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Diffstat (limited to 'doc/expert/pre_scal')
| -rw-r--r-- | doc/expert/pre_scal | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/doc/expert/pre_scal b/doc/expert/pre_scal new file mode 100644 index 0000000..1e1b1a3 --- /dev/null +++ b/doc/expert/pre_scal @@ -0,0 +1,26 @@ +@Section + @Title { "@Scale" } + @Tag { scale } +@Begin +@PP +scale. @Index { @@Scale symbol } +This symbol geometrically scales its right parameter by the scale factor +given in its left parameter: +@ID @Code "1.0 @Scale Hello 2.0 @Scale Hello 0.5 @Scale Hello" +has result +@ID { 1.0 @Scale Hello 2.0 @Scale Hello 0.5 @Scale Hello } +The left parameter can be two scale factors, in which case the first +applies horizontally, and the second vertically: +@ID @Code "{0.5 2.0} @Scale Hello" +has result +@ID { {0.5 2.0} @Scale Hello } +The left parameter may be empty, in which case Lout will scale the +object by a common factor horizontally and vertically so as to occupy +all available horizontal space: +@ID @Code "{} @Scale { Hello world }" +has result +@LD {} @Scale { Hello world } +The right parameter may be any object. @@Scale has both a @@OneCol and +a @@OneRow effect, and the marks of the result coincide with the principal +marks of the right parameter. +@End @Section |