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#include <QCoreApplication>
#include <QCommandLineParser>
#include <QImage>
#include <QtCore>
#include <iostream>
#include "utils/sceneparser.h"
#include "raytracer/raytracer.h"
#include "raytracer/raytracescene.h"
int main(int argc, char *argv[])
{
QCoreApplication a(argc, argv);
QCommandLineParser parser;
parser.addHelpOption();
parser.addPositionalArgument("config", "Path of the config file.");
parser.process(a);
auto positionalArgs = parser.positionalArguments();
if (positionalArgs.size() != 1) {
std::cerr << "Not enough arguments. Please provide a path to a config file (.ini) as a command-line argument." << std::endl;
a.exit(1);
return 1;
}
QSettings settings( positionalArgs[0], QSettings::IniFormat );
QString iScenePath = settings.value("IO/scene").toString();
QString oImagePath = settings.value("IO/output").toString();
RenderData metaData;
bool success = SceneParser::parse(iScenePath.toStdString(), metaData);
if (!success) {
std::cerr << "Error loading scene: \"" << iScenePath.toStdString() << "\"" << std::endl;
a.exit(1);
return 1;
}
// Raytracing-relevant code starts here
int width = settings.value("Canvas/width").toInt();
int height = settings.value("Canvas/height").toInt();
// Extracting data pointer from Qt's image API
QImage image = QImage(width, height, QImage::Format_RGBX8888);
image.fill(Qt::black);
RGBA *data = reinterpret_cast<RGBA *>(image.bits());
// Setting up the raytracer
Config rtConfig{};
rtConfig.enableShadow = settings.value("Feature/shadows").toBool();
rtConfig.enableReflection = settings.value("Feature/reflect").toBool();
rtConfig.enableRefraction = settings.value("Feature/refract").toBool();
rtConfig.enableTextureMap = settings.value("Feature/texture").toBool();
rtConfig.enableTextureFilter = settings.value("Feature/texture-filter").toBool();
rtConfig.enableParallelism = settings.value("Feature/parallel").toBool();
rtConfig.enableSuperSample = settings.value("Feature/super-sample").toBool();
rtConfig.enableAntiAliasing = settings.value("Feature/post-process").toBool();
rtConfig.enableAcceleration = settings.value("Feature/acceleration").toBool();
rtConfig.enableDepthOfField = settings.value("Feature/depthoffield").toBool();
rtConfig.maxRecursiveDepth = settings.value("Settings/maximum-recursive-depth").toInt();
rtConfig.onlyRenderNormals = settings.value("Settings/only-render-normals").toBool();
RayTracer raytracer{ rtConfig };
RayTraceScene rtScene{ width, height, metaData };
// Note that we're passing `data` as a pointer (to its first element)
// Recall from Lab 1 that you can access its elements like this: `data[i]`
raytracer.render(data, rtScene);
// Saving the image
success = image.save(oImagePath);
if (!success) {
success = image.save(oImagePath, "PNG");
}
if (success) {
std::cout << "Saved rendered image to \"" << oImagePath.toStdString() << "\"" << std::endl;
} else {
std::cerr << "Error: failed to save image to \"" << oImagePath.toStdString() << "\"" << std::endl;
}
a.exit();
return 0;
}
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