Added the Colormap component.

* The Colormap component is a simple rect with a texture mapped
  that displays a ColorScale with a fixed number of samples. This
  number of samples is exported as a member const, which is used
  on other components (such as VoronoiSplat).
* The texture mapping is reflecting the colormap lookup used in
  VoronoiSplat.
* The ColorScale class now has a method for sampling the color
  scale and outputs the samples to iterator-style objects,
  providing easy intergration with existing code.

1 files changed, 2 insertions, 2 deletions

diff --git a/voronoisplat.h b/voronoisplat.h
index fb93f09..6061ef3 100644
--- a/voronoisplat.h
+++ b/voronoisplat.h
@@ -31,7 +31,7 @@ public:
 signals:
     void sitesChanged(const arma::mat &sites);
     void valuesChanged(const arma::vec &values);
-    void colormapChanged(const ColorScale *scale);
+    void colormapChanged(const ColorScale &scale);
 
 public slots:
     // 'points' should be a 2D points matrix (each point in a row)
@@ -41,7 +41,7 @@ public slots:
     void setValues(const arma::vec &values);
 
     // Set colormap data based on the given color scale
-    void setColormap(const ColorScale *scale);
+    void setColormap(const ColorScale &scale);
 
 private:
     std::vector<float> m_sites, m_values, m_cmap;