draw lines

1 files changed, 43 insertions, 6 deletions

diff --git a/main.cpp b/main.cpp
index 34719ef..eb44515 100644
--- a/main.cpp
+++ b/main.cpp
@@ -5,14 +5,10 @@
 #include <QQmlContext>
 #include <QtConcurrent/QtConcurrentRun>
 #include <QTimer>
-
+#include <iostream>
 #include "QmlCustomPlot.h"
 
-template <typename T>
-T& median3(const T& a, const T& b, const T& c) {
-    using namespace std;
-    return max(min(a,b), min(max(a,b),c));
-}
+// #include <execution>
 
 int main(int argc, char *argv[])
 {
@@ -132,6 +128,47 @@ int main(int argc, char *argv[])
 
         graph->setData(x_profile, y_profile);
 
+        auto jsonLines = json["lines"].toArray();
+
+        QList<QLineF> lines(jsonLines.count());
+
+        // FIXME: validate
+        // WARNING
+        // AHTUNG
+        // DANGER
+        std::transform(
+            // std::execution::par_unseq
+            jsonLines.cbegin(),
+            jsonLines.cend(),
+            lines.begin(),
+            [](const auto& jsonLine) -> QLineF {
+                const auto jsonPoints = jsonLine.toArray();
+                const auto jsonPoint0 = jsonPoints.at(0).toArray();
+                const auto jsonPoint1 = jsonPoints.at(1).toArray();
+                return {
+                    { jsonPoint0.at(0).toDouble(), jsonPoint0.at(1).toDouble() },
+                    { jsonPoint1.at(0).toDouble(), jsonPoint1.at(1).toDouble() }
+                };
+            }
+            );
+
+        // lines.append({{6,780},{38,787}});
+
+        auto qmlCustomPlot = engine.rootObjects().first()->findChild<QmlCustomPlot*>("qmlCustomPlot");
+
+        if (!qmlCustomPlot)
+        {
+            qWarning() << "no qmlCustomPlot";
+        }
+        else
+        {
+            qDebug() << "set lines. count is" << lines.count();
+            qmlCustomPlot->setLines(lines);
+        }
+
+        // 6 780
+        // 38 787
+
         engine.rootContext()->setContextProperty("max_diff", max_diff);
         engine.rootContext()->setContextProperty("max_diff_idx", int(max_diff_idx));
         engine.rootContext()->setContextProperty("min_diff", min_diff);