1 files changed, 38 insertions, 0 deletions
diff --git a/src/glcolorrgba.h b/src/glcolorrgba.h
new file mode 100644
index 0000000..53efcc2
--- /dev/null
+++ b/src/glcolorrgba.h
@@ -0,0 +1,38 @@
+#ifndef GLCOLORRGBA_H
+#define GLCOLORRGBA_H
+
+#include <QVector4D>
+/**
+ * @brief The GlColorRgba class is a convenience class to replace QVector4D for color variables.
+ */
+class GLColorRgba: public QVector4D{
+public:
+    GLColorRgba(float r = 0.0, float g= 0.0, float b = 0.0, float a = 1.0);
+    GLColorRgba(const GLColorRgba & other);
+    GLColorRgba(const QVector4D & other);
+    /**
+      * Returns the inverted color with a= 1.0
+      */
+    GLColorRgba inverted();
+
+    GLColorRgba operator * (float factor);
+    //convenience getters
+    float red()const{return x();}
+    float green()const{return y();}
+    float blue()const{return z();}
+    float alpha()const{return w();}
+
+//predefined colors
+    static GLColorRgba clBlack;
+    static GLColorRgba clRed;
+    static GLColorRgba clYellow;
+    static GLColorRgba clGreen;
+    static GLColorRgba clCyan;
+    static GLColorRgba clBlue;
+    static GLColorRgba clMagenta;
+    static GLColorRgba clGray;
+    static GLColorRgba clWhite;
+};
+
+
+#endif // GLCOLORRGBA_H