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| author | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2008-02-21 16:38:55 +0000 |
|---|---|---|
| committer | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2008-02-21 16:38:55 +0000 |
| commit | d807fc8d15c9378c726fd6bfc1576734fb5b32c3 (patch) | |
| tree | a9869c167bf61b550175f816df4ef2c1b3946a4b /converter | |
| parent | 2c489b9e301f24c6df9b79946c65a04e0c825e6b (diff) | |
| download | netpbm-mirror-d807fc8d15c9378c726fd6bfc1576734fb5b32c3.tar.gz netpbm-mirror-d807fc8d15c9378c726fd6bfc1576734fb5b32c3.tar.xz netpbm-mirror-d807fc8d15c9378c726fd6bfc1576734fb5b32c3.zip | |
Add Pdirection()
git-svn-id: http://svn.code.sf.net/p/netpbm/code/trunk@586 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Diffstat (limited to 'converter')
| -rw-r--r-- | converter/other/pamtosvg/vector.c | 9 | ||||
| -rw-r--r-- | converter/other/pamtosvg/vector.h | 4 |
2 files changed, 13 insertions, 0 deletions
diff --git a/converter/other/pamtosvg/vector.c b/converter/other/pamtosvg/vector.c index 43e1872e..e25c1068 100644 --- a/converter/other/pamtosvg/vector.c +++ b/converter/other/pamtosvg/vector.c @@ -235,6 +235,15 @@ Psubtract(float_coord const c1, +vector_type +Pdirection(float_coord const final, + float_coord const initial) { + + return normalize(Psubtract(final, initial)); +} + + + /* Operations on integer points. */ vector_type diff --git a/converter/other/pamtosvg/vector.h b/converter/other/pamtosvg/vector.h index b3a5454e..b5c85c38 100644 --- a/converter/other/pamtosvg/vector.h +++ b/converter/other/pamtosvg/vector.h @@ -64,6 +64,10 @@ float_coord Vsubtract_point(float_coord const, vector_type const); +vector_type +Pdirection(float_coord const final, + float_coord const initial); + /* This returns the rounded sum. */ #define IPadd_vector Vadd_int_point |