int main(int argc, char **argv)
{
struct PPM *ppm, *a;
printf("Reading \"%s\"\n", argc > 1 ? argv[1] : "test.ppm");
ppm = PPM_read(argc > 1 ? argv[1] : "test.ppm");
if (ppm) {
printf("read successful\n");
} else {
printf("read failed\n");
}
a = PPM_dup(ppm);
PPM_free(ppm);
PPM_write(a, "a.ppm");
PPM_free(a);
return 0;
}
int main(int argc, char **argv) {
struct PPM *ppm, *ppm_result;
char *mask;
float *bounds;
struct E2D *e_field;
float *pot_list;
int obj_num;
int iter_max;
int i;
if (argc <= 1) {
printf("useage:\n\t%s <PPM-File>\n", argv[0]);
return 0;
}
printf("Loading Image\n");
ppm = PPM_read(argv[1]);
if (!ppm) {
printf("PPM_read() failed\n");
return 1;
}
mask = init_mask(ppm->h, ppm->w);
bounds = init_bounds(ppm->h, ppm->w);
/* Input from stdin */
printf("Input Max Iterations for the (%d x %d) picture: ", ppm->w, ppm->h);
if (scanf("%d", &iter_max) == 0) {
return 0;
}
printf("Number of objects: ");
if (scanf("%d", &obj_num) == 0) {
return 0;
}
pot_list = (float*) malloc(obj_num * sizeof(float));
printf("Potentials of objects: \n");
for (i = 0; i < obj_num; ++i) {
printf("\tObject %d = ", i+1);
if (scanf("%f", &pot_list[i]) == 0) {
WARNING("Warning: can not read more potentials.");
break;
}
}
/* End of Input */
printf("Detecting boundary\n");
ppm_to_boundary(ppm, pot_list, obj_num, mask, bounds);
printf("Outputing boundary\n");
ppm_result = render_potential(ppm->h, ppm->w, bounds, PPM_table_gray);
PPM_write(ppm_result, "output-boundary-gray.ppm");
PPM_free(ppm_result);
printf("Calculating\n");
iteration(ppm->h, ppm->w, mask, bounds, iter_max);
printf("Rendering\n");
/* scalar field ø */
ppm_result = render_potential(ppm->h, ppm->w, bounds, PPM_table_gray);
PPM_write(ppm_result, "output-Phi-gray.ppm");
PPM_free(ppm_result);
ppm_result = render_potential(ppm->h, ppm->w, bounds, PPM_table_hue);
overlap(ppm_result, ppm);
PPM_write(ppm_result, "output-Phi-hue.ppm");
PPM_free(ppm_result);
/* END scalar field ø */
/* E² = |grad ø|^2 */
e_field = potential_to_E(ppm->h, ppm->w, bounds);
ppm_result = render_E(ppm->h, ppm->w, e_field, PPM_table_gray);
PPM_write(ppm_result, "output-E-Field-gray.ppm");
PPM_free(ppm_result);
ppm_result = render_E(ppm->h, ppm->w, e_field, PPM_table_hue);
overlap(ppm_result, ppm);
PPM_write(ppm_result, "output-E-Field-hue.ppm");
PPM_free(ppm_result);
free(e_field);
/* END E² */
ppm_result = draw_e_lines(ppm->h, ppm->w, mask, bounds,
COLOR_RED);
overlap(ppm_result, ppm);
PPM_write(ppm_result, "output-E-Lines.ppm");
PPM_free(ppm_result);
free(pot_list);
free(mask);
free(bounds);
PPM_free(ppm);
return 0;
}
/* main - main program
*
* Parameters:
* argc - number of command line arguments
* argv - pointer to command line argument array
*
* Returns:
* none
*/
void
main(int argc, char **argv)
{
int r_size, c_size;
int type;
char *infile, *outfile;
FILE *readfile, *writefile, *logfile;
ICON_S_T icon;
COLOR_S_T raster[MAX_R_SIZE][MAX_C_SIZE];
/* handle input args
*/
if (argc == 1)
{
infile = INPUT_FILE_NAME;
outfile = OUTPUT_FILE_NAME;
}
else
{
infile = argv[1];
outfile = argv[2];
}
/* read image as icon file
*/
readfile = fopen(infile, "r");
if (readfile == (FILE *)NULL)
{
printf("Main: error opening %s to read\n", infile);
exit(1);
}
else
{
printf("reading icon file ...\n");
LoadIcon( readfile, &icon );
}
/* copy icon to PPM
*/
r_size = icon.size.y;
c_size = icon.size.x;
CopyIcon2Raster( &icon, r_size, c_size, &raster[0][0] );
/* save image as PPM file
*/
writefile = fopen(outfile, "w");
if (writefile == (FILE *)NULL)
{
printf("Main: error opening %s to write\n", outfile);
exit(1);
}
else
{
printf("writing PPM file ...\n");
PPM_write(writefile, (char *)&raster[0][0],
r_size, c_size, "generated by icon2ppm v1.0");
}
exit(0);
}
