1 #include "Bitmap.h"

     2 #include "Errors.h"

     3 #include "Histogram.h"

     4 

     5 Bitmap::Bitmap(int w, int h)

     6 {

     7 	int i;

     8 

     9 	height = h;

    10 	width = w;

    11 

    12 	// Assignem memòria

    13 	pixels = new (char*)[height];

    14 	for (i=0; i<height; i++)

    15 		pixels[i] = new char[width];

    16 	// Memòria assignada

    17 

    18 	//PointsPerLine = new vector<int>

    19 }

    20 

    21 Bitmap::~Bitmap()

    22 {

    23 	int i;

    24 	for (i=0; i<height; i++)

    25 		delete[] pixels[i];

    26 

    27 	delete[] pixels;

    28 }

    29 

    30 void Bitmap::setToZero()

    31 {

    32 	int i,j;

    33 

    34 	for (i=0; i<height; i++)

    35 		for (j=0; j<width; j++)

    36 			pixels[i][j] = 0;

    37 }

    38 

    39 int Bitmap::points_per_row(int line)

    40 {

    41 	int weight=0;

    42 

    43 	for(int j=0; j<width; j++)

    44 		if (pixels[line][j])

    45 			++weight;

    46 	return weight;

    47 }

    48 

    49 void Bitmap::calcHistogram(Histogram* &myhist)

    50 {

    51 	int i,j;

    52 	

    53 	myhist = new Histogram(height);

    54 

    55 	for(i=0; i<height; i++)

    56 		myhist->weights[i] = points_per_row(i);

    57 

    58 	myhist->calcStatistics();

    59 }