gqview.h -> main.h
[geeqie.git] / src / exiv2.cc
index a785d42..3b40488 100644 (file)
@@ -9,6 +9,13 @@
 #include <exiv2/exif.hpp>
 #include <iostream>
 
+// EXIV2_TEST_VERSION is defined in Exiv2 0.15 and newer.
+#ifndef EXIV2_TEST_VERSION
+# define EXIV2_TEST_VERSION(major,minor,patch) \
+       ( EXIV2_VERSION >= EXIV2_MAKE_VERSION(major,minor,patch) )
+#endif
+
+
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <unistd.h>
 #include <exiv2/tiffimage.hpp>
 #include <exiv2/cr2image.hpp>
 #include <exiv2/crwimage.hpp>
+#if EXIV2_TEST_VERSION(0,16,0)
 #include <exiv2/orfimage.hpp>
+#endif
+#if EXIV2_TEST_VERSION(0,13,0)
 #include <exiv2/rafimage.hpp>
+#endif
 #include <exiv2/futils.hpp>
 
 
 
 extern "C" {
 #include <glib.h> 
-#include "gqview.h"
+#include "main.h"
 #include "exif.h"
+#include "filelist.h"
 
 }
 
@@ -40,7 +52,9 @@ struct _ExifData
        Exiv2::Image::AutoPtr sidecar;
        Exiv2::ExifData::const_iterator exifIter; /* for exif_get_next_item */
        Exiv2::IptcData::const_iterator iptcIter; /* for exif_get_next_item */
+#if EXIV2_TEST_VERSION(0,16,0)
        Exiv2::XmpData::const_iterator xmpIter; /* for exif_get_next_item */
+#endif
        bool have_sidecar;
 
 
@@ -50,7 +64,8 @@ struct _ExifData
                image = Exiv2::ImageFactory::open(path);
 //             g_assert (image.get() != 0);
                image->readMetadata();
-               
+
+#if EXIV2_TEST_VERSION(0,16,0)
                printf("xmp count %d\n", image->xmpData().count());
                if (sidecar_path && image->xmpData().empty())
                        {
@@ -60,6 +75,7 @@ struct _ExifData
                        printf("sidecar xmp count %d\n", sidecar->xmpData().count());
                        }
                
+#endif
        }
        
        void writeMetadata()
@@ -78,11 +94,12 @@ struct _ExifData
                return image->iptcData();
        }
 
+#if EXIV2_TEST_VERSION(0,16,0)
        Exiv2::XmpData &xmpData ()
        {
                return have_sidecar ? sidecar->xmpData() : image->xmpData();
        }
-       
+#endif
 
 };
 
@@ -90,7 +107,7 @@ extern "C" {
 
 ExifData *exif_read(gchar *path, gchar *sidecar_path, gint parse_color_profile)
 {
-       printf("exif %s %s\n", path, sidecar_path ? sidecar_path : "-");
+       if (debug) printf("exif read %s,  sidecar: %s\n", path, sidecar_path ? sidecar_path : "-");
        try {
                return new ExifData(path, sidecar_path, parse_color_profile);
        }
@@ -139,10 +156,12 @@ ExifItem *exif_get_item(ExifData *exif, const gchar *key)
                                item = &*pos;
                        }
                        catch (Exiv2::AnyError& e) {
+#if EXIV2_TEST_VERSION(0,16,0)
                                Exiv2::XmpKey ekey(key);
                                Exiv2::XmpData::iterator pos = exif->xmpData().findKey(ekey);
                                if (pos == exif->xmpData().end()) return NULL;
                                item = &*pos;
+#endif
                        }
                }
                return (ExifItem *)item;
@@ -173,11 +192,13 @@ ExifItem *exif_add_item(ExifData *exif, const gchar *key)
                                item = &*pos;
                        }
                        catch (Exiv2::AnyError& e) {
+#if EXIV2_TEST_VERSION(0,16,0)
                                Exiv2::XmpKey ekey(key);
                                exif->xmpData().add(ekey, NULL);
                                Exiv2::XmpData::iterator pos = exif->xmpData().end();
                                pos--;
                                item = &*pos;
+#endif
                        }
                }
                return (ExifItem *)item;
@@ -194,7 +215,9 @@ ExifItem *exif_get_first_item(ExifData *exif)
        try {
                exif->exifIter = exif->exifData().begin();
                exif->iptcIter = exif->iptcData().begin();
+#if EXIV2_TEST_VERSION(0,16,0)
                exif->xmpIter = exif->xmpData().begin();
+#endif
                if (exif->exifIter != exif->exifData().end()) 
                        {
                        const Exiv2::Metadatum *item = &*exif->exifIter;
@@ -207,12 +230,14 @@ ExifItem *exif_get_first_item(ExifData *exif)
                        exif->iptcIter++;
                        return (ExifItem *)item;
                        }
+#if EXIV2_TEST_VERSION(0,16,0)
                if (exif->xmpIter != exif->xmpData().end()) 
                        {
                        const Exiv2::Metadatum *item = &*exif->xmpIter;
                        exif->xmpIter++;
                        return (ExifItem *)item;
                        }
+#endif
                return NULL;
                        
        }
@@ -237,12 +262,14 @@ ExifItem *exif_get_next_item(ExifData *exif)
                        exif->iptcIter++;
                        return (ExifItem *)item;
                }
+#if EXIV2_TEST_VERSION(0,16,0)
                if (exif->xmpIter != exif->xmpData().end())
                        {
                        const Exiv2::Metadatum *item = &*exif->xmpIter;
                        exif->xmpIter++;
                        return (ExifItem *)item;
                }
+#endif
                return NULL;
        }
        catch (Exiv2::AnyError& e) {
@@ -382,7 +409,11 @@ gchar *exif_item_get_string(ExifItem *item, int idx)
        try {
                if (!item) return NULL;
                Exiv2::Metadatum *em = (Exiv2::Metadatum *)item;
+#if EXIV2_TEST_VERSION(0,16,0)
                std::string str = em->toString(idx);
+#else
+               std::string str = em->toString(); // FIXME
+#endif
                if (idx == 0 && str == "") str = em->toString();
                if (str.length() > 5 && str.substr(0, 5) == "lang=") 
                        {
@@ -467,13 +498,14 @@ int exif_item_delete(ExifData *exif, ExifItem *item)
                                return 1;
                        }
                }
+#if EXIV2_TEST_VERSION(0,16,0)
                for (Exiv2::XmpData::iterator i = exif->xmpData().begin(); i != exif->xmpData().end(); ++i) {
                        if (((Exiv2::Metadatum *)item) == &*i) {
                                i = exif->xmpData().erase(i);
                                return 1;
                        }
                }
-               
+#endif         
                return 0;
        }
        catch (Exiv2::AnyError& e) {
@@ -523,21 +555,31 @@ RawFile::RawFile(int fd) : map_data(NULL), map_len(0), offset(0)
                }
        type = Exiv2::ImageFactory::getType(map_data, map_len);
 
-       TiffHeaderBase *tiffHeader;
+#if EXIV2_TEST_VERSION(0,16,0)
+       TiffHeaderBase *tiffHeader = NULL;
+#else
+       TiffHeade2 *tiffHeader = NULL;
+#endif
+       Cr2Header *cr2Header = NULL;
+
        switch (type) {
                case Exiv2::ImageType::tiff:
                        tiffHeader = new TiffHeade2();
                        break;
                case Exiv2::ImageType::cr2:
-                       tiffHeader = new Cr2Header();
+                       cr2Header = new Cr2Header();
                        break;
+#if EXIV2_TEST_VERSION(0,16,0)
                case Exiv2::ImageType::orf:
                        tiffHeader = new OrfHeader();
                        break;
+#endif
+#if EXIV2_TEST_VERSION(0,13,0)
                case Exiv2::ImageType::raf:
                        if (map_len < 84 + 4) throw Error(14);
                        offset = getULong(map_data + 84, bigEndian);
                        return;
+#endif
                case Exiv2::ImageType::crw:
                        {
                        // Parse the image, starting with a CIFF header component
@@ -553,7 +595,6 @@ RawFile::RawFile(int fd) : map_data(NULL), map_len(0), offset(0)
        }
 
        // process tiff-like formats
-       if (!tiffHeader->read(map_data, map_len)) throw Error(3, "TIFF");
 
        TiffCompFactoryFct createFct = TiffCreator::create;
 
@@ -561,10 +602,23 @@ RawFile::RawFile(int fd) : map_data(NULL), map_len(0), offset(0)
        if (0 == rootDir.get()) {
                throw Error(1, "No root element defined in TIFF structure");
        }
-       rootDir->setStart(map_data + tiffHeader->offset());
-
-       TiffRwState::AutoPtr state(
-               new TiffRwState(tiffHeader->byteOrder(), 0, createFct));
+       
+       if (tiffHeader)
+               {
+               if (!tiffHeader->read(map_data, map_len)) throw Error(3, "TIFF");
+#if EXIV2_TEST_VERSION(0,16,0)
+               rootDir->setStart(map_data + tiffHeader->offset());
+#else
+               rootDir->setStart(map_data + tiffHeader->ifdOffset());
+#endif
+               }
+               
+       if (cr2Header)
+               {
+               rootDir->setStart(map_data + cr2Header->offset());
+               }
+       
+       TiffRwState::AutoPtr state(new TiffRwState(tiffHeader ? tiffHeader->byteOrder() : littleEndian, 0, createFct));
 
        TiffReader reader(map_data,
                       map_len,
@@ -573,7 +627,10 @@ RawFile::RawFile(int fd) : map_data(NULL), map_len(0), offset(0)
 
        rootDir->accept(reader);
        
-       delete tiffHeader;
+       if (tiffHeader) 
+               delete tiffHeader;
+       if (cr2Header) 
+               delete cr2Header;
 }
 
 RawFile::~RawFile()
@@ -586,12 +643,14 @@ RawFile::~RawFile()
 
 const Value * RawFile::find(uint16_t tag, uint16_t group)
 {
-       printf("%04x %04x\n", tag, group);
        TiffFinder finder(tag, group);
        rootDir->accept(finder);
        TiffEntryBase* te = dynamic_cast<TiffEntryBase*>(finder.result());
        if (te)
+               {
+               if (debug) printf("(tag: %04x %04x) ", tag, group);
                return te->pValue();
+               }
        else
                return NULL;
 }
@@ -625,8 +684,6 @@ unsigned long RawFile::preview_offset()
 }
 
 
-const static char *raw_ext_list[] = { ".cr2", ".nef", ".pef", ".arw", NULL };
-
 extern "C" gint format_raw_img_exif_offsets_fd(int fd, const gchar *path,
                                    unsigned char *header_data, const guint header_len,
                                    guint *image_offset, guint *exif_offset)
@@ -635,38 +692,20 @@ extern "C" gint format_raw_img_exif_offsets_fd(int fd, const gchar *path,
        unsigned long offset;
 
        /* given image pathname, first do simple (and fast) file extension test */
-/*     if (path)
-               {
-               const gchar *ext;
-               gint match = FALSE;
-               gint i;
-
-               ext = strrchr(path, '.');
-               if (!ext) return FALSE;
-               
-               for (i = 0; raw_ext_list[i]; i++) 
-                       {
-                       if (strcasecmp(raw_ext_list[i], ext) == 0)
-                               {
-                               match = TRUE;
-                               break;
-                               }
-                       }
-
-               if (!match) return FALSE;
+       if (!filter_file_class(path, FORMAT_CLASS_RAWIMAGE)) return 0;
 
-               }
-*/
        try {
                RawFile rf(fd);
+               if (debug) printf("%s: offset ", path);
                offset = rf.preview_offset();
+               if (debug) printf("%d\n", offset);
        }
        catch (Exiv2::AnyError& e) {
                std::cout << "Caught Exiv2 exception '" << e << "'\n";
                return 0;
        }
 
-       if (image_offset)
+       if (image_offset && offset > 0)
                {
                *image_offset = offset;
                if (lseek(fd, *image_offset, SEEK_SET) != *image_offset)