#ifndef _PIXMAP_H_INCLUDED
#define _PIXMAP_H_INCLUDED

/* A facade class to demonstartae image processing using imagemagick API */
/* www.hackorama.com kishan@hackorama.com 2005/2006 			 */ 

#include <iostream>
#include <magick/api.h> /* MagickCore C API */

#define MAX_RGB 65535

using namespace std;

class Pixmap
{

public:
	Pixmap();
	Pixmap(Image *image);
	~Pixmap();

	Image* getImage();
	void init();
	int  loadImage(char* filename);
	void writeImage(char *filename);
	void writeImage(char *filename, int i);
	int  getWidth();
	int  getHeight();
	bool isValid();
	int  maxRGB();
	bool greenPixel(int x, int y); 
	bool redPixel(int x, int y); 
	bool bluePixel(int x, int y); 
	bool whitePixel(int x, int y); // == 3 * max_rgb
	bool blackPixel(int x, int y); // == 0
	bool colorPixel(int x, int y); // !white || !black
	bool darkPixel(int x, int y);  // >= max_rgb
	bool lightPixel(int x, int y); // < max_rgb 
	int  getPixel(int x, int y);
	bool setPixel(int x, int y, int r, int g, int b);
	bool setPixel(int x, int y);
	bool markPixels(int x, int y, int r, int g, int b, int border);
	void markHLine(int x1, int x2, int y);
	void markHLine(int y);
	void markVLine(int y1, int y2, int x);
	void markVLine(int x);
	bool switchPixel(int x, int y, int r, int g, int b,
			    int new_r, int new_g, int new_b);
	void switchColor(int r, int g, int b,
			    int new_r, int new_g, int new_b);

	void setPen(int r, int g, int b);
	void clear();
	void clear(int r, int g, int b);
	void setDebug(bool flag);

private:
	bool inRange(int x, int y);
	int  convertRGB(int x);

	Image 		*image, *image_out;
	ImageInfo 	*image_info;
	PixelPacket 	pixel;
	PixelPacket 	*p;

	int  width, height;
	int  max_rgb;
	bool debug;
	bool ok;
	int  pen_r, pen_g, pen_b;
};

#endif /* _PIXMAP_H_INCLUDED */