89 lines
3.0 KiB
C++
89 lines
3.0 KiB
C++
/*
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----
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This file is part of SECONDO.
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Copyright (C) 2004, University in Hagen, Department of Computer Science,
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Database Systems for New Applications.
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SECONDO is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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SECONDO is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with SECONDO; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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----
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*/
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#ifndef RASTER2_DISPLAYSTYPE_H
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#define RASTER2_DISPLAYSTYPE_H
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#include "DisplayTTY.h"
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namespace raster2
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{
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/*
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1 Class ~DisplaySType~
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The class ~DisplaySType~ provides a display function that can be used by any
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type that is based on ~stype$<$T, Helper$>$~.
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*/
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class DisplaySType: public DisplayFunction
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{
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public:
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DisplaySType() {};
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virtual ~DisplaySType() {};
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virtual void Display(ListExpr type, ListExpr value) {
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if (nl->IsEqual(value, Symbol::UNDEFINED())) {
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return;
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}
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std::cout << "Origin: ("
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<< nl->RealValue(nl->First(nl->First(value)))
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<< ", " << nl->RealValue(nl->Second(nl->First(value)))
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<< ")\n";
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std::cout << "Length: "
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<< nl->RealValue(nl->Third(nl->First(value)))
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<< "\n";
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value = nl->Rest(value);
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int rows = nl->IntValue(nl->First(nl->First(value)));
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int cols = nl->IntValue(nl->Second(nl->First(value)));
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value = nl->Rest(value);
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std::cout << "Values: ";
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bool has_values = false;
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while (!nl->IsEmpty(value)) {
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ListExpr head = nl->First(value);
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value = nl->Rest(value);
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int row = nl->IntValue(nl->First(head));
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int col = nl->IntValue(nl->Second(head));
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ListExpr values = nl->Third(head);
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for (int r = 0; r < rows; ++r) {
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for (int c = 0; c < cols; ++c) {
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int p = 1 + Cardinal(r*rows+c);
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ListExpr element = nl->Nth(p,values);
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if (!nl->IsEqual(element,Symbol::UNDEFINED())) {
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has_values = true;
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std::cout << "\n (" << (row + r) << ", "
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<< (col + c) << "): "
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<< nl->ToString(element);
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}
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}
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}
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}
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if (!has_values) {
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std::cout << "none";
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}
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}
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};
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}
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#endif /* RASTER2_DISPLAYSTYPE_H */
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