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Issue 106: Fixed high ISO parsing

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This commit is contained in:
torger
2013-11-02 17:19:56 +01:00
parent 6fabd082d4
commit 680debe6af
1 changed files with 24 additions and 5 deletions
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29
rtexif/canonattribs.cc
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@@ -822,11 +822,30 @@ CAEVInterpreter caEVInterpreter;
class CABaseISOInterpreter : public Interpreter {
public:
virtual std::string toString (Tag* t) {
char buffer[1024];
sprintf (buffer, "%.0f", pow (2, t->toInt()/32.0 - 4) * 50 );
return buffer;
}
virtual std::string toString (Tag* t) {
char buffer[32];
int a = t->toInt();
sprintf (buffer, "%d", a);
return buffer;
}
virtual double toDouble (Tag* t, int ofs){
int a = Interpreter::toInt(t, ofs);
if(a>1) {
double i = pow(2., double(a)/32. - 4.) * 50.;
return i;
}
else
return 0.;
}
virtual int toInt (Tag* t, int ofs, TagType astype){
int a = Interpreter::toInt(t, ofs, astype);
if(a>1) {
int i = int(double(powf(2.f, float(a)/32.f - 4.f)) * 50.f +0.5f);
return i;
}
else
return 0;
}
};
CABaseISOInterpreter caBaseISOInterpreter;