From 7cb2b5a84adfb1726bb061dfe985a68199118763 Mon Sep 17 00:00:00 2001
From: Samuel Fadel <samuelfadel@gmail.com>
Date: Tue, 15 Mar 2016 16:37:07 -0300
Subject: Initial CUBu support & LinePlot (with bundling) component.

---
 lineplot.h | 83 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 lineplot.h

(limited to 'lineplot.h')

diff --git a/lineplot.h b/lineplot.h
new file mode 100644
index 0000000..060171d
--- /dev/null
+++ b/lineplot.h
@@ -0,0 +1,83 @@
+#ifndef LINEPLOT_H
+#define LINEPLOT_H
+
+#include <memory>
+#include <vector>
+
+#include <QQuickFramebufferObject>
+
+#include <armadillo>
+
+// From CUBu
+#include "gdrawing.h"
+
+#include "colorscale.h"
+#include "scale.h"
+
+class LinePlot
+    : public QQuickFramebufferObject
+{
+    Q_OBJECT
+public:
+    static const int PADDING = 20;
+
+    LinePlot(QQuickItem *parent = 0);
+
+    void setColorScale(const ColorScale *colorScale);
+    void setAutoScale(bool autoScale);
+
+    const GraphDrawing *graphDrawing() const { return m_gdPtr.get(); }
+    const std::vector<float> &values() const { return m_values; }
+    LinearScale<float> scaleX() const { return m_sx; }
+    LinearScale<float> scaleY() const { return m_sy; }
+
+    Renderer *createRenderer() const;
+
+    bool xyChanged() const         { return m_xyChanged; }
+    bool valuesChanged() const     { return m_valuesChanged; }
+    bool colorScaleChanged() const { return m_colorScaleChanged; }
+
+    void setXYChanged(bool xyChanged) {
+        m_xyChanged = xyChanged;
+    }
+    void setValuesChanged(bool valuesChanged) {
+        m_valuesChanged = valuesChanged;
+    }
+    void setColorScaleChanged(bool colorScaleChanged) {
+        m_colorScaleChanged = colorScaleChanged;
+    }
+
+signals:
+    void xyChanged(const arma::mat &xy);
+    void valuesChanged(const arma::vec &values) const;
+    void scaleChanged(const LinearScale<float> &sx,
+                      const LinearScale<float> &sy) const;
+
+public slots:
+    void setXY(const arma::mat &xy);
+    void setValues(const arma::vec &values);
+    void setScale(const LinearScale<float> &sx,
+                  const LinearScale<float> &sy);
+
+private:
+    void bundle();
+
+    // Data
+    arma::mat m_xy;
+    std::vector<float> m_values;
+
+    // Visuals
+    const ColorScale *m_colorScale;
+
+    void autoScale();
+    bool m_autoScale;
+    LinearScale<float> m_sx, m_sy;
+
+    std::unique_ptr<GraphDrawing> m_gdPtr;
+
+    // Internal state
+    bool m_xyChanged, m_valuesChanged, m_colorScaleChanged;
+    bool m_bundleGPU;
+};
+
+#endif // LINEPLOT_H
-- 
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