public bool SaveOri()
{
try
{
string mess1 = "";
if (_oriCurrent == -100){
mess1 = T._("This file has no Exif orientation.");
MessageBox.Show(mess1, T._("Save not possible"), MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return false;
}
if (_oriCurrent == _oriInitial){
mess1 = T._("Orientation not changed");
MessageBox.Show(mess1, T._("Save not possible"), MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return false;
}
byte oriByte;
switch(_oriCurrent)
{
case 1: oriByte = 6; // 90 l
break;
case 2: oriByte = 3; // 180
break;
case 3: oriByte = 8; // 270
break;
default: oriByte = 1; // 0
break;
}
ushort ori = 0;
using (var reader = new ExifReader(_currentPath))
{
if (reader.GetTagValue(ExifTags.Orientation, out ori)) {
reader.SaveOrient(oriByte);
}
}
// set original date after update
DateTime dtOriginal = DateTime.MinValue;
ExifRead.ExifODate(out dtOriginal, _currentPath);
System.IO.File.SetLastWriteTime(_currentPath, dtOriginal);
//Debug.WriteLine("Orient ini: {0}, current {1}, byte {2} ", _oriInitial, _oriCurrent, ori);
return true;
}
catch (Exception e)
{
MessageBox.Show(T._("Error for update") + "\n" + e.Message, T._("Error"), MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return false;
}
}
//------------------------------ bar functions ----------------------------------------------------------
public void ScanImagesBar( )
{
List<ImgFile> imList;
_il.ImgListOut(out imList);
DateTime dtOriginal = DateTime.MinValue;
foreach (ImgFile imf in imList)
{
string picPath = imf.fName;
DateTime dtCreation = File.GetCreationTime(picPath);
DateTime dtChanged = File.GetLastWriteTime(picPath);
DateTime dtFile;
if (dtCreation < dtChanged){
dtFile = dtCreation;
}
else {
dtFile = dtChanged;
}
imf.fDate = dtFile;
ExifRead.ExifODate(out dtOriginal, picPath);
imf.fDateOriginal = dtOriginal;
}
}
public void CalcBar( )
{
List<ImgFile> imList;
_il.ImgListOut(out imList);
DateTime dtOriginal = DateTime.MinValue;
DateTime nullDate = DateTime.MinValue;
DateTime minDate = DateTime.MaxValue;
DateTime maxDate = DateTime.MinValue;
int fCount = 0;
int fCountExif = -1;
int dateCount = 0;
DateTime priorDate = DateTime.MinValue;
var spanDict = new Dictionary<int, int>();
_posList.Clear();
_priorList.Clear();
_rangeDict.Clear();
// dict for time gaps
foreach (ImgFile imf in imList)
{
string picPath = imf.fName;
dtOriginal = imf.fDateOriginal;
fCount++;
string fName = Path.GetFileName(picPath);
int pPos = fName.IndexOf("+");
if (pPos > -1){
_posList.Add(fCount);
}
if (dtOriginal != nullDate){
//Debug.WriteLine("path: " + picPath + " " + dtOriginal.ToString());
fCountExif = fCount;
dateCount++;
imf.fDateOriginal = dtOriginal;
if (priorDate > dtOriginal){
//Debug.WriteLine("prior date: " + fCount);
_priorList.Add(fCount);
}
if (minDate > dtOriginal) minDate = dtOriginal;
if (maxDate < dtOriginal) maxDate = dtOriginal;
if (dateCount > 1){
TimeSpan span = dtOriginal.Subtract(priorDate);
int spanSec = Math.Abs((int) span.TotalSeconds);
spanDict.Add(fCount, spanSec);
}
priorDate = dtOriginal;
}
else { // no exif date
if (fCountExif == fCount - 1){ // gap to exif date
spanDict.Add(fCount, Int32.MaxValue);
}
}
}
// span values
if (dateCount > 0){
TimeSpan imgSpan = maxDate.Subtract(minDate);
//Debug.WriteLine("min: " + minDate.ToString() + " max: " + maxDate.ToString());
//Debug.WriteLine("range: " + imgSpan.ToString());
int mean = (int) imgSpan.TotalSeconds / dateCount;
long sumVar = 0;
foreach (KeyValuePair<int, int> sd in spanDict)
{
if (sd.Value != Int32.MaxValue){
long var = (long) Math.Pow((mean - sd.Value), 2);
sumVar += var;
//Debug.WriteLine("F Num: " + dfn.Key + " " + dfn.Value);
}
}
int stdDev = (int) Math.Sqrt(sumVar / dateCount);
//Debug.WriteLine("mean / std: {0}/{1}", mean, stdDev);
int breakVal = mean + stdDev * 2;
//int wi = 2;
if (imgSpan.TotalDays > 730){
_rangeType = 1; // years
}
else if (imgSpan.TotalDays > 60){
_rangeType = 2; // months
}
else if (imgSpan.TotalDays > 1){
_rangeType = 3; // days
}
else {
_rangeType = 4; // hours
}
int i = 0;
// largest breaks
string p0Path = "";
if (_il.DirPathPos(ref p0Path, 1)){
ExifRead.ExifODate(out _r0Date, p0Path);
}
foreach (KeyValuePair<int, int> sd in spanDict.OrderByDescending(key=> key.Value))
{
i++;
//Debug.WriteLine("pic no / dist: {0}/{1}", sd.Key, sd.Value);
if (sd.Value < breakVal) break;
string piPath = "";
DateTime dOriginal = nullDate;
if (_il.DirPathPos(ref piPath, sd.Key)){
ExifRead.ExifODate(out dOriginal, piPath);
}
_rangeDict.Add(sd.Key, dOriginal);
}
}
}
