+                         const std::vector <FontVariation> & variations,
+                         LayerID layerID = "");
         void removeLayer(const LayerID & id); // TODO: make bool, to catch nonexisting
         shared_ptr <Layer> getLayer(const LayerID & layerID);
         const unordered_map <ComboIdentifier, shared_ptr <AtlasLayerCombo> > & getAtlasLayerCombos() const;

src/MsdfLayer.cpp

@@ -10,15 +10,12 @@ namespace ofxVariableLab {
 void MsdfLayer::setup(const LayerSettings & settings){
     this->settings = settings;
     if(id == ""){
-        id = ofToString(Layer::n_layers);
+        id = "layer-" + ofToString(Layer::n_layers);
         n_layers++;
     }
 }
 
 void MsdfLayer::update(){
-    if(isDirty){
-        isDirty = false;
-    }
 }
 
 void MsdfLayer::draw(glm::vec3 position){
@@ -277,7 +274,12 @@ const Layer::Type & MsdfLayer::getType() const {
 void MsdfLayer::setVFlip(const VFlipState vFlip){
     this->vFlip = vFlip;
 }
-
+bool MsdfLayer::isDirtyDirty() const {
+    return isDirty;
+}
+void MsdfLayer::setDirtyDirty(bool dirtyDirty){
+    isDirty = dirtyDirty;
+}
 void MsdfLayer::setAtlas(shared_ptr <ofxMsdfgen::Atlas> _atlas){
     atlas = _atlas;
     // TODO: this does not seem proper
@@ -287,6 +289,11 @@ shared_ptr <ofxMsdfgen::Atlas> MsdfLayer::getAtlas() const {
     return atlas;
 }
 void MsdfLayer::setProps(const Props & props){
+    // TODO: for now only check text,
+    // but we should of course check also variations
+    if(propsBuffer.size() == 0 || props.text != propsBuffer[0].text){
+        setDirtyDirty(true);
+    }
     while(propsBuffer.size() > max(0, int(settings.maxBufferSize - 1))){
         propsBuffer.pop_back();
     }

src/MsdfLayer.h

@@ -28,6 +28,8 @@ class MsdfLayer : public Layer {
         shared_ptr <ofShader> getShader() const override;
         const Type & getType() const override;
         void setVFlip(const VFlipState vFlip) override;
+        bool isDirtyDirty() const override;
+        void setDirtyDirty(bool dirtyDirty) override;
 
         void setAtlas(shared_ptr <ofxMsdfgen::Atlas> _atlas);
         shared_ptr <ofxMsdfgen::Atlas> getAtlas() const;

src/Utils.h

@@ -4,6 +4,9 @@
 #include <string>
 #include <set>
 #include <glm/glm.hpp>
+#include <ft2build.h>
+#include FT_FREETYPE_H
+#include FT_MULTIPLE_MASTERS_H
 
 namespace ofxVariableLab {
 
@@ -24,18 +27,6 @@ inline void hash_combine(std::size_t & seed, const T & v){
     std::hash <T> hasher;
     seed ^= hasher(v) + 0x9e3779b9 + (seed << 6) + (seed >> 2);
 }
-//template <class ForwardIt, class UnaryPredicate>
-//ForwardIt remove_if(ForwardIt first, ForwardIt last, UnaryPredicate p){
-//first = std::find_if(first, last, p);
-//if(first != last){
-//for(ForwardIt i = first; ++i != last;){
-//if(!p(*i)){
-//*first++ = std::move(*i);
-//}
-//}
-//}
-//return first;
-//}
 
 inline void removeDuplicateCharacters(std::string & str){
     std::set <char> chars;
@@ -79,4 +70,5 @@ void getVFlip(const VFlipBehaviour & vFlipBehaviour,
               const glm::mat4 & orientationMatrix,
               VFlipState & vFlip);
 
+
 }