/[svn]/libgig/trunk/src/gig.cpp
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revision 2609 by schoenebeck, Sun Jun 8 19:00:30 2014 UTC revision 2639 by schoenebeck, Mon Jun 16 13:22:50 2014 UTC
# Line 3652  namespace { Line 3652  namespace {
3652          UpdateVelocityTable();          UpdateVelocityTable();
3653      }      }
3654    
3655        /** @brief Change type of an existing dimension.
3656         *
3657         * Alters the dimension type of a dimension already existing on this
3658         * region. If there is currently no dimension on this Region with type
3659         * @a oldType, then this call with throw an Exception. Likewise there are
3660         * cases where the requested dimension type cannot be performed. For example
3661         * if the new dimension type shall be gig::dimension_samplechannel, and the
3662         * current dimension has more than 2 zones. In such cases an Exception is
3663         * thrown as well.
3664         *
3665         * @param oldType - identifies the existing dimension to be changed
3666         * @param newType - to which dimension type it should be changed to
3667         * @throws gig::Exception if requested change cannot be performed
3668         */
3669        void Region::SetDimensionType(dimension_t oldType, dimension_t newType) {
3670            if (oldType == newType) return;
3671            dimension_def_t* def = GetDimensionDefinition(oldType);
3672            if (!def)
3673                throw gig::Exception("No dimension with provided old dimension type exists on this region");
3674            if (newType == dimension_samplechannel && def->zones != 2)
3675                throw gig::Exception("Cannot change to dimension type 'sample channel', because existing dimension does not have 2 zones");
3676            def->split_type = __resolveSplitType(newType);
3677        }
3678    
3679      DimensionRegion* Region::GetDimensionRegionByBit(const std::map<dimension_t,int>& DimCase) {      DimensionRegion* Region::GetDimensionRegionByBit(const std::map<dimension_t,int>& DimCase) {
3680          uint8_t bits[8] = {};          uint8_t bits[8] = {};
3681          for (std::map<dimension_t,int>::const_iterator it = DimCase.begin();          for (std::map<dimension_t,int>::const_iterator it = DimCase.begin();

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