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| author | Ted Gould <ted@gould.cx> | 2008-10-11 15:16:23 +0000 |
|---|---|---|
| committer | Ted Gould <ted@canonical.com> | 2008-10-11 15:16:23 +0000 |
| commit | 2f5eb047d9e05be5e68549ef6b75070d2faa7d2f (patch) | |
| tree | ca2e94164b6d7aaebfc17196ca46bfc825a7665a /src/helper/geom.cpp | |
| parent | Merge from trunk. (diff) | |
| download | inkscape-2f5eb047d9e05be5e68549ef6b75070d2faa7d2f.tar.gz inkscape-2f5eb047d9e05be5e68549ef6b75070d2faa7d2f.zip | |
Merging from trunk
(bzr r6884)
Diffstat (limited to 'src/helper/geom.cpp')
| -rw-r--r-- | src/helper/geom.cpp | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/helper/geom.cpp b/src/helper/geom.cpp index caa169a27..84f967860 100644 --- a/src/helper/geom.cpp +++ b/src/helper/geom.cpp @@ -494,8 +494,32 @@ pathv_to_linear_and_cubic_beziers( Geom::PathVector const &pathv ) return output; } +namespace Geom { + +bool transform_equalp(Geom::Matrix const &m0, Geom::Matrix const &m1, Geom::Coord const epsilon) { + return + NR_DF_TEST_CLOSE(m0[0], m1[0], epsilon) && + NR_DF_TEST_CLOSE(m0[1], m1[1], epsilon) && + NR_DF_TEST_CLOSE(m0[2], m1[2], epsilon) && + NR_DF_TEST_CLOSE(m0[3], m1[3], epsilon); +} + + +bool translate_equalp(Geom::Matrix const &m0, Geom::Matrix const &m1, Geom::Coord const epsilon) { + return NR_DF_TEST_CLOSE(m0[4], m1[4], epsilon) && NR_DF_TEST_CLOSE(m0[5], m1[5], epsilon); +} +bool matrix_equalp(Geom::Matrix const &m0, Geom::Matrix const &m1, Geom::Coord const epsilon) { + return transform_equalp(m0, m1, epsilon) && translate_equalp(m0, m1, epsilon); +} + +} //end namespace Geom +/* +The following predefined objects are for reference +and comparison. +*/ +Geom::Matrix GEOM_MATRIX_IDENTITY = Geom::identity(); /* Local Variables: |