2020-10-21 17:24:01 +02:00

118 lines
3.4 KiB
C++

/****************************************************************************
* MeshLab o o *
* An extendible mesh processor o o *
* _ O _ *
* Copyright(C) 2005, 2009 \/)\/ *
* Visual Computing Lab /\/| *
* ISTI - Italian National Research Council | *
* \ *
* All rights reserved. *
* *
* 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 (http://www.gnu.org/licenses/gpl.txt) *
* for more details. *
* *
****************************************************************************/
#ifndef __IO_FILL_AREA_INC_
#define __IO_FILL_AREA_INC_
#include <deque>
#include <algorithm>
#include <QtGui/QImage>
namespace ui
{
struct myGSImage
{
unsigned char* data;
size_t w, h;
myGSImage()
{
data = 0;
}
myGSImage(const myGSImage& image)
{
w = image.w;
h = image.h;
if (data)
delete [] data;
data = new unsigned char[w*h];
memcpy(data, image.data, w*h);
}
myGSImage & operator = (const myGSImage& image)
{
w = image.w;
h = image.h;
if (data)
delete [] data;
data = new unsigned char[w*h];
memcpy(data, image.data, w*h);
return *this;
}
myGSImage(size_t width, size_t height): w(width), h(height)
{
data = new unsigned char[width*height];
};
~myGSImage()
{
if (data)
delete [] data;
}
unsigned char get(size_t i, size_t j) const
{
return data[j*w + i];
}
void put(size_t i, size_t j, unsigned char a)
{
data[j*w + i] = a;
}
void fill(unsigned char a)
{
for (size_t i=0; i<w; ++i)
for (size_t j=0; j<h; ++j)
put(i,j,a);
}
};
class fillImage
{
public:
fillImage();
virtual ~fillImage();
void Compute(const QImage& input, int x, int y, int threshold_gradient,
int threshold_fixed, QImage& output);
protected:
bool ShouldWeCompute(int x, int y);
void ComputeGradient(const QImage&, myGSImage& output);
void DealWithPixel(const std::pair<int,int>&, QImage& output);
QImage input_, computed_;
myGSImage gradient_;
int threshold_gradient_, threshold_fixed_;
int W,H;
int xo, yo;
std::deque<std::pair<int,int> > pixels_to_do_;
};
}
#endif