parse and write scene

src/RayTracer.cc

@@ -1,6 +1,11 @@
 #include "RayTracer.h"
+#include "../external/simpleppm.h"
 #include "Parser.h"
 
+#include <vector>
+
+using std::vector;
+
 void RayTracer::parse() {
   for (auto i = json["output"].begin(); i != json["output"].end(); ++i)
     scenes.push_back(Parser::getScene(*i));
@@ -8,7 +13,14 @@ void RayTracer::parse() {
 
 void RayTracer::render() {}
 
-void RayTracer::output() {}
+void RayTracer::output() {
+  for (auto scene : scenes) {
+    int width = scene->getWidth();
+    int height = scene->getHeight();
+    vector<double> buffer(3 * width * height);
+    save_ppm("build/" + scene->getName(), buffer, width, height);
+  }
+}
 
 void RayTracer::run() {
   parse();

src/Scene.cc

@@ -1,5 +1,11 @@
 #include "Scene.h"
 
+string Scene::getName() { return name; }
+
+int Scene::getWidth() { return width; }
+
+int Scene::getHeight() { return height; }
+
 void Scene::setRaysPerPixel(const Eigen::VectorXi &raysPerPixel) {
   this->raysPerPixel = raysPerPixel;
 }

src/Scene.h

@@ -32,6 +32,9 @@ private:
   bool globalIllum = false;
 
 public:
+  string getName();
+  int getWidth();
+  int getHeight();
   void setRaysPerPixel(const Eigen::VectorXi &);
   void setAntialiasing(bool);
   void setTwoSideRender(bool);