MMVII: Exif: Add a MMVII command to display Exif tags from files

MMVII/include/MMVII_DeclareAllCmd.h

@@ -114,6 +114,8 @@ extern cSpecMMVII_Appli  TheSpec_CERN_ImportClino;
 extern cSpecMMVII_Appli  TheSpec_MMV2_MesIm_2_MMV1;
 
 extern cSpecMMVII_Appli TheSpec_MergeMesImGCP;
+
+extern cSpecMMVII_Appli  TheSpec_ExifData;
 };
 
 #endif  //  _MMVII_DeclareAllCmd_H_

MMVII/src/Appli/cSpecMMVII_Appli.cpp

@@ -260,6 +260,8 @@ std::vector<cSpecMMVII_Appli *> & cSpecMMVII_Appli::InternVecAll()
         TheVecAll.push_back(&TheSpec_MMV2_MesIm_2_MMV1);
 
         TheVecAll.push_back(&TheSpec_MergeMesImGCP);
+
+        TheVecAll.push_back(&TheSpec_ExifData);
         std::sort(TheVecAll.begin(),TheVecAll.end(),CmpCmd);
    }
 

MMVII/src/ImagesBase/AppliExifData.cpp

@@ -0,0 +1,137 @@
+#include "MMVII_ExifData.h"
+#include "cMMVII_Appli.h"
+
+namespace MMVII
+{
+
+class cAppli_ExifData : public cMMVII_Appli
+{
+public :
+    cAppli_ExifData(const std::vector<std::string> & aVArgs,const cSpecMMVII_Appli & aSpec,bool isBasic);
+    int Exe() override;
+    cCollecSpecArg2007 & ArgObl(cCollecSpecArg2007 & anArgObl) override ;
+    cCollecSpecArg2007 & ArgOpt(cCollecSpecArg2007 & anArgOpt) override ;
+
+private :
+    std::string mNameIn;  ///< Input image name
+    int mDisp;
+};
+
+cCollecSpecArg2007 & cAppli_ExifData::ArgObl(cCollecSpecArg2007 & anArgObl)
+{
+    return
+        anArgObl
+        <<   Arg2007(mNameIn,"Name of input file",{{eTA2007::MPatFile,"0"},eTA2007::FileImage})
+        ;
+}
+
+cCollecSpecArg2007 & cAppli_ExifData::ArgOpt(cCollecSpecArg2007 & anArgOpt)
+{
+    return
+        anArgOpt
+        <<   AOpt2007(mDisp,"Disp","0->All known tags , 1->Main tags, 2->Raw strings",{eTA2007::HDV,{eTA2007::Range,"[0,2]"}})
+        ;
+}
+
+
+
+template<typename T>
+std::ostream& operator<<(std::ostream& os, std::optional<T> const& opt)
+{
+    return opt ? os << opt.value() : os << "<NULL>";
+}
+
+
+int cAppli_ExifData::Exe()
+{
+    for (const auto & aName : VectMainSet(0))
+    {
+        std::cout << "####### " << aName <<":" << std::endl;
+        if (mDisp == 2) {
+            auto anExifList = cExifData::StringListFromFile(aName);
+            for (const auto &s : anExifList)
+                std::cout << s << std::endl;
+        }
+
+        if (mDisp == 0 || mDisp == 1) {
+            auto anExif = cExifData::CreateFromFile(aName);
+            std::cout << std::setprecision(17);
+
+#define DISP_EXIF(key) std::cout << #key << ": " << anExif.m##key << std::endl;
+
+            DISP_EXIF(ExifVersion);
+
+            DISP_EXIF(PixelXDimension);
+            DISP_EXIF(PixelYDimension);
+
+            DISP_EXIF(FocalLength_mm);
+            DISP_EXIF(FocalLengthIn35mmFilm_mm);
+            DISP_EXIF(FNumber);
+            DISP_EXIF(ExposureTime_s);
+            DISP_EXIF(Orientation);
+            DISP_EXIF(Make);
+            DISP_EXIF(Model);
+            DISP_EXIF(LensMake);
+            DISP_EXIF(LensModel);
+            if (mDisp == 0) {
+                DISP_EXIF(XResolution);
+                DISP_EXIF(YResolution);
+                DISP_EXIF(ResolutionUnit);
+                DISP_EXIF(FocalPlaneXResolution);
+                DISP_EXIF(FocalPlaneYResolution);
+                DISP_EXIF(FocalPlaneResolutionUnit);
+
+                DISP_EXIF(DateTime);
+                DISP_EXIF(SubSecTime);
+                DISP_EXIF(DateTimeOriginal);
+                DISP_EXIF(SubSecTimeOriginal);
+                DISP_EXIF(DateTimeDigitized);
+                DISP_EXIF(SubSecTimeDigitized);
+
+                DISP_EXIF(DateTimeNumber_s);
+                DISP_EXIF(DateTimeOriginalNumber_s);
+                DISP_EXIF(DateTimeDigitizedNumber_s);
+
+                DISP_EXIF(GPSLongitude_deg);
+                DISP_EXIF(GPSLatitude_deg);
+                DISP_EXIF(GPSAltitude_m);
+
+                DISP_EXIF(GPSDateStamp);
+                DISP_EXIF(GPSTimeStamp);
+                DISP_EXIF(GPSTimeUTC_s);
+                DISP_EXIF(GPSTimeUTC_ns);
+
+                DISP_EXIF(ExifVersion);
+            }
+       }
+        std::cout << std::endl;
+    }
+    return EXIT_SUCCESS;
+}
+
+
+cAppli_ExifData:: cAppli_ExifData(const std::vector<std::string> &  aVArgs,const cSpecMMVII_Appli & aSpec,bool isBasic) :
+    cMMVII_Appli (aVArgs,aSpec),
+    mDisp(0)
+{
+}
+
+
+tMMVII_UnikPApli Alloc_ExifData(const std::vector<std::string> &  aVArgs,const cSpecMMVII_Appli & aSpec)
+{
+    return tMMVII_UnikPApli(new cAppli_ExifData(aVArgs,aSpec,true));
+}
+
+cSpecMMVII_Appli  TheSpec_ExifData
+    (
+        "ExifData",
+        Alloc_ExifData,
+        "Display Exif metadata from image file",
+        {eApF::ImProc},
+        {eApDT::Image},
+        {eApDT::Console},
+        __FILE__
+        );
+
+
+} // namespace MMVII