Updated UI.

- Removed unnecessary UI elements from QML file;
- Added the ColorScale class and implemented glyph color mapping from class
  labels;
- Mark geometry nodes of individual glyphs as dirty when updating the schene
  graph.

1 files changed, 24 insertions, 0 deletions

diff --git a/colorscale.h b/colorscale.h
new file mode 100644
index 0000000..6e1212d
--- /dev/null
+++ b/colorscale.h
@@ -0,0 +1,24 @@
+#ifndef COLORSCALE_H
+#define COLORSCALE_H
+
+#include <initializer_list>
+#include <QColor>
+#include <QList>
+
+class ColorScale
+{
+public:
+    ColorScale(const QColor &firstColor, const QColor &lastColor);
+    ColorScale(std::initializer_list<QColor> colors);
+    ColorScale(const QList<QColor> &colors);
+    ~ColorScale();
+
+    void setExtents(qreal min, qreal max);
+    QColor color(qreal t) const;
+
+private:
+    qreal m_min, m_max;
+    QList<QColor> m_colors;
+};
+
+#endif // COLORSCALE_H