15 unsigned int read_pnm_int(FILE *fp, char* buf, char** t) {  in read_pnm_int()  argument
20           *t = fgets(buf, PPMREADBUFLEN, fp);  in read_pnm_int()
24         if (result == 0) { e_printf("Invalid PNM file.\n"); fclose(fp); }  in read_pnm_int()
30     FILE *fp = NULL;  in image_load_pnm()  local
31     if (!strcmp(filename,"-")) fp = stdin;  in image_load_pnm()
32     else fp = fopen(filename,"rb");  in image_load_pnm()
35     if (!fp) {  in image_load_pnm()
43         t = fgets(buf, PPMREADBUFLEN, fp);  in image_load_pnm()
50     if ( (!strncmp(buf, "P7", 2)) ) {return image_load_pam_fp(fp, image);}  in image_load_pnm()
54         fclose(fp);  in image_load_pnm()
58     if (!(width = read_pnm_int(fp,buf,&t))) return false;  in image_load_pnm()
59     if (!(height = read_pnm_int(fp,buf,&t))) return false;  in image_load_pnm()
61       if (!(maxval = read_pnm_int(fp,buf,&t))) return false;  in image_load_pnm()
64         fclose(fp);  in image_load_pnm()
79         for (unsigned int x=0; x<width; x++) {  in image_load_pnm()  local
80                 if (x%8 == 0) byte = fgetc(fp);  in image_load_pnm()
81                 image.set(0,y,x, (byte & (128>>(x%8)) ? 0 : 1));  in image_load_pnm()
87           for (unsigned int x=0; x<width; x++) {  in image_load_pnm()  local
89                 ColorVal pixel= (fgetc(fp) << 8);  in image_load_pnm()
90                 pixel += fgetc(fp);  in image_load_pnm()
92                     fclose(fp);  in image_load_pnm()
96                 image.set(c,y,x, pixel);  in image_load_pnm()
102           for (unsigned int x=0; x<width; x++) {  in image_load_pnm()  local
104                 image.set(c,y,x, fgetc(fp));  in image_load_pnm()
117     FILE *fp = NULL;  in image_save_pnm()  local
118     if (!strcmp(filename,"-")) fp = stdout;  in image_save_pnm()
119     else fp = fopen(filename,"wb");  in image_save_pnm()
120     if (!fp) {  in image_save_pnm()
131             fclose(fp);  in image_save_pnm()
136         fprintf(fp,"P6\n%u %u\n%i\n", width, height, max);  in image_save_pnm()
138             for (unsigned int x = 0; x < width; x++) {  in image_save_pnm()  local
139                 if (max > 0xff) fputc(image(0,y,x) >> 8,fp);  in image_save_pnm()
140                 fputc(image(0,y,x) & 0xFF,fp);  in image_save_pnm()
141                 if (max > 0xff) fputc(image(1,y,x) >> 8,fp);  in image_save_pnm()
142                 fputc(image(1,y,x) & 0xFF,fp);  in image_save_pnm()
143                 if (max > 0xff) fputc(image(2,y,x) >> 8,fp);  in image_save_pnm()
144                 fputc(image(2,y,x) & 0xFF,fp);  in image_save_pnm()
152             fclose(fp);  in image_save_pnm()
157         fprintf(fp,"P5\n%u %u\n%i\n", width, height, max);  in image_save_pnm()
159             for (unsigned int x = 0; x < width; x++) {  in image_save_pnm()  local
160                 if (max > 0xff) fputc(image(0,y,x) >> 8,fp);  in image_save_pnm()
161                 fputc(image(0,y,x) & 0xFF,fp);  in image_save_pnm()
166         fclose(fp);  in image_save_pnm()
173     fclose(fp);  in image_save_pnm()