Silence is gold, talking is silver.
— Finnish saying
PDF::Builder::Resource::XObject::Image::TIFF - TIFF image support
Inherits from PDF::Builder::Resource::XObject::Image
$res = PDF::Builder::Resource::XObject::Image::TIFF->new($pdf, $file, %opts)
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 thenouseGT
flag (see Builder documentation forimage_tiff()
).
Options:
This is the name you can give for the TIFF image object. The default is Ixnnnn.
Remember that you need to use the Builder.pm method image_tiff in order to display a TIFF file.
$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
Master Index
PDF::Builder -- Facilitates the creation and modification of PDF files
PDF::Builder::Resource -- Base class for PDF resources
PDF::Builder::Resource::XObject -- Base class for external objects
PDF::Builder::Resource::XObject::Image -- Base class for external raster image objects
PDF::Builder::Resource::XObject::Image::GD -- Support routines for Graphics Development image library
PDF::Builder::Resource::XObject::Image::GIF -- Support routines for GIF image library
PDF::Builder::Resource::XObject::Image::JPEG -- Support routines for JPEG image library
PDF::Builder::Resource::XObject::Image::PNG -- Support routines for PNG image library (using pure Perl code)
PDF::Builder::Resource::XObject::Image::PNG_IPL -- Support routines for PNG image library (using Image::PNG::Libpng)
PDF::Builder::Resource::XObject::Image::PNM -- Support routines for PNM (Portable aNy Map) image library
PDF::Builder::Resource::XObject::Image::TIFF_GT -- TIFF image support (Graphics::TIFF enabled)
PDF::Builder::Resource::XObject::Image::TIFF::File -- Support routines for TIFF image library
PDF::Builder::Resource::XObject::Image::TIFF::File_GT -- Support routines for TIFF image library (Graphics::TIFF enabled)
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Last updated Sat, 09 Dec 2023 at 10:59 PM