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PDF::Builder::Resource::XObject::Image::TIFF(3) User Contributed Perl Documentation PDF::Builder::Resource::XObject::Image::TIFF(3)

PDF::Builder::Resource::XObject::Image::TIFF - TIFF image support

$res = PDF::Builder::Resource::XObject::Image::TIFF->new($pdf, $file, $name)
$res = PDF::Builder::Resource::XObject::Image::TIFF->new($pdf, $file)
Returns a TIFF-image object.

If the Graphics::TIFF package is installed, the TIFF_GT library will be used instead of the TIFF library. In such a case, use of the TIFF library may be forced via the "-nouseGT" flag (see Builder documentation for "image_tiff()").

$mode = $tif->usesLib()
Returns 1 if Graphics::TIFF installed and used, 0 if not installed, or -1 if installed but not used (-nouseGT option given to "image_tiff").

Caution: this method can only be used after the image object has been created. It can't tell you whether Graphics::TIFF is available in advance of actually using it, in case you want to use some functionality available only in TIFF_GT. See the <PDF::Builder> LA_GT() call if you need to know in advance.

$value = $tif->tiffTag($tag)
returns the value of the internal tiff-tag.

Useful Tags:

    imageDescription, imageId (strings)
    xRes, yRes (dpi; pixel/cm if resUnit==3)
    resUnit
    
2021-07-16 perl v5.32.1

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