mirror of
https://github.com/vcmi/vcmi.git
synced 2024-12-02 09:02:03 +02:00
b4070c6b3e
* Rewritten pregame * FNT fonts support * Several additions to GUI system. Changes are significant, some things may be broken.
373 lines
8.2 KiB
C++
373 lines
8.2 KiB
C++
#include "../stdafx.h"
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#include "SDL.h"
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#include "SDL_image.h"
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#include "CBitmapHandler.h"
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#include "../hch/CDefHandler.h"
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#include "../hch/CLodHandler.h"
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#include <sstream>
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#include <boost/thread.hpp>
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/*
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* CBitmapHandler.cpp, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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boost::mutex bitmap_handler_mx;
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int readNormalNr (int pos, int bytCon, unsigned char * str);
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extern DLL_EXPORT CLodHandler *bitmaph;
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void BMPHeader::print(std::ostream & out)
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{
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CDefHandler::print(out,fullSize,4);
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CDefHandler::print(out,_h1,4);
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CDefHandler::print(out,_c1,4);
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CDefHandler::print(out,_c2,4);
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CDefHandler::print(out,x,4);
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CDefHandler::print(out,y,4);
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CDefHandler::print(out,_c3,2);
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CDefHandler::print(out,_c4,2);
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CDefHandler::print(out,_h2,4);
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CDefHandler::print(out,_h3,4);
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CDefHandler::print(out,dataSize1,4);
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CDefHandler::print(out,dataSize2,4);
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for (int i=0;i<8;i++)
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out << _c5[i];
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out.flush();
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}
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void CPCXConv::openPCX(char * PCX, int len)
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{
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pcxs=len;
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pcx=(unsigned char*)PCX;
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}
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void CPCXConv::fromFile(std::string path)
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{
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std::ifstream is;
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is.open(path.c_str(),std::ios::binary);
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is.seekg(0,std::ios::end); // to the end
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pcxs = is.tellg(); // read length
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is.seekg(0,std::ios::beg); // wracamy na poczatek
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pcx = new unsigned char[pcxs]; // allocate memory
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is.read((char*)pcx, pcxs); // read map file to buffer
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is.close();
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}
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void CPCXConv::saveBMP(std::string path)
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{
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std::ofstream os;
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os.open(path.c_str(), std::ios::binary);
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os.write((char*)bmp,bmps);
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os.close();
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}
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void CPCXConv::convert()
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{
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BMPHeader bh;
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BMPPalette pal[256];
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Epcxformat format;
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int fSize,y;//,i; //TODO use me 'i'
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bool check1, check2;
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unsigned char add;
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int it=0;
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std::ostringstream out;
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fSize = readNormalNr(it,4,pcx);it+=4;
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bh.x = readNormalNr(it,4,pcx);it+=4;
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bh.y = readNormalNr(it,4,pcx);it+=4;
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if (fSize==bh.x*bh.y*3)
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check1=true;
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else
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check1=false;
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if (fSize==bh.x*bh.y)
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check2=true;
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else
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check2=false;
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if (check1)
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format=PCX24B;
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else if (check2)
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format=PCX8B;
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else
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return;
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add = 4 - bh.x%4;
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if (add==4)
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add=0;
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bh._h3=bh.x*bh.y;
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if (format==PCX8B)
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{
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bh._c1=0x436;
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bh._c2=0x28;
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bh._c3=1;
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bh._c4=8;
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//bh.dataSize2=bh.dataSize1=maxx*maxy;
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bh.dataSize1=bh.x;
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bh.dataSize2=bh.y;
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bh.fullSize = bh.dataSize1+436;
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}
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else
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{
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bh._c1=0x36;
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bh._c2=0x28;
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bh._c3=1;
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bh._c4=0x18;
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//bh.dataSize2=bh.dataSize1=0xB12;
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bh.dataSize1=bh.x;
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bh.dataSize2=bh.y;
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bh.fullSize=(bh.x+add)*bh.y*3+36+18;
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bh._h3*=3;
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}
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if (format==PCX8B)
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{
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it = pcxs-256*3;
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for (int i=0;i<256;i++)
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{
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pal[i].R=pcx[it++];
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pal[i].G=pcx[it++];
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pal[i].B=pcx[it++];
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pal[i].F='\0';
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}
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}
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out<<"BM";
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bh.print(out);
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if (format==PCX8B)
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{
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for (int i=0;i<256;i++)
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{
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out<<pal[i].B;
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out<<pal[i].G;
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out<<pal[i].R;
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out<<pal[i].F;
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}
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for (y=bh.y;y>0;y--)
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{
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it=0xC+(y-1)*bh.x;
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for (int j=0;j<bh.x;j++)
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out<<pcx[it+j];
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if (add>0)
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{
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for (int j=0;j<add;j++)
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out<<'\0'; //bylo z buforu, ale onnie byl incjalizowany (?!)
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}
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}
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}
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else
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{
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for (y=bh.y; y>0; y--)
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{
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it=0xC+(y-1)*bh.x*3;
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for (int j=0;j<bh.x*3;j++)
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out<<pcx[it+j];
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if (add>0)
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{
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for (int j=0;j<add*3;j++)
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out<<'\0'; //bylo z buforu, ale onnie byl incjalizowany (?!)
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}
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}
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}
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std::string temp = out.str();
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bmp = new unsigned char[temp.length()];
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bmps=temp.length();
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for (size_t a=0;a<temp.length();++a)
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{
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bmp[a]=temp[a];
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}
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}
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SDL_Surface * CPCXConv::getSurface()
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{
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SDL_Surface * ret;
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int width = -1, height = -1;
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Epcxformat format;
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int fSize,y;//,i; //TODO use me 'i'
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bool check1, check2;
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unsigned char add;
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int it=0;
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fSize = readNormalNr(it,4,pcx);it+=4;
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width = readNormalNr(it,4,pcx);it+=4;
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height = readNormalNr(it,4,pcx);it+=4;
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if (fSize==width*height*3)
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check1=true;
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else
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check1=false;
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if (fSize==width*height)
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check2=true;
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else
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check2=false;
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if (check1)
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format=PCX24B;
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else if (check2)
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format=PCX8B;
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else
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return NULL;
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add = 4 - width%4;
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if (add==4)
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add=0;
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if (format==PCX8B)
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{
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ret = SDL_CreateRGBSurface(SDL_SWSURFACE, width+add, height, 8, 0, 0, 0, 0);
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}
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else
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{
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#if (SDL_BYTEORDER == SDL_BIG_ENDIAN)
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int bmask = 0xff0000;
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int gmask = 0x00ff00;
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int rmask = 0x0000ff;
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#else
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int bmask = 0x0000ff;
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int gmask = 0x00ff00;
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int rmask = 0xff0000;
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#endif
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ret = SDL_CreateRGBSurface(SDL_SWSURFACE, width+add, height, 24, rmask, gmask, bmask, 0);
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}
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if (format==PCX8B)
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{
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it = pcxs-256*3;
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for (int i=0;i<256;i++)
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{
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SDL_Color tp;
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#if (SDL_BYTEORDER == SDL_BIG_ENDIAN)
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tp.b = pcx[it++];
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tp.g = pcx[it++];
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tp.r = pcx[it++];
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#else
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tp.r = pcx[it++];
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tp.g = pcx[it++];
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tp.b = pcx[it++];
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#endif
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tp.unused = 0;
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*(ret->format->palette->colors+i) = tp;
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}
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for (y=height;y>0;y--)
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{
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it=0xC+(y-1)*width;
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for (int j=0;j<width;j++)
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{
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*((char*)ret->pixels + ret->pitch * (y-1) + ret->format->BytesPerPixel * j) = pcx[it+j];
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}
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if (add>0)
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{
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for (int j=0;j<add;j++)
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{
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*((char*)ret->pixels + ret->pitch * (y-1) + ret->format->BytesPerPixel * (j+width)) = 0;
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}
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}
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}
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}
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else
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{
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for (y=height; y>0; y--)
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{
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it=0xC+(y-1)*width*3;
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for (int j=0;j<width*3;j++)
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{
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*((char*)ret->pixels + ret->pitch * (y-1) + j) = pcx[it+j];
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}
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if (add>0)
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{
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for (int j=0;j<add*3;j++)
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{
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*((char*)ret->pixels + ret->pitch * (y-1) + (j+width*3)) = 0;
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}
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}
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}
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}
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return ret;
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}
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SDL_Surface * BitmapHandler::loadBitmap(std::string fname, bool setKey)
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{
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if(!fname.size())
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{
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tlog2 << "Call to loadBitmap with void fname!\n";
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return NULL;
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}
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unsigned char * pcx;
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std::transform(fname.begin(),fname.end(),fname.begin(),toupper);
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fname.replace(fname.find_first_of('.'),fname.find_first_of('.')+4,".PCX");
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Entry *e = bitmaph->entries.znajdz(fname);
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if(!e)
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{
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tlog2<<"File "<<fname<<" not found"<<std::endl;
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return NULL;
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}
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if(e->offset<0)
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{
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fname.replace(fname.find_first_of('.'),fname.find_first_of('.')+4,".BMP");
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fname = "Data/"+fname;
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FILE * f = fopen(fname.c_str(),"r");
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if(f)
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{
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fclose(f);
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return SDL_LoadBMP(fname.c_str());
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}
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else //file .bmp not present, check .pcx
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{
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char sign[3];
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fname.replace(fname.find_first_of('.'),fname.find_first_of('.')+4,".PCX");
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f = fopen(fname.c_str(),"r");
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if(!f)
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{
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tlog1 << "Cannot open " << fname << " - not present as bmp nor as pcx.\n";
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return NULL;
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}
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fread(sign,1,3,f);
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if(sign[0]=='B' && sign[1]=='M') //BMP named as PCX - people (eg. Kulex) sometimes use such files
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{
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fclose(f);
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return SDL_LoadBMP(fname.c_str());
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}
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else //PCX - but we don't know which
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{
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if((sign[0]==10) && (sign[1]<6) && (sign[2]==1)) //ZSoft PCX
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{
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fclose(f);
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return IMG_Load(fname.c_str());
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}
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else //H3-style PCX
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{
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CPCXConv cp;
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pcx = new unsigned char[e->realSize];
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memcpy(pcx,sign,3);
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int res = fread((char*)pcx+3, 1, e->realSize-3, f); //TODO use me
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fclose(f);
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cp.openPCX((char*)pcx,e->realSize);
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return cp.getSurface();
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}
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}
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}
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}
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bitmap_handler_mx.lock();
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fseek(bitmaph->FLOD, e->offset, 0);
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if (e->size==0) //file is not compressed
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{
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pcx = new unsigned char[e->realSize];
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fread((char*)pcx, 1, e->realSize, bitmaph->FLOD);
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bitmap_handler_mx.unlock();
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}
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else
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{
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unsigned char * pcd = new unsigned char[e->size];
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fread((char*)pcd, 1, e->size, bitmaph->FLOD);
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bitmap_handler_mx.unlock();
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int res=bitmaph->infs2(pcd,e->size,e->realSize,pcx);
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if(res!=0)
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{
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tlog2<<"an error "<<res<<" occurred while extracting file "<<fname<<std::endl;
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}
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delete [] pcd;
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}
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CPCXConv cp;
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cp.openPCX((char*)pcx,e->realSize);
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SDL_Surface * ret = cp.getSurface();
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if(ret->format->BytesPerPixel == 1 && setKey)
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{
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const SDL_Color &c = ret->format->palette->colors[0];
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SDL_SetColorKey(ret,SDL_SRCCOLORKEY,SDL_MapRGB(ret->format, c.r, c.g, c.b));
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}
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return ret;
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} |