163 lines
3.3 KiB
C++
163 lines
3.3 KiB
C++
// Copyright (C) 2002-2012 Nikolaus Gebhardt
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#include "CImageWriterPCX.h"
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#ifdef _IRR_COMPILE_WITH_PCX_WRITER_
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#include "CImageLoaderPCX.h"
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#include "IWriteFile.h"
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#include "os.h" // for logging
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#include "irrString.h"
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namespace irr
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{
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namespace video
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{
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IImageWriter* createImageWriterPCX()
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{
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return new CImageWriterPCX;
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}
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CImageWriterPCX::CImageWriterPCX()
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{
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#ifdef _DEBUG
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setDebugName("CImageWriterPCX");
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#endif
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}
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bool CImageWriterPCX::isAWriteableFileExtension(const io::path& filename) const
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{
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return core::hasFileExtension ( filename, "pcx" );
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}
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bool CImageWriterPCX::writeImage(io::IWriteFile *file, IImage *image,u32 param) const
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{
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if (!file || !image)
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return false;
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u8 d1;
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u16 d2;
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u32 i;
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d1 = 10; // Manufacturer
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file->write(&d1, 1);
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d1 = 5; // Version
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file->write(&d1, 1);
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d1 = 1; // Encoding
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file->write(&d1, 1);
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d1 = 8; // Bits per Pixel
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file->write(&d1, 1);
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d2 = 0; // pixel origin
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file->write(&d2, 2);
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file->write(&d2, 2);
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d2 = image->getDimension().Width-1; // width
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#ifdef __BIG_ENDIAN__
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d2 = os::Byteswap::byteswap(d2);
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#endif
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file->write(&d2, 2);
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d2 = image->getDimension().Height-1; // height
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#ifdef __BIG_ENDIAN__
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d2 = os::Byteswap::byteswap(d2);
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#endif
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file->write(&d2, 2);
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d2 = 300; // dpi
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#ifdef __BIG_ENDIAN__
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d2 = os::Byteswap::byteswap(d2);
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#endif
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file->write(&d2, 2);
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file->write(&d2, 2);
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d2 = 0; // palette (not used)
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for (i=0; i<24; ++i)
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{
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file->write(&d2, 2);
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}
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d1 = 0; // reserved
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file->write(&d1, 1);
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d1 = 3; // planes
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file->write(&d1, 1);
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d2 = image->getDimension().Width; // pitch
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if (d2&0x0001) // must be even
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++d2;
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#ifdef __BIG_ENDIAN__
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d2 = os::Byteswap::byteswap(d2);
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#endif
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file->write(&d2, 2);
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d2 = 1; // color mode
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#ifdef __BIG_ENDIAN__
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d2 = os::Byteswap::byteswap(d2);
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#endif
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file->write(&d2, 2);
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d2 = 800; // screen width
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#ifdef __BIG_ENDIAN__
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d2 = os::Byteswap::byteswap(d2);
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#endif
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file->write(&d2, 2);
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d2 = 600; // screen height
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#ifdef __BIG_ENDIAN__
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d2 = os::Byteswap::byteswap(d2);
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#endif
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file->write(&d2, 2);
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d2 = 0; // filler (not used)
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for (i=0; i<27; ++i)
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{
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file->write(&d2, 2);
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}
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u8 cnt, value;
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for (i=0; i<image->getDimension().Height; ++i)
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{
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cnt = 0;
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value = 0;
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for (u32 j=0; j<3; ++j) // color planes
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{
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for (u32 k=0; k<image->getDimension().Width; ++k)
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{
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const SColor pix = image->getPixel(k,i);
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if ((cnt!=0) && (cnt<63) &&
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(((j==0) && (value==pix.getRed())) ||
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((j==1) && (value==pix.getGreen())) ||
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((j==2) && (value==pix.getBlue()))))
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{
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++cnt;
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}
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else
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{
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if (cnt!=0)
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{
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if ((cnt>1) || ((value&0xc0)==0xc0))
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{
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cnt |= 0xc0;
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file->write(&cnt, 1);
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}
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file->write(&value, 1);
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}
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cnt=1;
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if (j==0)
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value=(u8)pix.getRed();
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else if (j==1)
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value=(u8)pix.getGreen();
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else if (j==2)
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value=(u8)pix.getBlue();
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}
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}
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}
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if ((cnt>1) || ((value&0xc0)==0xc0))
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{
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cnt |= 0xc0;
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file->write(&cnt, 1);
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}
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file->write(&value, 1);
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}
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return true;
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}
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} // namespace video
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} // namespace irr
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#endif
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