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// 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
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