forked from Mirrors/openclonk
106 lines
2.5 KiB
C++
106 lines
2.5 KiB
C++
/*
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* OpenClonk, http://www.openclonk.org
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*
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* Copyright (c) 1998-2000 Matthes Bender
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* Copyright (c) 2002 Sven Eberhardt
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* Copyright (c) 2001-2009, RedWolf Design GmbH, http://www.clonk.de
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*
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* Portions might be copyrighted by other authors who have contributed
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* to OpenClonk.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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* See isc_license.txt for full license and disclaimer.
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*
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* "Clonk" is a registered trademark of Matthes Bender.
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* See clonk_trademark_license.txt for full license.
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*/
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/* A structure for handling 256-color bitmap files */
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#include "C4Include.h"
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#include <Bitmap256.h>
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C4BMPInfo::C4BMPInfo()
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{
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Default();
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}
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void C4BMPInfo::Default()
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{
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ZeroMem(this,sizeof(C4BMPInfo));
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}
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int C4BMPInfo::FileBitsOffset()
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{
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return Head.bfOffBits-sizeof(C4BMPInfo);
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}
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void C4BMPInfo::Set(int iWdt, int iHgt, int iBitDepth)
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{
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Default();
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// Set header
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Head.bfType=*((WORD*)"BM");
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Head.bfSize=sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER)+DWordAligned(iWdt)*iHgt;
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Head.bfOffBits=sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER);
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// Set bitmap info
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Info.biSize=sizeof(BITMAPINFOHEADER);
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Info.biWidth=iWdt;
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Info.biHeight=iHgt;
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Info.biPlanes=1;
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Info.biBitCount=iBitDepth;
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Info.biCompression=0;
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Info.biSizeImage=iWdt*iHgt;
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Info.biClrUsed=Info.biClrImportant=0;
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}
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C4BMP256Info::C4BMP256Info()
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{
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Default();
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}
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bool C4BMP256Info::Valid()
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{
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if (Head.bfType != *((WORD*)"BM") ) return false;
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if ((Info.biBitCount!=8) || (Info.biCompression!=0)) return false;
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return true;
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}
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int C4BMP256Info::FileBitsOffset()
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{
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return Head.bfOffBits-sizeof(C4BMP256Info);
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}
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void C4BMP256Info::Set(int iWdt, int iHgt, BYTE *bypPalette)
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{
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Default();
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// Set header
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Head.bfType=*((WORD*)"BM");
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Head.bfSize=sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER)+256*sizeof(RGBQUAD)+DWordAligned(iWdt)*iHgt;
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Head.bfOffBits=sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER)+256*sizeof(RGBQUAD);
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// Set bitmap info
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Info.biSize=sizeof(BITMAPINFOHEADER);
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Info.biWidth=iWdt;
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Info.biHeight=iHgt;
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Info.biPlanes=1;
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Info.biBitCount=8;
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Info.biCompression=0;
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Info.biSizeImage=iWdt*iHgt;
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Info.biClrUsed=Info.biClrImportant=256;
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// Set palette
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for (int cnt=0; cnt<256; cnt++)
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{
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Colors[cnt].rgbRed = bypPalette[cnt*3+0];
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Colors[cnt].rgbGreen = bypPalette[cnt*3+1];
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Colors[cnt].rgbBlue = bypPalette[cnt*3+2];
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}
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}
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void C4BMP256Info::Default()
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{
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ZeroMem(this,sizeof(C4BMP256Info));
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}
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