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/****************************************************************************
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** This file is part of the LibreCAD project, a 2D CAD program
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** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
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** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
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** This program 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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** This program 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 this program; if not, write to the Free Software
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** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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** This copyright notice MUST APPEAR in all copies of the script!
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**********************************************************************/
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#ifndef RS_FILTERINTERFACE_H
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#define RS_FILTERINTERFACE_H
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#include "rs_graphic.h"
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#include "rs_string.h"
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#include "rs_valuelist.h"
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* This is the interface that must be implemented for all
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* format filter classes. The RS_FileIO class
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* uses the methods defined in here to interact with the format
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* @author Andrew Mustun
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class RS_FilterInterface {
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RS_FilterInterface() {
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//std::cout << "RS_FilterInterface\n";
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virtual ~RS_FilterInterface() {}
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* Checks if this filter can import the given file type.
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* @retval true if the filter can import the file type
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* @retval false otherwise.
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virtual bool canImport(RS2::FormatType t) {
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return !(importFormats.find(t)==importFormats.end());
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* Checks if this filter can export the given file type.
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* @return true if the filter can export the file type,
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virtual bool canExport(RS2::FormatType t) {
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return !(exportFormats.find(t)==exportFormats.end());
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* The implementation of this method in a inherited format
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* class should read a file from disk and put the entities
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* into the current entity container.
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virtual bool fileImport(RS_Graphic& g, const RS_String& file, RS2::FormatType type) = 0;
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* The implementation of this method in a inherited format
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* class should write the entities in the current entity container
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* to a file on the disk.
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virtual bool fileExport(RS_Graphic& g, const RS_String& file, RS2::FormatType type) = 0;
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* Adds a file extension which can be imported by this filter.
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void addImportFormat(RS2::FormatType type) {
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RS_DEBUG->print("Filter can import %d", (int)type);
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importFormats += type;
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* Adds a file extension which can be exported by this filter.
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void addExportFormat(RS2::FormatType type) {
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RS_DEBUG->print("Filter can export %d", (int)type);
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exportFormats += type;
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//! Pointer to the graphic we currently operate on.
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//RS_Graphic* graphic;
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//! Vector of file extensions this filter can import.
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RS_ValueList<RS2::FormatType> importFormats;
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//! Vector of file extensions this filter can export.
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RS_ValueList<RS2::FormatType> exportFormats;
added
removed
src/lib/filters/rs_filterinterface.h
