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Linker error IntLensInterpreter<int>

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This commit is contained in:
ffsup2 2010-05-31 22:28:13 +02:00
parent 37a5afb870
commit 2e910a1a48
2 changed files with 71 additions and 77 deletions
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74
rtexif/rtexif.cc
View File

@ -1541,9 +1541,6 @@ int getTypeSize( TagType type ){
return ("11124811248484"[type<14?type:0]-'0');
}
#undef ABS
#define ABS(a) (((a) < 0) ? -(a) : (a))
/* Function to parse and extract focal length and aperture information from description
* @fullname must conform to the following formats
* <focal>mm f/<aperture>
@ -1592,75 +1589,4 @@ bool extractLensInfo(std::string &fullname,double &minFocal, double &maxFocal, d
return false;
}
template<class T>
std::string IntLensInterpreter< T >::guess( const T lensID, double focalLength, double maxApertureAtFocal )
{
it_t r;
size_t nFound = choices.count( lensID );
switch( nFound )
{
case 0: // lens Unknown
{
std::ostringstream s;
s << lensID;
return s.str();
}
case 1: // lens found
r = choices.find ( lensID );
return r->second;
default:
// More than one hit: we must guess
break;
}
double deltaMin = 1000.;
/* Choose the best match: thanks to exiftool by Phil Harvey
* first throws for "out of focal range" and lower or upper aperture of the lens compared to MaxApertureAtFocal
* if the lens is not constant aperture, calculate aprox. aperture of the lens at focalLength
* and compare with actual aperture.
*/
std::string bestMatch("Unknown");
std::ostringstream candidates;
for ( r = choices.lower_bound( lensID ); r != choices.upper_bound(lensID); r++ ){
double a1,a2,f1,f2,lensAperture,dif;
if( !extractLensInfo( r->second ,f1,f2,a1,a2) )
continue;
if( f1 == 0. || a1 == 0.)
continue;
if( focalLength < f1 - .5 || focalLength > f2 + 0.5 )
continue;
if( maxApertureAtFocal > 0.1){
if( maxApertureAtFocal < a1 - 0.15 || maxApertureAtFocal > a2 +0.15)
continue;
if( a1 == a2 || f1 == f2)
lensAperture = a1;
else
lensAperture = exp( log(a1)+(log(a2)-log(a1))/(log(f2)-log(f1))*(log(focalLength)-log(f1)) );
dif = ABS(lensAperture - maxApertureAtFocal);
}else
dif = 0;
if( dif < deltaMin ){
deltaMin = dif;
bestMatch = r->second;
}
if( dif < 0.15){
if( candidates.tellp() )
candidates << "\n or " << r->second;
else
candidates << r->second;
}
}
if( !candidates.tellp() )
return bestMatch;
else
return candidates.str();
}
}

74
rtexif/rtexif.h
View File

@ -25,6 +25,7 @@
#include <string>
#include <sstream>
#include <stdlib.h>
#include <math.h>
namespace rtexif {
@ -247,7 +248,6 @@ class ChoiceInterpreter : public Interpreter {
}
};
template< class T >
class IntLensInterpreter : public Interpreter {
protected:
@ -256,10 +256,78 @@ protected:
typedef std::pair< T, std::string> p_t;
container_t choices;
virtual std::string guess(const T lensID, double focalLength, double maxApertureAtFocal );
virtual std::string guess(const T lensID, double focalLength, double maxApertureAtFocal )
{
it_t r;
size_t nFound = choices.count( lensID );
switch( nFound )
{
case 0: // lens Unknown
{
std::ostringstream s;
s << lensID;
return s.str();
}
case 1: // lens found
r = choices.find ( lensID );
return r->second;
default:
// More than one hit: we must guess
break;
}
double deltaMin = 1000.;
/* Choose the best match: thanks to exiftool by Phil Harvey
* first throws for "out of focal range" and lower or upper aperture of the lens compared to MaxApertureAtFocal
* if the lens is not constant aperture, calculate aprox. aperture of the lens at focalLength
* and compare with actual aperture.
*/
std::string bestMatch("Unknown");
std::ostringstream candidates;
for ( r = choices.lower_bound( lensID ); r != choices.upper_bound(lensID); r++ ){
double a1,a2,f1,f2,lensAperture,dif;
if( !extractLensInfo( r->second ,f1,f2,a1,a2) )
continue;
if( f1 == 0. || a1 == 0.)
continue;
if( focalLength < f1 - .5 || focalLength > f2 + 0.5 )
continue;
if( maxApertureAtFocal > 0.1){
if( maxApertureAtFocal < a1 - 0.15 || maxApertureAtFocal > a2 +0.15)
continue;
if( a1 == a2 || f1 == f2)
lensAperture = a1;
else
lensAperture = exp( log(a1)+(log(a2)-log(a1))/(log(f2)-log(f1))*(log(focalLength)-log(f1)) );
dif = abs(lensAperture - maxApertureAtFocal);
}else
dif = 0;
if( dif < deltaMin ){
deltaMin = dif;
bestMatch = r->second;
}
if( dif < 0.15){
if( candidates.tellp() )
candidates << "\n or " << r->second;
else
candidates << r->second;
}
}
if( !candidates.tellp() )
return bestMatch;
else
return candidates.str();
}
};
template class IntLensInterpreter< int >;
inline int getTypeSize( TagType type );
inline unsigned short sget2 (unsigned char *s, ByteOrder order);
inline int sget4 (unsigned char *s, ByteOrder order);