PxPGFtate – Support for PGF/TikZ in the vertical (tate) direction of (u)pLaTeX

In the vertical (tate) direction of pTeX and upTeX, the DVI drivers place the characters rotated, but PGF draws its pictures in the unrotated page coordinate system. Pictures in tate text therefore come out sideways, and shadings, patterns or fadings stop pLaTeX with Incompatible direction list can't be unboxed.

This package makes a picture that begins in the tate direction behave like the surrounding text: its x-axis points in the direction of the line and its y-axis to the right, and node text is typeset in the tate direction. Paths, nodes, transformations, shadings, patterns, fadings, transparency groups, remember picture, the current page node and tcolorbox are supported. The package patches the driver macros of PGF (2.10 or later) instead of replacing PGF's files, and does nothing when the loaded PGF supports the tate direction itself.

Supported formats/engines: pLaTeX, upLaTeX (with dvipdfmx or dvips), TeX Live 2012 or later.

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