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/*
* $Id: transferRGBBox.hxx,v 4.0 2003/04/28 14:40:15 hut66au Exp $
*
* Imview, the portable image analysis application
* http://www.cmis.csiro.au/Hugues.Talbot/imview
* ----------------------------------------------------------
*
* Imview is an attempt to provide an image display application
* suitable for professional image analysis. It was started in
* 1997 and is mostly the result of the efforts of Hugues Talbot,
* Image Analysis Project, CSIRO Mathematical and Information
* Sciences, with help from others (see the CREDITS files for
* more information)
*
* Imview is Copyrighted (C) 1997-2001 by Hugues Talbot and was
* supported in parts by the Australian Commonwealth Science and
* Industry Research Organisation. Please see the COPYRIGHT file
* for full details. Imview also includes the contributions of
* many others. Please see the CREDITS file for full details.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
* */
/*------------------------------------------------------------------------
*
* A subclass of Box which is used for brightness/contrast/etc.
* This is a superclass for the actually interesting ones.
*
*
* Hugues Talbot 3 May 1998
*
*-----------------------------------------------------------------------*/
#ifndef RGBTRANSFERBOX_H
#define RGBTRANSFERBOX_H
#include <FL/Fl.H>
#include <FL/Fl_Box.H>
#include <FL/fl_draw.H>
#include "imview.hxx"
class myTransferRGBBox : public Fl_Box {
private:
bool hasReleaseOccured;
unsigned char RGBmap[3][256];
virtual void trueRedrawHook() { } // called when the main window is also redrawn
void findRGBExtremes(double x0[3], double y0[3], double x1[3], double y1[3],
double startX[3], double startY[3],
double endX[3], double endY[3]);
double currContrast[3];
double currBrightness[3];
double currGamma[3];
double gammas[3], leftX[3], leftY[3], rightX[3], rightY[3];
protected:
void draw(); // I'm expecting to have to subclass this
void computeRGBEndPoints(double x0[3], double y0[3], double x1[3], double y1[3]);
void buildRGBFunction(double x0[3], double y0[3], double x1[3], double y13[3]);
public:
myTransferRGBBox(int x, int y, int w, int h, const char *l=0)
: Fl_Box(x,y,w,h,l) { hasReleaseOccured = false; }
myTransferRGBBox(uchar b, int x, int y, int w, int h, const char *l)
: Fl_Box(x,y,w,h,l) { hasReleaseOccured = false; }
~myTransferRGBBox();
// standard resize
virtual void resize(int x,int y,int w, int h) {
dbgprintf("TransferRGBBox %p: resized to (%dx%d+%d+%d)\n",
this,w,h,x,y);
Fl_Box::resize(x,y,w,h);
}
void setRGBParms(double contrast[3], double bright[3], double gamma[3]);
void getRGBParms(double &RC, double &RB, double &RG,
double &GC, double &GB, double &GG,
double &BC, double &BB, double &BG) {
RC = currContrast[0]; RB = currBrightness[0] ; RG = currGamma[0];
GC = currContrast[1]; GB = currBrightness[1] ; GG = currGamma[1];
BC = currContrast[2]; BB = currBrightness[2] ; BG = currGamma[2];
}
void causeMainWindowRedraw();
void forceBuildMap() {
double x0[3], y0[3], x1[3], y1[3];
x0[0] = y0[0] = x1[0] = y1[0] = 0.0;
x0[1] = y0[1] = x1[1] = y1[1] = 0.0;
x0[2] = y0[2] = x1[2] = y1[2] = 0.0;
computeRGBEndPoints(x0, y0, x1, y1);
buildRGBFunction(x0, y0, x1, y1);
}
void setRelease(bool s) { hasReleaseOccured = s;}
// gammas
double getCurrGamma(int i) {return currGamma[i];}
//
double getCurrBrightness(int i) {return currBrightness[i];}
//
double getCurrRContrast(int i) {return currContrast[i];}
};
#endif // RGBTRANSFERBOX_H
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