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Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" Imager::LargeSamples \- track/document large sample support .SH "SYNOPSIS" .IX Header "SYNOPSIS" .Vb 2 \& # make a large sample image \& my $im = Imager\->new(..., bits => 16); \& \& # call some method \& my $result = $im\->$method(...); \& \& # was the image modified at its full sample size .Ve .SH "DESCRIPTION" .IX Header "DESCRIPTION" Imager has had in-memory support for large samples for years now, but many methods still don't work at the higher sample size when supplied with a large sample image. .PP This document will track which methods support large samples and which don't, for future improvements. .SH "Support by method" .IX Header "Support by method" .Vb 10 \& Method Support Notes \& \-\-\-\-\-\- \-\-\-\-\-\-\- \-\-\-\-\- \& arc Partial [1] \& box Partial [2] \& circle Partial [1] \& convert Full \& copy Full \& crop Full \& difference Full \& filter Partial Depends on the filter. \& flip Full \& flood_fill Partial [1] \& getpixel Full \& getsamples Full \& getscanline Full \& map None \& masked Full \& matrix_transform \& Full \& paste Full \& polygon Partial [1] \& polyline None \& read Partial See L \& read_multi Partial See L \& rotate Full \& rubthrough Full \& scale Partial Some qtypes support large samples \& scaleX None \& scaleY None \& setpixel Full \& setscanline Full \& string Full Preserves large samples, but most font drivers \& generate 8 or fewer bits of levels of coverage. \& transform None \& transform2 None \& write Partial See L \& write_multi Partial See L .Ve .PP [1] filling an area using the fill parameter works at the full depth of the image, using filled => 1 and color works at 8\-bits/sample .PP [2] \fIbox()\fR will fill the area at the supplied color, but outline at 8\-bits/sample. .SH "File format large sample support" .IX Header "File format large sample support" .Vb 10 \& Format Format samples Imager support \& \-\-\-\-\-\- \-\-\-\-\-\-\-\-\-\-\-\-\-\- \-\-\-\-\-\-\-\-\-\-\-\-\-\- \& BMP 8 8 \& GIF 8 8 \& ICO 8 8 \& JPEG 8, 12 8 \& PBM 1 1 \& PGM/PPM 1\-16 read any, writes 8, 16 \& PNG 1, 2, 4, 8, 16 8 \& RAW 8 \& SGI 8, 16 8, 16 \& TGA 8 8 \& TIFF (many) read/write 8, 16, 32 contig rgb/grey images \& read/write bi\-level \& read/write 4/8 paletted images .Ve .SH "Filter larger sample support" .IX Header "Filter larger sample support" .Vb 10 \& Filter Large sample support \& \-\-\-\-\-\- \-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\- \& autolevels No \& bumpmap No \& bumpmap_complex No \& contrast No \& conv Yes \& fountain Yes \& gaussian Yes \& gradgen No \& hardinvert Yes \& mosaic No \& postlevels No \& radnoise No \& turbnoise No \& unsharpmask Yes \& watermark No .Ve .SH "AUTHOR" .IX Header "AUTHOR" Tony Cook