diff options
author | Norbert Preining <norbert@preining.info> | 2020-03-04 03:02:32 +0000 |
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committer | Norbert Preining <norbert@preining.info> | 2020-03-04 03:02:32 +0000 |
commit | 19d25b8009801aa98ea2f46b45c37c257f990491 (patch) | |
tree | c0da70fbab26feff40e87df289ae797917df8419 /graphics/asymptote/base/palette.asy | |
parent | b78f5a6705512314d6fe42fd5144c5f8e5d484ce (diff) |
CTAN sync 202003040302
Diffstat (limited to 'graphics/asymptote/base/palette.asy')
-rw-r--r-- | graphics/asymptote/base/palette.asy | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/graphics/asymptote/base/palette.asy b/graphics/asymptote/base/palette.asy index 2cb6e7c547..e77fa946e6 100644 --- a/graphics/asymptote/base/palette.asy +++ b/graphics/asymptote/base/palette.asy @@ -358,10 +358,10 @@ pen[] Wheel(int NColors=32766) if(settings.gray) return Grayscale(NColors); int nintervals=6; + if(NColors <= nintervals) NColors=nintervals+1; int n=-quotient(NColors,-nintervals); pen[] Palette; - if(n == 0) return Palette; Palette=new pen[n*nintervals]; real ninv=1.0/n; @@ -386,10 +386,10 @@ pen[] Rainbow(int NColors=32766) int offset=1; int nintervals=5; + if(NColors <= nintervals) NColors=nintervals+1; int n=-quotient(NColors-1,-nintervals); pen[] Palette; - if(n == 0) return Palette; Palette=new pen[n*nintervals+offset]; real ninv=1.0/n; @@ -418,12 +418,13 @@ private pen[] BWRainbow(int NColors, bool two) if(two) nintervals += 6; + int Nintervals=nintervals*divisor; + if(NColors <= Nintervals) NColors=Nintervals+1; int num=NColors-offset; - int n=-quotient(num,-nintervals*divisor)*divisor; + int n=-quotient(num,-Nintervals)*divisor; NColors=n*nintervals+offset; pen[] Palette; - if(n == 0) return Palette; Palette=new pen[NColors]; real ninv=1.0/n; |