void generateRepresentation(ConvertOrientations* filter, typename DataArray<T>::Pointer inputOrientations, typename DataArray<T>::Pointer outputOrientations) { typedef typename DataArray<T>::Pointer ArrayType; typedef OrientationConverter<T> OCType; QVector<typename OCType::Pointer> converters(7); converters[0] = EulerConverter<T>::New(); converters[1] = OrientationMatrixConverter<T>::New(); converters[2] = QuaternionConverter<T>::New(); converters[3] = AxisAngleConverter<T>::New(); converters[4] = RodriguesConverter<T>::New(); converters[5] = HomochoricConverter<T>::New(); converters[6] = CubochoricConverter<T>::New(); QVector<typename OCType::OrientationType> ocTypes = OCType::GetOrientationTypes(); converters[filter->getInputType()]->setInputData(inputOrientations); converters[filter->getInputType()]->convertRepresentationTo(ocTypes[filter->getOutputType()]); ArrayType output = converters[filter->getInputType()]->getOutputData(); if(NULL == output.get()) { QString ss = QObject::tr("There was an error converting the input data using convertor %1").arg(converters[filter->getInputType()]->getNameOfClass()); filter->setErrorCondition(-1004); filter->notifyErrorMessage(filter->getHumanLabel(), ss, filter->getErrorCondition()); return; } if(!output->copyIntoArray(outputOrientations) ) { QString ss = QObject::tr("There was an error copying the final results into the output array."); filter->setErrorCondition(-1003); filter->notifyErrorMessage(filter->getHumanLabel(), ss, filter->getErrorCondition()); } }
Symbol* Converter::primitive_convert(STATE, Object* source, String* target, Fixnum* offset, Fixnum* size, Fixnum* options) { String* src = 0; if(!source->nil_p()) { if(!(src = try_as<String>(source))) { return force_as<Symbol>(Primitives::failure()); } } OnStack<3> os(state, source, src, target); const unsigned char* source_ptr = 0; const unsigned char* source_end = 0; native_int byte_offset = offset->to_native(); native_int byte_size = size->to_native(); retry: if(!converter_) { size_t num_converters = converters()->size(); converter_ = rb_econv_alloc(num_converters); for(size_t i = 0; i < num_converters; i++) { Transcoding* transcoding = as<Transcoding>(converters()->get(state, i)); rb_transcoder* tr = transcoding->get_transcoder(); if(rb_econv_add_transcoder_at(converter_, tr, i) == -1) { rb_econv_free(converter_); converter_ = NULL; return force_as<Symbol>(Primitives::failure()); } } } /* It would be nice to have a heuristic that avoids having to reconvert * after growing the destination buffer. This is complicated, however, as * a converter may contain more than one transcoder. So, the heuristic * would need to be transitive. This requires getting the encoding objects * for every stage of the converter to check the min/max byte values. */ if(byte_size == -1) { byte_size = src ? src->byte_size() : 4096; } int flags = converter_->flags = options->to_native(); if(!replacement()->nil_p()) { native_int byte_size = replacement()->byte_size(); char* buf = (char*)XMALLOC(byte_size + 1); strncpy(buf, replacement()->c_str(state), byte_size + 1); converter_->replacement_str = (const unsigned char*)buf; converter_->replacement_len = replacement()->byte_size(); String* name = replacement()->encoding()->name(); byte_size = name->byte_size(); buf = (char*)XMALLOC(byte_size + 1); strncpy(buf, name->c_str(state), byte_size + 1); converter_->replacement_enc = (const char*)buf; converter_->replacement_allocated = 1; size_t num_converters = replacement_converters()->size(); rb_econv_alloc_replacement_converters(converter_, num_converters / 2); for(size_t i = 0, k = 0; i < num_converters; k++, i += 2) { rb_econv_replacement_converters* repl_converter; repl_converter = converter_->replacement_converters + k; name = as<String>(replacement_converters()->get(state, i)); byte_size = name->byte_size(); buf = (char*)XMALLOC(byte_size + 1); strncpy(buf, name->c_str(state), byte_size + 1); repl_converter->destination_encoding_name = (const char*)buf; Array* trs = as<Array>(replacement_converters()->get(state, i + 1)); size_t num_transcoders = trs->size(); repl_converter->num_transcoders = num_transcoders; repl_converter->transcoders = ALLOC_N(rb_transcoder*, num_transcoders); for(size_t j = 0; j < num_transcoders; j++) { Transcoding* transcoding = as<Transcoding>(trs->get(state, j)); rb_transcoder* tr = transcoding->get_transcoder(); repl_converter->transcoders[j] = tr; } } }
Symbol* Converter::primitive_convert(STATE, Object* source, String* target, Fixnum* offset, Fixnum* size, Fixnum* options) { String* src = 0; if(!source->nil_p()) { if(!(src = try_as<String>(source))) { return force_as<Symbol>(Primitives::failure()); } } if(!converter_) { size_t num_converters = converters()->size(); converter_ = rb_econv_alloc(num_converters); for(size_t i = 0; i < num_converters; i++) { Transcoding* transcoding = as<Transcoding>(converters()->get(state, i)); rb_transcoder* tr = transcoding->get_transcoder(); if(rb_econv_add_transcoder_at(converter_, tr, i) == -1) { rb_econv_free(converter_); converter_ = NULL; return force_as<Symbol>(Primitives::failure()); } } } if(!replacement()->nil_p()) { native_int byte_size = replacement()->byte_size(); char* buf = (char*)XMALLOC(byte_size + 1); strncpy(buf, replacement()->c_str(state), byte_size + 1); converter_->replacement_str = (const unsigned char*)buf; converter_->replacement_len = replacement()->byte_size(); String* name = replacement()->encoding()->name(); byte_size = name->byte_size(); buf = (char*)XMALLOC(byte_size + 1); strncpy(buf, name->c_str(state), byte_size + 1); converter_->replacement_enc = (const char*)buf; converter_->replacement_allocated = 1; size_t num_converters = replacement_converters()->size(); rb_econv_alloc_replacement_converters(converter_, num_converters / 2); for(size_t i = 0, k = 0; i < num_converters; k++, i += 2) { rb_econv_replacement_converters* repl_converter; repl_converter = converter_->replacement_converters + k; name = as<String>(replacement_converters()->get(state, i)); byte_size = name->byte_size(); buf = (char*)XMALLOC(byte_size + 1); strncpy(buf, name->c_str(state), byte_size + 1); repl_converter->destination_encoding_name = (const char*)buf; Array* trs = as<Array>(replacement_converters()->get(state, i + 1)); size_t num_transcoders = trs->size(); repl_converter->num_transcoders = num_transcoders; repl_converter->transcoders = ALLOC_N(rb_transcoder*, num_transcoders); for(size_t j = 0; j < num_transcoders; j++) { Transcoding* transcoding = as<Transcoding>(trs->get(state, j)); rb_transcoder* tr = transcoding->get_transcoder(); repl_converter->transcoders[j] = tr; } } }