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Test all Canon lenses #1428

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Test all Canon lenses #1428

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e0b2022
Fix rounding error in fnumber calculation
webmeister Dec 9, 2020
b6d0001
Fix misdetection of Tamron SP AF 300mm as Canon EF 75-300mm
webmeister Dec 9, 2020
f5e3712
Improve detection of Canon lenses with TC
webmeister Sep 19, 2018
6a49e47
Clean up Canon lens list
webmeister Dec 9, 2020
8465a9f
Remove undetectable lenses
webmeister Dec 9, 2020
aa4bbf1
Execute test commands always with shell
webmeister Dec 9, 2020
d3075af
Add test for all known Canon lenses
webmeister Dec 9, 2020
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124 changes: 61 additions & 63 deletions src/canonmn_int.cpp
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6 changes: 5 additions & 1 deletion src/tags_int.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2204,7 +2204,11 @@ namespace Exiv2 {

float fnumber(float apertureValue)
{
return std::exp(std::log(2.0F) * apertureValue / 2.F);
float result = std::exp(std::log(2.0F) * apertureValue / 2.F);
if (std::abs(result - 3.5) < 0.1) {
result = 3.5;
}
return result;
}

URational exposureTime(float shutterSpeedValue)
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10 changes: 5 additions & 5 deletions test/data/exiv2-test.out
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Original file line number Diff line number Diff line change
Expand Up @@ -1077,7 +1077,7 @@ File 6/15: 20030925_201850.jpg
20030925_201850.jpg Exif.CanonCs.0x0015 Short 1 32767
20030925_201850.jpg Exif.CanonCs.LensType Short 1 n/a
20030925_201850.jpg Exif.CanonCs.Lens Short 3 18.0 - 55.0 mm
20030925_201850.jpg Exif.CanonCs.MaxAperture Short 1 F3.6
20030925_201850.jpg Exif.CanonCs.MaxAperture Short 1 F3.5
20030925_201850.jpg Exif.CanonCs.MinAperture Short 1 F22
20030925_201850.jpg Exif.CanonCs.FlashActivity Short 1 Did not fire
20030925_201850.jpg Exif.CanonCs.FlashDetails Short 1
Expand Down Expand Up @@ -2690,7 +2690,7 @@ Compare image data and extracted data ------------------------------------
< 20030925_201850.jpg Exif.CanonCs.0x0015 Short 1 32767
< 20030925_201850.jpg Exif.CanonCs.LensType Short 1 n/a
< 20030925_201850.jpg Exif.CanonCs.Lens Short 3 18.0 - 55.0 mm
< 20030925_201850.jpg Exif.CanonCs.MaxAperture Short 1 F3.6
< 20030925_201850.jpg Exif.CanonCs.MaxAperture Short 1 F3.5
< 20030925_201850.jpg Exif.CanonCs.MinAperture Short 1 F22
< 20030925_201850.jpg Exif.CanonCs.FlashActivity Short 1 Did not fire
< 20030925_201850.jpg Exif.CanonCs.FlashDetails Short 1
Expand Down Expand Up @@ -4231,7 +4231,7 @@ Compare image data and extracted data ------------------------------------
> 20030925_201850.exv Exif.CanonCs.0x0015 Short 1 32767
> 20030925_201850.exv Exif.CanonCs.LensType Short 1 n/a
> 20030925_201850.exv Exif.CanonCs.Lens Short 3 18.0 - 55.0 mm
> 20030925_201850.exv Exif.CanonCs.MaxAperture Short 1 F3.6
> 20030925_201850.exv Exif.CanonCs.MaxAperture Short 1 F3.5
> 20030925_201850.exv Exif.CanonCs.MinAperture Short 1 F22
> 20030925_201850.exv Exif.CanonCs.FlashActivity Short 1 Did not fire
> 20030925_201850.exv Exif.CanonCs.FlashDetails Short 1
Expand Down Expand Up @@ -5992,7 +5992,7 @@ Compare original and inserted image data ---------------------------------
< 20030925_201850.jpg Exif.CanonCs.0x0015 Short 1 32767
< 20030925_201850.jpg Exif.CanonCs.LensType Short 1 n/a
< 20030925_201850.jpg Exif.CanonCs.Lens Short 3 18.0 - 55.0 mm
< 20030925_201850.jpg Exif.CanonCs.MaxAperture Short 1 F3.6
< 20030925_201850.jpg Exif.CanonCs.MaxAperture Short 1 F3.5
< 20030925_201850.jpg Exif.CanonCs.MinAperture Short 1 F22
< 20030925_201850.jpg Exif.CanonCs.FlashActivity Short 1 Did not fire
< 20030925_201850.jpg Exif.CanonCs.FlashDetails Short 1
Expand Down Expand Up @@ -7533,7 +7533,7 @@ Compare original and inserted image data ---------------------------------
> 20030925_201850.exv Exif.CanonCs.0x0015 Short 1 32767
> 20030925_201850.exv Exif.CanonCs.LensType Short 1 n/a
> 20030925_201850.exv Exif.CanonCs.Lens Short 3 18.0 - 55.0 mm
> 20030925_201850.exv Exif.CanonCs.MaxAperture Short 1 F3.6
> 20030925_201850.exv Exif.CanonCs.MaxAperture Short 1 F3.5
> 20030925_201850.exv Exif.CanonCs.MinAperture Short 1 F22
> 20030925_201850.exv Exif.CanonCs.FlashActivity Short 1 Did not fire
> 20030925_201850.exv Exif.CanonCs.FlashDetails Short 1
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