125 lines
4.0 KiB
C++
Executable File
125 lines
4.0 KiB
C++
Executable File
//
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// Filename : AdvancedFunctions0D.h
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// Author(s) : Stephane Grabli
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// Purpose : Functions related to context queries
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// Date of creation : 20/12/2003
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//
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///////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) : Please refer to the COPYRIGHT file distributed
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// with this source distribution.
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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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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//
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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//
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///////////////////////////////////////////////////////////////////////////////
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#ifndef CONTEXT_FUNCTIONS_HPP
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# define CONTEXT_FUNCTIONS_HPP
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# include "Canvas.h"
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# include "../image/Image.h"
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# include "../image/GaussianFilter.h"
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/*! \file ContextFunctions.h
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* Interface to access the context related
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* information.
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*/
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//
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// Context Functions definitions
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//
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///////////////////////////////////////////////////////////
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/*! namespace containing all the Context related functions */
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namespace ContextFunctions {
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// GetTimeStamp
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LIB_STROKE_EXPORT
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/*! Returns the system time stamp */
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unsigned GetTimeStampCF();
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// GetCanvasWidth
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/*! Returns the canvas width */
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LIB_STROKE_EXPORT
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unsigned GetCanvasWidthCF();
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// GetCanvasHeight
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/*! Returns the canvas width */
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LIB_STROKE_EXPORT
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unsigned GetCanvasHeightCF();
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// Load map
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/*! Loads an image map for further reading */
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LIB_STROKE_EXPORT
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void LoadMapCF(const char *iFileName, const char *iMapName, unsigned iNbLevels=4, float iSigma=1.f);
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// ReadMapPixel
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/*! Reads a pixel in a user-defined map
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* \return the floating value stored for that pixel
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* \param iMapName
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* The name of the map
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* \param level
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* The level of the pyramid in which we wish to read the pixel
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* \param x
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* The x-coordinate of the pixel we wish to read. The origin is
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* in the lower-left corner.
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* \param y
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* The y-coordinate of the pixel we wish to read. The origin is
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* in the lower-left corner.
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*/
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LIB_STROKE_EXPORT
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float ReadMapPixelCF(const char *iMapName, int level, unsigned x, unsigned y);
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// ReadCompleteViewMapPixel
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/*! Reads a pixel in the complete view map
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* \return the floating value stored for that pixel
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* \param level
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* The level of the pyramid in which we wish to read the pixel
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* \param x
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* The x-coordinate of the pixel we wish to read. The origin is
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* in the lower-left corner.
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* \param y
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* The y-coordinate of the pixel we wish to read. The origin is
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* in the lower-left corner.
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*/
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LIB_STROKE_EXPORT
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float ReadCompleteViewMapPixelCF(int level, unsigned x, unsigned y);
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// ReadOrientedViewMapPixel
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/*! Reads a pixel in one of the oriented view map images
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* \return the floating value stored for that pixel
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* \param iOrientation
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* The number telling which orientation we want to check
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* \param level
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* The level of the pyramid in which we wish to read the pixel
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* \param x
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* The x-coordinate of the pixel we wish to read. The origin is
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* in the lower-left corner.
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* \param y
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* The y-coordinate of the pixel we wish to read. The origin is
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* in the lower-left corner.
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*/
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LIB_STROKE_EXPORT
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float ReadDirectionalViewMapPixelCF(int iOrientation, int level, unsigned x, unsigned y);
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// DEBUG
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LIB_STROKE_EXPORT
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FEdge * GetSelectedFEdgeCF();
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} // end of namespace ContextFunctions
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#endif // CONTEXT_FUNCTIONS_HPP
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