aigo/lib/mask.cpp

#include "mask.h"
#include <math.h>
#include <stdio.h>

namespace Mask
{
	mask * createCircleMask(int size, bool gradient)
	{
		mask * newMask = new mask;
		newMask->size = size;
		newMask->mask = new uint8_t[size*size];
		for (int x = 0; x < size; ++x)
		{
			for (int y = 0; y < size; ++y)
			{
				newMask->mask[y*size+x] = 
					(sqrt( pow(x - size/2, 2) + pow(y - size/2, 2)) <= size / 2 )
					? 255 : 0;
			}
		}
		return newMask;
	}

	void printMask( mask * mask)
	{
		for (int i = 0; i < mask->size; ++i)
		{
			for (int j = 0; j < mask->size; ++j)
			{
				printf("%d\t", mask->mask[mask->size * i + j]);
			}
			printf("\n");
		}
		printf("\n");
	}

}