int main(int argc,char *argv[])
{
int i,j,flag,n;
struct image avg,max,raw;
for (flag=0,i=1,n=0;i<argc;i++,n++) {
printf("%d %s\n",i,argv[i]);
// Read image
raw=read_jpg(argv[i]);
// If first image, initialize
if (flag==0) {
avg.nx=raw.nx;
avg.ny=raw.ny;
avg.nz=raw.nz;
avg.z=(float *) malloc(sizeof(float)*avg.nx*avg.ny*avg.nz);
for (j=0;j<avg.nx*avg.ny*avg.nz;j++)
avg.z[j]=0.0;
max.nx=raw.nx;
max.ny=raw.ny;
max.nz=raw.nz;
max.z=(float *) malloc(sizeof(float)*max.nx*max.ny*max.nz);
for (j=0;j<max.nx*max.ny*max.nz;j++)
max.z[j]=0.0;
flag=1;
}
// Add values
for (j=0;j<avg.nx*avg.ny*avg.nz;j++)
avg.z[j]+=raw.z[j];
// Add values
for (j=0;j<avg.nx*avg.ny*avg.nz;j++)
if (raw.z[j]>max.z[j])
max.z[j]=raw.z[j];
// Free
free(raw.z);
}
// Average;
for (j=0;j<avg.nx*avg.ny*avg.nz;j++)
avg.z[j]/=(float) n;
// Write
write_jpg("average.jpg",avg);
write_jpg("maximum.jpg",max);
// Free
free(avg.z);
free(max.z);
return 0;
}
void write_img(PDF pdf, image_dict * idict)
{
if (img_state(idict) < DICT_WRITTEN) {
report_start_file(filetype_image, img_filepath(idict));
switch (img_type(idict)) {
case IMG_TYPE_PNG:
write_png(pdf, idict);
break;
case IMG_TYPE_JPG:
write_jpg(pdf, idict);
break;
case IMG_TYPE_JP2:
write_jp2(pdf, idict);
break;
case IMG_TYPE_JBIG2:
write_jbig2(pdf, idict);
break;
case IMG_TYPE_PDFMEMSTREAM:
case IMG_TYPE_PDF:
write_epdf(pdf, idict,(int) pdf_suppress_optional_info);
break;
case IMG_TYPE_PDFSTREAM:
write_pdfstream(pdf, idict);
break;
default:
normal_error("pdf backend","internal error: writing unknown image type");
}
report_stop_file(filetype_image);
if (img_type(idict) == IMG_TYPE_PNG) {
write_additional_png_objects(pdf);
}
}
if (img_state(idict) < DICT_WRITTEN)
img_state(idict) = DICT_WRITTEN;
}
bool GenericImage::save(const char* filename)
{
const char *ext = filename + strlen(filename) - 4;
if (!strcmp(ext, ".png") || !strcmp(ext, ".PNG"))
write_png(filename);
else if (!strcmp(ext, ".jpg") || !strcmp(ext, ".JPG"))
write_jpg(filename, 100);
// else if (!strcmp(ext, ".raw") || !strcmp(ext, ".RAW"))
// write_raw(filename);
else return false;
return true;
}
