/* Creates a negative image of the input bitmap file */
int main( int argc, char* argv[] )
{
UCHAR r, g, b;
UINT width, height;
UINT x, y;
BMP* bmp;
/* Check arguments */
if ( argc != 3 )
{
fprintf( stderr, "Usage: %s <input file> <output file>\n", argv[ 0 ] );
return 0;
}
/* Read an image file */
bmp = BMP_ReadFile( argv[ 1 ] );
BMP_CHECK_ERROR( stdout, -1 );
/* Get image's dimensions */
width = BMP_GetWidth( bmp );
height = BMP_GetHeight( bmp );
/* Iterate through all the image's pixels */
for ( x = 0 ; x < width ; ++x )
{
for ( y = 0 ; y < height ; ++y )
{
/* Get pixel's RGB values */
BMP_GetPixelRGB( bmp, x, y, &r, &g, &b );
/* Invert RGB values */
BMP_SetPixelRGB( bmp, x, y, 255 - r, 255 - g, 255 - b );
}
}
/* Save result */
BMP_WriteFile( bmp, argv[ 2 ] );
BMP_CHECK_ERROR( stdout, -2 );
/* Free all memory allocated for the image */
BMP_Free( bmp );
return 0;
}
/* Creates a blur image of the input bitmap file */
int main( int argc, char* argv[] )
{
UCHAR r, g, b;
UINT width, height;
UINT x, y;
BMP* bmp;
BMP* bmp_new;
int size;
int count;
int i, k, start_i, stop_i, start_k, stop_k;
int r_sum, g_sum, b_sum;
UCHAR r_new, g_new, b_new;
/* Check arguments */
if ( argc != 4 )
{
fprintf( stderr, "Usage: %s <input file> <output file> <blur box size>\n", argv[ 0 ] );
return 0;
}
size = atoi(argv[3]);
if (size <= 0){
printf("Please enter a positive integer as the blur box size argument.\n");
return 0;
}
/* Read an image file */
bmp = BMP_ReadFile( argv[ 1 ] );
BMP_CHECK_ERROR( stdout, -1 );
bmp_new = BMP_ReadFile( argv[ 1 ] );
BMP_CHECK_ERROR( stdout, -1 );
/* Get image's dimensions */
width = BMP_GetWidth( bmp );
height = BMP_GetHeight( bmp );
/* Iterate through all the image's pixels */
for ( x = 0 ; x < width ; ++x )
{
for ( y = 0 ; y < height ; ++y )
{
r_sum = 0;
g_sum = 0;
b_sum = 0;
count = 0;
/* Get pixel's RGB values */
start_i = x - size;
stop_i = x + size;
start_k = y - size;
stop_k = y + size;
for (i = start_i; i <= stop_i; i++){
for (k = start_k; k <= stop_k; k++){
if ((i >= 0) && (i < width) && (k >= 0) && (k < height)){
BMP_GetPixelRGB(bmp, i, k, &r, &g, &b);
count++;
r_sum = r_sum + r;
g_sum = g_sum + g;
b_sum = b_sum + b;
}
}
}
r_new = r_sum / count;
g_new = g_sum / count;
b_new = b_sum / count;
/* Invert RGB values */
BMP_SetPixelRGB( bmp_new, x, y, r_new, g_new, b_new );
}
}
/* Save result */
BMP_WriteFile( bmp_new, argv[ 2 ] );
BMP_CHECK_ERROR( stdout, -2 );
/* Free all memory allocated for the image */
BMP_Free( bmp );
BMP_Free( bmp_new );
return 0;
}
void* blur(void* p){
UCHAR avgR, avgG, avgB;
int x = 0;
int y = 0;
int sumR = 0;
int sumG = 0;
int sumB = 0;
int startX = 0;
int startY = 0;
int endX = 0;
int endY = 0;
int count = 0;
int tempPos = *(int*)p;
int tempY = 0;
int pos = 0;
int nextPos = tempPos + interval;
while (tempPos < nextPos && tempPos < size){
count = 0;
sumR = 0;
sumG = 0;
sumB = 0;
y = tempPos/width;
x = tempPos%width;
// check for boundaries
if (x - box_size < 0){
startX = 0;
} else {
startX = x - box_size;
}
if (y - box_size < 0){
startY = 0;
} else {
startY = y - box_size;
}
if (x + box_size >= width){
endX = width - 1;
} else {
endX = x + box_size;
}
if (y + box_size >= height){
endY = height - 1;
} else {
endY = y + box_size;
}
while (startX <= endX){
tempY = startY;
while (tempY <= endY){
pos = startX + tempY*width;
sumR += pixelsR[pos];
sumG += pixelsG[pos];
sumB += pixelsB[pos];
tempY ++;
count++;
}
startX ++;
}
avgR = sumR/count;
avgG = sumG/count;
avgB = sumB/count;
pthread_mutex_lock(&lock);
BMP_SetPixelRGB( bmp, x, y, avgR, avgG, avgB );
pthread_mutex_unlock(&lock);
tempPos++;
}
return NULL;
}
int separaletras (char * entrada)
{
UCHAR r, g, b;
UINT width, height;
UINT x, y;
BMP* bmp;
BMP* bmp_BW;
int conta = 0;
bmp = BMP_ReadFile( entrada );
bmp_BW = BMP_ReadFile( entrada );
BMP_CHECK_ERROR(stdout, -1);
width = BMP_GetWidth( bmp );
height = BMP_GetHeight( bmp );
short Black_White[height][width];
int colunaDaVez[height - 2*OFFSET_Y];
int Coluna_Inicio = 0;
int Coluna_Final = 0;
int Linha_Inicio = 0;
int Linha_Final = 0;
char nomeArquivo[20];
for( x = 0 ; x < width ; ++x)
{
for( y = 0 ; y < height ; ++y)
{
BMP_GetPixelRGB( bmp, x, y, &r, &g, &b );
if((r+g+b) < 384 )
{
Black_White[y][x] = 0;
BMP_SetPixelRGB(bmp_BW, x, y, 0, 0, 0);
}
else
{
Black_White[y][x] = 1;
BMP_SetPixelRGB(bmp_BW, x, y, 255, 255, 255);
}
}
}
for( x = 0 ; x < width ; x++)
{
for( y = 0 ; y < height ; y++ )
{
if(Black_White[y][x] != Black_White[y][x+1])
{
BMP_SetPixelRGB(bmp_BW, x, y, 0,0,0);
}
else
{
BMP_SetPixelRGB(bmp_BW, x, y, 255, 255, 255);
}
if(Black_White[y][x] != Black_White[y+1][x])
{
BMP_SetPixelRGB(bmp_BW, x, y, 0, 0, 0);
}
}
}
int c;
int numeroArquivo = 0;
int k,h;
for( x = OFFSET_X ; x < width-OFFSET_X ; x++)
{
for(y = OFFSET_Y ; y < height-OFFSET_Y ; y++)
{
BMP_GetPixelRGB(bmp_BW, x, y, &r, &g, &b);
if(r+g+b > 0)
{
colunaDaVez[y-OFFSET_Y] = 0;
}
else
{
colunaDaVez[y-OFFSET_Y] = 1;
}
}
c = verificaColuna_BW(colunaDaVez, height-2*OFFSET_Y);
if(c == 0 && Coluna_Inicio != 0)
{
sprintf(nomeArquivo, "OUT%d.bmp",numeroArquivo);
Coluna_Final = x;
for(k = OFFSET_Y; k < height-OFFSET_Y; k++)
{
for(h = Coluna_Inicio ; h < Coluna_Final ; h++)
{
BMP_GetPixelRGB(bmp_BW, h, k, &r, &g, &b);
if(r+g+b > 0)
{
colunaDaVez[h - Coluna_Inicio] = 0;
}
else
{
colunaDaVez[h - Coluna_Inicio] = 1;
}
}
c = verificaColuna_BW(colunaDaVez, Coluna_Final-Coluna_Inicio);
if(c == 0 && Linha_Inicio != 0)
{
if(k-Linha_Inicio > 10)
{
Linha_Final = k;
BMP_Cut_and_Export(bmp, Coluna_Inicio, Coluna_Final, Linha_Final, Linha_Inicio, nomeArquivo);
conta++;
Coluna_Final = 0;
Coluna_Inicio = 0;
Linha_Inicio = 0;
Linha_Final = 0;
numeroArquivo++;
k = h = 200000;
break;
}
else
{
Linha_Inicio = k;
}
}
if(c == 1 && Linha_Inicio == 0)
{
Linha_Inicio = k;
}
}
}
if(c == 1 && Coluna_Inicio == 0)
{
Coluna_Inicio = x;
}
}
BMP_CHECK_ERROR( stdout, -1);
BMP_Free(bmp);
BMP_Free(bmp_BW);
return conta;
}
int main() {
static const char* cubeNames[CC_FACE_NUM] = {
"TOP.bmp",
"LEFT.bmp",
"FRONT.bmp",
"RIGHT.bmp",
"BACK.bmp",
"DOWN.bmp"
};
struct cc_context ctx;
unsigned int i = 0;
unsigned int j = 0;
unsigned char rr;
unsigned char gg;
unsigned char bb;
BMP *bmpCube[CC_FACE_NUM];
unsigned int width = 0;
unsigned int height = 0;
unsigned short depth = 0;
BMP *output = NULL;
unsigned int pano_width = 0;
unsigned int pano_height = 0;
const struct cc_coord* coord = NULL;
// Read the 6 input images
for (i = 0; i < CC_FACE_NUM; ++i) {
bmpCube[i] = BMP_ReadFile(cubeNames[i]);
if (BMP_GetError() != BMP_OK) {
return 1;
}
}
// Get image's dimensions
width = (unsigned int)BMP_GetWidth( bmpCube[0]);
height = (unsigned int)BMP_GetHeight(bmpCube[0]);
depth = BMP_GetDepth( bmpCube[0]);
// The input images must be square
if (width != height) {
return 1;
}
/*
Initialise the algorithm:
the width of each input is 640 pixel,
the vertical view portion is PI (180 degrees),
the horizontal view portion is 2*PI (360 degress).
In this case, the output image size will be calculated accordingly.
There is another more detailed init function you can play with.
*/
cc_init(&ctx, width, M_PI*2.0, M_PI);
// Generate the mapping from panorama to cubic
cc_gen_map(&ctx);
// Access the dimension of the panorama image
pano_width = ctx.px_pano_h;
pano_height = ctx.px_pano_v;
// Create the panorama output image
output = BMP_Create(pano_width, pano_height, depth);
// Map the pixels from the panorama back to the source image
for (i = 0; i < pano_width; ++i) {
for (j = 0; j < pano_height; ++j) {
// Get the corresponding position of (i, j)
coord = cc_get_coord(&ctx, i, j);
// Access the pixel
BMP_GetPixelRGB(bmpCube[coord->face], (unsigned long)coord->x, (unsigned long)coord->y, &rr, &gg, &bb);
// Write the pixel to the panorama
BMP_SetPixelRGB(output, i, j, rr, gg, bb);
}
}
// Write the output file
BMP_WriteFile(output, "PANO.bmp");
// Release memory
BMP_Free(output);
for (i = 0; i < CC_FACE_NUM; ++i) {
BMP_Free(bmpCube[i]);
}
cc_close(&ctx);
return 0;
}
