pcxheader.hpp

#ifndef PASTELSYS_PCXHEADER_HPP
#define PASTELSYS_PCXHEADER_HPP

#include "pastel/gfx/image_file/pcx/pcxheader.h"
#include "pastel/sys/endian.h"

namespace Pastel
{

    inline PcxHeader::PcxHeader()
        : manufacturer_(0)
        , version_(0)
        , encoding_(0)
        , bitsPerPixel_(0)
        , leftMargin_(0)
        , upperMargin_(0)
        , rightMargin_(0)
        , lowerMargin_(0)
        , horizontalDpi_(0)
        , verticalDpi_(0)
        , palette16_()
        , reserved1_(0)
        , colorPlanes_(0)
        , bytesPerScanlinePerPlane_(0)
        , paletteInfo_(0)
        , hss_(0)
        , vss_(0)
        , reserved2_()
    {
        for (integer i = 0;i < Palette16Size;++i)
        {
            palette16_[i] = 0;
        }
        for (integer i = 0;i < Reserved2Size;++i)
        {
            reserved2_[i] = 0;
        }
    }

    inline void PcxHeader::read(BinaryFile& input)
    {
        input << binaryLittleEndian;

        input
            >> manufacturer_
            >> version_
            >> encoding_
            >> bitsPerPixel_
            >> leftMargin_
            >> upperMargin_
            >> rightMargin_
            >> lowerMargin_
            >> horizontalDpi_
            >> verticalDpi_;

        input.read((int8*)palette16_, Palette16Size);

        input
            >> reserved1_
            >> colorPlanes_
            >> bytesPerScanlinePerPlane_
            >> paletteInfo_
            >> hss_
            >> vss_;

        input.read((int8*)reserved2_, Reserved2Size);
    }

    inline void PcxHeader::write(BinaryFile& output)
    {
        output << binaryLittleEndian
            << manufacturer_
            << version_
            << encoding_
            << bitsPerPixel_
            << leftMargin_
            << upperMargin_
            << rightMargin_
            << lowerMargin_
            << horizontalDpi_
            << verticalDpi_;

        output.write((int8*)palette16_, Palette16Size);

        output
            << reserved1_
            << colorPlanes_
            << bytesPerScanlinePerPlane_
            << paletteInfo_
            << hss_
            << vss_;

        output.write((int8*)reserved2_, Reserved2Size);
    }

    inline integer PcxHeader::width() const
    {
        return (integer)((rightMargin_ - leftMargin_) + 1);
    }

    inline integer PcxHeader::height() const
    {
        return (integer)((lowerMargin_ - upperMargin_) + 1);
    }

}

#endif