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more testing

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This commit is contained in:
Andreas Huggel 2004-02-06 12:13:51 +00:00
parent f3a3e32ac2
commit 2cd2aea1e6
1 changed files with 77 additions and 24 deletions
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101
src/exiftest.cpp
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@ -3,11 +3,11 @@
Abstract : This is playground code, do what you want with it.
Author(s): Andreas Huggel (ahu) <ahuggel@gmx.net>
Version : $Name: $ $Revision: 1.13 $
Version : $Name: $ $Revision: 1.14 $
*/
// *****************************************************************************
#include "rcsid.hpp"
EXIV2_RCSID("@(#) $Name: $ $Revision: 1.13 $ $RCSfile: exiftest.cpp,v $")
EXIV2_RCSID("@(#) $Name: $ $Revision: 1.14 $ $RCSfile: exiftest.cpp,v $")
// *****************************************************************************
// included header files
@ -22,6 +22,8 @@ EXIV2_RCSID("@(#) $Name: $ $Revision: 1.13 $ $RCSfile: exiftest.cpp,v $")
using namespace Exif;
void exifPrint(const ExifData& exifData);
std::string readError(int rc, const char* file);
std::string writeError(int rc, const char* file);
// *****************************************************************************
// Main
@ -36,34 +38,20 @@ try {
ExifData exifData;
int rc = exifData.read(argv[1]);
if (rc) {
std::string error = "Reading Exif data failed: ";
switch (rc) {
case -1:
error += "Couldn't open file `" + std::string(argv[1]) + "'";
break;
case 1:
error += "Couldn't read from the input stream";
break;
case 2:
error += "This does not look like a JPEG image";
break;
case 3:
case 4:
error += "No Exif data found in the file";
break;
case -99:
error += "Unsupported Exif or GPS data found in IFD 1";
break;
default:
error += "rc = " + toString(rc);
break;
}
std::string error = readError(rc, argv[1]);
throw Error(error);
}
exifPrint(exifData);
exifData.writeThumbnail("thumb");
std::string key = "Image.OtherTags.Copyright";
Value* value = Value::create(asciiString);
value->read("Chan Yee Send");
exifData.add(key, value);
delete value;
char* buf = new char[1024*128];
long siz = exifData.copy(buf);
@ -76,6 +64,13 @@ try {
exifPrint(e2);
e2.writeThumbnail("t2");
// Assumes that such a file exists...
rc = e2.write("test.jpg");
if (rc) {
std::string error = writeError(rc, "test.jpg");
throw Error(error);
}
return rc;
}
catch (Error& e) {
@ -111,3 +106,61 @@ void exifPrint(const ExifData& exifData)
<< "\n";
}
}
std::string readError(int rc, const char* file)
{
std::string error;
switch (rc) {
case -1:
error = "Couldn't open file `" + std::string(file) + "'";
break;
case 1:
error = "Couldn't read from the input stream";
break;
case 2:
error = "This does not look like a JPEG image";
break;
case 3:
error = "No Exif data found in the file";
break;
case -99:
error = "Unsupported Exif or GPS data found in IFD 1";
break;
default:
error = "Reading Exif data failed, rc = " + toString(rc);
break;
}
return error;
}
std::string writeError(int rc, const char* file)
{
std::string error;
switch (rc) {
case -1:
error = "Couldn't open file `" + std::string(file) + "'";
break;
case -2:
error = "Couldn't open temporary file";
break;
case -3:
error = "Renaming temporary file failed";
break;
case 1:
error = "Couldn't read from the input stream";
break;
case 2:
error = "This does not look like a JPEG image";
break;
case 3:
error = "No JFIF APP0 or Exif APP1 segment found in the file";
break;
case 4:
error = "Writing to the output stream failed";
break;
default:
error = "Reading Exif data failed, rc = " + toString(rc);
break;
}
return error;
}