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https://port.numenaute.org/aleajactaest/khanat-opennel-code.git
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301 lines
6.8 KiB
C++
301 lines
6.8 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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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 Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// 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 Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include <iostream>
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#include "nel/misc/file.h"
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#include "nel/misc/bitmap.h"
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#include "nel/misc/file.h"
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#include "nel/misc/debug.h"
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#include <math.h>
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using namespace NLMISC;
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using namespace std;
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#define TGA16 16
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#define NOT_DEFINED 0xff
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const int CutSize = 160;
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const int SaveSize = 256;
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void writeInstructions();
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int main(int argc, char **argv);
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// ***************************************************************************
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bool getZoneNameFromXY (sint32 x, sint32 y, std::string &zoneName)
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{
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if ((y>0) || (y<-255) || (x<0) || (x>255))
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return false;
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zoneName = toString(-y) + "_";
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zoneName += ('A' + (x/26));
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zoneName += ('A' + (x%26));
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return true;
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}
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void writeInstructions()
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{
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cout<<endl;
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cout<<"tga_cut"<<endl;
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cout<<" Cut TGA image file (24bits or 32 bits) into smaller TGA"<<endl;
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cout<<"syntax : tga_cut <input.tga>"<<endl;
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cout<<endl;
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cout<<"/? for this help"<<endl;
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cout<<endl;
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}
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// ***************************************************************************
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void dividSize (CBitmap &bitmap)
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{
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// Must be RGBA
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nlassert (bitmap.getPixelFormat () == CBitmap::RGBA);
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// Copy the bitmap
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CBitmap temp = bitmap;
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// Resize the destination
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const uint width = temp.getWidth ();
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const uint height = temp.getHeight ();
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const uint newWidth = temp.getWidth ()/2;
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const uint newHeight = temp.getHeight ()/2;
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bitmap.resize (newWidth, newHeight, CBitmap::RGBA);
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// Pointers
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uint8 *pixelSrc = &(temp.getPixels ()[0]);
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uint8 *pixelDest = &(bitmap.getPixels ()[0]);
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// Resample
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uint x, y;
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for (y=0; y<newHeight; y++)
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for (x=0; x<newWidth; x++)
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{
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const uint offsetSrc = ((y*2)*width+x*2)*4;
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const uint offsetDest = (y*newWidth+x)*4;
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uint i;
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for (i=0; i<4; i++)
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{
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pixelDest[offsetDest+i] = ((uint)pixelSrc[offsetSrc+i] + (uint)pixelSrc[offsetSrc+4+i] +
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(uint)pixelSrc[offsetSrc+4*width+i] + (uint)pixelSrc[offsetSrc+4*width+4+i])>>2;
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}
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}
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}
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// ***************************************************************************
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int main(int argc, char **argv)
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{
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// Parse Command Line.
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//====================
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if(argc<2)
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{
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writeInstructions();
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return 0;
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}
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if(!strcmp(argv[1],"/?"))
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{
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writeInstructions();
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return 0;
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}
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if(!strcmp(argv[1],"-?"))
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{
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writeInstructions();
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return 0;
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}
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if(argc != 2)
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{
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writeInstructions();
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return 0;
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}
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// Reading TGA and converting to RGBA
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//====================================
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CBitmap picTga;
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CBitmap picSrc;
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std::string inputFileName(argv[1]);
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NLMISC::CIFile input;
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if(!input.open(inputFileName))
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{
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cerr<<"Can't open input file "<<inputFileName<<endl;
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exit(1);
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}
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uint8 imageDepth = picTga.load(input);
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if(imageDepth==0)
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{
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cerr<<"Can't load file : "<<inputFileName<<endl;
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exit(1);
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}
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if(imageDepth!=16 && imageDepth!=24 && imageDepth!=32 && imageDepth!=8)
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{
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cerr<<"Image not supported : "<<imageDepth<<endl;
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exit(1);
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}
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if(!input.seek (0, NLMISC::IStream::begin))
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{
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cerr << "Seek to beginning failed"<<endl;
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exit(1);
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}
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// Reading header,
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// To make sure that the bitmap is TGA, we check imageType and imageDepth.
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uint8 lengthID;
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uint8 cMapType;
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uint8 imageType;
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uint16 tgaOrigin;
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uint16 length;
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uint8 depth;
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uint16 xOrg;
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uint16 yOrg;
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uint16 width2;
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uint16 height2;
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uint8 imageDepth2;
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uint8 desc;
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input.serial(lengthID);
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input.serial(cMapType);
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input.serial(imageType);
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input.serial(tgaOrigin);
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input.serial(length);
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input.serial(depth);
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input.serial(xOrg);
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input.serial(yOrg);
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input.serial(width2);
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input.serial(height2);
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input.serial(imageDepth2);
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input.serial(desc);
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input.close();
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sint32 height = picTga.getHeight();
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sint32 width= picTga.getWidth();
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picTga.convertToType (CBitmap::RGBA);
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// Vectors for RGBA data
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CObjectVector<uint8> RGBASrc = picTga.getPixels();
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CObjectVector<uint8> RGBASrc2;
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CObjectVector<uint8> RGBADest;
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RGBADest.resize(SaveSize*SaveSize*4);
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uint dstRGBADestId= 0;
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// Copy to the dest bitmap.
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picSrc.resize(SaveSize, SaveSize, CBitmap::RGBA);
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picSrc.getPixels(0) = RGBADest;
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// Must be RGBA
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nlassert (picSrc.getPixelFormat () == CBitmap::RGBA);
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// Pointers
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uint8 *pixelSrc = &(picTga.getPixels ()[0]);
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uint8 *pixelDest = &(picSrc.getPixels ()[0]);
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// clear the whole texture
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for (sint y = 0;y < SaveSize;++y)
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{
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for (sint x = 0;x < SaveSize;++x)
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{
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pixelDest[(y*SaveSize+x)*4]=-1;
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pixelDest[(y*SaveSize+x)*4+1]=-1;
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pixelDest[(y*SaveSize+x)*4+2]=-1;
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pixelDest[(y*SaveSize+x)*4+3]=-1;
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}
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}
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// Resample
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sint xzone, yzone;
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for (yzone = int(yOrg/CutSize)*CutSize; yzone < yOrg+height; yzone += CutSize)
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{
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for (xzone = int(xOrg/CutSize)*CutSize; xzone < xOrg+width; xzone += CutSize)
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{
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sint x, y;
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for (y=0; y<CutSize; y++)
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{
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for (x=0; x<CutSize; x++)
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{
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const uint offsetDest = (y*SaveSize+x)*4;
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uint i;
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if (x+xzone-xOrg>= width || y+yzone-yOrg>=height || x+xzone-xOrg<0 || y+yzone-yOrg<0)
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{
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// black outside the bitmap
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for (i=0; i<4; i++)
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{
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pixelDest[offsetDest+i] = 0;
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}
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}
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else
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{
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const uint offsetSrc = ((y+yzone-yOrg)*width+x+xzone-xOrg)*4;
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for (i=0; i<4; i++)
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{
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pixelDest[offsetDest+i] = pixelSrc[offsetSrc+i];
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}
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}
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}
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}
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#if 0
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// if we don't want to save the empty pictures (useless now)
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int empty = 1;
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for (y = 0;y < CutSize;++y)
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{
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for (x=0;x<CutSize;++x)
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{
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// test if pixel is black (RGB==0)
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int offset = (y*SaveSize+x)*4;
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if (pixelDest[offset] || pixelDest[offset+1] || pixelDest[offset+2])
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{
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empty = 0;
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break;
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}
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}
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}
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if (empty) continue;
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#endif
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// if the picture is empty, we don't save it !!!
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NLMISC::COFile output;
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string ZoneName;
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if (!getZoneNameFromXY(xzone/CutSize, -(yzone/CutSize+1), ZoneName))
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{
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cerr<<"Too large image"<<endl;
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exit(1);
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}
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ZoneName += ".tga";
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if(!output.open(ZoneName))
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{
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cerr<<"Can't open output file "<<ZoneName<<endl;
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exit(1);
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}
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cout<<"Saving "<<ZoneName<<endl;
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// Saving TGA file
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try
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{
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picSrc.writeTGA (output, 16);
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}
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catch(const NLMISC::EWriteError &e)
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{
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cerr<<e.what()<<endl;
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exit(1);
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}
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output.close();
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}
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}
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}
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