diff options
Diffstat (limited to 'src/util/units.cpp')
| -rw-r--r-- | src/util/units.cpp | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/util/units.cpp b/src/util/units.cpp index 3d635e2d2..2c72ec3ae 100644 --- a/src/util/units.cpp +++ b/src/util/units.cpp @@ -16,11 +16,14 @@ #include <cmath> #include <cerrno> #include <iomanip> +#include <iostream> #include <glib.h> #include <glibmm/regex.h> #include <glibmm/fileutils.h> #include <glibmm/markup.h> +#include <2geom/coord.h> + #include "util/units.h" #include "path-prefix.h" #include "streq.h" @@ -44,6 +47,7 @@ enum UnitCode { UNIT_CODE_CM = MAKE_UNIT_CODE('c','m'), UNIT_CODE_IN = MAKE_UNIT_CODE('i','n'), UNIT_CODE_FT = MAKE_UNIT_CODE('f','t'), + UNIT_CODE_MT = MAKE_UNIT_CODE('m',' '), UNIT_CODE_EM = MAKE_UNIT_CODE('e','m'), UNIT_CODE_EX = MAKE_UNIT_CODE('e','x'), UNIT_CODE_PERCENT = MAKE_UNIT_CODE('%',0) @@ -71,6 +75,7 @@ unsigned const svg_length_lookup[] = { UNIT_CODE_CM, UNIT_CODE_IN, UNIT_CODE_FT, + UNIT_CODE_MT, UNIT_CODE_EM, UNIT_CODE_EX, UNIT_CODE_PERCENT @@ -279,6 +284,28 @@ Unit const *UnitTable::getUnit(SVGLength::Unit u) const return &_empty_unit; } +Unit const *UnitTable::findUnit(double factor, UnitType type) const +{ + const double eps = factor * 0.01; // allow for 1% deviation + + UnitCodeMap::const_iterator cit = _unit_map.begin(); + while (cit != _unit_map.end()) { + if (cit->second->type == type) { + if (Geom::are_near(cit->second->factor, factor, eps)) { + // unit found! + break; + } + } + ++cit; + } + + if (cit != _unit_map.end()) { + return cit->second; + } else { + return getUnit(_primary_unit[type]); + } +} + Quantity UnitTable::parseQuantity(Glib::ustring const &q) const { Glib::MatchInfo match_info; |