Initial source commit

minorGems/ui/Plot.h

@@ -0,0 +1,83 @@
+// Jason Rohrer
+// Plot.h
+
+/**
+*
+*	Scrolling Plot Gui element
+*
+*
+*	Created 11-7-99
+*	Mods:	
+*		Jason Rohrer	11-8-99		Changed to use GraphicBuffer object as screen buffer
+*
+*/
+
+
+
+#ifndef PLOT_INCLUDED
+#define PLOT_INCLUDED
+
+
+#include <string.h>
+#include "Color.h"
+#include "GraphicBuffer.h"
+
+class Plot {
+
+	public:
+		// construct a plot in a specific location with
+		//   specific border, background, and line colors
+		Plot( int x, int y, int w, int h, Color bordC, Color bC, Color lnC );
+		~Plot();
+		
+		// add a point to the right of plot, cause plot to scroll left 
+		void addPoint( float p );
+		
+		// draw plot into a graphic buffer
+		void draw( GraphicBuffer &buff );
+		
+		// erase plot from buffer
+		void erase( GraphicBuffer &buff, Color &bgColor );
+		
+	private:
+	
+		unsigned long *imageMap;
+	
+		int startX;
+		int startY;
+		int high;
+		int wide;
+		
+		int innerHigh;	// width and heigth of area inside borders
+		int innerWide;
+
+		int *mapYOffset;
+	
+		Color borderC;		// color of border
+		Color bgC;		// color of progress bar max
+		
+		Color lineC;	// color of plot line
+		
+		
+		
+		static const int borderWide = 2;
+	
+		
+		float *plotVals;		// values of plot line
+
+	};
+
+
+
+
+inline void Plot::draw( GraphicBuffer &buff ) {
+	buff.drawImage(imageMap, mapYOffset, startX, startY, wide, high);
+	}	
+
+inline void Plot::erase( GraphicBuffer &buff, Color &bgColor ) {
+	buff.eraseImage(startX, startY, wide, high, bgColor);	
+	}
+
+
+
+#endif