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jhead.c
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jhead.c
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//--------------------------------------------------------------------------
// Program to pull the information out of various types of EXIF digital
// camera files and show it in a reasonably consistent way
//
// Version 2.86
//
// Compiling under Windows:
// Make sure you have Microsoft's compiler on the path, then run make.bat
//
// Dec 1999 - Mar 2009
//
// by Matthias Wandel www.sentex.net/~mwandel
//--------------------------------------------------------------------------
#include "jhead.h"
#include <sys/stat.h>
#include <utils/Log.h>
#define JHEAD_VERSION "2.87"
// This #define turns on features that are too very specific to
// how I organize my photos. Best to ignore everything inside #ifdef MATTHIAS
//#define MATTHIAS
#ifdef _WIN32
#include <io.h>
#endif
static int FilesMatched;
static int FileSequence;
static const char * CurrentFile;
static const char * progname; // program name for error messages
//--------------------------------------------------------------------------
// Command line options flags
static int TrimExif = FALSE; // Cut off exif beyond interesting data.
static int RenameToDate = 0; // 1=rename, 2=rename all.
#ifdef _WIN32
static int RenameAssociatedFiles = FALSE;
#endif
static char * strftime_args = NULL; // Format for new file name.
static int Exif2FileTime = FALSE;
static int DoModify = FALSE;
static int DoReadAction = FALSE;
int ShowTags = FALSE; // Do not show raw by default.
static int Quiet = FALSE; // Be quiet on success (like unix programs)
int DumpExifMap = FALSE;
static int ShowConcise = FALSE;
static int CreateExifSection = FALSE;
static char * ApplyCommand = NULL; // Apply this command to all images.
static char * FilterModel = NULL;
static int ExifOnly = FALSE;
static int PortraitOnly = FALSE;
static time_t ExifTimeAdjust = 0; // Timezone adjust
static time_t ExifTimeSet = 0; // Set exif time to a value.
static char DateSet[11];
static unsigned DateSetChars = 0;
static unsigned FileTimeToExif = FALSE;
static int DeleteComments = FALSE;
static int DeleteExif = FALSE;
static int DeleteIptc = FALSE;
static int DeleteXmp = FALSE;
static int DeleteUnknown = FALSE;
static char * ThumbSaveName = NULL; // If not NULL, use this string to make up
// the filename to store the thumbnail to.
static char * ThumbInsertName = NULL; // If not NULL, use this string to make up
// the filename to retrieve the thumbnail from.
static int RegenThumbnail = FALSE;
static char * ExifXferScrFile = NULL;// Extract Exif header from this file, and
// put it into the Jpegs processed.
static int EditComment = FALSE; // Invoke an editor for editing the comment
static int SupressNonFatalErrors = FALSE; // Wether or not to pint warnings on recoverable errors
static char * CommentSavefileName = NULL; // Save comment to this file.
static char * CommentInsertfileName = NULL; // Insert comment from this file.
static char * CommentInsertLiteral = NULL; // Insert this comment (from command line)
static int AutoRotate = FALSE;
static int ZeroRotateTagOnly = FALSE;
static int ShowFileInfo = TRUE; // Indicates to show standard file info
// (file name, file size, file date)
#ifdef MATTHIAS
// This #ifdef to take out less than elegant stuff for editing
// the comments in a JPEG. The programs rdjpgcom and wrjpgcom
// included with Linux distributions do a better job.
static char * AddComment = NULL; // Add this tag.
static char * RemComment = NULL; // Remove this tag
static int AutoResize = FALSE;
#endif // MATTHIAS
//--------------------------------------------------------------------------
// Error exit handler
//--------------------------------------------------------------------------
void ErrFatal(char * msg)
{
ALOGE("Error : %s\n", msg);
if (CurrentFile) fprintf(stderr,"in file '%s'\n",CurrentFile);
exit(EXIT_FAILURE);
}
//--------------------------------------------------------------------------
// Report non fatal errors. Now that microsoft.net modifies exif headers,
// there's corrupted ones, and there could be more in the future.
//--------------------------------------------------------------------------
void ErrNonfatal(char * msg, int a1, int a2)
{
ALOGV("Nonfatal Error : ");
ALOGV(msg, a1, a2);
if (SupressNonFatalErrors) return;
fprintf(stderr,"\nNonfatal Error : ");
if (CurrentFile) fprintf(stderr,"'%s' ",CurrentFile);
fprintf(stderr, msg, a1, a2);
fprintf(stderr, "\n");
}
//--------------------------------------------------------------------------
// Set file time as exif time.
//--------------------------------------------------------------------------
void FileTimeAsString(char * TimeStr)
{
struct tm ts;
ts = *localtime(&ImageInfo.FileDateTime);
strftime(TimeStr, 20, "%Y:%m:%d %H:%M:%S", &ts);
}
#if 0 // not used -- possible security risk with use of system, sprintf, etc.
//--------------------------------------------------------------------------
// Invoke an editor for editing a string.
//--------------------------------------------------------------------------
static int FileEditComment(char * TempFileName, char * Comment, int CommentSize)
{
FILE * file;
int a;
char QuotedPath[PATH_MAX+10];
file = fopen(TempFileName, "w");
if (file == NULL){
fprintf(stderr, "Can't create file '%s'\n",TempFileName);
ErrFatal("could not create temporary file");
}
fwrite(Comment, CommentSize, 1, file);
fclose(file);
fflush(stdout); // So logs are contiguous.
{
char * Editor;
Editor = getenv("EDITOR");
if (Editor == NULL){
#ifdef _WIN32
Editor = "notepad";
#else
Editor = "vi";
#endif
}
if (strlen(Editor) > PATH_MAX) ErrFatal("env too long");
sprintf(QuotedPath, "%s \"%s\"",Editor, TempFileName);
a = system(QuotedPath);
}
if (a != 0){
perror("Editor failed to launch");
exit(-1);
}
file = fopen(TempFileName, "r");
if (file == NULL){
ErrFatal("could not open temp file for read");
}
// Read the file back in.
CommentSize = fread(Comment, 1, 999, file);
fclose(file);
unlink(TempFileName);
return CommentSize;
}
#ifdef MATTHIAS
//--------------------------------------------------------------------------
// Modify one of the lines in the comment field.
// This very specific to the photo album program stuff.
//--------------------------------------------------------------------------
static char KnownTags[][10] = {"date", "desc","scan_date","author",
"keyword","videograb",
"show_raw","panorama","titlepix",""};
static int ModifyDescriptComment(char * OutComment, char * SrcComment)
{
char Line[500];
int Len;
int a,i;
unsigned l;
int HasScandate = FALSE;
int TagExists = FALSE;
int Modified = FALSE;
Len = 0;
OutComment[0] = 0;
for (i=0;;i++){
if (SrcComment[i] == '\r' || SrcComment[i] == '\n' || SrcComment[i] == 0 || Len >= 199){
// Process the line.
if (Len > 0){
Line[Len] = 0;
//printf("Line: '%s'\n",Line);
for (a=0;;a++){
l = strlen(KnownTags[a]);
if (!l){
// Unknown tag. Discard it.
printf("Error: Unknown tag '%s'\n", Line); // Deletes the tag.
Modified = TRUE;
break;
}
if (memcmp(Line, KnownTags[a], l) == 0){
if (Line[l] == ' ' || Line[l] == '=' || Line[l] == 0){
// Its a good tag.
if (Line[l] == ' ') Line[l] = '='; // Use equal sign for clarity.
if (a == 2) break; // Delete 'orig_path' tag.
if (a == 3) HasScandate = TRUE;
if (RemComment){
if (strlen(RemComment) == l){
if (!memcmp(Line, RemComment, l)){
Modified = TRUE;
break;
}
}
}
if (AddComment){
// Overwrite old comment of same tag with new one.
if (!memcmp(Line, AddComment, l+1)){
TagExists = TRUE;
strncpy(Line, AddComment, sizeof(Line));
Modified = TRUE;
}
}
strncat(OutComment, Line, MAX_COMMENT_SIZE-5-strlen(OutComment));
strcat(OutComment, "\n");
break;
}
}
}
}
Line[Len = 0] = 0;
if (SrcComment[i] == 0) break;
}else{
Line[Len++] = SrcComment[i];
}
}
if (AddComment && TagExists == FALSE){
strncat(OutComment, AddComment, MAX_COMMENT_SIZE-5-strlen(OutComment));
strcat(OutComment, "\n");
Modified = TRUE;
}
if (!HasScandate && !ImageInfo.DateTime[0]){
// Scan date is not in the file yet, and it doesn't have one built in. Add it.
char Temp[30];
sprintf(Temp, "scan_date=%s", ctime(&ImageInfo.FileDateTime));
strncat(OutComment, Temp, MAX_COMMENT_SIZE-5-strlen(OutComment));
Modified = TRUE;
}
return Modified;
}
//--------------------------------------------------------------------------
// Automatic make smaller command stuff
//--------------------------------------------------------------------------
static int AutoResizeCmdStuff(void)
{
static char CommandString[PATH_MAX+1];
double scale;
ApplyCommand = CommandString;
if (ImageInfo.Height <= 1280 && ImageInfo.Width <= 1280){
printf("not resizing %dx%x '%s'\n",ImageInfo.Height, ImageInfo.Width, ImageInfo.FileName);
return FALSE;
}
scale = 1024.0 / ImageInfo.Height;
if (1024.0 / ImageInfo.Width < scale) scale = 1024.0 / ImageInfo.Width;
if (scale < 0.5) scale = 0.5; // Don't scale down by more than a factor of two.
sprintf(CommandString, "mogrify -geometry %dx%d -quality 85 &i",(int)(ImageInfo.Width*scale), (int)(ImageInfo.Height*scale));
return TRUE;
}
#endif // MATTHIAS
//--------------------------------------------------------------------------
// Escape an argument such that it is interpreted literally by the shell
// (returns the number of written characters)
//--------------------------------------------------------------------------
static int shellescape(char* to, const char* from)
{
int i, j;
i = j = 0;
// Enclosing characters in double quotes preserves the literal value of
// all characters within the quotes, with the exception of $, `, and \.
to[j++] = '"';
while(from[i])
{
#ifdef _WIN32
// Under WIN32, there isn't really anything dangerous you can do with
// escape characters, plus windows users aren't as sercurity paranoid.
// Hence, no need to do fancy escaping.
to[j++] = from[i++];
#else
switch(from[i]) {
case '"':
case '$':
case '`':
case '\\':
to[j++] = '\\';
// Fallthru...
default:
to[j++] = from[i++];
}
#endif
if (j >= PATH_MAX) ErrFatal("max path exceeded");
}
to[j++] = '"';
return j;
}
//--------------------------------------------------------------------------
// Apply the specified command to the JPEG file.
//--------------------------------------------------------------------------
static void DoCommand(const char * FileName, int ShowIt)
{
int a,e;
char ExecString[PATH_MAX*3];
char TempName[PATH_MAX+10];
int TempUsed = FALSE;
e = 0;
// Generate an unused temporary file name in the destination directory
// (a is the number of characters to copy from FileName)
a = strlen(FileName)-1;
while(a > 0 && FileName[a-1] != SLASH) a--;
memcpy(TempName, FileName, a);
strcpy(TempName+a, "XXXXXX");
mktemp(TempName);
if(!TempName[0]) {
ErrFatal("Cannot find available temporary file name");
}
// Build the exec string. &i and &o in the exec string get replaced by input and output files.
for (a=0;;a++){
if (ApplyCommand[a] == '&'){
if (ApplyCommand[a+1] == 'i'){
// Input file.
e += shellescape(ExecString+e, FileName);
a += 1;
continue;
}
if (ApplyCommand[a+1] == 'o'){
// Needs an output file distinct from the input file.
e += shellescape(ExecString+e, TempName);
a += 1;
TempUsed = TRUE;
continue;
}
}
ExecString[e++] = ApplyCommand[a];
if (ApplyCommand[a] == 0) break;
}
if (ShowIt) printf("Cmd:%s\n",ExecString);
errno = 0;
a = system(ExecString);
if (a || errno){
// A command can however fail without errno getting set or system returning an error.
if (errno) perror("system");
ErrFatal("Problem executing specified command");
}
if (TempUsed){
// Don't delete original file until we know a new one was created by the command.
struct stat dummy;
if (stat(TempName, &dummy) == 0){
unlink(FileName);
rename(TempName, FileName);
}else{
ErrFatal("specified command did not produce expected output file");
}
}
}
//--------------------------------------------------------------------------
// check if this file should be skipped based on contents.
//--------------------------------------------------------------------------
static int CheckFileSkip(void)
{
// I sometimes add code here to only process images based on certain
// criteria - for example, only to convert non progressive Jpegs to progressives, etc..
if (FilterModel){
// Filtering processing by camera model.
// This feature is useful when pictures from multiple cameras are colated,
// the its found that one of the cameras has the time set incorrectly.
if (strstr(ImageInfo.CameraModel, FilterModel) == NULL){
// Skip.
return TRUE;
}
}
if (ExifOnly){
// Filtering by EXIF only. Skip all files that have no Exif.
if (FindSection(M_EXIF) == NULL){
return TRUE;
}
}
if (PortraitOnly == 1){
if (ImageInfo.Width > ImageInfo.Height) return TRUE;
}
if (PortraitOnly == -1){
if (ImageInfo.Width < ImageInfo.Height) return TRUE;
}
return FALSE;
}
//--------------------------------------------------------------------------
// Subsititute original name for '&i' if present in specified name.
// This to allow specifying relative names when manipulating multiple files.
//--------------------------------------------------------------------------
static void RelativeName(char * OutFileName, const char * NamePattern, const char * OrigName)
{
// If the filename contains substring "&i", then substitute the
// filename for that. This gives flexibility in terms of processing
// multiple files at a time.
char * Subst;
Subst = strstr(NamePattern, "&i");
if (Subst){
strncpy(OutFileName, NamePattern, Subst-NamePattern);
OutFileName[Subst-NamePattern] = 0;
strncat(OutFileName, OrigName, PATH_MAX);
strncat(OutFileName, Subst+2, PATH_MAX);
}else{
strncpy(OutFileName, NamePattern, PATH_MAX);
}
}
#ifdef _WIN32
//--------------------------------------------------------------------------
// Rename associated files
//--------------------------------------------------------------------------
void RenameAssociated(const char * FileName, char * NewBaseName)
{
int a;
int PathLen;
int ExtPos;
char FilePattern[_MAX_PATH+1];
char NewName[_MAX_PATH+1];
struct _finddata_t finddata;
long find_handle;
for(ExtPos = strlen(FileName);FileName[ExtPos-1] != '.';){
if (--ExtPos == 0) return; // No extension!
}
memcpy(FilePattern, FileName, ExtPos);
FilePattern[ExtPos] = '*';
FilePattern[ExtPos+1] = '\0';
for(PathLen = strlen(FileName);FileName[PathLen-1] != SLASH;){
if (--PathLen == 0) break;
}
find_handle = _findfirst(FilePattern, &finddata);
for (;;){
if (find_handle == -1) break;
// Eliminate the obvious patterns.
if (!memcmp(finddata.name, ".",2)) goto next_file;
if (!memcmp(finddata.name, "..",3)) goto next_file;
if (finddata.attrib & _A_SUBDIR) goto next_file;
strncpy(FilePattern+PathLen, finddata.name, PATH_MAX-PathLen); // full name with path
strcpy(NewName, NewBaseName);
for(a = strlen(finddata.name);finddata.name[a] != '.';){
if (--a == 0) goto next_file;
}
strncat(NewName, finddata.name+a, _MAX_PATH-strlen(NewName)); // add extension to new name
if (rename(FilePattern, NewName) == 0){
if (!Quiet){
printf("%s --> %s\n",FilePattern, NewName);
}
}
next_file:
if (_findnext(find_handle, &finddata) != 0) break;
}
_findclose(find_handle);
}
#endif
//--------------------------------------------------------------------------
// Handle renaming of files by date.
//--------------------------------------------------------------------------
static void DoFileRenaming(const char * FileName)
{
int NumAlpha = 0;
int NumDigit = 0;
int PrefixPart = 0; // Where the actual filename starts.
int ExtensionPart; // Where the file extension starts.
int a;
struct tm tm;
char NewBaseName[PATH_MAX*2];
int AddLetter = 0;
char NewName[PATH_MAX+2];
ExtensionPart = strlen(FileName);
for (a=0;FileName[a];a++){
if (FileName[a] == SLASH){
// Don't count path component.
NumAlpha = 0;
NumDigit = 0;
PrefixPart = a+1;
}
if (FileName[a] == '.') ExtensionPart = a; // Remember where extension starts.
if (isalpha(FileName[a])) NumAlpha += 1; // Tally up alpha vs. digits to judge wether to rename.
if (isdigit(FileName[a])) NumDigit += 1;
}
if (RenameToDate <= 1){
// If naming isn't forced, ensure name is mostly digits, or leave it alone.
if (NumAlpha > 8 || NumDigit < 4){
return;
}
}
if (!Exif2tm(&tm, ImageInfo.DateTime)){
printf("File '%s' contains no exif date stamp. Using file date\n",FileName);
// Use file date/time instead.
tm = *localtime(&ImageInfo.FileDateTime);
}
strncpy(NewBaseName, FileName, PATH_MAX); // Get path component of name.
if (strftime_args){
// Complicated scheme for flexibility. Just pass the args to strftime.
time_t UnixTime;
char *s;
char pattern[PATH_MAX+20];
int n = ExtensionPart - PrefixPart;
// Call mktime to get weekday and such filled in.
UnixTime = mktime(&tm);
if ((int)UnixTime == -1){
printf("Could not convert %s to unix time",ImageInfo.DateTime);
return;
}
// Substitute "%f" for the original name (minus path & extension)
pattern[PATH_MAX-1]=0;
strncpy(pattern, strftime_args, PATH_MAX-1);
while ((s = strstr(pattern, "%f")) && strlen(pattern) + n < PATH_MAX-1){
memmove(s + n, s + 2, strlen(s+2) + 1);
memmove(s, FileName + PrefixPart, n);
}
{
// Sequential number renaming part.
// '%i' type pattern becomes sequence number.
int ppos = -1;
for (a=0;pattern[a];a++){
if (pattern[a] == '%'){
ppos = a;
}else if (pattern[a] == 'i'){
if (ppos >= 0 && a<ppos+4){
// Replace this part with a number.
char pat[8], num[16];
int l,nl;
memcpy(pat, pattern+ppos, 4);
pat[a-ppos] = 'd'; // Replace 'i' with 'd' for '%d'
pat[a-ppos+1] = '\0';
sprintf(num, pat, FileSequence); // let printf do the number formatting.
nl = strlen(num);
l = strlen(pattern+a+1);
if (ppos+nl+l+1 >= PATH_MAX) ErrFatal("str overflow");
memmove(pattern+ppos+nl, pattern+a+1, l+1);
memcpy(pattern+ppos, num, nl);
break;
}
}else if (!isdigit(pattern[a])){
ppos = -1;
}
}
}
strftime(NewName, PATH_MAX, pattern, &tm);
}else{
// My favourite scheme.
sprintf(NewName, "%02d%02d-%02d%02d%02d",
tm.tm_mon+1, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec);
}
NewBaseName[PrefixPart] = 0;
CatPath(NewBaseName, NewName);
AddLetter = isdigit(NewBaseName[strlen(NewBaseName)-1]);
for (a=0;;a++){
char NewName[PATH_MAX+10];
char NameExtra[3];
struct stat dummy;
if (a){
// Generate a suffix for the file name if previous choice of names is taken.
// depending on wether the name ends in a letter or digit, pick the opposite to separate
// it. This to avoid using a separator character - this because any good separator
// is before the '.' in ascii, and so sorting the names would put the later name before
// the name without suffix, causing the pictures to more likely be out of order.
if (AddLetter){
NameExtra[0] = (char)('a'-1+a); // Try a,b,c,d... for suffix if it ends in a number.
}else{
NameExtra[0] = (char)('0'-1+a); // Try 0,1,2,3... for suffix if it ends in a latter.
}
NameExtra[1] = 0;
}else{
NameExtra[0] = 0;
}
sprintf(NewName, "%s%s.jpg", NewBaseName, NameExtra);
if (!strcmp(FileName, NewName)) break; // Skip if its already this name.
if (!EnsurePathExists(NewBaseName)){
break;
}
if (stat(NewName, &dummy)){
// This name does not pre-exist.
if (rename(FileName, NewName) == 0){
printf("%s --> %s\n",FileName, NewName);
#ifdef _WIN32
if (RenameAssociatedFiles){
sprintf(NewName, "%s%s", NewBaseName, NameExtra);
RenameAssociated(FileName, NewName);
}
#endif
}else{
printf("Error: Couldn't rename '%s' to '%s'\n",FileName, NewName);
}
break;
}
if (a > 25 || (!AddLetter && a > 9)){
printf("Possible new names for for '%s' already exist\n",FileName);
break;
}
}
}
//--------------------------------------------------------------------------
// Rotate the image and its thumbnail
//--------------------------------------------------------------------------
static int DoAutoRotate(const char * FileName)
{
if (ImageInfo.Orientation >= 2 && ImageInfo.Orientation <= 8){
const char * Argument;
Argument = ClearOrientation();
if (!ZeroRotateTagOnly){
char RotateCommand[PATH_MAX*2+50];
if (Argument == NULL){
ErrFatal("Orientation screwup");
}
sprintf(RotateCommand, "jpegtran -trim -%s -outfile &o &i", Argument);
ApplyCommand = RotateCommand;
DoCommand(FileName, FALSE);
ApplyCommand = NULL;
// Now rotate the thumbnail, if there is one.
if (ImageInfo.ThumbnailOffset &&
ImageInfo.ThumbnailSize &&
ImageInfo.ThumbnailAtEnd){
// Must have a thumbnail that exists and is modifieable.
char ThumbTempName_in[PATH_MAX+5];
char ThumbTempName_out[PATH_MAX+5];
strcpy(ThumbTempName_in, FileName);
strcat(ThumbTempName_in, ".thi");
strcpy(ThumbTempName_out, FileName);
strcat(ThumbTempName_out, ".tho");
SaveThumbnail(ThumbTempName_in);
sprintf(RotateCommand,"jpegtran -trim -%s -outfile \"%s\" \"%s\"",
Argument, ThumbTempName_out, ThumbTempName_in);
if (system(RotateCommand) == 0){
// Put the thumbnail back in the header
ReplaceThumbnail(ThumbTempName_out);
}
unlink(ThumbTempName_in);
unlink(ThumbTempName_out);
}
}
return TRUE;
}
return FALSE;
}
//--------------------------------------------------------------------------
// Regenerate the thumbnail using mogrify
//--------------------------------------------------------------------------
static int RegenerateThumbnail(const char * FileName)
{
char ThumbnailGenCommand[PATH_MAX*2+50];
if (ImageInfo.ThumbnailOffset == 0 || ImageInfo.ThumbnailAtEnd == FALSE){
// There is no thumbnail, or the thumbnail is not at the end.
return FALSE;
}
sprintf(ThumbnailGenCommand, "mogrify -thumbnail %dx%d \"%s\"",
RegenThumbnail, RegenThumbnail, FileName);
if (system(ThumbnailGenCommand) == 0){
// Put the thumbnail back in the header
return ReplaceThumbnail(FileName);
}else{
ErrFatal("Unable to run 'mogrify' command");
return FALSE;
}
}
//--------------------------------------------------------------------------
// Do selected operations to one file at a time.
//--------------------------------------------------------------------------
void ProcessFile(const char * FileName)
{
int Modified = FALSE;
ReadMode_t ReadMode;
if (strlen(FileName) >= PATH_MAX-1){
// Protect against buffer overruns in strcpy / strcat's on filename
ErrFatal("filename too long");
}
ReadMode = READ_METADATA;
CurrentFile = FileName;
FilesMatched = 1;
ResetJpgfile();
// Start with an empty image information structure.
memset(&ImageInfo, 0, sizeof(ImageInfo));
ImageInfo.FlashUsed = -1;
ImageInfo.MeteringMode = -1;
ImageInfo.Whitebalance = -1;
// Store file date/time.
{
struct stat st;
if (stat(FileName, &st) >= 0){
ImageInfo.FileDateTime = st.st_mtime;
ImageInfo.FileSize = st.st_size;
}else{
ErrFatal("No such file");
}
}
if (DoModify || RenameToDate || Exif2FileTime){
if (access(FileName, 2 /*W_OK*/)){
printf("Skipping readonly file '%s'\n",FileName);
return;
}
}
strncpy(ImageInfo.FileName, FileName, PATH_MAX);
if (ApplyCommand || AutoRotate){
// Applying a command is special - the headers from the file have to be
// pre-read, then the command executed, and then the image part of the file read.
if (!ReadJpegFile(FileName, READ_METADATA)) return;
#ifdef MATTHIAS
if (AutoResize){
// Automatic resize computation - to customize for each run...
if (AutoResizeCmdStuff() == 0){
DiscardData();
return;
}
}
#endif // MATTHIAS
if (CheckFileSkip()){
DiscardData();
return;
}
DiscardAllButExif();
if (AutoRotate){
if (DoAutoRotate(FileName)){
Modified = TRUE;
}
}else{
struct stat dummy;
DoCommand(FileName, Quiet ? FALSE : TRUE);
if (stat(FileName, &dummy)){
// The file is not there anymore. Perhaps the command
// was a delete or a move. So we are all done.
return;
}
Modified = TRUE;
}
ReadMode = READ_IMAGE; // Don't re-read exif section again on next read.
}else if (ExifXferScrFile){
char RelativeExifName[PATH_MAX+1];
// Make a relative name.
RelativeName(RelativeExifName, ExifXferScrFile, FileName);
if(!ReadJpegFile(RelativeExifName, READ_METADATA)) return;
DiscardAllButExif(); // Don't re-read exif section again on next read.
Modified = TRUE;
ReadMode = READ_IMAGE;
}
if (DoModify){
ReadMode |= READ_IMAGE;
}
if (!ReadJpegFile(FileName, ReadMode)) return;
if (CheckFileSkip()){
DiscardData();
return;
}
FileSequence += 1; // Count files processed.
if (ShowConcise){
ShowConciseImageInfo();
}else{
if (!(DoModify || DoReadAction) || ShowTags){
ShowImageInfo(ShowFileInfo);
{
// if IPTC section is present, show it also.
Section_t * IptcSection;
IptcSection = FindSection(M_IPTC);
if (IptcSection){
show_IPTC(IptcSection->Data, IptcSection->Size);
}
}
printf("\n");
}
}
if (ThumbSaveName){
char OutFileName[PATH_MAX+1];
// Make a relative name.
RelativeName(OutFileName, ThumbSaveName, FileName);
if (SaveThumbnail(OutFileName)){
printf("Created: '%s'\n", OutFileName);
}
}
if (CreateExifSection){
// Make a new minimal exif section
create_EXIF(NULL, 0, 0, 0);
Modified = TRUE;
}
if (RegenThumbnail){
if (RegenerateThumbnail(FileName)){
Modified = TRUE;
}
}
if (ThumbInsertName){
char ThumbFileName[PATH_MAX+1];
// Make a relative name.
RelativeName(ThumbFileName, ThumbInsertName, FileName);
if (ReplaceThumbnail(ThumbFileName)){
Modified = TRUE;
}
}else if (TrimExif){
// Deleting thumbnail is just replacing it with a null thumbnail.
if (ReplaceThumbnail(NULL)){
Modified = TRUE;
}
}
if (
#ifdef MATTHIAS
AddComment || RemComment ||
#endif
EditComment || CommentInsertfileName || CommentInsertLiteral){
Section_t * CommentSec;
char Comment[MAX_COMMENT_SIZE+1];
int CommentSize;
CommentSec = FindSection(M_COM);
if (CommentSec == NULL){
unsigned char * DummyData;
DummyData = (uchar *) malloc(3);
DummyData[0] = 0;
DummyData[1] = 2;
DummyData[2] = 0;
CommentSec = CreateSection(M_COM, DummyData, 2);
}
CommentSize = CommentSec->Size-2;
if (CommentSize > MAX_COMMENT_SIZE){
fprintf(stderr, "Truncating comment at %d chars\n",MAX_COMMENT_SIZE);
CommentSize = MAX_COMMENT_SIZE;
}
if (CommentInsertfileName){
// Read a new comment section from file.
char CommentFileName[PATH_MAX+1];
FILE * CommentFile;
// Make a relative name.
RelativeName(CommentFileName, CommentInsertfileName, FileName);
CommentFile = fopen(CommentFileName,"r");
if (CommentFile == NULL){
printf("Could not open '%s'\n",CommentFileName);
}else{
// Read it in.
// Replace the section.
CommentSize = fread(Comment, 1, 999, CommentFile);
fclose(CommentFile);
if (CommentSize < 0) CommentSize = 0;
}
}else if (CommentInsertLiteral){
strncpy(Comment, CommentInsertLiteral, MAX_COMMENT_SIZE);
CommentSize = strlen(Comment);
}else{
#ifdef MATTHIAS
char CommentZt[MAX_COMMENT_SIZE+1];
memcpy(CommentZt, (char *)CommentSec->Data+2, CommentSize);
CommentZt[CommentSize] = '\0';
if (ModifyDescriptComment(Comment, CommentZt)){
Modified = TRUE;
CommentSize = strlen(Comment);
}
if (EditComment)
#else
memcpy(Comment, (char *)CommentSec->Data+2, CommentSize);
#endif