From 40e5474605a264df191cc78459df32c840fe83d0 Mon Sep 17 00:00:00 2001 From: Khaled Hosny Date: Tue, 29 Dec 2009 18:50:02 +0200 Subject: Add support for font slanting/extending --- luaotfload.dtx | 56 +++++++++++++++++++++++++++++++++++++++++++++++++++----- 1 file changed, 51 insertions(+), 5 deletions(-) diff --git a/luaotfload.dtx b/luaotfload.dtx index 57c2821..93f3fb1 100644 --- a/luaotfload.dtx +++ b/luaotfload.dtx @@ -34,7 +34,7 @@ \input docstrip.tex \Msg{************************************************************************} \Msg{* Installation} -\Msg{* Package: luaotfload 2009/12/01 v1.06 ConTeXt font loading system} +\Msg{* Package: luaotfload 2009/12/29 v1.07 ConTeXt font loading system} \Msg{************************************************************************} \keepsilent @@ -100,7 +100,7 @@ and the derived files %<*driver> \NeedsTeXFormat{LaTeX2e} \ProvidesFile{luaotfload.drv}% - [2009/12/01 v1.06 ConTeXt font loading system]% + [2009/12/29 v1.07 ConTeXt font loading system]% \documentclass{ltxdoc} \usepackage{metalogo} \usepackage[colorlinks=true]{hyperref} @@ -133,7 +133,7 @@ and the derived files % \GetFileInfo{luaotfload.drv} % % \title{The \textsf{luaotfload} package} -% \date{2009/12/01 v1.06} +% \date{2009/12/29 v1.07} % \author{Elie Roux \\ \texttt{elie.roux@telecom-bretagne.eu}} % % \maketitle @@ -299,7 +299,7 @@ luaotfload = { } luaotfload.module = { name = "luaotfload", version = 1.06, - date = "2009/12/01", + date = "2009/12/29", description = "ConTeXt font loading system.", author = "Elie Roux & Hans Hagen", copyright = "Elie Roux", @@ -533,6 +533,52 @@ luaotfload.loadmodule('font-xtx.lua') luaotfload.loadmodule('font-map.lua') luaotfload.loadmodule('font-dum.lua') +% \end{macrocode} +% +% Support for font slanting and extending. +% +% \begin{macrocode} + +fonts.triggers = fonts.triggers or { } +fonts.initializers = fonts.initializers or { } +fonts.initializers.common = fonts.initializers.common or { } + +local initializers = fonts.initializers + +table.insert(fonts.triggers,"slant") + +function fonts.initializers.common.slant(tfmdata,value) + value = tonumber(value) + if not value then + value = 0 + elseif value > 1 then + value = 1 + elseif value < -1 then + value = -1 + end + tfmdata.slant_factor = value +end + +initializers.base.otf.slant = initializers.common.slant +initializers.node.otf.slant = initializers.common.slant + +table.insert(fonts.triggers,"extend") + +function initializers.common.extend(tfmdata,value) + value = tonumber(value) + if not value then + value = 0 + elseif value > 10 then + value = 10 + elseif value < -10 then + value = -10 + end + tfmdata.extend_factor = value +end + +initializers.base.otf.extend = initializers.common.extend +initializers.node.otf.extend = initializers.common.extend + % \end{macrocode} % % This is a small patch that prevents errors in some \LaTeX\ files. @@ -598,7 +644,7 @@ end \else \NeedsTeXFormat{LaTeX2e} \ProvidesPackage{luaotfload}% - [2009/12/01 v1.06 ConTeXt font loading system] + [2009/12/29 v1.07 ConTeXt font loading system] \RequirePackage{luatextra} \fi -- cgit v1.2.3