Initial source commit

minorGems/ui/ProgressBar.h

@@ -0,0 +1,75 @@
+// Jason Rohrer
+// ProgressBar.h
+
+/**
+*
+*	ProgressBar Gui element
+*
+*
+*	Created 11-6-99
+*	Mods:	
+*		Jason Rohrer	11-8-99		Changed to use GraphicBuffer object as screen buffer
+*
+*/
+
+
+
+#ifndef PROGRESS_BAR_INCLUDED
+#define PROGRESS_BAR_INCLUDED
+
+#include "Color.h"
+#include "GraphicBuffer.h"
+
+class ProgressBar {
+	
+	public:
+		// construct a progress bar in a specific location with
+		//   specific border and maximum colors
+		ProgressBar( int x, int y, int w, int h, Color bordC, Color hC, Color tipC );
+		~ProgressBar();
+	
+		void setProgress( float fractionFull );
+	
+		// draw progress bar into a graphic buffer
+		void draw( GraphicBuffer &buff );
+		
+		// erase progress bar from buffer
+		void erase( GraphicBuffer &buff, Color &bgColor );
+	
+	private:
+
+		unsigned long *imageMap;
+	
+		int startX;
+		int startY;
+		int high;
+		int wide;
+		
+		int barHigh;	// width and heigth of area inside borders
+		int barWide;
+
+		int *mapYOffset;
+	
+		Color borderC;		// color of border
+		Color highC;		// color of progress bar max
+		
+		Color barTipC;
+		
+		static const int borderWide = 2;
+	
+		float lastProgress;		// fraction of last progress
+	
+	};
+
+
+
+inline void ProgressBar::draw( GraphicBuffer &buff ) {
+	buff.drawImage(imageMap, mapYOffset, startX, startY, wide, high);
+	}	
+
+inline void ProgressBar::erase( GraphicBuffer &buff, Color &bgColor ) {
+	buff.eraseImage(startX, startY, wide, high, bgColor);	
+	}
+
+
+#endif