CS225

RGBAPixel.cpp

#include "rgbapixel.h"

/**
 * This function constructs a default pixel which is opaque 
 * (non-transparent) and white.
 **/
RGBAPixel::RGBAPixel()
{
	alpha = 255;
	red = 255;
	green = 255;
	blue = 255;
}

/**
 * This function constructs an opaque RGBAPixel with given red,
 * green, and blue color values.
 **/
RGBAPixel::RGBAPixel(unsigned char red_in, 
                     unsigned char green_in, 
					 unsigned char blue_in)
{
	red = red_in;
	green = green_in;
	blue = blue_in;
	alpha = 255;
}

RGBAPixel.h

/** 
 * Represents a single pixel in an image.
 **/
class RGBAPixel
{
	public:
		/**
		 * Constructs a default RGBAPixel.
		 **/
		RGBAPixel();

		/**
		 * Constructs an opaque RGBAPixel with the given red, green, blue
		 * color values.
		 **/
		RGBAPixel(unsigned char red, unsigned char green, unsigned char blue);

		/**
		 * @param alpha Byte for the alpha component of the pixel.
		 * @param red Byte for the red component of the pixel.
		 * @param green Byte for the green component of the pixel.
		 * @param blue Byte for the blue component of the pixel.
		 **/
		unsigned char alpha;
		unsigned char red;
		unsigned char green;
		unsigned char blue;
};

#endif //RGBAPIXEL_H