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///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2012, Industrial Light & Magic, a division of Lucas
// Digital Ltd. LLC
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Industrial Light & Magic nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
///////////////////////////////////////////////////////////////////////////
#ifndef INCLUDED_IMAGE_VIEW_H
#define INCLUDED_IMAGE_VIEW_H
//----------------------------------------------------------------------------
//
// class ImageView -- draws an Imf::Rgba image in an OpenGl window
//
//----------------------------------------------------------------------------
#include "namespaceAlias.h"
#include "GlWindow3d.h"
#include <FL/Fl_Chart.H>
#include <FL/Fl_Gl_Window.H>
#include <FL/Fl_Box.H>
#include <ImfRgba.h>
#include <ImfArray.h>
class ImageView: public Fl_Gl_Window
{
public:
ImageView (int x, int y,
int w, int h, // display window width and height
const char label[],
const IMF::Rgba pixels[/* w*h */],
float* dataZ[/* w*h */],
unsigned int sampleCount[/* w*h */],
int zsize,
int dw, int dh, // data window width and height
int dx, int dy, // data window offset
Fl_Box *rgbaBox,
float farPlane, // zfar plane in Deep 3D window
float gamma,
float exposure,
float defog,
float kneeLow,
float kneeHigh);
virtual void setExposure (float exposure);
virtual void setDefog (float defog);
virtual void setKneeLow (float low);
virtual void setKneeHigh (float high);
virtual void setPixels(const IMF::Rgba pixels[],
float* dataZ[/* w*h */],
unsigned int sampleCount[/* w*h */],
int zsize,
int dw, int dh, int dx, int dy);
virtual void draw();
virtual int handle (int event);
void clearDataDisplay();
protected:
virtual void updateScreenPixels ();
void computeFogColor ();
void findZbound ();
float findKnee (float x, float y);
void drawChart (int x, int y, bool initChart);
void drawChartRef ();
float _gamma;
float _exposure;
float _defog;
float _kneeLow;
float _kneeHigh;
const IMF::Rgba * _rawPixels;
float** _dataZ;
unsigned int * _sampleCount;
float _fogR;
float _fogG;
float _fogB;
float _zmax;
float _zmin;
float _farPlane;
int _dw;
int _dh;
int _dx;
int _dy;
int _zsize;
unsigned int _maxCount;
private:
GlWindow* _gl3d;
Fl_Window * _chartwin;
Fl_Chart * _chart;
Fl_Chart * _chartMax;
Fl_Chart * _chartMin;
Fl_Box * _rgbaBox;
char _rgbaBoxLabel[200];
IMF::Array<unsigned char> _screenPixels;
};
#endif
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