int
main(int argc, char *argv[]) {
struct cmdlineInfo cmdline;
struct pam pam;
sample ** pixels; /* pixel data */
unsigned int hsamples; /* horizontal samples used */
unsigned int hstep; /* horizontal step size */
unsigned int vstep; /* vertical step size */
float angle;
pgm_init(&argc, argv); /* initialize netpbm system */
parseCommandLine(argc, argv, &cmdline);
readRelevantPixels(cmdline.inputFilename, cmdline.hstep, cmdline.vstep,
&hstep, &vstep, &pixels, &pam, &hsamples);
replacePixelValuesWithScaledDiffs(&pam, pixels, hsamples, cmdline.dstep);
getAngle(&pam, pixels, hstep, vstep, hsamples,
cmdline.maxangle, cmdline.astep, cmdline.qmin,
cmdline.fast, cmdline.verbose, &angle);
/* report the result on stdout */
printf("%.2f\n", angle);
freePixels(pixels, pam.height);
return 0;
}
int main ( int argc, char * argv[] ) {
if ( argc < 2 ) errorMessage( 1, "Missing Arguments" );
if ( argc > 3 ) errorMessage( 2, "Too many Arguments" );
IplImage *img = NULL;
img = cvLoadImage( argv[1], 1 );
// pixels [y][x][c]
uchar *** pixels = NULL;
pixels = getPixels( img );
char key;
do {
key = (char) cvWaitKey(1);
if ( key == 'n' ) normalize( img, pixels );
if ( key == 'i' ) invert( img, pixels );
if ( key == 'h' ) cvFlip( img, img, 1 );
if ( key == 'l' ) {
IplImage *tmp = NULL;
tmp = rotate( img, pixels );
freePixels( img->height, pixels );
cvReleaseImage( &img );
img = tmp;
pixels = getPixels( img );
}
cvShowImage("rgbviewer", img );
} while ( key != 'q' ); // quit
// release the image & reference ( tmp )
freePixels( img->height, pixels );
cvReleaseImage( &img );
return 0;
}