254     viff_info;  in ReadVIFFImage()  local
276   count=ReadBlob(image,1,&viff_info.identifier);  in ReadVIFFImage()
282     if ((count != 1) || ((unsigned char) viff_info.identifier != 0xab))  in ReadVIFFImage()
287     (void) ReadBlob(image,sizeof(viff_info.file_type),&viff_info.file_type);  in ReadVIFFImage()
288     (void) ReadBlob(image,sizeof(viff_info.release),&viff_info.release);  in ReadVIFFImage()
289     (void) ReadBlob(image,sizeof(viff_info.version),&viff_info.version);  in ReadVIFFImage()
290     (void) ReadBlob(image,sizeof(viff_info.machine_dependency),  in ReadVIFFImage()
291       &viff_info.machine_dependency);  in ReadVIFFImage()
292     (void) ReadBlob(image,sizeof(viff_info.reserve),viff_info.reserve);  in ReadVIFFImage()
293     count=ReadBlob(image,512,(unsigned char *) viff_info.comment);  in ReadVIFFImage()
296     viff_info.comment[511]='\0';  in ReadVIFFImage()
297     if (strlen(viff_info.comment) > 4)  in ReadVIFFImage()
298       (void) SetImageProperty(image,"comment",viff_info.comment,exception);  in ReadVIFFImage()
299     if ((viff_info.machine_dependency == VFF_DEP_DECORDER) ||  in ReadVIFFImage()
300         (viff_info.machine_dependency == VFF_DEP_NSORDER))  in ReadVIFFImage()
304     viff_info.rows=ReadBlobLong(image);  in ReadVIFFImage()
305     viff_info.columns=ReadBlobLong(image);  in ReadVIFFImage()
306     viff_info.subrows=ReadBlobLong(image);  in ReadVIFFImage()
307     viff_info.x_offset=ReadBlobSignedLong(image);  in ReadVIFFImage()
308     viff_info.y_offset=ReadBlobSignedLong(image);  in ReadVIFFImage()
309     viff_info.x_bits_per_pixel=(float) ReadBlobLong(image);  in ReadVIFFImage()
310     viff_info.y_bits_per_pixel=(float) ReadBlobLong(image);  in ReadVIFFImage()
311     viff_info.location_type=ReadBlobLong(image);  in ReadVIFFImage()
312     viff_info.location_dimension=ReadBlobLong(image);  in ReadVIFFImage()
313     viff_info.number_of_images=ReadBlobLong(image);  in ReadVIFFImage()
314     viff_info.number_data_bands=ReadBlobLong(image);  in ReadVIFFImage()
315     viff_info.data_storage_type=ReadBlobLong(image);  in ReadVIFFImage()
316     viff_info.data_encode_scheme=ReadBlobLong(image);  in ReadVIFFImage()
317     viff_info.map_scheme=ReadBlobLong(image);  in ReadVIFFImage()
318     viff_info.map_storage_type=ReadBlobLong(image);  in ReadVIFFImage()
319     viff_info.map_rows=ReadBlobLong(image);  in ReadVIFFImage()
320     viff_info.map_columns=ReadBlobLong(image);  in ReadVIFFImage()
321     viff_info.map_subrows=ReadBlobLong(image);  in ReadVIFFImage()
322     viff_info.map_enable=ReadBlobLong(image);  in ReadVIFFImage()
323     viff_info.maps_per_cycle=ReadBlobLong(image);  in ReadVIFFImage()
324     viff_info.color_space_model=ReadBlobLong(image);  in ReadVIFFImage()
329     number_pixels=(MagickSizeType) viff_info.columns*viff_info.rows;  in ReadVIFFImage()
336     image->columns=viff_info.rows;  in ReadVIFFImage()
337     image->rows=viff_info.columns;  in ReadVIFFImage()
338     image->depth=viff_info.x_bits_per_pixel <= 8 ? 8UL :  in ReadVIFFImage()
340     image->alpha_trait=viff_info.number_data_bands == 4 ? BlendPixelTrait :  in ReadVIFFImage()
349     if ((viff_info.number_data_bands < 1) || (viff_info.number_data_bands > 4))  in ReadVIFFImage()
351     if ((viff_info.data_storage_type != VFF_TYP_BIT) &&  in ReadVIFFImage()
352         (viff_info.data_storage_type != VFF_TYP_1_BYTE) &&  in ReadVIFFImage()
353         (viff_info.data_storage_type != VFF_TYP_2_BYTE) &&  in ReadVIFFImage()
354         (viff_info.data_storage_type != VFF_TYP_4_BYTE) &&  in ReadVIFFImage()
355         (viff_info.data_storage_type != VFF_TYP_FLOAT) &&  in ReadVIFFImage()
356         (viff_info.data_storage_type != VFF_TYP_DOUBLE))  in ReadVIFFImage()
358     if (viff_info.data_encode_scheme != VFF_DES_RAW)  in ReadVIFFImage()
360     if ((viff_info.map_storage_type != VFF_MAPTYP_NONE) &&  in ReadVIFFImage()
361         (viff_info.map_storage_type != VFF_MAPTYP_1_BYTE) &&  in ReadVIFFImage()
362         (viff_info.map_storage_type != VFF_MAPTYP_2_BYTE) &&  in ReadVIFFImage()
363         (viff_info.map_storage_type != VFF_MAPTYP_4_BYTE) &&  in ReadVIFFImage()
364         (viff_info.map_storage_type != VFF_MAPTYP_FLOAT) &&  in ReadVIFFImage()
365         (viff_info.map_storage_type != VFF_MAPTYP_DOUBLE))  in ReadVIFFImage()
367     if ((viff_info.color_space_model != VFF_CM_NONE) &&  in ReadVIFFImage()
368         (viff_info.color_space_model != VFF_CM_ntscRGB) &&  in ReadVIFFImage()
369         (viff_info.color_space_model != VFF_CM_genericRGB))  in ReadVIFFImage()
371     if (viff_info.location_type != VFF_LOC_IMPLICIT)  in ReadVIFFImage()
373     if (viff_info.number_of_images != 1)  in ReadVIFFImage()
375     if (viff_info.map_rows == 0)  in ReadVIFFImage()
376       viff_info.map_scheme=VFF_MS_NONE;  in ReadVIFFImage()
377     switch ((int) viff_info.map_scheme)  in ReadVIFFImage()
381         if (viff_info.number_data_bands < 3)  in ReadVIFFImage()
386             if (viff_info.data_storage_type == VFF_TYP_BIT)  in ReadVIFFImage()
389               if (viff_info.data_storage_type == VFF_MAPTYP_1_BYTE)  in ReadVIFFImage()
408         switch ((int) viff_info.map_storage_type)  in ReadVIFFImage()
417         image->colors=viff_info.map_columns;  in ReadVIFFImage()
418         if ((MagickSizeType) (viff_info.map_rows*image->colors) > GetBlobSize(image))  in ReadVIFFImage()
422         if ((MagickSizeType) viff_info.map_rows > GetBlobSize(image))  in ReadVIFFImage()
424         if ((MagickSizeType) viff_info.map_rows >  in ReadVIFFImage()
425             (viff_info.map_rows*bytes_per_pixel*sizeof(*viff_colormap)))  in ReadVIFFImage()
428           viff_info.map_rows*bytes_per_pixel*sizeof(*viff_colormap));  in ReadVIFFImage()
434         count=ReadBlob(image,bytes_per_pixel*image->colors*viff_info.map_rows,  in ReadVIFFImage()
438             ((viff_info.machine_dependency != VFF_DEP_DECORDER) &&  in ReadVIFFImage()
439              (viff_info.machine_dependency != VFF_DEP_NSORDER)))  in ReadVIFFImage()
440           switch ((int) viff_info.map_storage_type)  in ReadVIFFImage()
445                 viff_info.map_rows));  in ReadVIFFImage()
452                 viff_info.map_rows));  in ReadVIFFImage()
457         for (i=0; i < (ssize_t) (viff_info.map_rows*image->colors); i++)  in ReadVIFFImage()
459           switch ((int) viff_info.map_storage_type)  in ReadVIFFImage()
494     if (viff_info.data_storage_type == VFF_TYP_BIT)  in ReadVIFFImage()
507     switch ((int) viff_info.data_storage_type)  in ReadVIFFImage()
515     if (viff_info.data_storage_type == VFF_TYP_BIT)  in ReadVIFFImage()
522 …if (HeapOverflowSanityCheckGetSize((size_t) number_pixels,viff_info.number_data_bands,&max_packets…  in ReadVIFFImage()
536         ((viff_info.machine_dependency != VFF_DEP_DECORDER) &&  in ReadVIFFImage()
537          (viff_info.machine_dependency != VFF_DEP_NSORDER)))  in ReadVIFFImage()
538       switch ((int) viff_info.data_storage_type)  in ReadVIFFImage()
555     if ((viff_info.data_storage_type != VFF_TYP_1_BYTE) &&  in ReadVIFFImage()
556         (viff_info.map_scheme == VFF_MS_NONE))  in ReadVIFFImage()
564         switch ((int) viff_info.data_storage_type)  in ReadVIFFImage()
576           switch ((int) viff_info.data_storage_type)  in ReadVIFFImage()
607       switch ((int) viff_info.data_storage_type)  in ReadVIFFImage()
615       if (viff_info.map_scheme == VFF_MS_NONE)  in ReadVIFFImage()
631     if (viff_info.data_storage_type == VFF_TYP_BIT)  in ReadVIFFImage()
764     count=ReadBlob(image,1,&viff_info.identifier);  in ReadVIFFImage()
765     if ((count == 1) && (viff_info.identifier == 0xab))  in ReadVIFFImage()
782   } while ((count != 0) && (viff_info.identifier == 0xab));  in ReadVIFFImage()
975     viff_info;  in WriteVIFFImage()  local
991   (void) memset(&viff_info,0,sizeof(ViffInfo));  in WriteVIFFImage()
1000     viff_info.identifier=(char) -85;  in WriteVIFFImage()
1001     viff_info.file_type=1;  in WriteVIFFImage()
1002     viff_info.release=1;  in WriteVIFFImage()
1003     viff_info.version=3;  in WriteVIFFImage()
1004     viff_info.machine_dependency=VFF_DEP_IEEEORDER;  /* IEEE byte ordering */  in WriteVIFFImage()
1005     *viff_info.comment='\0';  in WriteVIFFImage()
1008       (void) CopyMagickString(viff_info.comment,value,MagickMin(strlen(value),  in WriteVIFFImage()
1010     viff_info.rows=image->columns;  in WriteVIFFImage()
1011     viff_info.columns=image->rows;  in WriteVIFFImage()
1012     viff_info.subrows=0;  in WriteVIFFImage()
1013     viff_info.x_offset=(~0);  in WriteVIFFImage()
1014     viff_info.y_offset=(~0);  in WriteVIFFImage()
1015     viff_info.x_bits_per_pixel=0;  in WriteVIFFImage()
1016     viff_info.y_bits_per_pixel=0;  in WriteVIFFImage()
1017     viff_info.location_type=VFF_LOC_IMPLICIT;  in WriteVIFFImage()
1018     viff_info.location_dimension=0;  in WriteVIFFImage()
1019     viff_info.number_of_images=1;  in WriteVIFFImage()
1020     viff_info.data_encode_scheme=VFF_DES_RAW;  in WriteVIFFImage()
1021     viff_info.map_scheme=VFF_MS_NONE;  in WriteVIFFImage()
1022     viff_info.map_storage_type=VFF_MAPTYP_NONE;  in WriteVIFFImage()
1023     viff_info.map_rows=0;  in WriteVIFFImage()
1024     viff_info.map_columns=0;  in WriteVIFFImage()
1025     viff_info.map_subrows=0;  in WriteVIFFImage()
1026     viff_info.map_enable=1;  /* no colormap */  in WriteVIFFImage()
1027     viff_info.maps_per_cycle=0;  in WriteVIFFImage()
1034         viff_info.number_data_bands=image->alpha_trait ? 4U : 3U;  in WriteVIFFImage()
1035         viff_info.color_space_model=VFF_CM_genericRGB;  in WriteVIFFImage()
1036         viff_info.data_storage_type=VFF_TYP_1_BYTE;  in WriteVIFFImage()
1037         packets=viff_info.number_data_bands*number_pixels;  in WriteVIFFImage()
1041         viff_info.number_data_bands=1;  in WriteVIFFImage()
1042         viff_info.color_space_model=VFF_CM_NONE;  in WriteVIFFImage()
1043         viff_info.data_storage_type=VFF_TYP_1_BYTE;  in WriteVIFFImage()
1050             viff_info.map_scheme=VFF_MS_ONEPERBAND;  in WriteVIFFImage()
1051             viff_info.map_storage_type=VFF_MAPTYP_1_BYTE;  in WriteVIFFImage()
1052             viff_info.map_rows=3;  in WriteVIFFImage()
1053             viff_info.map_columns=(unsigned int) image->colors;  in WriteVIFFImage()
1061               viff_info.data_storage_type=VFF_TYP_BIT;  in WriteVIFFImage()
1068     (void) WriteBlob(image,sizeof(viff_info.identifier),(unsigned char *)  in WriteVIFFImage()
1069       &viff_info.identifier);  in WriteVIFFImage()
1070     (void) WriteBlob(image,sizeof(viff_info.file_type),(unsigned char *)  in WriteVIFFImage()
1071       &viff_info.file_type);  in WriteVIFFImage()
1072     (void) WriteBlob(image,sizeof(viff_info.release),(unsigned char *)  in WriteVIFFImage()
1073       &viff_info.release);  in WriteVIFFImage()
1074     (void) WriteBlob(image,sizeof(viff_info.version),(unsigned char *)  in WriteVIFFImage()
1075       &viff_info.version);  in WriteVIFFImage()
1076     (void) WriteBlob(image,sizeof(viff_info.machine_dependency),  in WriteVIFFImage()
1077       (unsigned char *) &viff_info.machine_dependency);  in WriteVIFFImage()
1078     (void) WriteBlob(image,sizeof(viff_info.reserve),(unsigned char *)  in WriteVIFFImage()
1079       viff_info.reserve);  in WriteVIFFImage()
1080     (void) WriteBlob(image,512,(unsigned char *) viff_info.comment);  in WriteVIFFImage()
1081     (void) WriteBlobMSBLong(image,(unsigned int) viff_info.rows);  in WriteVIFFImage()
1082     (void) WriteBlobMSBLong(image,(unsigned int) viff_info.columns);  in WriteVIFFImage()
1083     (void) WriteBlobMSBLong(image,(unsigned int) viff_info.subrows);  in WriteVIFFImage()
1084     (void) WriteBlobMSBLong(image,(unsigned int) viff_info.x_offset);  in WriteVIFFImage()
1085     (void) WriteBlobMSBLong(image,(unsigned int) viff_info.y_offset);  in WriteVIFFImage()
1086     viff_info.x_bits_per_pixel=(unsigned int) ((63 << 24) | (128 << 16));  in WriteVIFFImage()
1087     (void) WriteBlobMSBLong(image,(unsigned int) viff_info.x_bits_per_pixel);  in WriteVIFFImage()
1088     viff_info.y_bits_per_pixel=(unsigned int) ((63 << 24) | (128 << 16));  in WriteVIFFImage()
1089     (void) WriteBlobMSBLong(image,(unsigned int) viff_info.y_bits_per_pixel);  in WriteVIFFImage()
1090     (void) WriteBlobMSBLong(image,viff_info.location_type);  in WriteVIFFImage()
1091     (void) WriteBlobMSBLong(image,viff_info.location_dimension);  in WriteVIFFImage()
1092     (void) WriteBlobMSBLong(image,(unsigned int) viff_info.number_of_images);  in WriteVIFFImage()
1093     (void) WriteBlobMSBLong(image,(unsigned int) viff_info.number_data_bands);  in WriteVIFFImage()
1094     (void) WriteBlobMSBLong(image,(unsigned int) viff_info.data_storage_type);  in WriteVIFFImage()
1095     (void) WriteBlobMSBLong(image,(unsigned int) viff_info.data_encode_scheme);  in WriteVIFFImage()
1096     (void) WriteBlobMSBLong(image,(unsigned int) viff_info.map_scheme);  in WriteVIFFImage()
1097     (void) WriteBlobMSBLong(image,(unsigned int) viff_info.map_storage_type);  in WriteVIFFImage()
1098     (void) WriteBlobMSBLong(image,(unsigned int) viff_info.map_rows);  in WriteVIFFImage()
1099     (void) WriteBlobMSBLong(image,(unsigned int) viff_info.map_columns);  in WriteVIFFImage()
1100     (void) WriteBlobMSBLong(image,(unsigned int) viff_info.map_subrows);  in WriteVIFFImage()
1101     (void) WriteBlobMSBLong(image,(unsigned int) viff_info.map_enable);  in WriteVIFFImage()
1102     (void) WriteBlobMSBLong(image,(unsigned int) viff_info.maps_per_cycle);  in WriteVIFFImage()
1103     (void) WriteBlobMSBLong(image,(unsigned int) viff_info.color_space_model);  in WriteVIFFImage()