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| author | Hans Hagen <pragma@wxs.nl> | 2017-09-28 11:20:59 +0200 |
|---|---|---|
| committer | Context Git Mirror Bot <phg42.2a@gmail.com> | 2017-09-28 11:20:59 +0200 |
| commit | 164a98ac4e58ae88de0a83d1eb60583827f4fbab (patch) | |
| tree | a9bb80667dcf2dacc511b7c0dd0439e3ece7c274 /tex/context/base/mkiv/syst-aux.mkiv | |
| parent | e5c13c74b45e08527dda1d1be1788cccd96b6dac (diff) | |
| download | context-164a98ac4e58ae88de0a83d1eb60583827f4fbab.tar.gz | |
2017-09-28 10:13:00
Diffstat (limited to 'tex/context/base/mkiv/syst-aux.mkiv')
| -rw-r--r-- | tex/context/base/mkiv/syst-aux.mkiv | 44 |
1 files changed, 25 insertions, 19 deletions
diff --git a/tex/context/base/mkiv/syst-aux.mkiv b/tex/context/base/mkiv/syst-aux.mkiv index 5fd515da9..dcad3b873 100644 --- a/tex/context/base/mkiv/syst-aux.mkiv +++ b/tex/context/base/mkiv/syst-aux.mkiv @@ -6111,40 +6111,46 @@ %D \macros %D {ScaledPointsToBigPoints,ScaledPointsToWholeBigPoints} %D -%D One characteristic of \POSTSCRIPT\ and \PDF\ is that both -%D used big points (\TEX's bp). The next macros convert points -%D and scaled points into big points. +%D One characteristic of \POSTSCRIPT\ and \PDF\ is that both used big points (\TEX's +%D bp). The next macros convert points and scaled points into big points. The magic +%D factor $72/72.27$ can be found in most \TEX\ related books. %D %D \starttyping %D \ScaledPointsToBigPoints {number} \target %D \ScaledPointsToWholeBigPoints {number} \target %D \stoptyping %D -%D The magic factor $72/72.27$ can be found in most \TEX\ -%D related books. -% \PointsToBigPoints{10.53940pt}\test \test -% \PointsToBigPoints{10.53941pt}\test \test -% \PointsToBigPoints{10.53942pt}\test \test +%D In pure \TEX: -% \PointsToWholeBigPoints{10.53940pt}\test \test -% \PointsToWholeBigPoints{10.53941pt}\test \test -% \PointsToWholeBigPoints{10.53942pt}\test \test +% \unexpanded\def\PointsToBigPoints#1#2% +% {\edef#2{\withoutpt\the\dimexpr.996264\dimexpr#1\relax\relax}} +% +% \unexpanded\def\PointsToWholeBigPoints#1#2% +% {\edef#2{\the\numexpr\dimexpr.996264\dimexpr#1\relax\relax/\maxcard\relax}} +% +% \unexpanded\def\ScaledPointsToBigPoints#1% % #2 +% {\PointsToBigPoints{\number#1\scaledpoint}} % {#2} +% +% \unexpanded\def\ScaledPointsToWholeBigPoints#1% % #2 +% {\PointsToWholeBigPoints{\number#1\scaledpoint}} % {#2} -\unexpanded\def\PointsToBigPoints#1#2% - {\edef#2{\withoutpt\the\dimexpr.996264\dimexpr#1\relax\relax}} +%D This is slower but cleaner and more accurate too. The only place these are still +%D used is in a few backend related macros. -\unexpanded\def\PointsToWholeBigPoints#1#2% - {\edef#2{\the\numexpr\dimexpr.996264\dimexpr#1\relax\relax/\maxcard\relax}} +\let\tobigpoints \clf_tobigpoints +\let\towholebigpoints\clf_towholebigpoints -\unexpanded\def\ScaledPointsToBigPoints #1{\PointsToBigPoints {\number#1\scaledpoint}} -\unexpanded\def\ScaledPointsToWholeBigPoints#1{\PointsToWholeBigPoints{\number#1\scaledpoint}} +\unexpanded\def\PointsToBigPoints #1#2{\edef#2{\tobigpoints #1}} % can be avoided +\unexpanded\def\PointsToWholeBigPoints #1#2{\edef#2{\towholebigpoints#1}} % can be avoided +\unexpanded\def\ScaledPointsToBigPoints #1#2{\edef#2{\tobigpoints #1\scaledpoint}} % obsolete +\unexpanded\def\ScaledPointsToWholeBigPoints#1#2{\edef#2{\towholebigpoints#1\scaledpoint}} % obsolete %D \macros %D {PointsToReal} %D -%D Points can be stripped from their suffix by using -%D \type{\withoutpt}. The next macro enveloppes this macro. +%D Points can be stripped from their suffix by using \type {\withoutpt}. The next +%D macro enveloppes this macro. %D %D \starttyping %D \PointsToReal {dimension} \target |